RUNNING APROVE filename: ChenFlurMukhopadhyay-SAS2012-Ex2.01_true-termination.c.pass1.llvm Graph finished, checking consistency Graph finished, checked consistency, took 0.0s Cannot find out cpu time on external processes, falling back to wall time! Running Thread.stop() against 1599056956Exec. 71, RankingReductionPairProcessor[GenerateFollowingInequalities=False] Stack trace: java.util.AbstractMap.equals(AbstractMap.java:482) immutables.Immutable.ImmutableLinkedHashMap.equals(ImmutableLinkedHashMap.java:122) aprove.Framework.Algebra.Polynomials.IndefinitePart.equals(IndefinitePart.java:1177) java.util.HashMap.getNode(HashMap.java:572) java.util.LinkedHashMap.get(LinkedHashMap.java:440) immutables.Immutable.ImmutableLinkedHashMap.get(ImmutableLinkedHashMap.java:130) aprove.Framework.Algebra.Polynomials.SimplePolynomial.plus(SimplePolynomial.java:271) aprove.Framework.Algebra.Polynomials.VarPolynomial.plus(VarPolynomial.java:516) aprove.Framework.IntTRS.Ranking.PCS.eliminateVariable(PCS.java:147) aprove.Framework.IntTRS.Ranking.PCS.eliminateOtherVariables(PCS.java:85) aprove.Framework.IntTRS.Ranking.TransitionRelation.(TransitionRelation.java:113) aprove.Framework.IntTRS.Ranking.TransitionRelation.(TransitionRelation.java:73) aprove.Framework.IntTRS.Ranking.RuleToTransitionRelation.ruleToTransitionRelation(RuleToTransitionRelation.java:108) aprove.Framework.IntTRS.RankingRedPair.RankingRedPairWorker.translateRules(RankingRedPairWorker.java:239) aprove.Framework.IntTRS.RankingRedPair.RankingRedPairWorker.work(RankingRedPairWorker.java:182) aprove.Framework.IntTRS.RankingRedPair.RankingRedPairProcessor.process(RankingRedPairProcessor.java:127) aprove.Strategies.ExecutableStrategies.Executor.execute(Executor.java:326) aprove.Strategies.ExecutableStrategies.Executor$Runner.wrappedRun(Executor.java:377) aprove.Strategies.Abortions.PooledJob.run(PooledJob.java:99) aprove.Strategies.Util.PrioritizableThreadPool$Worker.run(PrioritizableThreadPool.java:274) java.lang.Thread.run(Thread.java:748) Aborted 1599056956Exec. 71, RankingReductionPairProcessor[GenerateFollowingInequalities=False] with a hard timeout. Threadpool thread died by not catching an exception java.lang.ThreadDeath at aprove.Strategies.Abortions.PooledJob.finish(PooledJob.java:157) at aprove.Strategies.Abortions.PooledJob.run(PooledJob.java:125) at aprove.Strategies.Util.PrioritizableThreadPool$Worker.run(PrioritizableThreadPool.java:274) at java.lang.Thread.run(Thread.java:748) Running Thread.stop() against 1599056956Exec. 73, RankingReductionPairProcessor[GenerateFollowingInequalities=True] Stack trace: aprove.Framework.IntTRS.Ranking.GEConstraint.(GEConstraint.java:42) aprove.Framework.IntTRS.Ranking.GEConstraint.create(GEConstraint.java:79) aprove.Framework.IntTRS.Ranking.PCS.eliminateVariable(PCS.java:149) aprove.Framework.IntTRS.Ranking.PCS.eliminateOtherVariables(PCS.java:85) aprove.Framework.IntTRS.Ranking.TransitionRelation.(TransitionRelation.java:113) aprove.Framework.IntTRS.Ranking.TransitionRelation.(TransitionRelation.java:73) aprove.Framework.IntTRS.Ranking.RuleToTransitionRelation.ruleToTransitionRelation(RuleToTransitionRelation.java:108) aprove.Framework.IntTRS.RankingRedPair.RankingRedPairWorker.translateRules(RankingRedPairWorker.java:239) aprove.Framework.IntTRS.RankingRedPair.RankingRedPairWorker.work(RankingRedPairWorker.java:182) aprove.Framework.IntTRS.RankingRedPair.RankingRedPairProcessor.process(RankingRedPairProcessor.java:127) aprove.Strategies.ExecutableStrategies.Executor.execute(Executor.java:326) aprove.Strategies.ExecutableStrategies.Executor$Runner.wrappedRun(Executor.java:377) aprove.Strategies.Abortions.PooledJob.run(PooledJob.java:99) aprove.Strategies.Util.PrioritizableThreadPool$Worker.run(PrioritizableThreadPool.java:274) java.lang.Thread.run(Thread.java:748) Aborted 1599056956Exec. 73, RankingReductionPairProcessor[GenerateFollowingInequalities=True] with a hard timeout. Threadpool thread died by not catching an exception java.lang.ThreadDeath at aprove.Strategies.Abortions.PooledJob.finish(PooledJob.java:157) at aprove.Strategies.Abortions.PooledJob.run(PooledJob.java:125) at aprove.Strategies.Util.PrioritizableThreadPool$Worker.run(PrioritizableThreadPool.java:274) at java.lang.Thread.run(Thread.java:748) Running Thread.stop() against 1599056969Exec. 82, RankingReductionPairProcessor[GenerateFollowingInequalities=False] Stack trace: immutables.Immutable.ImmutableIterator.hasNext(ImmutableIterator.java:53) aprove.Framework.Algebra.Polynomials.VarPolynomial$1$1.hasNext(VarPolynomial.java:1047) aprove.Framework.IntTRS.Ranking.GEConstraint.create(GEConstraint.java:57) aprove.Framework.IntTRS.Ranking.PCS.eliminateVariable(PCS.java:149) aprove.Framework.IntTRS.Ranking.PCS.eliminateOtherVariables(PCS.java:85) aprove.Framework.IntTRS.Ranking.TransitionRelation.(TransitionRelation.java:113) aprove.Framework.IntTRS.Ranking.TransitionRelation.(TransitionRelation.java:73) aprove.Framework.IntTRS.Ranking.RuleToTransitionRelation.ruleToTransitionRelation(RuleToTransitionRelation.java:108) aprove.Framework.IntTRS.RankingRedPair.RankingRedPairWorker.translateRules(RankingRedPairWorker.java:239) aprove.Framework.IntTRS.RankingRedPair.RankingRedPairWorker.work(RankingRedPairWorker.java:182) aprove.Framework.IntTRS.RankingRedPair.RankingRedPairProcessor.process(RankingRedPairProcessor.java:127) aprove.Strategies.ExecutableStrategies.Executor.execute(Executor.java:326) aprove.Strategies.ExecutableStrategies.Executor$Runner.wrappedRun(Executor.java:377) aprove.Strategies.Abortions.PooledJob.run(PooledJob.java:99) aprove.Strategies.Util.PrioritizableThreadPool$Worker.run(PrioritizableThreadPool.java:274) java.lang.Thread.run(Thread.java:748) Aborted 1599056969Exec. 82, RankingReductionPairProcessor[GenerateFollowingInequalities=False] with a hard timeout. Threadpool thread died by not catching an exception java.lang.ThreadDeath at aprove.Strategies.Abortions.PooledJob.finish(PooledJob.java:157) at aprove.Strategies.Abortions.PooledJob.run(PooledJob.java:125) at aprove.Strategies.Util.PrioritizableThreadPool$Worker.run(PrioritizableThreadPool.java:274) at java.lang.Thread.run(Thread.java:748) Running Thread.stop() against 1599056969Exec. 87, RankingReductionPairProcessor[GenerateFollowingInequalities=False] Stack trace: immutables.Immutable.DefaultImmutableSet.iterator(DefaultImmutableSet.java:160) aprove.Framework.Algebra.Polynomials.VarPolynomial.times(VarPolynomial.java:600) aprove.Framework.Algebra.Polynomials.VarPolynomial.times(VarPolynomial.java:586) aprove.Framework.IntTRS.Ranking.PCS.eliminateVariable(PCS.java:147) aprove.Framework.IntTRS.Ranking.PCS.eliminateOtherVariables(PCS.java:85) aprove.Framework.IntTRS.Ranking.TransitionRelation.(TransitionRelation.java:113) aprove.Framework.IntTRS.Ranking.TransitionRelation.(TransitionRelation.java:73) aprove.Framework.IntTRS.Ranking.RuleToTransitionRelation.ruleToTransitionRelation(RuleToTransitionRelation.java:108) aprove.Framework.IntTRS.RankingRedPair.RankingRedPairWorker.translateRules(RankingRedPairWorker.java:239) aprove.Framework.IntTRS.RankingRedPair.RankingRedPairWorker.work(RankingRedPairWorker.java:182) aprove.Framework.IntTRS.RankingRedPair.RankingRedPairProcessor.process(RankingRedPairProcessor.java:127) aprove.Strategies.ExecutableStrategies.Executor.execute(Executor.java:326) aprove.Strategies.ExecutableStrategies.Executor$Runner.wrappedRun(Executor.java:377) aprove.Strategies.Abortions.PooledJob.run(PooledJob.java:99) aprove.Strategies.Util.PrioritizableThreadPool$Worker.run(PrioritizableThreadPool.java:274) java.lang.Thread.run(Thread.java:748) Aborted 1599056969Exec. 87, RankingReductionPairProcessor[GenerateFollowingInequalities=False] with a hard timeout. Threadpool thread died by not catching an exception java.lang.ThreadDeath at aprove.Strategies.Abortions.PooledJob.finish(PooledJob.java:157) at aprove.Strategies.Abortions.PooledJob.run(PooledJob.java:125) at aprove.Strategies.Util.PrioritizableThreadPool$Worker.run(PrioritizableThreadPool.java:274) at java.lang.Thread.run(Thread.java:748) Running Thread.stop() against 1599056971Exec. 92, RankingReductionPairProcessor[GenerateFollowingInequalities=False] Stack trace: immutables.Immutable.DefaultImmutableSet.iterator(DefaultImmutableSet.java:160) aprove.Framework.Algebra.Polynomials.SimplePolynomial.plus(SimplePolynomial.java:268) aprove.Framework.Algebra.Polynomials.VarPolynomial.plus(VarPolynomial.java:516) aprove.Framework.IntTRS.Ranking.PCS.eliminateVariable(PCS.java:147) aprove.Framework.IntTRS.Ranking.PCS.eliminateOtherVariables(PCS.java:85) aprove.Framework.IntTRS.Ranking.TransitionRelation.(TransitionRelation.java:113) aprove.Framework.IntTRS.Ranking.TransitionRelation.(TransitionRelation.java:73) aprove.Framework.IntTRS.Ranking.RuleToTransitionRelation.ruleToTransitionRelation(RuleToTransitionRelation.java:108) aprove.Framework.IntTRS.RankingRedPair.RankingRedPairWorker.translateRules(RankingRedPairWorker.java:239) aprove.Framework.IntTRS.RankingRedPair.RankingRedPairWorker.work(RankingRedPairWorker.java:182) aprove.Framework.IntTRS.RankingRedPair.RankingRedPairProcessor.process(RankingRedPairProcessor.java:127) aprove.Strategies.ExecutableStrategies.Executor.execute(Executor.java:326) aprove.Strategies.ExecutableStrategies.Executor$Runner.wrappedRun(Executor.java:377) aprove.Strategies.Abortions.PooledJob.run(PooledJob.java:99) aprove.Strategies.Util.PrioritizableThreadPool$Worker.run(PrioritizableThreadPool.java:274) java.lang.Thread.run(Thread.java:748) Aborted 1599056971Exec. 92, RankingReductionPairProcessor[GenerateFollowingInequalities=False] with a hard timeout. Threadpool thread died by not catching an exception java.lang.ThreadDeath at aprove.Strategies.Abortions.PooledJob.finish(PooledJob.java:157) at aprove.Strategies.Abortions.PooledJob.run(PooledJob.java:125) at aprove.Strategies.Util.PrioritizableThreadPool$Worker.run(PrioritizableThreadPool.java:274) at java.lang.Thread.run(Thread.java:748) Running Thread.stop() against 1599056969Exec. 84, RankingReductionPairProcessor[GenerateFollowingInequalities=True] Stack trace: immutables.Immutable.ImmutableIterator.hasNext(ImmutableIterator.java:53) aprove.Framework.Algebra.Polynomials.IndefinitePart.times(IndefinitePart.java:206) aprove.Framework.Algebra.Polynomials.VarPolynomial.times(VarPolynomial.java:605) aprove.Framework.Algebra.Polynomials.VarPolynomial.times(VarPolynomial.java:586) aprove.Framework.IntTRS.Ranking.PCS.eliminateVariable(PCS.java:147) aprove.Framework.IntTRS.Ranking.PCS.eliminateOtherVariables(PCS.java:85) aprove.Framework.IntTRS.Ranking.TransitionRelation.(TransitionRelation.java:113) aprove.Framework.IntTRS.Ranking.TransitionRelation.(TransitionRelation.java:73) aprove.Framework.IntTRS.Ranking.RuleToTransitionRelation.ruleToTransitionRelation(RuleToTransitionRelation.java:108) aprove.Framework.IntTRS.RankingRedPair.RankingRedPairWorker.translateRules(RankingRedPairWorker.java:239) aprove.Framework.IntTRS.RankingRedPair.RankingRedPairWorker.work(RankingRedPairWorker.java:182) aprove.Framework.IntTRS.RankingRedPair.RankingRedPairProcessor.process(RankingRedPairProcessor.java:127) aprove.Strategies.ExecutableStrategies.Executor.execute(Executor.java:326) aprove.Strategies.ExecutableStrategies.Executor$Runner.wrappedRun(Executor.java:377) aprove.Strategies.Abortions.PooledJob.run(PooledJob.java:99) aprove.Strategies.Util.PrioritizableThreadPool$Worker.run(PrioritizableThreadPool.java:274) java.lang.Thread.run(Thread.java:748) Running Thread.stop() against 1599056969Exec. 89, RankingReductionPairProcessor[GenerateFollowingInequalities=True] Stack trace: immutables.Immutable.ImmutableIterator.next(ImmutableIterator.java:61) Aborted 1599056969Exec. 84, RankingReductionPairProcessor[GenerateFollowingInequalities=True] with a hard timeout. aprove.Framework.Algebra.Polynomials.IndefinitePart.times(IndefinitePart.java:206) aprove.Framework.Algebra.Polynomials.VarPolynomial.times(VarPolynomial.java:605) aprove.Framework.Algebra.Polynomials.VarPolynomial.times(VarPolynomial.java:586) aprove.Framework.IntTRS.Ranking.PCS.eliminateVariable(PCS.java:148) aprove.Framework.IntTRS.Ranking.PCS.eliminateOtherVariables(PCS.java:85) aprove.Framework.IntTRS.Ranking.TransitionRelation.(TransitionRelation.java:113) aprove.Framework.IntTRS.Ranking.TransitionRelation.(TransitionRelation.java:73) aprove.Framework.IntTRS.Ranking.RuleToTransitionRelation.ruleToTransitionRelation(RuleToTransitionRelation.java:108) aprove.Framework.IntTRS.RankingRedPair.RankingRedPairWorker.translateRules(RankingRedPairWorker.java:239) aprove.Framework.IntTRS.RankingRedPair.RankingRedPairWorker.work(RankingRedPairWorker.java:182) aprove.Framework.IntTRS.RankingRedPair.RankingRedPairProcessor.process(RankingRedPairProcessor.java:127) aprove.Strategies.ExecutableStrategies.Executor.execute(Executor.java:326) aprove.Strategies.ExecutableStrategies.Executor$Runner.wrappedRun(Executor.java:377) aprove.Strategies.Abortions.PooledJob.run(PooledJob.java:99) aprove.Strategies.Util.PrioritizableThreadPool$Worker.run(PrioritizableThreadPool.java:274) java.lang.Thread.run(Thread.java:748) Running Thread.stop() against 1599056971Exec. 94, RankingReductionPairProcessor[GenerateFollowingInequalities=True] Stack trace: Aborted 1599056969Exec. 89, RankingReductionPairProcessor[GenerateFollowingInequalities=True] with a hard timeout. Threadpool thread died by not catching an exception java.lang.ThreadDeath at aprove.Strategies.Abortions.PooledJob.finish(PooledJob.java:157) at aprove.Strategies.Abortions.PooledJob.run(PooledJob.java:125) at aprove.Strategies.Util.PrioritizableThreadPool$Worker.run(PrioritizableThreadPool.java:274) at java.lang.Thread.run(Thread.java:748) immutables.Immutable.ImmutableIterator.next(ImmutableIterator.java:61) aprove.Framework.Algebra.Polynomials.VarPolynomial.times(VarPolynomial.java:600) aprove.Framework.Algebra.Polynomials.VarPolynomial.times(VarPolynomial.java:586) aprove.Framework.IntTRS.Ranking.PCS.eliminateVariable(PCS.java:147) aprove.Framework.IntTRS.Ranking.PCS.eliminateOtherVariables(PCS.java:85) aprove.Framework.IntTRS.Ranking.TransitionRelation.(TransitionRelation.java:113) aprove.Framework.IntTRS.Ranking.TransitionRelation.(TransitionRelation.java:73) aprove.Framework.IntTRS.Ranking.RuleToTransitionRelation.ruleToTransitionRelation(RuleToTransitionRelation.java:108) aprove.Framework.IntTRS.RankingRedPair.RankingRedPairWorker.translateRules(RankingRedPairWorker.java:239) Threadpool thread died by not catching an exception java.lang.ThreadDeath at aprove.Strategies.Abortions.PooledJob.finish(PooledJob.java:157) at aprove.Strategies.Abortions.PooledJob.run(PooledJob.java:125) at aprove.Strategies.Util.PrioritizableThreadPool$Worker.run(PrioritizableThreadPool.java:274) at java.lang.Thread.run(Thread.java:748) aprove.Framework.IntTRS.RankingRedPair.RankingRedPairWorker.work(RankingRedPairWorker.java:182) aprove.Framework.IntTRS.RankingRedPair.RankingRedPairProcessor.process(RankingRedPairProcessor.java:127) aprove.Strategies.ExecutableStrategies.Executor.execute(Executor.java:326) aprove.Strategies.ExecutableStrategies.Executor$Runner.wrappedRun(Executor.java:377) aprove.Strategies.Abortions.PooledJob.run(PooledJob.java:99) aprove.Strategies.Util.PrioritizableThreadPool$Worker.run(PrioritizableThreadPool.java:274) java.lang.Thread.run(Thread.java:748) Aborted 1599056971Exec. 94, RankingReductionPairProcessor[GenerateFollowingInequalities=True] with a hard timeout. Threadpool thread died by not catching an exception java.lang.ThreadDeath at aprove.Strategies.Abortions.PooledJob.finish(PooledJob.java:157) at aprove.Strategies.Abortions.PooledJob.run(PooledJob.java:125) at aprove.Strategies.Util.PrioritizableThreadPool$Worker.run(PrioritizableThreadPool.java:274) at java.lang.Thread.run(Thread.java:748) Running Thread.stop() against 1599056998Exec. 103, RankingReductionPairProcessor[GenerateFollowingInequalities=False] Stack trace: immutables.Immutable.ImmutableIterator.next(ImmutableIterator.java:61) aprove.Framework.Algebra.Polynomials.IndefinitePart.times(IndefinitePart.java:206) aprove.Framework.Algebra.Polynomials.VarPolynomial.times(VarPolynomial.java:605) aprove.Framework.Algebra.Polynomials.VarPolynomial.times(VarPolynomial.java:586) aprove.Framework.IntTRS.Ranking.PCS.eliminateVariable(PCS.java:147) aprove.Framework.IntTRS.Ranking.PCS.eliminateOtherVariables(PCS.java:85) aprove.Framework.IntTRS.Ranking.TransitionRelation.(TransitionRelation.java:113) aprove.Framework.IntTRS.Ranking.TransitionRelation.(TransitionRelation.java:73) aprove.Framework.IntTRS.Ranking.RuleToTransitionRelation.ruleToTransitionRelation(RuleToTransitionRelation.java:108) aprove.Framework.IntTRS.RankingRedPair.RankingRedPairWorker.translateRules(RankingRedPairWorker.java:239) aprove.Framework.IntTRS.RankingRedPair.RankingRedPairWorker.work(RankingRedPairWorker.java:182) aprove.Framework.IntTRS.RankingRedPair.RankingRedPairProcessor.process(RankingRedPairProcessor.java:127) aprove.Strategies.ExecutableStrategies.Executor.execute(Executor.java:326) aprove.Strategies.ExecutableStrategies.Executor$Runner.wrappedRun(Executor.java:377) aprove.Strategies.Abortions.PooledJob.run(PooledJob.java:99) aprove.Strategies.Util.PrioritizableThreadPool$Worker.run(PrioritizableThreadPool.java:274) java.lang.Thread.run(Thread.java:748) Running Thread.stop() against 1599056998Exec. 108, RankingReductionPairProcessor[GenerateFollowingInequalities=False] Stack trace: Aborted 1599056998Exec. 103, RankingReductionPairProcessor[GenerateFollowingInequalities=False] with a hard timeout. immutables.Immutable.DefaultImmutableSet.iterator(DefaultImmutableSet.java:160) aprove.Framework.Algebra.Polynomials.SimplePolynomial.plus(SimplePolynomial.java:268) aprove.Framework.Algebra.Polynomials.VarPolynomial.plus(VarPolynomial.java:516) aprove.Framework.IntTRS.Ranking.PCS.eliminateVariable(PCS.java:147) aprove.Framework.IntTRS.Ranking.PCS.eliminateOtherVariables(PCS.java:85) aprove.Framework.IntTRS.Ranking.TransitionRelation.(TransitionRelation.java:113) Threadpool thread died by not catching an exception java.lang.ThreadDeath at aprove.Strategies.Abortions.PooledJob.finish(PooledJob.java:157) at aprove.Strategies.Abortions.PooledJob.run(PooledJob.java:125) at aprove.Strategies.Util.PrioritizableThreadPool$Worker.run(PrioritizableThreadPool.java:274) at java.lang.Thread.run(Thread.java:748) aprove.Framework.IntTRS.Ranking.TransitionRelation.(TransitionRelation.java:73) aprove.Framework.IntTRS.Ranking.RuleToTransitionRelation.ruleToTransitionRelation(RuleToTransitionRelation.java:108) aprove.Framework.IntTRS.RankingRedPair.RankingRedPairWorker.translateRules(RankingRedPairWorker.java:239) aprove.Framework.IntTRS.RankingRedPair.RankingRedPairWorker.work(RankingRedPairWorker.java:182) aprove.Framework.IntTRS.RankingRedPair.RankingRedPairProcessor.process(RankingRedPairProcessor.java:127) aprove.Strategies.ExecutableStrategies.Executor.execute(Executor.java:326) aprove.Strategies.ExecutableStrategies.Executor$Runner.wrappedRun(Executor.java:377) aprove.Strategies.Abortions.PooledJob.run(PooledJob.java:99) aprove.Strategies.Util.PrioritizableThreadPool$Worker.run(PrioritizableThreadPool.java:274) java.lang.Thread.run(Thread.java:748) Aborted 1599056998Exec. 108, RankingReductionPairProcessor[GenerateFollowingInequalities=False] with a hard timeout. Threadpool thread died by not catching an exception java.lang.ThreadDeath at aprove.Strategies.Abortions.PooledJob.finish(PooledJob.java:157) at aprove.Strategies.Abortions.PooledJob.run(PooledJob.java:125) at aprove.Strategies.Util.PrioritizableThreadPool$Worker.run(PrioritizableThreadPool.java:274) at java.lang.Thread.run(Thread.java:748) Running Thread.stop() against 1599057004Exec. 113, RankingReductionPairProcessor[GenerateFollowingInequalities=False] Stack trace: immutables.Immutable.DefaultImmutableSet.iterator(DefaultImmutableSet.java:160) aprove.Framework.Algebra.Polynomials.IndefinitePart.times(IndefinitePart.java:216) aprove.Framework.Algebra.Polynomials.SimplePolynomial.times(SimplePolynomial.java:481) aprove.Framework.Algebra.Polynomials.VarPolynomial.times(VarPolynomial.java:606) aprove.Framework.Algebra.Polynomials.VarPolynomial.times(VarPolynomial.java:586) aprove.Framework.IntTRS.Ranking.PCS.eliminateVariable(PCS.java:147) aprove.Framework.IntTRS.Ranking.PCS.eliminateOtherVariables(PCS.java:85) aprove.Framework.IntTRS.Ranking.TransitionRelation.(TransitionRelation.java:113) aprove.Framework.IntTRS.Ranking.TransitionRelation.(TransitionRelation.java:73) aprove.Framework.IntTRS.Ranking.RuleToTransitionRelation.ruleToTransitionRelation(RuleToTransitionRelation.java:108) aprove.Framework.IntTRS.RankingRedPair.RankingRedPairWorker.translateRules(RankingRedPairWorker.java:239) aprove.Framework.IntTRS.RankingRedPair.RankingRedPairWorker.work(RankingRedPairWorker.java:182) aprove.Framework.IntTRS.RankingRedPair.RankingRedPairProcessor.process(RankingRedPairProcessor.java:127) aprove.Strategies.ExecutableStrategies.Executor.execute(Executor.java:326) aprove.Strategies.ExecutableStrategies.Executor$Runner.wrappedRun(Executor.java:377) aprove.Strategies.Abortions.PooledJob.run(PooledJob.java:99) aprove.Strategies.Util.PrioritizableThreadPool$Worker.run(PrioritizableThreadPool.java:274) java.lang.Thread.run(Thread.java:748) Aborted 1599057004Exec. 113, RankingReductionPairProcessor[GenerateFollowingInequalities=False] with a hard timeout. Threadpool thread died by not catching an exception java.lang.ThreadDeath at aprove.Strategies.Abortions.PooledJob.finish(PooledJob.java:157) at aprove.Strategies.Abortions.PooledJob.run(PooledJob.java:125) at aprove.Strategies.Util.PrioritizableThreadPool$Worker.run(PrioritizableThreadPool.java:274) at java.lang.Thread.run(Thread.java:748) Running Thread.stop() against 1599056998Exec. 105, RankingReductionPairProcessor[GenerateFollowingInequalities=True] Stack trace: immutables.Immutable.ImmutableIterator.hasNext(ImmutableIterator.java:53) aprove.Framework.Algebra.Polynomials.SimplePolynomial.plus(SimplePolynomial.java:283) aprove.Framework.Algebra.Polynomials.VarPolynomial.plus(VarPolynomial.java:516) aprove.Framework.IntTRS.Ranking.PCS.eliminateVariable(PCS.java:147) aprove.Framework.IntTRS.Ranking.PCS.eliminateOtherVariables(PCS.java:85) aprove.Framework.IntTRS.Ranking.TransitionRelation.(TransitionRelation.java:113) aprove.Framework.IntTRS.Ranking.TransitionRelation.(TransitionRelation.java:73) aprove.Framework.IntTRS.Ranking.RuleToTransitionRelation.ruleToTransitionRelation(RuleToTransitionRelation.java:108) aprove.Framework.IntTRS.RankingRedPair.RankingRedPairWorker.translateRules(RankingRedPairWorker.java:239) aprove.Framework.IntTRS.RankingRedPair.RankingRedPairWorker.work(RankingRedPairWorker.java:182) aprove.Framework.IntTRS.RankingRedPair.RankingRedPairProcessor.process(RankingRedPairProcessor.java:127) aprove.Strategies.ExecutableStrategies.Executor.execute(Executor.java:326) aprove.Strategies.ExecutableStrategies.Executor$Runner.wrappedRun(Executor.java:377) aprove.Strategies.Abortions.PooledJob.run(PooledJob.java:99) aprove.Strategies.Util.PrioritizableThreadPool$Worker.run(PrioritizableThreadPool.java:274) java.lang.Thread.run(Thread.java:748) Running Thread.stop() against 1599056998Exec. 110, RankingReductionPairProcessor[GenerateFollowingInequalities=True] Stack trace: immutables.Immutable.DefaultImmutableSet.iterator(DefaultImmutableSet.java:160) Aborted 1599056998Exec. 105, RankingReductionPairProcessor[GenerateFollowingInequalities=True] with a hard timeout. aprove.Framework.Algebra.Polynomials.VarPolynomial.times(VarPolynomial.java:603) aprove.Framework.Algebra.Polynomials.VarPolynomial.times(VarPolynomial.java:586) aprove.Framework.IntTRS.Ranking.PCS.eliminateVariable(PCS.java:148) aprove.Framework.IntTRS.Ranking.PCS.eliminateOtherVariables(PCS.java:85) aprove.Framework.IntTRS.Ranking.TransitionRelation.(TransitionRelation.java:113) aprove.Framework.IntTRS.Ranking.TransitionRelation.(TransitionRelation.java:73) aprove.Framework.IntTRS.Ranking.RuleToTransitionRelation.ruleToTransitionRelation(RuleToTransitionRelation.java:108) aprove.Framework.IntTRS.RankingRedPair.RankingRedPairWorker.translateRules(RankingRedPairWorker.java:239) aprove.Framework.IntTRS.RankingRedPair.RankingRedPairWorker.work(RankingRedPairWorker.java:182) aprove.Framework.IntTRS.RankingRedPair.RankingRedPairProcessor.process(RankingRedPairProcessor.java:127) aprove.Strategies.ExecutableStrategies.Executor.execute(Executor.java:326) aprove.Strategies.ExecutableStrategies.Executor$Runner.wrappedRun(Executor.java:377) aprove.Strategies.Abortions.PooledJob.run(PooledJob.java:99) aprove.Strategies.Util.PrioritizableThreadPool$Worker.run(PrioritizableThreadPool.java:274) java.lang.Thread.run(Thread.java:748) Threadpool thread died by not catching an exception java.lang.ThreadDeath at aprove.Strategies.Abortions.PooledJob.finish(PooledJob.java:157) at aprove.Strategies.Abortions.PooledJob.run(PooledJob.java:125) at aprove.Strategies.Util.PrioritizableThreadPool$Worker.run(PrioritizableThreadPool.java:274) at java.lang.Thread.run(Thread.java:748) Running Thread.stop() against 1599057004Exec. 115, RankingReductionPairProcessor[GenerateFollowingInequalities=True] Stack trace: Aborted 1599056998Exec. 110, RankingReductionPairProcessor[GenerateFollowingInequalities=True] with a hard timeout. java.util.LinkedHashMap.get(LinkedHashMap.java:440) immutables.Immutable.ImmutableLinkedHashMap.get(ImmutableLinkedHashMap.java:130) aprove.Framework.Algebra.Polynomials.VarPolynomial.getConstantPart(VarPolynomial.java:1013) aprove.Framework.IntTRS.Ranking.GEConstraint.(GEConstraint.java:40) aprove.Framework.IntTRS.Ranking.GEConstraint.create(GEConstraint.java:79) aprove.Framework.IntTRS.Ranking.PCS.eliminateVariable(PCS.java:149) aprove.Framework.IntTRS.Ranking.PCS.eliminateOtherVariables(PCS.java:85) aprove.Framework.IntTRS.Ranking.TransitionRelation.(TransitionRelation.java:113) aprove.Framework.IntTRS.Ranking.TransitionRelation.(TransitionRelation.java:73) aprove.Framework.IntTRS.Ranking.RuleToTransitionRelation.ruleToTransitionRelation(RuleToTransitionRelation.java:108) aprove.Framework.IntTRS.RankingRedPair.RankingRedPairWorker.translateRules(RankingRedPairWorker.java:239) aprove.Framework.IntTRS.RankingRedPair.RankingRedPairWorker.work(RankingRedPairWorker.java:182) aprove.Framework.IntTRS.RankingRedPair.RankingRedPairProcessor.process(RankingRedPairProcessor.java:127) aprove.Strategies.ExecutableStrategies.Executor.execute(Executor.java:326) aprove.Strategies.ExecutableStrategies.Executor$Runner.wrappedRun(Executor.java:377) aprove.Strategies.Abortions.PooledJob.run(PooledJob.java:99) aprove.Strategies.Util.PrioritizableThreadPool$Worker.run(PrioritizableThreadPool.java:274) java.lang.Thread.run(Thread.java:748) Threadpool thread died by not catching an exception java.lang.ThreadDeath at aprove.Strategies.Abortions.PooledJob.finish(PooledJob.java:157) at aprove.Strategies.Abortions.PooledJob.run(PooledJob.java:125) at aprove.Strategies.Util.PrioritizableThreadPool$Worker.run(PrioritizableThreadPool.java:274) at java.lang.Thread.run(Thread.java:748) Aborted 1599057004Exec. 115, RankingReductionPairProcessor[GenerateFollowingInequalities=True] with a hard timeout. Threadpool thread died by not catching an exception java.lang.ThreadDeath at aprove.Strategies.Abortions.PooledJob.finish(PooledJob.java:157) at aprove.Strategies.Abortions.PooledJob.run(PooledJob.java:125) at aprove.Strategies.Util.PrioritizableThreadPool$Worker.run(PrioritizableThreadPool.java:274) at java.lang.Thread.run(Thread.java:748) Running Thread.stop() against 1599057033Exec. 124, RankingReductionPairProcessor[GenerateFollowingInequalities=False] Stack trace: aprove.Framework.IntTRS.Ranking.GEConstraint.create(GEConstraint.java:58) aprove.Framework.IntTRS.Ranking.PCS.eliminateVariable(PCS.java:149) aprove.Framework.IntTRS.Ranking.PCS.eliminateOtherVariables(PCS.java:85) aprove.Framework.IntTRS.Ranking.TransitionRelation.(TransitionRelation.java:113) aprove.Framework.IntTRS.Ranking.TransitionRelation.(TransitionRelation.java:73) aprove.Framework.IntTRS.Ranking.RuleToTransitionRelation.ruleToTransitionRelation(RuleToTransitionRelation.java:108) aprove.Framework.IntTRS.RankingRedPair.RankingRedPairWorker.translateRules(RankingRedPairWorker.java:239) aprove.Framework.IntTRS.RankingRedPair.RankingRedPairWorker.work(RankingRedPairWorker.java:182) aprove.Framework.IntTRS.RankingRedPair.RankingRedPairProcessor.process(RankingRedPairProcessor.java:127) aprove.Strategies.ExecutableStrategies.Executor.execute(Executor.java:326) aprove.Strategies.ExecutableStrategies.Executor$Runner.wrappedRun(Executor.java:377) aprove.Strategies.Abortions.PooledJob.run(PooledJob.java:99) aprove.Strategies.Util.PrioritizableThreadPool$Worker.run(PrioritizableThreadPool.java:274) java.lang.Thread.run(Thread.java:748) Aborted 1599057033Exec. 124, RankingReductionPairProcessor[GenerateFollowingInequalities=False] with a hard timeout. Threadpool thread died by not catching an exception java.lang.ThreadDeath at aprove.Strategies.Abortions.PooledJob.finish(PooledJob.java:157) at aprove.Strategies.Abortions.PooledJob.run(PooledJob.java:125) at aprove.Strategies.Util.PrioritizableThreadPool$Worker.run(PrioritizableThreadPool.java:274) at java.lang.Thread.run(Thread.java:748) Running Thread.stop() against 1599057035Exec. 135, RankingReductionPairProcessor[GenerateFollowingInequalities=False] Stack trace: immutables.Immutable.DefaultImmutableMap.get(DefaultImmutableMap.java:121) aprove.Framework.Algebra.Polynomials.SimplePolynomial.getNumericalAddend(SimplePolynomial.java:893) aprove.Framework.IntTRS.Ranking.GEConstraint.(GEConstraint.java:40) aprove.Framework.IntTRS.Ranking.GEConstraint.create(GEConstraint.java:79) aprove.Framework.IntTRS.Ranking.PCS.eliminateVariable(PCS.java:149) aprove.Framework.IntTRS.Ranking.PCS.eliminateOtherVariables(PCS.java:85) aprove.Framework.IntTRS.Ranking.TransitionRelation.(TransitionRelation.java:113) aprove.Framework.IntTRS.Ranking.TransitionRelation.(TransitionRelation.java:73) aprove.Framework.IntTRS.Ranking.RuleToTransitionRelation.ruleToTransitionRelation(RuleToTransitionRelation.java:108) aprove.Framework.IntTRS.RankingRedPair.RankingRedPairWorker.translateRules(RankingRedPairWorker.java:239) aprove.Framework.IntTRS.RankingRedPair.RankingRedPairWorker.work(RankingRedPairWorker.java:182) aprove.Framework.IntTRS.RankingRedPair.RankingRedPairProcessor.process(RankingRedPairProcessor.java:127) aprove.Strategies.ExecutableStrategies.Executor.execute(Executor.java:326) aprove.Strategies.ExecutableStrategies.Executor$Runner.wrappedRun(Executor.java:377) aprove.Strategies.Abortions.PooledJob.run(PooledJob.java:99) aprove.Strategies.Util.PrioritizableThreadPool$Worker.run(PrioritizableThreadPool.java:274) java.lang.Thread.run(Thread.java:748) Aborted 1599057035Exec. 135, RankingReductionPairProcessor[GenerateFollowingInequalities=False] with a hard timeout. Threadpool thread died by not catching an exception java.lang.ThreadDeath at aprove.Strategies.Abortions.PooledJob.finish(PooledJob.java:157) at aprove.Strategies.Abortions.PooledJob.run(PooledJob.java:125) at aprove.Strategies.Util.PrioritizableThreadPool$Worker.run(PrioritizableThreadPool.java:274) at java.lang.Thread.run(Thread.java:748) Running Thread.stop() against 1599057033Exec. 126, RankingReductionPairProcessor[GenerateFollowingInequalities=True] Stack trace: aprove.Framework.Algebra.Polynomials.SimplePolynomial.plus(SimplePolynomial.java:262) aprove.Framework.Algebra.Polynomials.VarPolynomial.plus(VarPolynomial.java:516) aprove.Framework.IntTRS.Ranking.PCS.eliminateVariable(PCS.java:147) aprove.Framework.IntTRS.Ranking.PCS.eliminateOtherVariables(PCS.java:85) aprove.Framework.IntTRS.Ranking.TransitionRelation.(TransitionRelation.java:113) aprove.Framework.IntTRS.Ranking.TransitionRelation.(TransitionRelation.java:73) aprove.Framework.IntTRS.Ranking.RuleToTransitionRelation.ruleToTransitionRelation(RuleToTransitionRelation.java:108) aprove.Framework.IntTRS.RankingRedPair.RankingRedPairWorker.translateRules(RankingRedPairWorker.java:239) aprove.Framework.IntTRS.RankingRedPair.RankingRedPairWorker.work(RankingRedPairWorker.java:182) aprove.Framework.IntTRS.RankingRedPair.RankingRedPairProcessor.process(RankingRedPairProcessor.java:127) aprove.Strategies.ExecutableStrategies.Executor.execute(Executor.java:326) aprove.Strategies.ExecutableStrategies.Executor$Runner.wrappedRun(Executor.java:377) aprove.Strategies.Abortions.PooledJob.run(PooledJob.java:99) aprove.Strategies.Util.PrioritizableThreadPool$Worker.run(PrioritizableThreadPool.java:274) java.lang.Thread.run(Thread.java:748) Aborted 1599057033Exec. 126, RankingReductionPairProcessor[GenerateFollowingInequalities=True] with a hard timeout. Running Thread.stop() against 1599057035Exec. 137, RankingReductionPairProcessor[GenerateFollowingInequalities=True] Stack trace: aprove.Framework.Algebra.Polynomials.SimplePolynomial.times(SimplePolynomial.java:481) aprove.Framework.Algebra.Polynomials.VarPolynomial.times(VarPolynomial.java:606) aprove.Framework.Algebra.Polynomials.VarPolynomial.times(VarPolynomial.java:586) aprove.Framework.IntTRS.Ranking.PCS.eliminateVariable(PCS.java:148) aprove.Framework.IntTRS.Ranking.PCS.eliminateOtherVariables(PCS.java:85) aprove.Framework.IntTRS.Ranking.TransitionRelation.(TransitionRelation.java:113) aprove.Framework.IntTRS.Ranking.TransitionRelation.(TransitionRelation.java:73) aprove.Framework.IntTRS.Ranking.RuleToTransitionRelation.ruleToTransitionRelation(RuleToTransitionRelation.java:108) aprove.Framework.IntTRS.RankingRedPair.RankingRedPairWorker.translateRules(RankingRedPairWorker.java:239) aprove.Framework.IntTRS.RankingRedPair.RankingRedPairWorker.work(RankingRedPairWorker.java:182) aprove.Framework.IntTRS.RankingRedPair.RankingRedPairProcessor.process(RankingRedPairProcessor.java:127) aprove.Strategies.ExecutableStrategies.Executor.execute(Executor.java:326) aprove.Strategies.ExecutableStrategies.Executor$Runner.wrappedRun(Executor.java:377) aprove.Strategies.Abortions.PooledJob.run(PooledJob.java:99) aprove.Strategies.Util.PrioritizableThreadPool$Worker.run(PrioritizableThreadPool.java:274) java.lang.Thread.run(Thread.java:748) Threadpool thread died by not catching an exception java.lang.ThreadDeath at aprove.Strategies.Abortions.PooledJob.finish(PooledJob.java:157) at aprove.Strategies.Abortions.PooledJob.run(PooledJob.java:125) at aprove.Strategies.Util.PrioritizableThreadPool$Worker.run(PrioritizableThreadPool.java:274) at java.lang.Thread.run(Thread.java:748) Aborted 1599057035Exec. 137, RankingReductionPairProcessor[GenerateFollowingInequalities=True] with a hard timeout. Threadpool thread died by not catching an exception java.lang.ThreadDeath at aprove.Strategies.Abortions.PooledJob.finish(PooledJob.java:157) at aprove.Strategies.Abortions.PooledJob.run(PooledJob.java:125) at aprove.Strategies.Util.PrioritizableThreadPool$Worker.run(PrioritizableThreadPool.java:274) at java.lang.Thread.run(Thread.java:748) Running Thread.stop() against 1599057035Exec. 142, RankingReductionPairProcessor[GenerateFollowingInequalities=True] Stack trace: immutables.Immutable.DefaultImmutableSet.iterator(DefaultImmutableSet.java:160) aprove.Framework.Algebra.Polynomials.VarPolynomial.times(VarPolynomial.java:603) aprove.Framework.Algebra.Polynomials.VarPolynomial.times(VarPolynomial.java:586) aprove.Framework.IntTRS.Ranking.PCS.eliminateVariable(PCS.java:147) aprove.Framework.IntTRS.Ranking.PCS.eliminateOtherVariables(PCS.java:85) aprove.Framework.IntTRS.Ranking.TransitionRelation.(TransitionRelation.java:113) aprove.Framework.IntTRS.Ranking.TransitionRelation.(TransitionRelation.java:73) aprove.Framework.IntTRS.Ranking.RuleToTransitionRelation.ruleToTransitionRelation(RuleToTransitionRelation.java:108) aprove.Framework.IntTRS.RankingRedPair.RankingRedPairWorker.translateRules(RankingRedPairWorker.java:239) aprove.Framework.IntTRS.RankingRedPair.RankingRedPairWorker.work(RankingRedPairWorker.java:182) aprove.Framework.IntTRS.RankingRedPair.RankingRedPairProcessor.process(RankingRedPairProcessor.java:127) aprove.Strategies.ExecutableStrategies.Executor.execute(Executor.java:326) aprove.Strategies.ExecutableStrategies.Executor$Runner.wrappedRun(Executor.java:377) aprove.Strategies.Abortions.PooledJob.run(PooledJob.java:99) aprove.Strategies.Util.PrioritizableThreadPool$Worker.run(PrioritizableThreadPool.java:274) java.lang.Thread.run(Thread.java:748) Aborted 1599057035Exec. 142, RankingReductionPairProcessor[GenerateFollowingInequalities=True] with a hard timeout. Threadpool thread died by not catching an exception java.lang.ThreadDeath at aprove.Strategies.Abortions.PooledJob.finish(PooledJob.java:157) at aprove.Strategies.Abortions.PooledJob.run(PooledJob.java:125) at aprove.Strategies.Util.PrioritizableThreadPool$Worker.run(PrioritizableThreadPool.java:274) at java.lang.Thread.run(Thread.java:748) java.lang.NullPointerException at aprove.Framework.IntTRS.PoloRedPair.PolynomialInterpretation.toCPF(PolynomialInterpretation.java:188) at aprove.Framework.IntTRS.PoloRedPair.IntTRSPolynomialOrderProcessor$IntTRSPoloRedPairProof.toCPF(IntTRSPolynomialOrderProcessor.java:349) at aprove.ProofTree.Obligations.BasicObligationNode.toCPF(BasicObligationNode.java:397) at aprove.ProofTree.Obligations.BasicObligationNode.toCPF(BasicObligationNode.java:374) at aprove.ProofTree.Obligations.BasicObligationNode.toCPF(BasicObligationNode.java:374) at aprove.ProofTree.Obligations.BasicObligationNode.toCPF(BasicObligationNode.java:374) at aprove.ProofTree.Obligations.BasicObligationNode.toCPF(BasicObligationNode.java:374) at aprove.ProofTree.Obligations.BasicObligationNode.toCPF(BasicObligationNode.java:374) at aprove.ProofTree.Obligations.BasicObligationNode.toCPF(BasicObligationNode.java:374) at aprove.ProofTree.Obligations.BasicObligationNode.toCPF(BasicObligationNode.java:374) at aprove.ProofTree.Obligations.BasicObligationNode.toCPF(BasicObligationNode.java:374) at aprove.ProofTree.Obligations.BasicObligationNode.toCPF(BasicObligationNode.java:374) at aprove.ProofTree.Obligations.BasicObligationNode.toCPF(BasicObligationNode.java:374) at aprove.ProofTree.Obligations.BasicObligationNode.toCPF(BasicObligationNode.java:374) at aprove.ProofTree.Obligations.BasicObligationNode.toCPF(BasicObligationNode.java:374) at aprove.ProofTree.Obligations.BasicObligationNode.toCPF(BasicObligationNode.java:374) at aprove.ProofTree.Obligations.BasicObligationNode.toCPF(BasicObligationNode.java:374) at aprove.ProofTree.Obligations.BasicObligationNode.toCPF(BasicObligationNode.java:374) at aprove.ProofTree.Obligations.BasicObligationNode.toCPF(BasicObligationNode.java:374) at aprove.ProofTree.Obligations.BasicObligationNode.toCPF(BasicObligationNode.java:374) at aprove.ProofTree.Obligations.BasicObligationNode.toCPF(BasicObligationNode.java:374) at aprove.CommandLineInterface.ProofExport.exportCPF(ProofExport.java:132) at aprove.ProofTree.Obligations.BasicObligationNode.writeCPF(BasicObligationNode.java:423) at aprove.CommandLineInterface.ProofExport$1.export(ProofExport.java:27) at aprove.CommandLineInterface.Main.run(Main.java:150) at aprove.CommandLineInterface.Main.doMain(Main.java:42) at aprove.Main.doMain(Main.java:54) at aprove.Main.main(Main.java:20) -:1: parser error : Start tag expected, '<' not found java.lang.NullPointerException ^ real 2m29.213s user 15m40.311s sys 0m7.799s