/root/.sdkman/candidates/java/current/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../benchexec/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf --traceabstraction.dfs.order.used.in.por LOOP_LOCKSTEP --traceabstraction.additional.conditional.commutativity.checking BOTH --traceabstraction.criterion.for.conditional.commutativity.checking DEFAULT --traceabstraction.use.limited.checks.recommended.for.dfs true --traceabstraction.limit.for.limited.checks 10 -tc ../benchexec/../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/inc-subseq-array.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.4-wip.dk.conditional-comm-faa7b7a-m [2024-04-28 15:40:58,104 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-04-28 15:40:58,170 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../benchexec/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf [2024-04-28 15:40:58,174 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-04-28 15:40:58,174 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-04-28 15:40:58,202 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-04-28 15:40:58,202 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-04-28 15:40:58,202 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-04-28 15:40:58,203 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-04-28 15:40:58,206 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-04-28 15:40:58,206 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-04-28 15:40:58,206 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-04-28 15:40:58,206 INFO L153 SettingsManager]: * Use SBE=true [2024-04-28 15:40:58,208 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-04-28 15:40:58,208 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-04-28 15:40:58,208 INFO L153 SettingsManager]: * sizeof long=4 [2024-04-28 15:40:58,208 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-04-28 15:40:58,208 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-04-28 15:40:58,208 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-04-28 15:40:58,208 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-04-28 15:40:58,208 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-04-28 15:40:58,209 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-04-28 15:40:58,209 INFO L153 SettingsManager]: * sizeof long double=12 [2024-04-28 15:40:58,209 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-04-28 15:40:58,209 INFO L153 SettingsManager]: * Use constant arrays=true [2024-04-28 15:40:58,209 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-04-28 15:40:58,209 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-04-28 15:40:58,210 INFO L153 SettingsManager]: * To the following directory=./dump/ [2024-04-28 15:40:58,210 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-04-28 15:40:58,210 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-04-28 15:40:58,211 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-04-28 15:40:58,211 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-04-28 15:40:58,211 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-04-28 15:40:58,211 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-04-28 15:40:58,211 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2024-04-28 15:40:58,211 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-04-28 15:40:58,211 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-04-28 15:40:58,212 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-04-28 15:40:58,212 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-04-28 15:40:58,212 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: DFS Order used in POR -> LOOP_LOCKSTEP Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional conditional commutativity checking -> BOTH Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Criterion for conditional commutativity checking -> DEFAULT Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: use limited checks (recommended for DFS) -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Limit for limited checks -> 10 [2024-04-28 15:40:58,439 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-04-28 15:40:58,463 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-04-28 15:40:58,465 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-04-28 15:40:58,466 INFO L270 PluginConnector]: Initializing Boogie PL CUP Parser... [2024-04-28 15:40:58,466 INFO L274 PluginConnector]: Boogie PL CUP Parser initialized [2024-04-28 15:40:58,468 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/inc-subseq-array.wvr.bpl [2024-04-28 15:40:58,468 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/inc-subseq-array.wvr.bpl' [2024-04-28 15:40:58,489 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-04-28 15:40:58,491 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-04-28 15:40:58,492 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-04-28 15:40:58,492 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-04-28 15:40:58,492 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-04-28 15:40:58,500 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "inc-subseq-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.04 03:40:58" (1/1) ... [2024-04-28 15:40:58,505 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "inc-subseq-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.04 03:40:58" (1/1) ... [2024-04-28 15:40:58,510 INFO L138 Inliner]: procedures = 3, calls = 2, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2024-04-28 15:40:58,511 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-04-28 15:40:58,512 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-04-28 15:40:58,512 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-04-28 15:40:58,512 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-04-28 15:40:58,519 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "inc-subseq-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.04 03:40:58" (1/1) ... [2024-04-28 15:40:58,520 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "inc-subseq-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.04 03:40:58" (1/1) ... [2024-04-28 15:40:58,521 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "inc-subseq-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.04 03:40:58" (1/1) ... [2024-04-28 15:40:58,521 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "inc-subseq-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.04 03:40:58" (1/1) ... [2024-04-28 15:40:58,524 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "inc-subseq-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.04 03:40:58" (1/1) ... [2024-04-28 15:40:58,527 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "inc-subseq-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.04 03:40:58" (1/1) ... [2024-04-28 15:40:58,527 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "inc-subseq-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.04 03:40:58" (1/1) ... [2024-04-28 15:40:58,528 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "inc-subseq-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.04 03:40:58" (1/1) ... [2024-04-28 15:40:58,529 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-04-28 15:40:58,530 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-04-28 15:40:58,530 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-04-28 15:40:58,530 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-04-28 15:40:58,530 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "inc-subseq-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.04 03:40:58" (1/1) ... [2024-04-28 15:40:58,534 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-04-28 15:40:58,546 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-28 15:40:58,561 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-04-28 15:40:58,579 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-04-28 15:40:58,598 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2024-04-28 15:40:58,598 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-04-28 15:40:58,599 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-04-28 15:40:58,599 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2024-04-28 15:40:58,599 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-04-28 15:40:58,599 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-04-28 15:40:58,599 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2024-04-28 15:40:58,599 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-04-28 15:40:58,599 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-04-28 15:40:58,600 WARN L213 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-04-28 15:40:58,640 INFO L241 CfgBuilder]: Building ICFG [2024-04-28 15:40:58,642 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-04-28 15:40:58,717 INFO L282 CfgBuilder]: Performing block encoding [2024-04-28 15:40:58,730 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-04-28 15:40:58,731 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2024-04-28 15:40:58,732 INFO L201 PluginConnector]: Adding new model inc-subseq-array.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.04 03:40:58 BoogieIcfgContainer [2024-04-28 15:40:58,732 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-04-28 15:40:58,733 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-04-28 15:40:58,733 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-04-28 15:40:58,753 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-04-28 15:40:58,753 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "inc-subseq-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.04 03:40:58" (1/2) ... [2024-04-28 15:40:58,754 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@57b94c and model type inc-subseq-array.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.04 03:40:58, skipping insertion in model container [2024-04-28 15:40:58,754 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "inc-subseq-array.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.04 03:40:58" (2/2) ... [2024-04-28 15:40:58,755 INFO L112 eAbstractionObserver]: Analyzing ICFG inc-subseq-array.wvr.bpl [2024-04-28 15:40:58,762 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2024-04-28 15:40:58,768 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-04-28 15:40:58,768 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-04-28 15:40:58,768 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-04-28 15:40:58,797 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-04-28 15:40:58,823 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-04-28 15:40:58,824 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-04-28 15:40:58,824 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-28 15:40:58,826 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-04-28 15:40:58,833 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2024-04-28 15:40:58,856 INFO L187 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-04-28 15:40:58,866 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-28 15:40:58,867 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-04-28 15:40:58,872 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@68de5f15, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms], mConComChecker=BOTH, mConComCheckerCriterion=DEFAULT, mConComCheckerLimitedChecksCriterion=true, mConComCheckerCriterionLimit=10, mConComCheckerRandomProb=100, mConComCheckerRandomSeed=123, mConComCheckerConditionCriterion=false [2024-04-28 15:40:58,872 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2024-04-28 15:40:58,893 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-04-28 15:40:58,894 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-28 15:40:58,894 INFO L85 PathProgramCache]: Analyzing trace with hash 1302130147, now seen corresponding path program 1 times [2024-04-28 15:40:58,900 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-28 15:40:58,900 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1610093149] [2024-04-28 15:40:58,900 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-28 15:40:58,901 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-28 15:40:58,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-28 15:40:59,000 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-28 15:40:59,001 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-28 15:40:59,001 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1610093149] [2024-04-28 15:40:59,001 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1610093149] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-28 15:40:59,001 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-28 15:40:59,002 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-04-28 15:40:59,003 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [994210688] [2024-04-28 15:40:59,003 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-28 15:40:59,006 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-04-28 15:40:59,006 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-28 15:40:59,028 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-04-28 15:40:59,028 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-04-28 15:40:59,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-28 15:40:59,030 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-28 15:40:59,031 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-28 15:40:59,031 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-28 15:40:59,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-28 15:40:59,052 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-04-28 15:40:59,052 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-04-28 15:40:59,052 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-28 15:40:59,053 INFO L85 PathProgramCache]: Analyzing trace with hash -397927904, now seen corresponding path program 1 times [2024-04-28 15:40:59,053 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-28 15:40:59,053 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [236908765] [2024-04-28 15:40:59,053 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-28 15:40:59,053 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-28 15:40:59,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-28 15:40:59,140 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-28 15:40:59,140 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-28 15:40:59,140 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [236908765] [2024-04-28 15:40:59,140 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [236908765] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-28 15:40:59,140 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-28 15:40:59,140 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-04-28 15:40:59,140 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [373023050] [2024-04-28 15:40:59,141 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-28 15:40:59,142 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-04-28 15:40:59,142 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-28 15:40:59,144 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-04-28 15:40:59,144 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-04-28 15:40:59,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-28 15:40:59,144 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-28 15:40:59,144 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 4.5) internal successors, (18), 3 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-28 15:40:59,144 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-28 15:40:59,144 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-28 15:40:59,353 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 6 [2024-04-28 15:40:59,411 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 6 [2024-04-28 15:40:59,418 INFO L85 PathProgramCache]: Analyzing trace with hash 855562659, now seen corresponding path program 1 times [2024-04-28 15:40:59,419 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-28 15:40:59,420 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-28 15:40:59,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-28 15:40:59,441 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-28 15:40:59,442 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-28 15:40:59,442 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-28 15:40:59,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-28 15:40:59,453 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-28 15:40:59,454 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-04-28 15:40:59,454 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-04-28 15:40:59,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-28 15:40:59,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-28 15:40:59,614 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,SelfDestructingSolverStorable2,SelfDestructingSolverStorable1 [2024-04-28 15:40:59,614 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-04-28 15:40:59,615 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-28 15:40:59,615 INFO L85 PathProgramCache]: Analyzing trace with hash -585855702, now seen corresponding path program 1 times [2024-04-28 15:40:59,615 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-28 15:40:59,615 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1452518703] [2024-04-28 15:40:59,615 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-28 15:40:59,615 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-28 15:40:59,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-28 15:40:59,797 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-28 15:40:59,797 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-28 15:40:59,798 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1452518703] [2024-04-28 15:40:59,798 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1452518703] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-28 15:40:59,798 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [142984426] [2024-04-28 15:40:59,798 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-28 15:40:59,799 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-28 15:40:59,799 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-28 15:40:59,802 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-28 15:40:59,808 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-04-28 15:40:59,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-28 15:40:59,842 INFO L262 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 11 conjunts are in the unsatisfiable core [2024-04-28 15:40:59,846 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-28 15:40:59,927 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2024-04-28 15:40:59,947 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-04-28 15:40:59,961 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-28 15:40:59,962 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-28 15:41:00,038 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-28 15:41:00,038 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 15 treesize of output 19 [2024-04-28 15:41:00,067 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2024-04-28 15:41:00,102 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-28 15:41:00,103 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [142984426] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-28 15:41:00,103 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-28 15:41:00,103 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8, 8] total 11 [2024-04-28 15:41:00,103 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2042944057] [2024-04-28 15:41:00,103 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-28 15:41:00,103 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-04-28 15:41:00,103 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-28 15:41:00,171 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 6 [2024-04-28 15:41:00,194 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2024-04-28 15:41:00,227 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2024-04-28 15:41:00,250 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2024-04-28 15:41:00,270 INFO L85 PathProgramCache]: Analyzing trace with hash 855562659, now seen corresponding path program 2 times [2024-04-28 15:41:00,270 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-28 15:41:00,271 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-28 15:41:00,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-28 15:41:00,292 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-28 15:41:00,292 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-28 15:41:00,292 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-28 15:41:00,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-28 15:41:00,299 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-28 15:41:00,302 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-04-28 15:41:00,302 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=116, Unknown=0, NotChecked=0, Total=156 [2024-04-28 15:41:00,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-28 15:41:00,302 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-28 15:41:00,303 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 3.076923076923077) internal successors, (40), 13 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-28 15:41:00,303 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-28 15:41:00,303 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-28 15:41:00,303 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-28 15:41:00,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-28 15:41:00,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-28 15:41:00,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-28 15:41:00,556 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-04-28 15:41:00,751 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6,SelfDestructingSolverStorable5 [2024-04-28 15:41:00,751 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-04-28 15:41:00,752 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-28 15:41:00,752 INFO L85 PathProgramCache]: Analyzing trace with hash -1463763481, now seen corresponding path program 2 times [2024-04-28 15:41:00,752 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-28 15:41:00,752 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2031652757] [2024-04-28 15:41:00,752 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-28 15:41:00,753 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-28 15:41:00,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-28 15:41:00,821 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-28 15:41:00,821 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-28 15:41:00,822 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2031652757] [2024-04-28 15:41:00,822 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2031652757] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-28 15:41:00,823 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [582710840] [2024-04-28 15:41:00,826 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-04-28 15:41:00,827 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-28 15:41:00,827 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-28 15:41:00,828 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-28 15:41:00,852 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-04-28 15:41:00,856 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-04-28 15:41:00,856 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-28 15:41:00,856 INFO L262 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 4 conjunts are in the unsatisfiable core [2024-04-28 15:41:00,859 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-28 15:41:00,886 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-04-28 15:41:00,886 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-04-28 15:41:00,886 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [582710840] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-28 15:41:00,888 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-04-28 15:41:00,889 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 5 [2024-04-28 15:41:00,889 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [327386639] [2024-04-28 15:41:00,890 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-28 15:41:00,890 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-04-28 15:41:00,890 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-28 15:41:00,935 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 6 [2024-04-28 15:41:00,959 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 6 [2024-04-28 15:41:00,964 INFO L85 PathProgramCache]: Analyzing trace with hash 855562659, now seen corresponding path program 3 times [2024-04-28 15:41:00,964 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-28 15:41:00,964 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-28 15:41:00,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-28 15:41:00,983 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-28 15:41:00,983 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-28 15:41:00,983 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-28 15:41:00,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-28 15:41:01,001 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-28 15:41:01,003 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-04-28 15:41:01,003 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2024-04-28 15:41:01,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-28 15:41:01,003 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-28 15:41:01,003 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.0) internal successors, (35), 5 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-28 15:41:01,003 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-28 15:41:01,004 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-28 15:41:01,004 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-04-28 15:41:01,004 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-28 15:41:01,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-28 15:41:01,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-28 15:41:01,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-04-28 15:41:01,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-28 15:41:01,209 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-04-28 15:41:01,406 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,SelfDestructingSolverStorable7,4 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2024-04-28 15:41:01,407 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-04-28 15:41:01,407 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-28 15:41:01,407 INFO L85 PathProgramCache]: Analyzing trace with hash 555625923, now seen corresponding path program 3 times [2024-04-28 15:41:01,408 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-28 15:41:01,408 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [669424729] [2024-04-28 15:41:01,408 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-28 15:41:01,408 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-28 15:41:01,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-28 15:41:01,755 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-04-28 15:41:01,755 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-28 15:41:01,757 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [669424729] [2024-04-28 15:41:01,757 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [669424729] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-28 15:41:01,757 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [477724751] [2024-04-28 15:41:01,757 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-04-28 15:41:01,757 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-28 15:41:01,758 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-28 15:41:01,758 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-28 15:41:01,788 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-04-28 15:41:01,791 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2024-04-28 15:41:01,791 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-28 15:41:01,793 INFO L262 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 24 conjunts are in the unsatisfiable core [2024-04-28 15:41:01,795 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-28 15:41:02,019 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-28 15:41:02,020 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 26 [2024-04-28 15:41:02,072 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-28 15:41:02,072 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 24 treesize of output 30 [2024-04-28 15:41:02,168 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-28 15:41:02,168 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-28 15:41:02,473 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-28 15:41:02,474 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 34 treesize of output 38 [2024-04-28 15:41:02,625 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-28 15:41:02,626 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 69 treesize of output 127 [2024-04-28 15:41:02,816 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-28 15:41:02,816 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [477724751] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-28 15:41:02,816 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-28 15:41:02,816 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15, 15] total 37 [2024-04-28 15:41:02,817 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1990275390] [2024-04-28 15:41:02,817 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-28 15:41:02,817 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 38 states [2024-04-28 15:41:02,817 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-28 15:41:02,868 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 6 [2024-04-28 15:41:02,884 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2024-04-28 15:41:02,908 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2024-04-28 15:41:02,924 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2024-04-28 15:41:02,941 INFO L85 PathProgramCache]: Analyzing trace with hash 855562659, now seen corresponding path program 4 times [2024-04-28 15:41:02,941 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-28 15:41:02,941 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-28 15:41:02,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-28 15:41:02,947 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-28 15:41:02,947 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-28 15:41:02,947 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-28 15:41:02,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-28 15:41:02,969 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-28 15:41:03,070 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-28 15:41:03,070 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 26 [2024-04-28 15:41:03,091 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-28 15:41:03,091 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 7 [2024-04-28 15:41:03,129 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-28 15:41:03,129 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 19 [2024-04-28 15:41:03,159 INFO L85 PathProgramCache]: Analyzing trace with hash -1621804502, now seen corresponding path program 1 times [2024-04-28 15:41:03,160 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-28 15:41:03,160 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-28 15:41:03,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-28 15:41:03,171 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-04-28 15:41:03,171 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-28 15:41:03,171 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-28 15:41:03,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-28 15:41:03,180 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-04-28 15:41:03,184 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 39 interpolants. [2024-04-28 15:41:03,185 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=237, Invalid=1245, Unknown=0, NotChecked=0, Total=1482 [2024-04-28 15:41:03,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-28 15:41:03,185 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-28 15:41:03,185 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 39 states, 39 states have (on average 2.58974358974359) internal successors, (101), 39 states have internal predecessors, (101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-28 15:41:03,185 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-28 15:41:03,185 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-28 15:41:03,185 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-04-28 15:41:03,186 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-28 15:41:03,186 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-28 15:41:04,323 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-04-28 15:41:04,517 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,SelfDestructingSolverStorable11,SelfDestructingSolverStorable12,SelfDestructingSolverStorable13,5 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2024-04-28 15:41:04,518 FATAL L? ?]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: Function c_aux_v_i_41 is already defined. at de.uni_freiburg.informatik.ultimate.logic.NoopScript.declareFun(NoopScript.java:229) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Scriptor.declareFun(Scriptor.java:115) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.declareFun(WrapperScript.java:137) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.declareFun(WrapperScript.java:137) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.HistoryRecordingScript.declareFun(HistoryRecordingScript.java:95) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.ManagedScript.declareFun(ManagedScript.java:181) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.variables.ProgramVarUtils.constructConstantForAuxVar(ProgramVarUtils.java:117) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.UnmodifiableTransFormula.computeClosedFormula(UnmodifiableTransFormula.java:135) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.UnmodifiableTransFormula.(UnmodifiableTransFormula.java:90) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.finishConstruction(TransFormulaBuilder.java:320) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition(TransFormulaUtils.java:324) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.SemanticIndependenceConditionGenerator.compose(SemanticIndependenceConditionGenerator.java:178) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.SemanticIndependenceConditionGenerator.withGuard(SemanticIndependenceConditionGenerator.java:186) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.SemanticIndependenceConditionGenerator.generateCondition(SemanticIndependenceConditionGenerator.java:135) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.ConditionalCommutativityChecker.checkConditionalCommutativity(ConditionalCommutativityChecker.java:134) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.ConditionalCommutativityCheckerVisitor.discoverState(ConditionalCommutativityCheckerVisitor.java:186) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.ConditionalCommutativityCheckerVisitor.discoverState(ConditionalCommutativityCheckerVisitor.java:1) at de.uni_freiburg.informatik.ultimate.automata.partialorder.visitors.DeadEndOptimizingSearchVisitor.discoverState(DeadEndOptimizingSearchVisitor.java:73) at de.uni_freiburg.informatik.ultimate.automata.partialorder.DepthFirstTraversal.visitState(DepthFirstTraversal.java:222) at de.uni_freiburg.informatik.ultimate.automata.partialorder.DepthFirstTraversal.traverse(DepthFirstTraversal.java:165) at de.uni_freiburg.informatik.ultimate.automata.partialorder.DepthFirstTraversal.(DepthFirstTraversal.java:98) at de.uni_freiburg.informatik.ultimate.automata.partialorder.DepthFirstTraversal.traverse(DepthFirstTraversal.java:122) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.PartialOrderReductionFacade.apply(PartialOrderReductionFacade.java:321) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.concurrency.PartialOrderCegarLoop.isAbstractionEmpty(PartialOrderCegarLoop.java:328) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:466) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:366) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:415) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:302) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseConcurrentProgram(TraceAbstractionStarter.java:225) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:173) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:154) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-04-28 15:41:04,521 INFO L158 Benchmark]: Toolchain (without parser) took 6030.08ms. Allocated memory was 154.1MB in the beginning and 270.5MB in the end (delta: 116.4MB). Free memory was 127.2MB in the beginning and 206.5MB in the end (delta: -79.4MB). Peak memory consumption was 37.6MB. Max. memory is 8.0GB. [2024-04-28 15:41:04,521 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.10ms. Allocated memory is still 154.1MB. Free memory is still 128.2MB. There was no memory consumed. Max. memory is 8.0GB. [2024-04-28 15:41:04,522 INFO L158 Benchmark]: Boogie Procedure Inliner took 19.55ms. Allocated memory is still 154.1MB. Free memory was 127.0MB in the beginning and 125.5MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2024-04-28 15:41:04,522 INFO L158 Benchmark]: Boogie Preprocessor took 16.83ms. Allocated memory is still 154.1MB. Free memory was 125.5MB in the beginning and 124.4MB in the end (delta: 1.0MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2024-04-28 15:41:04,522 INFO L158 Benchmark]: RCFGBuilder took 202.21ms. Allocated memory is still 154.1MB. Free memory was 124.4MB in the beginning and 114.1MB in the end (delta: 10.3MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. [2024-04-28 15:41:04,522 INFO L158 Benchmark]: TraceAbstraction took 5787.32ms. Allocated memory was 154.1MB in the beginning and 270.5MB in the end (delta: 116.4MB). Free memory was 112.9MB in the beginning and 206.5MB in the end (delta: -93.7MB). Peak memory consumption was 22.9MB. Max. memory is 8.0GB. [2024-04-28 15:41:04,523 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.10ms. Allocated memory is still 154.1MB. Free memory is still 128.2MB. There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 19.55ms. Allocated memory is still 154.1MB. Free memory was 127.0MB in the beginning and 125.5MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * Boogie Preprocessor took 16.83ms. Allocated memory is still 154.1MB. Free memory was 125.5MB in the beginning and 124.4MB in the end (delta: 1.0MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 202.21ms. Allocated memory is still 154.1MB. Free memory was 124.4MB in the beginning and 114.1MB in the end (delta: 10.3MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. * TraceAbstraction took 5787.32ms. Allocated memory was 154.1MB in the beginning and 270.5MB in the end (delta: 116.4MB). Free memory was 112.9MB in the beginning and 206.5MB in the end (delta: -93.7MB). Peak memory consumption was 22.9MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: SMTLIBException: Function c_aux_v_i_41 is already defined. de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMTLIBException: Function c_aux_v_i_41 is already defined.: de.uni_freiburg.informatik.ultimate.logic.NoopScript.declareFun(NoopScript.java:229) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-04-28 15:41:04,543 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2024-04-28 15:41:04,746 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...