/root/.sdkman/candidates/java/21.0.5-tem/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata ./data -tc ../benchexec/../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../benchexec/../../../trunk/examples/settings/default/gemcutter/svcomp-Reach-32bit-GemCutter_Default.epf -i ../../../trunk/examples/svcomp/pthread-C-DAC/pthread-demo-datarace-1.i -------------------------------------------------------------------------------- This is Ultimate 0.3.0-dev-4cc0a57-m [2025-04-14 11:36:27,195 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-04-14 11:36:27,246 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../benchexec/../../../trunk/examples/settings/default/gemcutter/svcomp-Reach-32bit-GemCutter_Default.epf [2025-04-14 11:36:27,252 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-04-14 11:36:27,253 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-04-14 11:36:27,271 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-04-14 11:36:27,271 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-04-14 11:36:27,271 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-04-14 11:36:27,272 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-04-14 11:36:27,272 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-04-14 11:36:27,273 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-04-14 11:36:27,273 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-04-14 11:36:27,273 INFO L153 SettingsManager]: * Use SBE=true [2025-04-14 11:36:27,273 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-04-14 11:36:27,274 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-04-14 11:36:27,274 INFO L153 SettingsManager]: * sizeof long=4 [2025-04-14 11:36:27,274 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-04-14 11:36:27,274 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-04-14 11:36:27,274 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-04-14 11:36:27,274 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-04-14 11:36:27,274 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-04-14 11:36:27,274 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-04-14 11:36:27,274 INFO L153 SettingsManager]: * sizeof long double=12 [2025-04-14 11:36:27,274 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-04-14 11:36:27,274 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-04-14 11:36:27,274 INFO L153 SettingsManager]: * Use constant arrays=true [2025-04-14 11:36:27,274 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-04-14 11:36:27,274 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-04-14 11:36:27,274 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-04-14 11:36:27,274 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-04-14 11:36:27,275 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-04-14 11:36:27,275 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-04-14 11:36:27,275 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-04-14 11:36:27,275 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-04-14 11:36:27,275 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-04-14 11:36:27,275 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-04-14 11:36:27,275 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-04-14 11:36:27,275 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-04-14 11:36:27,275 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-04-14 11:36:27,275 INFO L153 SettingsManager]: * Commutativity condition synthesis=NECESSARY_AND_SUFFICIENT [2025-04-14 11:36:27,275 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-04-14 11:36:27,275 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-04-14 11:36:27,275 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2025-04-14 11:36:27,275 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-04-14 11:36:27,275 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2025-04-14 11:36:27,275 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2025-04-14 11:36:27,275 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2025-04-14 11:36:27,276 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-04-14 11:36:27,496 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-04-14 11:36:27,504 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-04-14 11:36:27,505 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-04-14 11:36:27,506 INFO L270 PluginConnector]: Initializing CDTParser... [2025-04-14 11:36:27,506 INFO L274 PluginConnector]: CDTParser initialized [2025-04-14 11:36:27,509 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-C-DAC/pthread-demo-datarace-1.i [2025-04-14 11:36:28,807 INFO L538 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fe0dbe455/6520d8608ae04eb2b8e26d391d6a54e6/FLAG6defcb15f [2025-04-14 11:36:29,083 INFO L389 CDTParser]: Found 1 translation units. [2025-04-14 11:36:29,083 INFO L178 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-C-DAC/pthread-demo-datarace-1.i [2025-04-14 11:36:29,098 INFO L432 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fe0dbe455/6520d8608ae04eb2b8e26d391d6a54e6/FLAG6defcb15f [2025-04-14 11:36:29,856 INFO L440 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fe0dbe455/6520d8608ae04eb2b8e26d391d6a54e6 [2025-04-14 11:36:29,858 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-04-14 11:36:29,859 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2025-04-14 11:36:29,860 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-04-14 11:36:29,860 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-04-14 11:36:29,863 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-04-14 11:36:29,863 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.04 11:36:29" (1/1) ... [2025-04-14 11:36:29,864 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5bccc917 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 11:36:29, skipping insertion in model container [2025-04-14 11:36:29,864 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.04 11:36:29" (1/1) ... [2025-04-14 11:36:29,890 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-04-14 11:36:30,053 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-C-DAC/pthread-demo-datarace-1.i[820,833] [2025-04-14 11:36:30,262 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-04-14 11:36:30,274 INFO L200 MainTranslator]: Completed pre-run [2025-04-14 11:36:30,287 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-C-DAC/pthread-demo-datarace-1.i[820,833] [2025-04-14 11:36:30,318 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-04-14 11:36:30,372 INFO L204 MainTranslator]: Completed translation [2025-04-14 11:36:30,372 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 11:36:30 WrapperNode [2025-04-14 11:36:30,372 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-04-14 11:36:30,373 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-04-14 11:36:30,373 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-04-14 11:36:30,373 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-04-14 11:36:30,377 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 11:36:30" (1/1) ... [2025-04-14 11:36:30,391 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 11:36:30" (1/1) ... [2025-04-14 11:36:30,406 INFO L138 Inliner]: procedures = 364, calls = 18, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 60 [2025-04-14 11:36:30,406 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-04-14 11:36:30,407 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-04-14 11:36:30,407 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-04-14 11:36:30,407 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-04-14 11:36:30,411 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 11:36:30" (1/1) ... [2025-04-14 11:36:30,411 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 11:36:30" (1/1) ... [2025-04-14 11:36:30,413 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 11:36:30" (1/1) ... [2025-04-14 11:36:30,413 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 11:36:30" (1/1) ... [2025-04-14 11:36:30,416 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 11:36:30" (1/1) ... [2025-04-14 11:36:30,416 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 11:36:30" (1/1) ... [2025-04-14 11:36:30,422 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 11:36:30" (1/1) ... [2025-04-14 11:36:30,423 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 11:36:30" (1/1) ... [2025-04-14 11:36:30,424 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 11:36:30" (1/1) ... [2025-04-14 11:36:30,426 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-04-14 11:36:30,427 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-04-14 11:36:30,427 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-04-14 11:36:30,427 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-04-14 11:36:30,427 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 11:36:30" (1/1) ... [2025-04-14 11:36:30,433 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-04-14 11:36:30,444 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-14 11:36:30,454 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-04-14 11:36:30,457 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-04-14 11:36:30,471 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2025-04-14 11:36:30,471 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2025-04-14 11:36:30,471 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-04-14 11:36:30,471 INFO L130 BoogieDeclarations]: Found specification of procedure thread_function_mutex [2025-04-14 11:36:30,471 INFO L138 BoogieDeclarations]: Found implementation of procedure thread_function_mutex [2025-04-14 11:36:30,471 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2025-04-14 11:36:30,471 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-04-14 11:36:30,471 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-04-14 11:36:30,472 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2025-04-14 11:36:30,569 INFO L234 CfgBuilder]: Building ICFG [2025-04-14 11:36:30,571 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-04-14 11:36:30,687 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-04-14 11:36:30,687 INFO L283 CfgBuilder]: Performing block encoding [2025-04-14 11:36:30,766 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-04-14 11:36:30,766 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2025-04-14 11:36:30,767 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.04 11:36:30 BoogieIcfgContainer [2025-04-14 11:36:30,767 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-04-14 11:36:30,768 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-04-14 11:36:30,768 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-04-14 11:36:30,773 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-04-14 11:36:30,773 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.04 11:36:29" (1/3) ... [2025-04-14 11:36:30,773 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@8ab9c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.04 11:36:30, skipping insertion in model container [2025-04-14 11:36:30,773 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 11:36:30" (2/3) ... [2025-04-14 11:36:30,773 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@8ab9c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.04 11:36:30, skipping insertion in model container [2025-04-14 11:36:30,774 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.04 11:36:30" (3/3) ... [2025-04-14 11:36:30,775 INFO L128 eAbstractionObserver]: Analyzing ICFG pthread-demo-datarace-1.i [2025-04-14 11:36:30,784 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-04-14 11:36:30,786 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG pthread-demo-datarace-1.i that has 2 procedures, 22 locations, 23 edges, 1 initial locations, 2 loop locations, and 1 error locations. [2025-04-14 11:36:30,786 INFO L490 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-04-14 11:36:30,822 INFO L143 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2025-04-14 11:36:30,850 INFO L125 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-04-14 11:36:30,850 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2025-04-14 11:36:30,850 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-14 11:36:30,852 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2025-04-14 11:36:30,854 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2025-04-14 11:36:30,915 INFO L177 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2025-04-14 11:36:30,926 INFO L339 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2025-04-14 11:36:30,931 INFO L340 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, 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;@2b8d803f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-04-14 11:36:30,931 INFO L341 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2025-04-14 11:36:31,029 INFO L403 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-04-14 11:36:31,029 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 11:36:31,029 INFO L139 ounterexampleChecker]: Examining path program with hash -1002364952, occurence #1 [2025-04-14 11:36:31,029 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-14 11:36:31,030 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 11:36:31,033 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 11:36:31,033 INFO L85 PathProgramCache]: Analyzing trace with hash -543277899, now seen corresponding path program 1 times [2025-04-14 11:36:31,038 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 11:36:31,039 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1312380883] [2025-04-14 11:36:31,039 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 11:36:31,039 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 11:36:31,091 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 15 statements into 1 equivalence classes. [2025-04-14 11:36:31,105 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 15 of 15 statements. [2025-04-14 11:36:31,105 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 11:36:31,106 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 11:36:31,187 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-14 11:36:31,188 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 11:36:31,188 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1312380883] [2025-04-14 11:36:31,188 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1312380883] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-14 11:36:31,188 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-14 11:36:31,188 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-04-14 11:36:31,189 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [284144607] [2025-04-14 11:36:31,190 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-14 11:36:31,192 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-04-14 11:36:31,192 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 11:36:31,204 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-04-14 11:36:31,205 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-04-14 11:36:31,205 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 11:36:31,206 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 11:36:31,207 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 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) [2025-04-14 11:36:31,207 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 11:36:31,289 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 11:36:31,290 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-04-14 11:36:31,290 INFO L403 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-04-14 11:36:31,290 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 11:36:31,290 INFO L139 ounterexampleChecker]: Examining path program with hash -1452009296, occurence #1 [2025-04-14 11:36:31,290 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-14 11:36:31,290 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 11:36:31,290 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 11:36:31,290 INFO L85 PathProgramCache]: Analyzing trace with hash -167581484, now seen corresponding path program 1 times [2025-04-14 11:36:31,290 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 11:36:31,290 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [598183346] [2025-04-14 11:36:31,291 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 11:36:31,291 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 11:36:31,306 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 25 statements into 1 equivalence classes. [2025-04-14 11:36:31,325 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 25 of 25 statements. [2025-04-14 11:36:31,325 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 11:36:31,325 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 11:36:31,424 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-14 11:36:31,425 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 11:36:31,425 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [598183346] [2025-04-14 11:36:31,425 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [598183346] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 11:36:31,425 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2086278365] [2025-04-14 11:36:31,425 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 11:36:31,425 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-14 11:36:31,425 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-14 11:36:31,428 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-04-14 11:36:31,429 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2025-04-14 11:36:31,472 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 25 statements into 1 equivalence classes. [2025-04-14 11:36:31,497 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 25 of 25 statements. [2025-04-14 11:36:31,497 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 11:36:31,497 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 11:36:31,499 INFO L256 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-04-14 11:36:31,501 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 11:36:31,545 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-14 11:36:31,545 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-14 11:36:31,579 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-14 11:36:31,579 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2086278365] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-14 11:36:31,579 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-14 11:36:31,579 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 7 [2025-04-14 11:36:31,579 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [493126873] [2025-04-14 11:36:31,580 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-14 11:36:31,580 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-04-14 11:36:31,580 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 11:36:31,580 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-04-14 11:36:31,581 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2025-04-14 11:36:31,581 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 11:36:31,581 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 11:36:31,581 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.571428571428571) internal successors, (53), 7 states have internal predecessors, (53), 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) [2025-04-14 11:36:31,581 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 11:36:31,581 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 11:36:31,669 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 11:36:31,670 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-14 11:36:31,677 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2025-04-14 11:36:31,874 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2025-04-14 11:36:31,874 INFO L403 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-04-14 11:36:31,874 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 11:36:31,874 INFO L139 ounterexampleChecker]: Examining path program with hash -1452009296, occurence #2 [2025-04-14 11:36:31,874 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-14 11:36:31,875 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1 [2025-04-14 11:36:31,885 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 11:36:31,885 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 9 [2025-04-14 11:36:31,885 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:36:31,885 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 10 [2025-04-14 11:36:31,885 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:36:31,885 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 11 [2025-04-14 11:36:31,885 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:36:31,885 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 19 [2025-04-14 11:36:31,885 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:36:31,885 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 20 [2025-04-14 11:36:31,885 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:36:31,885 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 21 [2025-04-14 11:36:31,885 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:36:31,885 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 29 [2025-04-14 11:36:31,885 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:36:31,885 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 30 [2025-04-14 11:36:31,885 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:36:31,886 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 31 [2025-04-14 11:36:31,886 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:36:31,886 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 39 [2025-04-14 11:36:31,886 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:36:31,886 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 40 [2025-04-14 11:36:31,886 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:36:31,886 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 41 [2025-04-14 11:36:31,886 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:36:31,886 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 51 [2025-04-14 11:36:31,886 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 11:36:31,886 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-04-14 11:36:31,886 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 11:36:31,886 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 11:36:31,886 INFO L85 PathProgramCache]: Analyzing trace with hash 355372209, now seen corresponding path program 2 times [2025-04-14 11:36:31,887 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 11:36:31,887 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1717623297] [2025-04-14 11:36:31,887 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-14 11:36:31,887 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 11:36:31,900 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 55 statements into 2 equivalence classes. [2025-04-14 11:36:31,922 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 55 of 55 statements. [2025-04-14 11:36:31,923 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-04-14 11:36:31,923 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 11:36:32,093 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 84 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-14 11:36:32,093 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 11:36:32,093 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1717623297] [2025-04-14 11:36:32,093 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1717623297] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 11:36:32,093 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1884002633] [2025-04-14 11:36:32,093 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-14 11:36:32,093 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-14 11:36:32,093 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-14 11:36:32,095 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-04-14 11:36:32,098 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2025-04-14 11:36:32,151 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 55 statements into 2 equivalence classes. [2025-04-14 11:36:32,179 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 55 of 55 statements. [2025-04-14 11:36:32,179 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-04-14 11:36:32,179 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 11:36:32,180 INFO L256 TraceCheckSpWp]: Trace formula consists of 259 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-04-14 11:36:32,181 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 11:36:32,289 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 84 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-14 11:36:32,290 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-14 11:36:32,418 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 84 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-14 11:36:32,419 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1884002633] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-14 11:36:32,419 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-14 11:36:32,419 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 8, 8] total 19 [2025-04-14 11:36:32,419 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1864931711] [2025-04-14 11:36:32,419 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-14 11:36:32,419 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2025-04-14 11:36:32,419 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 11:36:32,420 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2025-04-14 11:36:32,420 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=111, Invalid=231, Unknown=0, NotChecked=0, Total=342 [2025-04-14 11:36:32,420 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 11:36:32,420 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 11:36:32,420 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 8.052631578947368) internal successors, (153), 19 states have internal predecessors, (153), 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) [2025-04-14 11:36:32,420 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 11:36:32,420 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-14 11:36:32,420 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 11:36:32,678 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 11:36:32,679 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-14 11:36:32,680 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-04-14 11:36:32,685 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2025-04-14 11:36:32,880 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-14 11:36:32,880 INFO L403 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-04-14 11:36:32,880 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 11:36:32,881 INFO L139 ounterexampleChecker]: Examining path program with hash -1342360272, occurence #1 [2025-04-14 11:36:32,881 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-14 11:36:32,881 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 11:36:32,881 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 11:36:32,881 INFO L85 PathProgramCache]: Analyzing trace with hash 1729369584, now seen corresponding path program 3 times [2025-04-14 11:36:32,881 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 11:36:32,881 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1587929049] [2025-04-14 11:36:32,881 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-04-14 11:36:32,881 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 11:36:32,903 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 95 statements into 7 equivalence classes. [2025-04-14 11:36:32,942 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) and asserted 90 of 95 statements. [2025-04-14 11:36:32,943 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2025-04-14 11:36:32,944 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 11:36:33,108 INFO L134 CoverageAnalysis]: Checked inductivity of 211 backedges. 0 proven. 130 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2025-04-14 11:36:33,109 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 11:36:33,109 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1587929049] [2025-04-14 11:36:33,109 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1587929049] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 11:36:33,109 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1104122695] [2025-04-14 11:36:33,109 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-04-14 11:36:33,109 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-14 11:36:33,109 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-14 11:36:33,112 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-04-14 11:36:33,113 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2025-04-14 11:36:33,164 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 95 statements into 7 equivalence classes. [2025-04-14 11:36:33,227 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) and asserted 90 of 95 statements. [2025-04-14 11:36:33,227 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2025-04-14 11:36:33,227 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 11:36:33,230 INFO L256 TraceCheckSpWp]: Trace formula consists of 404 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-04-14 11:36:33,232 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 11:36:33,294 INFO L134 CoverageAnalysis]: Checked inductivity of 211 backedges. 0 proven. 130 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2025-04-14 11:36:33,295 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-14 11:36:33,411 INFO L134 CoverageAnalysis]: Checked inductivity of 211 backedges. 0 proven. 130 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2025-04-14 11:36:33,411 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1104122695] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-14 11:36:33,412 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-14 11:36:33,412 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 15 [2025-04-14 11:36:33,412 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1356836723] [2025-04-14 11:36:33,412 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-14 11:36:33,412 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2025-04-14 11:36:33,412 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 11:36:33,413 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2025-04-14 11:36:33,413 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=105, Invalid=105, Unknown=0, NotChecked=0, Total=210 [2025-04-14 11:36:33,413 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 11:36:33,413 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 11:36:33,413 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 9.2) internal successors, (138), 15 states have internal predecessors, (138), 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) [2025-04-14 11:36:33,413 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 11:36:33,413 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-14 11:36:33,413 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-04-14 11:36:33,413 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 11:36:33,600 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 11:36:33,600 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-14 11:36:33,600 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-04-14 11:36:33,600 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-04-14 11:36:33,606 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2025-04-14 11:36:33,802 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-14 11:36:33,802 INFO L403 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-04-14 11:36:33,802 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 11:36:33,803 INFO L139 ounterexampleChecker]: Examining path program with hash -1452009296, occurence #3 [2025-04-14 11:36:33,803 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-14 11:36:33,803 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1 [2025-04-14 11:36:33,803 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 11:36:33,803 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 9 [2025-04-14 11:36:33,803 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:36:33,803 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 10 [2025-04-14 11:36:33,803 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:36:33,803 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 11 [2025-04-14 11:36:33,803 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:36:33,803 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 19 [2025-04-14 11:36:33,803 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:36:33,803 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 20 [2025-04-14 11:36:33,803 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:36:33,803 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 21 [2025-04-14 11:36:33,803 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:36:33,803 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 29 [2025-04-14 11:36:33,803 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:36:33,803 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 30 [2025-04-14 11:36:33,803 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:36:33,803 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 31 [2025-04-14 11:36:33,803 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:36:33,804 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 39 [2025-04-14 11:36:33,804 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:36:33,804 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 40 [2025-04-14 11:36:33,804 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:36:33,804 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 41 [2025-04-14 11:36:33,804 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:36:33,804 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 49 [2025-04-14 11:36:33,804 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:36:33,804 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 50 [2025-04-14 11:36:33,804 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:36:33,804 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 51 [2025-04-14 11:36:33,804 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:36:33,804 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 59 [2025-04-14 11:36:33,804 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:36:33,804 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 60 [2025-04-14 11:36:33,804 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:36:33,804 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 61 [2025-04-14 11:36:33,804 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:36:33,804 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 69 [2025-04-14 11:36:33,804 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:36:33,804 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 70 [2025-04-14 11:36:33,804 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:36:33,804 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 71 [2025-04-14 11:36:33,804 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:36:33,804 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 79 [2025-04-14 11:36:33,804 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:36:33,805 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 80 [2025-04-14 11:36:33,805 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:36:33,805 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 81 [2025-04-14 11:36:33,805 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:36:33,805 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 89 [2025-04-14 11:36:33,805 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:36:33,805 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 90 [2025-04-14 11:36:33,805 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:36:33,805 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 91 [2025-04-14 11:36:33,805 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:36:33,805 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 99 [2025-04-14 11:36:33,805 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:36:33,805 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 100 [2025-04-14 11:36:33,805 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:36:33,805 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 101 [2025-04-14 11:36:33,805 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:36:33,805 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 109 [2025-04-14 11:36:33,805 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:36:33,805 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 110 [2025-04-14 11:36:33,805 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:36:33,805 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 111 [2025-04-14 11:36:33,805 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:36:33,805 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 119 [2025-04-14 11:36:33,805 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:36:33,805 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 120 [2025-04-14 11:36:33,806 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:36:33,806 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 121 [2025-04-14 11:36:33,806 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:36:33,806 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 131 [2025-04-14 11:36:33,806 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 11:36:33,806 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-04-14 11:36:33,806 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 11:36:33,806 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 11:36:33,806 INFO L85 PathProgramCache]: Analyzing trace with hash 1413032105, now seen corresponding path program 4 times [2025-04-14 11:36:33,806 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 11:36:33,806 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1461835580] [2025-04-14 11:36:33,806 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-04-14 11:36:33,807 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 11:36:33,823 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 135 statements into 2 equivalence classes. [2025-04-14 11:36:33,853 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 135 of 135 statements. [2025-04-14 11:36:33,854 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-04-14 11:36:33,854 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 11:36:34,176 INFO L134 CoverageAnalysis]: Checked inductivity of 732 backedges. 0 proven. 732 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-14 11:36:34,177 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 11:36:34,177 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1461835580] [2025-04-14 11:36:34,177 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1461835580] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 11:36:34,177 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1080785391] [2025-04-14 11:36:34,177 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-04-14 11:36:34,177 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-14 11:36:34,177 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-14 11:36:34,179 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-04-14 11:36:34,180 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2025-04-14 11:36:34,245 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 135 statements into 2 equivalence classes. [2025-04-14 11:36:34,332 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 135 of 135 statements. [2025-04-14 11:36:34,333 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-04-14 11:36:34,333 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 11:36:34,335 INFO L256 TraceCheckSpWp]: Trace formula consists of 579 conjuncts, 14 conjuncts are in the unsatisfiable core [2025-04-14 11:36:34,337 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 11:36:34,466 INFO L134 CoverageAnalysis]: Checked inductivity of 732 backedges. 0 proven. 732 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-14 11:36:34,466 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-14 11:36:34,743 INFO L134 CoverageAnalysis]: Checked inductivity of 732 backedges. 0 proven. 732 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-14 11:36:34,743 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1080785391] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-14 11:36:34,743 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-14 11:36:34,743 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15, 15] total 22 [2025-04-14 11:36:34,743 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [451318134] [2025-04-14 11:36:34,743 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-14 11:36:34,744 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2025-04-14 11:36:34,744 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 11:36:34,745 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2025-04-14 11:36:34,745 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=231, Invalid=231, Unknown=0, NotChecked=0, Total=462 [2025-04-14 11:36:34,745 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 11:36:34,745 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 11:36:34,745 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 9.409090909090908) internal successors, (207), 22 states have internal predecessors, (207), 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) [2025-04-14 11:36:34,745 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 11:36:34,745 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-14 11:36:34,745 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-04-14 11:36:34,746 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2025-04-14 11:36:34,746 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 11:36:34,958 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 11:36:34,958 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-14 11:36:34,958 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-04-14 11:36:34,958 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-04-14 11:36:34,958 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2025-04-14 11:36:34,966 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2025-04-14 11:36:35,162 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-14 11:36:35,162 INFO L403 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-04-14 11:36:35,162 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 11:36:35,162 INFO L139 ounterexampleChecker]: Examining path program with hash -1452009296, occurence #4 [2025-04-14 11:36:35,162 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-14 11:36:35,162 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1 [2025-04-14 11:36:35,163 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 11:36:35,163 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 9 [2025-04-14 11:36:35,163 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:36:35,163 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 10 [2025-04-14 11:36:35,163 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:36:35,163 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 11 [2025-04-14 11:36:35,163 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:36:35,163 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 19 [2025-04-14 11:36:35,163 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:36:35,163 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 20 [2025-04-14 11:36:35,163 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:36:35,163 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 21 [2025-04-14 11:36:35,163 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:36:35,163 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 29 [2025-04-14 11:36:35,163 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:36:35,163 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 30 [2025-04-14 11:36:35,163 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:36:35,163 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 31 [2025-04-14 11:36:35,163 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:36:35,163 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 39 [2025-04-14 11:36:35,163 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:36:35,164 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 40 [2025-04-14 11:36:35,164 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:36:35,164 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 41 [2025-04-14 11:36:35,164 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:36:35,164 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 49 [2025-04-14 11:36:35,164 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:36:35,164 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 50 [2025-04-14 11:36:35,164 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:36:35,164 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 51 [2025-04-14 11:36:35,164 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:36:35,164 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 59 [2025-04-14 11:36:35,164 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:36:35,164 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 60 [2025-04-14 11:36:35,164 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:36:35,164 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 61 [2025-04-14 11:36:35,164 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:36:35,164 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 69 [2025-04-14 11:36:35,164 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:36:35,164 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 70 [2025-04-14 11:36:35,164 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:36:35,164 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 71 [2025-04-14 11:36:35,164 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:36:35,164 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 79 [2025-04-14 11:36:35,164 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:36:35,164 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 80 [2025-04-14 11:36:35,164 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:36:35,164 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 81 [2025-04-14 11:36:35,165 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:36:35,165 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 89 [2025-04-14 11:36:35,165 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:36:35,165 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 90 [2025-04-14 11:36:35,165 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:36:35,165 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 91 [2025-04-14 11:36:35,165 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:36:35,165 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 99 [2025-04-14 11:36:35,165 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:36:35,165 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 100 [2025-04-14 11:36:35,165 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:36:35,165 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 101 [2025-04-14 11:36:35,165 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:36:35,165 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 109 [2025-04-14 11:36:35,165 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:36:35,165 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 110 [2025-04-14 11:36:35,165 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:36:35,165 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 111 [2025-04-14 11:36:35,165 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:36:35,165 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 119 [2025-04-14 11:36:35,165 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:36:35,165 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 120 [2025-04-14 11:36:35,165 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:36:35,165 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 121 [2025-04-14 11:36:35,165 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:36:35,165 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 129 [2025-04-14 11:36:35,166 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:36:35,166 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 130 [2025-04-14 11:36:35,166 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:36:35,166 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 131 [2025-04-14 11:36:35,166 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:36:35,166 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 139 [2025-04-14 11:36:35,166 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:36:35,166 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 140 [2025-04-14 11:36:35,166 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:36:35,166 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 141 [2025-04-14 11:36:35,166 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:36:35,166 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 149 [2025-04-14 11:36:35,166 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:36:35,166 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 150 [2025-04-14 11:36:35,166 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:36:35,166 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 151 [2025-04-14 11:36:35,166 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:36:35,166 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 159 [2025-04-14 11:36:35,166 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:36:35,166 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 160 [2025-04-14 11:36:35,166 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:36:35,166 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 161 [2025-04-14 11:36:35,166 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:36:35,166 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 169 [2025-04-14 11:36:35,166 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:36:35,167 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 170 [2025-04-14 11:36:35,167 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:36:35,167 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 171 [2025-04-14 11:36:35,167 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:36:35,167 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 179 [2025-04-14 11:36:35,167 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:36:35,167 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 180 [2025-04-14 11:36:35,167 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:36:35,167 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 181 [2025-04-14 11:36:35,167 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:36:35,167 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 189 [2025-04-14 11:36:35,167 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:36:35,167 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 190 [2025-04-14 11:36:35,167 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:36:35,167 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 191 [2025-04-14 11:36:35,167 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:36:35,167 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 199 [2025-04-14 11:36:35,167 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:36:35,167 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 200 [2025-04-14 11:36:35,167 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:36:35,167 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 201 [2025-04-14 11:36:35,167 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:36:35,167 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 211 [2025-04-14 11:36:35,167 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 11:36:35,167 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-04-14 11:36:35,167 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 11:36:35,169 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 11:36:35,169 INFO L85 PathProgramCache]: Analyzing trace with hash -606006111, now seen corresponding path program 5 times [2025-04-14 11:36:35,169 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 11:36:35,169 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [566526013] [2025-04-14 11:36:35,169 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-04-14 11:36:35,169 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 11:36:35,194 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 215 statements into 21 equivalence classes. [2025-04-14 11:36:35,290 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 21 check-sat command(s) and asserted 215 of 215 statements. [2025-04-14 11:36:35,290 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 21 check-sat command(s) [2025-04-14 11:36:35,290 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 11:36:36,029 INFO L134 CoverageAnalysis]: Checked inductivity of 2020 backedges. 2020 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-14 11:36:36,029 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 11:36:36,029 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [566526013] [2025-04-14 11:36:36,029 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [566526013] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-14 11:36:36,030 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-14 11:36:36,030 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [23] imperfect sequences [] total 23 [2025-04-14 11:36:36,030 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [730939395] [2025-04-14 11:36:36,030 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-14 11:36:36,030 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2025-04-14 11:36:36,030 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 11:36:36,031 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2025-04-14 11:36:36,031 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=253, Invalid=253, Unknown=0, NotChecked=0, Total=506 [2025-04-14 11:36:36,031 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 11:36:36,031 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 11:36:36,031 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 9.347826086956522) internal successors, (215), 23 states have internal predecessors, (215), 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) [2025-04-14 11:36:36,031 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 11:36:36,031 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-14 11:36:36,031 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-04-14 11:36:36,031 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2025-04-14 11:36:36,031 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2025-04-14 11:36:36,031 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 11:36:36,429 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 11:36:36,429 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-14 11:36:36,429 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-04-14 11:36:36,429 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-04-14 11:36:36,429 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2025-04-14 11:36:36,429 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2025-04-14 11:36:36,429 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2025-04-14 11:36:36,430 INFO L403 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-04-14 11:36:36,430 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 11:36:36,430 INFO L139 ounterexampleChecker]: Examining path program with hash 1223453878, occurence #1 [2025-04-14 11:36:36,430 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-14 11:36:36,430 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 11:36:36,430 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 11:36:36,430 INFO L85 PathProgramCache]: Analyzing trace with hash -2007654064, now seen corresponding path program 6 times [2025-04-14 11:36:36,430 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 11:36:36,430 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [858018181] [2025-04-14 11:36:36,431 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-04-14 11:36:36,431 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 11:36:36,460 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 210 statements into 21 equivalence classes. [2025-04-14 11:36:36,532 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 21 check-sat command(s) and asserted 210 of 210 statements. [2025-04-14 11:36:36,532 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 21 check-sat command(s) [2025-04-14 11:36:36,532 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 11:36:38,464 INFO L134 CoverageAnalysis]: Checked inductivity of 1920 backedges. 0 proven. 1920 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-14 11:36:38,464 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 11:36:38,464 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [858018181] [2025-04-14 11:36:38,464 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [858018181] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 11:36:38,464 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [392341903] [2025-04-14 11:36:38,464 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-04-14 11:36:38,464 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-14 11:36:38,464 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-14 11:36:38,466 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-04-14 11:36:38,468 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2025-04-14 11:36:38,557 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 210 statements into 21 equivalence classes. [2025-04-14 11:36:38,798 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 21 check-sat command(s) and asserted 210 of 210 statements. [2025-04-14 11:36:38,798 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 21 check-sat command(s) [2025-04-14 11:36:38,798 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 11:36:38,802 INFO L256 TraceCheckSpWp]: Trace formula consists of 878 conjuncts, 128 conjuncts are in the unsatisfiable core [2025-04-14 11:36:38,807 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 11:36:39,056 INFO L134 CoverageAnalysis]: Checked inductivity of 1920 backedges. 0 proven. 1920 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-14 11:36:39,056 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-14 11:36:39,255 INFO L134 CoverageAnalysis]: Checked inductivity of 1920 backedges. 0 proven. 1920 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-14 11:36:39,255 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [392341903] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-14 11:36:39,255 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-14 11:36:39,255 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [43, 43, 43] total 44 [2025-04-14 11:36:39,255 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [814831805] [2025-04-14 11:36:39,256 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-14 11:36:39,256 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 45 states [2025-04-14 11:36:39,256 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 11:36:39,257 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 45 interpolants. [2025-04-14 11:36:39,257 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=88, Invalid=1892, Unknown=0, NotChecked=0, Total=1980 [2025-04-14 11:36:39,257 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 11:36:39,258 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 11:36:39,258 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 45 states, 45 states have (on average 4.711111111111111) internal successors, (212), 44 states have internal predecessors, (212), 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) [2025-04-14 11:36:39,258 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 11:36:39,258 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-14 11:36:39,258 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-04-14 11:36:39,258 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2025-04-14 11:36:39,258 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2025-04-14 11:36:39,258 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2025-04-14 11:36:39,258 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 11:36:41,440 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 11:36:41,440 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-14 11:36:41,440 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-04-14 11:36:41,440 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-04-14 11:36:41,440 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2025-04-14 11:36:41,440 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2025-04-14 11:36:41,440 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2025-04-14 11:36:41,447 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2025-04-14 11:36:41,641 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-14 11:36:41,641 INFO L403 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-04-14 11:36:41,641 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 11:36:41,641 INFO L139 ounterexampleChecker]: Examining path program with hash -1926416704, occurence #1 [2025-04-14 11:36:41,641 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-14 11:36:41,641 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 11:36:41,642 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 11:36:41,642 INFO L85 PathProgramCache]: Analyzing trace with hash -1347504666, now seen corresponding path program 7 times [2025-04-14 11:36:41,642 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 11:36:41,642 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1779978597] [2025-04-14 11:36:41,642 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-04-14 11:36:41,642 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 11:36:41,664 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 215 statements into 1 equivalence classes. [2025-04-14 11:36:41,688 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 215 of 215 statements. [2025-04-14 11:36:41,688 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 11:36:41,688 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 11:36:42,179 INFO L134 CoverageAnalysis]: Checked inductivity of 1921 backedges. 1730 proven. 191 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-14 11:36:42,179 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 11:36:42,179 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1779978597] [2025-04-14 11:36:42,179 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1779978597] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 11:36:42,179 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [823066684] [2025-04-14 11:36:42,179 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-04-14 11:36:42,179 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-14 11:36:42,180 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-14 11:36:42,181 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-04-14 11:36:42,183 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2025-04-14 11:36:42,280 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 215 statements into 1 equivalence classes. [2025-04-14 11:36:42,348 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 215 of 215 statements. [2025-04-14 11:36:42,349 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 11:36:42,349 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 11:36:42,352 INFO L256 TraceCheckSpWp]: Trace formula consists of 897 conjuncts, 22 conjuncts are in the unsatisfiable core [2025-04-14 11:36:42,355 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 11:36:42,538 INFO L134 CoverageAnalysis]: Checked inductivity of 1921 backedges. 1921 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-14 11:36:42,538 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-04-14 11:36:42,538 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [823066684] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-14 11:36:42,538 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-04-14 11:36:42,538 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [23] imperfect sequences [23] total 24 [2025-04-14 11:36:42,538 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [873960790] [2025-04-14 11:36:42,538 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-14 11:36:42,539 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2025-04-14 11:36:42,539 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 11:36:42,539 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2025-04-14 11:36:42,540 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=256, Invalid=296, Unknown=0, NotChecked=0, Total=552 [2025-04-14 11:36:42,540 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 11:36:42,540 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 11:36:42,540 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 9.347826086956522) internal successors, (215), 23 states have internal predecessors, (215), 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) [2025-04-14 11:36:42,540 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 11:36:42,540 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-14 11:36:42,540 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-04-14 11:36:42,540 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2025-04-14 11:36:42,540 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2025-04-14 11:36:42,540 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2025-04-14 11:36:42,540 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2025-04-14 11:36:42,540 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 11:36:43,087 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 11:36:43,088 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-14 11:36:43,088 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-04-14 11:36:43,088 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-04-14 11:36:43,088 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2025-04-14 11:36:43,088 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2025-04-14 11:36:43,088 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2025-04-14 11:36:43,088 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2025-04-14 11:36:43,097 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2025-04-14 11:36:43,292 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-14 11:36:43,292 INFO L403 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-04-14 11:36:43,292 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 11:36:43,292 INFO L139 ounterexampleChecker]: Examining path program with hash -1926416704, occurence #2 [2025-04-14 11:36:43,292 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-14 11:36:43,292 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1 [2025-04-14 11:36:43,292 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 11:36:43,292 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 9 [2025-04-14 11:36:43,292 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:36:43,293 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 10 [2025-04-14 11:36:43,293 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:36:43,293 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 11 [2025-04-14 11:36:43,293 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:36:43,293 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 19 [2025-04-14 11:36:43,293 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:36:43,293 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 20 [2025-04-14 11:36:43,293 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:36:43,293 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 21 [2025-04-14 11:36:43,293 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:36:43,293 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 29 [2025-04-14 11:36:43,293 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:36:43,293 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 30 [2025-04-14 11:36:43,293 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:36:43,293 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 31 [2025-04-14 11:36:43,293 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:36:43,293 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 39 [2025-04-14 11:36:43,293 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:36:43,293 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 40 [2025-04-14 11:36:43,293 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:36:43,293 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 41 [2025-04-14 11:36:43,293 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:36:43,293 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 49 [2025-04-14 11:36:43,293 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:36:43,293 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 50 [2025-04-14 11:36:43,293 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:36:43,293 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 51 [2025-04-14 11:36:43,293 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:36:43,293 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 59 [2025-04-14 11:36:43,293 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:36:43,293 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 60 [2025-04-14 11:36:43,294 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:36:43,294 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 61 [2025-04-14 11:36:43,294 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:36:43,294 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 69 [2025-04-14 11:36:43,294 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:36:43,294 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 70 [2025-04-14 11:36:43,294 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:36:43,294 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 71 [2025-04-14 11:36:43,294 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:36:43,294 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 79 [2025-04-14 11:36:43,294 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:36:43,294 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 80 [2025-04-14 11:36:43,294 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:36:43,294 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 81 [2025-04-14 11:36:43,294 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:36:43,294 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 89 [2025-04-14 11:36:43,294 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:36:43,294 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 90 [2025-04-14 11:36:43,294 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:36:43,294 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 91 [2025-04-14 11:36:43,294 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:36:43,294 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 99 [2025-04-14 11:36:43,294 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:36:43,294 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 100 [2025-04-14 11:36:43,294 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:36:43,294 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 101 [2025-04-14 11:36:43,294 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:36:43,294 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 109 [2025-04-14 11:36:43,294 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:36:43,294 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 110 [2025-04-14 11:36:43,295 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:36:43,295 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 111 [2025-04-14 11:36:43,295 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:36:43,295 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 119 [2025-04-14 11:36:43,295 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:36:43,295 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 120 [2025-04-14 11:36:43,295 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:36:43,295 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 121 [2025-04-14 11:36:43,295 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:36:43,295 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 129 [2025-04-14 11:36:43,295 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:36:43,295 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 130 [2025-04-14 11:36:43,295 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:36:43,295 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 131 [2025-04-14 11:36:43,295 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:36:43,295 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 139 [2025-04-14 11:36:43,295 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:36:43,295 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 140 [2025-04-14 11:36:43,295 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:36:43,295 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 141 [2025-04-14 11:36:43,295 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:36:43,295 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 149 [2025-04-14 11:36:43,295 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:36:43,295 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 150 [2025-04-14 11:36:43,295 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:36:43,296 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 151 [2025-04-14 11:36:43,296 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:36:43,296 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 159 [2025-04-14 11:36:43,296 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:36:43,296 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 160 [2025-04-14 11:36:43,296 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:36:43,296 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 161 [2025-04-14 11:36:43,296 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:36:43,296 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 169 [2025-04-14 11:36:43,296 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:36:43,296 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 170 [2025-04-14 11:36:43,296 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:36:43,296 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 171 [2025-04-14 11:36:43,296 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:36:43,296 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 179 [2025-04-14 11:36:43,296 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:36:43,296 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 180 [2025-04-14 11:36:43,296 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:36:43,296 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 181 [2025-04-14 11:36:43,296 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:36:43,296 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 189 [2025-04-14 11:36:43,296 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:36:43,296 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 190 [2025-04-14 11:36:43,297 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:36:43,297 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 191 [2025-04-14 11:36:43,297 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:36:43,297 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 195 [2025-04-14 11:36:43,297 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:36:43,297 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 196 [2025-04-14 11:36:43,297 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:36:43,297 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 197 [2025-04-14 11:36:43,297 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:36:43,297 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 199 [2025-04-14 11:36:43,297 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:36:43,297 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 200 [2025-04-14 11:36:43,297 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 11:36:43,297 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-04-14 11:36:43,297 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 11:36:43,298 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 11:36:43,298 INFO L85 PathProgramCache]: Analyzing trace with hash -1683294713, now seen corresponding path program 8 times [2025-04-14 11:36:43,298 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 11:36:43,298 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1345957154] [2025-04-14 11:36:43,298 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-14 11:36:43,298 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 11:36:43,334 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 205 statements into 2 equivalence classes. [2025-04-14 11:36:43,347 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 205 of 205 statements. [2025-04-14 11:36:43,347 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-04-14 11:36:43,347 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 11:36:43,795 INFO L134 CoverageAnalysis]: Checked inductivity of 1730 backedges. 0 proven. 1729 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-04-14 11:36:43,795 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 11:36:43,795 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1345957154] [2025-04-14 11:36:43,795 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1345957154] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 11:36:43,795 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1930839811] [2025-04-14 11:36:43,795 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-14 11:36:43,796 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-14 11:36:43,796 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-14 11:36:43,798 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-04-14 11:36:43,799 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2025-04-14 11:36:43,912 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 205 statements into 2 equivalence classes. [2025-04-14 11:36:43,977 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 205 of 205 statements. [2025-04-14 11:36:43,977 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-04-14 11:36:43,977 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 11:36:43,983 INFO L256 TraceCheckSpWp]: Trace formula consists of 857 conjuncts, 21 conjuncts are in the unsatisfiable core [2025-04-14 11:36:43,986 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 11:36:44,151 INFO L134 CoverageAnalysis]: Checked inductivity of 1730 backedges. 0 proven. 1729 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-04-14 11:36:44,151 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-14 11:36:44,447 INFO L134 CoverageAnalysis]: Checked inductivity of 1730 backedges. 0 proven. 1729 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-04-14 11:36:44,447 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1930839811] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-14 11:36:44,447 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-14 11:36:44,447 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 22, 22] total 23 [2025-04-14 11:36:44,447 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [350635121] [2025-04-14 11:36:44,447 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-14 11:36:44,448 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2025-04-14 11:36:44,448 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 11:36:44,448 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2025-04-14 11:36:44,448 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=253, Invalid=253, Unknown=0, NotChecked=0, Total=506 [2025-04-14 11:36:44,448 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 11:36:44,448 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 11:36:44,449 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 9.217391304347826) internal successors, (212), 23 states have internal predecessors, (212), 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) [2025-04-14 11:36:44,449 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 11:36:44,449 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-14 11:36:44,449 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-04-14 11:36:44,449 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2025-04-14 11:36:44,449 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2025-04-14 11:36:44,449 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2025-04-14 11:36:44,449 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2025-04-14 11:36:44,449 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2025-04-14 11:36:44,449 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 11:36:47,749 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 11:36:47,749 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-14 11:36:47,749 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2025-04-14 11:36:47,749 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-04-14 11:36:47,749 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2025-04-14 11:36:47,749 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2025-04-14 11:36:47,749 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2025-04-14 11:36:47,749 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2025-04-14 11:36:47,750 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2025-04-14 11:36:47,751 INFO L790 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 2 remaining) [2025-04-14 11:36:47,752 INFO L790 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 2 remaining) [2025-04-14 11:36:47,759 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2025-04-14 11:36:47,953 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2025-04-14 11:36:47,957 INFO L422 BasicCegarLoop]: Path program histogram: [8, 1] [2025-04-14 11:36:47,959 INFO L242 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2025-04-14 11:36:47,959 INFO L171 ceAbstractionStarter]: Computing trace abstraction results [2025-04-14 11:36:47,968 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Ended with exit code 0 [2025-04-14 11:36:47,968 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.04 11:36:47 BasicIcfg [2025-04-14 11:36:47,968 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-04-14 11:36:47,969 INFO L158 Benchmark]: Toolchain (without parser) took 18109.68ms. Allocated memory was 155.2MB in the beginning and 411.0MB in the end (delta: 255.9MB). Free memory was 107.5MB in the beginning and 148.8MB in the end (delta: -41.3MB). Peak memory consumption was 214.3MB. Max. memory is 8.0GB. [2025-04-14 11:36:47,969 INFO L158 Benchmark]: CDTParser took 0.71ms. Allocated memory is still 155.2MB. Free memory is still 84.6MB. There was no memory consumed. Max. memory is 8.0GB. [2025-04-14 11:36:47,969 INFO L158 Benchmark]: CACSL2BoogieTranslator took 512.57ms. Allocated memory is still 155.2MB. Free memory was 107.5MB in the beginning and 66.7MB in the end (delta: 40.9MB). Peak memory consumption was 41.9MB. Max. memory is 8.0GB. [2025-04-14 11:36:47,970 INFO L158 Benchmark]: Boogie Procedure Inliner took 33.31ms. Allocated memory is still 155.2MB. Free memory was 66.7MB in the beginning and 64.2MB in the end (delta: 2.5MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. [2025-04-14 11:36:47,970 INFO L158 Benchmark]: Boogie Preprocessor took 19.33ms. Allocated memory is still 155.2MB. Free memory was 64.2MB in the beginning and 63.1MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 8.0GB. [2025-04-14 11:36:47,970 INFO L158 Benchmark]: RCFGBuilder took 340.28ms. Allocated memory is still 155.2MB. Free memory was 63.1MB in the beginning and 41.5MB in the end (delta: 21.5MB). Peak memory consumption was 21.0MB. Max. memory is 8.0GB. [2025-04-14 11:36:47,970 INFO L158 Benchmark]: TraceAbstraction took 17200.49ms. Allocated memory was 155.2MB in the beginning and 411.0MB in the end (delta: 255.9MB). Free memory was 41.0MB in the beginning and 148.8MB in the end (delta: -107.9MB). Peak memory consumption was 147.2MB. Max. memory is 8.0GB. [2025-04-14 11:36:47,971 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.71ms. Allocated memory is still 155.2MB. Free memory is still 84.6MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 512.57ms. Allocated memory is still 155.2MB. Free memory was 107.5MB in the beginning and 66.7MB in the end (delta: 40.9MB). Peak memory consumption was 41.9MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 33.31ms. Allocated memory is still 155.2MB. Free memory was 66.7MB in the beginning and 64.2MB in the end (delta: 2.5MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. * Boogie Preprocessor took 19.33ms. Allocated memory is still 155.2MB. Free memory was 64.2MB in the beginning and 63.1MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 8.0GB. * RCFGBuilder took 340.28ms. Allocated memory is still 155.2MB. Free memory was 63.1MB in the beginning and 41.5MB in the end (delta: 21.5MB). Peak memory consumption was 21.0MB. Max. memory is 8.0GB. * TraceAbstraction took 17200.49ms. Allocated memory was 155.2MB in the beginning and 411.0MB in the end (delta: 255.9MB). Free memory was 41.0MB in the beginning and 148.8MB in the end (delta: -107.9MB). Peak memory consumption was 147.2MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Partial order reduction statistics Independence relation #1 benchmarks: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 32304, independent: 25502, independent conditional: 25377, independent unconditional: 125, dependent: 6802, dependent conditional: 6796, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 27757, independent: 25502, independent conditional: 25377, independent unconditional: 125, dependent: 2255, dependent conditional: 2249, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 27757, independent: 25502, independent conditional: 25377, independent unconditional: 125, dependent: 2255, dependent conditional: 2249, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 45806, independent: 25502, independent conditional: 25377, independent unconditional: 125, dependent: 20304, dependent conditional: 20298, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 45806, independent: 25502, independent conditional: 0, independent unconditional: 25502, dependent: 20304, dependent conditional: 762, dependent unconditional: 19542, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 45806, independent: 25502, independent conditional: 0, independent unconditional: 25502, dependent: 20304, dependent conditional: 762, dependent unconditional: 19542, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 183, independent: 100, independent conditional: 0, independent unconditional: 100, dependent: 83, dependent conditional: 77, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 183, independent: 95, independent conditional: 0, independent unconditional: 95, dependent: 88, dependent conditional: 0, dependent unconditional: 88, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 88, independent: 5, independent conditional: 0, independent unconditional: 5, dependent: 83, dependent conditional: 77, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 88, independent: 5, independent conditional: 0, independent unconditional: 5, dependent: 83, dependent conditional: 77, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 430, independent: 61, independent conditional: 0, independent unconditional: 61, dependent: 368, dependent conditional: 308, dependent unconditional: 60, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Symbolic Condition Computations: 0, Symbolic Conditions with UNKNOWN Satisfiability: 0, Protected Queries: 0 ], Cache Queries: [ total: 45806, independent: 25402, independent conditional: 0, independent unconditional: 25402, dependent: 20221, dependent conditional: 685, dependent unconditional: 19536, unknown: 183, unknown conditional: 77, unknown unconditional: 106] , Statistics on independence cache: Total cache size (in pairs): 183, Positive cache size: 100, Positive conditional cache size: 0, Positive unconditional cache size: 100, Negative cache size: 83, Negative conditional cache size: 77, Negative unconditional cache size: 6, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 44913, Maximal queried relation: 9, Independence queries for same thread: 4547, Persistent sets #1 benchmarks: Persistent set computation time: 0.1s, Number of persistent set computation: 80, Number of trivial persistent sets: 74, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 131, independent: 125, independent conditional: 0, independent unconditional: 125, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 32304, independent: 25502, independent conditional: 25377, independent unconditional: 125, dependent: 6802, dependent conditional: 6796, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 27757, independent: 25502, independent conditional: 25377, independent unconditional: 125, dependent: 2255, dependent conditional: 2249, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 27757, independent: 25502, independent conditional: 25377, independent unconditional: 125, dependent: 2255, dependent conditional: 2249, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 45806, independent: 25502, independent conditional: 25377, independent unconditional: 125, dependent: 20304, dependent conditional: 20298, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 45806, independent: 25502, independent conditional: 0, independent unconditional: 25502, dependent: 20304, dependent conditional: 762, dependent unconditional: 19542, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 45806, independent: 25502, independent conditional: 0, independent unconditional: 25502, dependent: 20304, dependent conditional: 762, dependent unconditional: 19542, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 183, independent: 100, independent conditional: 0, independent unconditional: 100, dependent: 83, dependent conditional: 77, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 183, independent: 95, independent conditional: 0, independent unconditional: 95, dependent: 88, dependent conditional: 0, dependent unconditional: 88, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 88, independent: 5, independent conditional: 0, independent unconditional: 5, dependent: 83, dependent conditional: 77, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 88, independent: 5, independent conditional: 0, independent unconditional: 5, dependent: 83, dependent conditional: 77, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 430, independent: 61, independent conditional: 0, independent unconditional: 61, dependent: 368, dependent conditional: 308, dependent unconditional: 60, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Symbolic Condition Computations: 0, Symbolic Conditions with UNKNOWN Satisfiability: 0, Protected Queries: 0 ], Cache Queries: [ total: 45806, independent: 25402, independent conditional: 0, independent unconditional: 25402, dependent: 20221, dependent conditional: 685, dependent unconditional: 19536, unknown: 183, unknown conditional: 77, unknown unconditional: 106] , Statistics on independence cache: Total cache size (in pairs): 183, Positive cache size: 100, Positive conditional cache size: 0, Positive unconditional cache size: 100, Negative cache size: 83, Negative conditional cache size: 77, Negative unconditional cache size: 6, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 44913, Maximal queried relation: 9, Independence queries for same thread: 4547 - PositiveResult [Line: 13]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 3 procedures, 30 locations, 33 edges, 2 error locations. Started 1 CEGAR loops. OverallTime: 17.1s, OverallIterations: 9, TraceHistogramMax: 0, PathProgramHistogramMax: 8, EmptinessCheckTime: 7.4s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 236, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 6.5s InterpolantComputationTime, 2110 NumberOfCodeBlocks, 2100 NumberOfCodeBlocksAsserted, 92 NumberOfCheckSat, 2813 ConstructedInterpolants, 0 QuantifiedInterpolants, 7911 SizeOfPredicates, 22 NumberOfNonLiveVariables, 4013 ConjunctsInSsa, 202 ConjunctsInUnsatCore, 22 InterpolantComputations, 3 PerfectInterpolantSequences, 5917/19911 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: SuccessfulCommutativityProofs: 0, ConComChecker Statistics: CheckTime [ms]: 10, ConditionCalculationTime [ms]: 0, ConditionCalculations: 169, QuantifiedConditions: 0, TraceChecks: 0, UnknownTraceChecks: 0, UnsatisfiedConditions: 0, ImperfectProofs: 0 - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2025-04-14 11:36:47,984 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...