/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 ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-NoLbe.epf --traceabstraction.positions.where.we.compute.the.hoare.annotation All --cacsl2boogietranslator.check.absence.of.data.races.in.concurrent.programs true --cacsl2boogietranslator.check.unreachability.of.reach_error.function false -i ../../../trunk/examples/svcomp/goblint-regression/13-privatized_67-pthread_cond_wait_unknown_1_pos.i -------------------------------------------------------------------------------- This is Ultimate 0.3.0-wip.dk.empire2-owicki-f61efc6-m [2025-03-15 00:43:15,956 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-15 00:43:16,047 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-NoLbe.epf [2025-03-15 00:43:16,074 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-15 00:43:16,076 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-15 00:43:16,076 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-15 00:43:16,076 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-15 00:43:16,076 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-15 00:43:16,076 INFO L153 SettingsManager]: * Use SBE=true [2025-03-15 00:43:16,077 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-15 00:43:16,077 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-15 00:43:16,077 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-15 00:43:16,077 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-15 00:43:16,077 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-15 00:43:16,077 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-15 00:43:16,077 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-15 00:43:16,077 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-15 00:43:16,077 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-15 00:43:16,077 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-15 00:43:16,077 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-15 00:43:16,077 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-15 00:43:16,077 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-03-15 00:43:16,078 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-15 00:43:16,078 INFO L153 SettingsManager]: * To the following directory=./dump/ [2025-03-15 00:43:16,078 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-15 00:43:16,078 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2025-03-15 00:43:16,078 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-15 00:43:16,078 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-15 00:43:16,078 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-15 00:43:16,078 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-15 00:43:16,078 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-15 00:43:16,078 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-15 00:43:16,078 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> All Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of data races in concurrent programs -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of reach_error function -> false [2025-03-15 00:43:16,349 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-15 00:43:16,356 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-15 00:43:16,358 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-15 00:43:16,363 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-15 00:43:16,363 INFO L274 PluginConnector]: CDTParser initialized [2025-03-15 00:43:16,364 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/13-privatized_67-pthread_cond_wait_unknown_1_pos.i [2025-03-15 00:43:17,596 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f405da0df/4a406e56d493460ab50cec533d0f38a0/FLAGbea0915df [2025-03-15 00:43:17,853 INFO L384 CDTParser]: Found 1 translation units. [2025-03-15 00:43:17,854 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_67-pthread_cond_wait_unknown_1_pos.i [2025-03-15 00:43:17,874 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f405da0df/4a406e56d493460ab50cec533d0f38a0/FLAGbea0915df [2025-03-15 00:43:17,886 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f405da0df/4a406e56d493460ab50cec533d0f38a0 [2025-03-15 00:43:17,888 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-15 00:43:17,890 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2025-03-15 00:43:17,891 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-15 00:43:17,891 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-15 00:43:17,894 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-15 00:43:17,895 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.03 12:43:17" (1/1) ... [2025-03-15 00:43:17,896 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7d198b92 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 12:43:17, skipping insertion in model container [2025-03-15 00:43:17,896 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.03 12:43:17" (1/1) ... [2025-03-15 00:43:17,934 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-15 00:43:18,402 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-15 00:43:18,424 INFO L200 MainTranslator]: Completed pre-run [2025-03-15 00:43:18,462 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-15 00:43:18,561 INFO L204 MainTranslator]: Completed translation [2025-03-15 00:43:18,563 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 12:43:18 WrapperNode [2025-03-15 00:43:18,563 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-15 00:43:18,564 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-15 00:43:18,564 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-15 00:43:18,564 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-15 00:43:18,570 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 12:43:18" (1/1) ... [2025-03-15 00:43:18,594 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 12:43:18" (1/1) ... [2025-03-15 00:43:18,625 INFO L138 Inliner]: procedures = 354, calls = 22, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 166 [2025-03-15 00:43:18,626 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-15 00:43:18,627 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-15 00:43:18,628 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-15 00:43:18,628 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-15 00:43:18,634 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 12:43:18" (1/1) ... [2025-03-15 00:43:18,635 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 12:43:18" (1/1) ... [2025-03-15 00:43:18,639 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 12:43:18" (1/1) ... [2025-03-15 00:43:18,639 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 12:43:18" (1/1) ... [2025-03-15 00:43:18,655 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 12:43:18" (1/1) ... [2025-03-15 00:43:18,661 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 12:43:18" (1/1) ... [2025-03-15 00:43:18,663 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 12:43:18" (1/1) ... [2025-03-15 00:43:18,666 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 12:43:18" (1/1) ... [2025-03-15 00:43:18,667 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 12:43:18" (1/1) ... [2025-03-15 00:43:18,671 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-15 00:43:18,672 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-03-15 00:43:18,672 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-03-15 00:43:18,672 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-03-15 00:43:18,677 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 12:43:18" (1/1) ... [2025-03-15 00:43:18,682 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2025-03-15 00:43:18,712 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-15 00:43:18,724 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2025-03-15 00:43:18,728 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2025-03-15 00:43:18,743 INFO L130 BoogieDeclarations]: Found specification of procedure f1 [2025-03-15 00:43:18,744 INFO L138 BoogieDeclarations]: Found implementation of procedure f1 [2025-03-15 00:43:18,744 INFO L130 BoogieDeclarations]: Found specification of procedure f2 [2025-03-15 00:43:18,744 INFO L138 BoogieDeclarations]: Found implementation of procedure f2 [2025-03-15 00:43:18,744 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2025-03-15 00:43:18,744 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2025-03-15 00:43:18,744 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-15 00:43:18,744 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2025-03-15 00:43:18,744 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-15 00:43:18,744 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-15 00:43:18,745 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2025-03-15 00:43:18,947 INFO L234 CfgBuilder]: Building ICFG [2025-03-15 00:43:18,949 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-15 00:43:19,168 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-03-15 00:43:19,168 INFO L283 CfgBuilder]: Performing block encoding [2025-03-15 00:43:19,192 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-15 00:43:19,193 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-15 00:43:19,193 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.03 12:43:19 BoogieIcfgContainer [2025-03-15 00:43:19,193 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-03-15 00:43:19,195 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-15 00:43:19,195 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-15 00:43:19,199 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-15 00:43:19,199 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.03 12:43:17" (1/3) ... [2025-03-15 00:43:19,200 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@25a74243 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.03 12:43:19, skipping insertion in model container [2025-03-15 00:43:19,200 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 12:43:18" (2/3) ... [2025-03-15 00:43:19,200 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@25a74243 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.03 12:43:19, skipping insertion in model container [2025-03-15 00:43:19,201 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.03 12:43:19" (3/3) ... [2025-03-15 00:43:19,202 INFO L128 eAbstractionObserver]: Analyzing ICFG 13-privatized_67-pthread_cond_wait_unknown_1_pos.i [2025-03-15 00:43:19,221 INFO L303 ceAbstractionStarter]: Automizer settings: Hoare:All NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-15 00:43:19,223 INFO L169 ceAbstractionStarter]: Applying trace abstraction to ICFG 13-privatized_67-pthread_cond_wait_unknown_1_pos.i that has 3 procedures, 206 locations, 1 initial locations, 0 loop locations, and 5 error locations. [2025-03-15 00:43:19,223 INFO L581 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-03-15 00:43:19,268 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2025-03-15 00:43:19,313 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-15 00:43:19,323 INFO L333 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=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=All, 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;@15915b45, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-15 00:43:19,323 INFO L334 AbstractCegarLoop]: Starting to check reachability of 12 error locations. [2025-03-15 00:43:19,386 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2025-03-15 00:43:19,386 INFO L124 PetriNetUnfolderBase]: 0/145 cut-off events. [2025-03-15 00:43:19,388 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-03-15 00:43:19,389 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 00:43:19,389 INFO L221 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-15 00:43:19,389 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting f1Err0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 10 more)] === [2025-03-15 00:43:19,394 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 00:43:19,394 INFO L85 PathProgramCache]: Analyzing trace with hash -437021517, now seen corresponding path program 1 times [2025-03-15 00:43:19,400 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 00:43:19,401 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [214225036] [2025-03-15 00:43:19,401 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-15 00:43:19,401 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 00:43:19,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-15 00:43:19,812 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-15 00:43:19,812 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 00:43:19,813 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [214225036] [2025-03-15 00:43:19,813 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [214225036] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 00:43:19,813 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 00:43:19,813 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-15 00:43:19,814 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1660665373] [2025-03-15 00:43:19,815 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 00:43:19,821 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-15 00:43:19,824 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 00:43:19,841 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-15 00:43:19,841 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-15 00:43:19,844 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 177 out of 207 [2025-03-15 00:43:19,848 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 212 places, 207 transitions, 428 flow. Second operand has 3 states, 3 states have (on average 178.66666666666666) internal successors, (536), 3 states have internal predecessors, (536), 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) [2025-03-15 00:43:19,848 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 00:43:19,848 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 177 of 207 [2025-03-15 00:43:19,849 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 00:43:20,109 INFO L124 PetriNetUnfolderBase]: 152/716 cut-off events. [2025-03-15 00:43:20,110 INFO L125 PetriNetUnfolderBase]: For 46/46 co-relation queries the response was YES. [2025-03-15 00:43:20,117 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1095 conditions, 716 events. 152/716 cut-off events. For 46/46 co-relation queries the response was YES. Maximal size of possible extension queue 27. Compared 3308 event pairs, 121 based on Foata normal form. 29/653 useless extension candidates. Maximal degree in co-relation 901. Up to 293 conditions per place. [2025-03-15 00:43:20,122 INFO L140 encePairwiseOnDemand]: 199/207 looper letters, 32 selfloop transitions, 5 changer transitions 6/212 dead transitions. [2025-03-15 00:43:20,123 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 210 places, 212 transitions, 515 flow [2025-03-15 00:43:20,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-15 00:43:20,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-15 00:43:20,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 574 transitions. [2025-03-15 00:43:20,137 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.9243156199677939 [2025-03-15 00:43:20,139 INFO L298 CegarLoopForPetriNet]: 212 programPoint places, -2 predicate places. [2025-03-15 00:43:20,139 INFO L471 AbstractCegarLoop]: Abstraction has has 210 places, 212 transitions, 515 flow [2025-03-15 00:43:20,140 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 178.66666666666666) internal successors, (536), 3 states have internal predecessors, (536), 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) [2025-03-15 00:43:20,140 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 00:43:20,140 INFO L221 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-15 00:43:20,140 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-03-15 00:43:20,140 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting f2Err0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 10 more)] === [2025-03-15 00:43:20,141 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 00:43:20,141 INFO L85 PathProgramCache]: Analyzing trace with hash -1865061468, now seen corresponding path program 1 times [2025-03-15 00:43:20,141 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 00:43:20,141 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [747084258] [2025-03-15 00:43:20,141 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-15 00:43:20,141 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 00:43:20,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-15 00:43:20,327 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-15 00:43:20,328 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 00:43:20,328 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [747084258] [2025-03-15 00:43:20,328 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [747084258] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 00:43:20,328 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 00:43:20,328 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-15 00:43:20,328 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [440863584] [2025-03-15 00:43:20,328 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 00:43:20,329 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-15 00:43:20,330 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 00:43:20,330 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-15 00:43:20,330 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-15 00:43:20,332 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 179 out of 207 [2025-03-15 00:43:20,332 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 210 places, 212 transitions, 515 flow. Second operand has 3 states, 3 states have (on average 180.66666666666666) internal successors, (542), 3 states have internal predecessors, (542), 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) [2025-03-15 00:43:20,333 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 00:43:20,333 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 179 of 207 [2025-03-15 00:43:20,333 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 00:43:20,508 INFO L124 PetriNetUnfolderBase]: 161/830 cut-off events. [2025-03-15 00:43:20,509 INFO L125 PetriNetUnfolderBase]: For 185/277 co-relation queries the response was YES. [2025-03-15 00:43:20,510 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1564 conditions, 830 events. 161/830 cut-off events. For 185/277 co-relation queries the response was YES. Maximal size of possible extension queue 29. Compared 4295 event pairs, 62 based on Foata normal form. 1/744 useless extension candidates. Maximal degree in co-relation 1325. Up to 317 conditions per place. [2025-03-15 00:43:20,513 INFO L140 encePairwiseOnDemand]: 198/207 looper letters, 48 selfloop transitions, 10 changer transitions 6/236 dead transitions. [2025-03-15 00:43:20,514 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 212 places, 236 transitions, 735 flow [2025-03-15 00:43:20,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-15 00:43:20,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-15 00:43:20,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 585 transitions. [2025-03-15 00:43:20,515 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.9420289855072463 [2025-03-15 00:43:20,516 INFO L298 CegarLoopForPetriNet]: 212 programPoint places, 0 predicate places. [2025-03-15 00:43:20,516 INFO L471 AbstractCegarLoop]: Abstraction has has 212 places, 236 transitions, 735 flow [2025-03-15 00:43:20,516 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 180.66666666666666) internal successors, (542), 3 states have internal predecessors, (542), 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) [2025-03-15 00:43:20,516 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 00:43:20,516 INFO L221 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-15 00:43:20,517 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-03-15 00:43:20,517 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting f1Err0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 10 more)] === [2025-03-15 00:43:20,517 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 00:43:20,517 INFO L85 PathProgramCache]: Analyzing trace with hash 37637805, now seen corresponding path program 1 times [2025-03-15 00:43:20,518 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 00:43:20,518 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [206003120] [2025-03-15 00:43:20,518 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-15 00:43:20,518 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 00:43:20,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-15 00:43:20,793 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-15 00:43:20,793 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 00:43:20,794 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [206003120] [2025-03-15 00:43:20,794 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [206003120] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 00:43:20,794 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 00:43:20,794 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-15 00:43:20,794 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [936455105] [2025-03-15 00:43:20,794 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 00:43:20,794 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-15 00:43:20,795 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 00:43:20,795 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-15 00:43:20,795 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-15 00:43:20,798 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 188 out of 207 [2025-03-15 00:43:20,799 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 212 places, 236 transitions, 735 flow. Second operand has 3 states, 3 states have (on average 191.33333333333334) internal successors, (574), 3 states have internal predecessors, (574), 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) [2025-03-15 00:43:20,799 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 00:43:20,799 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 188 of 207 [2025-03-15 00:43:20,799 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 00:43:20,873 INFO L124 PetriNetUnfolderBase]: 22/328 cut-off events. [2025-03-15 00:43:20,873 INFO L125 PetriNetUnfolderBase]: For 190/208 co-relation queries the response was YES. [2025-03-15 00:43:20,873 INFO L83 FinitePrefix]: Finished finitePrefix Result has 599 conditions, 328 events. 22/328 cut-off events. For 190/208 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 745 event pairs, 5 based on Foata normal form. 24/340 useless extension candidates. Maximal degree in co-relation 364. Up to 84 conditions per place. [2025-03-15 00:43:20,875 INFO L140 encePairwiseOnDemand]: 201/207 looper letters, 14 selfloop transitions, 6 changer transitions 6/203 dead transitions. [2025-03-15 00:43:20,875 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 211 places, 203 transitions, 587 flow [2025-03-15 00:43:20,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-15 00:43:20,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-15 00:43:20,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 585 transitions. [2025-03-15 00:43:20,877 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.9420289855072463 [2025-03-15 00:43:20,878 INFO L298 CegarLoopForPetriNet]: 212 programPoint places, -1 predicate places. [2025-03-15 00:43:20,878 INFO L471 AbstractCegarLoop]: Abstraction has has 211 places, 203 transitions, 587 flow [2025-03-15 00:43:20,878 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 191.33333333333334) internal successors, (574), 3 states have internal predecessors, (574), 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) [2025-03-15 00:43:20,878 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 00:43:20,879 INFO L221 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-15 00:43:20,879 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-03-15 00:43:20,879 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting f1Err2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 10 more)] === [2025-03-15 00:43:20,880 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 00:43:20,880 INFO L85 PathProgramCache]: Analyzing trace with hash -1436394761, now seen corresponding path program 1 times [2025-03-15 00:43:20,880 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 00:43:20,880 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1756186759] [2025-03-15 00:43:20,880 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-15 00:43:20,880 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 00:43:20,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-15 00:43:20,972 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-15 00:43:20,972 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 00:43:20,972 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1756186759] [2025-03-15 00:43:20,972 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1756186759] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 00:43:20,972 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 00:43:20,973 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-15 00:43:20,973 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [583195959] [2025-03-15 00:43:20,973 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 00:43:20,973 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-15 00:43:20,973 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 00:43:20,973 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-15 00:43:20,974 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-15 00:43:20,974 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 177 out of 207 [2025-03-15 00:43:20,975 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 211 places, 203 transitions, 587 flow. Second operand has 3 states, 3 states have (on average 180.66666666666666) internal successors, (542), 3 states have internal predecessors, (542), 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) [2025-03-15 00:43:20,975 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 00:43:20,975 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 177 of 207 [2025-03-15 00:43:20,975 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 00:43:21,048 INFO L124 PetriNetUnfolderBase]: 23/326 cut-off events. [2025-03-15 00:43:21,048 INFO L125 PetriNetUnfolderBase]: For 270/297 co-relation queries the response was YES. [2025-03-15 00:43:21,049 INFO L83 FinitePrefix]: Finished finitePrefix Result has 686 conditions, 326 events. 23/326 cut-off events. For 270/297 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 750 event pairs, 5 based on Foata normal form. 0/317 useless extension candidates. Maximal degree in co-relation 433. Up to 82 conditions per place. [2025-03-15 00:43:21,050 INFO L140 encePairwiseOnDemand]: 204/207 looper letters, 24 selfloop transitions, 2 changer transitions 12/203 dead transitions. [2025-03-15 00:43:21,050 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 212 places, 203 transitions, 650 flow [2025-03-15 00:43:21,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-15 00:43:21,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-15 00:43:21,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 556 transitions. [2025-03-15 00:43:21,052 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.895330112721417 [2025-03-15 00:43:21,053 INFO L298 CegarLoopForPetriNet]: 212 programPoint places, 0 predicate places. [2025-03-15 00:43:21,053 INFO L471 AbstractCegarLoop]: Abstraction has has 212 places, 203 transitions, 650 flow [2025-03-15 00:43:21,053 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 180.66666666666666) internal successors, (542), 3 states have internal predecessors, (542), 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) [2025-03-15 00:43:21,053 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 00:43:21,053 INFO L221 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-15 00:43:21,053 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-03-15 00:43:21,053 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting f2Err1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 10 more)] === [2025-03-15 00:43:21,054 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 00:43:21,054 INFO L85 PathProgramCache]: Analyzing trace with hash 1111925934, now seen corresponding path program 1 times [2025-03-15 00:43:21,054 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 00:43:21,054 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1631092174] [2025-03-15 00:43:21,054 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-15 00:43:21,054 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 00:43:21,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-15 00:43:21,134 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-15 00:43:21,134 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 00:43:21,134 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1631092174] [2025-03-15 00:43:21,134 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1631092174] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 00:43:21,134 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 00:43:21,134 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-15 00:43:21,134 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1656419416] [2025-03-15 00:43:21,134 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 00:43:21,135 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-15 00:43:21,135 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 00:43:21,135 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-15 00:43:21,135 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-15 00:43:21,136 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 177 out of 207 [2025-03-15 00:43:21,138 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 212 places, 203 transitions, 650 flow. Second operand has 3 states, 3 states have (on average 179.66666666666666) internal successors, (539), 3 states have internal predecessors, (539), 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) [2025-03-15 00:43:21,138 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 00:43:21,138 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 177 of 207 [2025-03-15 00:43:21,138 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 00:43:21,221 INFO L124 PetriNetUnfolderBase]: 24/327 cut-off events. [2025-03-15 00:43:21,221 INFO L125 PetriNetUnfolderBase]: For 432/481 co-relation queries the response was YES. [2025-03-15 00:43:21,222 INFO L83 FinitePrefix]: Finished finitePrefix Result has 769 conditions, 327 events. 24/327 cut-off events. For 432/481 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 757 event pairs, 6 based on Foata normal form. 0/322 useless extension candidates. Maximal degree in co-relation 494. Up to 79 conditions per place. [2025-03-15 00:43:21,222 INFO L140 encePairwiseOnDemand]: 204/207 looper letters, 0 selfloop transitions, 0 changer transitions 203/203 dead transitions. [2025-03-15 00:43:21,222 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 213 places, 203 transitions, 713 flow [2025-03-15 00:43:21,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-15 00:43:21,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-15 00:43:21,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 555 transitions. [2025-03-15 00:43:21,226 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.893719806763285 [2025-03-15 00:43:21,227 INFO L298 CegarLoopForPetriNet]: 212 programPoint places, 1 predicate places. [2025-03-15 00:43:21,227 INFO L471 AbstractCegarLoop]: Abstraction has has 213 places, 203 transitions, 713 flow [2025-03-15 00:43:21,228 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 179.66666666666666) internal successors, (539), 3 states have internal predecessors, (539), 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) [2025-03-15 00:43:21,240 INFO L161 wickiGriesTestDumper]: Dumping Owicki-Gries test to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/13-privatized_67-pthread_cond_wait_unknown_1_pos.i_petrified1_AllErrorsAtOnce [2025-03-15 00:43:21,264 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (11 of 12 remaining) [2025-03-15 00:43:21,265 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (10 of 12 remaining) [2025-03-15 00:43:21,265 INFO L782 garLoopResultBuilder]: Registering result SAFE for location f1Err0ASSERT_VIOLATIONDATA_RACE (9 of 12 remaining) [2025-03-15 00:43:21,265 INFO L782 garLoopResultBuilder]: Registering result SAFE for location f1Err1ASSERT_VIOLATIONDATA_RACE (8 of 12 remaining) [2025-03-15 00:43:21,265 INFO L782 garLoopResultBuilder]: Registering result SAFE for location f1Err2ASSERT_VIOLATIONDATA_RACE (7 of 12 remaining) [2025-03-15 00:43:21,265 INFO L782 garLoopResultBuilder]: Registering result SAFE for location f2Err0ASSERT_VIOLATIONDATA_RACE (6 of 12 remaining) [2025-03-15 00:43:21,265 INFO L782 garLoopResultBuilder]: Registering result SAFE for location f2Err1ASSERT_VIOLATIONDATA_RACE (5 of 12 remaining) [2025-03-15 00:43:21,265 INFO L782 garLoopResultBuilder]: Registering result SAFE for location f1Err0ASSERT_VIOLATIONDATA_RACE (4 of 12 remaining) [2025-03-15 00:43:21,265 INFO L782 garLoopResultBuilder]: Registering result SAFE for location f1Err1ASSERT_VIOLATIONDATA_RACE (3 of 12 remaining) [2025-03-15 00:43:21,265 INFO L782 garLoopResultBuilder]: Registering result SAFE for location f1Err2ASSERT_VIOLATIONDATA_RACE (2 of 12 remaining) [2025-03-15 00:43:21,265 INFO L782 garLoopResultBuilder]: Registering result SAFE for location f2Err0ASSERT_VIOLATIONDATA_RACE (1 of 12 remaining) [2025-03-15 00:43:21,265 INFO L782 garLoopResultBuilder]: Registering result SAFE for location f2Err1ASSERT_VIOLATIONDATA_RACE (0 of 12 remaining) [2025-03-15 00:43:21,266 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-03-15 00:43:21,266 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2025-03-15 00:43:21,271 INFO L328 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2025-03-15 00:43:21,272 INFO L188 ceAbstractionStarter]: Computing trace abstraction results [2025-03-15 00:43:21,278 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.03 12:43:21 BasicIcfg [2025-03-15 00:43:21,278 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-03-15 00:43:21,278 INFO L158 Benchmark]: Toolchain (without parser) took 3389.10ms. Allocated memory was 71.3MB in the beginning and 167.8MB in the end (delta: 96.5MB). Free memory was 42.7MB in the beginning and 116.8MB in the end (delta: -74.1MB). Peak memory consumption was 72.9MB. Max. memory is 8.0GB. [2025-03-15 00:43:21,279 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 71.3MB. Free memory was 33.9MB in the beginning and 33.9MB in the end (delta: 42.0kB). There was no memory consumed. Max. memory is 8.0GB. [2025-03-15 00:43:21,279 INFO L158 Benchmark]: CACSL2BoogieTranslator took 672.75ms. Allocated memory is still 71.3MB. Free memory was 42.6MB in the beginning and 27.5MB in the end (delta: 15.1MB). Peak memory consumption was 31.6MB. Max. memory is 8.0GB. [2025-03-15 00:43:21,279 INFO L158 Benchmark]: Boogie Procedure Inliner took 62.05ms. Allocated memory is still 71.3MB. Free memory was 27.5MB in the beginning and 24.6MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. [2025-03-15 00:43:21,279 INFO L158 Benchmark]: Boogie Preprocessor took 43.44ms. Allocated memory is still 71.3MB. Free memory was 24.6MB in the beginning and 22.1MB in the end (delta: 2.5MB). There was no memory consumed. Max. memory is 8.0GB. [2025-03-15 00:43:21,279 INFO L158 Benchmark]: RCFGBuilder took 521.51ms. Allocated memory is still 71.3MB. Free memory was 22.1MB in the beginning and 17.4MB in the end (delta: 4.7MB). Peak memory consumption was 8.2MB. Max. memory is 8.0GB. [2025-03-15 00:43:21,280 INFO L158 Benchmark]: TraceAbstraction took 2083.17ms. Allocated memory was 71.3MB in the beginning and 167.8MB in the end (delta: 96.5MB). Free memory was 16.5MB in the beginning and 116.8MB in the end (delta: -100.2MB). Peak memory consumption was 48.1MB. Max. memory is 8.0GB. [2025-03-15 00:43:21,283 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 71.3MB. Free memory was 33.9MB in the beginning and 33.9MB in the end (delta: 42.0kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 672.75ms. Allocated memory is still 71.3MB. Free memory was 42.6MB in the beginning and 27.5MB in the end (delta: 15.1MB). Peak memory consumption was 31.6MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 62.05ms. Allocated memory is still 71.3MB. Free memory was 27.5MB in the beginning and 24.6MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. * Boogie Preprocessor took 43.44ms. Allocated memory is still 71.3MB. Free memory was 24.6MB in the beginning and 22.1MB in the end (delta: 2.5MB). There was no memory consumed. Max. memory is 8.0GB. * RCFGBuilder took 521.51ms. Allocated memory is still 71.3MB. Free memory was 22.1MB in the beginning and 17.4MB in the end (delta: 4.7MB). Peak memory consumption was 8.2MB. Max. memory is 8.0GB. * TraceAbstraction took 2083.17ms. Allocated memory was 71.3MB in the beginning and 167.8MB in the end (delta: 96.5MB). Free memory was 16.5MB in the beginning and 116.8MB in the end (delta: -100.2MB). Peak memory consumption was 48.1MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 1356]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1358]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1359]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1365]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1366]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 265 locations, 12 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.1s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 2.0s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 29 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 29 mSDsluCounter, 62 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 9 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 183 IncrementalHoareTripleChecker+Invalid, 192 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 9 mSolverCounterUnsat, 62 mSDtfsCounter, 183 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 11 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=735occurred in iteration=2, InterpolantAutomatonStates: 15, 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: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 739 NumberOfCodeBlocks, 739 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 734 ConstructedInterpolants, 0 QuantifiedInterpolants, 784 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 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: No data available - AllSpecificationsHoldResult: All specifications hold 5 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2025-03-15 00:43:21,299 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...