/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_38-traces-ex-4-switch_true.i -------------------------------------------------------------------------------- This is Ultimate 0.3.0-wip.dk.empire2-owicki-f61efc6-m [2025-03-15 00:42:45,467 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-15 00:42:45,564 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 00:42:45,586 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-15 00:42:45,587 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-15 00:42:45,587 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-15 00:42:45,587 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-15 00:42:45,587 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-15 00:42:45,587 INFO L153 SettingsManager]: * Use SBE=true [2025-03-15 00:42:45,588 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-15 00:42:45,588 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-15 00:42:45,588 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-15 00:42:45,588 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-15 00:42:45,588 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-15 00:42:45,588 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-15 00:42:45,588 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-15 00:42:45,588 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-15 00:42:45,588 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-15 00:42:45,588 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-15 00:42:45,588 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-15 00:42:45,588 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-15 00:42:45,589 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-03-15 00:42:45,589 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-15 00:42:45,589 INFO L153 SettingsManager]: * To the following directory=./dump/ [2025-03-15 00:42:45,589 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-15 00:42:45,589 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2025-03-15 00:42:45,589 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-15 00:42:45,589 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-15 00:42:45,590 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-15 00:42:45,590 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-15 00:42:45,590 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-15 00:42:45,590 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-15 00:42:45,590 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 00:42:45,831 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-15 00:42:45,837 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-15 00:42:45,839 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-15 00:42:45,839 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-15 00:42:45,839 INFO L274 PluginConnector]: CDTParser initialized [2025-03-15 00:42:45,840 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/13-privatized_38-traces-ex-4-switch_true.i [2025-03-15 00:42:47,004 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ba891a33a/8fd6ab183b0f421ea77e51d289c83a04/FLAG488058ab5 [2025-03-15 00:42:47,280 INFO L384 CDTParser]: Found 1 translation units. [2025-03-15 00:42:47,281 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_38-traces-ex-4-switch_true.i [2025-03-15 00:42:47,297 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ba891a33a/8fd6ab183b0f421ea77e51d289c83a04/FLAG488058ab5 [2025-03-15 00:42:47,605 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ba891a33a/8fd6ab183b0f421ea77e51d289c83a04 [2025-03-15 00:42:47,607 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-15 00:42:47,608 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2025-03-15 00:42:47,610 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-15 00:42:47,610 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-15 00:42:47,613 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-15 00:42:47,614 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.03 12:42:47" (1/1) ... [2025-03-15 00:42:47,615 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@587f2068 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 12:42:47, skipping insertion in model container [2025-03-15 00:42:47,615 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.03 12:42:47" (1/1) ... [2025-03-15 00:42:47,642 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-15 00:42:47,828 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-15 00:42:47,844 INFO L200 MainTranslator]: Completed pre-run [2025-03-15 00:42:47,893 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-15 00:42:47,928 INFO L204 MainTranslator]: Completed translation [2025-03-15 00:42:47,929 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 12:42:47 WrapperNode [2025-03-15 00:42:47,929 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-15 00:42:47,930 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-15 00:42:47,930 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-15 00:42:47,931 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-15 00:42:47,936 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 12:42:47" (1/1) ... [2025-03-15 00:42:47,946 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 12:42:47" (1/1) ... [2025-03-15 00:42:47,963 INFO L138 Inliner]: procedures = 162, calls = 31, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 54 [2025-03-15 00:42:47,965 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-15 00:42:47,966 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-15 00:42:47,966 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-15 00:42:47,966 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-15 00:42:47,971 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 12:42:47" (1/1) ... [2025-03-15 00:42:47,971 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 12:42:47" (1/1) ... [2025-03-15 00:42:47,974 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 12:42:47" (1/1) ... [2025-03-15 00:42:47,974 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 12:42:47" (1/1) ... [2025-03-15 00:42:47,980 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 12:42:47" (1/1) ... [2025-03-15 00:42:47,981 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 12:42:47" (1/1) ... [2025-03-15 00:42:47,982 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 12:42:47" (1/1) ... [2025-03-15 00:42:47,983 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 12:42:47" (1/1) ... [2025-03-15 00:42:47,987 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 12:42:47" (1/1) ... [2025-03-15 00:42:47,991 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-15 00:42:47,992 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-03-15 00:42:47,992 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-03-15 00:42:47,992 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-03-15 00:42:47,993 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 12:42:47" (1/1) ... [2025-03-15 00:42:48,000 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2025-03-15 00:42:48,012 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-15 00:42:48,029 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 00:42:48,032 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 00:42:48,057 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2025-03-15 00:42:48,057 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-15 00:42:48,057 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2025-03-15 00:42:48,057 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2025-03-15 00:42:48,057 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2025-03-15 00:42:48,058 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2025-03-15 00:42:48,058 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-15 00:42:48,058 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-15 00:42:48,059 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 00:42:48,135 INFO L234 CfgBuilder]: Building ICFG [2025-03-15 00:42:48,136 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-15 00:42:48,265 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-03-15 00:42:48,266 INFO L283 CfgBuilder]: Performing block encoding [2025-03-15 00:42:48,285 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-15 00:42:48,286 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-15 00:42:48,286 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.03 12:42:48 BoogieIcfgContainer [2025-03-15 00:42:48,286 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-03-15 00:42:48,288 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-15 00:42:48,288 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-15 00:42:48,295 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-15 00:42:48,295 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.03 12:42:47" (1/3) ... [2025-03-15 00:42:48,296 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@114f2c52 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.03 12:42:48, skipping insertion in model container [2025-03-15 00:42:48,296 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 12:42:47" (2/3) ... [2025-03-15 00:42:48,296 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@114f2c52 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.03 12:42:48, skipping insertion in model container [2025-03-15 00:42:48,296 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.03 12:42:48" (3/3) ... [2025-03-15 00:42:48,297 INFO L128 eAbstractionObserver]: Analyzing ICFG 13-privatized_38-traces-ex-4-switch_true.i [2025-03-15 00:42:48,306 INFO L303 ceAbstractionStarter]: Automizer settings: Hoare:All NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-15 00:42:48,307 INFO L169 ceAbstractionStarter]: Applying trace abstraction to ICFG 13-privatized_38-traces-ex-4-switch_true.i that has 2 procedures, 85 locations, 1 initial locations, 0 loop locations, and 3 error locations. [2025-03-15 00:42:48,308 INFO L581 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-03-15 00:42:48,351 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2025-03-15 00:42:48,381 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-15 00:42:48,392 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;@7f1d6f13, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-15 00:42:48,393 INFO L334 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2025-03-15 00:42:48,417 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2025-03-15 00:42:48,417 INFO L124 PetriNetUnfolderBase]: 0/43 cut-off events. [2025-03-15 00:42:48,420 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-03-15 00:42:48,420 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 00:42:48,421 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] [2025-03-15 00:42:48,422 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONDATA_RACE (and 3 more)] === [2025-03-15 00:42:48,425 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 00:42:48,425 INFO L85 PathProgramCache]: Analyzing trace with hash -433812595, now seen corresponding path program 1 times [2025-03-15 00:42:48,430 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 00:42:48,430 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1768630321] [2025-03-15 00:42:48,430 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-15 00:42:48,430 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 00:42:48,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-15 00:42:48,588 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 00:42:48,589 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 00:42:48,589 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1768630321] [2025-03-15 00:42:48,589 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1768630321] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 00:42:48,589 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 00:42:48,589 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-15 00:42:48,590 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1390449980] [2025-03-15 00:42:48,591 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 00:42:48,595 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-15 00:42:48,598 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 00:42:48,613 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-15 00:42:48,614 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-15 00:42:48,615 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 63 out of 86 [2025-03-15 00:42:48,618 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 88 places, 86 transitions, 176 flow. Second operand has 3 states, 3 states have (on average 64.66666666666667) internal successors, (194), 3 states have internal predecessors, (194), 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 00:42:48,618 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 00:42:48,619 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 63 of 86 [2025-03-15 00:42:48,620 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 00:42:48,776 INFO L124 PetriNetUnfolderBase]: 107/562 cut-off events. [2025-03-15 00:42:48,776 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2025-03-15 00:42:48,781 INFO L83 FinitePrefix]: Finished finitePrefix Result has 815 conditions, 562 events. 107/562 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 28. Compared 3291 event pairs, 32 based on Foata normal form. 40/549 useless extension candidates. Maximal degree in co-relation 781. Up to 147 conditions per place. [2025-03-15 00:42:48,784 INFO L140 encePairwiseOnDemand]: 79/86 looper letters, 28 selfloop transitions, 4 changer transitions 3/96 dead transitions. [2025-03-15 00:42:48,785 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 87 places, 96 transitions, 265 flow [2025-03-15 00:42:48,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-15 00:42:48,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-15 00:42:48,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 229 transitions. [2025-03-15 00:42:48,797 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.8875968992248062 [2025-03-15 00:42:48,799 INFO L298 CegarLoopForPetriNet]: 88 programPoint places, -1 predicate places. [2025-03-15 00:42:48,800 INFO L471 AbstractCegarLoop]: Abstraction has has 87 places, 96 transitions, 265 flow [2025-03-15 00:42:48,800 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 64.66666666666667) internal successors, (194), 3 states have internal predecessors, (194), 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 00:42:48,800 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 00:42:48,800 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] [2025-03-15 00:42:48,800 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-03-15 00:42:48,800 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONDATA_RACE (and 3 more)] === [2025-03-15 00:42:48,802 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 00:42:48,802 INFO L85 PathProgramCache]: Analyzing trace with hash -766188100, now seen corresponding path program 1 times [2025-03-15 00:42:48,802 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 00:42:48,802 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1870275810] [2025-03-15 00:42:48,802 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-15 00:42:48,802 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 00:42:48,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-15 00:42:48,862 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 00:42:48,862 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 00:42:48,862 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1870275810] [2025-03-15 00:42:48,862 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1870275810] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 00:42:48,862 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 00:42:48,862 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-15 00:42:48,862 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [674563510] [2025-03-15 00:42:48,862 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 00:42:48,863 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-15 00:42:48,863 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 00:42:48,864 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-15 00:42:48,864 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-15 00:42:48,867 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 61 out of 86 [2025-03-15 00:42:48,868 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 87 places, 96 transitions, 265 flow. Second operand has 3 states, 3 states have (on average 63.0) internal successors, (189), 3 states have internal predecessors, (189), 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 00:42:48,868 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 00:42:48,868 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 61 of 86 [2025-03-15 00:42:48,868 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 00:42:48,964 INFO L124 PetriNetUnfolderBase]: 121/633 cut-off events. [2025-03-15 00:42:48,964 INFO L125 PetriNetUnfolderBase]: For 94/133 co-relation queries the response was YES. [2025-03-15 00:42:48,967 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1176 conditions, 633 events. 121/633 cut-off events. For 94/133 co-relation queries the response was YES. Maximal size of possible extension queue 34. Compared 3909 event pairs, 34 based on Foata normal form. 3/587 useless extension candidates. Maximal degree in co-relation 1140. Up to 242 conditions per place. [2025-03-15 00:42:48,968 INFO L140 encePairwiseOnDemand]: 81/86 looper letters, 40 selfloop transitions, 5 changer transitions 3/107 dead transitions. [2025-03-15 00:42:48,968 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 89 places, 107 transitions, 403 flow [2025-03-15 00:42:48,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-15 00:42:48,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-15 00:42:48,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 215 transitions. [2025-03-15 00:42:48,971 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.8333333333333334 [2025-03-15 00:42:48,971 INFO L298 CegarLoopForPetriNet]: 88 programPoint places, 1 predicate places. [2025-03-15 00:42:48,971 INFO L471 AbstractCegarLoop]: Abstraction has has 89 places, 107 transitions, 403 flow [2025-03-15 00:42:48,972 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 63.0) internal successors, (189), 3 states have internal predecessors, (189), 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 00:42:48,972 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 00:42:48,972 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] [2025-03-15 00:42:48,973 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-03-15 00:42:48,973 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONDATA_RACE (and 3 more)] === [2025-03-15 00:42:48,974 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 00:42:48,974 INFO L85 PathProgramCache]: Analyzing trace with hash -791547241, now seen corresponding path program 1 times [2025-03-15 00:42:48,974 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 00:42:48,974 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [814721860] [2025-03-15 00:42:48,974 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-15 00:42:48,974 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 00:42:48,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-15 00:42:49,123 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 00:42:49,123 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 00:42:49,123 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [814721860] [2025-03-15 00:42:49,123 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [814721860] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 00:42:49,123 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 00:42:49,123 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-15 00:42:49,123 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [28608900] [2025-03-15 00:42:49,123 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 00:42:49,124 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-15 00:42:49,124 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 00:42:49,124 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-15 00:42:49,124 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-15 00:42:49,125 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 66 out of 86 [2025-03-15 00:42:49,126 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 89 places, 107 transitions, 403 flow. Second operand has 3 states, 3 states have (on average 69.66666666666667) internal successors, (209), 3 states have internal predecessors, (209), 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 00:42:49,126 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 00:42:49,126 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 66 of 86 [2025-03-15 00:42:49,126 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 00:42:49,230 INFO L124 PetriNetUnfolderBase]: 71/445 cut-off events. [2025-03-15 00:42:49,230 INFO L125 PetriNetUnfolderBase]: For 221/235 co-relation queries the response was YES. [2025-03-15 00:42:49,231 INFO L83 FinitePrefix]: Finished finitePrefix Result has 941 conditions, 445 events. 71/445 cut-off events. For 221/235 co-relation queries the response was YES. Maximal size of possible extension queue 25. Compared 2440 event pairs, 15 based on Foata normal form. 9/424 useless extension candidates. Maximal degree in co-relation 897. Up to 179 conditions per place. [2025-03-15 00:42:49,232 INFO L140 encePairwiseOnDemand]: 79/86 looper letters, 21 selfloop transitions, 10 changer transitions 9/107 dead transitions. [2025-03-15 00:42:49,232 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 90 places, 107 transitions, 483 flow [2025-03-15 00:42:49,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-15 00:42:49,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-15 00:42:49,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 225 transitions. [2025-03-15 00:42:49,235 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.872093023255814 [2025-03-15 00:42:49,235 INFO L298 CegarLoopForPetriNet]: 88 programPoint places, 2 predicate places. [2025-03-15 00:42:49,235 INFO L471 AbstractCegarLoop]: Abstraction has has 90 places, 107 transitions, 483 flow [2025-03-15 00:42:49,236 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 69.66666666666667) internal successors, (209), 3 states have internal predecessors, (209), 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 00:42:49,236 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 00:42:49,236 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] [2025-03-15 00:42:49,236 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-03-15 00:42:49,236 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONDATA_RACE (and 3 more)] === [2025-03-15 00:42:49,236 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 00:42:49,236 INFO L85 PathProgramCache]: Analyzing trace with hash 1218344142, now seen corresponding path program 1 times [2025-03-15 00:42:49,236 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 00:42:49,237 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1590705736] [2025-03-15 00:42:49,237 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-15 00:42:49,237 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 00:42:49,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-15 00:42:49,287 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 00:42:49,287 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 00:42:49,287 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1590705736] [2025-03-15 00:42:49,287 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1590705736] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 00:42:49,288 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 00:42:49,288 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-15 00:42:49,288 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1050193403] [2025-03-15 00:42:49,288 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 00:42:49,288 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-15 00:42:49,288 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 00:42:49,288 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-15 00:42:49,288 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-15 00:42:49,289 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 61 out of 86 [2025-03-15 00:42:49,289 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 90 places, 107 transitions, 483 flow. Second operand has 3 states, 3 states have (on average 64.33333333333333) internal successors, (193), 3 states have internal predecessors, (193), 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 00:42:49,289 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 00:42:49,289 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 61 of 86 [2025-03-15 00:42:49,289 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 00:42:49,400 INFO L124 PetriNetUnfolderBase]: 86/518 cut-off events. [2025-03-15 00:42:49,400 INFO L125 PetriNetUnfolderBase]: For 463/522 co-relation queries the response was YES. [2025-03-15 00:42:49,401 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1263 conditions, 518 events. 86/518 cut-off events. For 463/522 co-relation queries the response was YES. Maximal size of possible extension queue 30. Compared 3016 event pairs, 17 based on Foata normal form. 4/497 useless extension candidates. Maximal degree in co-relation 1217. Up to 189 conditions per place. [2025-03-15 00:42:49,402 INFO L140 encePairwiseOnDemand]: 81/86 looper letters, 26 selfloop transitions, 4 changer transitions 29/118 dead transitions. [2025-03-15 00:42:49,402 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 92 places, 118 transitions, 675 flow [2025-03-15 00:42:49,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-15 00:42:49,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-15 00:42:49,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 214 transitions. [2025-03-15 00:42:49,403 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.8294573643410853 [2025-03-15 00:42:49,404 INFO L298 CegarLoopForPetriNet]: 88 programPoint places, 4 predicate places. [2025-03-15 00:42:49,404 INFO L471 AbstractCegarLoop]: Abstraction has has 92 places, 118 transitions, 675 flow [2025-03-15 00:42:49,404 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 64.33333333333333) internal successors, (193), 3 states have internal predecessors, (193), 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 00:42:49,404 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 00:42:49,404 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] [2025-03-15 00:42:49,404 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-03-15 00:42:49,404 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONDATA_RACE (and 3 more)] === [2025-03-15 00:42:49,405 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 00:42:49,405 INFO L85 PathProgramCache]: Analyzing trace with hash 496321339, now seen corresponding path program 1 times [2025-03-15 00:42:49,405 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 00:42:49,405 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [142735377] [2025-03-15 00:42:49,405 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-15 00:42:49,405 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 00:42:49,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-15 00:42:49,598 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 00:42:49,598 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 00:42:49,598 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [142735377] [2025-03-15 00:42:49,598 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [142735377] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 00:42:49,598 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 00:42:49,598 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-15 00:42:49,598 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1017595438] [2025-03-15 00:42:49,598 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 00:42:49,599 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-15 00:42:49,599 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 00:42:49,599 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-15 00:42:49,599 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2025-03-15 00:42:49,600 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 60 out of 86 [2025-03-15 00:42:49,600 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 92 places, 118 transitions, 675 flow. Second operand has 5 states, 5 states have (on average 63.8) internal successors, (319), 5 states have internal predecessors, (319), 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 00:42:49,600 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 00:42:49,600 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 60 of 86 [2025-03-15 00:42:49,600 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 00:42:49,694 INFO L124 PetriNetUnfolderBase]: 25/258 cut-off events. [2025-03-15 00:42:49,694 INFO L125 PetriNetUnfolderBase]: For 445/445 co-relation queries the response was YES. [2025-03-15 00:42:49,695 INFO L83 FinitePrefix]: Finished finitePrefix Result has 699 conditions, 258 events. 25/258 cut-off events. For 445/445 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 950 event pairs, 0 based on Foata normal form. 15/268 useless extension candidates. Maximal degree in co-relation 639. Up to 89 conditions per place. [2025-03-15 00:42:49,695 INFO L140 encePairwiseOnDemand]: 78/86 looper letters, 0 selfloop transitions, 0 changer transitions 100/100 dead transitions. [2025-03-15 00:42:49,695 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 94 places, 100 transitions, 605 flow [2025-03-15 00:42:49,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-15 00:42:49,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2025-03-15 00:42:49,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 329 transitions. [2025-03-15 00:42:49,698 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.7651162790697674 [2025-03-15 00:42:49,698 INFO L298 CegarLoopForPetriNet]: 88 programPoint places, 6 predicate places. [2025-03-15 00:42:49,698 INFO L471 AbstractCegarLoop]: Abstraction has has 94 places, 100 transitions, 605 flow [2025-03-15 00:42:49,699 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 63.8) internal successors, (319), 5 states have internal predecessors, (319), 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 00:42:49,706 INFO L161 wickiGriesTestDumper]: Dumping Owicki-Gries test to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/13-privatized_38-traces-ex-4-switch_true.i_petrified1_AllErrorsAtOnce [2025-03-15 00:42:49,722 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (5 of 6 remaining) [2025-03-15 00:42:49,722 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (4 of 6 remaining) [2025-03-15 00:42:49,722 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (3 of 6 remaining) [2025-03-15 00:42:49,722 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (2 of 6 remaining) [2025-03-15 00:42:49,722 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (1 of 6 remaining) [2025-03-15 00:42:49,722 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (0 of 6 remaining) [2025-03-15 00:42:49,722 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-03-15 00:42:49,723 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2025-03-15 00:42:49,726 INFO L328 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2025-03-15 00:42:49,726 INFO L188 ceAbstractionStarter]: Computing trace abstraction results [2025-03-15 00:42:49,731 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.03 12:42:49 BasicIcfg [2025-03-15 00:42:49,731 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-03-15 00:42:49,733 INFO L158 Benchmark]: Toolchain (without parser) took 2124.55ms. Allocated memory was 71.3MB in the beginning and 88.1MB in the end (delta: 16.8MB). Free memory was 43.2MB in the beginning and 22.7MB in the end (delta: 20.5MB). Peak memory consumption was 37.0MB. Max. memory is 8.0GB. [2025-03-15 00:42:49,734 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 71.3MB. Free memory was 33.4MB in the beginning and 33.3MB in the end (delta: 42.2kB). There was no memory consumed. Max. memory is 8.0GB. [2025-03-15 00:42:49,734 INFO L158 Benchmark]: CACSL2BoogieTranslator took 319.87ms. Allocated memory is still 71.3MB. Free memory was 43.0MB in the beginning and 23.6MB in the end (delta: 19.4MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. [2025-03-15 00:42:49,735 INFO L158 Benchmark]: Boogie Procedure Inliner took 35.01ms. Allocated memory is still 71.3MB. Free memory was 23.6MB in the beginning and 22.0MB in the end (delta: 1.6MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. [2025-03-15 00:42:49,735 INFO L158 Benchmark]: Boogie Preprocessor took 25.98ms. Allocated memory is still 71.3MB. Free memory was 22.0MB in the beginning and 21.0MB in the end (delta: 996.8kB). There was no memory consumed. Max. memory is 8.0GB. [2025-03-15 00:42:49,735 INFO L158 Benchmark]: RCFGBuilder took 293.95ms. Allocated memory is still 71.3MB. Free memory was 21.0MB in the beginning and 32.7MB in the end (delta: -11.7MB). Peak memory consumption was 7.0MB. Max. memory is 8.0GB. [2025-03-15 00:42:49,735 INFO L158 Benchmark]: TraceAbstraction took 1444.47ms. Allocated memory was 71.3MB in the beginning and 88.1MB in the end (delta: 16.8MB). Free memory was 31.6MB in the beginning and 22.7MB in the end (delta: 8.8MB). Peak memory consumption was 25.8MB. Max. memory is 8.0GB. [2025-03-15 00:42:49,736 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 71.3MB. Free memory was 33.4MB in the beginning and 33.3MB in the end (delta: 42.2kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 319.87ms. Allocated memory is still 71.3MB. Free memory was 43.0MB in the beginning and 23.6MB in the end (delta: 19.4MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 35.01ms. Allocated memory is still 71.3MB. Free memory was 23.6MB in the beginning and 22.0MB in the end (delta: 1.6MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. * Boogie Preprocessor took 25.98ms. Allocated memory is still 71.3MB. Free memory was 22.0MB in the beginning and 21.0MB in the end (delta: 996.8kB). There was no memory consumed. Max. memory is 8.0GB. * RCFGBuilder took 293.95ms. Allocated memory is still 71.3MB. Free memory was 21.0MB in the beginning and 32.7MB in the end (delta: -11.7MB). Peak memory consumption was 7.0MB. Max. memory is 8.0GB. * TraceAbstraction took 1444.47ms. Allocated memory was 71.3MB in the beginning and 88.1MB in the end (delta: 16.8MB). Free memory was 31.6MB in the beginning and 22.7MB in the end (delta: 8.8MB). Peak memory consumption was 25.8MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 700]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 687]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 690]: 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 3 procedures, 114 locations, 6 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 1.4s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 53 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 53 mSDsluCounter, 37 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 15 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 196 IncrementalHoareTripleChecker+Invalid, 211 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 15 mSolverCounterUnsat, 37 mSDtfsCounter, 196 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 17 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=675occurred in iteration=4, InterpolantAutomatonStates: 17, 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, 0.4s InterpolantComputationTime, 216 NumberOfCodeBlocks, 216 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 211 ConstructedInterpolants, 0 QuantifiedInterpolants, 332 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 3 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2025-03-15 00:42:49,751 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...