/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_42-traces-ex-mini_true.i -------------------------------------------------------------------------------- This is Ultimate 0.3.0-wip.dk.empire2-owicki-f61efc6-m [2025-03-15 00:42:53,725 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-15 00:42:53,842 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 00:42:53,869 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-15 00:42:53,870 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-15 00:42:53,870 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-15 00:42:53,871 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-15 00:42:53,871 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-15 00:42:53,871 INFO L153 SettingsManager]: * Use SBE=true [2025-03-15 00:42:53,871 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-15 00:42:53,872 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-15 00:42:53,872 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-15 00:42:53,872 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-15 00:42:53,872 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-15 00:42:53,873 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-15 00:42:53,873 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-15 00:42:53,873 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-15 00:42:53,873 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-15 00:42:53,873 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-15 00:42:53,873 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-15 00:42:53,873 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-15 00:42:53,873 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-03-15 00:42:53,873 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-15 00:42:53,873 INFO L153 SettingsManager]: * To the following directory=./dump/ [2025-03-15 00:42:53,874 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-15 00:42:53,874 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2025-03-15 00:42:53,874 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-15 00:42:53,874 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-15 00:42:53,874 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-15 00:42:53,874 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-15 00:42:53,874 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-15 00:42:53,874 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-15 00:42:53,874 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 00:42:54,138 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-15 00:42:54,144 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-15 00:42:54,145 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-15 00:42:54,146 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-15 00:42:54,147 INFO L274 PluginConnector]: CDTParser initialized [2025-03-15 00:42:54,148 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/13-privatized_42-traces-ex-mini_true.i [2025-03-15 00:42:55,307 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bebe2c53e/1834cdb944d94a8c8c5d74d41788bbb7/FLAG3284aec71 [2025-03-15 00:42:55,532 INFO L384 CDTParser]: Found 1 translation units. [2025-03-15 00:42:55,533 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_42-traces-ex-mini_true.i [2025-03-15 00:42:55,548 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bebe2c53e/1834cdb944d94a8c8c5d74d41788bbb7/FLAG3284aec71 [2025-03-15 00:42:55,563 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bebe2c53e/1834cdb944d94a8c8c5d74d41788bbb7 [2025-03-15 00:42:55,565 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-15 00:42:55,568 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2025-03-15 00:42:55,569 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-15 00:42:55,569 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-15 00:42:55,573 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-15 00:42:55,574 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.03 12:42:55" (1/1) ... [2025-03-15 00:42:55,574 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2fd12cc5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 12:42:55, skipping insertion in model container [2025-03-15 00:42:55,574 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.03 12:42:55" (1/1) ... [2025-03-15 00:42:55,600 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-15 00:42:55,802 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-15 00:42:55,817 INFO L200 MainTranslator]: Completed pre-run [2025-03-15 00:42:55,856 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-15 00:42:55,886 INFO L204 MainTranslator]: Completed translation [2025-03-15 00:42:55,886 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 12:42:55 WrapperNode [2025-03-15 00:42:55,886 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-15 00:42:55,887 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-15 00:42:55,887 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-15 00:42:55,887 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-15 00:42:55,891 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 12:42:55" (1/1) ... [2025-03-15 00:42:55,902 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 12:42:55" (1/1) ... [2025-03-15 00:42:55,917 INFO L138 Inliner]: procedures = 162, calls = 37, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 67 [2025-03-15 00:42:55,917 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-15 00:42:55,917 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-15 00:42:55,917 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-15 00:42:55,917 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-15 00:42:55,922 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 12:42:55" (1/1) ... [2025-03-15 00:42:55,923 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 12:42:55" (1/1) ... [2025-03-15 00:42:55,924 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 12:42:55" (1/1) ... [2025-03-15 00:42:55,924 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 12:42:55" (1/1) ... [2025-03-15 00:42:55,928 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 12:42:55" (1/1) ... [2025-03-15 00:42:55,929 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 12:42:55" (1/1) ... [2025-03-15 00:42:55,935 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 12:42:55" (1/1) ... [2025-03-15 00:42:55,935 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 12:42:55" (1/1) ... [2025-03-15 00:42:55,936 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 12:42:55" (1/1) ... [2025-03-15 00:42:55,937 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-15 00:42:55,942 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-03-15 00:42:55,942 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-03-15 00:42:55,942 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-03-15 00:42:55,943 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 12:42:55" (1/1) ... [2025-03-15 00:42:55,947 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2025-03-15 00:42:55,957 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-15 00:42:55,970 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 00:42:55,972 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 00:42:56,004 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2025-03-15 00:42:56,004 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-15 00:42:56,004 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2025-03-15 00:42:56,004 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2025-03-15 00:42:56,004 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2025-03-15 00:42:56,004 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2025-03-15 00:42:56,004 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-15 00:42:56,004 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-15 00:42:56,005 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 00:42:56,098 INFO L234 CfgBuilder]: Building ICFG [2025-03-15 00:42:56,100 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-15 00:42:56,223 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-03-15 00:42:56,223 INFO L283 CfgBuilder]: Performing block encoding [2025-03-15 00:42:56,242 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-15 00:42:56,243 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-15 00:42:56,243 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.03 12:42:56 BoogieIcfgContainer [2025-03-15 00:42:56,243 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-03-15 00:42:56,245 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-15 00:42:56,245 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-15 00:42:56,249 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-15 00:42:56,249 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.03 12:42:55" (1/3) ... [2025-03-15 00:42:56,249 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@167f62cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.03 12:42:56, skipping insertion in model container [2025-03-15 00:42:56,249 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 12:42:55" (2/3) ... [2025-03-15 00:42:56,249 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@167f62cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.03 12:42:56, skipping insertion in model container [2025-03-15 00:42:56,249 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.03 12:42:56" (3/3) ... [2025-03-15 00:42:56,250 INFO L128 eAbstractionObserver]: Analyzing ICFG 13-privatized_42-traces-ex-mini_true.i [2025-03-15 00:42:56,260 INFO L303 ceAbstractionStarter]: Automizer settings: Hoare:All NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-15 00:42:56,261 INFO L169 ceAbstractionStarter]: Applying trace abstraction to ICFG 13-privatized_42-traces-ex-mini_true.i that has 2 procedures, 92 locations, 1 initial locations, 0 loop locations, and 3 error locations. [2025-03-15 00:42:56,261 INFO L581 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-03-15 00:42:56,298 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2025-03-15 00:42:56,326 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-15 00:42:56,336 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;@63693198, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-15 00:42:56,337 INFO L334 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2025-03-15 00:42:56,370 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2025-03-15 00:42:56,370 INFO L124 PetriNetUnfolderBase]: 0/52 cut-off events. [2025-03-15 00:42:56,371 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-03-15 00:42:56,373 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 00:42:56,373 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 00:42:56,374 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONDATA_RACE (and 3 more)] === [2025-03-15 00:42:56,378 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 00:42:56,378 INFO L85 PathProgramCache]: Analyzing trace with hash -1358503425, now seen corresponding path program 1 times [2025-03-15 00:42:56,383 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 00:42:56,384 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1061199360] [2025-03-15 00:42:56,385 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-15 00:42:56,385 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 00:42:56,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-15 00:42:56,578 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 00:42:56,579 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 00:42:56,579 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1061199360] [2025-03-15 00:42:56,580 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1061199360] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 00:42:56,580 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 00:42:56,580 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-15 00:42:56,581 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1926898453] [2025-03-15 00:42:56,581 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 00:42:56,586 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-15 00:42:56,589 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 00:42:56,605 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-15 00:42:56,605 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-15 00:42:56,607 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 68 out of 93 [2025-03-15 00:42:56,610 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 95 places, 93 transitions, 190 flow. Second operand has 3 states, 3 states have (on average 70.0) internal successors, (210), 3 states have internal predecessors, (210), 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 00:42:56,610 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 00:42:56,610 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 68 of 93 [2025-03-15 00:42:56,611 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 00:42:56,804 INFO L124 PetriNetUnfolderBase]: 114/489 cut-off events. [2025-03-15 00:42:56,804 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2025-03-15 00:42:56,809 INFO L83 FinitePrefix]: Finished finitePrefix Result has 746 conditions, 489 events. 114/489 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 2541 event pairs, 86 based on Foata normal form. 20/458 useless extension candidates. Maximal degree in co-relation 705. Up to 211 conditions per place. [2025-03-15 00:42:56,812 INFO L140 encePairwiseOnDemand]: 86/93 looper letters, 29 selfloop transitions, 4 changer transitions 0/99 dead transitions. [2025-03-15 00:42:56,812 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 94 places, 99 transitions, 267 flow [2025-03-15 00:42:56,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-15 00:42:56,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-15 00:42:56,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 242 transitions. [2025-03-15 00:42:56,821 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.8673835125448028 [2025-03-15 00:42:56,824 INFO L298 CegarLoopForPetriNet]: 95 programPoint places, -1 predicate places. [2025-03-15 00:42:56,824 INFO L471 AbstractCegarLoop]: Abstraction has has 94 places, 99 transitions, 267 flow [2025-03-15 00:42:56,824 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 70.0) internal successors, (210), 3 states have internal predecessors, (210), 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 00:42:56,824 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 00:42:56,825 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] [2025-03-15 00:42:56,825 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-03-15 00:42:56,825 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONDATA_RACE (and 3 more)] === [2025-03-15 00:42:56,826 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 00:42:56,826 INFO L85 PathProgramCache]: Analyzing trace with hash -607025058, now seen corresponding path program 1 times [2025-03-15 00:42:56,826 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 00:42:56,826 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1304720763] [2025-03-15 00:42:56,826 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-15 00:42:56,826 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 00:42:56,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-15 00:42:56,887 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 00:42:56,888 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 00:42:56,888 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1304720763] [2025-03-15 00:42:56,888 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1304720763] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 00:42:56,888 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 00:42:56,888 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-15 00:42:56,888 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [141836297] [2025-03-15 00:42:56,888 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 00:42:56,889 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-15 00:42:56,889 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 00:42:56,889 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-15 00:42:56,890 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-15 00:42:56,890 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 70 out of 93 [2025-03-15 00:42:56,891 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 94 places, 99 transitions, 267 flow. Second operand has 3 states, 3 states have (on average 72.0) internal successors, (216), 3 states have internal predecessors, (216), 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 00:42:56,891 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 00:42:56,891 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 70 of 93 [2025-03-15 00:42:56,891 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 00:42:57,032 INFO L124 PetriNetUnfolderBase]: 133/629 cut-off events. [2025-03-15 00:42:57,032 INFO L125 PetriNetUnfolderBase]: For 99/156 co-relation queries the response was YES. [2025-03-15 00:42:57,034 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1212 conditions, 629 events. 133/629 cut-off events. For 99/156 co-relation queries the response was YES. Maximal size of possible extension queue 34. Compared 3685 event pairs, 40 based on Foata normal form. 5/584 useless extension candidates. Maximal degree in co-relation 1169. Up to 253 conditions per place. [2025-03-15 00:42:57,036 INFO L140 encePairwiseOnDemand]: 88/93 looper letters, 39 selfloop transitions, 6 changer transitions 2/116 dead transitions. [2025-03-15 00:42:57,036 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 96 places, 116 transitions, 429 flow [2025-03-15 00:42:57,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-15 00:42:57,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-15 00:42:57,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 244 transitions. [2025-03-15 00:42:57,041 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.8745519713261649 [2025-03-15 00:42:57,041 INFO L298 CegarLoopForPetriNet]: 95 programPoint places, 1 predicate places. [2025-03-15 00:42:57,041 INFO L471 AbstractCegarLoop]: Abstraction has has 96 places, 116 transitions, 429 flow [2025-03-15 00:42:57,041 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 72.0) internal successors, (216), 3 states have internal predecessors, (216), 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 00:42:57,041 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 00:42:57,041 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] [2025-03-15 00:42:57,042 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-03-15 00:42:57,042 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONDATA_RACE (and 3 more)] === [2025-03-15 00:42:57,042 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 00:42:57,042 INFO L85 PathProgramCache]: Analyzing trace with hash -1711084680, now seen corresponding path program 1 times [2025-03-15 00:42:57,042 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 00:42:57,044 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1951866487] [2025-03-15 00:42:57,044 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-15 00:42:57,044 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 00:42:57,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-15 00:42:57,128 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 00:42:57,128 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 00:42:57,128 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1951866487] [2025-03-15 00:42:57,128 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1951866487] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 00:42:57,128 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 00:42:57,128 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-15 00:42:57,128 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1819618761] [2025-03-15 00:42:57,128 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 00:42:57,129 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-15 00:42:57,129 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 00:42:57,129 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-15 00:42:57,129 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-15 00:42:57,130 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 68 out of 93 [2025-03-15 00:42:57,130 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 96 places, 116 transitions, 429 flow. Second operand has 3 states, 3 states have (on average 71.0) internal successors, (213), 3 states have internal predecessors, (213), 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 00:42:57,130 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 00:42:57,130 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 68 of 93 [2025-03-15 00:42:57,130 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 00:42:57,242 INFO L124 PetriNetUnfolderBase]: 157/711 cut-off events. [2025-03-15 00:42:57,243 INFO L125 PetriNetUnfolderBase]: For 358/501 co-relation queries the response was YES. [2025-03-15 00:42:57,246 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1658 conditions, 711 events. 157/711 cut-off events. For 358/501 co-relation queries the response was YES. Maximal size of possible extension queue 36. Compared 4292 event pairs, 45 based on Foata normal form. 6/672 useless extension candidates. Maximal degree in co-relation 1613. Up to 271 conditions per place. [2025-03-15 00:42:57,248 INFO L140 encePairwiseOnDemand]: 88/93 looper letters, 34 selfloop transitions, 4 changer transitions 25/130 dead transitions. [2025-03-15 00:42:57,248 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 98 places, 130 transitions, 635 flow [2025-03-15 00:42:57,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-15 00:42:57,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-15 00:42:57,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 238 transitions. [2025-03-15 00:42:57,250 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.8530465949820788 [2025-03-15 00:42:57,251 INFO L298 CegarLoopForPetriNet]: 95 programPoint places, 3 predicate places. [2025-03-15 00:42:57,251 INFO L471 AbstractCegarLoop]: Abstraction has has 98 places, 130 transitions, 635 flow [2025-03-15 00:42:57,251 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 71.0) internal successors, (213), 3 states have internal predecessors, (213), 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 00:42:57,251 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 00:42:57,251 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 00:42:57,251 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-03-15 00:42:57,251 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONDATA_RACE (and 3 more)] === [2025-03-15 00:42:57,254 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 00:42:57,254 INFO L85 PathProgramCache]: Analyzing trace with hash -1525480086, now seen corresponding path program 1 times [2025-03-15 00:42:57,254 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 00:42:57,254 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1095867765] [2025-03-15 00:42:57,254 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-15 00:42:57,254 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 00:42:57,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-15 00:42:57,500 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 00:42:57,500 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 00:42:57,500 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1095867765] [2025-03-15 00:42:57,500 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1095867765] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 00:42:57,500 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 00:42:57,500 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-15 00:42:57,500 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [955993069] [2025-03-15 00:42:57,500 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 00:42:57,501 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-15 00:42:57,501 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 00:42:57,501 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-15 00:42:57,501 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2025-03-15 00:42:57,502 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 67 out of 93 [2025-03-15 00:42:57,502 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 98 places, 130 transitions, 635 flow. Second operand has 5 states, 5 states have (on average 70.6) internal successors, (353), 5 states have internal predecessors, (353), 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 00:42:57,504 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 00:42:57,505 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 67 of 93 [2025-03-15 00:42:57,505 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 00:42:57,624 INFO L124 PetriNetUnfolderBase]: 97/503 cut-off events. [2025-03-15 00:42:57,625 INFO L125 PetriNetUnfolderBase]: For 536/586 co-relation queries the response was YES. [2025-03-15 00:42:57,625 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1295 conditions, 503 events. 97/503 cut-off events. For 536/586 co-relation queries the response was YES. Maximal size of possible extension queue 29. Compared 2721 event pairs, 20 based on Foata normal form. 11/492 useless extension candidates. Maximal degree in co-relation 1236. Up to 193 conditions per place. [2025-03-15 00:42:57,626 INFO L140 encePairwiseOnDemand]: 86/93 looper letters, 21 selfloop transitions, 7 changer transitions 30/125 dead transitions. [2025-03-15 00:42:57,626 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 101 places, 125 transitions, 701 flow [2025-03-15 00:42:57,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-15 00:42:57,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2025-03-15 00:42:57,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 366 transitions. [2025-03-15 00:42:57,631 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.7870967741935484 [2025-03-15 00:42:57,631 INFO L298 CegarLoopForPetriNet]: 95 programPoint places, 6 predicate places. [2025-03-15 00:42:57,631 INFO L471 AbstractCegarLoop]: Abstraction has has 101 places, 125 transitions, 701 flow [2025-03-15 00:42:57,632 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 70.6) internal successors, (353), 5 states have internal predecessors, (353), 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 00:42:57,632 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 00:42:57,632 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] [2025-03-15 00:42:57,632 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-03-15 00:42:57,632 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 00:42:57,633 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 00:42:57,633 INFO L85 PathProgramCache]: Analyzing trace with hash -336823125, now seen corresponding path program 1 times [2025-03-15 00:42:57,633 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 00:42:57,633 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1406577271] [2025-03-15 00:42:57,633 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-15 00:42:57,633 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 00:42:57,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-15 00:42:57,822 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 00:42:57,822 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 00:42:57,822 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1406577271] [2025-03-15 00:42:57,823 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1406577271] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 00:42:57,823 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 00:42:57,823 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2025-03-15 00:42:57,823 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [798439157] [2025-03-15 00:42:57,823 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 00:42:57,823 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-15 00:42:57,823 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 00:42:57,823 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-15 00:42:57,824 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2025-03-15 00:42:57,825 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 67 out of 93 [2025-03-15 00:42:57,825 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 101 places, 125 transitions, 701 flow. Second operand has 6 states, 6 states have (on average 70.16666666666667) internal successors, (421), 6 states have internal predecessors, (421), 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 00:42:57,825 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 00:42:57,825 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 67 of 93 [2025-03-15 00:42:57,825 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 00:42:57,918 INFO L124 PetriNetUnfolderBase]: 47/316 cut-off events. [2025-03-15 00:42:57,918 INFO L125 PetriNetUnfolderBase]: For 549/557 co-relation queries the response was YES. [2025-03-15 00:42:57,919 INFO L83 FinitePrefix]: Finished finitePrefix Result has 924 conditions, 316 events. 47/316 cut-off events. For 549/557 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 1308 event pairs, 7 based on Foata normal form. 5/318 useless extension candidates. Maximal degree in co-relation 851. Up to 116 conditions per place. [2025-03-15 00:42:57,919 INFO L140 encePairwiseOnDemand]: 86/93 looper letters, 0 selfloop transitions, 0 changer transitions 117/117 dead transitions. [2025-03-15 00:42:57,919 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 103 places, 117 transitions, 755 flow [2025-03-15 00:42:57,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-15 00:42:57,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2025-03-15 00:42:57,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 365 transitions. [2025-03-15 00:42:57,921 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.7849462365591398 [2025-03-15 00:42:57,926 INFO L298 CegarLoopForPetriNet]: 95 programPoint places, 8 predicate places. [2025-03-15 00:42:57,926 INFO L471 AbstractCegarLoop]: Abstraction has has 103 places, 117 transitions, 755 flow [2025-03-15 00:42:57,926 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 70.16666666666667) internal successors, (421), 6 states have internal predecessors, (421), 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 00:42:57,935 INFO L161 wickiGriesTestDumper]: Dumping Owicki-Gries test to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/13-privatized_42-traces-ex-mini_true.i_petrified1_AllErrorsAtOnce [2025-03-15 00:42:57,952 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (5 of 6 remaining) [2025-03-15 00:42:57,952 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (4 of 6 remaining) [2025-03-15 00:42:57,952 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (3 of 6 remaining) [2025-03-15 00:42:57,952 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (2 of 6 remaining) [2025-03-15 00:42:57,952 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (1 of 6 remaining) [2025-03-15 00:42:57,952 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (0 of 6 remaining) [2025-03-15 00:42:57,953 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-03-15 00:42:57,953 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2025-03-15 00:42:57,959 INFO L328 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2025-03-15 00:42:57,959 INFO L188 ceAbstractionStarter]: Computing trace abstraction results [2025-03-15 00:42:57,962 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.03 12:42:57 BasicIcfg [2025-03-15 00:42:57,962 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-03-15 00:42:57,963 INFO L158 Benchmark]: Toolchain (without parser) took 2396.56ms. Allocated memory was 71.3MB in the beginning and 88.1MB in the end (delta: 16.8MB). Free memory was 44.2MB in the beginning and 36.6MB in the end (delta: 7.5MB). Peak memory consumption was 21.4MB. Max. memory is 8.0GB. [2025-03-15 00:42:57,963 INFO L158 Benchmark]: CDTParser took 1.07ms. Allocated memory is still 71.3MB. Free memory was 33.6MB in the beginning and 33.6MB in the end (delta: 42.0kB). There was no memory consumed. Max. memory is 8.0GB. [2025-03-15 00:42:57,963 INFO L158 Benchmark]: CACSL2BoogieTranslator took 317.97ms. Allocated memory is still 71.3MB. Free memory was 44.0MB in the beginning and 24.4MB in the end (delta: 19.6MB). Peak memory consumption was 16.8MB. Max. memory is 8.0GB. [2025-03-15 00:42:57,963 INFO L158 Benchmark]: Boogie Procedure Inliner took 29.89ms. Allocated memory is still 71.3MB. Free memory was 24.4MB in the beginning and 22.7MB in the end (delta: 1.7MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. [2025-03-15 00:42:57,963 INFO L158 Benchmark]: Boogie Preprocessor took 19.94ms. Allocated memory is still 71.3MB. Free memory was 22.6MB in the beginning and 21.6MB in the end (delta: 954.3kB). There was no memory consumed. Max. memory is 8.0GB. [2025-03-15 00:42:57,964 INFO L158 Benchmark]: RCFGBuilder took 301.35ms. Allocated memory is still 71.3MB. Free memory was 21.6MB in the beginning and 32.9MB in the end (delta: -11.3MB). Peak memory consumption was 7.1MB. Max. memory is 8.0GB. [2025-03-15 00:42:57,964 INFO L158 Benchmark]: TraceAbstraction took 1717.57ms. Allocated memory was 71.3MB in the beginning and 88.1MB in the end (delta: 16.8MB). Free memory was 31.7MB in the beginning and 36.6MB in the end (delta: -5.0MB). Peak memory consumption was 10.2MB. Max. memory is 8.0GB. [2025-03-15 00:42:57,965 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.07ms. Allocated memory is still 71.3MB. Free memory was 33.6MB in the beginning and 33.6MB in the end (delta: 42.0kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 317.97ms. Allocated memory is still 71.3MB. Free memory was 44.0MB in the beginning and 24.4MB in the end (delta: 19.6MB). Peak memory consumption was 16.8MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 29.89ms. Allocated memory is still 71.3MB. Free memory was 24.4MB in the beginning and 22.7MB in the end (delta: 1.7MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. * Boogie Preprocessor took 19.94ms. Allocated memory is still 71.3MB. Free memory was 22.6MB in the beginning and 21.6MB in the end (delta: 954.3kB). There was no memory consumed. Max. memory is 8.0GB. * RCFGBuilder took 301.35ms. Allocated memory is still 71.3MB. Free memory was 21.6MB in the beginning and 32.9MB in the end (delta: -11.3MB). Peak memory consumption was 7.1MB. Max. memory is 8.0GB. * TraceAbstraction took 1717.57ms. Allocated memory was 71.3MB in the beginning and 88.1MB in the end (delta: 16.8MB). Free memory was 31.7MB in the beginning and 36.6MB in the end (delta: -5.0MB). Peak memory consumption was 10.2MB. 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: 688]: 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, 117 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: 1.6s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 82 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 82 mSDsluCounter, 36 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1 mSDsCounter, 13 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 247 IncrementalHoareTripleChecker+Invalid, 260 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 13 mSolverCounterUnsat, 35 mSDtfsCounter, 247 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 23 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=755occurred in iteration=5, InterpolantAutomatonStates: 19, 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, 0.6s InterpolantComputationTime, 253 NumberOfCodeBlocks, 253 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 248 ConstructedInterpolants, 0 QuantifiedInterpolants, 578 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 00:42:57,976 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...