/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_20-publish-regression_true.i -------------------------------------------------------------------------------- This is Ultimate 0.3.0-wip.dk.empire2-owicki-f61efc6-m [2025-03-15 00:41:52,825 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-15 00:41:52,868 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 00:41:52,927 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-15 00:41:52,929 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-15 00:41:52,929 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-15 00:41:52,929 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-15 00:41:52,929 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-15 00:41:52,930 INFO L153 SettingsManager]: * Use SBE=true [2025-03-15 00:41:52,930 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-15 00:41:52,930 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-15 00:41:52,930 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-15 00:41:52,930 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-15 00:41:52,930 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-15 00:41:52,930 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-15 00:41:52,930 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-15 00:41:52,930 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-15 00:41:52,930 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-15 00:41:52,931 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-15 00:41:52,931 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-15 00:41:52,931 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-15 00:41:52,931 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-03-15 00:41:52,931 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-15 00:41:52,931 INFO L153 SettingsManager]: * To the following directory=./dump/ [2025-03-15 00:41:52,931 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-15 00:41:52,931 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2025-03-15 00:41:52,931 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-15 00:41:52,931 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-15 00:41:52,931 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-15 00:41:52,931 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-15 00:41:52,931 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-15 00:41:52,931 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-15 00:41:52,931 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 00:41:53,169 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-15 00:41:53,178 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-15 00:41:53,179 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-15 00:41:53,180 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-15 00:41:53,180 INFO L274 PluginConnector]: CDTParser initialized [2025-03-15 00:41:53,181 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/13-privatized_20-publish-regression_true.i [2025-03-15 00:41:54,359 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a722d7787/e2c6e0f88759416cb985d64a5461e322/FLAGd680669e8 [2025-03-15 00:41:54,593 INFO L384 CDTParser]: Found 1 translation units. [2025-03-15 00:41:54,593 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_20-publish-regression_true.i [2025-03-15 00:41:54,610 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a722d7787/e2c6e0f88759416cb985d64a5461e322/FLAGd680669e8 [2025-03-15 00:41:54,625 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a722d7787/e2c6e0f88759416cb985d64a5461e322 [2025-03-15 00:41:54,627 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-15 00:41:54,629 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2025-03-15 00:41:54,630 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-15 00:41:54,630 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-15 00:41:54,634 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-15 00:41:54,635 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.03 12:41:54" (1/1) ... [2025-03-15 00:41:54,636 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@15ffd40a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 12:41:54, skipping insertion in model container [2025-03-15 00:41:54,636 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.03 12:41:54" (1/1) ... [2025-03-15 00:41:54,664 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-15 00:41:54,871 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-15 00:41:54,885 INFO L200 MainTranslator]: Completed pre-run [2025-03-15 00:41:54,909 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-15 00:41:54,939 INFO L204 MainTranslator]: Completed translation [2025-03-15 00:41:54,940 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 12:41:54 WrapperNode [2025-03-15 00:41:54,940 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-15 00:41:54,941 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-15 00:41:54,941 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-15 00:41:54,941 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-15 00:41:54,945 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 12:41:54" (1/1) ... [2025-03-15 00:41:54,955 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 12:41:54" (1/1) ... [2025-03-15 00:41:54,973 INFO L138 Inliner]: procedures = 162, calls = 31, calls flagged for inlining = 6, calls inlined = 8, statements flattened = 100 [2025-03-15 00:41:54,973 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-15 00:41:54,974 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-15 00:41:54,974 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-15 00:41:54,974 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-15 00:41:54,979 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 12:41:54" (1/1) ... [2025-03-15 00:41:54,979 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 12:41:54" (1/1) ... [2025-03-15 00:41:54,981 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 12:41:54" (1/1) ... [2025-03-15 00:41:54,981 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 12:41:54" (1/1) ... [2025-03-15 00:41:54,986 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 12:41:54" (1/1) ... [2025-03-15 00:41:54,987 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 12:41:54" (1/1) ... [2025-03-15 00:41:54,990 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 12:41:54" (1/1) ... [2025-03-15 00:41:54,991 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 12:41:54" (1/1) ... [2025-03-15 00:41:54,992 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 12:41:54" (1/1) ... [2025-03-15 00:41:54,996 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-15 00:41:54,997 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-03-15 00:41:54,997 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-03-15 00:41:54,997 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-03-15 00:41:54,998 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 12:41:54" (1/1) ... [2025-03-15 00:41:55,001 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2025-03-15 00:41:55,009 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-15 00:41:55,019 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 00:41:55,033 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 00:41:55,048 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2025-03-15 00:41:55,048 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-15 00:41:55,048 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2025-03-15 00:41:55,048 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2025-03-15 00:41:55,048 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2025-03-15 00:41:55,048 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2025-03-15 00:41:55,048 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-15 00:41:55,048 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-15 00:41:55,049 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 00:41:55,125 INFO L234 CfgBuilder]: Building ICFG [2025-03-15 00:41:55,127 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-15 00:41:55,277 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-03-15 00:41:55,277 INFO L283 CfgBuilder]: Performing block encoding [2025-03-15 00:41:55,299 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-15 00:41:55,299 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-15 00:41:55,299 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.03 12:41:55 BoogieIcfgContainer [2025-03-15 00:41:55,299 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-03-15 00:41:55,301 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-15 00:41:55,301 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-15 00:41:55,304 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-15 00:41:55,304 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.03 12:41:54" (1/3) ... [2025-03-15 00:41:55,305 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e314bb7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.03 12:41:55, skipping insertion in model container [2025-03-15 00:41:55,305 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 12:41:54" (2/3) ... [2025-03-15 00:41:55,305 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e314bb7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.03 12:41:55, skipping insertion in model container [2025-03-15 00:41:55,305 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.03 12:41:55" (3/3) ... [2025-03-15 00:41:55,306 INFO L128 eAbstractionObserver]: Analyzing ICFG 13-privatized_20-publish-regression_true.i [2025-03-15 00:41:55,316 INFO L303 ceAbstractionStarter]: Automizer settings: Hoare:All NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-15 00:41:55,318 INFO L169 ceAbstractionStarter]: Applying trace abstraction to ICFG 13-privatized_20-publish-regression_true.i that has 2 procedures, 110 locations, 1 initial locations, 0 loop locations, and 5 error locations. [2025-03-15 00:41:55,318 INFO L581 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-03-15 00:41:55,356 INFO L143 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2025-03-15 00:41:55,386 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-15 00:41:55,394 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;@5a5e8a4d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-15 00:41:55,394 INFO L334 AbstractCegarLoop]: Starting to check reachability of 9 error locations. [2025-03-15 00:41:55,417 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2025-03-15 00:41:55,417 INFO L124 PetriNetUnfolderBase]: 0/25 cut-off events. [2025-03-15 00:41:55,418 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-03-15 00:41:55,418 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 00:41:55,419 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] [2025-03-15 00:41:55,419 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2025-03-15 00:41:55,422 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 00:41:55,422 INFO L85 PathProgramCache]: Analyzing trace with hash -370451682, now seen corresponding path program 1 times [2025-03-15 00:41:55,427 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 00:41:55,428 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2106130709] [2025-03-15 00:41:55,428 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-15 00:41:55,428 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 00:41:55,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-15 00:41:55,616 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 00:41:55,618 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 00:41:55,618 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2106130709] [2025-03-15 00:41:55,619 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2106130709] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 00:41:55,619 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 00:41:55,619 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-15 00:41:55,621 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [246420456] [2025-03-15 00:41:55,621 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 00:41:55,626 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-15 00:41:55,630 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 00:41:55,646 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-15 00:41:55,646 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-15 00:41:55,649 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 81 out of 115 [2025-03-15 00:41:55,652 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 113 places, 115 transitions, 237 flow. Second operand has 3 states, 3 states have (on average 81.66666666666667) internal successors, (245), 3 states have internal predecessors, (245), 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 00:41:55,652 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 00:41:55,652 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 81 of 115 [2025-03-15 00:41:55,654 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 00:41:55,834 INFO L124 PetriNetUnfolderBase]: 82/514 cut-off events. [2025-03-15 00:41:55,834 INFO L125 PetriNetUnfolderBase]: For 7/7 co-relation queries the response was YES. [2025-03-15 00:41:55,839 INFO L83 FinitePrefix]: Finished finitePrefix Result has 724 conditions, 514 events. 82/514 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 2681 event pairs, 25 based on Foata normal form. 58/518 useless extension candidates. Maximal degree in co-relation 663. Up to 113 conditions per place. [2025-03-15 00:41:55,844 INFO L140 encePairwiseOnDemand]: 100/115 looper letters, 26 selfloop transitions, 6 changer transitions 12/114 dead transitions. [2025-03-15 00:41:55,844 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 106 places, 114 transitions, 311 flow [2025-03-15 00:41:55,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-15 00:41:55,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-15 00:41:55,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 291 transitions. [2025-03-15 00:41:55,866 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.8434782608695652 [2025-03-15 00:41:55,869 INFO L298 CegarLoopForPetriNet]: 113 programPoint places, -7 predicate places. [2025-03-15 00:41:55,869 INFO L471 AbstractCegarLoop]: Abstraction has has 106 places, 114 transitions, 311 flow [2025-03-15 00:41:55,870 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 81.66666666666667) internal successors, (245), 3 states have internal predecessors, (245), 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 00:41:55,870 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 00:41:55,870 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 00:41:55,870 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-03-15 00:41:55,870 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2025-03-15 00:41:55,871 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 00:41:55,871 INFO L85 PathProgramCache]: Analyzing trace with hash -288114033, now seen corresponding path program 1 times [2025-03-15 00:41:55,871 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 00:41:55,871 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1398274087] [2025-03-15 00:41:55,871 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-15 00:41:55,871 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 00:41:55,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-15 00:41:55,974 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 00:41:55,974 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 00:41:55,974 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1398274087] [2025-03-15 00:41:55,974 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1398274087] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 00:41:55,974 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 00:41:55,974 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-15 00:41:55,974 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [449922091] [2025-03-15 00:41:55,974 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 00:41:55,975 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-15 00:41:55,975 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 00:41:55,976 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-15 00:41:55,976 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-15 00:41:55,976 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 79 out of 115 [2025-03-15 00:41:55,977 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 106 places, 114 transitions, 311 flow. Second operand has 3 states, 3 states have (on average 81.66666666666667) internal successors, (245), 3 states have internal predecessors, (245), 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 00:41:55,977 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 00:41:55,977 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 79 of 115 [2025-03-15 00:41:55,977 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 00:41:56,108 INFO L124 PetriNetUnfolderBase]: 91/541 cut-off events. [2025-03-15 00:41:56,108 INFO L125 PetriNetUnfolderBase]: For 81/102 co-relation queries the response was YES. [2025-03-15 00:41:56,110 INFO L83 FinitePrefix]: Finished finitePrefix Result has 982 conditions, 541 events. 91/541 cut-off events. For 81/102 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 2871 event pairs, 23 based on Foata normal form. 1/494 useless extension candidates. Maximal degree in co-relation 915. Up to 199 conditions per place. [2025-03-15 00:41:56,113 INFO L140 encePairwiseOnDemand]: 110/115 looper letters, 38 selfloop transitions, 4 changer transitions 12/122 dead transitions. [2025-03-15 00:41:56,113 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 108 places, 122 transitions, 435 flow [2025-03-15 00:41:56,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-15 00:41:56,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-15 00:41:56,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 270 transitions. [2025-03-15 00:41:56,116 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.782608695652174 [2025-03-15 00:41:56,116 INFO L298 CegarLoopForPetriNet]: 113 programPoint places, -5 predicate places. [2025-03-15 00:41:56,116 INFO L471 AbstractCegarLoop]: Abstraction has has 108 places, 122 transitions, 435 flow [2025-03-15 00:41:56,116 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 81.66666666666667) internal successors, (245), 3 states have internal predecessors, (245), 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 00:41:56,117 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 00:41:56,117 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] [2025-03-15 00:41:56,117 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-03-15 00:41:56,117 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2025-03-15 00:41:56,119 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 00:41:56,119 INFO L85 PathProgramCache]: Analyzing trace with hash -1969965793, now seen corresponding path program 1 times [2025-03-15 00:41:56,119 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 00:41:56,119 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [280949659] [2025-03-15 00:41:56,120 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-15 00:41:56,120 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 00:41:56,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-15 00:41:56,256 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 00:41:56,256 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 00:41:56,256 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [280949659] [2025-03-15 00:41:56,256 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [280949659] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 00:41:56,256 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 00:41:56,256 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-15 00:41:56,256 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [939299454] [2025-03-15 00:41:56,256 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 00:41:56,257 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-15 00:41:56,257 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 00:41:56,257 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-15 00:41:56,257 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-15 00:41:56,258 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 90 out of 115 [2025-03-15 00:41:56,258 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 108 places, 122 transitions, 435 flow. Second operand has 3 states, 3 states have (on average 93.33333333333333) internal successors, (280), 3 states have internal predecessors, (280), 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 00:41:56,258 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 00:41:56,258 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 90 of 115 [2025-03-15 00:41:56,258 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 00:41:56,330 INFO L124 PetriNetUnfolderBase]: 47/393 cut-off events. [2025-03-15 00:41:56,330 INFO L125 PetriNetUnfolderBase]: For 159/161 co-relation queries the response was YES. [2025-03-15 00:41:56,330 INFO L83 FinitePrefix]: Finished finitePrefix Result has 749 conditions, 393 events. 47/393 cut-off events. For 159/161 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 1802 event pairs, 9 based on Foata normal form. 9/370 useless extension candidates. Maximal degree in co-relation 672. Up to 138 conditions per place. [2025-03-15 00:41:56,331 INFO L140 encePairwiseOnDemand]: 109/115 looper letters, 13 selfloop transitions, 7 changer transitions 18/118 dead transitions. [2025-03-15 00:41:56,331 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 109 places, 118 transitions, 473 flow [2025-03-15 00:41:56,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-15 00:41:56,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-15 00:41:56,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 292 transitions. [2025-03-15 00:41:56,335 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.8463768115942029 [2025-03-15 00:41:56,335 INFO L298 CegarLoopForPetriNet]: 113 programPoint places, -4 predicate places. [2025-03-15 00:41:56,335 INFO L471 AbstractCegarLoop]: Abstraction has has 109 places, 118 transitions, 473 flow [2025-03-15 00:41:56,336 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 93.33333333333333) internal successors, (280), 3 states have internal predecessors, (280), 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 00:41:56,336 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 00:41:56,336 INFO L221 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-15 00:41:56,336 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-03-15 00:41:56,336 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting t_funErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2025-03-15 00:41:56,336 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 00:41:56,337 INFO L85 PathProgramCache]: Analyzing trace with hash -129981976, now seen corresponding path program 1 times [2025-03-15 00:41:56,337 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 00:41:56,337 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [169823314] [2025-03-15 00:41:56,337 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-15 00:41:56,337 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 00:41:56,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-15 00:41:56,403 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 00:41:56,403 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 00:41:56,404 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [169823314] [2025-03-15 00:41:56,404 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [169823314] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 00:41:56,405 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 00:41:56,405 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-15 00:41:56,405 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1329275453] [2025-03-15 00:41:56,405 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 00:41:56,405 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-15 00:41:56,405 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 00:41:56,406 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-15 00:41:56,406 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-15 00:41:56,406 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 79 out of 115 [2025-03-15 00:41:56,406 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 109 places, 118 transitions, 473 flow. Second operand has 3 states, 3 states have (on average 83.66666666666667) internal successors, (251), 3 states have internal predecessors, (251), 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 00:41:56,406 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 00:41:56,406 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 79 of 115 [2025-03-15 00:41:56,406 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 00:41:56,483 INFO L124 PetriNetUnfolderBase]: 56/412 cut-off events. [2025-03-15 00:41:56,484 INFO L125 PetriNetUnfolderBase]: For 323/340 co-relation queries the response was YES. [2025-03-15 00:41:56,485 INFO L83 FinitePrefix]: Finished finitePrefix Result has 943 conditions, 412 events. 56/412 cut-off events. For 323/340 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 1923 event pairs, 12 based on Foata normal form. 1/386 useless extension candidates. Maximal degree in co-relation 860. Up to 143 conditions per place. [2025-03-15 00:41:56,486 INFO L140 encePairwiseOnDemand]: 110/115 looper letters, 28 selfloop transitions, 3 changer transitions 27/126 dead transitions. [2025-03-15 00:41:56,486 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 111 places, 126 transitions, 625 flow [2025-03-15 00:41:56,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-15 00:41:56,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-15 00:41:56,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 269 transitions. [2025-03-15 00:41:56,488 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.7797101449275362 [2025-03-15 00:41:56,488 INFO L298 CegarLoopForPetriNet]: 113 programPoint places, -2 predicate places. [2025-03-15 00:41:56,488 INFO L471 AbstractCegarLoop]: Abstraction has has 111 places, 126 transitions, 625 flow [2025-03-15 00:41:56,488 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 83.66666666666667) internal successors, (251), 3 states have internal predecessors, (251), 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 00:41:56,488 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 00:41:56,488 INFO L221 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-15 00:41:56,488 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-03-15 00:41:56,489 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2025-03-15 00:41:56,489 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 00:41:56,489 INFO L85 PathProgramCache]: Analyzing trace with hash -1880054568, now seen corresponding path program 1 times [2025-03-15 00:41:56,489 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 00:41:56,489 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1777610731] [2025-03-15 00:41:56,489 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-15 00:41:56,489 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 00:41:56,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-15 00:41:56,733 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 00:41:56,733 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 00:41:56,733 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1777610731] [2025-03-15 00:41:56,733 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1777610731] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 00:41:56,733 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 00:41:56,733 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2025-03-15 00:41:56,733 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2004217961] [2025-03-15 00:41:56,734 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 00:41:56,734 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-15 00:41:56,734 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 00:41:56,734 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-15 00:41:56,734 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2025-03-15 00:41:56,735 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 84 out of 115 [2025-03-15 00:41:56,735 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 111 places, 126 transitions, 625 flow. Second operand has 6 states, 6 states have (on average 87.0) internal successors, (522), 6 states have internal predecessors, (522), 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 00:41:56,735 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 00:41:56,735 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 84 of 115 [2025-03-15 00:41:56,735 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 00:41:56,813 INFO L124 PetriNetUnfolderBase]: 4/186 cut-off events. [2025-03-15 00:41:56,813 INFO L125 PetriNetUnfolderBase]: For 262/262 co-relation queries the response was YES. [2025-03-15 00:41:56,813 INFO L83 FinitePrefix]: Finished finitePrefix Result has 419 conditions, 186 events. 4/186 cut-off events. For 262/262 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 366 event pairs, 0 based on Foata normal form. 8/187 useless extension candidates. Maximal degree in co-relation 320. Up to 49 conditions per place. [2025-03-15 00:41:56,813 INFO L140 encePairwiseOnDemand]: 109/115 looper letters, 0 selfloop transitions, 0 changer transitions 104/104 dead transitions. [2025-03-15 00:41:56,814 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 113 places, 104 transitions, 487 flow [2025-03-15 00:41:56,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-15 00:41:56,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2025-03-15 00:41:56,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 444 transitions. [2025-03-15 00:41:56,815 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.7721739130434783 [2025-03-15 00:41:56,816 INFO L298 CegarLoopForPetriNet]: 113 programPoint places, 0 predicate places. [2025-03-15 00:41:56,816 INFO L471 AbstractCegarLoop]: Abstraction has has 113 places, 104 transitions, 487 flow [2025-03-15 00:41:56,816 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 87.0) internal successors, (522), 6 states have internal predecessors, (522), 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 00:41:56,824 INFO L161 wickiGriesTestDumper]: Dumping Owicki-Gries test to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/13-privatized_20-publish-regression_true.i_petrified1_AllErrorsAtOnce [2025-03-15 00:41:56,842 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (8 of 9 remaining) [2025-03-15 00:41:56,842 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (7 of 9 remaining) [2025-03-15 00:41:56,842 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (6 of 9 remaining) [2025-03-15 00:41:56,842 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (5 of 9 remaining) [2025-03-15 00:41:56,842 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (4 of 9 remaining) [2025-03-15 00:41:56,842 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr2ASSERT_VIOLATIONDATA_RACE (3 of 9 remaining) [2025-03-15 00:41:56,842 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (2 of 9 remaining) [2025-03-15 00:41:56,843 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (1 of 9 remaining) [2025-03-15 00:41:56,843 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr2ASSERT_VIOLATIONDATA_RACE (0 of 9 remaining) [2025-03-15 00:41:56,843 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-03-15 00:41:56,843 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2025-03-15 00:41:56,847 INFO L328 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2025-03-15 00:41:56,847 INFO L188 ceAbstractionStarter]: Computing trace abstraction results [2025-03-15 00:41:56,852 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.03 12:41:56 BasicIcfg [2025-03-15 00:41:56,852 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-03-15 00:41:56,852 INFO L158 Benchmark]: Toolchain (without parser) took 2223.81ms. Allocated memory was 71.3MB in the beginning and 88.1MB in the end (delta: 16.8MB). Free memory was 43.5MB in the beginning and 31.2MB in the end (delta: 12.3MB). Peak memory consumption was 25.4MB. Max. memory is 8.0GB. [2025-03-15 00:41:56,852 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 71.3MB. Free memory was 35.7MB in the beginning and 35.7MB in the end (delta: 42.2kB). There was no memory consumed. Max. memory is 8.0GB. [2025-03-15 00:41:56,853 INFO L158 Benchmark]: CACSL2BoogieTranslator took 310.98ms. Allocated memory is still 71.3MB. Free memory was 43.4MB in the beginning and 23.9MB in the end (delta: 19.5MB). Peak memory consumption was 16.8MB. Max. memory is 8.0GB. [2025-03-15 00:41:56,853 INFO L158 Benchmark]: Boogie Procedure Inliner took 32.37ms. Allocated memory is still 71.3MB. Free memory was 23.9MB in the beginning and 22.1MB in the end (delta: 1.8MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. [2025-03-15 00:41:56,853 INFO L158 Benchmark]: Boogie Preprocessor took 22.18ms. Allocated memory is still 71.3MB. Free memory was 22.1MB in the beginning and 21.0MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 8.0GB. [2025-03-15 00:41:56,853 INFO L158 Benchmark]: RCFGBuilder took 302.80ms. Allocated memory is still 71.3MB. Free memory was 21.0MB in the beginning and 32.0MB in the end (delta: -11.0MB). Peak memory consumption was 7.0MB. Max. memory is 8.0GB. [2025-03-15 00:41:56,853 INFO L158 Benchmark]: TraceAbstraction took 1550.69ms. Allocated memory was 71.3MB in the beginning and 88.1MB in the end (delta: 16.8MB). Free memory was 31.1MB in the beginning and 31.2MB in the end (delta: -130.4kB). Peak memory consumption was 18.4MB. Max. memory is 8.0GB. [2025-03-15 00:41:56,857 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 71.3MB. Free memory was 35.7MB in the beginning and 35.7MB in the end (delta: 42.2kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 310.98ms. Allocated memory is still 71.3MB. Free memory was 43.4MB in the beginning and 23.9MB in the end (delta: 19.5MB). Peak memory consumption was 16.8MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 32.37ms. Allocated memory is still 71.3MB. Free memory was 23.9MB in the beginning and 22.1MB in the end (delta: 1.8MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. * Boogie Preprocessor took 22.18ms. Allocated memory is still 71.3MB. Free memory was 22.1MB in the beginning and 21.0MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 8.0GB. * RCFGBuilder took 302.80ms. Allocated memory is still 71.3MB. Free memory was 21.0MB in the beginning and 32.0MB in the end (delta: -11.0MB). Peak memory consumption was 7.0MB. Max. memory is 8.0GB. * TraceAbstraction took 1550.69ms. Allocated memory was 71.3MB in the beginning and 88.1MB in the end (delta: 16.8MB). Free memory was 31.1MB in the beginning and 31.2MB in the end (delta: -130.4kB). Peak memory consumption was 18.4MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 698]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 701]: 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 - PositiveResult [Line: 691]: 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, 153 locations, 9 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: 1.5s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 47 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 47 mSDsluCounter, 47 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1 mSDsCounter, 15 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 200 IncrementalHoareTripleChecker+Invalid, 215 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 15 mSolverCounterUnsat, 46 mSDtfsCounter, 200 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 19 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=625occurred 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, 0.5s InterpolantComputationTime, 250 NumberOfCodeBlocks, 250 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 245 ConstructedInterpolants, 0 QuantifiedInterpolants, 494 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 5 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2025-03-15 00:41:56,870 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...