/root/.sdkman/candidates/java/21.0.5-tem/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-NoLbe.epf --traceabstraction.positions.where.we.compute.the.hoare.annotation All --cacsl2boogietranslator.check.absence.of.data.races.in.concurrent.programs true --cacsl2boogietranslator.check.unreachability.of.reach_error.function false -i ../../../trunk/examples/svcomp/goblint-regression/13-privatized_67-pthread_cond_wait_true.i -------------------------------------------------------------------------------- This is Ultimate 0.3.0-wip.dk.empire2-owicki-f61efc6-m [2025-03-15 00:43:10,915 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-15 00:43:10,999 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-NoLbe.epf [2025-03-15 00:43:11,036 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-15 00:43:11,037 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-15 00:43:11,037 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-15 00:43:11,037 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-15 00:43:11,037 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-15 00:43:11,037 INFO L153 SettingsManager]: * Use SBE=true [2025-03-15 00:43:11,037 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-15 00:43:11,037 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-15 00:43:11,037 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-15 00:43:11,037 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-15 00:43:11,037 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-15 00:43:11,038 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-15 00:43:11,038 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-15 00:43:11,038 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-15 00:43:11,038 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-15 00:43:11,038 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-15 00:43:11,038 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-15 00:43:11,038 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-15 00:43:11,038 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-03-15 00:43:11,038 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-15 00:43:11,038 INFO L153 SettingsManager]: * To the following directory=./dump/ [2025-03-15 00:43:11,038 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-15 00:43:11,038 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2025-03-15 00:43:11,038 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-15 00:43:11,038 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-15 00:43:11,038 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-15 00:43:11,039 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-15 00:43:11,039 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-15 00:43:11,039 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-15 00:43:11,039 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> All Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of data races in concurrent programs -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of reach_error function -> false [2025-03-15 00:43:11,246 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-15 00:43:11,251 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-15 00:43:11,253 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-15 00:43:11,254 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-15 00:43:11,254 INFO L274 PluginConnector]: CDTParser initialized [2025-03-15 00:43:11,257 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/13-privatized_67-pthread_cond_wait_true.i [2025-03-15 00:43:12,405 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f946329e9/0a988af928f34b2baf8c04a00346dced/FLAGad985e8d0 [2025-03-15 00:43:12,640 INFO L384 CDTParser]: Found 1 translation units. [2025-03-15 00:43:12,641 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_67-pthread_cond_wait_true.i [2025-03-15 00:43:12,660 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f946329e9/0a988af928f34b2baf8c04a00346dced/FLAGad985e8d0 [2025-03-15 00:43:12,675 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f946329e9/0a988af928f34b2baf8c04a00346dced [2025-03-15 00:43:12,678 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-15 00:43:12,680 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2025-03-15 00:43:12,681 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-15 00:43:12,681 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-15 00:43:12,684 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-15 00:43:12,685 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.03 12:43:12" (1/1) ... [2025-03-15 00:43:12,686 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1b55566f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 12:43:12, skipping insertion in model container [2025-03-15 00:43:12,686 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.03 12:43:12" (1/1) ... [2025-03-15 00:43:12,721 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-15 00:43:13,031 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-15 00:43:13,047 INFO L200 MainTranslator]: Completed pre-run [2025-03-15 00:43:13,089 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-15 00:43:13,164 INFO L204 MainTranslator]: Completed translation [2025-03-15 00:43:13,166 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 12:43:13 WrapperNode [2025-03-15 00:43:13,166 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-15 00:43:13,167 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-15 00:43:13,167 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-15 00:43:13,167 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-15 00:43:13,173 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 12:43:13" (1/1) ... [2025-03-15 00:43:13,194 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 12:43:13" (1/1) ... [2025-03-15 00:43:13,219 INFO L138 Inliner]: procedures = 354, calls = 22, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 181 [2025-03-15 00:43:13,219 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-15 00:43:13,220 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-15 00:43:13,220 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-15 00:43:13,220 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-15 00:43:13,225 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 12:43:13" (1/1) ... [2025-03-15 00:43:13,225 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 12:43:13" (1/1) ... [2025-03-15 00:43:13,229 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 12:43:13" (1/1) ... [2025-03-15 00:43:13,230 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 12:43:13" (1/1) ... [2025-03-15 00:43:13,243 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 12:43:13" (1/1) ... [2025-03-15 00:43:13,244 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 12:43:13" (1/1) ... [2025-03-15 00:43:13,245 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 12:43:13" (1/1) ... [2025-03-15 00:43:13,250 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 12:43:13" (1/1) ... [2025-03-15 00:43:13,256 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 12:43:13" (1/1) ... [2025-03-15 00:43:13,259 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-15 00:43:13,262 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-03-15 00:43:13,262 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-03-15 00:43:13,262 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-03-15 00:43:13,266 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 12:43:13" (1/1) ... [2025-03-15 00:43:13,270 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2025-03-15 00:43:13,306 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-15 00:43:13,319 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2025-03-15 00:43:13,322 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2025-03-15 00:43:13,340 INFO L130 BoogieDeclarations]: Found specification of procedure f1 [2025-03-15 00:43:13,340 INFO L138 BoogieDeclarations]: Found implementation of procedure f1 [2025-03-15 00:43:13,340 INFO L130 BoogieDeclarations]: Found specification of procedure f2 [2025-03-15 00:43:13,340 INFO L138 BoogieDeclarations]: Found implementation of procedure f2 [2025-03-15 00:43:13,340 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2025-03-15 00:43:13,340 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2025-03-15 00:43:13,340 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-15 00:43:13,340 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2025-03-15 00:43:13,341 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-15 00:43:13,341 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-15 00:43:13,341 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2025-03-15 00:43:13,542 INFO L234 CfgBuilder]: Building ICFG [2025-03-15 00:43:13,543 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-15 00:43:13,737 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-03-15 00:43:13,737 INFO L283 CfgBuilder]: Performing block encoding [2025-03-15 00:43:13,776 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-15 00:43:13,776 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-15 00:43:13,785 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.03 12:43:13 BoogieIcfgContainer [2025-03-15 00:43:13,786 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-03-15 00:43:13,788 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-15 00:43:13,788 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-15 00:43:13,805 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-15 00:43:13,805 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.03 12:43:12" (1/3) ... [2025-03-15 00:43:13,805 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4286b764 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.03 12:43:13, skipping insertion in model container [2025-03-15 00:43:13,805 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 12:43:13" (2/3) ... [2025-03-15 00:43:13,806 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4286b764 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.03 12:43:13, skipping insertion in model container [2025-03-15 00:43:13,806 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.03 12:43:13" (3/3) ... [2025-03-15 00:43:13,807 INFO L128 eAbstractionObserver]: Analyzing ICFG 13-privatized_67-pthread_cond_wait_true.i [2025-03-15 00:43:13,817 INFO L303 ceAbstractionStarter]: Automizer settings: Hoare:All NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-15 00:43:13,818 INFO L169 ceAbstractionStarter]: Applying trace abstraction to ICFG 13-privatized_67-pthread_cond_wait_true.i that has 3 procedures, 206 locations, 1 initial locations, 0 loop locations, and 5 error locations. [2025-03-15 00:43:13,819 INFO L581 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-03-15 00:43:13,874 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2025-03-15 00:43:13,907 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-15 00:43:13,918 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;@2474df1f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-15 00:43:13,918 INFO L334 AbstractCegarLoop]: Starting to check reachability of 12 error locations. [2025-03-15 00:43:13,973 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2025-03-15 00:43:13,973 INFO L124 PetriNetUnfolderBase]: 0/145 cut-off events. [2025-03-15 00:43:13,975 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-03-15 00:43:13,975 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 00:43:13,976 INFO L221 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-15 00:43:13,976 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting f1Err0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 10 more)] === [2025-03-15 00:43:13,980 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 00:43:13,980 INFO L85 PathProgramCache]: Analyzing trace with hash -370469074, now seen corresponding path program 1 times [2025-03-15 00:43:13,986 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 00:43:13,986 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [424837974] [2025-03-15 00:43:13,986 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-15 00:43:13,987 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 00:43:14,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-15 00:43:14,374 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-15 00:43:14,375 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 00:43:14,376 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [424837974] [2025-03-15 00:43:14,377 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [424837974] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 00:43:14,377 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 00:43:14,377 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-15 00:43:14,378 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1751720498] [2025-03-15 00:43:14,378 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 00:43:14,384 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-15 00:43:14,387 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 00:43:14,402 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-15 00:43:14,402 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-15 00:43:14,404 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 177 out of 207 [2025-03-15 00:43:14,407 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 212 places, 207 transitions, 428 flow. Second operand has 3 states, 3 states have (on average 178.66666666666666) internal successors, (536), 3 states have internal predecessors, (536), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-15 00:43:14,407 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 00:43:14,407 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 177 of 207 [2025-03-15 00:43:14,408 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 00:43:14,617 INFO L124 PetriNetUnfolderBase]: 116/563 cut-off events. [2025-03-15 00:43:14,618 INFO L125 PetriNetUnfolderBase]: For 38/38 co-relation queries the response was YES. [2025-03-15 00:43:14,623 INFO L83 FinitePrefix]: Finished finitePrefix Result has 873 conditions, 563 events. 116/563 cut-off events. For 38/38 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 2205 event pairs, 98 based on Foata normal form. 8/510 useless extension candidates. Maximal degree in co-relation 698. Up to 234 conditions per place. [2025-03-15 00:43:14,627 INFO L140 encePairwiseOnDemand]: 200/207 looper letters, 30 selfloop transitions, 4 changer transitions 6/209 dead transitions. [2025-03-15 00:43:14,627 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 210 places, 209 transitions, 503 flow [2025-03-15 00:43:14,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-15 00:43:14,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-15 00:43:14,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 569 transitions. [2025-03-15 00:43:14,640 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.9162640901771336 [2025-03-15 00:43:14,642 INFO L298 CegarLoopForPetriNet]: 212 programPoint places, -2 predicate places. [2025-03-15 00:43:14,642 INFO L471 AbstractCegarLoop]: Abstraction has has 210 places, 209 transitions, 503 flow [2025-03-15 00:43:14,643 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 178.66666666666666) internal successors, (536), 3 states have internal predecessors, (536), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-15 00:43:14,643 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 00:43:14,643 INFO L221 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-15 00:43:14,643 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-03-15 00:43:14,643 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting f1Err1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 10 more)] === [2025-03-15 00:43:14,644 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 00:43:14,644 INFO L85 PathProgramCache]: Analyzing trace with hash 823477817, now seen corresponding path program 1 times [2025-03-15 00:43:14,644 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 00:43:14,644 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1646441240] [2025-03-15 00:43:14,644 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-15 00:43:14,644 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 00:43:14,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-15 00:43:14,824 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-15 00:43:14,825 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 00:43:14,825 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1646441240] [2025-03-15 00:43:14,825 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1646441240] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 00:43:14,825 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 00:43:14,825 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-15 00:43:14,825 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [536158122] [2025-03-15 00:43:14,825 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 00:43:14,826 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-15 00:43:14,826 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 00:43:14,826 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-15 00:43:14,826 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-15 00:43:14,827 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 179 out of 207 [2025-03-15 00:43:14,829 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 210 places, 209 transitions, 503 flow. Second operand has 3 states, 3 states have (on average 181.66666666666666) internal successors, (545), 3 states have internal predecessors, (545), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-15 00:43:14,830 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 00:43:14,830 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 179 of 207 [2025-03-15 00:43:14,830 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 00:43:14,953 INFO L124 PetriNetUnfolderBase]: 122/631 cut-off events. [2025-03-15 00:43:14,953 INFO L125 PetriNetUnfolderBase]: For 126/166 co-relation queries the response was YES. [2025-03-15 00:43:14,955 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1213 conditions, 631 events. 122/631 cut-off events. For 126/166 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 2697 event pairs, 58 based on Foata normal form. 0/568 useless extension candidates. Maximal degree in co-relation 1024. Up to 250 conditions per place. [2025-03-15 00:43:14,959 INFO L140 encePairwiseOnDemand]: 199/207 looper letters, 35 selfloop transitions, 6 changer transitions 6/219 dead transitions. [2025-03-15 00:43:14,959 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 212 places, 219 transitions, 630 flow [2025-03-15 00:43:14,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-15 00:43:14,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-15 00:43:14,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 574 transitions. [2025-03-15 00:43:14,962 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.9243156199677939 [2025-03-15 00:43:14,963 INFO L298 CegarLoopForPetriNet]: 212 programPoint places, 0 predicate places. [2025-03-15 00:43:14,963 INFO L471 AbstractCegarLoop]: Abstraction has has 212 places, 219 transitions, 630 flow [2025-03-15 00:43:14,963 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 181.66666666666666) internal successors, (545), 3 states have internal predecessors, (545), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-15 00:43:14,963 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 00:43:14,964 INFO L221 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-15 00:43:14,964 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-03-15 00:43:14,964 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting f2Err0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 10 more)] === [2025-03-15 00:43:14,968 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 00:43:14,968 INFO L85 PathProgramCache]: Analyzing trace with hash 1325247062, now seen corresponding path program 1 times [2025-03-15 00:43:14,968 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 00:43:14,968 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [173542139] [2025-03-15 00:43:14,968 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-15 00:43:14,968 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 00:43:15,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-15 00:43:15,097 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-15 00:43:15,097 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 00:43:15,097 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [173542139] [2025-03-15 00:43:15,097 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [173542139] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 00:43:15,097 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 00:43:15,097 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-15 00:43:15,097 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1983440460] [2025-03-15 00:43:15,097 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 00:43:15,097 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-15 00:43:15,099 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 00:43:15,100 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-15 00:43:15,100 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-15 00:43:15,100 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 177 out of 207 [2025-03-15 00:43:15,101 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 212 places, 219 transitions, 630 flow. Second operand has 3 states, 3 states have (on average 179.0) internal successors, (537), 3 states have internal predecessors, (537), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-15 00:43:15,101 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 00:43:15,101 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 177 of 207 [2025-03-15 00:43:15,101 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 00:43:15,252 INFO L124 PetriNetUnfolderBase]: 169/764 cut-off events. [2025-03-15 00:43:15,252 INFO L125 PetriNetUnfolderBase]: For 370/464 co-relation queries the response was YES. [2025-03-15 00:43:15,254 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1805 conditions, 764 events. 169/764 cut-off events. For 370/464 co-relation queries the response was YES. Maximal size of possible extension queue 26. Compared 3577 event pairs, 64 based on Foata normal form. 2/709 useless extension candidates. Maximal degree in co-relation 1572. Up to 294 conditions per place. [2025-03-15 00:43:15,256 INFO L140 encePairwiseOnDemand]: 199/207 looper letters, 53 selfloop transitions, 13 changer transitions 9/245 dead transitions. [2025-03-15 00:43:15,256 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 214 places, 245 transitions, 925 flow [2025-03-15 00:43:15,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-15 00:43:15,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-15 00:43:15,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 578 transitions. [2025-03-15 00:43:15,258 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.9307568438003221 [2025-03-15 00:43:15,259 INFO L298 CegarLoopForPetriNet]: 212 programPoint places, 2 predicate places. [2025-03-15 00:43:15,259 INFO L471 AbstractCegarLoop]: Abstraction has has 214 places, 245 transitions, 925 flow [2025-03-15 00:43:15,259 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 179.0) internal successors, (537), 3 states have internal predecessors, (537), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-15 00:43:15,259 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 00:43:15,259 INFO L221 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-15 00:43:15,259 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-03-15 00:43:15,260 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting f1Err0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 10 more)] === [2025-03-15 00:43:15,260 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 00:43:15,260 INFO L85 PathProgramCache]: Analyzing trace with hash 403010701, now seen corresponding path program 1 times [2025-03-15 00:43:15,260 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 00:43:15,260 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1938690689] [2025-03-15 00:43:15,261 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-15 00:43:15,261 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 00:43:15,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-15 00:43:15,473 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-15 00:43:15,474 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 00:43:15,474 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1938690689] [2025-03-15 00:43:15,474 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1938690689] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 00:43:15,474 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 00:43:15,474 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-15 00:43:15,474 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [390800607] [2025-03-15 00:43:15,474 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 00:43:15,474 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-15 00:43:15,475 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 00:43:15,475 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-15 00:43:15,475 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-15 00:43:15,476 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 188 out of 207 [2025-03-15 00:43:15,476 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 214 places, 245 transitions, 925 flow. Second operand has 3 states, 3 states have (on average 191.33333333333334) internal successors, (574), 3 states have internal predecessors, (574), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-15 00:43:15,476 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 00:43:15,476 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 188 of 207 [2025-03-15 00:43:15,476 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 00:43:15,546 INFO L124 PetriNetUnfolderBase]: 23/323 cut-off events. [2025-03-15 00:43:15,546 INFO L125 PetriNetUnfolderBase]: For 332/364 co-relation queries the response was YES. [2025-03-15 00:43:15,546 INFO L83 FinitePrefix]: Finished finitePrefix Result has 677 conditions, 323 events. 23/323 cut-off events. For 332/364 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 690 event pairs, 3 based on Foata normal form. 24/340 useless extension candidates. Maximal degree in co-relation 449. Up to 79 conditions per place. [2025-03-15 00:43:15,547 INFO L140 encePairwiseOnDemand]: 201/207 looper letters, 11 selfloop transitions, 5 changer transitions 15/202 dead transitions. [2025-03-15 00:43:15,547 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 212 places, 202 transitions, 637 flow [2025-03-15 00:43:15,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-15 00:43:15,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-15 00:43:15,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 585 transitions. [2025-03-15 00:43:15,550 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.9420289855072463 [2025-03-15 00:43:15,550 INFO L298 CegarLoopForPetriNet]: 212 programPoint places, 0 predicate places. [2025-03-15 00:43:15,550 INFO L471 AbstractCegarLoop]: Abstraction has has 212 places, 202 transitions, 637 flow [2025-03-15 00:43:15,550 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 191.33333333333334) internal successors, (574), 3 states have internal predecessors, (574), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-15 00:43:15,550 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 00:43:15,551 INFO L221 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-15 00:43:15,551 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-03-15 00:43:15,551 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting f1Err3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 10 more)] === [2025-03-15 00:43:15,551 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 00:43:15,551 INFO L85 PathProgramCache]: Analyzing trace with hash 1151793189, now seen corresponding path program 1 times [2025-03-15 00:43:15,552 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 00:43:15,552 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [78173026] [2025-03-15 00:43:15,552 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-15 00:43:15,552 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 00:43:15,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-15 00:43:15,643 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-15 00:43:15,643 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 00:43:15,643 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [78173026] [2025-03-15 00:43:15,643 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [78173026] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 00:43:15,643 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 00:43:15,643 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-15 00:43:15,643 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1566036124] [2025-03-15 00:43:15,643 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 00:43:15,644 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-15 00:43:15,644 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 00:43:15,644 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-15 00:43:15,644 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-15 00:43:15,645 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 177 out of 207 [2025-03-15 00:43:15,645 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 212 places, 202 transitions, 637 flow. Second operand has 3 states, 3 states have (on average 181.33333333333334) internal successors, (544), 3 states have internal predecessors, (544), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-15 00:43:15,645 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 00:43:15,645 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 177 of 207 [2025-03-15 00:43:15,646 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 00:43:15,702 INFO L124 PetriNetUnfolderBase]: 24/323 cut-off events. [2025-03-15 00:43:15,702 INFO L125 PetriNetUnfolderBase]: For 425/464 co-relation queries the response was YES. [2025-03-15 00:43:15,702 INFO L83 FinitePrefix]: Finished finitePrefix Result has 759 conditions, 323 events. 24/323 cut-off events. For 425/464 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 698 event pairs, 5 based on Foata normal form. 0/319 useless extension candidates. Maximal degree in co-relation 516. Up to 77 conditions per place. [2025-03-15 00:43:15,703 INFO L140 encePairwiseOnDemand]: 204/207 looper letters, 0 selfloop transitions, 0 changer transitions 202/202 dead transitions. [2025-03-15 00:43:15,703 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 213 places, 202 transitions, 698 flow [2025-03-15 00:43:15,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-15 00:43:15,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-15 00:43:15,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 555 transitions. [2025-03-15 00:43:15,704 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.893719806763285 [2025-03-15 00:43:15,707 INFO L298 CegarLoopForPetriNet]: 212 programPoint places, 1 predicate places. [2025-03-15 00:43:15,707 INFO L471 AbstractCegarLoop]: Abstraction has has 213 places, 202 transitions, 698 flow [2025-03-15 00:43:15,707 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 181.33333333333334) internal successors, (544), 3 states have internal predecessors, (544), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-15 00:43:15,715 INFO L161 wickiGriesTestDumper]: Dumping Owicki-Gries test to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/13-privatized_67-pthread_cond_wait_true.i_petrified1_AllErrorsAtOnce [2025-03-15 00:43:15,737 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (11 of 12 remaining) [2025-03-15 00:43:15,737 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (10 of 12 remaining) [2025-03-15 00:43:15,737 INFO L782 garLoopResultBuilder]: Registering result SAFE for location f1Err0ASSERT_VIOLATIONDATA_RACE (9 of 12 remaining) [2025-03-15 00:43:15,737 INFO L782 garLoopResultBuilder]: Registering result SAFE for location f1Err1ASSERT_VIOLATIONDATA_RACE (8 of 12 remaining) [2025-03-15 00:43:15,737 INFO L782 garLoopResultBuilder]: Registering result SAFE for location f1Err2ASSERT_VIOLATIONDATA_RACE (7 of 12 remaining) [2025-03-15 00:43:15,738 INFO L782 garLoopResultBuilder]: Registering result SAFE for location f1Err3ASSERT_VIOLATIONDATA_RACE (6 of 12 remaining) [2025-03-15 00:43:15,738 INFO L782 garLoopResultBuilder]: Registering result SAFE for location f2Err0ASSERT_VIOLATIONDATA_RACE (5 of 12 remaining) [2025-03-15 00:43:15,738 INFO L782 garLoopResultBuilder]: Registering result SAFE for location f1Err0ASSERT_VIOLATIONDATA_RACE (4 of 12 remaining) [2025-03-15 00:43:15,738 INFO L782 garLoopResultBuilder]: Registering result SAFE for location f1Err1ASSERT_VIOLATIONDATA_RACE (3 of 12 remaining) [2025-03-15 00:43:15,738 INFO L782 garLoopResultBuilder]: Registering result SAFE for location f1Err2ASSERT_VIOLATIONDATA_RACE (2 of 12 remaining) [2025-03-15 00:43:15,738 INFO L782 garLoopResultBuilder]: Registering result SAFE for location f1Err3ASSERT_VIOLATIONDATA_RACE (1 of 12 remaining) [2025-03-15 00:43:15,738 INFO L782 garLoopResultBuilder]: Registering result SAFE for location f2Err0ASSERT_VIOLATIONDATA_RACE (0 of 12 remaining) [2025-03-15 00:43:15,738 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-03-15 00:43:15,738 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2025-03-15 00:43:15,742 INFO L328 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2025-03-15 00:43:15,742 INFO L188 ceAbstractionStarter]: Computing trace abstraction results [2025-03-15 00:43:15,748 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.03 12:43:15 BasicIcfg [2025-03-15 00:43:15,748 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-03-15 00:43:15,749 INFO L158 Benchmark]: Toolchain (without parser) took 3069.71ms. Allocated memory was 71.3MB in the beginning and 130.0MB in the end (delta: 58.7MB). Free memory was 41.5MB in the beginning and 51.0MB in the end (delta: -9.5MB). Peak memory consumption was 46.8MB. Max. memory is 8.0GB. [2025-03-15 00:43:15,749 INFO L158 Benchmark]: CDTParser took 1.35ms. Allocated memory is still 71.3MB. Free memory is still 35.1MB. There was no memory consumed. Max. memory is 8.0GB. [2025-03-15 00:43:15,750 INFO L158 Benchmark]: CACSL2BoogieTranslator took 484.90ms. Allocated memory is still 71.3MB. Free memory was 41.4MB in the beginning and 26.3MB in the end (delta: 15.1MB). Peak memory consumption was 31.7MB. Max. memory is 8.0GB. [2025-03-15 00:43:15,750 INFO L158 Benchmark]: Boogie Procedure Inliner took 52.74ms. Allocated memory is still 71.3MB. Free memory was 26.3MB in the beginning and 23.4MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. [2025-03-15 00:43:15,751 INFO L158 Benchmark]: Boogie Preprocessor took 39.32ms. Allocated memory is still 71.3MB. Free memory was 23.4MB in the beginning and 20.9MB in the end (delta: 2.5MB). There was no memory consumed. Max. memory is 8.0GB. [2025-03-15 00:43:15,751 INFO L158 Benchmark]: RCFGBuilder took 524.03ms. Allocated memory was 71.3MB in the beginning and 100.7MB in the end (delta: 29.4MB). Free memory was 20.9MB in the beginning and 64.9MB in the end (delta: -44.0MB). Peak memory consumption was 8.3MB. Max. memory is 8.0GB. [2025-03-15 00:43:15,751 INFO L158 Benchmark]: TraceAbstraction took 1960.01ms. Allocated memory was 100.7MB in the beginning and 130.0MB in the end (delta: 29.4MB). Free memory was 63.6MB in the beginning and 51.0MB in the end (delta: 12.6MB). Peak memory consumption was 41.1MB. Max. memory is 8.0GB. [2025-03-15 00:43:15,752 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.35ms. Allocated memory is still 71.3MB. Free memory is still 35.1MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 484.90ms. Allocated memory is still 71.3MB. Free memory was 41.4MB in the beginning and 26.3MB in the end (delta: 15.1MB). Peak memory consumption was 31.7MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 52.74ms. Allocated memory is still 71.3MB. Free memory was 26.3MB in the beginning and 23.4MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. * Boogie Preprocessor took 39.32ms. Allocated memory is still 71.3MB. Free memory was 23.4MB in the beginning and 20.9MB in the end (delta: 2.5MB). There was no memory consumed. Max. memory is 8.0GB. * RCFGBuilder took 524.03ms. Allocated memory was 71.3MB in the beginning and 100.7MB in the end (delta: 29.4MB). Free memory was 20.9MB in the beginning and 64.9MB in the end (delta: -44.0MB). Peak memory consumption was 8.3MB. Max. memory is 8.0GB. * TraceAbstraction took 1960.01ms. Allocated memory was 100.7MB in the beginning and 130.0MB in the end (delta: 29.4MB). Free memory was 63.6MB in the beginning and 51.0MB in the end (delta: 12.6MB). Peak memory consumption was 41.1MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 1356]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1358]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1359]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1360]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1366]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 265 locations, 12 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.1s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 1.8s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 31 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 31 mSDsluCounter, 65 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 11 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 190 IncrementalHoareTripleChecker+Invalid, 201 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 11 mSolverCounterUnsat, 65 mSDtfsCounter, 190 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 11 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=925occurred in iteration=3, InterpolantAutomatonStates: 15, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 743 NumberOfCodeBlocks, 743 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 738 ConstructedInterpolants, 0 QuantifiedInterpolants, 776 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 5 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2025-03-15 00:43:15,766 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...