/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/pthread/stack-1.i -------------------------------------------------------------------------------- This is Ultimate 0.3.0-wip.dk.empire2-owicki-f61efc6-m [2025-03-15 00:03:43,776 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-15 00:03:43,891 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 00:03:43,965 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-15 00:03:43,966 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-15 00:03:43,966 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-15 00:03:43,967 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-15 00:03:43,967 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-15 00:03:43,967 INFO L153 SettingsManager]: * Use SBE=true [2025-03-15 00:03:43,967 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-15 00:03:43,968 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-15 00:03:43,968 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-15 00:03:43,968 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-15 00:03:43,968 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-15 00:03:43,968 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-15 00:03:43,968 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-15 00:03:43,968 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-15 00:03:43,968 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-15 00:03:43,968 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-15 00:03:43,968 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-15 00:03:43,968 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-15 00:03:43,968 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-03-15 00:03:43,968 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-15 00:03:43,968 INFO L153 SettingsManager]: * To the following directory=./dump/ [2025-03-15 00:03:43,969 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-15 00:03:43,969 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2025-03-15 00:03:43,969 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-15 00:03:43,969 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-15 00:03:43,969 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-15 00:03:43,969 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-15 00:03:43,969 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-15 00:03:43,969 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-15 00:03:43,969 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 00:03:44,388 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-15 00:03:44,403 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-15 00:03:44,405 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-15 00:03:44,408 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-15 00:03:44,408 INFO L274 PluginConnector]: CDTParser initialized [2025-03-15 00:03:44,410 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread/stack-1.i [2025-03-15 00:03:46,076 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ca5e07907/1e44469e06f3449e88080a92677d0ccf/FLAGc19c7a376 [2025-03-15 00:03:46,461 INFO L384 CDTParser]: Found 1 translation units. [2025-03-15 00:03:46,465 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread/stack-1.i [2025-03-15 00:03:46,494 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ca5e07907/1e44469e06f3449e88080a92677d0ccf/FLAGc19c7a376 [2025-03-15 00:03:46,692 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ca5e07907/1e44469e06f3449e88080a92677d0ccf [2025-03-15 00:03:46,695 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-15 00:03:46,696 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2025-03-15 00:03:46,696 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-15 00:03:46,696 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-15 00:03:46,708 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-15 00:03:46,709 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.03 12:03:46" (1/1) ... [2025-03-15 00:03:46,710 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@47d78665 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 12:03:46, skipping insertion in model container [2025-03-15 00:03:46,710 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.03 12:03:46" (1/1) ... [2025-03-15 00:03:46,753 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-15 00:03:47,104 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-15 00:03:47,117 INFO L200 MainTranslator]: Completed pre-run [2025-03-15 00:03:47,169 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-15 00:03:47,229 INFO L204 MainTranslator]: Completed translation [2025-03-15 00:03:47,230 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 12:03:47 WrapperNode [2025-03-15 00:03:47,230 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-15 00:03:47,231 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-15 00:03:47,231 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-15 00:03:47,231 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-15 00:03:47,237 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 12:03:47" (1/1) ... [2025-03-15 00:03:47,255 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 12:03:47" (1/1) ... [2025-03-15 00:03:47,284 INFO L138 Inliner]: procedures = 277, calls = 36, calls flagged for inlining = 12, calls inlined = 13, statements flattened = 182 [2025-03-15 00:03:47,284 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-15 00:03:47,285 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-15 00:03:47,286 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-15 00:03:47,286 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-15 00:03:47,291 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 12:03:47" (1/1) ... [2025-03-15 00:03:47,291 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 12:03:47" (1/1) ... [2025-03-15 00:03:47,297 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 12:03:47" (1/1) ... [2025-03-15 00:03:47,297 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 12:03:47" (1/1) ... [2025-03-15 00:03:47,310 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 12:03:47" (1/1) ... [2025-03-15 00:03:47,311 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 12:03:47" (1/1) ... [2025-03-15 00:03:47,318 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 12:03:47" (1/1) ... [2025-03-15 00:03:47,319 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 12:03:47" (1/1) ... [2025-03-15 00:03:47,320 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 12:03:47" (1/1) ... [2025-03-15 00:03:47,322 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-15 00:03:47,322 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-03-15 00:03:47,322 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-03-15 00:03:47,323 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-03-15 00:03:47,324 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 12:03:47" (1/1) ... [2025-03-15 00:03:47,328 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2025-03-15 00:03:47,349 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-15 00:03:47,365 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 00:03:47,368 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 00:03:47,390 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2025-03-15 00:03:47,390 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2025-03-15 00:03:47,390 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2025-03-15 00:03:47,390 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2025-03-15 00:03:47,390 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2025-03-15 00:03:47,390 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2025-03-15 00:03:47,391 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2025-03-15 00:03:47,391 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2025-03-15 00:03:47,391 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-15 00:03:47,391 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2025-03-15 00:03:47,391 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-15 00:03:47,391 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-15 00:03:47,392 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 00:03:47,491 INFO L234 CfgBuilder]: Building ICFG [2025-03-15 00:03:47,493 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-15 00:03:47,754 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-03-15 00:03:47,754 INFO L283 CfgBuilder]: Performing block encoding [2025-03-15 00:03:47,777 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-15 00:03:47,777 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-15 00:03:47,778 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.03 12:03:47 BoogieIcfgContainer [2025-03-15 00:03:47,778 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-03-15 00:03:47,789 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-15 00:03:47,790 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-15 00:03:47,797 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-15 00:03:47,797 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.03 12:03:46" (1/3) ... [2025-03-15 00:03:47,797 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@54975dcb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.03 12:03:47, skipping insertion in model container [2025-03-15 00:03:47,798 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 12:03:47" (2/3) ... [2025-03-15 00:03:47,798 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@54975dcb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.03 12:03:47, skipping insertion in model container [2025-03-15 00:03:47,798 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.03 12:03:47" (3/3) ... [2025-03-15 00:03:47,799 INFO L128 eAbstractionObserver]: Analyzing ICFG stack-1.i [2025-03-15 00:03:47,820 INFO L303 ceAbstractionStarter]: Automizer settings: Hoare:All NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-15 00:03:47,826 INFO L169 ceAbstractionStarter]: Applying trace abstraction to ICFG stack-1.i that has 3 procedures, 199 locations, 1 initial locations, 2 loop locations, and 11 error locations. [2025-03-15 00:03:47,826 INFO L581 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-03-15 00:03:47,956 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2025-03-15 00:03:47,987 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-15 00:03:47,995 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;@68d302b5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-15 00:03:47,995 INFO L334 AbstractCegarLoop]: Starting to check reachability of 24 error locations. [2025-03-15 00:03:48,032 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2025-03-15 00:03:48,032 INFO L124 PetriNetUnfolderBase]: 1/68 cut-off events. [2025-03-15 00:03:48,035 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2025-03-15 00:03:48,035 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 00:03:48,035 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 00:03:48,036 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting t2Err0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 22 more)] === [2025-03-15 00:03:48,040 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 00:03:48,040 INFO L85 PathProgramCache]: Analyzing trace with hash -830943851, now seen corresponding path program 1 times [2025-03-15 00:03:48,056 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 00:03:48,056 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1039008327] [2025-03-15 00:03:48,056 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-15 00:03:48,058 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 00:03:48,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-15 00:03:48,291 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 00:03:48,292 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 00:03:48,292 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1039008327] [2025-03-15 00:03:48,292 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1039008327] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 00:03:48,293 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 00:03:48,294 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-15 00:03:48,295 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1112249059] [2025-03-15 00:03:48,295 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 00:03:48,300 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-15 00:03:48,303 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 00:03:48,318 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-15 00:03:48,318 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-15 00:03:48,321 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 166 out of 208 [2025-03-15 00:03:48,325 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 205 places, 208 transitions, 430 flow. Second operand has 3 states, 3 states have (on average 167.66666666666666) internal successors, (503), 3 states have internal predecessors, (503), 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 00:03:48,325 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 00:03:48,325 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 166 of 208 [2025-03-15 00:03:48,326 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 00:03:48,932 INFO L124 PetriNetUnfolderBase]: 392/2800 cut-off events. [2025-03-15 00:03:48,933 INFO L125 PetriNetUnfolderBase]: For 174/174 co-relation queries the response was YES. [2025-03-15 00:03:48,950 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3648 conditions, 2800 events. 392/2800 cut-off events. For 174/174 co-relation queries the response was YES. Maximal size of possible extension queue 53. Compared 21331 event pairs, 106 based on Foata normal form. 161/2640 useless extension candidates. Maximal degree in co-relation 3320. Up to 509 conditions per place. [2025-03-15 00:03:48,964 INFO L140 encePairwiseOnDemand]: 180/208 looper letters, 44 selfloop transitions, 16 changer transitions 6/222 dead transitions. [2025-03-15 00:03:48,965 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 199 places, 222 transitions, 589 flow [2025-03-15 00:03:48,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-15 00:03:48,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-15 00:03:48,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 577 transitions. [2025-03-15 00:03:48,980 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.9246794871794872 [2025-03-15 00:03:48,984 INFO L298 CegarLoopForPetriNet]: 205 programPoint places, -6 predicate places. [2025-03-15 00:03:48,984 INFO L471 AbstractCegarLoop]: Abstraction has has 199 places, 222 transitions, 589 flow [2025-03-15 00:03:48,996 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 167.66666666666666) internal successors, (503), 3 states have internal predecessors, (503), 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 00:03:48,996 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 00:03:48,997 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] [2025-03-15 00:03:48,998 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-03-15 00:03:48,999 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting t2Err3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 22 more)] === [2025-03-15 00:03:48,999 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 00:03:49,000 INFO L85 PathProgramCache]: Analyzing trace with hash 625015207, now seen corresponding path program 1 times [2025-03-15 00:03:49,000 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 00:03:49,000 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [702941787] [2025-03-15 00:03:49,000 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-15 00:03:49,000 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 00:03:49,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-15 00:03:49,184 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 00:03:49,185 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 00:03:49,185 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [702941787] [2025-03-15 00:03:49,185 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [702941787] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 00:03:49,185 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 00:03:49,185 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-15 00:03:49,185 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1585521414] [2025-03-15 00:03:49,185 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 00:03:49,186 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-15 00:03:49,186 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 00:03:49,187 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-15 00:03:49,187 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-15 00:03:49,197 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 180 out of 208 [2025-03-15 00:03:49,198 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 199 places, 222 transitions, 589 flow. Second operand has 3 states, 3 states have (on average 182.66666666666666) internal successors, (548), 3 states have internal predecessors, (548), 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 00:03:49,198 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 00:03:49,198 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 180 of 208 [2025-03-15 00:03:49,198 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 00:03:49,745 INFO L124 PetriNetUnfolderBase]: 653/4025 cut-off events. [2025-03-15 00:03:49,745 INFO L125 PetriNetUnfolderBase]: For 766/817 co-relation queries the response was YES. [2025-03-15 00:03:49,752 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6055 conditions, 4025 events. 653/4025 cut-off events. For 766/817 co-relation queries the response was YES. Maximal size of possible extension queue 73. Compared 32084 event pairs, 157 based on Foata normal form. 0/3549 useless extension candidates. Maximal degree in co-relation 5532. Up to 796 conditions per place. [2025-03-15 00:03:49,763 INFO L140 encePairwiseOnDemand]: 203/208 looper letters, 39 selfloop transitions, 3 changer transitions 9/241 dead transitions. [2025-03-15 00:03:49,763 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 201 places, 241 transitions, 767 flow [2025-03-15 00:03:49,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-15 00:03:49,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-15 00:03:49,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 575 transitions. [2025-03-15 00:03:49,765 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.9214743589743589 [2025-03-15 00:03:49,766 INFO L298 CegarLoopForPetriNet]: 205 programPoint places, -4 predicate places. [2025-03-15 00:03:49,766 INFO L471 AbstractCegarLoop]: Abstraction has has 201 places, 241 transitions, 767 flow [2025-03-15 00:03:49,767 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 182.66666666666666) internal successors, (548), 3 states have internal predecessors, (548), 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 00:03:49,767 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 00:03:49,767 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] [2025-03-15 00:03:49,767 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-03-15 00:03:49,767 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting t1Err2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 22 more)] === [2025-03-15 00:03:49,768 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 00:03:49,768 INFO L85 PathProgramCache]: Analyzing trace with hash 1846091183, now seen corresponding path program 1 times [2025-03-15 00:03:49,769 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 00:03:49,769 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1073606105] [2025-03-15 00:03:49,769 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-15 00:03:49,769 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 00:03:49,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-15 00:03:50,456 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 00:03:50,456 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 00:03:50,456 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1073606105] [2025-03-15 00:03:50,456 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1073606105] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 00:03:50,456 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 00:03:50,457 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-15 00:03:50,457 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1788696675] [2025-03-15 00:03:50,457 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 00:03:50,457 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-15 00:03:50,457 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 00:03:50,458 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-15 00:03:50,458 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2025-03-15 00:03:50,461 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 172 out of 208 [2025-03-15 00:03:50,462 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 201 places, 241 transitions, 767 flow. Second operand has 6 states, 6 states have (on average 174.16666666666666) internal successors, (1045), 6 states have internal predecessors, (1045), 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 00:03:50,463 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 00:03:50,463 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 172 of 208 [2025-03-15 00:03:50,463 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 00:03:51,244 INFO L124 PetriNetUnfolderBase]: 1053/5192 cut-off events. [2025-03-15 00:03:51,244 INFO L125 PetriNetUnfolderBase]: For 2526/2651 co-relation queries the response was YES. [2025-03-15 00:03:51,255 INFO L83 FinitePrefix]: Finished finitePrefix Result has 9324 conditions, 5192 events. 1053/5192 cut-off events. For 2526/2651 co-relation queries the response was YES. Maximal size of possible extension queue 91. Compared 42464 event pairs, 277 based on Foata normal form. 3/4632 useless extension candidates. Maximal degree in co-relation 8586. Up to 1230 conditions per place. [2025-03-15 00:03:51,275 INFO L140 encePairwiseOnDemand]: 197/208 looper letters, 76 selfloop transitions, 22 changer transitions 9/294 dead transitions. [2025-03-15 00:03:51,275 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 206 places, 294 transitions, 1199 flow [2025-03-15 00:03:51,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-15 00:03:51,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2025-03-15 00:03:51,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1103 transitions. [2025-03-15 00:03:51,280 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.8838141025641025 [2025-03-15 00:03:51,281 INFO L298 CegarLoopForPetriNet]: 205 programPoint places, 1 predicate places. [2025-03-15 00:03:51,281 INFO L471 AbstractCegarLoop]: Abstraction has has 206 places, 294 transitions, 1199 flow [2025-03-15 00:03:51,282 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 174.16666666666666) internal successors, (1045), 6 states have internal predecessors, (1045), 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 00:03:51,282 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 00:03:51,282 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] [2025-03-15 00:03:51,282 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-03-15 00:03:51,282 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting t1Err4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 22 more)] === [2025-03-15 00:03:51,283 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 00:03:51,283 INFO L85 PathProgramCache]: Analyzing trace with hash 295614453, now seen corresponding path program 1 times [2025-03-15 00:03:51,283 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 00:03:51,283 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [137052710] [2025-03-15 00:03:51,283 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-15 00:03:51,283 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 00:03:51,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-15 00:03:51,346 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 00:03:51,346 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 00:03:51,346 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [137052710] [2025-03-15 00:03:51,346 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [137052710] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 00:03:51,346 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 00:03:51,346 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-15 00:03:51,346 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1805701699] [2025-03-15 00:03:51,346 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 00:03:51,347 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-15 00:03:51,347 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 00:03:51,347 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-15 00:03:51,347 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-15 00:03:51,349 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 162 out of 208 [2025-03-15 00:03:51,350 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 206 places, 294 transitions, 1199 flow. Second operand has 3 states, 3 states have (on average 166.0) internal successors, (498), 3 states have internal predecessors, (498), 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 00:03:51,350 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 00:03:51,350 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 162 of 208 [2025-03-15 00:03:51,350 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 00:03:52,092 INFO L124 PetriNetUnfolderBase]: 1181/5922 cut-off events. [2025-03-15 00:03:52,093 INFO L125 PetriNetUnfolderBase]: For 4896/5359 co-relation queries the response was YES. [2025-03-15 00:03:52,107 INFO L83 FinitePrefix]: Finished finitePrefix Result has 12014 conditions, 5922 events. 1181/5922 cut-off events. For 4896/5359 co-relation queries the response was YES. Maximal size of possible extension queue 103. Compared 50494 event pairs, 303 based on Foata normal form. 9/5350 useless extension candidates. Maximal degree in co-relation 11141. Up to 1581 conditions per place. [2025-03-15 00:03:52,126 INFO L140 encePairwiseOnDemand]: 199/208 looper letters, 120 selfloop transitions, 14 changer transitions 9/329 dead transitions. [2025-03-15 00:03:52,127 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 208 places, 329 transitions, 1654 flow [2025-03-15 00:03:52,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-15 00:03:52,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-15 00:03:52,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 546 transitions. [2025-03-15 00:03:52,129 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.875 [2025-03-15 00:03:52,130 INFO L298 CegarLoopForPetriNet]: 205 programPoint places, 3 predicate places. [2025-03-15 00:03:52,130 INFO L471 AbstractCegarLoop]: Abstraction has has 208 places, 329 transitions, 1654 flow [2025-03-15 00:03:52,130 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 166.0) internal successors, (498), 3 states have internal predecessors, (498), 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 00:03:52,130 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 00:03:52,130 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] [2025-03-15 00:03:52,130 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-03-15 00:03:52,130 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting t2Err0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 22 more)] === [2025-03-15 00:03:52,131 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 00:03:52,131 INFO L85 PathProgramCache]: Analyzing trace with hash -1009203260, now seen corresponding path program 1 times [2025-03-15 00:03:52,131 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 00:03:52,131 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [162713221] [2025-03-15 00:03:52,131 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-15 00:03:52,131 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 00:03:52,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-15 00:03:52,218 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 00:03:52,219 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 00:03:52,219 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [162713221] [2025-03-15 00:03:52,219 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [162713221] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 00:03:52,219 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 00:03:52,219 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-15 00:03:52,219 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [89548024] [2025-03-15 00:03:52,219 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 00:03:52,219 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-15 00:03:52,219 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 00:03:52,220 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-15 00:03:52,220 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-15 00:03:52,220 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 186 out of 208 [2025-03-15 00:03:52,221 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 208 places, 329 transitions, 1654 flow. Second operand has 3 states, 3 states have (on average 189.66666666666666) internal successors, (569), 3 states have internal predecessors, (569), 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 00:03:52,221 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 00:03:52,221 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 186 of 208 [2025-03-15 00:03:52,221 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 00:03:52,323 INFO L124 PetriNetUnfolderBase]: 121/806 cut-off events. [2025-03-15 00:03:52,323 INFO L125 PetriNetUnfolderBase]: For 3014/3022 co-relation queries the response was YES. [2025-03-15 00:03:52,325 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2042 conditions, 806 events. 121/806 cut-off events. For 3014/3022 co-relation queries the response was YES. Maximal size of possible extension queue 29. Compared 4403 event pairs, 3 based on Foata normal form. 154/919 useless extension candidates. Maximal degree in co-relation 1471. Up to 231 conditions per place. [2025-03-15 00:03:52,328 INFO L140 encePairwiseOnDemand]: 204/208 looper letters, 28 selfloop transitions, 12 changer transitions 12/226 dead transitions. [2025-03-15 00:03:52,328 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 201 places, 226 transitions, 1131 flow [2025-03-15 00:03:52,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-15 00:03:52,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-15 00:03:52,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 577 transitions. [2025-03-15 00:03:52,330 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.9246794871794872 [2025-03-15 00:03:52,331 INFO L298 CegarLoopForPetriNet]: 205 programPoint places, -4 predicate places. [2025-03-15 00:03:52,331 INFO L471 AbstractCegarLoop]: Abstraction has has 201 places, 226 transitions, 1131 flow [2025-03-15 00:03:52,331 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 189.66666666666666) internal successors, (569), 3 states have internal predecessors, (569), 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 00:03:52,331 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 00:03:52,331 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] [2025-03-15 00:03:52,331 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-03-15 00:03:52,332 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting t2Err3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 22 more)] === [2025-03-15 00:03:52,332 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 00:03:52,332 INFO L85 PathProgramCache]: Analyzing trace with hash 918693130, now seen corresponding path program 1 times [2025-03-15 00:03:52,334 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 00:03:52,334 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1765211600] [2025-03-15 00:03:52,334 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-15 00:03:52,334 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 00:03:52,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-15 00:03:52,398 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 00:03:52,398 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 00:03:52,398 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1765211600] [2025-03-15 00:03:52,398 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1765211600] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 00:03:52,398 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 00:03:52,398 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-15 00:03:52,399 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1098633685] [2025-03-15 00:03:52,399 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 00:03:52,399 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-15 00:03:52,399 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 00:03:52,400 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-15 00:03:52,400 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-15 00:03:52,400 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 162 out of 208 [2025-03-15 00:03:52,401 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 201 places, 226 transitions, 1131 flow. Second operand has 3 states, 3 states have (on average 169.66666666666666) internal successors, (509), 3 states have internal predecessors, (509), 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 00:03:52,401 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 00:03:52,401 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 162 of 208 [2025-03-15 00:03:52,401 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 00:03:52,587 INFO L124 PetriNetUnfolderBase]: 124/808 cut-off events. [2025-03-15 00:03:52,588 INFO L125 PetriNetUnfolderBase]: For 2447/2457 co-relation queries the response was YES. [2025-03-15 00:03:52,589 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2291 conditions, 808 events. 124/808 cut-off events. For 2447/2457 co-relation queries the response was YES. Maximal size of possible extension queue 30. Compared 4415 event pairs, 0 based on Foata normal form. 0/769 useless extension candidates. Maximal degree in co-relation 1622. Up to 232 conditions per place. [2025-03-15 00:03:52,598 INFO L140 encePairwiseOnDemand]: 205/208 looper letters, 56 selfloop transitions, 2 changer transitions 12/226 dead transitions. [2025-03-15 00:03:52,598 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 202 places, 226 transitions, 1272 flow [2025-03-15 00:03:52,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-15 00:03:52,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-15 00:03:52,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 518 transitions. [2025-03-15 00:03:52,601 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.8301282051282052 [2025-03-15 00:03:52,601 INFO L298 CegarLoopForPetriNet]: 205 programPoint places, -3 predicate places. [2025-03-15 00:03:52,601 INFO L471 AbstractCegarLoop]: Abstraction has has 202 places, 226 transitions, 1272 flow [2025-03-15 00:03:52,602 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 169.66666666666666) internal successors, (509), 3 states have internal predecessors, (509), 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 00:03:52,602 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 00:03:52,602 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] [2025-03-15 00:03:52,602 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2025-03-15 00:03:52,602 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting t2Err5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 22 more)] === [2025-03-15 00:03:52,603 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 00:03:52,603 INFO L85 PathProgramCache]: Analyzing trace with hash 983447779, now seen corresponding path program 1 times [2025-03-15 00:03:52,603 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 00:03:52,603 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [677609721] [2025-03-15 00:03:52,603 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-15 00:03:52,603 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 00:03:52,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-15 00:03:53,091 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 00:03:53,091 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 00:03:53,091 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [677609721] [2025-03-15 00:03:53,091 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [677609721] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 00:03:53,091 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 00:03:53,091 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-15 00:03:53,092 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [282845707] [2025-03-15 00:03:53,092 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 00:03:53,092 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-15 00:03:53,094 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 00:03:53,094 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-15 00:03:53,094 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2025-03-15 00:03:53,095 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 174 out of 208 [2025-03-15 00:03:53,096 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 202 places, 226 transitions, 1272 flow. Second operand has 6 states, 6 states have (on average 177.33333333333334) internal successors, (1064), 6 states have internal predecessors, (1064), 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 00:03:53,096 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 00:03:53,096 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 174 of 208 [2025-03-15 00:03:53,096 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 00:03:53,198 INFO L124 PetriNetUnfolderBase]: 131/813 cut-off events. [2025-03-15 00:03:53,199 INFO L125 PetriNetUnfolderBase]: For 3391/3405 co-relation queries the response was YES. [2025-03-15 00:03:53,200 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2556 conditions, 813 events. 131/813 cut-off events. For 3391/3405 co-relation queries the response was YES. Maximal size of possible extension queue 31. Compared 4532 event pairs, 3 based on Foata normal form. 0/776 useless extension candidates. Maximal degree in co-relation 1752. Up to 239 conditions per place. [2025-03-15 00:03:53,201 INFO L140 encePairwiseOnDemand]: 202/208 looper letters, 0 selfloop transitions, 0 changer transitions 229/229 dead transitions. [2025-03-15 00:03:53,201 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 206 places, 229 transitions, 1462 flow [2025-03-15 00:03:53,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-15 00:03:53,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2025-03-15 00:03:53,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1074 transitions. [2025-03-15 00:03:53,203 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.8605769230769231 [2025-03-15 00:03:53,203 INFO L298 CegarLoopForPetriNet]: 205 programPoint places, 1 predicate places. [2025-03-15 00:03:53,203 INFO L471 AbstractCegarLoop]: Abstraction has has 206 places, 229 transitions, 1462 flow [2025-03-15 00:03:53,204 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 177.33333333333334) internal successors, (1064), 6 states have internal predecessors, (1064), 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 00:03:53,210 INFO L161 wickiGriesTestDumper]: Dumping Owicki-Gries test to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/stack-1.i_petrified1_AllErrorsAtOnce [2025-03-15 00:03:53,232 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (23 of 24 remaining) [2025-03-15 00:03:53,232 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (22 of 24 remaining) [2025-03-15 00:03:53,232 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t1Err0ASSERT_VIOLATIONDATA_RACE (21 of 24 remaining) [2025-03-15 00:03:53,233 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t1Err1ASSERT_VIOLATIONDATA_RACE (20 of 24 remaining) [2025-03-15 00:03:53,233 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t1Err2ASSERT_VIOLATIONDATA_RACE (19 of 24 remaining) [2025-03-15 00:03:53,233 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t1Err3ASSERT_VIOLATIONDATA_RACE (18 of 24 remaining) [2025-03-15 00:03:53,233 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t1Err4ASSERT_VIOLATIONDATA_RACE (17 of 24 remaining) [2025-03-15 00:03:53,233 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t2Err0ASSERT_VIOLATIONDATA_RACE (16 of 24 remaining) [2025-03-15 00:03:53,233 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t2Err1ASSERT_VIOLATIONDATA_RACE (15 of 24 remaining) [2025-03-15 00:03:53,233 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t2Err2ASSERT_VIOLATIONDATA_RACE (14 of 24 remaining) [2025-03-15 00:03:53,233 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t2Err3ASSERT_VIOLATIONDATA_RACE (13 of 24 remaining) [2025-03-15 00:03:53,233 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t2Err4ASSERT_VIOLATIONDATA_RACE (12 of 24 remaining) [2025-03-15 00:03:53,233 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t2Err5ASSERT_VIOLATIONDATA_RACE (11 of 24 remaining) [2025-03-15 00:03:53,233 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t1Err0ASSERT_VIOLATIONDATA_RACE (10 of 24 remaining) [2025-03-15 00:03:53,233 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t1Err1ASSERT_VIOLATIONDATA_RACE (9 of 24 remaining) [2025-03-15 00:03:53,233 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t1Err2ASSERT_VIOLATIONDATA_RACE (8 of 24 remaining) [2025-03-15 00:03:53,233 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t1Err3ASSERT_VIOLATIONDATA_RACE (7 of 24 remaining) [2025-03-15 00:03:53,233 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t1Err4ASSERT_VIOLATIONDATA_RACE (6 of 24 remaining) [2025-03-15 00:03:53,233 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t2Err0ASSERT_VIOLATIONDATA_RACE (5 of 24 remaining) [2025-03-15 00:03:53,233 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t2Err1ASSERT_VIOLATIONDATA_RACE (4 of 24 remaining) [2025-03-15 00:03:53,233 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t2Err2ASSERT_VIOLATIONDATA_RACE (3 of 24 remaining) [2025-03-15 00:03:53,233 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t2Err3ASSERT_VIOLATIONDATA_RACE (2 of 24 remaining) [2025-03-15 00:03:53,233 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t2Err4ASSERT_VIOLATIONDATA_RACE (1 of 24 remaining) [2025-03-15 00:03:53,233 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t2Err5ASSERT_VIOLATIONDATA_RACE (0 of 24 remaining) [2025-03-15 00:03:53,234 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2025-03-15 00:03:53,234 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1] [2025-03-15 00:03:53,237 INFO L328 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2025-03-15 00:03:53,237 INFO L188 ceAbstractionStarter]: Computing trace abstraction results [2025-03-15 00:03:53,240 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.03 12:03:53 BasicIcfg [2025-03-15 00:03:53,241 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-03-15 00:03:53,241 INFO L158 Benchmark]: Toolchain (without parser) took 6545.51ms. Allocated memory was 71.3MB in the beginning and 293.6MB in the end (delta: 222.3MB). Free memory was 41.2MB in the beginning and 70.7MB in the end (delta: -29.5MB). Peak memory consumption was 187.0MB. Max. memory is 8.0GB. [2025-03-15 00:03:53,241 INFO L158 Benchmark]: CDTParser took 0.40ms. Allocated memory is still 71.3MB. Free memory is still 34.2MB. There was no memory consumed. Max. memory is 8.0GB. [2025-03-15 00:03:53,241 INFO L158 Benchmark]: CACSL2BoogieTranslator took 533.92ms. Allocated memory is still 71.3MB. Free memory was 41.1MB in the beginning and 36.2MB in the end (delta: 4.9MB). Peak memory consumption was 30.1MB. Max. memory is 8.0GB. [2025-03-15 00:03:53,241 INFO L158 Benchmark]: Boogie Procedure Inliner took 53.36ms. Allocated memory is still 71.3MB. Free memory was 36.2MB in the beginning and 33.6MB in the end (delta: 2.6MB). There was no memory consumed. Max. memory is 8.0GB. [2025-03-15 00:03:53,242 INFO L158 Benchmark]: Boogie Preprocessor took 37.00ms. Allocated memory is still 71.3MB. Free memory was 33.6MB in the beginning and 31.7MB in the end (delta: 1.9MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. [2025-03-15 00:03:53,242 INFO L158 Benchmark]: RCFGBuilder took 455.36ms. Allocated memory is still 71.3MB. Free memory was 31.7MB in the beginning and 34.8MB in the end (delta: -3.1MB). Peak memory consumption was 20.1MB. Max. memory is 8.0GB. [2025-03-15 00:03:53,242 INFO L158 Benchmark]: TraceAbstraction took 5451.19ms. Allocated memory was 71.3MB in the beginning and 293.6MB in the end (delta: 222.3MB). Free memory was 33.7MB in the beginning and 70.7MB in the end (delta: -37.0MB). Peak memory consumption was 179.9MB. Max. memory is 8.0GB. [2025-03-15 00:03:53,243 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.40ms. Allocated memory is still 71.3MB. Free memory is still 34.2MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 533.92ms. Allocated memory is still 71.3MB. Free memory was 41.1MB in the beginning and 36.2MB in the end (delta: 4.9MB). Peak memory consumption was 30.1MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 53.36ms. Allocated memory is still 71.3MB. Free memory was 36.2MB in the beginning and 33.6MB in the end (delta: 2.6MB). There was no memory consumed. Max. memory is 8.0GB. * Boogie Preprocessor took 37.00ms. Allocated memory is still 71.3MB. Free memory was 33.6MB in the beginning and 31.7MB in the end (delta: 1.9MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. * RCFGBuilder took 455.36ms. Allocated memory is still 71.3MB. Free memory was 31.7MB in the beginning and 34.8MB in the end (delta: -3.1MB). Peak memory consumption was 20.1MB. Max. memory is 8.0GB. * TraceAbstraction took 5451.19ms. Allocated memory was 71.3MB in the beginning and 293.6MB in the end (delta: 222.3MB). Free memory was 33.7MB in the beginning and 70.7MB in the end (delta: -37.0MB). Peak memory consumption was 179.9MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 962]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 954]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 969]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 946]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 946]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1009]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 976]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 950]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 950]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 954]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 984]: 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, 354 locations, 24 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: 5.3s, OverallIterations: 7, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 3.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 73 SdHoareTripleChecker+Valid, 0.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 73 mSDsluCounter, 121 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 30 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 402 IncrementalHoareTripleChecker+Invalid, 432 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 30 mSolverCounterUnsat, 121 mSDtfsCounter, 402 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 25 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1654occurred in iteration=4, InterpolantAutomatonStates: 27, 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: 0.1s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.4s InterpolantComputationTime, 596 NumberOfCodeBlocks, 596 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 589 ConstructedInterpolants, 0 QuantifiedInterpolants, 1047 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 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 11 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2025-03-15 00:03:53,254 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...