/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/ldv-races/race-2_5-container_of.i -------------------------------------------------------------------------------- This is Ultimate 0.3.0-wip.dk.empire2-owicki-f61efc6-m [2025-03-15 00:19:28,903 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-15 00:19:28,987 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 00:19:29,016 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-15 00:19:29,017 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-15 00:19:29,017 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-15 00:19:29,019 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-15 00:19:29,020 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-15 00:19:29,020 INFO L153 SettingsManager]: * Use SBE=true [2025-03-15 00:19:29,020 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-15 00:19:29,020 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-15 00:19:29,020 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-15 00:19:29,020 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-15 00:19:29,020 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-15 00:19:29,020 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-15 00:19:29,020 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-15 00:19:29,020 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-15 00:19:29,020 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-15 00:19:29,020 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-15 00:19:29,020 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-15 00:19:29,020 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-15 00:19:29,021 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-03-15 00:19:29,021 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-15 00:19:29,021 INFO L153 SettingsManager]: * To the following directory=./dump/ [2025-03-15 00:19:29,021 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-15 00:19:29,021 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2025-03-15 00:19:29,021 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-15 00:19:29,021 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-15 00:19:29,021 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-15 00:19:29,021 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-15 00:19:29,021 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-15 00:19:29,021 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-15 00:19:29,021 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 00:19:29,280 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-15 00:19:29,287 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-15 00:19:29,289 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-15 00:19:29,289 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-15 00:19:29,290 INFO L274 PluginConnector]: CDTParser initialized [2025-03-15 00:19:29,290 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-races/race-2_5-container_of.i [2025-03-15 00:19:30,560 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6666b6eb6/a22aaceaf2d042879c1343d3069764a9/FLAG7988188b1 [2025-03-15 00:19:30,830 INFO L384 CDTParser]: Found 1 translation units. [2025-03-15 00:19:30,831 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-races/race-2_5-container_of.i [2025-03-15 00:19:30,871 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6666b6eb6/a22aaceaf2d042879c1343d3069764a9/FLAG7988188b1 [2025-03-15 00:19:30,886 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6666b6eb6/a22aaceaf2d042879c1343d3069764a9 [2025-03-15 00:19:30,889 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-15 00:19:30,893 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2025-03-15 00:19:30,895 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-15 00:19:30,895 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-15 00:19:30,899 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-15 00:19:30,900 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.03 12:19:30" (1/1) ... [2025-03-15 00:19:30,901 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7172ab8a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 12:19:30, skipping insertion in model container [2025-03-15 00:19:30,901 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.03 12:19:30" (1/1) ... [2025-03-15 00:19:30,949 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-15 00:19:31,266 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-15 00:19:31,276 INFO L200 MainTranslator]: Completed pre-run [2025-03-15 00:19:31,334 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-15 00:19:31,393 INFO L204 MainTranslator]: Completed translation [2025-03-15 00:19:31,394 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 12:19:31 WrapperNode [2025-03-15 00:19:31,394 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-15 00:19:31,395 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-15 00:19:31,395 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-15 00:19:31,395 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-15 00:19:31,399 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 12:19:31" (1/1) ... [2025-03-15 00:19:31,417 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 12:19:31" (1/1) ... [2025-03-15 00:19:31,452 INFO L138 Inliner]: procedures = 248, calls = 56, calls flagged for inlining = 13, calls inlined = 18, statements flattened = 238 [2025-03-15 00:19:31,452 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-15 00:19:31,456 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-15 00:19:31,456 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-15 00:19:31,456 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-15 00:19:31,462 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 12:19:31" (1/1) ... [2025-03-15 00:19:31,462 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 12:19:31" (1/1) ... [2025-03-15 00:19:31,467 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 12:19:31" (1/1) ... [2025-03-15 00:19:31,470 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 12:19:31" (1/1) ... [2025-03-15 00:19:31,492 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 12:19:31" (1/1) ... [2025-03-15 00:19:31,493 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 12:19:31" (1/1) ... [2025-03-15 00:19:31,495 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 12:19:31" (1/1) ... [2025-03-15 00:19:31,497 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 12:19:31" (1/1) ... [2025-03-15 00:19:31,499 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 12:19:31" (1/1) ... [2025-03-15 00:19:31,504 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-15 00:19:31,512 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-03-15 00:19:31,512 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-03-15 00:19:31,512 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-03-15 00:19:31,513 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 12:19:31" (1/1) ... [2025-03-15 00:19:31,518 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2025-03-15 00:19:31,533 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-15 00:19:31,556 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 00:19:31,566 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 00:19:31,585 INFO L130 BoogieDeclarations]: Found specification of procedure my_callback [2025-03-15 00:19:31,585 INFO L138 BoogieDeclarations]: Found implementation of procedure my_callback [2025-03-15 00:19:31,585 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2025-03-15 00:19:31,585 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-03-15 00:19:31,585 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-03-15 00:19:31,585 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2025-03-15 00:19:31,585 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2025-03-15 00:19:31,585 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2025-03-15 00:19:31,585 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2025-03-15 00:19:31,585 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2025-03-15 00:19:31,585 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-15 00:19:31,586 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2025-03-15 00:19:31,586 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2025-03-15 00:19:31,586 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-15 00:19:31,586 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-15 00:19:31,587 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 00:19:31,801 INFO L234 CfgBuilder]: Building ICFG [2025-03-15 00:19:31,802 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-15 00:19:32,139 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-03-15 00:19:32,139 INFO L283 CfgBuilder]: Performing block encoding [2025-03-15 00:19:32,249 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-15 00:19:32,249 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-15 00:19:32,250 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.03 12:19:32 BoogieIcfgContainer [2025-03-15 00:19:32,250 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-03-15 00:19:32,252 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-15 00:19:32,253 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-15 00:19:32,256 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-15 00:19:32,257 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.03 12:19:30" (1/3) ... [2025-03-15 00:19:32,257 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@46a270d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.03 12:19:32, skipping insertion in model container [2025-03-15 00:19:32,257 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 12:19:31" (2/3) ... [2025-03-15 00:19:32,257 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@46a270d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.03 12:19:32, skipping insertion in model container [2025-03-15 00:19:32,258 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.03 12:19:32" (3/3) ... [2025-03-15 00:19:32,258 INFO L128 eAbstractionObserver]: Analyzing ICFG race-2_5-container_of.i [2025-03-15 00:19:32,271 INFO L303 ceAbstractionStarter]: Automizer settings: Hoare:All NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-15 00:19:32,273 INFO L169 ceAbstractionStarter]: Applying trace abstraction to ICFG race-2_5-container_of.i that has 2 procedures, 236 locations, 1 initial locations, 0 loop locations, and 19 error locations. [2025-03-15 00:19:32,273 INFO L581 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-03-15 00:19:32,357 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2025-03-15 00:19:32,395 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-15 00:19:32,405 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;@7683778, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-15 00:19:32,405 INFO L334 AbstractCegarLoop]: Starting to check reachability of 27 error locations. [2025-03-15 00:19:32,438 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2025-03-15 00:19:32,438 INFO L124 PetriNetUnfolderBase]: 0/36 cut-off events. [2025-03-15 00:19:32,440 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-03-15 00:19:32,440 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 00:19:32,440 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] [2025-03-15 00:19:32,441 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2025-03-15 00:19:32,445 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 00:19:32,446 INFO L85 PathProgramCache]: Analyzing trace with hash 1049401017, now seen corresponding path program 1 times [2025-03-15 00:19:32,452 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 00:19:32,452 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [397742362] [2025-03-15 00:19:32,452 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-15 00:19:32,453 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 00:19:32,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-15 00:19:33,286 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 00:19:33,287 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 00:19:33,287 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [397742362] [2025-03-15 00:19:33,288 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [397742362] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 00:19:33,288 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 00:19:33,288 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-15 00:19:33,289 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [173954529] [2025-03-15 00:19:33,289 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 00:19:33,294 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-15 00:19:33,298 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 00:19:33,317 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-15 00:19:33,318 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2025-03-15 00:19:33,323 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 170 out of 267 [2025-03-15 00:19:33,331 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 263 places, 267 transitions, 548 flow. Second operand has 6 states, 6 states have (on average 171.83333333333334) internal successors, (1031), 6 states have internal predecessors, (1031), 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 00:19:33,331 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 00:19:33,332 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 170 of 267 [2025-03-15 00:19:33,333 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 00:19:34,538 INFO L124 PetriNetUnfolderBase]: 1557/4312 cut-off events. [2025-03-15 00:19:34,539 INFO L125 PetriNetUnfolderBase]: For 28/28 co-relation queries the response was YES. [2025-03-15 00:19:34,561 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6921 conditions, 4312 events. 1557/4312 cut-off events. For 28/28 co-relation queries the response was YES. Maximal size of possible extension queue 145. Compared 33962 event pairs, 1555 based on Foata normal form. 152/4185 useless extension candidates. Maximal degree in co-relation 6633. Up to 2580 conditions per place. [2025-03-15 00:19:34,585 INFO L140 encePairwiseOnDemand]: 243/267 looper letters, 68 selfloop transitions, 5 changer transitions 25/234 dead transitions. [2025-03-15 00:19:34,585 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 243 places, 234 transitions, 628 flow [2025-03-15 00:19:34,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-15 00:19:34,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2025-03-15 00:19:34,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1113 transitions. [2025-03-15 00:19:34,620 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.6947565543071161 [2025-03-15 00:19:34,624 INFO L298 CegarLoopForPetriNet]: 263 programPoint places, -20 predicate places. [2025-03-15 00:19:34,625 INFO L471 AbstractCegarLoop]: Abstraction has has 243 places, 234 transitions, 628 flow [2025-03-15 00:19:34,625 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 171.83333333333334) internal successors, (1031), 6 states have internal predecessors, (1031), 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 00:19:34,625 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 00:19:34,625 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] [2025-03-15 00:19:34,626 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-03-15 00:19:34,626 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2025-03-15 00:19:34,626 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 00:19:34,626 INFO L85 PathProgramCache]: Analyzing trace with hash -1880102555, now seen corresponding path program 1 times [2025-03-15 00:19:34,627 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 00:19:34,627 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [724826297] [2025-03-15 00:19:34,627 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-15 00:19:34,627 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 00:19:34,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-15 00:19:35,037 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 00:19:35,037 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 00:19:35,037 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [724826297] [2025-03-15 00:19:35,037 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [724826297] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 00:19:35,037 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 00:19:35,038 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-15 00:19:35,038 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1330608393] [2025-03-15 00:19:35,038 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 00:19:35,039 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-15 00:19:35,039 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 00:19:35,039 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-15 00:19:35,041 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2025-03-15 00:19:35,042 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 170 out of 267 [2025-03-15 00:19:35,044 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 243 places, 234 transitions, 628 flow. Second operand has 6 states, 6 states have (on average 172.83333333333334) internal successors, (1037), 6 states have internal predecessors, (1037), 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 00:19:35,044 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 00:19:35,044 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 170 of 267 [2025-03-15 00:19:35,044 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 00:19:35,837 INFO L124 PetriNetUnfolderBase]: 1557/4311 cut-off events. [2025-03-15 00:19:35,838 INFO L125 PetriNetUnfolderBase]: For 183/295 co-relation queries the response was YES. [2025-03-15 00:19:35,848 INFO L83 FinitePrefix]: Finished finitePrefix Result has 9503 conditions, 4311 events. 1557/4311 cut-off events. For 183/295 co-relation queries the response was YES. Maximal size of possible extension queue 145. Compared 34013 event pairs, 1555 based on Foata normal form. 0/4033 useless extension candidates. Maximal degree in co-relation 9148. Up to 2579 conditions per place. [2025-03-15 00:19:35,869 INFO L140 encePairwiseOnDemand]: 261/267 looper letters, 67 selfloop transitions, 5 changer transitions 25/233 dead transitions. [2025-03-15 00:19:35,870 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 247 places, 233 transitions, 770 flow [2025-03-15 00:19:35,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-15 00:19:35,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2025-03-15 00:19:35,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1094 transitions. [2025-03-15 00:19:35,873 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.682896379525593 [2025-03-15 00:19:35,877 INFO L298 CegarLoopForPetriNet]: 263 programPoint places, -16 predicate places. [2025-03-15 00:19:35,877 INFO L471 AbstractCegarLoop]: Abstraction has has 247 places, 233 transitions, 770 flow [2025-03-15 00:19:35,878 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 172.83333333333334) internal successors, (1037), 6 states have internal predecessors, (1037), 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 00:19:35,878 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 00:19:35,878 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] [2025-03-15 00:19:35,878 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-03-15 00:19:35,878 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2025-03-15 00:19:35,879 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 00:19:35,879 INFO L85 PathProgramCache]: Analyzing trace with hash 1082568348, now seen corresponding path program 1 times [2025-03-15 00:19:35,879 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 00:19:35,879 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [236578601] [2025-03-15 00:19:35,879 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-15 00:19:35,879 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 00:19:35,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-15 00:19:35,962 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 00:19:35,962 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 00:19:35,962 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [236578601] [2025-03-15 00:19:35,962 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [236578601] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 00:19:35,962 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 00:19:35,962 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-15 00:19:35,962 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1976579837] [2025-03-15 00:19:35,962 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 00:19:35,963 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-15 00:19:35,963 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 00:19:35,963 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-15 00:19:35,963 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-15 00:19:35,964 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 217 out of 267 [2025-03-15 00:19:35,967 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 247 places, 233 transitions, 770 flow. Second operand has 3 states, 3 states have (on average 218.33333333333334) internal successors, (655), 3 states have internal predecessors, (655), 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 00:19:35,967 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 00:19:35,967 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 217 of 267 [2025-03-15 00:19:35,967 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 00:19:36,565 INFO L124 PetriNetUnfolderBase]: 1742/4711 cut-off events. [2025-03-15 00:19:36,565 INFO L125 PetriNetUnfolderBase]: For 1257/1381 co-relation queries the response was YES. [2025-03-15 00:19:36,575 INFO L83 FinitePrefix]: Finished finitePrefix Result has 12245 conditions, 4711 events. 1742/4711 cut-off events. For 1257/1381 co-relation queries the response was YES. Maximal size of possible extension queue 158. Compared 37533 event pairs, 1735 based on Foata normal form. 0/4399 useless extension candidates. Maximal degree in co-relation 11834. Up to 2764 conditions per place. [2025-03-15 00:19:36,597 INFO L140 encePairwiseOnDemand]: 264/267 looper letters, 30 selfloop transitions, 2 changer transitions 25/237 dead transitions. [2025-03-15 00:19:36,598 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 248 places, 237 transitions, 862 flow [2025-03-15 00:19:36,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-15 00:19:36,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-15 00:19:36,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 684 transitions. [2025-03-15 00:19:36,600 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.8539325842696629 [2025-03-15 00:19:36,601 INFO L298 CegarLoopForPetriNet]: 263 programPoint places, -15 predicate places. [2025-03-15 00:19:36,601 INFO L471 AbstractCegarLoop]: Abstraction has has 248 places, 237 transitions, 862 flow [2025-03-15 00:19:36,602 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 218.33333333333334) internal successors, (655), 3 states have internal predecessors, (655), 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 00:19:36,602 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 00:19:36,602 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] [2025-03-15 00:19:36,602 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-03-15 00:19:36,603 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2025-03-15 00:19:36,604 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 00:19:36,604 INFO L85 PathProgramCache]: Analyzing trace with hash -95653114, now seen corresponding path program 1 times [2025-03-15 00:19:36,604 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 00:19:36,604 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [520614080] [2025-03-15 00:19:36,604 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-15 00:19:36,605 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 00:19:36,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-15 00:19:36,678 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 00:19:36,678 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 00:19:36,678 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [520614080] [2025-03-15 00:19:36,678 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [520614080] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 00:19:36,678 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 00:19:36,679 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-15 00:19:36,679 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [70543038] [2025-03-15 00:19:36,679 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 00:19:36,679 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-15 00:19:36,680 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 00:19:36,680 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-15 00:19:36,680 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-15 00:19:36,680 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 221 out of 267 [2025-03-15 00:19:36,681 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 248 places, 237 transitions, 862 flow. Second operand has 3 states, 3 states have (on average 221.66666666666666) internal successors, (665), 3 states have internal predecessors, (665), 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 00:19:36,681 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 00:19:36,681 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 221 of 267 [2025-03-15 00:19:36,681 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 00:19:37,254 INFO L124 PetriNetUnfolderBase]: 1681/4585 cut-off events. [2025-03-15 00:19:37,254 INFO L125 PetriNetUnfolderBase]: For 3414/3526 co-relation queries the response was YES. [2025-03-15 00:19:37,264 INFO L83 FinitePrefix]: Finished finitePrefix Result has 13780 conditions, 4585 events. 1681/4585 cut-off events. For 3414/3526 co-relation queries the response was YES. Maximal size of possible extension queue 148. Compared 35571 event pairs, 1530 based on Foata normal form. 0/4308 useless extension candidates. Maximal degree in co-relation 13239. Up to 2728 conditions per place. [2025-03-15 00:19:37,293 INFO L140 encePairwiseOnDemand]: 265/267 looper letters, 36 selfloop transitions, 1 changer transitions 25/246 dead transitions. [2025-03-15 00:19:37,293 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 249 places, 246 transitions, 1012 flow [2025-03-15 00:19:37,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-15 00:19:37,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-15 00:19:37,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 696 transitions. [2025-03-15 00:19:37,295 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.8689138576779026 [2025-03-15 00:19:37,297 INFO L298 CegarLoopForPetriNet]: 263 programPoint places, -14 predicate places. [2025-03-15 00:19:37,297 INFO L471 AbstractCegarLoop]: Abstraction has has 249 places, 246 transitions, 1012 flow [2025-03-15 00:19:37,298 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 221.66666666666666) internal successors, (665), 3 states have internal predecessors, (665), 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 00:19:37,298 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 00:19:37,299 INFO L221 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-15 00:19:37,299 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-03-15 00:19:37,300 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2025-03-15 00:19:37,301 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 00:19:37,301 INFO L85 PathProgramCache]: Analyzing trace with hash -1385087557, now seen corresponding path program 1 times [2025-03-15 00:19:37,301 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 00:19:37,301 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1524910973] [2025-03-15 00:19:37,301 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-15 00:19:37,302 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 00:19:37,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-15 00:19:37,374 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 00:19:37,375 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 00:19:37,375 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1524910973] [2025-03-15 00:19:37,375 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1524910973] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 00:19:37,375 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 00:19:37,375 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-15 00:19:37,375 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1841537624] [2025-03-15 00:19:37,375 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 00:19:37,375 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-15 00:19:37,376 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 00:19:37,376 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-15 00:19:37,376 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-15 00:19:37,377 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 217 out of 267 [2025-03-15 00:19:37,377 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 249 places, 246 transitions, 1012 flow. Second operand has 3 states, 3 states have (on average 218.66666666666666) internal successors, (656), 3 states have internal predecessors, (656), 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 00:19:37,377 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 00:19:37,377 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 217 of 267 [2025-03-15 00:19:37,377 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 00:19:38,178 INFO L124 PetriNetUnfolderBase]: 1771/5051 cut-off events. [2025-03-15 00:19:38,178 INFO L125 PetriNetUnfolderBase]: For 11185/11240 co-relation queries the response was YES. [2025-03-15 00:19:38,190 INFO L83 FinitePrefix]: Finished finitePrefix Result has 16560 conditions, 5051 events. 1771/5051 cut-off events. For 11185/11240 co-relation queries the response was YES. Maximal size of possible extension queue 143. Compared 40316 event pairs, 0 based on Foata normal form. 0/4767 useless extension candidates. Maximal degree in co-relation 15661. Up to 2818 conditions per place. [2025-03-15 00:19:38,217 INFO L140 encePairwiseOnDemand]: 264/267 looper letters, 50 selfloop transitions, 2 changer transitions 25/255 dead transitions. [2025-03-15 00:19:38,218 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 250 places, 255 transitions, 1214 flow [2025-03-15 00:19:38,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-15 00:19:38,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-15 00:19:38,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 689 transitions. [2025-03-15 00:19:38,220 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.8601747815230961 [2025-03-15 00:19:38,222 INFO L298 CegarLoopForPetriNet]: 263 programPoint places, -13 predicate places. [2025-03-15 00:19:38,223 INFO L471 AbstractCegarLoop]: Abstraction has has 250 places, 255 transitions, 1214 flow [2025-03-15 00:19:38,223 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 218.66666666666666) internal successors, (656), 3 states have internal predecessors, (656), 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 00:19:38,223 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 00:19:38,223 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] [2025-03-15 00:19:38,224 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-03-15 00:19:38,224 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2025-03-15 00:19:38,225 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 00:19:38,225 INFO L85 PathProgramCache]: Analyzing trace with hash 2017665094, now seen corresponding path program 1 times [2025-03-15 00:19:38,225 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 00:19:38,225 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1442443346] [2025-03-15 00:19:38,225 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-15 00:19:38,225 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 00:19:38,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-15 00:19:38,648 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 00:19:38,649 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 00:19:38,649 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1442443346] [2025-03-15 00:19:38,649 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1442443346] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 00:19:38,649 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 00:19:38,649 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-15 00:19:38,649 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [474995498] [2025-03-15 00:19:38,649 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 00:19:38,649 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-15 00:19:38,649 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 00:19:38,650 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-15 00:19:38,650 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2025-03-15 00:19:38,650 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 163 out of 267 [2025-03-15 00:19:38,651 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 250 places, 255 transitions, 1214 flow. Second operand has 6 states, 6 states have (on average 166.33333333333334) internal successors, (998), 6 states have internal predecessors, (998), 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 00:19:38,651 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 00:19:38,651 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 163 of 267 [2025-03-15 00:19:38,651 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 00:19:39,556 INFO L124 PetriNetUnfolderBase]: 2683/6179 cut-off events. [2025-03-15 00:19:39,557 INFO L125 PetriNetUnfolderBase]: For 19459/19846 co-relation queries the response was YES. [2025-03-15 00:19:39,570 INFO L83 FinitePrefix]: Finished finitePrefix Result has 26758 conditions, 6179 events. 2683/6179 cut-off events. For 19459/19846 co-relation queries the response was YES. Maximal size of possible extension queue 208. Compared 47803 event pairs, 1063 based on Foata normal form. 0/5857 useless extension candidates. Maximal degree in co-relation 25698. Up to 3924 conditions per place. [2025-03-15 00:19:39,603 INFO L140 encePairwiseOnDemand]: 254/267 looper letters, 115 selfloop transitions, 30 changer transitions 25/300 dead transitions. [2025-03-15 00:19:39,604 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 255 places, 300 transitions, 2020 flow [2025-03-15 00:19:39,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-15 00:19:39,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2025-03-15 00:19:39,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1104 transitions. [2025-03-15 00:19:39,606 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.6891385767790262 [2025-03-15 00:19:39,607 INFO L298 CegarLoopForPetriNet]: 263 programPoint places, -8 predicate places. [2025-03-15 00:19:39,607 INFO L471 AbstractCegarLoop]: Abstraction has has 255 places, 300 transitions, 2020 flow [2025-03-15 00:19:39,608 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 166.33333333333334) internal successors, (998), 6 states have internal predecessors, (998), 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 00:19:39,608 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 00:19:39,608 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] [2025-03-15 00:19:39,608 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2025-03-15 00:19:39,608 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2025-03-15 00:19:39,608 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 00:19:39,608 INFO L85 PathProgramCache]: Analyzing trace with hash 1875844679, now seen corresponding path program 1 times [2025-03-15 00:19:39,608 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 00:19:39,608 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1452177972] [2025-03-15 00:19:39,609 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-15 00:19:39,609 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 00:19:39,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-15 00:19:39,991 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 00:19:39,991 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 00:19:39,991 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1452177972] [2025-03-15 00:19:39,991 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1452177972] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 00:19:39,991 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 00:19:39,991 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-15 00:19:39,991 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1842264957] [2025-03-15 00:19:39,992 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 00:19:39,992 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-15 00:19:39,992 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 00:19:39,992 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-15 00:19:39,992 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2025-03-15 00:19:39,993 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 163 out of 267 [2025-03-15 00:19:39,994 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 255 places, 300 transitions, 2020 flow. Second operand has 6 states, 6 states have (on average 167.33333333333334) internal successors, (1004), 6 states have internal predecessors, (1004), 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 00:19:39,994 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 00:19:39,994 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 163 of 267 [2025-03-15 00:19:39,994 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 00:19:41,142 INFO L124 PetriNetUnfolderBase]: 3055/6883 cut-off events. [2025-03-15 00:19:41,143 INFO L125 PetriNetUnfolderBase]: For 27522/27577 co-relation queries the response was YES. [2025-03-15 00:19:41,153 INFO L83 FinitePrefix]: Finished finitePrefix Result has 34820 conditions, 6883 events. 3055/6883 cut-off events. For 27522/27577 co-relation queries the response was YES. Maximal size of possible extension queue 234. Compared 53336 event pairs, 16 based on Foata normal form. 0/6611 useless extension candidates. Maximal degree in co-relation 33603. Up to 4418 conditions per place. [2025-03-15 00:19:41,189 INFO L140 encePairwiseOnDemand]: 254/267 looper letters, 159 selfloop transitions, 30 changer transitions 25/345 dead transitions. [2025-03-15 00:19:41,190 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 260 places, 345 transitions, 3002 flow [2025-03-15 00:19:41,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-15 00:19:41,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2025-03-15 00:19:41,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1104 transitions. [2025-03-15 00:19:41,192 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.6891385767790262 [2025-03-15 00:19:41,193 INFO L298 CegarLoopForPetriNet]: 263 programPoint places, -3 predicate places. [2025-03-15 00:19:41,193 INFO L471 AbstractCegarLoop]: Abstraction has has 260 places, 345 transitions, 3002 flow [2025-03-15 00:19:41,194 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 167.33333333333334) internal successors, (1004), 6 states have internal predecessors, (1004), 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 00:19:41,194 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 00:19:41,194 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 00:19:41,194 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2025-03-15 00:19:41,194 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2025-03-15 00:19:41,194 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 00:19:41,194 INFO L85 PathProgramCache]: Analyzing trace with hash 720598424, now seen corresponding path program 1 times [2025-03-15 00:19:41,194 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 00:19:41,195 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1767582187] [2025-03-15 00:19:41,195 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-15 00:19:41,195 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 00:19:41,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-15 00:19:41,652 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 00:19:41,652 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 00:19:41,652 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1767582187] [2025-03-15 00:19:41,652 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1767582187] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 00:19:41,652 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 00:19:41,652 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-15 00:19:41,652 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1440282708] [2025-03-15 00:19:41,652 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 00:19:41,652 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-15 00:19:41,653 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 00:19:41,653 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-15 00:19:41,653 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2025-03-15 00:19:41,654 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 165 out of 267 [2025-03-15 00:19:41,656 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 260 places, 345 transitions, 3002 flow. Second operand has 6 states, 6 states have (on average 170.16666666666666) internal successors, (1021), 6 states have internal predecessors, (1021), 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 00:19:41,656 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 00:19:41,656 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 165 of 267 [2025-03-15 00:19:41,657 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 00:19:43,083 INFO L124 PetriNetUnfolderBase]: 3723/8259 cut-off events. [2025-03-15 00:19:43,083 INFO L125 PetriNetUnfolderBase]: For 26296/27539 co-relation queries the response was YES. [2025-03-15 00:19:43,098 INFO L83 FinitePrefix]: Finished finitePrefix Result has 48045 conditions, 8259 events. 3723/8259 cut-off events. For 26296/27539 co-relation queries the response was YES. Maximal size of possible extension queue 247. Compared 66341 event pairs, 947 based on Foata normal form. 0/7882 useless extension candidates. Maximal degree in co-relation 46685. Up to 5495 conditions per place. [2025-03-15 00:19:43,137 INFO L140 encePairwiseOnDemand]: 250/267 looper letters, 211 selfloop transitions, 26 changer transitions 28/399 dead transitions. [2025-03-15 00:19:43,138 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 264 places, 399 transitions, 4256 flow [2025-03-15 00:19:43,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-15 00:19:43,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2025-03-15 00:19:43,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1124 transitions. [2025-03-15 00:19:43,140 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.7016229712858927 [2025-03-15 00:19:43,142 INFO L298 CegarLoopForPetriNet]: 263 programPoint places, 1 predicate places. [2025-03-15 00:19:43,142 INFO L471 AbstractCegarLoop]: Abstraction has has 264 places, 399 transitions, 4256 flow [2025-03-15 00:19:43,143 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 170.16666666666666) internal successors, (1021), 6 states have internal predecessors, (1021), 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 00:19:43,143 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 00:19:43,143 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 00:19:43,143 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2025-03-15 00:19:43,144 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2025-03-15 00:19:43,144 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 00:19:43,144 INFO L85 PathProgramCache]: Analyzing trace with hash -465823305, now seen corresponding path program 1 times [2025-03-15 00:19:43,144 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 00:19:43,144 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [421003638] [2025-03-15 00:19:43,144 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-15 00:19:43,144 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 00:19:43,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-15 00:19:43,512 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 00:19:43,512 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 00:19:43,512 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [421003638] [2025-03-15 00:19:43,512 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [421003638] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 00:19:43,512 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 00:19:43,512 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-15 00:19:43,512 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2109361541] [2025-03-15 00:19:43,512 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 00:19:43,513 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-15 00:19:43,513 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 00:19:43,513 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-15 00:19:43,513 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2025-03-15 00:19:43,514 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 165 out of 267 [2025-03-15 00:19:43,515 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 264 places, 399 transitions, 4256 flow. Second operand has 6 states, 6 states have (on average 171.16666666666666) internal successors, (1027), 6 states have internal predecessors, (1027), 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 00:19:43,515 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 00:19:43,515 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 165 of 267 [2025-03-15 00:19:43,515 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 00:19:45,249 INFO L124 PetriNetUnfolderBase]: 3975/8857 cut-off events. [2025-03-15 00:19:45,249 INFO L125 PetriNetUnfolderBase]: For 31293/32488 co-relation queries the response was YES. [2025-03-15 00:19:45,270 INFO L83 FinitePrefix]: Finished finitePrefix Result has 57430 conditions, 8857 events. 3975/8857 cut-off events. For 31293/32488 co-relation queries the response was YES. Maximal size of possible extension queue 239. Compared 71178 event pairs, 512 based on Foata normal form. 28/8529 useless extension candidates. Maximal degree in co-relation 55933. Up to 5900 conditions per place. [2025-03-15 00:19:45,319 INFO L140 encePairwiseOnDemand]: 250/267 looper letters, 263 selfloop transitions, 40 changer transitions 75/489 dead transitions. [2025-03-15 00:19:45,319 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 268 places, 489 transitions, 6474 flow [2025-03-15 00:19:45,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-15 00:19:45,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2025-03-15 00:19:45,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1122 transitions. [2025-03-15 00:19:45,321 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.700374531835206 [2025-03-15 00:19:45,322 INFO L298 CegarLoopForPetriNet]: 263 programPoint places, 5 predicate places. [2025-03-15 00:19:45,322 INFO L471 AbstractCegarLoop]: Abstraction has has 268 places, 489 transitions, 6474 flow [2025-03-15 00:19:45,323 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 171.16666666666666) internal successors, (1027), 6 states have internal predecessors, (1027), 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 00:19:45,323 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 00:19:45,323 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] [2025-03-15 00:19:45,323 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2025-03-15 00:19:45,323 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2025-03-15 00:19:45,324 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 00:19:45,324 INFO L85 PathProgramCache]: Analyzing trace with hash -1338157600, now seen corresponding path program 1 times [2025-03-15 00:19:45,324 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 00:19:45,324 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1061675406] [2025-03-15 00:19:45,324 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-15 00:19:45,324 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 00:19:45,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-15 00:19:45,424 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 00:19:45,424 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 00:19:45,424 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1061675406] [2025-03-15 00:19:45,424 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1061675406] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 00:19:45,424 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 00:19:45,424 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-15 00:19:45,425 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [716881406] [2025-03-15 00:19:45,425 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 00:19:45,425 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-15 00:19:45,425 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 00:19:45,425 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-15 00:19:45,425 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-03-15 00:19:45,426 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 214 out of 267 [2025-03-15 00:19:45,427 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 268 places, 489 transitions, 6474 flow. Second operand has 5 states, 5 states have (on average 216.6) internal successors, (1083), 5 states have internal predecessors, (1083), 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 00:19:45,427 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 00:19:45,427 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 214 of 267 [2025-03-15 00:19:45,427 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 00:19:45,768 INFO L124 PetriNetUnfolderBase]: 751/1849 cut-off events. [2025-03-15 00:19:45,768 INFO L125 PetriNetUnfolderBase]: For 22442/22623 co-relation queries the response was YES. [2025-03-15 00:19:45,772 INFO L83 FinitePrefix]: Finished finitePrefix Result has 11340 conditions, 1849 events. 751/1849 cut-off events. For 22442/22623 co-relation queries the response was YES. Maximal size of possible extension queue 96. Compared 11438 event pairs, 60 based on Foata normal form. 12/1827 useless extension candidates. Maximal degree in co-relation 9756. Up to 937 conditions per place. [2025-03-15 00:19:45,782 INFO L140 encePairwiseOnDemand]: 260/267 looper letters, 87 selfloop transitions, 4 changer transitions 116/304 dead transitions. [2025-03-15 00:19:45,782 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 270 places, 304 transitions, 3102 flow [2025-03-15 00:19:45,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-03-15 00:19:45,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2025-03-15 00:19:45,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 1577 transitions. [2025-03-15 00:19:45,785 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.8437667201712146 [2025-03-15 00:19:45,785 INFO L298 CegarLoopForPetriNet]: 263 programPoint places, 7 predicate places. [2025-03-15 00:19:45,786 INFO L471 AbstractCegarLoop]: Abstraction has has 270 places, 304 transitions, 3102 flow [2025-03-15 00:19:45,786 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 216.6) internal successors, (1083), 5 states have internal predecessors, (1083), 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 00:19:45,786 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 00:19:45,786 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] [2025-03-15 00:19:45,786 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2025-03-15 00:19:45,786 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2025-03-15 00:19:45,787 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 00:19:45,787 INFO L85 PathProgramCache]: Analyzing trace with hash 814802006, now seen corresponding path program 1 times [2025-03-15 00:19:45,787 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 00:19:45,787 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [237509856] [2025-03-15 00:19:45,787 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-15 00:19:45,787 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 00:19:45,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-15 00:19:45,916 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 00:19:45,916 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 00:19:45,916 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [237509856] [2025-03-15 00:19:45,916 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [237509856] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 00:19:45,916 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 00:19:45,916 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-15 00:19:45,916 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1916546931] [2025-03-15 00:19:45,916 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 00:19:45,917 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-15 00:19:45,917 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 00:19:45,917 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-15 00:19:45,917 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-15 00:19:45,918 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 221 out of 267 [2025-03-15 00:19:45,918 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 270 places, 304 transitions, 3102 flow. Second operand has 3 states, 3 states have (on average 226.33333333333334) internal successors, (679), 3 states have internal predecessors, (679), 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 00:19:45,918 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 00:19:45,918 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 221 of 267 [2025-03-15 00:19:45,918 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 00:19:46,127 INFO L124 PetriNetUnfolderBase]: 746/1814 cut-off events. [2025-03-15 00:19:46,127 INFO L125 PetriNetUnfolderBase]: For 29278/29441 co-relation queries the response was YES. [2025-03-15 00:19:46,131 INFO L83 FinitePrefix]: Finished finitePrefix Result has 12092 conditions, 1814 events. 746/1814 cut-off events. For 29278/29441 co-relation queries the response was YES. Maximal size of possible extension queue 95. Compared 10982 event pairs, 60 based on Foata normal form. 0/1786 useless extension candidates. Maximal degree in co-relation 10495. Up to 932 conditions per place. [2025-03-15 00:19:46,136 INFO L140 encePairwiseOnDemand]: 265/267 looper letters, 0 selfloop transitions, 0 changer transitions 308/308 dead transitions. [2025-03-15 00:19:46,136 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 271 places, 308 transitions, 3392 flow [2025-03-15 00:19:46,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-15 00:19:46,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-15 00:19:46,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 691 transitions. [2025-03-15 00:19:46,138 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.8626716604244694 [2025-03-15 00:19:46,139 INFO L298 CegarLoopForPetriNet]: 263 programPoint places, 8 predicate places. [2025-03-15 00:19:46,139 INFO L471 AbstractCegarLoop]: Abstraction has has 271 places, 308 transitions, 3392 flow [2025-03-15 00:19:46,139 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 226.33333333333334) internal successors, (679), 3 states have internal predecessors, (679), 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 00:19:46,149 INFO L161 wickiGriesTestDumper]: Dumping Owicki-Gries test to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/race-2_5-container_of.i_petrified1_AllErrorsAtOnce [2025-03-15 00:19:46,182 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (26 of 27 remaining) [2025-03-15 00:19:46,182 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (25 of 27 remaining) [2025-03-15 00:19:46,182 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (24 of 27 remaining) [2025-03-15 00:19:46,182 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (23 of 27 remaining) [2025-03-15 00:19:46,182 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (22 of 27 remaining) [2025-03-15 00:19:46,183 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE (21 of 27 remaining) [2025-03-15 00:19:46,183 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (20 of 27 remaining) [2025-03-15 00:19:46,183 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (19 of 27 remaining) [2025-03-15 00:19:46,183 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (18 of 27 remaining) [2025-03-15 00:19:46,183 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (17 of 27 remaining) [2025-03-15 00:19:46,183 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (16 of 27 remaining) [2025-03-15 00:19:46,183 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE (15 of 27 remaining) [2025-03-15 00:19:46,183 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE (14 of 27 remaining) [2025-03-15 00:19:46,184 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (13 of 27 remaining) [2025-03-15 00:19:46,184 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE (12 of 27 remaining) [2025-03-15 00:19:46,184 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (11 of 27 remaining) [2025-03-15 00:19:46,184 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (10 of 27 remaining) [2025-03-15 00:19:46,184 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (9 of 27 remaining) [2025-03-15 00:19:46,184 INFO L782 garLoopResultBuilder]: Registering result SAFE for location my_callbackErr0ASSERT_VIOLATIONDATA_RACE (8 of 27 remaining) [2025-03-15 00:19:46,184 INFO L782 garLoopResultBuilder]: Registering result SAFE for location my_callbackErr1ASSERT_VIOLATIONDATA_RACE (7 of 27 remaining) [2025-03-15 00:19:46,184 INFO L782 garLoopResultBuilder]: Registering result SAFE for location my_callbackErr2ASSERT_VIOLATIONDATA_RACE (6 of 27 remaining) [2025-03-15 00:19:46,184 INFO L782 garLoopResultBuilder]: Registering result SAFE for location my_callbackErr0ASSERT_VIOLATIONDATA_RACE (5 of 27 remaining) [2025-03-15 00:19:46,184 INFO L782 garLoopResultBuilder]: Registering result SAFE for location my_callbackErr1ASSERT_VIOLATIONDATA_RACE (4 of 27 remaining) [2025-03-15 00:19:46,184 INFO L782 garLoopResultBuilder]: Registering result SAFE for location my_callbackErr2ASSERT_VIOLATIONDATA_RACE (3 of 27 remaining) [2025-03-15 00:19:46,184 INFO L782 garLoopResultBuilder]: Registering result SAFE for location my_callbackErr0ASSERT_VIOLATIONDATA_RACE (2 of 27 remaining) [2025-03-15 00:19:46,184 INFO L782 garLoopResultBuilder]: Registering result SAFE for location my_callbackErr1ASSERT_VIOLATIONDATA_RACE (1 of 27 remaining) [2025-03-15 00:19:46,184 INFO L782 garLoopResultBuilder]: Registering result SAFE for location my_callbackErr2ASSERT_VIOLATIONDATA_RACE (0 of 27 remaining) [2025-03-15 00:19:46,184 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2025-03-15 00:19:46,185 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-15 00:19:46,191 INFO L328 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2025-03-15 00:19:46,191 INFO L188 ceAbstractionStarter]: Computing trace abstraction results [2025-03-15 00:19:46,197 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.03 12:19:46 BasicIcfg [2025-03-15 00:19:46,198 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-03-15 00:19:46,198 INFO L158 Benchmark]: Toolchain (without parser) took 15307.15ms. Allocated memory was 71.3MB in the beginning and 826.3MB in the end (delta: 755.0MB). Free memory was 41.4MB in the beginning and 421.5MB in the end (delta: -380.1MB). Peak memory consumption was 375.0MB. Max. memory is 8.0GB. [2025-03-15 00:19:46,198 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 71.3MB. Free memory is still 33.4MB. There was no memory consumed. Max. memory is 8.0GB. [2025-03-15 00:19:46,198 INFO L158 Benchmark]: CACSL2BoogieTranslator took 499.41ms. Allocated memory is still 71.3MB. Free memory was 41.3MB in the beginning and 32.7MB in the end (delta: 8.6MB). Peak memory consumption was 31.0MB. Max. memory is 8.0GB. [2025-03-15 00:19:46,199 INFO L158 Benchmark]: Boogie Procedure Inliner took 60.27ms. Allocated memory is still 71.3MB. Free memory was 32.7MB in the beginning and 29.5MB in the end (delta: 3.1MB). There was no memory consumed. Max. memory is 8.0GB. [2025-03-15 00:19:46,200 INFO L158 Benchmark]: Boogie Preprocessor took 48.10ms. Allocated memory is still 71.3MB. Free memory was 29.5MB in the beginning and 25.8MB in the end (delta: 3.7MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. [2025-03-15 00:19:46,201 INFO L158 Benchmark]: RCFGBuilder took 738.12ms. Allocated memory was 71.3MB in the beginning and 88.1MB in the end (delta: 16.8MB). Free memory was 25.8MB in the beginning and 30.0MB in the end (delta: -4.2MB). Peak memory consumption was 16.2MB. Max. memory is 8.0GB. [2025-03-15 00:19:46,202 INFO L158 Benchmark]: TraceAbstraction took 13945.16ms. Allocated memory was 88.1MB in the beginning and 826.3MB in the end (delta: 738.2MB). Free memory was 29.0MB in the beginning and 421.5MB in the end (delta: -392.5MB). Peak memory consumption was 347.2MB. Max. memory is 8.0GB. [2025-03-15 00:19:46,203 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 71.3MB. Free memory is still 33.4MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 499.41ms. Allocated memory is still 71.3MB. Free memory was 41.3MB in the beginning and 32.7MB in the end (delta: 8.6MB). Peak memory consumption was 31.0MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 60.27ms. Allocated memory is still 71.3MB. Free memory was 32.7MB in the beginning and 29.5MB in the end (delta: 3.1MB). There was no memory consumed. Max. memory is 8.0GB. * Boogie Preprocessor took 48.10ms. Allocated memory is still 71.3MB. Free memory was 29.5MB in the beginning and 25.8MB in the end (delta: 3.7MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. * RCFGBuilder took 738.12ms. Allocated memory was 71.3MB in the beginning and 88.1MB in the end (delta: 16.8MB). Free memory was 25.8MB in the beginning and 30.0MB in the end (delta: -4.2MB). Peak memory consumption was 16.2MB. Max. memory is 8.0GB. * TraceAbstraction took 13945.16ms. Allocated memory was 88.1MB in the beginning and 826.3MB in the end (delta: 738.2MB). Free memory was 29.0MB in the beginning and 421.5MB in the end (delta: -392.5MB). Peak memory consumption was 347.2MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 3923]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 3924]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 3929]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 3938]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 3930]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 3973]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 3941]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 3944]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 3947]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 3950]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 3952]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 3974]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 3975]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 3969]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 3976]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 3970]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 3907]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 3910]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 3913]: 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 4 procedures, 280 locations, 27 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: 13.8s, OverallIterations: 11, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 10.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 201 SdHoareTripleChecker+Valid, 2.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 201 mSDsluCounter, 365 SdHoareTripleChecker+Invalid, 1.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 23 mSDsCounter, 67 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1954 IncrementalHoareTripleChecker+Invalid, 2021 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 67 mSolverCounterUnsat, 342 mSDtfsCounter, 1954 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 55 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=6474occurred in iteration=9, InterpolantAutomatonStates: 55, 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, 0.2s SatisfiabilityAnalysisTime, 2.8s InterpolantComputationTime, 749 NumberOfCodeBlocks, 749 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 738 ConstructedInterpolants, 0 QuantifiedInterpolants, 1294 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 11 InterpolantComputations, 11 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 19 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2025-03-15 00:19:46,223 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...