./Ultimate.py --spec ../sv-benchmarks/c/properties/no-data-race.prp --file ../sv-benchmarks/c/pthread-ext/37_stack_lock_p0_vs_concur-race.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version f8ab0bd5 Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/pthread-ext/37_stack_lock_p0_vs_concur-race.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash d76df1bfaca9781352b9c7afbe4683f5e649e880008edad8122f422eebb0dbe8 --- Real Ultimate output --- This is Ultimate 0.3.0-?-f8ab0bd-m [2025-03-13 22:00:39,505 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-13 22:00:39,562 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2025-03-13 22:00:39,568 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-13 22:00:39,568 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-13 22:00:39,592 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-13 22:00:39,593 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-13 22:00:39,593 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-13 22:00:39,594 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-13 22:00:39,594 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-13 22:00:39,594 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-13 22:00:39,595 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-13 22:00:39,595 INFO L153 SettingsManager]: * Use SBE=true [2025-03-13 22:00:39,596 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-13 22:00:39,596 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-13 22:00:39,596 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-13 22:00:39,596 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-13 22:00:39,596 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-13 22:00:39,596 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-13 22:00:39,596 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-13 22:00:39,597 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-13 22:00:39,597 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-13 22:00:39,597 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2025-03-13 22:00:39,597 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-03-13 22:00:39,597 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-13 22:00:39,597 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-13 22:00:39,597 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-13 22:00:39,597 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-13 22:00:39,597 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-13 22:00:39,597 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-13 22:00:39,597 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-13 22:00:39,597 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-13 22:00:39,597 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-13 22:00:39,597 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-13 22:00:39,598 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-13 22:00:39,598 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-13 22:00:39,598 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-13 22:00:39,598 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-13 22:00:39,598 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-13 22:00:39,598 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-13 22:00:39,598 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-13 22:00:39,598 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-13 22:00:39,598 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d76df1bfaca9781352b9c7afbe4683f5e649e880008edad8122f422eebb0dbe8 [2025-03-13 22:00:39,819 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-13 22:00:39,828 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-13 22:00:39,830 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-13 22:00:39,831 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-13 22:00:39,831 INFO L274 PluginConnector]: CDTParser initialized [2025-03-13 22:00:39,832 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-ext/37_stack_lock_p0_vs_concur-race.i [2025-03-13 22:00:40,964 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/821d2b55c/56ff7d164428432fbb7778d22cc15dff/FLAG49efff4b4 [2025-03-13 22:00:41,249 INFO L384 CDTParser]: Found 1 translation units. [2025-03-13 22:00:41,251 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-ext/37_stack_lock_p0_vs_concur-race.i [2025-03-13 22:00:41,260 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/821d2b55c/56ff7d164428432fbb7778d22cc15dff/FLAG49efff4b4 [2025-03-13 22:00:41,533 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/821d2b55c/56ff7d164428432fbb7778d22cc15dff [2025-03-13 22:00:41,535 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-13 22:00:41,536 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-13 22:00:41,538 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-13 22:00:41,538 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-13 22:00:41,541 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-13 22:00:41,541 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.03 10:00:41" (1/1) ... [2025-03-13 22:00:41,542 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2ae89304 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.03 10:00:41, skipping insertion in model container [2025-03-13 22:00:41,542 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.03 10:00:41" (1/1) ... [2025-03-13 22:00:41,568 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-13 22:00:41,836 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-13 22:00:41,849 INFO L200 MainTranslator]: Completed pre-run [2025-03-13 22:00:41,880 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-13 22:00:41,914 INFO L204 MainTranslator]: Completed translation [2025-03-13 22:00:41,915 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.03 10:00:41 WrapperNode [2025-03-13 22:00:41,915 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-13 22:00:41,916 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-13 22:00:41,916 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-13 22:00:41,916 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-13 22:00:41,920 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.03 10:00:41" (1/1) ... [2025-03-13 22:00:41,932 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.03 10:00:41" (1/1) ... [2025-03-13 22:00:41,958 INFO L138 Inliner]: procedures = 165, calls = 28, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 195 [2025-03-13 22:00:41,959 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-13 22:00:41,959 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-13 22:00:41,959 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-13 22:00:41,959 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-13 22:00:41,966 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.03 10:00:41" (1/1) ... [2025-03-13 22:00:41,966 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.03 10:00:41" (1/1) ... [2025-03-13 22:00:41,969 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.03 10:00:41" (1/1) ... [2025-03-13 22:00:41,970 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.03 10:00:41" (1/1) ... [2025-03-13 22:00:41,980 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.03 10:00:41" (1/1) ... [2025-03-13 22:00:41,986 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.03 10:00:41" (1/1) ... [2025-03-13 22:00:41,991 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.03 10:00:41" (1/1) ... [2025-03-13 22:00:41,991 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.03 10:00:41" (1/1) ... [2025-03-13 22:00:41,993 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-13 22:00:41,997 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-13 22:00:41,997 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-13 22:00:41,997 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-13 22:00:41,998 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.03 10:00:41" (1/1) ... [2025-03-13 22:00:42,002 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-13 22:00:42,013 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-13 22:00:42,027 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-03-13 22:00:42,030 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-03-13 22:00:42,045 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2025-03-13 22:00:42,046 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2025-03-13 22:00:42,046 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2025-03-13 22:00:42,046 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2025-03-13 22:00:42,046 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2025-03-13 22:00:42,046 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-13 22:00:42,046 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-03-13 22:00:42,046 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-03-13 22:00:42,046 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2025-03-13 22:00:42,046 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2025-03-13 22:00:42,046 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-13 22:00:42,046 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-13 22:00:42,047 WARN L225 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2025-03-13 22:00:42,129 INFO L256 CfgBuilder]: Building ICFG [2025-03-13 22:00:42,131 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-13 22:00:42,430 INFO L303 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-03-13 22:00:42,431 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-13 22:00:42,431 INFO L318 CfgBuilder]: Performing block encoding [2025-03-13 22:00:42,514 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-13 22:00:42,516 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 13.03 10:00:42 BoogieIcfgContainer [2025-03-13 22:00:42,517 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-13 22:00:42,518 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-13 22:00:42,519 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-13 22:00:42,522 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-13 22:00:42,523 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.03 10:00:41" (1/3) ... [2025-03-13 22:00:42,524 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@746c4cf3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.03 10:00:42, skipping insertion in model container [2025-03-13 22:00:42,524 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.03 10:00:41" (2/3) ... [2025-03-13 22:00:42,525 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@746c4cf3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.03 10:00:42, skipping insertion in model container [2025-03-13 22:00:42,525 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 13.03 10:00:42" (3/3) ... [2025-03-13 22:00:42,527 INFO L128 eAbstractionObserver]: Analyzing ICFG 37_stack_lock_p0_vs_concur-race.i [2025-03-13 22:00:42,538 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-13 22:00:42,539 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG 37_stack_lock_p0_vs_concur-race.i that has 2 procedures, 190 locations, 1 initial locations, 2 loop locations, and 15 error locations. [2025-03-13 22:00:42,540 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-03-13 22:00:42,619 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2025-03-13 22:00:42,657 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 193 places, 195 transitions, 394 flow [2025-03-13 22:00:42,714 INFO L124 PetriNetUnfolderBase]: 5/202 cut-off events. [2025-03-13 22:00:42,716 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-03-13 22:00:42,720 INFO L83 FinitePrefix]: Finished finitePrefix Result has 206 conditions, 202 events. 5/202 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 149 event pairs, 0 based on Foata normal form. 0/180 useless extension candidates. Maximal degree in co-relation 110. Up to 3 conditions per place. [2025-03-13 22:00:42,720 INFO L82 GeneralOperation]: Start removeDead. Operand has 193 places, 195 transitions, 394 flow [2025-03-13 22:00:42,727 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 193 places, 195 transitions, 394 flow [2025-03-13 22:00:42,733 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-13 22:00:42,743 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=LoopHeads, 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;@689157e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-13 22:00:42,743 INFO L334 AbstractCegarLoop]: Starting to check reachability of 31 error locations. [2025-03-13 22:00:42,765 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2025-03-13 22:00:42,766 INFO L124 PetriNetUnfolderBase]: 0/107 cut-off events. [2025-03-13 22:00:42,766 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-03-13 22:00:42,766 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-13 22:00:42,766 INFO L206 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-13 22:00:42,767 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [thr1Err14ASSERT_VIOLATIONDATA_RACE, thr1Err9ASSERT_VIOLATIONDATA_RACE, thr1Err13ASSERT_VIOLATIONDATA_RACE, thr1Err12ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2025-03-13 22:00:42,771 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-13 22:00:42,771 INFO L85 PathProgramCache]: Analyzing trace with hash 798368526, now seen corresponding path program 1 times [2025-03-13 22:00:42,776 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-13 22:00:42,777 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2137654179] [2025-03-13 22:00:42,777 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-13 22:00:42,778 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-13 22:00:42,848 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 93 statements into 1 equivalence classes. [2025-03-13 22:00:42,903 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 93 of 93 statements. [2025-03-13 22:00:42,903 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-13 22:00:42,903 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-13 22:00:42,904 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-13 22:00:42,911 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 93 statements into 1 equivalence classes. [2025-03-13 22:00:42,956 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 93 of 93 statements. [2025-03-13 22:00:42,958 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-13 22:00:42,958 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-13 22:00:42,989 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-03-13 22:00:42,991 INFO L340 BasicCegarLoop]: Counterexample is feasible [2025-03-13 22:00:42,992 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (30 of 31 remaining) [2025-03-13 22:00:42,993 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err14ASSERT_VIOLATIONDATA_RACE (29 of 31 remaining) [2025-03-13 22:00:42,994 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONDATA_RACE (28 of 31 remaining) [2025-03-13 22:00:42,994 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err13ASSERT_VIOLATIONDATA_RACE (27 of 31 remaining) [2025-03-13 22:00:42,994 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err12ASSERT_VIOLATIONDATA_RACE (26 of 31 remaining) [2025-03-13 22:00:42,994 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err11ASSERT_VIOLATIONDATA_RACE (25 of 31 remaining) [2025-03-13 22:00:42,995 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONDATA_RACE (24 of 31 remaining) [2025-03-13 22:00:42,995 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONDATA_RACE (23 of 31 remaining) [2025-03-13 22:00:42,995 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONDATA_RACE (22 of 31 remaining) [2025-03-13 22:00:42,995 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (21 of 31 remaining) [2025-03-13 22:00:42,995 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (20 of 31 remaining) [2025-03-13 22:00:42,995 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (19 of 31 remaining) [2025-03-13 22:00:42,995 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (18 of 31 remaining) [2025-03-13 22:00:42,996 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (17 of 31 remaining) [2025-03-13 22:00:42,996 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (16 of 31 remaining) [2025-03-13 22:00:42,996 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (15 of 31 remaining) [2025-03-13 22:00:42,997 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err14ASSERT_VIOLATIONDATA_RACE (14 of 31 remaining) [2025-03-13 22:00:42,997 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONDATA_RACE (13 of 31 remaining) [2025-03-13 22:00:42,997 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err13ASSERT_VIOLATIONDATA_RACE (12 of 31 remaining) [2025-03-13 22:00:42,997 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err12ASSERT_VIOLATIONDATA_RACE (11 of 31 remaining) [2025-03-13 22:00:42,997 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err11ASSERT_VIOLATIONDATA_RACE (10 of 31 remaining) [2025-03-13 22:00:42,997 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONDATA_RACE (9 of 31 remaining) [2025-03-13 22:00:42,997 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONDATA_RACE (8 of 31 remaining) [2025-03-13 22:00:42,997 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONDATA_RACE (7 of 31 remaining) [2025-03-13 22:00:42,997 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (6 of 31 remaining) [2025-03-13 22:00:42,998 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (5 of 31 remaining) [2025-03-13 22:00:42,998 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (4 of 31 remaining) [2025-03-13 22:00:42,998 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (3 of 31 remaining) [2025-03-13 22:00:42,999 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (2 of 31 remaining) [2025-03-13 22:00:42,999 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (1 of 31 remaining) [2025-03-13 22:00:42,999 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (0 of 31 remaining) [2025-03-13 22:00:42,999 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-03-13 22:00:43,000 INFO L422 BasicCegarLoop]: Path program histogram: [1] [2025-03-13 22:00:43,003 WARN L246 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2025-03-13 22:00:43,003 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2025-03-13 22:00:43,059 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2025-03-13 22:00:43,065 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 292 places, 297 transitions, 604 flow [2025-03-13 22:00:43,163 INFO L124 PetriNetUnfolderBase]: 10/313 cut-off events. [2025-03-13 22:00:43,163 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2025-03-13 22:00:43,165 INFO L83 FinitePrefix]: Finished finitePrefix Result has 321 conditions, 313 events. 10/313 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 597 event pairs, 0 based on Foata normal form. 0/270 useless extension candidates. Maximal degree in co-relation 211. Up to 3 conditions per place. [2025-03-13 22:00:43,165 INFO L82 GeneralOperation]: Start removeDead. Operand has 292 places, 297 transitions, 604 flow [2025-03-13 22:00:43,170 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 292 places, 297 transitions, 604 flow [2025-03-13 22:00:43,171 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-13 22:00:43,174 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=LoopHeads, 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;@689157e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-13 22:00:43,174 INFO L334 AbstractCegarLoop]: Starting to check reachability of 46 error locations. [2025-03-13 22:00:43,188 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2025-03-13 22:00:43,188 INFO L124 PetriNetUnfolderBase]: 0/116 cut-off events. [2025-03-13 22:00:43,188 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2025-03-13 22:00:43,188 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-13 22:00:43,188 INFO L206 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] [2025-03-13 22:00:43,189 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting thr1Err14ASSERT_VIOLATIONDATA_RACE === [thr1Err14ASSERT_VIOLATIONDATA_RACE, thr1Err9ASSERT_VIOLATIONDATA_RACE, thr1Err13ASSERT_VIOLATIONDATA_RACE, thr1Err12ASSERT_VIOLATIONDATA_RACE (and 42 more)] === [2025-03-13 22:00:43,190 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-13 22:00:43,190 INFO L85 PathProgramCache]: Analyzing trace with hash -1425414953, now seen corresponding path program 1 times [2025-03-13 22:00:43,190 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-13 22:00:43,190 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1757931163] [2025-03-13 22:00:43,190 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-13 22:00:43,190 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-13 22:00:43,216 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 95 statements into 1 equivalence classes. [2025-03-13 22:00:43,250 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 95 of 95 statements. [2025-03-13 22:00:43,251 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-13 22:00:43,251 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-13 22:00:43,329 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-13 22:00:43,329 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-13 22:00:43,330 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1757931163] [2025-03-13 22:00:43,331 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1757931163] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-13 22:00:43,334 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-13 22:00:43,335 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2025-03-13 22:00:43,335 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1778215948] [2025-03-13 22:00:43,335 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-13 22:00:43,340 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-03-13 22:00:43,343 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-13 22:00:43,361 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-03-13 22:00:43,362 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-13 22:00:43,365 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 266 out of 297 [2025-03-13 22:00:43,367 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 292 places, 297 transitions, 604 flow. Second operand has 2 states, 2 states have (on average 267.0) internal successors, (534), 2 states have internal predecessors, (534), 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) [2025-03-13 22:00:43,368 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-13 22:00:43,368 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 266 of 297 [2025-03-13 22:00:43,370 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-13 22:00:43,495 INFO L124 PetriNetUnfolderBase]: 22/567 cut-off events. [2025-03-13 22:00:43,496 INFO L125 PetriNetUnfolderBase]: For 17/17 co-relation queries the response was YES. [2025-03-13 22:00:43,502 INFO L83 FinitePrefix]: Finished finitePrefix Result has 617 conditions, 567 events. 22/567 cut-off events. For 17/17 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 1961 event pairs, 12 based on Foata normal form. 52/554 useless extension candidates. Maximal degree in co-relation 185. Up to 33 conditions per place. [2025-03-13 22:00:43,505 INFO L140 encePairwiseOnDemand]: 276/297 looper letters, 8 selfloop transitions, 0 changer transitions 0/265 dead transitions. [2025-03-13 22:00:43,506 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 267 places, 265 transitions, 556 flow [2025-03-13 22:00:43,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-13 22:00:43,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2025-03-13 22:00:43,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 561 transitions. [2025-03-13 22:00:43,522 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9444444444444444 [2025-03-13 22:00:43,525 INFO L175 Difference]: Start difference. First operand has 292 places, 297 transitions, 604 flow. Second operand 2 states and 561 transitions. [2025-03-13 22:00:43,526 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 267 places, 265 transitions, 556 flow [2025-03-13 22:00:43,531 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 267 places, 265 transitions, 556 flow, removed 0 selfloop flow, removed 0 redundant places. [2025-03-13 22:00:43,554 INFO L231 Difference]: Finished difference. Result has 267 places, 265 transitions, 540 flow [2025-03-13 22:00:43,558 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=297, PETRI_DIFFERENCE_MINUEND_FLOW=540, PETRI_DIFFERENCE_MINUEND_PLACES=266, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=265, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=265, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=540, PETRI_PLACES=267, PETRI_TRANSITIONS=265} [2025-03-13 22:00:43,562 INFO L279 CegarLoopForPetriNet]: 292 programPoint places, -25 predicate places. [2025-03-13 22:00:43,563 INFO L471 AbstractCegarLoop]: Abstraction has has 267 places, 265 transitions, 540 flow [2025-03-13 22:00:43,564 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 267.0) internal successors, (534), 2 states have internal predecessors, (534), 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) [2025-03-13 22:00:43,564 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-13 22:00:43,564 INFO L206 CegarLoopForPetriNet]: trace histogram [3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-13 22:00:43,564 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-03-13 22:00:43,565 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [thr1Err14ASSERT_VIOLATIONDATA_RACE, thr1Err9ASSERT_VIOLATIONDATA_RACE, thr1Err13ASSERT_VIOLATIONDATA_RACE, thr1Err12ASSERT_VIOLATIONDATA_RACE (and 42 more)] === [2025-03-13 22:00:43,565 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-13 22:00:43,566 INFO L85 PathProgramCache]: Analyzing trace with hash -1075156270, now seen corresponding path program 1 times [2025-03-13 22:00:43,566 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-13 22:00:43,567 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2080600334] [2025-03-13 22:00:43,567 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-13 22:00:43,567 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-13 22:00:43,593 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 99 statements into 1 equivalence classes. [2025-03-13 22:00:43,620 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 99 of 99 statements. [2025-03-13 22:00:43,621 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-13 22:00:43,621 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-13 22:00:43,621 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-13 22:00:43,626 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 99 statements into 1 equivalence classes. [2025-03-13 22:00:43,639 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 99 of 99 statements. [2025-03-13 22:00:43,639 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-13 22:00:43,639 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-13 22:00:43,649 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-03-13 22:00:43,652 INFO L340 BasicCegarLoop]: Counterexample is feasible [2025-03-13 22:00:43,653 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (45 of 46 remaining) [2025-03-13 22:00:43,653 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err14ASSERT_VIOLATIONDATA_RACE (44 of 46 remaining) [2025-03-13 22:00:43,653 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONDATA_RACE (43 of 46 remaining) [2025-03-13 22:00:43,653 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err13ASSERT_VIOLATIONDATA_RACE (42 of 46 remaining) [2025-03-13 22:00:43,653 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err12ASSERT_VIOLATIONDATA_RACE (41 of 46 remaining) [2025-03-13 22:00:43,653 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err11ASSERT_VIOLATIONDATA_RACE (40 of 46 remaining) [2025-03-13 22:00:43,653 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONDATA_RACE (39 of 46 remaining) [2025-03-13 22:00:43,653 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONDATA_RACE (38 of 46 remaining) [2025-03-13 22:00:43,653 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONDATA_RACE (37 of 46 remaining) [2025-03-13 22:00:43,653 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (36 of 46 remaining) [2025-03-13 22:00:43,653 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (35 of 46 remaining) [2025-03-13 22:00:43,653 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (34 of 46 remaining) [2025-03-13 22:00:43,653 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (33 of 46 remaining) [2025-03-13 22:00:43,654 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (32 of 46 remaining) [2025-03-13 22:00:43,654 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (31 of 46 remaining) [2025-03-13 22:00:43,654 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (30 of 46 remaining) [2025-03-13 22:00:43,654 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err14ASSERT_VIOLATIONDATA_RACE (29 of 46 remaining) [2025-03-13 22:00:43,654 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONDATA_RACE (28 of 46 remaining) [2025-03-13 22:00:43,654 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err13ASSERT_VIOLATIONDATA_RACE (27 of 46 remaining) [2025-03-13 22:00:43,655 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err12ASSERT_VIOLATIONDATA_RACE (26 of 46 remaining) [2025-03-13 22:00:43,655 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err11ASSERT_VIOLATIONDATA_RACE (25 of 46 remaining) [2025-03-13 22:00:43,655 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONDATA_RACE (24 of 46 remaining) [2025-03-13 22:00:43,655 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONDATA_RACE (23 of 46 remaining) [2025-03-13 22:00:43,655 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONDATA_RACE (22 of 46 remaining) [2025-03-13 22:00:43,655 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (21 of 46 remaining) [2025-03-13 22:00:43,655 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (20 of 46 remaining) [2025-03-13 22:00:43,655 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (19 of 46 remaining) [2025-03-13 22:00:43,656 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (18 of 46 remaining) [2025-03-13 22:00:43,657 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (17 of 46 remaining) [2025-03-13 22:00:43,657 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (16 of 46 remaining) [2025-03-13 22:00:43,657 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (15 of 46 remaining) [2025-03-13 22:00:43,657 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err14ASSERT_VIOLATIONDATA_RACE (14 of 46 remaining) [2025-03-13 22:00:43,657 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONDATA_RACE (13 of 46 remaining) [2025-03-13 22:00:43,657 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err13ASSERT_VIOLATIONDATA_RACE (12 of 46 remaining) [2025-03-13 22:00:43,657 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err12ASSERT_VIOLATIONDATA_RACE (11 of 46 remaining) [2025-03-13 22:00:43,657 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err11ASSERT_VIOLATIONDATA_RACE (10 of 46 remaining) [2025-03-13 22:00:43,657 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONDATA_RACE (9 of 46 remaining) [2025-03-13 22:00:43,657 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONDATA_RACE (8 of 46 remaining) [2025-03-13 22:00:43,657 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONDATA_RACE (7 of 46 remaining) [2025-03-13 22:00:43,657 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (6 of 46 remaining) [2025-03-13 22:00:43,657 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (5 of 46 remaining) [2025-03-13 22:00:43,657 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (4 of 46 remaining) [2025-03-13 22:00:43,657 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (3 of 46 remaining) [2025-03-13 22:00:43,657 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (2 of 46 remaining) [2025-03-13 22:00:43,657 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (1 of 46 remaining) [2025-03-13 22:00:43,657 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (0 of 46 remaining) [2025-03-13 22:00:43,657 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-03-13 22:00:43,657 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1] [2025-03-13 22:00:43,658 WARN L246 ceAbstractionStarter]: 2 thread instances were not sufficient, I will increase this number and restart the analysis [2025-03-13 22:00:43,658 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 3 thread instances. [2025-03-13 22:00:43,719 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2025-03-13 22:00:43,725 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 391 places, 399 transitions, 816 flow [2025-03-13 22:00:43,797 INFO L124 PetriNetUnfolderBase]: 15/424 cut-off events. [2025-03-13 22:00:43,798 INFO L125 PetriNetUnfolderBase]: For 7/7 co-relation queries the response was YES. [2025-03-13 22:00:43,802 INFO L83 FinitePrefix]: Finished finitePrefix Result has 437 conditions, 424 events. 15/424 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 1193 event pairs, 0 based on Foata normal form. 0/360 useless extension candidates. Maximal degree in co-relation 317. Up to 4 conditions per place. [2025-03-13 22:00:43,802 INFO L82 GeneralOperation]: Start removeDead. Operand has 391 places, 399 transitions, 816 flow [2025-03-13 22:00:43,806 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 391 places, 399 transitions, 816 flow [2025-03-13 22:00:43,808 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-13 22:00:43,808 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=LoopHeads, 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;@689157e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-13 22:00:43,808 INFO L334 AbstractCegarLoop]: Starting to check reachability of 61 error locations. [2025-03-13 22:00:43,815 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2025-03-13 22:00:43,815 INFO L124 PetriNetUnfolderBase]: 0/116 cut-off events. [2025-03-13 22:00:43,815 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2025-03-13 22:00:43,816 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-13 22:00:43,816 INFO L206 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] [2025-03-13 22:00:43,816 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting thr1Err14ASSERT_VIOLATIONDATA_RACE === [thr1Err14ASSERT_VIOLATIONDATA_RACE, thr1Err9ASSERT_VIOLATIONDATA_RACE, thr1Err13ASSERT_VIOLATIONDATA_RACE, thr1Err12ASSERT_VIOLATIONDATA_RACE (and 57 more)] === [2025-03-13 22:00:43,817 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-13 22:00:43,817 INFO L85 PathProgramCache]: Analyzing trace with hash 549963179, now seen corresponding path program 1 times [2025-03-13 22:00:43,817 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-13 22:00:43,817 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [574481007] [2025-03-13 22:00:43,817 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-13 22:00:43,817 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-13 22:00:43,841 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 95 statements into 1 equivalence classes. [2025-03-13 22:00:43,856 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 95 of 95 statements. [2025-03-13 22:00:43,856 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-13 22:00:43,856 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-13 22:00:43,915 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-13 22:00:43,915 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-13 22:00:43,915 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [574481007] [2025-03-13 22:00:43,915 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [574481007] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-13 22:00:43,915 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-13 22:00:43,915 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2025-03-13 22:00:43,916 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1326270609] [2025-03-13 22:00:43,916 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-13 22:00:43,916 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-03-13 22:00:43,916 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-13 22:00:43,917 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-03-13 22:00:43,917 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-13 22:00:43,921 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 353 out of 399 [2025-03-13 22:00:43,922 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 391 places, 399 transitions, 816 flow. Second operand has 2 states, 2 states have (on average 354.0) internal successors, (708), 2 states have internal predecessors, (708), 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) [2025-03-13 22:00:43,922 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-13 22:00:43,922 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 353 of 399 [2025-03-13 22:00:43,922 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-13 22:00:44,355 INFO L124 PetriNetUnfolderBase]: 150/2163 cut-off events. [2025-03-13 22:00:44,355 INFO L125 PetriNetUnfolderBase]: For 157/157 co-relation queries the response was YES. [2025-03-13 22:00:44,373 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2438 conditions, 2163 events. 150/2163 cut-off events. For 157/157 co-relation queries the response was YES. Maximal size of possible extension queue 41. Compared 15603 event pairs, 108 based on Foata normal form. 281/2160 useless extension candidates. Maximal degree in co-relation 609. Up to 193 conditions per place. [2025-03-13 22:00:44,386 INFO L140 encePairwiseOnDemand]: 368/399 looper letters, 12 selfloop transitions, 0 changer transitions 0/353 dead transitions. [2025-03-13 22:00:44,387 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 355 places, 353 transitions, 748 flow [2025-03-13 22:00:44,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-13 22:00:44,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2025-03-13 22:00:44,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 749 transitions. [2025-03-13 22:00:44,391 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9385964912280702 [2025-03-13 22:00:44,391 INFO L175 Difference]: Start difference. First operand has 391 places, 399 transitions, 816 flow. Second operand 2 states and 749 transitions. [2025-03-13 22:00:44,391 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 355 places, 353 transitions, 748 flow [2025-03-13 22:00:44,394 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 355 places, 353 transitions, 746 flow, removed 1 selfloop flow, removed 0 redundant places. [2025-03-13 22:00:44,399 INFO L231 Difference]: Finished difference. Result has 355 places, 353 transitions, 722 flow [2025-03-13 22:00:44,400 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=399, PETRI_DIFFERENCE_MINUEND_FLOW=722, PETRI_DIFFERENCE_MINUEND_PLACES=354, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=353, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=353, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=722, PETRI_PLACES=355, PETRI_TRANSITIONS=353} [2025-03-13 22:00:44,401 INFO L279 CegarLoopForPetriNet]: 391 programPoint places, -36 predicate places. [2025-03-13 22:00:44,403 INFO L471 AbstractCegarLoop]: Abstraction has has 355 places, 353 transitions, 722 flow [2025-03-13 22:00:44,403 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 354.0) internal successors, (708), 2 states have internal predecessors, (708), 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) [2025-03-13 22:00:44,404 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-13 22:00:44,404 INFO L206 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] [2025-03-13 22:00:44,404 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-03-13 22:00:44,404 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting thr1Err8ASSERT_VIOLATIONDATA_RACE === [thr1Err14ASSERT_VIOLATIONDATA_RACE, thr1Err9ASSERT_VIOLATIONDATA_RACE, thr1Err13ASSERT_VIOLATIONDATA_RACE, thr1Err12ASSERT_VIOLATIONDATA_RACE (and 57 more)] === [2025-03-13 22:00:44,405 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-13 22:00:44,405 INFO L85 PathProgramCache]: Analyzing trace with hash -669540811, now seen corresponding path program 1 times [2025-03-13 22:00:44,405 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-13 22:00:44,405 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [49214853] [2025-03-13 22:00:44,405 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-13 22:00:44,405 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-13 22:00:44,428 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 101 statements into 1 equivalence classes. [2025-03-13 22:00:44,461 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 101 of 101 statements. [2025-03-13 22:00:44,461 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-13 22:00:44,461 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-13 22:00:45,057 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-13 22:00:45,057 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-13 22:00:45,057 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [49214853] [2025-03-13 22:00:45,057 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [49214853] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-13 22:00:45,057 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-13 22:00:45,057 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-13 22:00:45,057 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1269843954] [2025-03-13 22:00:45,057 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-13 22:00:45,057 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-13 22:00:45,058 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-13 22:00:45,058 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-13 22:00:45,059 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2025-03-13 22:00:45,581 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 325 out of 399 [2025-03-13 22:00:45,583 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 355 places, 353 transitions, 722 flow. Second operand has 6 states, 6 states have (on average 326.5) internal successors, (1959), 6 states have internal predecessors, (1959), 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) [2025-03-13 22:00:45,583 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-13 22:00:45,583 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 325 of 399 [2025-03-13 22:00:45,583 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-13 22:00:47,871 INFO L124 PetriNetUnfolderBase]: 2536/18112 cut-off events. [2025-03-13 22:00:47,872 INFO L125 PetriNetUnfolderBase]: For 784/784 co-relation queries the response was YES. [2025-03-13 22:00:47,951 INFO L83 FinitePrefix]: Finished finitePrefix Result has 22441 conditions, 18112 events. 2536/18112 cut-off events. For 784/784 co-relation queries the response was YES. Maximal size of possible extension queue 385. Compared 232889 event pairs, 432 based on Foata normal form. 0/15722 useless extension candidates. Maximal degree in co-relation 22435. Up to 2142 conditions per place. [2025-03-13 22:00:48,029 INFO L140 encePairwiseOnDemand]: 372/399 looper letters, 74 selfloop transitions, 29 changer transitions 0/416 dead transitions. [2025-03-13 22:00:48,029 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 360 places, 416 transitions, 1094 flow [2025-03-13 22:00:48,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-13 22:00:48,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2025-03-13 22:00:48,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2057 transitions. [2025-03-13 22:00:48,033 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8592314118629908 [2025-03-13 22:00:48,034 INFO L175 Difference]: Start difference. First operand has 355 places, 353 transitions, 722 flow. Second operand 6 states and 2057 transitions. [2025-03-13 22:00:48,034 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 360 places, 416 transitions, 1094 flow [2025-03-13 22:00:48,036 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 360 places, 416 transitions, 1094 flow, removed 0 selfloop flow, removed 0 redundant places. [2025-03-13 22:00:48,042 INFO L231 Difference]: Finished difference. Result has 365 places, 381 transitions, 946 flow [2025-03-13 22:00:48,043 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=399, PETRI_DIFFERENCE_MINUEND_FLOW=722, PETRI_DIFFERENCE_MINUEND_PLACES=355, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=353, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=330, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=946, PETRI_PLACES=365, PETRI_TRANSITIONS=381} [2025-03-13 22:00:48,044 INFO L279 CegarLoopForPetriNet]: 391 programPoint places, -26 predicate places. [2025-03-13 22:00:48,044 INFO L471 AbstractCegarLoop]: Abstraction has has 365 places, 381 transitions, 946 flow [2025-03-13 22:00:48,045 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 326.5) internal successors, (1959), 6 states have internal predecessors, (1959), 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) [2025-03-13 22:00:48,045 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-13 22:00:48,045 INFO L206 CegarLoopForPetriNet]: trace histogram [4, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-13 22:00:48,045 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-03-13 22:00:48,045 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [thr1Err14ASSERT_VIOLATIONDATA_RACE, thr1Err9ASSERT_VIOLATIONDATA_RACE, thr1Err13ASSERT_VIOLATIONDATA_RACE, thr1Err12ASSERT_VIOLATIONDATA_RACE (and 57 more)] === [2025-03-13 22:00:48,046 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-13 22:00:48,046 INFO L85 PathProgramCache]: Analyzing trace with hash -1069069881, now seen corresponding path program 1 times [2025-03-13 22:00:48,046 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-13 22:00:48,046 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [253707255] [2025-03-13 22:00:48,046 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-13 22:00:48,047 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-13 22:00:48,066 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 105 statements into 1 equivalence classes. [2025-03-13 22:00:48,089 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 105 of 105 statements. [2025-03-13 22:00:48,089 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-13 22:00:48,089 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-13 22:00:48,089 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-13 22:00:48,093 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 105 statements into 1 equivalence classes. [2025-03-13 22:00:48,112 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 105 of 105 statements. [2025-03-13 22:00:48,112 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-13 22:00:48,112 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-13 22:00:48,128 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-03-13 22:00:48,128 INFO L340 BasicCegarLoop]: Counterexample is feasible [2025-03-13 22:00:48,128 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (60 of 61 remaining) [2025-03-13 22:00:48,129 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err14ASSERT_VIOLATIONDATA_RACE (59 of 61 remaining) [2025-03-13 22:00:48,129 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONDATA_RACE (58 of 61 remaining) [2025-03-13 22:00:48,129 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err13ASSERT_VIOLATIONDATA_RACE (57 of 61 remaining) [2025-03-13 22:00:48,129 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err12ASSERT_VIOLATIONDATA_RACE (56 of 61 remaining) [2025-03-13 22:00:48,129 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err11ASSERT_VIOLATIONDATA_RACE (55 of 61 remaining) [2025-03-13 22:00:48,129 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONDATA_RACE (54 of 61 remaining) [2025-03-13 22:00:48,129 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONDATA_RACE (53 of 61 remaining) [2025-03-13 22:00:48,129 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONDATA_RACE (52 of 61 remaining) [2025-03-13 22:00:48,129 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (51 of 61 remaining) [2025-03-13 22:00:48,129 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (50 of 61 remaining) [2025-03-13 22:00:48,129 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (49 of 61 remaining) [2025-03-13 22:00:48,129 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (48 of 61 remaining) [2025-03-13 22:00:48,130 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (47 of 61 remaining) [2025-03-13 22:00:48,130 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (46 of 61 remaining) [2025-03-13 22:00:48,130 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (45 of 61 remaining) [2025-03-13 22:00:48,130 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err14ASSERT_VIOLATIONDATA_RACE (44 of 61 remaining) [2025-03-13 22:00:48,130 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONDATA_RACE (43 of 61 remaining) [2025-03-13 22:00:48,130 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err13ASSERT_VIOLATIONDATA_RACE (42 of 61 remaining) [2025-03-13 22:00:48,130 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err12ASSERT_VIOLATIONDATA_RACE (41 of 61 remaining) [2025-03-13 22:00:48,130 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err11ASSERT_VIOLATIONDATA_RACE (40 of 61 remaining) [2025-03-13 22:00:48,130 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONDATA_RACE (39 of 61 remaining) [2025-03-13 22:00:48,130 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONDATA_RACE (38 of 61 remaining) [2025-03-13 22:00:48,130 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONDATA_RACE (37 of 61 remaining) [2025-03-13 22:00:48,130 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (36 of 61 remaining) [2025-03-13 22:00:48,130 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (35 of 61 remaining) [2025-03-13 22:00:48,131 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (34 of 61 remaining) [2025-03-13 22:00:48,131 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (33 of 61 remaining) [2025-03-13 22:00:48,131 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (32 of 61 remaining) [2025-03-13 22:00:48,131 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (31 of 61 remaining) [2025-03-13 22:00:48,131 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (30 of 61 remaining) [2025-03-13 22:00:48,131 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err14ASSERT_VIOLATIONDATA_RACE (29 of 61 remaining) [2025-03-13 22:00:48,131 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONDATA_RACE (28 of 61 remaining) [2025-03-13 22:00:48,131 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err13ASSERT_VIOLATIONDATA_RACE (27 of 61 remaining) [2025-03-13 22:00:48,131 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err12ASSERT_VIOLATIONDATA_RACE (26 of 61 remaining) [2025-03-13 22:00:48,131 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err11ASSERT_VIOLATIONDATA_RACE (25 of 61 remaining) [2025-03-13 22:00:48,131 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONDATA_RACE (24 of 61 remaining) [2025-03-13 22:00:48,131 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONDATA_RACE (23 of 61 remaining) [2025-03-13 22:00:48,131 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONDATA_RACE (22 of 61 remaining) [2025-03-13 22:00:48,131 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (21 of 61 remaining) [2025-03-13 22:00:48,132 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (20 of 61 remaining) [2025-03-13 22:00:48,132 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (19 of 61 remaining) [2025-03-13 22:00:48,132 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (18 of 61 remaining) [2025-03-13 22:00:48,132 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (17 of 61 remaining) [2025-03-13 22:00:48,132 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (16 of 61 remaining) [2025-03-13 22:00:48,132 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (15 of 61 remaining) [2025-03-13 22:00:48,132 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err14ASSERT_VIOLATIONDATA_RACE (14 of 61 remaining) [2025-03-13 22:00:48,132 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONDATA_RACE (13 of 61 remaining) [2025-03-13 22:00:48,132 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err13ASSERT_VIOLATIONDATA_RACE (12 of 61 remaining) [2025-03-13 22:00:48,132 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err12ASSERT_VIOLATIONDATA_RACE (11 of 61 remaining) [2025-03-13 22:00:48,132 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err11ASSERT_VIOLATIONDATA_RACE (10 of 61 remaining) [2025-03-13 22:00:48,132 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONDATA_RACE (9 of 61 remaining) [2025-03-13 22:00:48,133 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONDATA_RACE (8 of 61 remaining) [2025-03-13 22:00:48,133 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONDATA_RACE (7 of 61 remaining) [2025-03-13 22:00:48,133 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (6 of 61 remaining) [2025-03-13 22:00:48,133 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (5 of 61 remaining) [2025-03-13 22:00:48,133 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (4 of 61 remaining) [2025-03-13 22:00:48,133 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (3 of 61 remaining) [2025-03-13 22:00:48,133 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (2 of 61 remaining) [2025-03-13 22:00:48,133 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (1 of 61 remaining) [2025-03-13 22:00:48,133 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (0 of 61 remaining) [2025-03-13 22:00:48,133 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2025-03-13 22:00:48,133 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2025-03-13 22:00:48,134 WARN L246 ceAbstractionStarter]: 3 thread instances were not sufficient, I will increase this number and restart the analysis [2025-03-13 22:00:48,134 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 4 thread instances. [2025-03-13 22:00:48,201 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2025-03-13 22:00:48,206 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 490 places, 501 transitions, 1030 flow [2025-03-13 22:00:48,282 INFO L124 PetriNetUnfolderBase]: 20/535 cut-off events. [2025-03-13 22:00:48,282 INFO L125 PetriNetUnfolderBase]: For 16/16 co-relation queries the response was YES. [2025-03-13 22:00:48,290 INFO L83 FinitePrefix]: Finished finitePrefix Result has 554 conditions, 535 events. 20/535 cut-off events. For 16/16 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 1878 event pairs, 0 based on Foata normal form. 0/450 useless extension candidates. Maximal degree in co-relation 432. Up to 5 conditions per place. [2025-03-13 22:00:48,290 INFO L82 GeneralOperation]: Start removeDead. Operand has 490 places, 501 transitions, 1030 flow [2025-03-13 22:00:48,296 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 490 places, 501 transitions, 1030 flow [2025-03-13 22:00:48,297 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-13 22:00:48,297 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=LoopHeads, 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;@689157e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-13 22:00:48,297 INFO L334 AbstractCegarLoop]: Starting to check reachability of 76 error locations. [2025-03-13 22:00:48,303 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2025-03-13 22:00:48,303 INFO L124 PetriNetUnfolderBase]: 0/113 cut-off events. [2025-03-13 22:00:48,304 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2025-03-13 22:00:48,304 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-13 22:00:48,304 INFO L206 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] [2025-03-13 22:00:48,304 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting thr1Err14ASSERT_VIOLATIONDATA_RACE === [thr1Err14ASSERT_VIOLATIONDATA_RACE, thr1Err9ASSERT_VIOLATIONDATA_RACE, thr1Err13ASSERT_VIOLATIONDATA_RACE, thr1Err12ASSERT_VIOLATIONDATA_RACE (and 72 more)] === [2025-03-13 22:00:48,304 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-13 22:00:48,304 INFO L85 PathProgramCache]: Analyzing trace with hash -2063390171, now seen corresponding path program 1 times [2025-03-13 22:00:48,304 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-13 22:00:48,305 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2078429087] [2025-03-13 22:00:48,305 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-13 22:00:48,305 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-13 22:00:48,323 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 95 statements into 1 equivalence classes. [2025-03-13 22:00:48,329 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 95 of 95 statements. [2025-03-13 22:00:48,329 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-13 22:00:48,329 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-13 22:00:48,346 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-13 22:00:48,346 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-13 22:00:48,346 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2078429087] [2025-03-13 22:00:48,346 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2078429087] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-13 22:00:48,347 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-13 22:00:48,347 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2025-03-13 22:00:48,347 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [562161862] [2025-03-13 22:00:48,347 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-13 22:00:48,347 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-03-13 22:00:48,347 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-13 22:00:48,348 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-03-13 22:00:48,348 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-13 22:00:48,349 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 440 out of 501 [2025-03-13 22:00:48,349 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 490 places, 501 transitions, 1030 flow. Second operand has 2 states, 2 states have (on average 441.0) internal successors, (882), 2 states have internal predecessors, (882), 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) [2025-03-13 22:00:48,350 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-13 22:00:48,350 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 440 of 501 [2025-03-13 22:00:48,350 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-13 22:00:49,758 INFO L124 PetriNetUnfolderBase]: 854/8739 cut-off events. [2025-03-13 22:00:49,758 INFO L125 PetriNetUnfolderBase]: For 1133/1133 co-relation queries the response was YES. [2025-03-13 22:00:49,819 INFO L83 FinitePrefix]: Finished finitePrefix Result has 10167 conditions, 8739 events. 854/8739 cut-off events. For 1133/1133 co-relation queries the response was YES. Maximal size of possible extension queue 157. Compared 93181 event pairs, 684 based on Foata normal form. 1451/9025 useless extension candidates. Maximal degree in co-relation 2417. Up to 1025 conditions per place. [2025-03-13 22:00:49,848 INFO L140 encePairwiseOnDemand]: 460/501 looper letters, 16 selfloop transitions, 0 changer transitions 0/441 dead transitions. [2025-03-13 22:00:49,848 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 443 places, 441 transitions, 942 flow [2025-03-13 22:00:49,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-13 22:00:49,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2025-03-13 22:00:49,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 937 transitions. [2025-03-13 22:00:49,850 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.935129740518962 [2025-03-13 22:00:49,850 INFO L175 Difference]: Start difference. First operand has 490 places, 501 transitions, 1030 flow. Second operand 2 states and 937 transitions. [2025-03-13 22:00:49,850 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 443 places, 441 transitions, 942 flow [2025-03-13 22:00:49,853 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 443 places, 441 transitions, 936 flow, removed 3 selfloop flow, removed 0 redundant places. [2025-03-13 22:00:49,856 INFO L231 Difference]: Finished difference. Result has 443 places, 441 transitions, 904 flow [2025-03-13 22:00:49,856 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=501, PETRI_DIFFERENCE_MINUEND_FLOW=904, PETRI_DIFFERENCE_MINUEND_PLACES=442, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=441, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=441, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=904, PETRI_PLACES=443, PETRI_TRANSITIONS=441} [2025-03-13 22:00:49,857 INFO L279 CegarLoopForPetriNet]: 490 programPoint places, -47 predicate places. [2025-03-13 22:00:49,857 INFO L471 AbstractCegarLoop]: Abstraction has has 443 places, 441 transitions, 904 flow [2025-03-13 22:00:49,858 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 441.0) internal successors, (882), 2 states have internal predecessors, (882), 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) [2025-03-13 22:00:49,858 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-13 22:00:49,858 INFO L206 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] [2025-03-13 22:00:49,858 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2025-03-13 22:00:49,858 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting thr1Err8ASSERT_VIOLATIONDATA_RACE === [thr1Err14ASSERT_VIOLATIONDATA_RACE, thr1Err9ASSERT_VIOLATIONDATA_RACE, thr1Err13ASSERT_VIOLATIONDATA_RACE, thr1Err12ASSERT_VIOLATIONDATA_RACE (and 72 more)] === [2025-03-13 22:00:49,858 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-13 22:00:49,858 INFO L85 PathProgramCache]: Analyzing trace with hash 779333871, now seen corresponding path program 1 times [2025-03-13 22:00:49,859 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-13 22:00:49,859 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1215743454] [2025-03-13 22:00:49,859 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-13 22:00:49,859 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-13 22:00:49,875 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 101 statements into 1 equivalence classes. [2025-03-13 22:00:49,885 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 101 of 101 statements. [2025-03-13 22:00:49,885 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-13 22:00:49,885 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-13 22:00:50,186 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-13 22:00:50,187 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-13 22:00:50,187 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1215743454] [2025-03-13 22:00:50,187 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1215743454] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-13 22:00:50,187 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-13 22:00:50,187 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-13 22:00:50,187 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1647564958] [2025-03-13 22:00:50,187 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-13 22:00:50,188 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-13 22:00:50,188 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-13 22:00:50,188 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-13 22:00:50,188 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2025-03-13 22:00:50,786 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 412 out of 501 [2025-03-13 22:00:50,788 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 443 places, 441 transitions, 904 flow. Second operand has 6 states, 6 states have (on average 413.5) internal successors, (2481), 6 states have internal predecessors, (2481), 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) [2025-03-13 22:00:50,788 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-13 22:00:50,788 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 412 of 501 [2025-03-13 22:00:50,788 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-13 22:01:03,709 INFO L124 PetriNetUnfolderBase]: 16072/85008 cut-off events. [2025-03-13 22:01:03,709 INFO L125 PetriNetUnfolderBase]: For 4105/4105 co-relation queries the response was YES. [2025-03-13 22:01:04,779 INFO L83 FinitePrefix]: Finished finitePrefix Result has 109292 conditions, 85008 events. 16072/85008 cut-off events. For 4105/4105 co-relation queries the response was YES. Maximal size of possible extension queue 1662. Compared 1316057 event pairs, 3109 based on Foata normal form. 0/74533 useless extension candidates. Maximal degree in co-relation 109285. Up to 13298 conditions per place. [2025-03-13 22:01:05,338 INFO L140 encePairwiseOnDemand]: 473/501 looper letters, 90 selfloop transitions, 33 changer transitions 0/520 dead transitions. [2025-03-13 22:01:05,338 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 448 places, 520 transitions, 1368 flow [2025-03-13 22:01:05,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-13 22:01:05,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2025-03-13 22:01:05,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2599 transitions. [2025-03-13 22:01:05,342 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.864604125083167 [2025-03-13 22:01:05,342 INFO L175 Difference]: Start difference. First operand has 443 places, 441 transitions, 904 flow. Second operand 6 states and 2599 transitions. [2025-03-13 22:01:05,342 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 448 places, 520 transitions, 1368 flow [2025-03-13 22:01:05,347 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 448 places, 520 transitions, 1368 flow, removed 0 selfloop flow, removed 0 redundant places. [2025-03-13 22:01:05,351 INFO L231 Difference]: Finished difference. Result has 453 places, 473 transitions, 1154 flow [2025-03-13 22:01:05,351 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=501, PETRI_DIFFERENCE_MINUEND_FLOW=904, PETRI_DIFFERENCE_MINUEND_PLACES=443, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=441, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=417, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1154, PETRI_PLACES=453, PETRI_TRANSITIONS=473} [2025-03-13 22:01:05,352 INFO L279 CegarLoopForPetriNet]: 490 programPoint places, -37 predicate places. [2025-03-13 22:01:05,352 INFO L471 AbstractCegarLoop]: Abstraction has has 453 places, 473 transitions, 1154 flow [2025-03-13 22:01:05,353 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 413.5) internal successors, (2481), 6 states have internal predecessors, (2481), 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) [2025-03-13 22:01:05,353 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-13 22:01:05,353 INFO L206 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-13 22:01:05,354 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2025-03-13 22:01:05,354 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting thr1Err8ASSERT_VIOLATIONDATA_RACE === [thr1Err14ASSERT_VIOLATIONDATA_RACE, thr1Err9ASSERT_VIOLATIONDATA_RACE, thr1Err13ASSERT_VIOLATIONDATA_RACE, thr1Err12ASSERT_VIOLATIONDATA_RACE (and 72 more)] === [2025-03-13 22:01:05,354 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-13 22:01:05,354 INFO L85 PathProgramCache]: Analyzing trace with hash 365205482, now seen corresponding path program 1 times [2025-03-13 22:01:05,354 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-13 22:01:05,354 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [737450744] [2025-03-13 22:01:05,354 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-13 22:01:05,354 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-13 22:01:05,370 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 107 statements into 1 equivalence classes. [2025-03-13 22:01:05,381 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 107 of 107 statements. [2025-03-13 22:01:05,381 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-13 22:01:05,381 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-13 22:01:05,717 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-13 22:01:05,718 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-13 22:01:05,718 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [737450744] [2025-03-13 22:01:05,718 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [737450744] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-13 22:01:05,718 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-13 22:01:05,718 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-13 22:01:05,718 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [871281302] [2025-03-13 22:01:05,718 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-13 22:01:05,719 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-13 22:01:05,719 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-13 22:01:05,719 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-13 22:01:05,719 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2025-03-13 22:01:06,281 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 412 out of 501 [2025-03-13 22:01:06,283 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 453 places, 473 transitions, 1154 flow. Second operand has 6 states, 6 states have (on average 413.6666666666667) internal successors, (2482), 6 states have internal predecessors, (2482), 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) [2025-03-13 22:01:06,283 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-13 22:01:06,283 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 412 of 501 [2025-03-13 22:01:06,283 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-13 22:01:15,721 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([1794] L700-3-->L701-8: Formula: (let ((.cse5 (+ 2 |v_thr1Thread4of4ForFork0_push_~#newTop~0#1.offset_11|)) (.cse6 (+ 3 |v_thr1Thread4of4ForFork0_push_~#newTop~0#1.offset_11|)) (.cse9 (select |v_#race_181| |v_thr1Thread4of4ForFork0_push_~#newTop~0#1.base_11|)) (.cse4 (+ |v_thr1Thread4of4ForFork0_push_~#newTop~0#1.offset_11| 1))) (let ((.cse1 (select .cse9 .cse4)) (.cse2 (select |v_#memory_int_134| |v_thr1Thread4of4ForFork0_push_~#newTop~0#1.base_11|)) (.cse8 (select .cse9 |v_thr1Thread4of4ForFork0_push_~#newTop~0#1.offset_11|)) (.cse7 (select .cse9 .cse6)) (.cse0 (select .cse9 .cse5)) (.cse3 (select |v_#race_182| |v_thr1Thread4of4ForFork0_push_~#newTop~0#1.base_11|))) (or (and (= v_~next_alloc_idx~0_109 v_~next_alloc_idx~0_110) (= |v_thr1___VERIFIER_atomic_index_malloc_#t~nondet1#1_114| .cse0) (= |v_thr1___VERIFIER_atomic_index_malloc_#t~nondet1#1_114| .cse1) (= 0 |v_#race~next_alloc_idx~0_133|) (< 64 v_~next_alloc_idx~0_110) (= |v_#memory_int_133| (store |v_#memory_int_134| |v_thr1Thread4of4ForFork0_push_~#newTop~0#1.base_11| (store .cse2 |v_thr1Thread4of4ForFork0_push_~#newTop~0#1.offset_11| 0))) (= |v_thr1___VERIFIER_atomic_index_malloc_#t~nondet3#1_118| |v_thr1___VERIFIER_atomic_index_malloc_#t~nondet3#1_117|) (= (store |v_#race_182| |v_thr1Thread4of4ForFork0_push_~#newTop~0#1.base_11| (store (store (store (store .cse3 |v_thr1Thread4of4ForFork0_push_~#newTop~0#1.offset_11| |v_thr1___VERIFIER_atomic_index_malloc_#t~nondet1#1_114|) .cse4 |v_thr1___VERIFIER_atomic_index_malloc_#t~nondet1#1_114|) .cse5 |v_thr1___VERIFIER_atomic_index_malloc_#t~nondet1#1_114|) .cse6 |v_thr1___VERIFIER_atomic_index_malloc_#t~nondet1#1_114|)) |v_#race_181|) (= |v_thr1___VERIFIER_atomic_index_malloc_#t~nondet2#1_143| |v_thr1___VERIFIER_atomic_index_malloc_#t~nondet2#1_142|) (= |v_thr1___VERIFIER_atomic_index_malloc_#t~nondet1#1_114| .cse7) (= |v_thr1___VERIFIER_atomic_index_malloc_#t~nondet1#1_114| .cse8)) (and (= |v_thr1___VERIFIER_atomic_index_malloc_#t~nondet1#1_115| |v_thr1___VERIFIER_atomic_index_malloc_#t~nondet1#1_114|) (= v_~next_alloc_idx~0_109 (+ 2 v_~next_alloc_idx~0_110)) (<= v_~next_alloc_idx~0_110 64) (= |v_thr1___VERIFIER_atomic_index_malloc_#t~nondet2#1_142| .cse1) (= (store |v_#memory_int_134| |v_thr1Thread4of4ForFork0_push_~#newTop~0#1.base_11| (store .cse2 |v_thr1Thread4of4ForFork0_push_~#newTop~0#1.offset_11| v_~next_alloc_idx~0_110)) |v_#memory_int_133|) (= |v_thr1___VERIFIER_atomic_index_malloc_#t~nondet2#1_142| .cse8) (= |v_thr1___VERIFIER_atomic_index_malloc_#t~nondet2#1_142| .cse7) (= |v_thr1___VERIFIER_atomic_index_malloc_#t~nondet2#1_142| .cse0) (= |v_thr1___VERIFIER_atomic_index_malloc_#t~nondet3#1_117| |v_#race~next_alloc_idx~0_133|) (= (store |v_#race_182| |v_thr1Thread4of4ForFork0_push_~#newTop~0#1.base_11| (store (store (store (store .cse3 |v_thr1Thread4of4ForFork0_push_~#newTop~0#1.offset_11| |v_thr1___VERIFIER_atomic_index_malloc_#t~nondet2#1_142|) .cse4 |v_thr1___VERIFIER_atomic_index_malloc_#t~nondet2#1_142|) .cse5 |v_thr1___VERIFIER_atomic_index_malloc_#t~nondet2#1_142|) .cse6 |v_thr1___VERIFIER_atomic_index_malloc_#t~nondet2#1_142|)) |v_#race_181|))))) InVars {#race=|v_#race_182|, thr1Thread4of4ForFork0_push_~#newTop~0#1.offset=|v_thr1Thread4of4ForFork0_push_~#newTop~0#1.offset_11|, #memory_int=|v_#memory_int_134|, ~next_alloc_idx~0=v_~next_alloc_idx~0_110, thr1Thread4of4ForFork0_push_~#newTop~0#1.base=|v_thr1Thread4of4ForFork0_push_~#newTop~0#1.base_11|} OutVars{#race=|v_#race_181|, thr1Thread4of4ForFork0_push_~#newTop~0#1.offset=|v_thr1Thread4of4ForFork0_push_~#newTop~0#1.offset_11|, thr1Thread4of4ForFork0___VERIFIER_atomic_index_malloc_#t~nondet3#1=|v_thr1Thread4of4ForFork0___VERIFIER_atomic_index_malloc_#t~nondet3#1_13|, thr1Thread4of4ForFork0___VERIFIER_atomic_index_malloc_#t~nondet1#1=|v_thr1Thread4of4ForFork0___VERIFIER_atomic_index_malloc_#t~nondet1#1_13|, thr1Thread4of4ForFork0___VERIFIER_atomic_index_malloc_~curr_alloc_idx#1.offset=|v_thr1Thread4of4ForFork0___VERIFIER_atomic_index_malloc_~curr_alloc_idx#1.offset_13|, ~next_alloc_idx~0=v_~next_alloc_idx~0_109, thr1Thread4of4ForFork0___VERIFIER_atomic_index_malloc_#in~curr_alloc_idx#1.offset=|v_thr1Thread4of4ForFork0___VERIFIER_atomic_index_malloc_#in~curr_alloc_idx#1.offset_13|, thr1Thread4of4ForFork0___VERIFIER_atomic_index_malloc_#in~curr_alloc_idx#1.base=|v_thr1Thread4of4ForFork0___VERIFIER_atomic_index_malloc_#in~curr_alloc_idx#1.base_13|, thr1Thread4of4ForFork0___VERIFIER_atomic_index_malloc_#t~nondet2#1=|v_thr1Thread4of4ForFork0___VERIFIER_atomic_index_malloc_#t~nondet2#1_13|, thr1Thread4of4ForFork0_push_~#newTop~0#1.base=|v_thr1Thread4of4ForFork0_push_~#newTop~0#1.base_11|, #memory_int=|v_#memory_int_133|, #race~next_alloc_idx~0=|v_#race~next_alloc_idx~0_133|, thr1Thread4of4ForFork0___VERIFIER_atomic_index_malloc_~curr_alloc_idx#1.base=|v_thr1Thread4of4ForFork0___VERIFIER_atomic_index_malloc_~curr_alloc_idx#1.base_13|} AuxVars[|v_thr1___VERIFIER_atomic_index_malloc_#t~nondet1#1_115|, |v_thr1___VERIFIER_atomic_index_malloc_#t~nondet3#1_118|, |v_thr1___VERIFIER_atomic_index_malloc_#t~nondet3#1_117|, |v_thr1___VERIFIER_atomic_index_malloc_#t~nondet2#1_142|, |v_thr1___VERIFIER_atomic_index_malloc_#t~nondet2#1_143|, |v_thr1___VERIFIER_atomic_index_malloc_#t~nondet1#1_114|] AssignedVars[#race, thr1Thread4of4ForFork0___VERIFIER_atomic_index_malloc_#in~curr_alloc_idx#1.base, thr1Thread4of4ForFork0___VERIFIER_atomic_index_malloc_#t~nondet2#1, thr1Thread4of4ForFork0___VERIFIER_atomic_index_malloc_#t~nondet3#1, thr1Thread4of4ForFork0___VERIFIER_atomic_index_malloc_#t~nondet1#1, thr1Thread4of4ForFork0___VERIFIER_atomic_index_malloc_~curr_alloc_idx#1.offset, ~next_alloc_idx~0, thr1Thread4of4ForFork0___VERIFIER_atomic_index_malloc_#in~curr_alloc_idx#1.offset, #memory_int, #race~next_alloc_idx~0, thr1Thread4of4ForFork0___VERIFIER_atomic_index_malloc_~curr_alloc_idx#1.base][194], [493#true, 485#true, 32#thr1Err8ASSERT_VIOLATIONDATA_RACEtrue, 107#L701-8true, 491#true, 438#L701-8true, 136#push_returnLabel#1true, 487#true, 489#true, 506#true, Black: 497#(= (select (select |#race| |thr1Thread1of4ForFork0_push_~#newTop~0#1.base|) |thr1Thread1of4ForFork0_push_~#newTop~0#1.offset|) 0), Black: 500#(and (= (select (select |#race| |thr1Thread1of4ForFork0_push_~#newTop~0#1.base|) (+ |thr1Thread1of4ForFork0_push_~#newTop~0#1.offset| 1)) 0) (= (select (select |#race| |thr1Thread1of4ForFork0_push_~#newTop~0#1.base|) |thr1Thread1of4ForFork0_push_~#newTop~0#1.offset|) 0) (= (select (select |#race| |thr1Thread1of4ForFork0_push_~#newTop~0#1.base|) (+ |thr1Thread1of4ForFork0_push_~#newTop~0#1.offset| 3)) 0) (= (select (select |#race| |thr1Thread1of4ForFork0_push_~#newTop~0#1.base|) (+ |thr1Thread1of4ForFork0_push_~#newTop~0#1.offset| 2)) 0)), 495#true, Black: 498#(and (= (select (select |#race| |thr1Thread1of4ForFork0_push_~#newTop~0#1.base|) (+ |thr1Thread1of4ForFork0_push_~#newTop~0#1.offset| 1)) 0) (= (select (select |#race| |thr1Thread1of4ForFork0_push_~#newTop~0#1.base|) |thr1Thread1of4ForFork0_push_~#newTop~0#1.offset|) 0)), Black: 499#(and (= (select (select |#race| |thr1Thread1of4ForFork0_push_~#newTop~0#1.base|) (+ |thr1Thread1of4ForFork0_push_~#newTop~0#1.offset| 1)) 0) (= (select (select |#race| |thr1Thread1of4ForFork0_push_~#newTop~0#1.base|) |thr1Thread1of4ForFork0_push_~#newTop~0#1.offset|) 0) (= (select (select |#race| |thr1Thread1of4ForFork0_push_~#newTop~0#1.base|) (+ |thr1Thread1of4ForFork0_push_~#newTop~0#1.offset| 2)) 0)), 256#L719-2true]) [2025-03-13 22:01:15,721 INFO L294 olderBase$Statistics]: this new event has 187 ancestors and is cut-off event [2025-03-13 22:01:15,721 INFO L297 olderBase$Statistics]: existing Event has 159 ancestors and is cut-off event [2025-03-13 22:01:15,721 INFO L297 olderBase$Statistics]: existing Event has 159 ancestors and is cut-off event [2025-03-13 22:01:15,721 INFO L297 olderBase$Statistics]: existing Event has 187 ancestors and is cut-off event [2025-03-13 22:01:19,934 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([1794] L700-3-->L701-8: Formula: (let ((.cse5 (+ 2 |v_thr1Thread4of4ForFork0_push_~#newTop~0#1.offset_11|)) (.cse6 (+ 3 |v_thr1Thread4of4ForFork0_push_~#newTop~0#1.offset_11|)) (.cse9 (select |v_#race_181| |v_thr1Thread4of4ForFork0_push_~#newTop~0#1.base_11|)) (.cse4 (+ |v_thr1Thread4of4ForFork0_push_~#newTop~0#1.offset_11| 1))) (let ((.cse1 (select .cse9 .cse4)) (.cse2 (select |v_#memory_int_134| |v_thr1Thread4of4ForFork0_push_~#newTop~0#1.base_11|)) (.cse8 (select .cse9 |v_thr1Thread4of4ForFork0_push_~#newTop~0#1.offset_11|)) (.cse7 (select .cse9 .cse6)) (.cse0 (select .cse9 .cse5)) (.cse3 (select |v_#race_182| |v_thr1Thread4of4ForFork0_push_~#newTop~0#1.base_11|))) (or (and (= v_~next_alloc_idx~0_109 v_~next_alloc_idx~0_110) (= |v_thr1___VERIFIER_atomic_index_malloc_#t~nondet1#1_114| .cse0) (= |v_thr1___VERIFIER_atomic_index_malloc_#t~nondet1#1_114| .cse1) (= 0 |v_#race~next_alloc_idx~0_133|) (< 64 v_~next_alloc_idx~0_110) (= |v_#memory_int_133| (store |v_#memory_int_134| |v_thr1Thread4of4ForFork0_push_~#newTop~0#1.base_11| (store .cse2 |v_thr1Thread4of4ForFork0_push_~#newTop~0#1.offset_11| 0))) (= |v_thr1___VERIFIER_atomic_index_malloc_#t~nondet3#1_118| |v_thr1___VERIFIER_atomic_index_malloc_#t~nondet3#1_117|) (= (store |v_#race_182| |v_thr1Thread4of4ForFork0_push_~#newTop~0#1.base_11| (store (store (store (store .cse3 |v_thr1Thread4of4ForFork0_push_~#newTop~0#1.offset_11| |v_thr1___VERIFIER_atomic_index_malloc_#t~nondet1#1_114|) .cse4 |v_thr1___VERIFIER_atomic_index_malloc_#t~nondet1#1_114|) .cse5 |v_thr1___VERIFIER_atomic_index_malloc_#t~nondet1#1_114|) .cse6 |v_thr1___VERIFIER_atomic_index_malloc_#t~nondet1#1_114|)) |v_#race_181|) (= |v_thr1___VERIFIER_atomic_index_malloc_#t~nondet2#1_143| |v_thr1___VERIFIER_atomic_index_malloc_#t~nondet2#1_142|) (= |v_thr1___VERIFIER_atomic_index_malloc_#t~nondet1#1_114| .cse7) (= |v_thr1___VERIFIER_atomic_index_malloc_#t~nondet1#1_114| .cse8)) (and (= |v_thr1___VERIFIER_atomic_index_malloc_#t~nondet1#1_115| |v_thr1___VERIFIER_atomic_index_malloc_#t~nondet1#1_114|) (= v_~next_alloc_idx~0_109 (+ 2 v_~next_alloc_idx~0_110)) (<= v_~next_alloc_idx~0_110 64) (= |v_thr1___VERIFIER_atomic_index_malloc_#t~nondet2#1_142| .cse1) (= (store |v_#memory_int_134| |v_thr1Thread4of4ForFork0_push_~#newTop~0#1.base_11| (store .cse2 |v_thr1Thread4of4ForFork0_push_~#newTop~0#1.offset_11| v_~next_alloc_idx~0_110)) |v_#memory_int_133|) (= |v_thr1___VERIFIER_atomic_index_malloc_#t~nondet2#1_142| .cse8) (= |v_thr1___VERIFIER_atomic_index_malloc_#t~nondet2#1_142| .cse7) (= |v_thr1___VERIFIER_atomic_index_malloc_#t~nondet2#1_142| .cse0) (= |v_thr1___VERIFIER_atomic_index_malloc_#t~nondet3#1_117| |v_#race~next_alloc_idx~0_133|) (= (store |v_#race_182| |v_thr1Thread4of4ForFork0_push_~#newTop~0#1.base_11| (store (store (store (store .cse3 |v_thr1Thread4of4ForFork0_push_~#newTop~0#1.offset_11| |v_thr1___VERIFIER_atomic_index_malloc_#t~nondet2#1_142|) .cse4 |v_thr1___VERIFIER_atomic_index_malloc_#t~nondet2#1_142|) .cse5 |v_thr1___VERIFIER_atomic_index_malloc_#t~nondet2#1_142|) .cse6 |v_thr1___VERIFIER_atomic_index_malloc_#t~nondet2#1_142|)) |v_#race_181|))))) InVars {#race=|v_#race_182|, thr1Thread4of4ForFork0_push_~#newTop~0#1.offset=|v_thr1Thread4of4ForFork0_push_~#newTop~0#1.offset_11|, #memory_int=|v_#memory_int_134|, ~next_alloc_idx~0=v_~next_alloc_idx~0_110, thr1Thread4of4ForFork0_push_~#newTop~0#1.base=|v_thr1Thread4of4ForFork0_push_~#newTop~0#1.base_11|} OutVars{#race=|v_#race_181|, thr1Thread4of4ForFork0_push_~#newTop~0#1.offset=|v_thr1Thread4of4ForFork0_push_~#newTop~0#1.offset_11|, thr1Thread4of4ForFork0___VERIFIER_atomic_index_malloc_#t~nondet3#1=|v_thr1Thread4of4ForFork0___VERIFIER_atomic_index_malloc_#t~nondet3#1_13|, thr1Thread4of4ForFork0___VERIFIER_atomic_index_malloc_#t~nondet1#1=|v_thr1Thread4of4ForFork0___VERIFIER_atomic_index_malloc_#t~nondet1#1_13|, thr1Thread4of4ForFork0___VERIFIER_atomic_index_malloc_~curr_alloc_idx#1.offset=|v_thr1Thread4of4ForFork0___VERIFIER_atomic_index_malloc_~curr_alloc_idx#1.offset_13|, ~next_alloc_idx~0=v_~next_alloc_idx~0_109, thr1Thread4of4ForFork0___VERIFIER_atomic_index_malloc_#in~curr_alloc_idx#1.offset=|v_thr1Thread4of4ForFork0___VERIFIER_atomic_index_malloc_#in~curr_alloc_idx#1.offset_13|, thr1Thread4of4ForFork0___VERIFIER_atomic_index_malloc_#in~curr_alloc_idx#1.base=|v_thr1Thread4of4ForFork0___VERIFIER_atomic_index_malloc_#in~curr_alloc_idx#1.base_13|, thr1Thread4of4ForFork0___VERIFIER_atomic_index_malloc_#t~nondet2#1=|v_thr1Thread4of4ForFork0___VERIFIER_atomic_index_malloc_#t~nondet2#1_13|, thr1Thread4of4ForFork0_push_~#newTop~0#1.base=|v_thr1Thread4of4ForFork0_push_~#newTop~0#1.base_11|, #memory_int=|v_#memory_int_133|, #race~next_alloc_idx~0=|v_#race~next_alloc_idx~0_133|, thr1Thread4of4ForFork0___VERIFIER_atomic_index_malloc_~curr_alloc_idx#1.base=|v_thr1Thread4of4ForFork0___VERIFIER_atomic_index_malloc_~curr_alloc_idx#1.base_13|} AuxVars[|v_thr1___VERIFIER_atomic_index_malloc_#t~nondet1#1_115|, |v_thr1___VERIFIER_atomic_index_malloc_#t~nondet3#1_118|, |v_thr1___VERIFIER_atomic_index_malloc_#t~nondet3#1_117|, |v_thr1___VERIFIER_atomic_index_malloc_#t~nondet2#1_142|, |v_thr1___VERIFIER_atomic_index_malloc_#t~nondet2#1_143|, |v_thr1___VERIFIER_atomic_index_malloc_#t~nondet1#1_114|] AssignedVars[#race, thr1Thread4of4ForFork0___VERIFIER_atomic_index_malloc_#in~curr_alloc_idx#1.base, thr1Thread4of4ForFork0___VERIFIER_atomic_index_malloc_#t~nondet2#1, thr1Thread4of4ForFork0___VERIFIER_atomic_index_malloc_#t~nondet3#1, thr1Thread4of4ForFork0___VERIFIER_atomic_index_malloc_#t~nondet1#1, thr1Thread4of4ForFork0___VERIFIER_atomic_index_malloc_~curr_alloc_idx#1.offset, ~next_alloc_idx~0, thr1Thread4of4ForFork0___VERIFIER_atomic_index_malloc_#in~curr_alloc_idx#1.offset, #memory_int, #race~next_alloc_idx~0, thr1Thread4of4ForFork0___VERIFIER_atomic_index_malloc_~curr_alloc_idx#1.base][293], [493#true, 485#true, 32#thr1Err8ASSERT_VIOLATIONDATA_RACEtrue, 107#L701-8true, 491#true, 438#L701-8true, 100#L704-6true, 487#true, 489#true, 506#true, Black: 497#(= (select (select |#race| |thr1Thread1of4ForFork0_push_~#newTop~0#1.base|) |thr1Thread1of4ForFork0_push_~#newTop~0#1.offset|) 0), 495#true, Black: 500#(and (= (select (select |#race| |thr1Thread1of4ForFork0_push_~#newTop~0#1.base|) (+ |thr1Thread1of4ForFork0_push_~#newTop~0#1.offset| 1)) 0) (= (select (select |#race| |thr1Thread1of4ForFork0_push_~#newTop~0#1.base|) |thr1Thread1of4ForFork0_push_~#newTop~0#1.offset|) 0) (= (select (select |#race| |thr1Thread1of4ForFork0_push_~#newTop~0#1.base|) (+ |thr1Thread1of4ForFork0_push_~#newTop~0#1.offset| 3)) 0) (= (select (select |#race| |thr1Thread1of4ForFork0_push_~#newTop~0#1.base|) (+ |thr1Thread1of4ForFork0_push_~#newTop~0#1.offset| 2)) 0)), Black: 498#(and (= (select (select |#race| |thr1Thread1of4ForFork0_push_~#newTop~0#1.base|) (+ |thr1Thread1of4ForFork0_push_~#newTop~0#1.offset| 1)) 0) (= (select (select |#race| |thr1Thread1of4ForFork0_push_~#newTop~0#1.base|) |thr1Thread1of4ForFork0_push_~#newTop~0#1.offset|) 0)), Black: 499#(and (= (select (select |#race| |thr1Thread1of4ForFork0_push_~#newTop~0#1.base|) (+ |thr1Thread1of4ForFork0_push_~#newTop~0#1.offset| 1)) 0) (= (select (select |#race| |thr1Thread1of4ForFork0_push_~#newTop~0#1.base|) |thr1Thread1of4ForFork0_push_~#newTop~0#1.offset|) 0) (= (select (select |#race| |thr1Thread1of4ForFork0_push_~#newTop~0#1.base|) (+ |thr1Thread1of4ForFork0_push_~#newTop~0#1.offset| 2)) 0)), 256#L719-2true]) [2025-03-13 22:01:19,935 INFO L294 olderBase$Statistics]: this new event has 185 ancestors and is cut-off event [2025-03-13 22:01:19,935 INFO L297 olderBase$Statistics]: existing Event has 185 ancestors and is cut-off event [2025-03-13 22:01:19,935 INFO L297 olderBase$Statistics]: existing Event has 185 ancestors and is cut-off event [2025-03-13 22:01:19,935 INFO L297 olderBase$Statistics]: existing Event has 157 ancestors and is cut-off event [2025-03-13 22:01:20,390 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([1794] L700-3-->L701-8: Formula: (let ((.cse5 (+ 2 |v_thr1Thread4of4ForFork0_push_~#newTop~0#1.offset_11|)) (.cse6 (+ 3 |v_thr1Thread4of4ForFork0_push_~#newTop~0#1.offset_11|)) (.cse9 (select |v_#race_181| |v_thr1Thread4of4ForFork0_push_~#newTop~0#1.base_11|)) (.cse4 (+ |v_thr1Thread4of4ForFork0_push_~#newTop~0#1.offset_11| 1))) (let ((.cse1 (select .cse9 .cse4)) (.cse2 (select |v_#memory_int_134| |v_thr1Thread4of4ForFork0_push_~#newTop~0#1.base_11|)) (.cse8 (select .cse9 |v_thr1Thread4of4ForFork0_push_~#newTop~0#1.offset_11|)) (.cse7 (select .cse9 .cse6)) (.cse0 (select .cse9 .cse5)) (.cse3 (select |v_#race_182| |v_thr1Thread4of4ForFork0_push_~#newTop~0#1.base_11|))) (or (and (= v_~next_alloc_idx~0_109 v_~next_alloc_idx~0_110) (= |v_thr1___VERIFIER_atomic_index_malloc_#t~nondet1#1_114| .cse0) (= |v_thr1___VERIFIER_atomic_index_malloc_#t~nondet1#1_114| .cse1) (= 0 |v_#race~next_alloc_idx~0_133|) (< 64 v_~next_alloc_idx~0_110) (= |v_#memory_int_133| (store |v_#memory_int_134| |v_thr1Thread4of4ForFork0_push_~#newTop~0#1.base_11| (store .cse2 |v_thr1Thread4of4ForFork0_push_~#newTop~0#1.offset_11| 0))) (= |v_thr1___VERIFIER_atomic_index_malloc_#t~nondet3#1_118| |v_thr1___VERIFIER_atomic_index_malloc_#t~nondet3#1_117|) (= (store |v_#race_182| |v_thr1Thread4of4ForFork0_push_~#newTop~0#1.base_11| (store (store (store (store .cse3 |v_thr1Thread4of4ForFork0_push_~#newTop~0#1.offset_11| |v_thr1___VERIFIER_atomic_index_malloc_#t~nondet1#1_114|) .cse4 |v_thr1___VERIFIER_atomic_index_malloc_#t~nondet1#1_114|) .cse5 |v_thr1___VERIFIER_atomic_index_malloc_#t~nondet1#1_114|) .cse6 |v_thr1___VERIFIER_atomic_index_malloc_#t~nondet1#1_114|)) |v_#race_181|) (= |v_thr1___VERIFIER_atomic_index_malloc_#t~nondet2#1_143| |v_thr1___VERIFIER_atomic_index_malloc_#t~nondet2#1_142|) (= |v_thr1___VERIFIER_atomic_index_malloc_#t~nondet1#1_114| .cse7) (= |v_thr1___VERIFIER_atomic_index_malloc_#t~nondet1#1_114| .cse8)) (and (= |v_thr1___VERIFIER_atomic_index_malloc_#t~nondet1#1_115| |v_thr1___VERIFIER_atomic_index_malloc_#t~nondet1#1_114|) (= v_~next_alloc_idx~0_109 (+ 2 v_~next_alloc_idx~0_110)) (<= v_~next_alloc_idx~0_110 64) (= |v_thr1___VERIFIER_atomic_index_malloc_#t~nondet2#1_142| .cse1) (= (store |v_#memory_int_134| |v_thr1Thread4of4ForFork0_push_~#newTop~0#1.base_11| (store .cse2 |v_thr1Thread4of4ForFork0_push_~#newTop~0#1.offset_11| v_~next_alloc_idx~0_110)) |v_#memory_int_133|) (= |v_thr1___VERIFIER_atomic_index_malloc_#t~nondet2#1_142| .cse8) (= |v_thr1___VERIFIER_atomic_index_malloc_#t~nondet2#1_142| .cse7) (= |v_thr1___VERIFIER_atomic_index_malloc_#t~nondet2#1_142| .cse0) (= |v_thr1___VERIFIER_atomic_index_malloc_#t~nondet3#1_117| |v_#race~next_alloc_idx~0_133|) (= (store |v_#race_182| |v_thr1Thread4of4ForFork0_push_~#newTop~0#1.base_11| (store (store (store (store .cse3 |v_thr1Thread4of4ForFork0_push_~#newTop~0#1.offset_11| |v_thr1___VERIFIER_atomic_index_malloc_#t~nondet2#1_142|) .cse4 |v_thr1___VERIFIER_atomic_index_malloc_#t~nondet2#1_142|) .cse5 |v_thr1___VERIFIER_atomic_index_malloc_#t~nondet2#1_142|) .cse6 |v_thr1___VERIFIER_atomic_index_malloc_#t~nondet2#1_142|)) |v_#race_181|))))) InVars {#race=|v_#race_182|, thr1Thread4of4ForFork0_push_~#newTop~0#1.offset=|v_thr1Thread4of4ForFork0_push_~#newTop~0#1.offset_11|, #memory_int=|v_#memory_int_134|, ~next_alloc_idx~0=v_~next_alloc_idx~0_110, thr1Thread4of4ForFork0_push_~#newTop~0#1.base=|v_thr1Thread4of4ForFork0_push_~#newTop~0#1.base_11|} OutVars{#race=|v_#race_181|, thr1Thread4of4ForFork0_push_~#newTop~0#1.offset=|v_thr1Thread4of4ForFork0_push_~#newTop~0#1.offset_11|, thr1Thread4of4ForFork0___VERIFIER_atomic_index_malloc_#t~nondet3#1=|v_thr1Thread4of4ForFork0___VERIFIER_atomic_index_malloc_#t~nondet3#1_13|, thr1Thread4of4ForFork0___VERIFIER_atomic_index_malloc_#t~nondet1#1=|v_thr1Thread4of4ForFork0___VERIFIER_atomic_index_malloc_#t~nondet1#1_13|, thr1Thread4of4ForFork0___VERIFIER_atomic_index_malloc_~curr_alloc_idx#1.offset=|v_thr1Thread4of4ForFork0___VERIFIER_atomic_index_malloc_~curr_alloc_idx#1.offset_13|, ~next_alloc_idx~0=v_~next_alloc_idx~0_109, thr1Thread4of4ForFork0___VERIFIER_atomic_index_malloc_#in~curr_alloc_idx#1.offset=|v_thr1Thread4of4ForFork0___VERIFIER_atomic_index_malloc_#in~curr_alloc_idx#1.offset_13|, thr1Thread4of4ForFork0___VERIFIER_atomic_index_malloc_#in~curr_alloc_idx#1.base=|v_thr1Thread4of4ForFork0___VERIFIER_atomic_index_malloc_#in~curr_alloc_idx#1.base_13|, thr1Thread4of4ForFork0___VERIFIER_atomic_index_malloc_#t~nondet2#1=|v_thr1Thread4of4ForFork0___VERIFIER_atomic_index_malloc_#t~nondet2#1_13|, thr1Thread4of4ForFork0_push_~#newTop~0#1.base=|v_thr1Thread4of4ForFork0_push_~#newTop~0#1.base_11|, #memory_int=|v_#memory_int_133|, #race~next_alloc_idx~0=|v_#race~next_alloc_idx~0_133|, thr1Thread4of4ForFork0___VERIFIER_atomic_index_malloc_~curr_alloc_idx#1.base=|v_thr1Thread4of4ForFork0___VERIFIER_atomic_index_malloc_~curr_alloc_idx#1.base_13|} AuxVars[|v_thr1___VERIFIER_atomic_index_malloc_#t~nondet1#1_115|, |v_thr1___VERIFIER_atomic_index_malloc_#t~nondet3#1_118|, |v_thr1___VERIFIER_atomic_index_malloc_#t~nondet3#1_117|, |v_thr1___VERIFIER_atomic_index_malloc_#t~nondet2#1_142|, |v_thr1___VERIFIER_atomic_index_malloc_#t~nondet2#1_143|, |v_thr1___VERIFIER_atomic_index_malloc_#t~nondet1#1_114|] AssignedVars[#race, thr1Thread4of4ForFork0___VERIFIER_atomic_index_malloc_#in~curr_alloc_idx#1.base, thr1Thread4of4ForFork0___VERIFIER_atomic_index_malloc_#t~nondet2#1, thr1Thread4of4ForFork0___VERIFIER_atomic_index_malloc_#t~nondet3#1, thr1Thread4of4ForFork0___VERIFIER_atomic_index_malloc_#t~nondet1#1, thr1Thread4of4ForFork0___VERIFIER_atomic_index_malloc_~curr_alloc_idx#1.offset, ~next_alloc_idx~0, thr1Thread4of4ForFork0___VERIFIER_atomic_index_malloc_#in~curr_alloc_idx#1.offset, #memory_int, #race~next_alloc_idx~0, thr1Thread4of4ForFork0___VERIFIER_atomic_index_malloc_~curr_alloc_idx#1.base][194], [493#true, 485#true, 107#L701-8true, 491#true, 438#L701-8true, 10#thr1Err7ASSERT_VIOLATIONDATA_RACEtrue, 136#push_returnLabel#1true, 487#true, 489#true, 506#true, Black: 497#(= (select (select |#race| |thr1Thread1of4ForFork0_push_~#newTop~0#1.base|) |thr1Thread1of4ForFork0_push_~#newTop~0#1.offset|) 0), Black: 500#(and (= (select (select |#race| |thr1Thread1of4ForFork0_push_~#newTop~0#1.base|) (+ |thr1Thread1of4ForFork0_push_~#newTop~0#1.offset| 1)) 0) (= (select (select |#race| |thr1Thread1of4ForFork0_push_~#newTop~0#1.base|) |thr1Thread1of4ForFork0_push_~#newTop~0#1.offset|) 0) (= (select (select |#race| |thr1Thread1of4ForFork0_push_~#newTop~0#1.base|) (+ |thr1Thread1of4ForFork0_push_~#newTop~0#1.offset| 3)) 0) (= (select (select |#race| |thr1Thread1of4ForFork0_push_~#newTop~0#1.base|) (+ |thr1Thread1of4ForFork0_push_~#newTop~0#1.offset| 2)) 0)), 495#true, Black: 498#(and (= (select (select |#race| |thr1Thread1of4ForFork0_push_~#newTop~0#1.base|) (+ |thr1Thread1of4ForFork0_push_~#newTop~0#1.offset| 1)) 0) (= (select (select |#race| |thr1Thread1of4ForFork0_push_~#newTop~0#1.base|) |thr1Thread1of4ForFork0_push_~#newTop~0#1.offset|) 0)), Black: 499#(and (= (select (select |#race| |thr1Thread1of4ForFork0_push_~#newTop~0#1.base|) (+ |thr1Thread1of4ForFork0_push_~#newTop~0#1.offset| 1)) 0) (= (select (select |#race| |thr1Thread1of4ForFork0_push_~#newTop~0#1.base|) |thr1Thread1of4ForFork0_push_~#newTop~0#1.offset|) 0) (= (select (select |#race| |thr1Thread1of4ForFork0_push_~#newTop~0#1.base|) (+ |thr1Thread1of4ForFork0_push_~#newTop~0#1.offset| 2)) 0)), 256#L719-2true]) [2025-03-13 22:01:20,391 INFO L294 olderBase$Statistics]: this new event has 195 ancestors and is cut-off event [2025-03-13 22:01:20,391 INFO L297 olderBase$Statistics]: existing Event has 167 ancestors and is cut-off event [2025-03-13 22:01:20,391 INFO L297 olderBase$Statistics]: existing Event has 167 ancestors and is cut-off event [2025-03-13 22:01:20,391 INFO L297 olderBase$Statistics]: existing Event has 195 ancestors and is cut-off event