/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-VariableLbe.epf --traceabstraction.order.of.the.error.locations.to.be.checked INSUFFICIENT_FIRST -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml --cacsl2boogietranslator.check.unreachability.of.reach_error.function false --cacsl2boogietranslator.check.absence.of.data.races.in.concurrent.programs true -i ../../../trunk/examples/svcomp/ldv-races/race-2_5b-container_of.i -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-ac9dbd0-m [2023-08-25 16:28:41,551 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-08-25 16:28:41,595 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-VariableLbe.epf [2023-08-25 16:28:41,599 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-08-25 16:28:41,599 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2023-08-25 16:28:41,622 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-25 16:28:41,623 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-25 16:28:41,623 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-25 16:28:41,623 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-25 16:28:41,624 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-08-25 16:28:41,624 INFO L153 SettingsManager]: * Use SBE=true [2023-08-25 16:28:41,624 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-25 16:28:41,626 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-25 16:28:41,630 INFO L153 SettingsManager]: * sizeof long=4 [2023-08-25 16:28:41,630 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-25 16:28:41,630 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-08-25 16:28:41,631 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-08-25 16:28:41,631 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-25 16:28:41,631 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-25 16:28:41,631 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-25 16:28:41,631 INFO L153 SettingsManager]: * sizeof long double=12 [2023-08-25 16:28:41,632 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-08-25 16:28:41,632 INFO L153 SettingsManager]: * Use constant arrays=true [2023-08-25 16:28:41,632 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-25 16:28:41,633 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-25 16:28:41,633 INFO L153 SettingsManager]: * To the following directory=./dump/ [2023-08-25 16:28:41,633 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-25 16:28:41,633 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-25 16:28:41,634 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-25 16:28:41,634 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-25 16:28:41,634 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-25 16:28:41,634 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-08-25 16:28:41,635 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-08-25 16:28:41,635 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-25 16:28:41,635 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-25 16:28:41,635 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Order of the error locations to be checked -> INSUFFICIENT_FIRST Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of reach_error function -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of data races in concurrent programs -> true [2023-08-25 16:28:41,978 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-25 16:28:41,997 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-25 16:28:42,000 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-25 16:28:42,001 INFO L270 PluginConnector]: Initializing CDTParser... [2023-08-25 16:28:42,003 INFO L274 PluginConnector]: CDTParser initialized [2023-08-25 16:28:42,004 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-races/race-2_5b-container_of.i [2023-08-25 16:28:43,232 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-08-25 16:28:43,538 INFO L384 CDTParser]: Found 1 translation units. [2023-08-25 16:28:43,539 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-races/race-2_5b-container_of.i [2023-08-25 16:28:43,569 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/77ee54e94/8fce8893db7945e1924cdd942178d1ba/FLAGf8677c7ee [2023-08-25 16:28:43,584 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/77ee54e94/8fce8893db7945e1924cdd942178d1ba [2023-08-25 16:28:43,589 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-25 16:28:43,590 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-08-25 16:28:43,594 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-25 16:28:43,594 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-25 16:28:43,596 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-25 16:28:43,598 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.08 04:28:43" (1/1) ... [2023-08-25 16:28:43,598 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1f2a8c6e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 04:28:43, skipping insertion in model container [2023-08-25 16:28:43,598 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.08 04:28:43" (1/1) ... [2023-08-25 16:28:43,647 INFO L176 MainTranslator]: Built tables and reachable declarations [2023-08-25 16:28:44,209 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-25 16:28:44,220 INFO L201 MainTranslator]: Completed pre-run [2023-08-25 16:28:44,246 WARN L75 lationResultReporter]: Unsoundness Warning: unspecified type, defaulting to int C: short [237] [2023-08-25 16:28:44,248 WARN L75 lationResultReporter]: Unsoundness Warning: unspecified type, defaulting to int C: short [237] [2023-08-25 16:28:44,253 WARN L75 lationResultReporter]: Unsoundness Warning: unspecified type, defaulting to int C: unsigned short [729] [2023-08-25 16:28:44,279 WARN L75 lationResultReporter]: Unsoundness Warning: unspecified type, defaulting to int C: unsigned long [1709] [2023-08-25 16:28:44,316 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-25 16:28:44,415 INFO L206 MainTranslator]: Completed translation [2023-08-25 16:28:44,415 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 04:28:44 WrapperNode [2023-08-25 16:28:44,415 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-25 16:28:44,416 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-25 16:28:44,416 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-25 16:28:44,416 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-25 16:28:44,422 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 04:28:44" (1/1) ... [2023-08-25 16:28:44,451 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 04:28:44" (1/1) ... [2023-08-25 16:28:44,487 INFO L138 Inliner]: procedures = 482, calls = 49, calls flagged for inlining = 13, calls inlined = 18, statements flattened = 238 [2023-08-25 16:28:44,487 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-25 16:28:44,488 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-25 16:28:44,488 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-25 16:28:44,488 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-08-25 16:28:44,495 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 04:28:44" (1/1) ... [2023-08-25 16:28:44,495 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 04:28:44" (1/1) ... [2023-08-25 16:28:44,501 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 04:28:44" (1/1) ... [2023-08-25 16:28:44,501 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 04:28:44" (1/1) ... [2023-08-25 16:28:44,522 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 04:28:44" (1/1) ... [2023-08-25 16:28:44,525 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 04:28:44" (1/1) ... [2023-08-25 16:28:44,529 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 04:28:44" (1/1) ... [2023-08-25 16:28:44,531 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 04:28:44" (1/1) ... [2023-08-25 16:28:44,537 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-25 16:28:44,538 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-25 16:28:44,538 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-08-25 16:28:44,538 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-08-25 16:28:44,539 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 04:28:44" (1/1) ... [2023-08-25 16:28:44,543 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-25 16:28:44,564 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-25 16:28:44,590 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-08-25 16:28:44,621 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-08-25 16:28:44,631 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-25 16:28:44,631 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-08-25 16:28:44,632 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-08-25 16:28:44,632 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-25 16:28:44,632 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-08-25 16:28:44,632 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-25 16:28:44,632 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-25 16:28:44,633 INFO L130 BoogieDeclarations]: Found specification of procedure my_callback [2023-08-25 16:28:44,633 INFO L138 BoogieDeclarations]: Found implementation of procedure my_callback [2023-08-25 16:28:44,633 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-25 16:28:44,633 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-08-25 16:28:44,633 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-08-25 16:28:44,634 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-08-25 16:28:44,865 INFO L236 CfgBuilder]: Building ICFG [2023-08-25 16:28:44,867 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-25 16:28:45,341 INFO L277 CfgBuilder]: Performing block encoding [2023-08-25 16:28:45,348 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-25 16:28:45,349 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-08-25 16:28:45,350 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.08 04:28:45 BoogieIcfgContainer [2023-08-25 16:28:45,351 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-25 16:28:45,353 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-25 16:28:45,353 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-08-25 16:28:45,355 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-08-25 16:28:45,355 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.08 04:28:43" (1/3) ... [2023-08-25 16:28:45,356 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@188c6866 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.08 04:28:45, skipping insertion in model container [2023-08-25 16:28:45,356 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 04:28:44" (2/3) ... [2023-08-25 16:28:45,357 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@188c6866 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.08 04:28:45, skipping insertion in model container [2023-08-25 16:28:45,357 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.08 04:28:45" (3/3) ... [2023-08-25 16:28:45,358 INFO L112 eAbstractionObserver]: Analyzing ICFG race-2_5b-container_of.i [2023-08-25 16:28:45,372 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-25 16:28:45,373 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 23 error locations. [2023-08-25 16:28:45,373 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-25 16:28:45,453 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-08-25 16:28:45,498 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 337 places, 345 transitions, 706 flow [2023-08-25 16:28:45,621 INFO L124 PetriNetUnfolderBase]: 18/427 cut-off events. [2023-08-25 16:28:45,622 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2023-08-25 16:28:45,630 INFO L83 FinitePrefix]: Finished finitePrefix Result has 436 conditions, 427 events. 18/427 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 931 event pairs, 0 based on Foata normal form. 0/374 useless extension candidates. Maximal degree in co-relation 231. Up to 4 conditions per place. [2023-08-25 16:28:45,630 INFO L82 GeneralOperation]: Start removeDead. Operand has 337 places, 345 transitions, 706 flow [2023-08-25 16:28:45,638 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 335 places, 342 transitions, 696 flow [2023-08-25 16:28:45,641 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-08-25 16:28:45,657 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 335 places, 342 transitions, 696 flow [2023-08-25 16:28:45,660 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 335 places, 342 transitions, 696 flow [2023-08-25 16:28:45,661 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 335 places, 342 transitions, 696 flow [2023-08-25 16:28:45,751 INFO L124 PetriNetUnfolderBase]: 17/426 cut-off events. [2023-08-25 16:28:45,751 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2023-08-25 16:28:45,754 INFO L83 FinitePrefix]: Finished finitePrefix Result has 435 conditions, 426 events. 17/426 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 937 event pairs, 0 based on Foata normal form. 0/374 useless extension candidates. Maximal degree in co-relation 231. Up to 4 conditions per place. [2023-08-25 16:28:45,766 INFO L119 LiptonReduction]: Number of co-enabled transitions 21164 [2023-08-25 16:29:38,540 INFO L134 LiptonReduction]: Checked pairs total: 156819 [2023-08-25 16:29:38,540 INFO L136 LiptonReduction]: Total number of compositions: 313 [2023-08-25 16:29:38,551 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-08-25 16:29:38,556 INFO L357 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, mHoare=false, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, 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;@17ae3478, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-08-25 16:29:38,556 INFO L358 AbstractCegarLoop]: Starting to check reachability of 31 error locations. [2023-08-25 16:29:38,558 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-08-25 16:29:38,558 INFO L124 PetriNetUnfolderBase]: 0/0 cut-off events. [2023-08-25 16:29:38,558 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-08-25 16:29:38,558 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-25 16:29:38,558 INFO L208 CegarLoopForPetriNet]: trace histogram [1] [2023-08-25 16:29:38,559 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE (and 28 more)] === [2023-08-25 16:29:38,563 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-25 16:29:38,563 INFO L85 PathProgramCache]: Analyzing trace with hash 1093, now seen corresponding path program 1 times [2023-08-25 16:29:38,570 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-25 16:29:38,570 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1524101978] [2023-08-25 16:29:38,570 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-25 16:29:38,571 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-25 16:29:38,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-25 16:29:38,755 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-25 16:29:38,756 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-25 16:29:38,756 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1524101978] [2023-08-25 16:29:38,758 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1524101978] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-25 16:29:38,758 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-25 16:29:38,758 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2023-08-25 16:29:38,759 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1398353711] [2023-08-25 16:29:38,759 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-25 16:29:38,766 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-08-25 16:29:38,771 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-25 16:29:38,789 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-08-25 16:29:38,790 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-08-25 16:29:38,794 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 323 out of 658 [2023-08-25 16:29:38,798 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 147 places, 149 transitions, 310 flow. Second operand has 2 states, 2 states have (on average 323.5) internal successors, (647), 2 states have internal predecessors, (647), 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) [2023-08-25 16:29:38,799 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-25 16:29:38,799 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 323 of 658 [2023-08-25 16:29:38,800 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-25 16:29:39,481 INFO L124 PetriNetUnfolderBase]: 1396/4387 cut-off events. [2023-08-25 16:29:39,481 INFO L125 PetriNetUnfolderBase]: For 24/31 co-relation queries the response was YES. [2023-08-25 16:29:39,497 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6721 conditions, 4387 events. 1396/4387 cut-off events. For 24/31 co-relation queries the response was YES. Maximal size of possible extension queue 150. Compared 38443 event pairs, 1395 based on Foata normal form. 175/3950 useless extension candidates. Maximal degree in co-relation 6109. Up to 2305 conditions per place. [2023-08-25 16:29:39,517 INFO L140 encePairwiseOnDemand]: 647/658 looper letters, 48 selfloop transitions, 0 changer transitions 0/135 dead transitions. [2023-08-25 16:29:39,517 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 141 places, 135 transitions, 378 flow [2023-08-25 16:29:39,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-08-25 16:29:39,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2023-08-25 16:29:39,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 705 transitions. [2023-08-25 16:29:39,535 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5357142857142857 [2023-08-25 16:29:39,535 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 705 transitions. [2023-08-25 16:29:39,536 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 705 transitions. [2023-08-25 16:29:39,537 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-25 16:29:39,539 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 705 transitions. [2023-08-25 16:29:39,543 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 352.5) internal successors, (705), 2 states have internal predecessors, (705), 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) [2023-08-25 16:29:39,548 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 658.0) internal successors, (1974), 3 states have internal predecessors, (1974), 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) [2023-08-25 16:29:39,549 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 658.0) internal successors, (1974), 3 states have internal predecessors, (1974), 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) [2023-08-25 16:29:39,550 INFO L175 Difference]: Start difference. First operand has 147 places, 149 transitions, 310 flow. Second operand 2 states and 705 transitions. [2023-08-25 16:29:39,551 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 141 places, 135 transitions, 378 flow [2023-08-25 16:29:39,555 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 137 places, 135 transitions, 370 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-08-25 16:29:39,558 INFO L231 Difference]: Finished difference. Result has 137 places, 135 transitions, 274 flow [2023-08-25 16:29:39,560 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=658, PETRI_DIFFERENCE_MINUEND_FLOW=274, PETRI_DIFFERENCE_MINUEND_PLACES=136, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=135, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=135, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=274, PETRI_PLACES=137, PETRI_TRANSITIONS=135} [2023-08-25 16:29:39,562 INFO L281 CegarLoopForPetriNet]: 147 programPoint places, -10 predicate places. [2023-08-25 16:29:39,562 INFO L495 AbstractCegarLoop]: Abstraction has has 137 places, 135 transitions, 274 flow [2023-08-25 16:29:39,563 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 323.5) internal successors, (647), 2 states have internal predecessors, (647), 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) [2023-08-25 16:29:39,563 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-25 16:29:39,563 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2023-08-25 16:29:39,563 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-08-25 16:29:39,564 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE (and 28 more)] === [2023-08-25 16:29:39,564 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-25 16:29:39,564 INFO L85 PathProgramCache]: Analyzing trace with hash -801433015, now seen corresponding path program 1 times [2023-08-25 16:29:39,564 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-25 16:29:39,565 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1212098851] [2023-08-25 16:29:39,565 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-25 16:29:39,565 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-25 16:29:39,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-25 16:29:40,061 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-25 16:29:40,061 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-25 16:29:40,061 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1212098851] [2023-08-25 16:29:40,062 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1212098851] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-25 16:29:40,062 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-25 16:29:40,062 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-25 16:29:40,062 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1439538092] [2023-08-25 16:29:40,062 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-25 16:29:40,063 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-25 16:29:40,064 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-25 16:29:40,065 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-25 16:29:40,066 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-25 16:29:40,067 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 188 out of 658 [2023-08-25 16:29:40,068 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 137 places, 135 transitions, 274 flow. Second operand has 6 states, 6 states have (on average 189.16666666666666) internal successors, (1135), 6 states have internal predecessors, (1135), 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) [2023-08-25 16:29:40,068 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-25 16:29:40,068 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 188 of 658 [2023-08-25 16:29:40,069 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-25 16:29:45,716 INFO L124 PetriNetUnfolderBase]: 46772/72521 cut-off events. [2023-08-25 16:29:45,717 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2023-08-25 16:29:45,805 INFO L83 FinitePrefix]: Finished finitePrefix Result has 144551 conditions, 72521 events. 46772/72521 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 872. Compared 495912 event pairs, 40090 based on Foata normal form. 0/60978 useless extension candidates. Maximal degree in co-relation 144548. Up to 67818 conditions per place. [2023-08-25 16:29:46,089 INFO L140 encePairwiseOnDemand]: 627/658 looper letters, 214 selfloop transitions, 102 changer transitions 0/319 dead transitions. [2023-08-25 16:29:46,090 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 142 places, 319 transitions, 1274 flow [2023-08-25 16:29:46,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-25 16:29:46,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-25 16:29:46,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1445 transitions. [2023-08-25 16:29:46,095 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.3660081053698075 [2023-08-25 16:29:46,095 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1445 transitions. [2023-08-25 16:29:46,095 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1445 transitions. [2023-08-25 16:29:46,096 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-25 16:29:46,096 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1445 transitions. [2023-08-25 16:29:46,099 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 240.83333333333334) internal successors, (1445), 6 states have internal predecessors, (1445), 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) [2023-08-25 16:29:46,108 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 658.0) internal successors, (4606), 7 states have internal predecessors, (4606), 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) [2023-08-25 16:29:46,110 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 658.0) internal successors, (4606), 7 states have internal predecessors, (4606), 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) [2023-08-25 16:29:46,110 INFO L175 Difference]: Start difference. First operand has 137 places, 135 transitions, 274 flow. Second operand 6 states and 1445 transitions. [2023-08-25 16:29:46,110 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 142 places, 319 transitions, 1274 flow [2023-08-25 16:29:46,112 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 142 places, 319 transitions, 1274 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-25 16:29:46,116 INFO L231 Difference]: Finished difference. Result has 146 places, 235 transitions, 841 flow [2023-08-25 16:29:46,116 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=658, PETRI_DIFFERENCE_MINUEND_FLOW=274, PETRI_DIFFERENCE_MINUEND_PLACES=137, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=135, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=26, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=105, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=841, PETRI_PLACES=146, PETRI_TRANSITIONS=235} [2023-08-25 16:29:46,117 INFO L281 CegarLoopForPetriNet]: 147 programPoint places, -1 predicate places. [2023-08-25 16:29:46,117 INFO L495 AbstractCegarLoop]: Abstraction has has 146 places, 235 transitions, 841 flow [2023-08-25 16:29:46,118 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 189.16666666666666) internal successors, (1135), 6 states have internal predecessors, (1135), 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) [2023-08-25 16:29:46,118 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-25 16:29:46,119 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2023-08-25 16:29:46,119 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-08-25 16:29:46,119 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE (and 28 more)] === [2023-08-25 16:29:46,120 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-25 16:29:46,120 INFO L85 PathProgramCache]: Analyzing trace with hash 207602008, now seen corresponding path program 1 times [2023-08-25 16:29:46,120 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-25 16:29:46,120 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [790318750] [2023-08-25 16:29:46,120 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-25 16:29:46,120 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-25 16:29:46,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-25 16:29:46,223 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-25 16:29:46,224 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-25 16:29:46,224 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [790318750] [2023-08-25 16:29:46,224 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [790318750] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-25 16:29:46,225 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-25 16:29:46,226 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-25 16:29:46,226 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [795723945] [2023-08-25 16:29:46,226 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-25 16:29:46,227 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-25 16:29:46,227 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-25 16:29:46,228 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-25 16:29:46,228 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-25 16:29:46,230 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 317 out of 658 [2023-08-25 16:29:46,231 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 146 places, 235 transitions, 841 flow. Second operand has 3 states, 3 states have (on average 317.6666666666667) internal successors, (953), 3 states have internal predecessors, (953), 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) [2023-08-25 16:29:46,231 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-25 16:29:46,231 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 317 of 658 [2023-08-25 16:29:46,231 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-25 16:29:47,916 INFO L124 PetriNetUnfolderBase]: 7645/18065 cut-off events. [2023-08-25 16:29:47,916 INFO L125 PetriNetUnfolderBase]: For 2220/3732 co-relation queries the response was YES. [2023-08-25 16:29:47,949 INFO L83 FinitePrefix]: Finished finitePrefix Result has 37145 conditions, 18065 events. 7645/18065 cut-off events. For 2220/3732 co-relation queries the response was YES. Maximal size of possible extension queue 441. Compared 169558 event pairs, 2647 based on Foata normal form. 188/16371 useless extension candidates. Maximal degree in co-relation 37137. Up to 6943 conditions per place. [2023-08-25 16:29:48,011 INFO L140 encePairwiseOnDemand]: 654/658 looper letters, 75 selfloop transitions, 3 changer transitions 2/258 dead transitions. [2023-08-25 16:29:48,011 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 148 places, 258 transitions, 1054 flow [2023-08-25 16:29:48,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-25 16:29:48,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-25 16:29:48,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1023 transitions. [2023-08-25 16:29:48,014 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5182370820668692 [2023-08-25 16:29:48,014 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1023 transitions. [2023-08-25 16:29:48,015 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1023 transitions. [2023-08-25 16:29:48,015 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-25 16:29:48,015 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1023 transitions. [2023-08-25 16:29:48,017 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 341.0) internal successors, (1023), 3 states have internal predecessors, (1023), 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) [2023-08-25 16:29:48,021 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 658.0) internal successors, (2632), 4 states have internal predecessors, (2632), 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) [2023-08-25 16:29:48,022 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 658.0) internal successors, (2632), 4 states have internal predecessors, (2632), 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) [2023-08-25 16:29:48,022 INFO L175 Difference]: Start difference. First operand has 146 places, 235 transitions, 841 flow. Second operand 3 states and 1023 transitions. [2023-08-25 16:29:48,022 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 148 places, 258 transitions, 1054 flow [2023-08-25 16:29:48,138 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 148 places, 258 transitions, 1054 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-25 16:29:48,143 INFO L231 Difference]: Finished difference. Result has 150 places, 236 transitions, 859 flow [2023-08-25 16:29:48,143 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=658, PETRI_DIFFERENCE_MINUEND_FLOW=841, PETRI_DIFFERENCE_MINUEND_PLACES=146, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=235, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=232, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=859, PETRI_PLACES=150, PETRI_TRANSITIONS=236} [2023-08-25 16:29:48,144 INFO L281 CegarLoopForPetriNet]: 147 programPoint places, 3 predicate places. [2023-08-25 16:29:48,144 INFO L495 AbstractCegarLoop]: Abstraction has has 150 places, 236 transitions, 859 flow [2023-08-25 16:29:48,145 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 317.6666666666667) internal successors, (953), 3 states have internal predecessors, (953), 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) [2023-08-25 16:29:48,145 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-25 16:29:48,145 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-25 16:29:48,145 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-08-25 16:29:48,149 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting my_callbackErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE (and 28 more)] === [2023-08-25 16:29:48,149 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-25 16:29:48,149 INFO L85 PathProgramCache]: Analyzing trace with hash -1302059411, now seen corresponding path program 1 times [2023-08-25 16:29:48,149 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-25 16:29:48,149 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [782773] [2023-08-25 16:29:48,149 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-25 16:29:48,150 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-25 16:29:48,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-25 16:29:48,480 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-25 16:29:48,481 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-25 16:29:48,481 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [782773] [2023-08-25 16:29:48,481 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [782773] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-25 16:29:48,481 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-25 16:29:48,481 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-25 16:29:48,481 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1318055173] [2023-08-25 16:29:48,483 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-25 16:29:48,483 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-25 16:29:48,483 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-25 16:29:48,484 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-25 16:29:48,485 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-25 16:29:48,486 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 194 out of 658 [2023-08-25 16:29:48,487 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 150 places, 236 transitions, 859 flow. Second operand has 6 states, 6 states have (on average 195.5) internal successors, (1173), 6 states have internal predecessors, (1173), 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) [2023-08-25 16:29:48,487 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-25 16:29:48,488 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 194 of 658 [2023-08-25 16:29:48,488 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-25 16:29:55,285 INFO L124 PetriNetUnfolderBase]: 54378/84177 cut-off events. [2023-08-25 16:29:55,285 INFO L125 PetriNetUnfolderBase]: For 23832/23924 co-relation queries the response was YES. [2023-08-25 16:29:55,467 INFO L83 FinitePrefix]: Finished finitePrefix Result has 211643 conditions, 84177 events. 54378/84177 cut-off events. For 23832/23924 co-relation queries the response was YES. Maximal size of possible extension queue 1037. Compared 593161 event pairs, 35638 based on Foata normal form. 0/72493 useless extension candidates. Maximal degree in co-relation 211633. Up to 73928 conditions per place. [2023-08-25 16:29:55,748 INFO L140 encePairwiseOnDemand]: 619/658 looper letters, 348 selfloop transitions, 189 changer transitions 0/541 dead transitions. [2023-08-25 16:29:55,748 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 155 places, 541 transitions, 2900 flow [2023-08-25 16:29:55,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-25 16:29:55,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-25 16:29:55,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1549 transitions. [2023-08-25 16:29:55,753 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.3923505572441743 [2023-08-25 16:29:55,753 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1549 transitions. [2023-08-25 16:29:55,753 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1549 transitions. [2023-08-25 16:29:55,754 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-25 16:29:55,754 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1549 transitions. [2023-08-25 16:29:55,757 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 258.1666666666667) internal successors, (1549), 6 states have internal predecessors, (1549), 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) [2023-08-25 16:29:55,763 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 658.0) internal successors, (4606), 7 states have internal predecessors, (4606), 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) [2023-08-25 16:29:55,765 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 658.0) internal successors, (4606), 7 states have internal predecessors, (4606), 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) [2023-08-25 16:29:55,765 INFO L175 Difference]: Start difference. First operand has 150 places, 236 transitions, 859 flow. Second operand 6 states and 1549 transitions. [2023-08-25 16:29:55,765 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 155 places, 541 transitions, 2900 flow [2023-08-25 16:29:55,870 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 153 places, 541 transitions, 2878 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-08-25 16:29:55,876 INFO L231 Difference]: Finished difference. Result has 158 places, 420 transitions, 2449 flow [2023-08-25 16:29:55,876 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=658, PETRI_DIFFERENCE_MINUEND_FLOW=853, PETRI_DIFFERENCE_MINUEND_PLACES=148, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=236, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=37, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=143, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=2449, PETRI_PLACES=158, PETRI_TRANSITIONS=420} [2023-08-25 16:29:55,877 INFO L281 CegarLoopForPetriNet]: 147 programPoint places, 11 predicate places. [2023-08-25 16:29:55,877 INFO L495 AbstractCegarLoop]: Abstraction has has 158 places, 420 transitions, 2449 flow [2023-08-25 16:29:55,878 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 195.5) internal successors, (1173), 6 states have internal predecessors, (1173), 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) [2023-08-25 16:29:55,878 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-25 16:29:55,878 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-25 16:29:55,878 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-08-25 16:29:55,878 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting my_callbackErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE (and 28 more)] === [2023-08-25 16:29:55,879 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-25 16:29:55,879 INFO L85 PathProgramCache]: Analyzing trace with hash -1129595644, now seen corresponding path program 1 times [2023-08-25 16:29:55,879 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-25 16:29:55,879 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [568963843] [2023-08-25 16:29:55,879 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-25 16:29:55,879 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-25 16:29:55,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-25 16:29:56,227 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-25 16:29:56,228 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-25 16:29:56,228 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [568963843] [2023-08-25 16:29:56,229 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [568963843] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-25 16:29:56,229 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-25 16:29:56,229 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-25 16:29:56,229 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1769700343] [2023-08-25 16:29:56,229 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-25 16:29:56,229 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-25 16:29:56,230 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-25 16:29:56,230 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-25 16:29:56,230 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-25 16:29:56,231 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 194 out of 658 [2023-08-25 16:29:56,232 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 158 places, 420 transitions, 2449 flow. Second operand has 6 states, 6 states have (on average 195.83333333333334) internal successors, (1175), 6 states have internal predecessors, (1175), 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) [2023-08-25 16:29:56,232 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-25 16:29:56,234 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 194 of 658 [2023-08-25 16:29:56,235 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-25 16:30:06,158 INFO L124 PetriNetUnfolderBase]: 66718/102546 cut-off events. [2023-08-25 16:30:06,159 INFO L125 PetriNetUnfolderBase]: For 78909/78925 co-relation queries the response was YES. [2023-08-25 16:30:06,434 INFO L83 FinitePrefix]: Finished finitePrefix Result has 317001 conditions, 102546 events. 66718/102546 cut-off events. For 78909/78925 co-relation queries the response was YES. Maximal size of possible extension queue 1249. Compared 731829 event pairs, 35927 based on Foata normal form. 1/89460 useless extension candidates. Maximal degree in co-relation 316987. Up to 90996 conditions per place. [2023-08-25 16:30:06,759 INFO L140 encePairwiseOnDemand]: 599/658 looper letters, 602 selfloop transitions, 426 changer transitions 0/1031 dead transitions. [2023-08-25 16:30:06,760 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 163 places, 1031 transitions, 7029 flow [2023-08-25 16:30:06,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-25 16:30:06,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-25 16:30:06,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1702 transitions. [2023-08-25 16:30:06,766 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.43110435663627156 [2023-08-25 16:30:06,766 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1702 transitions. [2023-08-25 16:30:06,766 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1702 transitions. [2023-08-25 16:30:06,767 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-25 16:30:06,767 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1702 transitions. [2023-08-25 16:30:06,771 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 283.6666666666667) internal successors, (1702), 6 states have internal predecessors, (1702), 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) [2023-08-25 16:30:06,776 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 658.0) internal successors, (4606), 7 states have internal predecessors, (4606), 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) [2023-08-25 16:30:06,776 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 658.0) internal successors, (4606), 7 states have internal predecessors, (4606), 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) [2023-08-25 16:30:06,777 INFO L175 Difference]: Start difference. First operand has 158 places, 420 transitions, 2449 flow. Second operand 6 states and 1702 transitions. [2023-08-25 16:30:06,777 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 163 places, 1031 transitions, 7029 flow [2023-08-25 16:30:07,343 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 163 places, 1031 transitions, 6909 flow, removed 60 selfloop flow, removed 0 redundant places. [2023-08-25 16:30:07,355 INFO L231 Difference]: Finished difference. Result has 168 places, 833 transitions, 6460 flow [2023-08-25 16:30:07,356 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=658, PETRI_DIFFERENCE_MINUEND_FLOW=2353, PETRI_DIFFERENCE_MINUEND_PLACES=158, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=420, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=85, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=210, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=6460, PETRI_PLACES=168, PETRI_TRANSITIONS=833} [2023-08-25 16:30:07,357 INFO L281 CegarLoopForPetriNet]: 147 programPoint places, 21 predicate places. [2023-08-25 16:30:07,357 INFO L495 AbstractCegarLoop]: Abstraction has has 168 places, 833 transitions, 6460 flow [2023-08-25 16:30:07,357 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 195.83333333333334) internal successors, (1175), 6 states have internal predecessors, (1175), 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) [2023-08-25 16:30:07,357 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-25 16:30:07,357 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-25 16:30:07,358 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-08-25 16:30:07,358 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE (and 28 more)] === [2023-08-25 16:30:07,358 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-25 16:30:07,358 INFO L85 PathProgramCache]: Analyzing trace with hash -1309074347, now seen corresponding path program 1 times [2023-08-25 16:30:07,358 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-25 16:30:07,358 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1298157751] [2023-08-25 16:30:07,358 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-25 16:30:07,359 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-25 16:30:07,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-25 16:30:07,616 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-25 16:30:07,616 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-25 16:30:07,616 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1298157751] [2023-08-25 16:30:07,616 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1298157751] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-25 16:30:07,617 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-25 16:30:07,617 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-25 16:30:07,617 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [910688724] [2023-08-25 16:30:07,617 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-25 16:30:07,617 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-25 16:30:07,617 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-25 16:30:07,618 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-25 16:30:07,622 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-25 16:30:07,623 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 199 out of 658 [2023-08-25 16:30:07,624 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 168 places, 833 transitions, 6460 flow. Second operand has 6 states, 6 states have (on average 200.83333333333334) internal successors, (1205), 6 states have internal predecessors, (1205), 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) [2023-08-25 16:30:07,625 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-25 16:30:07,625 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 199 of 658 [2023-08-25 16:30:07,625 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-25 16:30:21,152 INFO L124 PetriNetUnfolderBase]: 69567/107977 cut-off events. [2023-08-25 16:30:21,152 INFO L125 PetriNetUnfolderBase]: For 169667/169792 co-relation queries the response was YES. [2023-08-25 16:30:21,569 INFO L83 FinitePrefix]: Finished finitePrefix Result has 393913 conditions, 107977 events. 69567/107977 cut-off events. For 169667/169792 co-relation queries the response was YES. Maximal size of possible extension queue 1392. Compared 794606 event pairs, 35564 based on Foata normal form. 0/95948 useless extension candidates. Maximal degree in co-relation 393894. Up to 99154 conditions per place. [2023-08-25 16:30:21,934 INFO L140 encePairwiseOnDemand]: 635/658 looper letters, 997 selfloop transitions, 222 changer transitions 0/1223 dead transitions. [2023-08-25 16:30:21,935 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 173 places, 1223 transitions, 11487 flow [2023-08-25 16:30:21,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-25 16:30:21,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-25 16:30:21,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1513 transitions. [2023-08-25 16:30:21,938 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.3832320162107396 [2023-08-25 16:30:21,938 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1513 transitions. [2023-08-25 16:30:21,939 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1513 transitions. [2023-08-25 16:30:21,939 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-25 16:30:21,939 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1513 transitions. [2023-08-25 16:30:21,942 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 252.16666666666666) internal successors, (1513), 6 states have internal predecessors, (1513), 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) [2023-08-25 16:30:21,946 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 658.0) internal successors, (4606), 7 states have internal predecessors, (4606), 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) [2023-08-25 16:30:21,947 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 658.0) internal successors, (4606), 7 states have internal predecessors, (4606), 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) [2023-08-25 16:30:21,947 INFO L175 Difference]: Start difference. First operand has 168 places, 833 transitions, 6460 flow. Second operand 6 states and 1513 transitions. [2023-08-25 16:30:21,947 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 173 places, 1223 transitions, 11487 flow [2023-08-25 16:30:22,958 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 173 places, 1223 transitions, 11247 flow, removed 120 selfloop flow, removed 0 redundant places. [2023-08-25 16:30:22,971 INFO L231 Difference]: Finished difference. Result has 178 places, 1039 transitions, 9034 flow [2023-08-25 16:30:22,971 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=658, PETRI_DIFFERENCE_MINUEND_FLOW=6322, PETRI_DIFFERENCE_MINUEND_PLACES=168, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=833, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=48, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=707, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=9034, PETRI_PLACES=178, PETRI_TRANSITIONS=1039} [2023-08-25 16:30:22,972 INFO L281 CegarLoopForPetriNet]: 147 programPoint places, 31 predicate places. [2023-08-25 16:30:22,972 INFO L495 AbstractCegarLoop]: Abstraction has has 178 places, 1039 transitions, 9034 flow [2023-08-25 16:30:22,973 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 200.83333333333334) internal successors, (1205), 6 states have internal predecessors, (1205), 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) [2023-08-25 16:30:22,973 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-25 16:30:22,973 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-25 16:30:22,973 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-08-25 16:30:22,973 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE (and 28 more)] === [2023-08-25 16:30:22,974 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-25 16:30:22,974 INFO L85 PathProgramCache]: Analyzing trace with hash -1646156389, now seen corresponding path program 1 times [2023-08-25 16:30:22,974 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-25 16:30:22,974 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [830145531] [2023-08-25 16:30:22,974 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-25 16:30:22,974 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-25 16:30:22,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-25 16:30:23,275 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-25 16:30:23,275 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-25 16:30:23,275 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [830145531] [2023-08-25 16:30:23,275 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [830145531] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-25 16:30:23,276 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-25 16:30:23,276 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-25 16:30:23,276 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1739598161] [2023-08-25 16:30:23,276 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-25 16:30:23,276 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-25 16:30:23,276 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-25 16:30:23,277 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-25 16:30:23,277 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-25 16:30:23,278 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 188 out of 658 [2023-08-25 16:30:23,279 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 178 places, 1039 transitions, 9034 flow. Second operand has 6 states, 6 states have (on average 190.16666666666666) internal successors, (1141), 6 states have internal predecessors, (1141), 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) [2023-08-25 16:30:23,279 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-25 16:30:23,279 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 188 of 658 [2023-08-25 16:30:23,279 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-25 16:30:39,598 INFO L124 PetriNetUnfolderBase]: 77069/119393 cut-off events. [2023-08-25 16:30:39,598 INFO L125 PetriNetUnfolderBase]: For 262821/262923 co-relation queries the response was YES. [2023-08-25 16:30:40,169 INFO L83 FinitePrefix]: Finished finitePrefix Result has 467872 conditions, 119393 events. 77069/119393 cut-off events. For 262821/262923 co-relation queries the response was YES. Maximal size of possible extension queue 1551. Compared 887434 event pairs, 36620 based on Foata normal form. 0/107547 useless extension candidates. Maximal degree in co-relation 467848. Up to 111612 conditions per place. [2023-08-25 16:30:40,575 INFO L140 encePairwiseOnDemand]: 627/658 looper letters, 1114 selfloop transitions, 306 changer transitions 0/1423 dead transitions. [2023-08-25 16:30:40,575 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 183 places, 1423 transitions, 14706 flow [2023-08-25 16:30:40,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-25 16:30:40,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-25 16:30:40,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1446 transitions. [2023-08-25 16:30:40,579 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.3662613981762918 [2023-08-25 16:30:40,579 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1446 transitions. [2023-08-25 16:30:40,579 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1446 transitions. [2023-08-25 16:30:40,580 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-25 16:30:40,580 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1446 transitions. [2023-08-25 16:30:40,583 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 241.0) internal successors, (1446), 6 states have internal predecessors, (1446), 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) [2023-08-25 16:30:40,587 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 658.0) internal successors, (4606), 7 states have internal predecessors, (4606), 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) [2023-08-25 16:30:40,587 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 658.0) internal successors, (4606), 7 states have internal predecessors, (4606), 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) [2023-08-25 16:30:40,588 INFO L175 Difference]: Start difference. First operand has 178 places, 1039 transitions, 9034 flow. Second operand 6 states and 1446 transitions. [2023-08-25 16:30:40,588 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 183 places, 1423 transitions, 14706 flow [2023-08-25 16:30:42,051 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 183 places, 1423 transitions, 14634 flow, removed 36 selfloop flow, removed 0 redundant places. [2023-08-25 16:30:42,068 INFO L231 Difference]: Finished difference. Result has 188 places, 1329 transitions, 13024 flow [2023-08-25 16:30:42,068 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=658, PETRI_DIFFERENCE_MINUEND_FLOW=8962, PETRI_DIFFERENCE_MINUEND_PLACES=178, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1039, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=64, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=877, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=13024, PETRI_PLACES=188, PETRI_TRANSITIONS=1329} [2023-08-25 16:30:42,069 INFO L281 CegarLoopForPetriNet]: 147 programPoint places, 41 predicate places. [2023-08-25 16:30:42,069 INFO L495 AbstractCegarLoop]: Abstraction has has 188 places, 1329 transitions, 13024 flow [2023-08-25 16:30:42,070 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 190.16666666666666) internal successors, (1141), 6 states have internal predecessors, (1141), 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) [2023-08-25 16:30:42,070 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-25 16:30:42,070 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-25 16:30:42,070 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-08-25 16:30:42,070 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE (and 28 more)] === [2023-08-25 16:30:42,071 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-25 16:30:42,071 INFO L85 PathProgramCache]: Analyzing trace with hash 1621257578, now seen corresponding path program 1 times [2023-08-25 16:30:42,071 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-25 16:30:42,071 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1218729133] [2023-08-25 16:30:42,071 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-25 16:30:42,071 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-25 16:30:42,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-25 16:30:42,142 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-25 16:30:42,143 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-25 16:30:42,143 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1218729133] [2023-08-25 16:30:42,143 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1218729133] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-25 16:30:42,143 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-25 16:30:42,143 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-08-25 16:30:42,143 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [375944004] [2023-08-25 16:30:42,143 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-25 16:30:42,144 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-25 16:30:42,144 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-25 16:30:42,144 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-25 16:30:42,144 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-25 16:30:42,145 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 317 out of 658 [2023-08-25 16:30:42,146 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 188 places, 1329 transitions, 13024 flow. Second operand has 3 states, 3 states have (on average 320.3333333333333) internal successors, (961), 3 states have internal predecessors, (961), 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) [2023-08-25 16:30:42,146 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-25 16:30:42,146 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 317 of 658 [2023-08-25 16:30:42,146 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-25 16:30:44,472 INFO L124 PetriNetUnfolderBase]: 8392/16641 cut-off events. [2023-08-25 16:30:44,472 INFO L125 PetriNetUnfolderBase]: For 40522/41357 co-relation queries the response was YES. [2023-08-25 16:30:44,528 INFO L83 FinitePrefix]: Finished finitePrefix Result has 68811 conditions, 16641 events. 8392/16641 cut-off events. For 40522/41357 co-relation queries the response was YES. Maximal size of possible extension queue 404. Compared 131641 event pairs, 1126 based on Foata normal form. 32/15982 useless extension candidates. Maximal degree in co-relation 68782. Up to 7570 conditions per place. [2023-08-25 16:30:44,581 INFO L140 encePairwiseOnDemand]: 656/658 looper letters, 116 selfloop transitions, 1 changer transitions 3/622 dead transitions. [2023-08-25 16:30:44,581 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 188 places, 622 transitions, 5722 flow [2023-08-25 16:30:44,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-25 16:30:44,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-25 16:30:44,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1021 transitions. [2023-08-25 16:30:44,584 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5172239108409321 [2023-08-25 16:30:44,584 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1021 transitions. [2023-08-25 16:30:44,584 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1021 transitions. [2023-08-25 16:30:44,584 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-25 16:30:44,584 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1021 transitions. [2023-08-25 16:30:44,586 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 340.3333333333333) internal successors, (1021), 3 states have internal predecessors, (1021), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 16:30:44,588 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 658.0) internal successors, (2632), 4 states have internal predecessors, (2632), 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) [2023-08-25 16:30:44,589 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 658.0) internal successors, (2632), 4 states have internal predecessors, (2632), 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) [2023-08-25 16:30:44,589 INFO L175 Difference]: Start difference. First operand has 188 places, 1329 transitions, 13024 flow. Second operand 3 states and 1021 transitions. [2023-08-25 16:30:44,589 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 188 places, 622 transitions, 5722 flow [2023-08-25 16:30:44,753 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 171 places, 622 transitions, 5196 flow, removed 241 selfloop flow, removed 17 redundant places. [2023-08-25 16:30:44,758 INFO L231 Difference]: Finished difference. Result has 171 places, 589 transitions, 4791 flow [2023-08-25 16:30:44,759 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=658, PETRI_DIFFERENCE_MINUEND_FLOW=4795, PETRI_DIFFERENCE_MINUEND_PLACES=169, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=591, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=590, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=4791, PETRI_PLACES=171, PETRI_TRANSITIONS=589} [2023-08-25 16:30:44,759 INFO L281 CegarLoopForPetriNet]: 147 programPoint places, 24 predicate places. [2023-08-25 16:30:44,759 INFO L495 AbstractCegarLoop]: Abstraction has has 171 places, 589 transitions, 4791 flow [2023-08-25 16:30:44,760 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 320.3333333333333) internal successors, (961), 3 states have internal predecessors, (961), 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) [2023-08-25 16:30:44,760 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-25 16:30:44,760 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-25 16:30:44,760 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-08-25 16:30:44,760 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting my_callbackErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE (and 28 more)] === [2023-08-25 16:30:44,761 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-25 16:30:44,761 INFO L85 PathProgramCache]: Analyzing trace with hash -1944583580, now seen corresponding path program 1 times [2023-08-25 16:30:44,761 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-25 16:30:44,761 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [885654757] [2023-08-25 16:30:44,761 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-25 16:30:44,761 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-25 16:30:44,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-08-25 16:30:44,817 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-08-25 16:30:44,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-08-25 16:30:44,884 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-08-25 16:30:44,885 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-08-25 16:30:44,885 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location my_callbackErr0ASSERT_VIOLATIONDATA_RACE (30 of 31 remaining) [2023-08-25 16:30:44,887 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (29 of 31 remaining) [2023-08-25 16:30:44,887 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (28 of 31 remaining) [2023-08-25 16:30:44,889 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE (27 of 31 remaining) [2023-08-25 16:30:44,890 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (26 of 31 remaining) [2023-08-25 16:30:44,890 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE (25 of 31 remaining) [2023-08-25 16:30:44,890 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (24 of 31 remaining) [2023-08-25 16:30:44,890 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr16ASSERT_VIOLATIONDATA_RACE (23 of 31 remaining) [2023-08-25 16:30:44,890 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (22 of 31 remaining) [2023-08-25 16:30:44,891 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr17ASSERT_VIOLATIONASSERT (21 of 31 remaining) [2023-08-25 16:30:44,891 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr18ASSERT_VIOLATIONDATA_RACE (20 of 31 remaining) [2023-08-25 16:30:44,891 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (19 of 31 remaining) [2023-08-25 16:30:44,892 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr19ASSERT_VIOLATIONASSERT (18 of 31 remaining) [2023-08-25 16:30:44,892 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONASSERT (17 of 31 remaining) [2023-08-25 16:30:44,892 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (16 of 31 remaining) [2023-08-25 16:30:44,892 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8ASSERT_VIOLATIONASSERT (15 of 31 remaining) [2023-08-25 16:30:44,892 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (14 of 31 remaining) [2023-08-25 16:30:44,892 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (13 of 31 remaining) [2023-08-25 16:30:44,892 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr11ASSERT_VIOLATIONASSERT (12 of 31 remaining) [2023-08-25 16:30:44,892 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE (11 of 31 remaining) [2023-08-25 16:30:44,894 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr13ASSERT_VIOLATIONASSERT (10 of 31 remaining) [2023-08-25 16:30:44,894 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (9 of 31 remaining) [2023-08-25 16:30:44,894 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (8 of 31 remaining) [2023-08-25 16:30:44,895 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location my_callbackErr0ASSERT_VIOLATIONDATA_RACE (7 of 31 remaining) [2023-08-25 16:30:44,895 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location my_callbackErr1ASSERT_VIOLATIONDATA_RACE (6 of 31 remaining) [2023-08-25 16:30:44,895 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location my_callbackErr2ASSERT_VIOLATIONDATA_RACE (5 of 31 remaining) [2023-08-25 16:30:44,895 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location my_callbackErr1ASSERT_VIOLATIONDATA_RACE (4 of 31 remaining) [2023-08-25 16:30:44,895 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location my_callbackErr2ASSERT_VIOLATIONDATA_RACE (3 of 31 remaining) [2023-08-25 16:30:44,895 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location my_callbackErr0ASSERT_VIOLATIONDATA_RACE (2 of 31 remaining) [2023-08-25 16:30:44,895 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location my_callbackErr1ASSERT_VIOLATIONDATA_RACE (1 of 31 remaining) [2023-08-25 16:30:44,896 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location my_callbackErr2ASSERT_VIOLATIONDATA_RACE (0 of 31 remaining) [2023-08-25 16:30:44,896 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-08-25 16:30:44,896 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-25 16:30:44,902 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-08-25 16:30:44,902 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-08-25 16:30:44,949 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.08 04:30:44 BasicIcfg [2023-08-25 16:30:44,949 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-08-25 16:30:44,949 INFO L158 Benchmark]: Toolchain (without parser) took 121359.58ms. Allocated memory was 362.8MB in the beginning and 14.2GB in the end (delta: 13.9GB). Free memory was 335.4MB in the beginning and 9.8GB in the end (delta: -9.5GB). Peak memory consumption was 4.4GB. Max. memory is 16.0GB. [2023-08-25 16:30:44,950 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 362.8MB. Free memory was 340.6MB in the beginning and 340.5MB in the end (delta: 86.2kB). There was no memory consumed. Max. memory is 16.0GB. [2023-08-25 16:30:44,950 INFO L158 Benchmark]: CACSL2BoogieTranslator took 821.62ms. Allocated memory is still 362.8MB. Free memory was 335.4MB in the beginning and 278.2MB in the end (delta: 57.2MB). Peak memory consumption was 56.6MB. Max. memory is 16.0GB. [2023-08-25 16:30:44,950 INFO L158 Benchmark]: Boogie Procedure Inliner took 71.22ms. Allocated memory is still 362.8MB. Free memory was 278.2MB in the beginning and 274.0MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.0GB. [2023-08-25 16:30:44,950 INFO L158 Benchmark]: Boogie Preprocessor took 49.32ms. Allocated memory is still 362.8MB. Free memory was 274.0MB in the beginning and 269.9MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.0GB. [2023-08-25 16:30:44,952 INFO L158 Benchmark]: RCFGBuilder took 812.87ms. Allocated memory was 362.8MB in the beginning and 518.0MB in the end (delta: 155.2MB). Free memory was 269.3MB in the beginning and 471.9MB in the end (delta: -202.6MB). Peak memory consumption was 27.7MB. Max. memory is 16.0GB. [2023-08-25 16:30:44,952 INFO L158 Benchmark]: TraceAbstraction took 119596.45ms. Allocated memory was 518.0MB in the beginning and 14.2GB in the end (delta: 13.7GB). Free memory was 471.9MB in the beginning and 9.8GB in the end (delta: -9.3GB). Peak memory consumption was 4.4GB. Max. memory is 16.0GB. [2023-08-25 16:30:44,954 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 362.8MB. Free memory was 340.6MB in the beginning and 340.5MB in the end (delta: 86.2kB). There was no memory consumed. Max. memory is 16.0GB. * CACSL2BoogieTranslator took 821.62ms. Allocated memory is still 362.8MB. Free memory was 335.4MB in the beginning and 278.2MB in the end (delta: 57.2MB). Peak memory consumption was 56.6MB. Max. memory is 16.0GB. * Boogie Procedure Inliner took 71.22ms. Allocated memory is still 362.8MB. Free memory was 278.2MB in the beginning and 274.0MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.0GB. * Boogie Preprocessor took 49.32ms. Allocated memory is still 362.8MB. Free memory was 274.0MB in the beginning and 269.9MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.0GB. * RCFGBuilder took 812.87ms. Allocated memory was 362.8MB in the beginning and 518.0MB in the end (delta: 155.2MB). Free memory was 269.3MB in the beginning and 471.9MB in the end (delta: -202.6MB). Peak memory consumption was 27.7MB. Max. memory is 16.0GB. * TraceAbstraction took 119596.45ms. Allocated memory was 518.0MB in the beginning and 14.2GB in the end (delta: 13.7GB). Free memory was 471.9MB in the beginning and 9.8GB in the end (delta: -9.3GB). Peak memory consumption was 4.4GB. Max. memory is 16.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 237]: Unsoundness Warning unspecified type, defaulting to int C: short [237] - GenericResultAtLocation [Line: 237]: Unsoundness Warning unspecified type, defaulting to int C: short [237] - GenericResultAtLocation [Line: 729]: Unsoundness Warning unspecified type, defaulting to int C: unsigned short [729] - GenericResultAtLocation [Line: 1709]: Unsoundness Warning unspecified type, defaulting to int C: unsigned long [1709] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 52.9s, 335 PlacesBefore, 147 PlacesAfterwards, 342 TransitionsBefore, 149 TransitionsAfterwards, 21164 CoEnabledTransitionPairs, 9 FixpointIterations, 128 TrivialSequentialCompositions, 117 ConcurrentSequentialCompositions, 10 TrivialYvCompositions, 53 ConcurrentYvCompositions, 5 ChoiceCompositions, 313 TotalNumberOfCompositions, 156819 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 22104, independent: 19682, independent conditional: 0, independent unconditional: 19682, dependent: 2422, dependent conditional: 0, dependent unconditional: 2422, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 9441, independent: 9213, independent conditional: 0, independent unconditional: 9213, dependent: 228, dependent conditional: 0, dependent unconditional: 228, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 22104, independent: 10469, independent conditional: 0, independent unconditional: 10469, dependent: 2194, dependent conditional: 0, dependent unconditional: 2194, unknown: 9441, unknown conditional: 0, unknown unconditional: 9441] , Statistics on independence cache: Total cache size (in pairs): 681, Positive cache size: 526, Positive conditional cache size: 0, Positive unconditional cache size: 526, Negative cache size: 155, Negative conditional cache size: 0, Negative unconditional cache size: 155, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - DataRaceFoundResult [Line: 1711]: Data race detected Data race detected The following path leads to a data race: [L1694] 0 pthread_t t1,t2; [L1748] CALL, EXPR 0 my_drv_init() [L1742] 0 return 0; [L1748] RET, EXPR 0 my_drv_init() [L1748] 0 int ret = my_drv_init(); [L1749] COND TRUE 0 ret==0 [L1750] 0 int probe_ret; [L1751] 0 struct my_data data; [L1752] CALL 0 my_drv_probe(&data) [L1717] 0 struct device *d = &data->dev; [L1719] 0 data->shared.a = 0 [L1720] 0 data->shared.b = 0 [L1721] 0 int res = __VERIFIER_nondet_int(); [L1722] COND FALSE 0 !(\read(res)) [L1724] FCALL, FORK 0 pthread_create(&t1, ((void *)0), my_callback, (void *)d) VAL [arg={5:24}, d={5:24}, data={5:0}, data={5:0}, pthread_create(&t1, ((void *)0), my_callback, (void *)d)=6, res=0, t1={3:0}, t2={4:0}] [L1707] 1 struct device *dev = (struct device*)arg; [L1708] 1 struct my_data *data; [L1709] 1 const typeof( ((struct my_data *)0)->dev ) *__mptr = (dev); [L1709] 1 { const typeof( ((struct my_data *)0)->dev ) *__mptr = (dev); (struct my_data *)( (char *)__mptr - ((unsigned long) &((struct my_data *)0)->dev) );} [L1709] 1 data = ({ const typeof( ((struct my_data *)0)->dev ) *__mptr = (dev); (struct my_data *)( (char *)__mptr - ((unsigned long) &((struct my_data *)0)->dev) );}) [L1711] 1 data->shared.a = 1 VAL [__mptr={1154:-5}, arg={5:24}, arg={5:24}, data={1154:-29}, dev={5:24}, t1={3:0}, t2={4:0}] [L1725] FCALL, FORK 0 pthread_create(&t2, ((void *)0), my_callback, (void *)d) VAL [__mptr={1154:-5}, arg={5:24}, arg={5:24}, d={5:24}, data={1154:-29}, data={5:0}, data={5:0}, dev={5:24}, pthread_create(&t2, ((void *)0), my_callback, (void *)d)=7, res=0, t1={3:0}, t2={4:0}] [L1707] 2 struct device *dev = (struct device*)arg; [L1708] 2 struct my_data *data; [L1709] 2 const typeof( ((struct my_data *)0)->dev ) *__mptr = (dev); [L1709] 2 { const typeof( ((struct my_data *)0)->dev ) *__mptr = (dev); (struct my_data *)( (char *)__mptr - ((unsigned long) &((struct my_data *)0)->dev) );} [L1709] 2 data = ({ const typeof( ((struct my_data *)0)->dev ) *__mptr = (dev); (struct my_data *)( (char *)__mptr - ((unsigned long) &((struct my_data *)0)->dev) );}) [L1711] 2 data->shared.a = 1 VAL [__mptr={1154:-3}, arg={5:24}, arg={5:24}, data->shared.a = 1=1163, data={1154:-27}, dev={5:24}, t1={3:0}, t2={4:0}] Now there is a data race, but we were unable to determine exactly which statements and variables are involved. There could be a race between one of the statements * C: data->shared.a = 0 [1719] * C: data->shared.a = 0 [1719] * C: data->shared.a = 0 [1719] * C: data->shared.b = 0 [1720] * C: data->shared.b = 0 [1720] * C: data->shared.b = 0 [1720] * C: data->shared.b = 0 [1720] * C: data->shared.a = 0 [1719] and C: data->shared.a = 1 [1711] - UnprovableResult [Line: 1719]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1720]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1759]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1733]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1760]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1734]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1761]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1735]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1691]: Unable to prove that assertion always holds Unable to prove that assertion always holds Reason: Not analyzed. - UnprovableResult [Line: 1762]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1736]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1691]: Unable to prove that assertion always holds Unable to prove that assertion always holds Reason: Not analyzed. - UnprovableResult [Line: 1691]: Unable to prove that assertion always holds Unable to prove that assertion always holds Reason: Not analyzed. - UnprovableResult [Line: 1737]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1691]: Unable to prove that assertion always holds Unable to prove that assertion always holds Reason: Not analyzed. - UnprovableResult [Line: 1738]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1755]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1691]: Unable to prove that assertion always holds Unable to prove that assertion always holds Reason: Not analyzed. - UnprovableResult [Line: 1756]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1691]: Unable to prove that assertion always holds Unable to prove that assertion always holds Reason: Not analyzed. - UnprovableResult [Line: 1724]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - UnprovableResult [Line: 1725]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - UnprovableResult [Line: 1712]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1712]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 4 procedures, 371 locations, 31 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 119.4s, OverallIterations: 9, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 64.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 53.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 634 SdHoareTripleChecker+Valid, 5.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 634 mSDsluCounter, 397 SdHoareTripleChecker+Invalid, 4.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 42 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 5019 IncrementalHoareTripleChecker+Invalid, 5061 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 42 mSolverCounterUnsat, 397 mSDtfsCounter, 5019 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 32 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=13024occurred in iteration=7, InterpolantAutomatonStates: 38, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.7s InterpolantComputationTime, 87 NumberOfCodeBlocks, 87 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 65 ConstructedInterpolants, 0 QuantifiedInterpolants, 507 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2023-08-25 16:30:45,011 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...