/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 -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 02:28:05,093 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-08-25 02:28:05,146 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 02:28:05,149 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-08-25 02:28:05,149 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2023-08-25 02:28:05,182 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-25 02:28:05,182 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-25 02:28:05,183 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-25 02:28:05,183 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-25 02:28:05,186 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-08-25 02:28:05,186 INFO L153 SettingsManager]: * Use SBE=true [2023-08-25 02:28:05,186 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-25 02:28:05,186 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-25 02:28:05,187 INFO L153 SettingsManager]: * sizeof long=4 [2023-08-25 02:28:05,187 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-25 02:28:05,187 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-08-25 02:28:05,188 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-08-25 02:28:05,188 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-25 02:28:05,188 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-25 02:28:05,188 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-25 02:28:05,188 INFO L153 SettingsManager]: * sizeof long double=12 [2023-08-25 02:28:05,189 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-08-25 02:28:05,189 INFO L153 SettingsManager]: * Use constant arrays=true [2023-08-25 02:28:05,189 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-25 02:28:05,190 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-25 02:28:05,190 INFO L153 SettingsManager]: * To the following directory=./dump/ [2023-08-25 02:28:05,190 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-25 02:28:05,190 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-25 02:28:05,190 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-25 02:28:05,190 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-25 02:28:05,191 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-25 02:28:05,191 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-08-25 02:28:05,191 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-08-25 02:28:05,191 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-25 02:28:05,191 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-25 02:28:05,192 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of reach_error function -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of data races in concurrent programs -> true [2023-08-25 02:28:05,431 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-25 02:28:05,448 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-25 02:28:05,450 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-25 02:28:05,451 INFO L270 PluginConnector]: Initializing CDTParser... [2023-08-25 02:28:05,451 INFO L274 PluginConnector]: CDTParser initialized [2023-08-25 02:28:05,452 INFO L431 ainManager$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 02:28:06,522 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-08-25 02:28:06,803 INFO L384 CDTParser]: Found 1 translation units. [2023-08-25 02:28:06,804 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-races/race-2_5b-container_of.i [2023-08-25 02:28:06,820 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/efb2ddbec/d924f3fbe71d41e0b277e33e0d710696/FLAG11ad40f36 [2023-08-25 02:28:06,831 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/efb2ddbec/d924f3fbe71d41e0b277e33e0d710696 [2023-08-25 02:28:06,834 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-25 02:28:06,836 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-08-25 02:28:06,838 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-25 02:28:06,838 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-25 02:28:06,840 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-25 02:28:06,841 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.08 02:28:06" (1/1) ... [2023-08-25 02:28:06,841 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6b29425f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 02:28:06, skipping insertion in model container [2023-08-25 02:28:06,841 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.08 02:28:06" (1/1) ... [2023-08-25 02:28:06,888 INFO L176 MainTranslator]: Built tables and reachable declarations [2023-08-25 02:28:07,300 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-25 02:28:07,315 INFO L201 MainTranslator]: Completed pre-run [2023-08-25 02:28:07,342 WARN L75 lationResultReporter]: Unsoundness Warning: unspecified type, defaulting to int C: short [237] [2023-08-25 02:28:07,344 WARN L75 lationResultReporter]: Unsoundness Warning: unspecified type, defaulting to int C: short [237] [2023-08-25 02:28:07,350 WARN L75 lationResultReporter]: Unsoundness Warning: unspecified type, defaulting to int C: unsigned short [729] [2023-08-25 02:28:07,371 WARN L75 lationResultReporter]: Unsoundness Warning: unspecified type, defaulting to int C: unsigned long [1709] [2023-08-25 02:28:07,388 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-25 02:28:07,469 INFO L206 MainTranslator]: Completed translation [2023-08-25 02:28:07,470 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 02:28:07 WrapperNode [2023-08-25 02:28:07,470 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-25 02:28:07,471 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-25 02:28:07,471 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-25 02:28:07,471 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-25 02:28:07,475 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 02:28:07" (1/1) ... [2023-08-25 02:28:07,494 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 02:28:07" (1/1) ... [2023-08-25 02:28:07,521 INFO L138 Inliner]: procedures = 482, calls = 49, calls flagged for inlining = 13, calls inlined = 18, statements flattened = 238 [2023-08-25 02:28:07,521 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-25 02:28:07,522 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-25 02:28:07,522 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-25 02:28:07,522 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-08-25 02:28:07,528 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 02:28:07" (1/1) ... [2023-08-25 02:28:07,528 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 02:28:07" (1/1) ... [2023-08-25 02:28:07,532 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 02:28:07" (1/1) ... [2023-08-25 02:28:07,533 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 02:28:07" (1/1) ... [2023-08-25 02:28:07,566 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 02:28:07" (1/1) ... [2023-08-25 02:28:07,575 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 02:28:07" (1/1) ... [2023-08-25 02:28:07,577 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 02:28:07" (1/1) ... [2023-08-25 02:28:07,579 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 02:28:07" (1/1) ... [2023-08-25 02:28:07,583 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-25 02:28:07,584 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-25 02:28:07,584 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-08-25 02:28:07,584 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-08-25 02:28:07,585 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 02:28:07" (1/1) ... [2023-08-25 02:28:07,588 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-25 02:28:07,613 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-25 02:28:07,639 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 02:28:07,679 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 02:28:07,687 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-25 02:28:07,687 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-08-25 02:28:07,687 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-08-25 02:28:07,688 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-25 02:28:07,688 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-08-25 02:28:07,688 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-25 02:28:07,688 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-25 02:28:07,688 INFO L130 BoogieDeclarations]: Found specification of procedure my_callback [2023-08-25 02:28:07,688 INFO L138 BoogieDeclarations]: Found implementation of procedure my_callback [2023-08-25 02:28:07,689 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-25 02:28:07,689 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-08-25 02:28:07,689 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-08-25 02:28:07,690 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 02:28:07,905 INFO L236 CfgBuilder]: Building ICFG [2023-08-25 02:28:07,907 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-25 02:28:08,327 INFO L277 CfgBuilder]: Performing block encoding [2023-08-25 02:28:08,339 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-25 02:28:08,339 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-08-25 02:28:08,341 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.08 02:28:08 BoogieIcfgContainer [2023-08-25 02:28:08,341 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-25 02:28:08,342 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-25 02:28:08,342 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-08-25 02:28:08,345 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-08-25 02:28:08,345 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.08 02:28:06" (1/3) ... [2023-08-25 02:28:08,345 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2441bf7f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.08 02:28:08, skipping insertion in model container [2023-08-25 02:28:08,346 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 02:28:07" (2/3) ... [2023-08-25 02:28:08,346 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2441bf7f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.08 02:28:08, skipping insertion in model container [2023-08-25 02:28:08,346 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.08 02:28:08" (3/3) ... [2023-08-25 02:28:08,347 INFO L112 eAbstractionObserver]: Analyzing ICFG race-2_5b-container_of.i [2023-08-25 02:28:08,359 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-25 02:28:08,360 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 23 error locations. [2023-08-25 02:28:08,360 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-25 02:28:08,471 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-08-25 02:28:08,518 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 337 places, 345 transitions, 706 flow [2023-08-25 02:28:08,665 INFO L124 PetriNetUnfolderBase]: 18/427 cut-off events. [2023-08-25 02:28:08,666 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2023-08-25 02:28:08,672 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 02:28:08,672 INFO L82 GeneralOperation]: Start removeDead. Operand has 337 places, 345 transitions, 706 flow [2023-08-25 02:28:08,680 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 335 places, 342 transitions, 696 flow [2023-08-25 02:28:08,682 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-08-25 02:28:08,696 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 335 places, 342 transitions, 696 flow [2023-08-25 02:28:08,698 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 335 places, 342 transitions, 696 flow [2023-08-25 02:28:08,699 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 335 places, 342 transitions, 696 flow [2023-08-25 02:28:08,754 INFO L124 PetriNetUnfolderBase]: 17/426 cut-off events. [2023-08-25 02:28:08,754 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2023-08-25 02:28:08,756 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 02:28:08,765 INFO L119 LiptonReduction]: Number of co-enabled transitions 21164 [2023-08-25 02:29:01,327 INFO L134 LiptonReduction]: Checked pairs total: 156819 [2023-08-25 02:29:01,327 INFO L136 LiptonReduction]: Total number of compositions: 313 [2023-08-25 02:29:01,336 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-08-25 02:29:01,340 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;@4c49acdc, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-08-25 02:29:01,340 INFO L358 AbstractCegarLoop]: Starting to check reachability of 31 error locations. [2023-08-25 02:29:01,341 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-08-25 02:29:01,342 INFO L124 PetriNetUnfolderBase]: 0/0 cut-off events. [2023-08-25 02:29:01,342 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-08-25 02:29:01,342 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-25 02:29:01,342 INFO L208 CegarLoopForPetriNet]: trace histogram [1] [2023-08-25 02:29:01,342 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 02:29:01,345 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-25 02:29:01,346 INFO L85 PathProgramCache]: Analyzing trace with hash 1093, now seen corresponding path program 1 times [2023-08-25 02:29:01,352 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-25 02:29:01,352 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [638517006] [2023-08-25 02:29:01,352 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-25 02:29:01,352 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-25 02:29:01,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-25 02:29:01,479 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 02:29:01,480 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-25 02:29:01,480 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [638517006] [2023-08-25 02:29:01,480 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [638517006] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-25 02:29:01,485 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-25 02:29:01,486 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2023-08-25 02:29:01,487 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1007577266] [2023-08-25 02:29:01,487 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-25 02:29:01,493 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-08-25 02:29:01,496 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-25 02:29:01,513 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-08-25 02:29:01,514 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-08-25 02:29:01,517 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 323 out of 658 [2023-08-25 02:29:01,521 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 02:29:01,521 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-25 02:29:01,521 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 323 of 658 [2023-08-25 02:29:01,522 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-25 02:29:02,102 INFO L124 PetriNetUnfolderBase]: 1396/4387 cut-off events. [2023-08-25 02:29:02,102 INFO L125 PetriNetUnfolderBase]: For 24/31 co-relation queries the response was YES. [2023-08-25 02:29:02,109 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 02:29:02,121 INFO L140 encePairwiseOnDemand]: 647/658 looper letters, 48 selfloop transitions, 0 changer transitions 0/135 dead transitions. [2023-08-25 02:29:02,122 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 141 places, 135 transitions, 378 flow [2023-08-25 02:29:02,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-08-25 02:29:02,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2023-08-25 02:29:02,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 705 transitions. [2023-08-25 02:29:02,133 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5357142857142857 [2023-08-25 02:29:02,134 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 705 transitions. [2023-08-25 02:29:02,134 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 705 transitions. [2023-08-25 02:29:02,136 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-25 02:29:02,137 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 705 transitions. [2023-08-25 02:29:02,141 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 02:29:02,145 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 02:29:02,145 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 02:29:02,147 INFO L175 Difference]: Start difference. First operand has 147 places, 149 transitions, 310 flow. Second operand 2 states and 705 transitions. [2023-08-25 02:29:02,147 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 141 places, 135 transitions, 378 flow [2023-08-25 02:29:02,151 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 02:29:02,154 INFO L231 Difference]: Finished difference. Result has 137 places, 135 transitions, 274 flow [2023-08-25 02:29:02,155 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 02:29:02,159 INFO L281 CegarLoopForPetriNet]: 147 programPoint places, -10 predicate places. [2023-08-25 02:29:02,159 INFO L495 AbstractCegarLoop]: Abstraction has has 137 places, 135 transitions, 274 flow [2023-08-25 02:29:02,160 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 02:29:02,160 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-25 02:29:02,160 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2023-08-25 02:29:02,160 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-08-25 02:29:02,161 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 02:29:02,167 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-25 02:29:02,167 INFO L85 PathProgramCache]: Analyzing trace with hash -801433015, now seen corresponding path program 1 times [2023-08-25 02:29:02,167 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-25 02:29:02,167 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1612446490] [2023-08-25 02:29:02,167 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-25 02:29:02,168 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-25 02:29:02,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-25 02:29:02,578 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 02:29:02,578 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-25 02:29:02,578 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1612446490] [2023-08-25 02:29:02,578 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1612446490] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-25 02:29:02,578 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-25 02:29:02,579 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-25 02:29:02,579 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [100741118] [2023-08-25 02:29:02,579 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-25 02:29:02,579 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-25 02:29:02,580 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-25 02:29:02,580 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-25 02:29:02,580 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-25 02:29:02,581 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 188 out of 658 [2023-08-25 02:29:02,582 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 02:29:02,582 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-25 02:29:02,582 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 188 of 658 [2023-08-25 02:29:02,583 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-25 02:29:07,352 INFO L124 PetriNetUnfolderBase]: 46772/72521 cut-off events. [2023-08-25 02:29:07,353 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2023-08-25 02:29:07,427 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 02:29:07,693 INFO L140 encePairwiseOnDemand]: 627/658 looper letters, 214 selfloop transitions, 102 changer transitions 0/319 dead transitions. [2023-08-25 02:29:07,694 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 142 places, 319 transitions, 1274 flow [2023-08-25 02:29:07,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-25 02:29:07,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-25 02:29:07,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1445 transitions. [2023-08-25 02:29:07,700 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.3660081053698075 [2023-08-25 02:29:07,701 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1445 transitions. [2023-08-25 02:29:07,701 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1445 transitions. [2023-08-25 02:29:07,702 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-25 02:29:07,702 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1445 transitions. [2023-08-25 02:29:07,704 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 02:29:07,709 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 02:29:07,711 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 02:29:07,711 INFO L175 Difference]: Start difference. First operand has 137 places, 135 transitions, 274 flow. Second operand 6 states and 1445 transitions. [2023-08-25 02:29:07,711 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 142 places, 319 transitions, 1274 flow [2023-08-25 02:29:07,714 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 02:29:07,718 INFO L231 Difference]: Finished difference. Result has 146 places, 235 transitions, 841 flow [2023-08-25 02:29:07,718 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 02:29:07,718 INFO L281 CegarLoopForPetriNet]: 147 programPoint places, -1 predicate places. [2023-08-25 02:29:07,719 INFO L495 AbstractCegarLoop]: Abstraction has has 146 places, 235 transitions, 841 flow [2023-08-25 02:29:07,720 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 02:29:07,720 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-25 02:29:07,720 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2023-08-25 02:29:07,721 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-08-25 02:29:07,723 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 02:29:07,724 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-25 02:29:07,724 INFO L85 PathProgramCache]: Analyzing trace with hash 207602008, now seen corresponding path program 1 times [2023-08-25 02:29:07,724 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-25 02:29:07,724 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [14360737] [2023-08-25 02:29:07,724 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-25 02:29:07,725 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-25 02:29:07,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-25 02:29:07,828 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 02:29:07,828 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-25 02:29:07,828 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [14360737] [2023-08-25 02:29:07,829 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [14360737] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-25 02:29:07,829 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-25 02:29:07,830 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-25 02:29:07,830 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1091657197] [2023-08-25 02:29:07,830 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-25 02:29:07,830 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-25 02:29:07,831 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-25 02:29:07,831 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-25 02:29:07,831 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-25 02:29:07,833 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 317 out of 658 [2023-08-25 02:29:07,833 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 02:29:07,834 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-25 02:29:07,834 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 317 of 658 [2023-08-25 02:29:07,834 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-25 02:29:09,292 INFO L124 PetriNetUnfolderBase]: 7645/18065 cut-off events. [2023-08-25 02:29:09,293 INFO L125 PetriNetUnfolderBase]: For 2220/3732 co-relation queries the response was YES. [2023-08-25 02:29:09,348 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 02:29:09,444 INFO L140 encePairwiseOnDemand]: 654/658 looper letters, 75 selfloop transitions, 3 changer transitions 2/258 dead transitions. [2023-08-25 02:29:09,444 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 148 places, 258 transitions, 1054 flow [2023-08-25 02:29:09,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-25 02:29:09,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-25 02:29:09,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1023 transitions. [2023-08-25 02:29:09,448 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5182370820668692 [2023-08-25 02:29:09,448 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1023 transitions. [2023-08-25 02:29:09,448 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1023 transitions. [2023-08-25 02:29:09,454 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-25 02:29:09,454 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1023 transitions. [2023-08-25 02:29:09,459 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 02:29:09,463 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 02:29:09,465 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 02:29:09,465 INFO L175 Difference]: Start difference. First operand has 146 places, 235 transitions, 841 flow. Second operand 3 states and 1023 transitions. [2023-08-25 02:29:09,465 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 148 places, 258 transitions, 1054 flow [2023-08-25 02:29:09,620 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 02:29:09,624 INFO L231 Difference]: Finished difference. Result has 150 places, 236 transitions, 859 flow [2023-08-25 02:29:09,625 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 02:29:09,626 INFO L281 CegarLoopForPetriNet]: 147 programPoint places, 3 predicate places. [2023-08-25 02:29:09,626 INFO L495 AbstractCegarLoop]: Abstraction has has 150 places, 236 transitions, 859 flow [2023-08-25 02:29:09,627 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 02:29:09,627 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-25 02:29:09,627 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-25 02:29:09,627 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-08-25 02:29:09,628 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 02:29:09,628 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-25 02:29:09,628 INFO L85 PathProgramCache]: Analyzing trace with hash -1302059411, now seen corresponding path program 1 times [2023-08-25 02:29:09,628 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-25 02:29:09,629 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [695092150] [2023-08-25 02:29:09,629 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-25 02:29:09,629 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-25 02:29:09,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-25 02:29:10,044 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 02:29:10,045 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-25 02:29:10,045 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [695092150] [2023-08-25 02:29:10,045 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [695092150] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-25 02:29:10,045 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-25 02:29:10,045 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-25 02:29:10,046 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1615644780] [2023-08-25 02:29:10,046 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-25 02:29:10,046 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-25 02:29:10,046 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-25 02:29:10,047 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-25 02:29:10,047 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-25 02:29:10,048 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 194 out of 658 [2023-08-25 02:29:10,049 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 02:29:10,049 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-25 02:29:10,049 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 194 of 658 [2023-08-25 02:29:10,049 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-25 02:29:16,210 INFO L124 PetriNetUnfolderBase]: 54378/84177 cut-off events. [2023-08-25 02:29:16,210 INFO L125 PetriNetUnfolderBase]: For 23832/23924 co-relation queries the response was YES. [2023-08-25 02:29:16,399 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 02:29:16,660 INFO L140 encePairwiseOnDemand]: 619/658 looper letters, 348 selfloop transitions, 189 changer transitions 0/541 dead transitions. [2023-08-25 02:29:16,660 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 155 places, 541 transitions, 2900 flow [2023-08-25 02:29:16,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-25 02:29:16,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-25 02:29:16,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1549 transitions. [2023-08-25 02:29:16,664 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.3923505572441743 [2023-08-25 02:29:16,664 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1549 transitions. [2023-08-25 02:29:16,665 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1549 transitions. [2023-08-25 02:29:16,665 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-25 02:29:16,665 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1549 transitions. [2023-08-25 02:29:16,842 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 02:29:16,847 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 02:29:16,848 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 02:29:16,849 INFO L175 Difference]: Start difference. First operand has 150 places, 236 transitions, 859 flow. Second operand 6 states and 1549 transitions. [2023-08-25 02:29:16,849 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 155 places, 541 transitions, 2900 flow [2023-08-25 02:29:16,942 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 02:29:16,947 INFO L231 Difference]: Finished difference. Result has 158 places, 420 transitions, 2449 flow [2023-08-25 02:29:16,947 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 02:29:16,948 INFO L281 CegarLoopForPetriNet]: 147 programPoint places, 11 predicate places. [2023-08-25 02:29:16,948 INFO L495 AbstractCegarLoop]: Abstraction has has 158 places, 420 transitions, 2449 flow [2023-08-25 02:29:16,949 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 02:29:16,949 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-25 02:29:16,949 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-25 02:29:16,949 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-08-25 02:29:16,949 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 02:29:16,950 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-25 02:29:16,950 INFO L85 PathProgramCache]: Analyzing trace with hash -1129595644, now seen corresponding path program 1 times [2023-08-25 02:29:16,950 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-25 02:29:16,950 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1512653828] [2023-08-25 02:29:16,950 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-25 02:29:16,950 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-25 02:29:16,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-25 02:29:17,223 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 02:29:17,223 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-25 02:29:17,223 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1512653828] [2023-08-25 02:29:17,223 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1512653828] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-25 02:29:17,223 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-25 02:29:17,224 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-25 02:29:17,224 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1697532720] [2023-08-25 02:29:17,224 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-25 02:29:17,224 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-25 02:29:17,224 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-25 02:29:17,224 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-25 02:29:17,225 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-25 02:29:17,225 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 194 out of 658 [2023-08-25 02:29:17,227 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 02:29:17,227 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-25 02:29:17,229 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 194 of 658 [2023-08-25 02:29:17,229 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-25 02:29:27,011 INFO L124 PetriNetUnfolderBase]: 66718/102546 cut-off events. [2023-08-25 02:29:27,012 INFO L125 PetriNetUnfolderBase]: For 78909/78925 co-relation queries the response was YES. [2023-08-25 02:29:27,273 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 02:29:27,631 INFO L140 encePairwiseOnDemand]: 599/658 looper letters, 602 selfloop transitions, 426 changer transitions 0/1031 dead transitions. [2023-08-25 02:29:27,631 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 163 places, 1031 transitions, 7029 flow [2023-08-25 02:29:27,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-25 02:29:27,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-25 02:29:27,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1702 transitions. [2023-08-25 02:29:27,635 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.43110435663627156 [2023-08-25 02:29:27,636 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1702 transitions. [2023-08-25 02:29:27,636 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1702 transitions. [2023-08-25 02:29:27,636 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-25 02:29:27,637 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1702 transitions. [2023-08-25 02:29:27,640 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 02:29:27,643 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 02:29:27,644 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 02:29:27,644 INFO L175 Difference]: Start difference. First operand has 158 places, 420 transitions, 2449 flow. Second operand 6 states and 1702 transitions. [2023-08-25 02:29:27,644 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 163 places, 1031 transitions, 7029 flow [2023-08-25 02:29:28,101 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 02:29:28,111 INFO L231 Difference]: Finished difference. Result has 168 places, 833 transitions, 6460 flow [2023-08-25 02:29:28,112 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 02:29:28,115 INFO L281 CegarLoopForPetriNet]: 147 programPoint places, 21 predicate places. [2023-08-25 02:29:28,115 INFO L495 AbstractCegarLoop]: Abstraction has has 168 places, 833 transitions, 6460 flow [2023-08-25 02:29:28,116 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 02:29:28,116 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-25 02:29:28,116 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-25 02:29:28,116 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-08-25 02:29:28,117 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 02:29:28,117 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-25 02:29:28,117 INFO L85 PathProgramCache]: Analyzing trace with hash -1309074347, now seen corresponding path program 1 times [2023-08-25 02:29:28,117 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-25 02:29:28,117 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [850094443] [2023-08-25 02:29:28,117 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-25 02:29:28,117 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-25 02:29:28,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-25 02:29:28,354 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 02:29:28,355 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-25 02:29:28,355 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [850094443] [2023-08-25 02:29:28,355 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [850094443] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-25 02:29:28,355 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-25 02:29:28,355 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-25 02:29:28,355 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1835495469] [2023-08-25 02:29:28,355 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-25 02:29:28,356 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-25 02:29:28,356 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-25 02:29:28,357 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-25 02:29:28,357 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-25 02:29:28,358 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 199 out of 658 [2023-08-25 02:29:28,359 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 02:29:28,359 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-25 02:29:28,359 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 199 of 658 [2023-08-25 02:29:28,359 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-25 02:29:41,582 INFO L124 PetriNetUnfolderBase]: 69567/107977 cut-off events. [2023-08-25 02:29:41,582 INFO L125 PetriNetUnfolderBase]: For 169667/169792 co-relation queries the response was YES. [2023-08-25 02:29:41,973 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 02:29:42,340 INFO L140 encePairwiseOnDemand]: 635/658 looper letters, 997 selfloop transitions, 222 changer transitions 0/1223 dead transitions. [2023-08-25 02:29:42,340 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 173 places, 1223 transitions, 11487 flow [2023-08-25 02:29:42,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-25 02:29:42,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-25 02:29:42,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1513 transitions. [2023-08-25 02:29:42,344 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.3832320162107396 [2023-08-25 02:29:42,345 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1513 transitions. [2023-08-25 02:29:42,345 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1513 transitions. [2023-08-25 02:29:42,345 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-25 02:29:42,345 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1513 transitions. [2023-08-25 02:29:42,347 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 02:29:42,351 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 02:29:42,351 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 02:29:42,351 INFO L175 Difference]: Start difference. First operand has 168 places, 833 transitions, 6460 flow. Second operand 6 states and 1513 transitions. [2023-08-25 02:29:42,351 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 173 places, 1223 transitions, 11487 flow [2023-08-25 02:29:43,393 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 02:29:43,404 INFO L231 Difference]: Finished difference. Result has 178 places, 1039 transitions, 9034 flow [2023-08-25 02:29:43,405 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 02:29:43,405 INFO L281 CegarLoopForPetriNet]: 147 programPoint places, 31 predicate places. [2023-08-25 02:29:43,405 INFO L495 AbstractCegarLoop]: Abstraction has has 178 places, 1039 transitions, 9034 flow [2023-08-25 02:29:43,407 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 02:29:43,407 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-25 02:29:43,407 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-25 02:29:43,407 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-08-25 02:29:43,407 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 02:29:43,407 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-25 02:29:43,408 INFO L85 PathProgramCache]: Analyzing trace with hash -1646156389, now seen corresponding path program 1 times [2023-08-25 02:29:43,408 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-25 02:29:43,408 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1343311117] [2023-08-25 02:29:43,408 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-25 02:29:43,408 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-25 02:29:43,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-25 02:29:43,582 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 02:29:43,583 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-25 02:29:43,583 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1343311117] [2023-08-25 02:29:43,583 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1343311117] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-25 02:29:43,583 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-25 02:29:43,583 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-25 02:29:43,583 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [851937692] [2023-08-25 02:29:43,583 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-25 02:29:43,583 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-25 02:29:43,583 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-25 02:29:43,584 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-25 02:29:43,584 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-25 02:29:43,584 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 188 out of 658 [2023-08-25 02:29:43,585 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 02:29:43,585 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-25 02:29:43,585 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 188 of 658 [2023-08-25 02:29:43,585 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-25 02:29:59,324 INFO L124 PetriNetUnfolderBase]: 77069/119393 cut-off events. [2023-08-25 02:29:59,325 INFO L125 PetriNetUnfolderBase]: For 262821/262923 co-relation queries the response was YES. [2023-08-25 02:29:59,865 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 02:30:00,290 INFO L140 encePairwiseOnDemand]: 627/658 looper letters, 1114 selfloop transitions, 306 changer transitions 0/1423 dead transitions. [2023-08-25 02:30:00,290 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 183 places, 1423 transitions, 14706 flow [2023-08-25 02:30:00,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-25 02:30:00,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-25 02:30:00,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1446 transitions. [2023-08-25 02:30:00,293 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.3662613981762918 [2023-08-25 02:30:00,293 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1446 transitions. [2023-08-25 02:30:00,293 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1446 transitions. [2023-08-25 02:30:00,294 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-25 02:30:00,294 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1446 transitions. [2023-08-25 02:30:00,296 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 02:30:00,299 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 02:30:00,300 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 02:30:00,300 INFO L175 Difference]: Start difference. First operand has 178 places, 1039 transitions, 9034 flow. Second operand 6 states and 1446 transitions. [2023-08-25 02:30:00,300 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 183 places, 1423 transitions, 14706 flow [2023-08-25 02:30:01,759 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 02:30:01,778 INFO L231 Difference]: Finished difference. Result has 188 places, 1329 transitions, 13024 flow [2023-08-25 02:30:01,779 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 02:30:01,780 INFO L281 CegarLoopForPetriNet]: 147 programPoint places, 41 predicate places. [2023-08-25 02:30:01,780 INFO L495 AbstractCegarLoop]: Abstraction has has 188 places, 1329 transitions, 13024 flow [2023-08-25 02:30:01,780 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 02:30:01,780 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-25 02:30:01,781 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-25 02:30:01,782 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-08-25 02:30:01,782 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 02:30:01,782 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-25 02:30:01,782 INFO L85 PathProgramCache]: Analyzing trace with hash 1621257578, now seen corresponding path program 1 times [2023-08-25 02:30:01,782 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-25 02:30:01,782 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [424234025] [2023-08-25 02:30:01,782 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-25 02:30:01,782 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-25 02:30:01,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-25 02:30:01,851 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 02:30:01,852 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-25 02:30:01,852 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [424234025] [2023-08-25 02:30:01,852 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [424234025] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-25 02:30:01,852 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-25 02:30:01,852 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-08-25 02:30:01,852 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1664980339] [2023-08-25 02:30:01,852 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-25 02:30:01,852 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-25 02:30:01,852 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-25 02:30:01,853 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-25 02:30:01,853 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-25 02:30:01,853 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 317 out of 658 [2023-08-25 02:30:01,854 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 02:30:01,854 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-25 02:30:01,854 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 317 of 658 [2023-08-25 02:30:01,854 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-25 02:30:04,001 INFO L124 PetriNetUnfolderBase]: 8392/16641 cut-off events. [2023-08-25 02:30:04,001 INFO L125 PetriNetUnfolderBase]: For 40522/41357 co-relation queries the response was YES. [2023-08-25 02:30:04,055 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 02:30:04,106 INFO L140 encePairwiseOnDemand]: 656/658 looper letters, 116 selfloop transitions, 1 changer transitions 3/622 dead transitions. [2023-08-25 02:30:04,106 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 188 places, 622 transitions, 5722 flow [2023-08-25 02:30:04,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-25 02:30:04,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-25 02:30:04,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1021 transitions. [2023-08-25 02:30:04,108 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5172239108409321 [2023-08-25 02:30:04,108 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1021 transitions. [2023-08-25 02:30:04,108 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1021 transitions. [2023-08-25 02:30:04,109 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-25 02:30:04,109 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1021 transitions. [2023-08-25 02:30:04,110 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 02:30:04,112 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 02:30:04,112 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 02:30:04,112 INFO L175 Difference]: Start difference. First operand has 188 places, 1329 transitions, 13024 flow. Second operand 3 states and 1021 transitions. [2023-08-25 02:30:04,112 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 188 places, 622 transitions, 5722 flow [2023-08-25 02:30:04,245 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 02:30:04,250 INFO L231 Difference]: Finished difference. Result has 171 places, 589 transitions, 4791 flow [2023-08-25 02:30:04,250 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 02:30:04,251 INFO L281 CegarLoopForPetriNet]: 147 programPoint places, 24 predicate places. [2023-08-25 02:30:04,251 INFO L495 AbstractCegarLoop]: Abstraction has has 171 places, 589 transitions, 4791 flow [2023-08-25 02:30:04,251 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 02:30:04,251 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-25 02:30:04,251 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-25 02:30:04,252 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-08-25 02:30:04,252 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 02:30:04,252 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-25 02:30:04,252 INFO L85 PathProgramCache]: Analyzing trace with hash -1944583580, now seen corresponding path program 1 times [2023-08-25 02:30:04,252 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-25 02:30:04,252 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2049220464] [2023-08-25 02:30:04,252 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-25 02:30:04,252 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-25 02:30:04,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-08-25 02:30:04,277 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-08-25 02:30:04,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-08-25 02:30:04,322 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-08-25 02:30:04,322 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-08-25 02:30:04,322 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location my_callbackErr0ASSERT_VIOLATIONDATA_RACE (30 of 31 remaining) [2023-08-25 02:30:04,324 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (29 of 31 remaining) [2023-08-25 02:30:04,324 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (28 of 31 remaining) [2023-08-25 02:30:04,324 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE (27 of 31 remaining) [2023-08-25 02:30:04,325 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (26 of 31 remaining) [2023-08-25 02:30:04,327 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE (25 of 31 remaining) [2023-08-25 02:30:04,327 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (24 of 31 remaining) [2023-08-25 02:30:04,327 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr16ASSERT_VIOLATIONDATA_RACE (23 of 31 remaining) [2023-08-25 02:30:04,327 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (22 of 31 remaining) [2023-08-25 02:30:04,328 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr17ASSERT_VIOLATIONASSERT (21 of 31 remaining) [2023-08-25 02:30:04,328 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr18ASSERT_VIOLATIONDATA_RACE (20 of 31 remaining) [2023-08-25 02:30:04,328 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (19 of 31 remaining) [2023-08-25 02:30:04,328 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr19ASSERT_VIOLATIONASSERT (18 of 31 remaining) [2023-08-25 02:30:04,328 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONASSERT (17 of 31 remaining) [2023-08-25 02:30:04,328 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (16 of 31 remaining) [2023-08-25 02:30:04,328 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8ASSERT_VIOLATIONASSERT (15 of 31 remaining) [2023-08-25 02:30:04,328 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (14 of 31 remaining) [2023-08-25 02:30:04,328 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (13 of 31 remaining) [2023-08-25 02:30:04,329 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr11ASSERT_VIOLATIONASSERT (12 of 31 remaining) [2023-08-25 02:30:04,329 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE (11 of 31 remaining) [2023-08-25 02:30:04,330 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr13ASSERT_VIOLATIONASSERT (10 of 31 remaining) [2023-08-25 02:30:04,330 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (9 of 31 remaining) [2023-08-25 02:30:04,330 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (8 of 31 remaining) [2023-08-25 02:30:04,330 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location my_callbackErr0ASSERT_VIOLATIONDATA_RACE (7 of 31 remaining) [2023-08-25 02:30:04,330 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location my_callbackErr1ASSERT_VIOLATIONDATA_RACE (6 of 31 remaining) [2023-08-25 02:30:04,330 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location my_callbackErr2ASSERT_VIOLATIONDATA_RACE (5 of 31 remaining) [2023-08-25 02:30:04,330 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location my_callbackErr1ASSERT_VIOLATIONDATA_RACE (4 of 31 remaining) [2023-08-25 02:30:04,331 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location my_callbackErr2ASSERT_VIOLATIONDATA_RACE (3 of 31 remaining) [2023-08-25 02:30:04,331 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location my_callbackErr0ASSERT_VIOLATIONDATA_RACE (2 of 31 remaining) [2023-08-25 02:30:04,331 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location my_callbackErr1ASSERT_VIOLATIONDATA_RACE (1 of 31 remaining) [2023-08-25 02:30:04,331 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location my_callbackErr2ASSERT_VIOLATIONDATA_RACE (0 of 31 remaining) [2023-08-25 02:30:04,331 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-08-25 02:30:04,331 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-25 02:30:04,335 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-08-25 02:30:04,335 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-08-25 02:30:04,361 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.08 02:30:04 BasicIcfg [2023-08-25 02:30:04,361 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-08-25 02:30:04,361 INFO L158 Benchmark]: Toolchain (without parser) took 117525.50ms. Allocated memory was 402.7MB in the beginning and 13.1GB in the end (delta: 12.7GB). Free memory was 375.5MB in the beginning and 8.7GB in the end (delta: -8.3GB). Peak memory consumption was 4.4GB. Max. memory is 16.0GB. [2023-08-25 02:30:04,362 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 402.7MB. Free memory was 378.7MB in the beginning and 378.5MB in the end (delta: 167.8kB). There was no memory consumed. Max. memory is 16.0GB. [2023-08-25 02:30:04,362 INFO L158 Benchmark]: CACSL2BoogieTranslator took 632.44ms. Allocated memory is still 402.7MB. Free memory was 375.5MB in the beginning and 368.9MB in the end (delta: 6.6MB). Peak memory consumption was 57.6MB. Max. memory is 16.0GB. [2023-08-25 02:30:04,362 INFO L158 Benchmark]: Boogie Procedure Inliner took 50.77ms. Allocated memory is still 402.7MB. Free memory was 368.9MB in the beginning and 363.6MB in the end (delta: 5.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.0GB. [2023-08-25 02:30:04,362 INFO L158 Benchmark]: Boogie Preprocessor took 61.56ms. Allocated memory is still 402.7MB. Free memory was 363.6MB in the beginning and 359.4MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.0GB. [2023-08-25 02:30:04,362 INFO L158 Benchmark]: RCFGBuilder took 756.90ms. Allocated memory is still 402.7MB. Free memory was 359.4MB in the beginning and 322.8MB in the end (delta: 36.6MB). Peak memory consumption was 35.7MB. Max. memory is 16.0GB. [2023-08-25 02:30:04,362 INFO L158 Benchmark]: TraceAbstraction took 116018.67ms. Allocated memory was 402.7MB in the beginning and 13.1GB in the end (delta: 12.7GB). Free memory was 322.8MB in the beginning and 8.7GB in the end (delta: -8.4GB). Peak memory consumption was 4.4GB. Max. memory is 16.0GB. [2023-08-25 02:30:04,363 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 402.7MB. Free memory was 378.7MB in the beginning and 378.5MB in the end (delta: 167.8kB). There was no memory consumed. Max. memory is 16.0GB. * CACSL2BoogieTranslator took 632.44ms. Allocated memory is still 402.7MB. Free memory was 375.5MB in the beginning and 368.9MB in the end (delta: 6.6MB). Peak memory consumption was 57.6MB. Max. memory is 16.0GB. * Boogie Procedure Inliner took 50.77ms. Allocated memory is still 402.7MB. Free memory was 368.9MB in the beginning and 363.6MB in the end (delta: 5.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.0GB. * Boogie Preprocessor took 61.56ms. Allocated memory is still 402.7MB. Free memory was 363.6MB in the beginning and 359.4MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.0GB. * RCFGBuilder took 756.90ms. Allocated memory is still 402.7MB. Free memory was 359.4MB in the beginning and 322.8MB in the end (delta: 36.6MB). Peak memory consumption was 35.7MB. Max. memory is 16.0GB. * TraceAbstraction took 116018.67ms. Allocated memory was 402.7MB in the beginning and 13.1GB in the end (delta: 12.7GB). Free memory was 322.8MB in the beginning and 8.7GB in the end (delta: -8.4GB). 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: 52.6s, 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.b = 0 [1720] * 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.a = 0 [1719] * C: data->shared.b = 0 [1720] 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: 115.8s, OverallIterations: 9, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 61.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 52.8s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 634 SdHoareTripleChecker+Valid, 5.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 634 mSDsluCounter, 397 SdHoareTripleChecker+Invalid, 4.4s 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, 1.5s 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 02:30:04,411 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...