/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-3_2b-container_of-global.i -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-ac9dbd0-m [2023-08-25 02:29:37,579 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-08-25 02:29:37,654 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 02:29:37,661 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-08-25 02:29:37,662 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2023-08-25 02:29:37,694 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-25 02:29:37,694 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-25 02:29:37,699 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-25 02:29:37,699 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-25 02:29:37,703 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-08-25 02:29:37,703 INFO L153 SettingsManager]: * Use SBE=true [2023-08-25 02:29:37,703 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-25 02:29:37,703 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-25 02:29:37,704 INFO L153 SettingsManager]: * sizeof long=4 [2023-08-25 02:29:37,705 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-25 02:29:37,705 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-08-25 02:29:37,705 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-08-25 02:29:37,705 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-25 02:29:37,705 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-25 02:29:37,706 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-25 02:29:37,706 INFO L153 SettingsManager]: * sizeof long double=12 [2023-08-25 02:29:37,706 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-08-25 02:29:37,707 INFO L153 SettingsManager]: * Use constant arrays=true [2023-08-25 02:29:37,707 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-25 02:29:37,707 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-25 02:29:37,708 INFO L153 SettingsManager]: * To the following directory=./dump/ [2023-08-25 02:29:37,708 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-25 02:29:37,708 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-25 02:29:37,708 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-25 02:29:37,708 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-25 02:29:37,709 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-25 02:29:37,709 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-08-25 02:29:37,710 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-08-25 02:29:37,710 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-25 02:29:37,710 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-25 02:29:37,710 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of reach_error function -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of data races in concurrent programs -> true [2023-08-25 02:29:37,983 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-25 02:29:38,006 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-25 02:29:38,008 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-25 02:29:38,009 INFO L270 PluginConnector]: Initializing CDTParser... [2023-08-25 02:29:38,009 INFO L274 PluginConnector]: CDTParser initialized [2023-08-25 02:29:38,011 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-races/race-3_2b-container_of-global.i [2023-08-25 02:29:39,244 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-08-25 02:29:39,565 INFO L384 CDTParser]: Found 1 translation units. [2023-08-25 02:29:39,565 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-races/race-3_2b-container_of-global.i [2023-08-25 02:29:39,590 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2ad48bd07/0046a6c4ef324d638285318941378781/FLAG171facd50 [2023-08-25 02:29:39,607 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2ad48bd07/0046a6c4ef324d638285318941378781 [2023-08-25 02:29:39,610 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-25 02:29:39,611 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-08-25 02:29:39,612 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-25 02:29:39,612 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-25 02:29:39,614 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-25 02:29:39,614 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.08 02:29:39" (1/1) ... [2023-08-25 02:29:39,615 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1f9c9971 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 02:29:39, skipping insertion in model container [2023-08-25 02:29:39,615 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.08 02:29:39" (1/1) ... [2023-08-25 02:29:39,675 INFO L176 MainTranslator]: Built tables and reachable declarations [2023-08-25 02:29:40,383 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-25 02:29:40,394 INFO L201 MainTranslator]: Completed pre-run [2023-08-25 02:29:40,408 WARN L75 lationResultReporter]: Unsoundness Warning: unspecified type, defaulting to int C: short [237] [2023-08-25 02:29:40,409 WARN L75 lationResultReporter]: Unsoundness Warning: unspecified type, defaulting to int C: short [237] [2023-08-25 02:29:40,415 WARN L75 lationResultReporter]: Unsoundness Warning: unspecified type, defaulting to int C: unsigned short [729] [2023-08-25 02:29:40,428 WARN L75 lationResultReporter]: Unsoundness Warning: unspecified type, defaulting to int C: unsigned long [1709] [2023-08-25 02:29:40,442 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-25 02:29:40,555 INFO L206 MainTranslator]: Completed translation [2023-08-25 02:29:40,555 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 02:29:40 WrapperNode [2023-08-25 02:29:40,556 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-25 02:29:40,557 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-25 02:29:40,557 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-25 02:29:40,557 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-25 02:29:40,562 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 02:29:40" (1/1) ... [2023-08-25 02:29:40,594 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 02:29:40" (1/1) ... [2023-08-25 02:29:40,638 INFO L138 Inliner]: procedures = 481, calls = 46, calls flagged for inlining = 13, calls inlined = 18, statements flattened = 227 [2023-08-25 02:29:40,639 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-25 02:29:40,639 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-25 02:29:40,640 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-25 02:29:40,640 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-08-25 02:29:40,647 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 02:29:40" (1/1) ... [2023-08-25 02:29:40,648 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 02:29:40" (1/1) ... [2023-08-25 02:29:40,653 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 02:29:40" (1/1) ... [2023-08-25 02:29:40,653 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 02:29:40" (1/1) ... [2023-08-25 02:29:40,671 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 02:29:40" (1/1) ... [2023-08-25 02:29:40,674 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 02:29:40" (1/1) ... [2023-08-25 02:29:40,677 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 02:29:40" (1/1) ... [2023-08-25 02:29:40,679 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 02:29:40" (1/1) ... [2023-08-25 02:29:40,686 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-25 02:29:40,687 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-25 02:29:40,687 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-08-25 02:29:40,687 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-08-25 02:29:40,688 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 02:29:40" (1/1) ... [2023-08-25 02:29:40,699 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-25 02:29:40,716 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-25 02:29:40,734 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 02:29:40,757 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 02:29:40,770 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-25 02:29:40,770 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-08-25 02:29:40,770 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-25 02:29:40,771 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-08-25 02:29:40,771 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-25 02:29:40,771 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-25 02:29:40,771 INFO L130 BoogieDeclarations]: Found specification of procedure my_callback [2023-08-25 02:29:40,771 INFO L138 BoogieDeclarations]: Found implementation of procedure my_callback [2023-08-25 02:29:40,771 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-25 02:29:40,771 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-08-25 02:29:40,771 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-08-25 02:29:40,773 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 02:29:41,013 INFO L236 CfgBuilder]: Building ICFG [2023-08-25 02:29:41,015 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-25 02:29:41,354 INFO L277 CfgBuilder]: Performing block encoding [2023-08-25 02:29:41,362 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-25 02:29:41,363 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-08-25 02:29:41,365 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.08 02:29:41 BoogieIcfgContainer [2023-08-25 02:29:41,365 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-25 02:29:41,366 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-25 02:29:41,366 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-08-25 02:29:41,373 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-08-25 02:29:41,373 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.08 02:29:39" (1/3) ... [2023-08-25 02:29:41,374 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@53faa88f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.08 02:29:41, skipping insertion in model container [2023-08-25 02:29:41,374 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 02:29:40" (2/3) ... [2023-08-25 02:29:41,375 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@53faa88f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.08 02:29:41, skipping insertion in model container [2023-08-25 02:29:41,375 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.08 02:29:41" (3/3) ... [2023-08-25 02:29:41,376 INFO L112 eAbstractionObserver]: Analyzing ICFG race-3_2b-container_of-global.i [2023-08-25 02:29:41,389 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-25 02:29:41,390 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 23 error locations. [2023-08-25 02:29:41,390 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-25 02:29:41,489 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-08-25 02:29:41,531 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 323 places, 331 transitions, 678 flow [2023-08-25 02:29:41,665 INFO L124 PetriNetUnfolderBase]: 18/413 cut-off events. [2023-08-25 02:29:41,666 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2023-08-25 02:29:41,677 INFO L83 FinitePrefix]: Finished finitePrefix Result has 422 conditions, 413 events. 18/413 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 903 event pairs, 0 based on Foata normal form. 0/359 useless extension candidates. Maximal degree in co-relation 233. Up to 4 conditions per place. [2023-08-25 02:29:41,677 INFO L82 GeneralOperation]: Start removeDead. Operand has 323 places, 331 transitions, 678 flow [2023-08-25 02:29:41,684 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 321 places, 328 transitions, 668 flow [2023-08-25 02:29:41,686 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-08-25 02:29:41,695 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 321 places, 328 transitions, 668 flow [2023-08-25 02:29:41,697 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 321 places, 328 transitions, 668 flow [2023-08-25 02:29:41,697 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 321 places, 328 transitions, 668 flow [2023-08-25 02:29:41,789 INFO L124 PetriNetUnfolderBase]: 17/412 cut-off events. [2023-08-25 02:29:41,789 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2023-08-25 02:29:41,791 INFO L83 FinitePrefix]: Finished finitePrefix Result has 421 conditions, 412 events. 17/412 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 912 event pairs, 0 based on Foata normal form. 0/359 useless extension candidates. Maximal degree in co-relation 232. Up to 4 conditions per place. [2023-08-25 02:29:41,801 INFO L119 LiptonReduction]: Number of co-enabled transitions 16344 [2023-08-25 02:30:35,322 WARN L234 SmtUtils]: Spent 13.19s on a formula simplification. DAG size of input: 242 DAG size of output: 231 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-25 02:30:41,317 WARN L234 SmtUtils]: Spent 5.99s on a formula simplification that was a NOOP. DAG size: 213 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-25 02:30:46,710 INFO L134 LiptonReduction]: Checked pairs total: 136116 [2023-08-25 02:30:46,710 INFO L136 LiptonReduction]: Total number of compositions: 334 [2023-08-25 02:30:46,722 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-08-25 02:30:46,725 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;@21e07610, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-08-25 02:30:46,726 INFO L358 AbstractCegarLoop]: Starting to check reachability of 33 error locations. [2023-08-25 02:30:46,727 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-08-25 02:30:46,727 INFO L124 PetriNetUnfolderBase]: 0/0 cut-off events. [2023-08-25 02:30:46,727 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-08-25 02:30:46,727 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-25 02:30:46,727 INFO L208 CegarLoopForPetriNet]: trace histogram [1] [2023-08-25 02:30:46,728 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 30 more)] === [2023-08-25 02:30:46,731 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-25 02:30:46,732 INFO L85 PathProgramCache]: Analyzing trace with hash 1071, now seen corresponding path program 1 times [2023-08-25 02:30:46,740 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-25 02:30:46,740 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1074437816] [2023-08-25 02:30:46,740 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-25 02:30:46,741 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-25 02:30:46,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-25 02:30:46,940 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 02:30:46,946 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-25 02:30:46,947 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1074437816] [2023-08-25 02:30:46,948 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1074437816] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-25 02:30:46,948 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-25 02:30:46,948 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2023-08-25 02:30:46,949 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1159461292] [2023-08-25 02:30:46,950 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-25 02:30:46,956 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-08-25 02:30:46,961 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-25 02:30:46,980 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-08-25 02:30:46,981 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-08-25 02:30:46,984 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 309 out of 665 [2023-08-25 02:30:46,989 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 120 places, 118 transitions, 248 flow. Second operand has 2 states, 2 states have (on average 309.5) internal successors, (619), 2 states have internal predecessors, (619), 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 02:30:46,989 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-25 02:30:46,989 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 309 of 665 [2023-08-25 02:30:46,990 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-25 02:30:47,549 INFO L124 PetriNetUnfolderBase]: 1069/3345 cut-off events. [2023-08-25 02:30:47,549 INFO L125 PetriNetUnfolderBase]: For 29/29 co-relation queries the response was YES. [2023-08-25 02:30:47,556 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5123 conditions, 3345 events. 1069/3345 cut-off events. For 29/29 co-relation queries the response was YES. Maximal size of possible extension queue 131. Compared 28452 event pairs, 1068 based on Foata normal form. 150/3046 useless extension candidates. Maximal degree in co-relation 4927. Up to 1751 conditions per place. [2023-08-25 02:30:47,570 INFO L140 encePairwiseOnDemand]: 653/665 looper letters, 35 selfloop transitions, 0 changer transitions 0/105 dead transitions. [2023-08-25 02:30:47,571 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 111 places, 105 transitions, 292 flow [2023-08-25 02:30:47,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-08-25 02:30:47,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2023-08-25 02:30:47,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 665 transitions. [2023-08-25 02:30:47,585 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5 [2023-08-25 02:30:47,585 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 665 transitions. [2023-08-25 02:30:47,586 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 665 transitions. [2023-08-25 02:30:47,588 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-25 02:30:47,589 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 665 transitions. [2023-08-25 02:30:47,594 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 332.5) internal successors, (665), 2 states have internal predecessors, (665), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 02:30:47,598 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 665.0) internal successors, (1995), 3 states have internal predecessors, (1995), 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 02:30:47,599 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 665.0) internal successors, (1995), 3 states have internal predecessors, (1995), 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 02:30:47,601 INFO L175 Difference]: Start difference. First operand has 120 places, 118 transitions, 248 flow. Second operand 2 states and 665 transitions. [2023-08-25 02:30:47,601 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 111 places, 105 transitions, 292 flow [2023-08-25 02:30:47,604 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 107 places, 105 transitions, 284 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-08-25 02:30:47,607 INFO L231 Difference]: Finished difference. Result has 107 places, 105 transitions, 214 flow [2023-08-25 02:30:47,608 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=665, PETRI_DIFFERENCE_MINUEND_FLOW=214, PETRI_DIFFERENCE_MINUEND_PLACES=106, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=105, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=105, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=214, PETRI_PLACES=107, PETRI_TRANSITIONS=105} [2023-08-25 02:30:47,612 INFO L281 CegarLoopForPetriNet]: 120 programPoint places, -13 predicate places. [2023-08-25 02:30:47,613 INFO L495 AbstractCegarLoop]: Abstraction has has 107 places, 105 transitions, 214 flow [2023-08-25 02:30:47,613 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 309.5) internal successors, (619), 2 states have internal predecessors, (619), 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 02:30:47,613 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-25 02:30:47,614 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1] [2023-08-25 02:30:47,614 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-08-25 02:30:47,614 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting my_callbackErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 30 more)] === [2023-08-25 02:30:47,615 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-25 02:30:47,615 INFO L85 PathProgramCache]: Analyzing trace with hash 33566382, now seen corresponding path program 1 times [2023-08-25 02:30:47,615 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-25 02:30:47,615 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1662771005] [2023-08-25 02:30:47,615 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-25 02:30:47,615 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-25 02:30:47,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-25 02:30:47,788 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 02:30:47,789 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-25 02:30:47,789 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1662771005] [2023-08-25 02:30:47,789 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1662771005] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-25 02:30:47,789 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-25 02:30:47,789 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-25 02:30:47,789 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [737203643] [2023-08-25 02:30:47,790 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-25 02:30:47,790 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-25 02:30:47,791 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-25 02:30:47,791 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-25 02:30:47,791 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-25 02:30:47,792 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 300 out of 665 [2023-08-25 02:30:47,793 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 107 places, 105 transitions, 214 flow. Second operand has 3 states, 3 states have (on average 301.3333333333333) internal successors, (904), 3 states have internal predecessors, (904), 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 02:30:47,793 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-25 02:30:47,793 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 300 of 665 [2023-08-25 02:30:47,793 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-25 02:30:48,323 INFO L124 PetriNetUnfolderBase]: 1068/3681 cut-off events. [2023-08-25 02:30:48,324 INFO L125 PetriNetUnfolderBase]: For 7/7 co-relation queries the response was YES. [2023-08-25 02:30:48,328 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5451 conditions, 3681 events. 1068/3681 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 141. Compared 32925 event pairs, 402 based on Foata normal form. 0/3084 useless extension candidates. Maximal degree in co-relation 5448. Up to 1731 conditions per place. [2023-08-25 02:30:48,341 INFO L140 encePairwiseOnDemand]: 661/665 looper letters, 49 selfloop transitions, 2 changer transitions 0/119 dead transitions. [2023-08-25 02:30:48,341 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 107 places, 119 transitions, 345 flow [2023-08-25 02:30:48,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-25 02:30:48,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-25 02:30:48,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 953 transitions. [2023-08-25 02:30:48,345 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.47769423558897245 [2023-08-25 02:30:48,345 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 953 transitions. [2023-08-25 02:30:48,346 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 953 transitions. [2023-08-25 02:30:48,346 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-25 02:30:48,346 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 953 transitions. [2023-08-25 02:30:48,348 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 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 02:30:48,353 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 665.0) internal successors, (2660), 4 states have internal predecessors, (2660), 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 02:30:48,354 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 665.0) internal successors, (2660), 4 states have internal predecessors, (2660), 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 02:30:48,354 INFO L175 Difference]: Start difference. First operand has 107 places, 105 transitions, 214 flow. Second operand 3 states and 953 transitions. [2023-08-25 02:30:48,354 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 107 places, 119 transitions, 345 flow [2023-08-25 02:30:48,355 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 107 places, 119 transitions, 345 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-25 02:30:48,358 INFO L231 Difference]: Finished difference. Result has 108 places, 105 transitions, 224 flow [2023-08-25 02:30:48,358 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=665, PETRI_DIFFERENCE_MINUEND_FLOW=210, PETRI_DIFFERENCE_MINUEND_PLACES=105, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=103, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=101, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=224, PETRI_PLACES=108, PETRI_TRANSITIONS=105} [2023-08-25 02:30:48,359 INFO L281 CegarLoopForPetriNet]: 120 programPoint places, -12 predicate places. [2023-08-25 02:30:48,360 INFO L495 AbstractCegarLoop]: Abstraction has has 108 places, 105 transitions, 224 flow [2023-08-25 02:30:48,361 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 301.3333333333333) internal successors, (904), 3 states have internal predecessors, (904), 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 02:30:48,361 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-25 02:30:48,361 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2023-08-25 02:30:48,364 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-08-25 02:30:48,364 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 30 more)] === [2023-08-25 02:30:48,367 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-25 02:30:48,371 INFO L85 PathProgramCache]: Analyzing trace with hash -348270954, now seen corresponding path program 1 times [2023-08-25 02:30:48,371 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-25 02:30:48,371 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1235251416] [2023-08-25 02:30:48,372 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-25 02:30:48,372 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-25 02:30:48,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-25 02:30:48,491 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 02:30:48,492 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-25 02:30:48,492 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1235251416] [2023-08-25 02:30:48,492 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1235251416] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-25 02:30:48,492 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-25 02:30:48,492 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-25 02:30:48,492 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1841328951] [2023-08-25 02:30:48,493 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-25 02:30:48,493 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-25 02:30:48,493 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-25 02:30:48,493 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-25 02:30:48,494 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-25 02:30:48,495 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 303 out of 665 [2023-08-25 02:30:48,496 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 108 places, 105 transitions, 224 flow. Second operand has 3 states, 3 states have (on average 303.6666666666667) internal successors, (911), 3 states have internal predecessors, (911), 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 02:30:48,496 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-25 02:30:48,496 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 303 of 665 [2023-08-25 02:30:48,496 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-25 02:30:49,043 INFO L124 PetriNetUnfolderBase]: 1068/3411 cut-off events. [2023-08-25 02:30:49,044 INFO L125 PetriNetUnfolderBase]: For 188/188 co-relation queries the response was YES. [2023-08-25 02:30:49,049 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5395 conditions, 3411 events. 1068/3411 cut-off events. For 188/188 co-relation queries the response was YES. Maximal size of possible extension queue 130. Compared 29059 event pairs, 990 based on Foata normal form. 0/2953 useless extension candidates. Maximal degree in co-relation 5391. Up to 1749 conditions per place. [2023-08-25 02:30:49,060 INFO L140 encePairwiseOnDemand]: 662/665 looper letters, 44 selfloop transitions, 1 changer transitions 2/115 dead transitions. [2023-08-25 02:30:49,060 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 110 places, 115 transitions, 338 flow [2023-08-25 02:30:49,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-25 02:30:49,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-25 02:30:49,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 955 transitions. [2023-08-25 02:30:49,063 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.47869674185463656 [2023-08-25 02:30:49,063 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 955 transitions. [2023-08-25 02:30:49,064 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 955 transitions. [2023-08-25 02:30:49,064 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-25 02:30:49,064 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 955 transitions. [2023-08-25 02:30:49,066 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 318.3333333333333) internal successors, (955), 3 states have internal predecessors, (955), 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 02:30:49,069 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 665.0) internal successors, (2660), 4 states have internal predecessors, (2660), 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 02:30:49,070 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 665.0) internal successors, (2660), 4 states have internal predecessors, (2660), 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 02:30:49,070 INFO L175 Difference]: Start difference. First operand has 108 places, 105 transitions, 224 flow. Second operand 3 states and 955 transitions. [2023-08-25 02:30:49,071 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 110 places, 115 transitions, 338 flow [2023-08-25 02:30:49,072 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 110 places, 115 transitions, 338 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-25 02:30:49,073 INFO L231 Difference]: Finished difference. Result has 111 places, 105 transitions, 231 flow [2023-08-25 02:30:49,073 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=665, PETRI_DIFFERENCE_MINUEND_FLOW=224, PETRI_DIFFERENCE_MINUEND_PLACES=108, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=105, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=104, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=231, PETRI_PLACES=111, PETRI_TRANSITIONS=105} [2023-08-25 02:30:49,074 INFO L281 CegarLoopForPetriNet]: 120 programPoint places, -9 predicate places. [2023-08-25 02:30:49,074 INFO L495 AbstractCegarLoop]: Abstraction has has 111 places, 105 transitions, 231 flow [2023-08-25 02:30:49,075 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 303.6666666666667) internal successors, (911), 3 states have internal predecessors, (911), 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 02:30:49,075 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-25 02:30:49,075 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2023-08-25 02:30:49,075 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-08-25 02:30:49,075 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 30 more)] === [2023-08-25 02:30:49,076 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-25 02:30:49,076 INFO L85 PathProgramCache]: Analyzing trace with hash -1171172807, now seen corresponding path program 1 times [2023-08-25 02:30:49,076 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-25 02:30:49,076 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1173101239] [2023-08-25 02:30:49,076 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-25 02:30:49,076 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-25 02:30:49,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-25 02:30:49,458 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 02:30:49,458 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-25 02:30:49,458 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1173101239] [2023-08-25 02:30:49,458 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1173101239] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-25 02:30:49,458 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-25 02:30:49,458 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-25 02:30:49,459 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [422672765] [2023-08-25 02:30:49,459 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-25 02:30:49,459 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-25 02:30:49,459 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-25 02:30:49,460 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-25 02:30:49,460 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-25 02:30:49,461 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 186 out of 665 [2023-08-25 02:30:49,462 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 111 places, 105 transitions, 231 flow. Second operand has 6 states, 6 states have (on average 187.16666666666666) internal successors, (1123), 6 states have internal predecessors, (1123), 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 02:30:49,462 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-25 02:30:49,462 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 186 of 665 [2023-08-25 02:30:49,462 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-25 02:30:54,740 INFO L124 PetriNetUnfolderBase]: 45040/69887 cut-off events. [2023-08-25 02:30:54,740 INFO L125 PetriNetUnfolderBase]: For 2553/2553 co-relation queries the response was YES. [2023-08-25 02:30:54,825 INFO L83 FinitePrefix]: Finished finitePrefix Result has 142128 conditions, 69887 events. 45040/69887 cut-off events. For 2553/2553 co-relation queries the response was YES. Maximal size of possible extension queue 874. Compared 483656 event pairs, 36276 based on Foata normal form. 0/59854 useless extension candidates. Maximal degree in co-relation 142122. Up to 63575 conditions per place. [2023-08-25 02:30:55,070 INFO L140 encePairwiseOnDemand]: 633/665 looper letters, 188 selfloop transitions, 103 changer transitions 0/294 dead transitions. [2023-08-25 02:30:55,070 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 116 places, 294 transitions, 1231 flow [2023-08-25 02:30:55,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-25 02:30:55,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-25 02:30:55,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1398 transitions. [2023-08-25 02:30:55,075 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.35037593984962406 [2023-08-25 02:30:55,075 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1398 transitions. [2023-08-25 02:30:55,075 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1398 transitions. [2023-08-25 02:30:55,076 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-25 02:30:55,076 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1398 transitions. [2023-08-25 02:30:55,079 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 233.0) internal successors, (1398), 6 states have internal predecessors, (1398), 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 02:30:55,084 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 665.0) internal successors, (4655), 7 states have internal predecessors, (4655), 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 02:30:55,086 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 665.0) internal successors, (4655), 7 states have internal predecessors, (4655), 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 02:30:55,086 INFO L175 Difference]: Start difference. First operand has 111 places, 105 transitions, 231 flow. Second operand 6 states and 1398 transitions. [2023-08-25 02:30:55,086 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 116 places, 294 transitions, 1231 flow [2023-08-25 02:30:55,206 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 115 places, 294 transitions, 1230 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-08-25 02:30:55,209 INFO L231 Difference]: Finished difference. Result has 120 places, 206 transitions, 904 flow [2023-08-25 02:30:55,209 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=665, PETRI_DIFFERENCE_MINUEND_FLOW=230, PETRI_DIFFERENCE_MINUEND_PLACES=110, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=105, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=26, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=74, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=904, PETRI_PLACES=120, PETRI_TRANSITIONS=206} [2023-08-25 02:30:55,210 INFO L281 CegarLoopForPetriNet]: 120 programPoint places, 0 predicate places. [2023-08-25 02:30:55,210 INFO L495 AbstractCegarLoop]: Abstraction has has 120 places, 206 transitions, 904 flow [2023-08-25 02:30:55,211 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 187.16666666666666) internal successors, (1123), 6 states have internal predecessors, (1123), 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 02:30:55,211 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-25 02:30:55,211 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-25 02:30:55,211 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-08-25 02:30:55,211 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting my_callbackErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 30 more)] === [2023-08-25 02:30:55,212 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-25 02:30:55,212 INFO L85 PathProgramCache]: Analyzing trace with hash -625775896, now seen corresponding path program 1 times [2023-08-25 02:30:55,212 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-25 02:30:55,212 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1071133644] [2023-08-25 02:30:55,212 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-25 02:30:55,212 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-25 02:30:55,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-25 02:30:55,521 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 02:30:55,521 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-25 02:30:55,521 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1071133644] [2023-08-25 02:30:55,522 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1071133644] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-25 02:30:55,522 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-25 02:30:55,522 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-25 02:30:55,522 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1130317578] [2023-08-25 02:30:55,522 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-25 02:30:55,522 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-25 02:30:55,523 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-25 02:30:55,523 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-25 02:30:55,523 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-25 02:30:55,524 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 194 out of 665 [2023-08-25 02:30:55,526 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 120 places, 206 transitions, 904 flow. Second operand has 6 states, 6 states have (on average 195.66666666666666) internal successors, (1174), 6 states have internal predecessors, (1174), 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 02:30:55,529 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-25 02:30:55,529 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 194 of 665 [2023-08-25 02:30:55,529 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-25 02:31:02,131 INFO L124 PetriNetUnfolderBase]: 56084/86463 cut-off events. [2023-08-25 02:31:02,132 INFO L125 PetriNetUnfolderBase]: For 26891/26999 co-relation queries the response was YES. [2023-08-25 02:31:02,273 INFO L83 FinitePrefix]: Finished finitePrefix Result has 220864 conditions, 86463 events. 56084/86463 cut-off events. For 26891/26999 co-relation queries the response was YES. Maximal size of possible extension queue 1076. Compared 609757 event pairs, 34786 based on Foata normal form. 0/75344 useless extension candidates. Maximal degree in co-relation 220854. Up to 75579 conditions per place. [2023-08-25 02:31:02,569 INFO L140 encePairwiseOnDemand]: 626/665 looper letters, 328 selfloop transitions, 228 changer transitions 0/558 dead transitions. [2023-08-25 02:31:02,570 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 125 places, 558 transitions, 3300 flow [2023-08-25 02:31:02,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-25 02:31:02,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-25 02:31:02,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1523 transitions. [2023-08-25 02:31:02,575 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.38170426065162905 [2023-08-25 02:31:02,576 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1523 transitions. [2023-08-25 02:31:02,576 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1523 transitions. [2023-08-25 02:31:02,577 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-25 02:31:02,577 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1523 transitions. [2023-08-25 02:31:02,580 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 253.83333333333334) internal successors, (1523), 6 states have internal predecessors, (1523), 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 02:31:02,586 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 665.0) internal successors, (4655), 7 states have internal predecessors, (4655), 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 02:31:02,588 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 665.0) internal successors, (4655), 7 states have internal predecessors, (4655), 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 02:31:02,588 INFO L175 Difference]: Start difference. First operand has 120 places, 206 transitions, 904 flow. Second operand 6 states and 1523 transitions. [2023-08-25 02:31:02,589 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 125 places, 558 transitions, 3300 flow [2023-08-25 02:31:02,776 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 125 places, 558 transitions, 3300 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-25 02:31:02,781 INFO L231 Difference]: Finished difference. Result has 130 places, 429 transitions, 2948 flow [2023-08-25 02:31:02,782 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=665, PETRI_DIFFERENCE_MINUEND_FLOW=904, PETRI_DIFFERENCE_MINUEND_PLACES=120, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=206, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=49, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=110, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=2948, PETRI_PLACES=130, PETRI_TRANSITIONS=429} [2023-08-25 02:31:02,782 INFO L281 CegarLoopForPetriNet]: 120 programPoint places, 10 predicate places. [2023-08-25 02:31:02,783 INFO L495 AbstractCegarLoop]: Abstraction has has 130 places, 429 transitions, 2948 flow [2023-08-25 02:31:02,783 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 195.66666666666666) internal successors, (1174), 6 states have internal predecessors, (1174), 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 02:31:02,784 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-25 02:31:02,784 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-25 02:31:02,784 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-08-25 02:31:02,784 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 30 more)] === [2023-08-25 02:31:02,784 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-25 02:31:02,785 INFO L85 PathProgramCache]: Analyzing trace with hash -1062120435, now seen corresponding path program 1 times [2023-08-25 02:31:02,785 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-25 02:31:02,785 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1075016429] [2023-08-25 02:31:02,785 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-25 02:31:02,785 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-25 02:31:02,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-25 02:31:03,147 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 02:31:03,148 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-25 02:31:03,148 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1075016429] [2023-08-25 02:31:03,148 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1075016429] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-25 02:31:03,148 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-25 02:31:03,148 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-25 02:31:03,149 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1732097155] [2023-08-25 02:31:03,152 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-25 02:31:03,152 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-25 02:31:03,153 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-25 02:31:03,154 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-25 02:31:03,155 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-25 02:31:03,156 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 197 out of 665 [2023-08-25 02:31:03,158 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 130 places, 429 transitions, 2948 flow. Second operand has 6 states, 6 states have (on average 198.83333333333334) internal successors, (1193), 6 states have internal predecessors, (1193), 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 02:31:03,158 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-25 02:31:03,158 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 197 of 665 [2023-08-25 02:31:03,158 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-25 02:31:11,370 INFO L124 PetriNetUnfolderBase]: 58878/91698 cut-off events. [2023-08-25 02:31:11,370 INFO L125 PetriNetUnfolderBase]: For 82466/82582 co-relation queries the response was YES. [2023-08-25 02:31:11,583 INFO L83 FinitePrefix]: Finished finitePrefix Result has 289479 conditions, 91698 events. 58878/91698 cut-off events. For 82466/82582 co-relation queries the response was YES. Maximal size of possible extension queue 1205. Compared 668142 event pairs, 34336 based on Foata normal form. 0/81195 useless extension candidates. Maximal degree in co-relation 289464. Up to 83259 conditions per place. [2023-08-25 02:31:12,019 INFO L140 encePairwiseOnDemand]: 642/665 looper letters, 585 selfloop transitions, 136 changer transitions 0/724 dead transitions. [2023-08-25 02:31:12,020 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 135 places, 724 transitions, 5944 flow [2023-08-25 02:31:12,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-25 02:31:12,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-25 02:31:12,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1475 transitions. [2023-08-25 02:31:12,025 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.36967418546365916 [2023-08-25 02:31:12,025 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1475 transitions. [2023-08-25 02:31:12,025 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1475 transitions. [2023-08-25 02:31:12,025 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-25 02:31:12,025 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1475 transitions. [2023-08-25 02:31:12,028 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 245.83333333333334) internal successors, (1475), 6 states have internal predecessors, (1475), 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 02:31:12,032 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 665.0) internal successors, (4655), 7 states have internal predecessors, (4655), 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 02:31:12,033 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 665.0) internal successors, (4655), 7 states have internal predecessors, (4655), 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 02:31:12,034 INFO L175 Difference]: Start difference. First operand has 130 places, 429 transitions, 2948 flow. Second operand 6 states and 1475 transitions. [2023-08-25 02:31:12,034 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 135 places, 724 transitions, 5944 flow [2023-08-25 02:31:12,537 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 135 places, 724 transitions, 5926 flow, removed 9 selfloop flow, removed 0 redundant places. [2023-08-25 02:31:12,547 INFO L231 Difference]: Finished difference. Result has 140 places, 560 transitions, 4464 flow [2023-08-25 02:31:12,547 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=665, PETRI_DIFFERENCE_MINUEND_FLOW=2930, PETRI_DIFFERENCE_MINUEND_PLACES=130, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=429, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=29, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=365, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=4464, PETRI_PLACES=140, PETRI_TRANSITIONS=560} [2023-08-25 02:31:12,548 INFO L281 CegarLoopForPetriNet]: 120 programPoint places, 20 predicate places. [2023-08-25 02:31:12,548 INFO L495 AbstractCegarLoop]: Abstraction has has 140 places, 560 transitions, 4464 flow [2023-08-25 02:31:12,549 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 198.83333333333334) internal successors, (1193), 6 states have internal predecessors, (1193), 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 02:31:12,549 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-25 02:31:12,549 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-25 02:31:12,549 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-08-25 02:31:12,549 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting my_callbackErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 30 more)] === [2023-08-25 02:31:12,549 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-25 02:31:12,549 INFO L85 PathProgramCache]: Analyzing trace with hash 1706353690, now seen corresponding path program 1 times [2023-08-25 02:31:12,550 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-25 02:31:12,550 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1184142477] [2023-08-25 02:31:12,550 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-25 02:31:12,550 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-25 02:31:12,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-25 02:31:12,823 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 02:31:12,824 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-25 02:31:12,824 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1184142477] [2023-08-25 02:31:12,824 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1184142477] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-25 02:31:12,824 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-25 02:31:12,825 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-25 02:31:12,825 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [813971763] [2023-08-25 02:31:12,825 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-25 02:31:12,825 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-25 02:31:12,826 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-25 02:31:12,826 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-25 02:31:12,826 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-25 02:31:12,827 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 194 out of 665 [2023-08-25 02:31:12,829 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 140 places, 560 transitions, 4464 flow. Second operand has 6 states, 6 states have (on average 196.0) internal successors, (1176), 6 states have internal predecessors, (1176), 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 02:31:12,829 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-25 02:31:12,829 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 194 of 665 [2023-08-25 02:31:12,829 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-25 02:31:24,460 INFO L124 PetriNetUnfolderBase]: 71582/110386 cut-off events. [2023-08-25 02:31:24,461 INFO L125 PetriNetUnfolderBase]: For 143074/143239 co-relation queries the response was YES. [2023-08-25 02:31:24,822 INFO L83 FinitePrefix]: Finished finitePrefix Result has 384985 conditions, 110386 events. 71582/110386 cut-off events. For 143074/143239 co-relation queries the response was YES. Maximal size of possible extension queue 1429. Compared 812320 event pairs, 33831 based on Foata normal form. 10/99346 useless extension candidates. Maximal degree in co-relation 384965. Up to 98138 conditions per place. [2023-08-25 02:31:25,213 INFO L140 encePairwiseOnDemand]: 622/665 looper letters, 674 selfloop transitions, 492 changer transitions 0/1168 dead transitions. [2023-08-25 02:31:25,213 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 145 places, 1168 transitions, 10364 flow [2023-08-25 02:31:25,214 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-25 02:31:25,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-25 02:31:25,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1547 transitions. [2023-08-25 02:31:25,218 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.387719298245614 [2023-08-25 02:31:25,218 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1547 transitions. [2023-08-25 02:31:25,218 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1547 transitions. [2023-08-25 02:31:25,219 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-25 02:31:25,219 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1547 transitions. [2023-08-25 02:31:25,222 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 257.8333333333333) internal successors, (1547), 6 states have internal predecessors, (1547), 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 02:31:25,227 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 665.0) internal successors, (4655), 7 states have internal predecessors, (4655), 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 02:31:25,227 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 665.0) internal successors, (4655), 7 states have internal predecessors, (4655), 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 02:31:25,227 INFO L175 Difference]: Start difference. First operand has 140 places, 560 transitions, 4464 flow. Second operand 6 states and 1547 transitions. [2023-08-25 02:31:25,228 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 145 places, 1168 transitions, 10364 flow [2023-08-25 02:31:26,338 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 145 places, 1168 transitions, 10328 flow, removed 18 selfloop flow, removed 0 redundant places. [2023-08-25 02:31:26,349 INFO L231 Difference]: Finished difference. Result has 150 places, 1025 transitions, 10000 flow [2023-08-25 02:31:26,350 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=665, PETRI_DIFFERENCE_MINUEND_FLOW=4446, PETRI_DIFFERENCE_MINUEND_PLACES=140, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=560, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=103, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=296, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=10000, PETRI_PLACES=150, PETRI_TRANSITIONS=1025} [2023-08-25 02:31:26,350 INFO L281 CegarLoopForPetriNet]: 120 programPoint places, 30 predicate places. [2023-08-25 02:31:26,351 INFO L495 AbstractCegarLoop]: Abstraction has has 150 places, 1025 transitions, 10000 flow [2023-08-25 02:31:26,351 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 196.0) internal successors, (1176), 6 states have internal predecessors, (1176), 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 02:31:26,351 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-25 02:31:26,351 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-25 02:31:26,351 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-08-25 02:31:26,352 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 30 more)] === [2023-08-25 02:31:26,352 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-25 02:31:26,352 INFO L85 PathProgramCache]: Analyzing trace with hash -1542177766, now seen corresponding path program 1 times [2023-08-25 02:31:26,352 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-25 02:31:26,352 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [863457701] [2023-08-25 02:31:26,352 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-25 02:31:26,353 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-25 02:31:26,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-25 02:31:26,598 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 02:31:26,599 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-25 02:31:26,599 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [863457701] [2023-08-25 02:31:26,599 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [863457701] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-25 02:31:26,599 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-25 02:31:26,599 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-25 02:31:26,599 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1715945544] [2023-08-25 02:31:26,599 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-25 02:31:26,600 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-25 02:31:26,600 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-25 02:31:26,600 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-25 02:31:26,600 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-25 02:31:26,601 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 186 out of 665 [2023-08-25 02:31:26,602 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 150 places, 1025 transitions, 10000 flow. Second operand has 6 states, 6 states have (on average 188.16666666666666) internal successors, (1129), 6 states have internal predecessors, (1129), 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 02:31:26,602 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-25 02:31:26,602 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 186 of 665 [2023-08-25 02:31:26,602 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-25 02:31:42,363 INFO L124 PetriNetUnfolderBase]: 74560/115873 cut-off events. [2023-08-25 02:31:42,364 INFO L125 PetriNetUnfolderBase]: For 267564/267740 co-relation queries the response was YES. [2023-08-25 02:31:42,804 INFO L83 FinitePrefix]: Finished finitePrefix Result has 470490 conditions, 115873 events. 74560/115873 cut-off events. For 267564/267740 co-relation queries the response was YES. Maximal size of possible extension queue 1587. Compared 872793 event pairs, 32658 based on Foata normal form. 0/105859 useless extension candidates. Maximal degree in co-relation 470465. Up to 107800 conditions per place. [2023-08-25 02:31:43,219 INFO L140 encePairwiseOnDemand]: 634/665 looper letters, 1104 selfloop transitions, 306 changer transitions 0/1413 dead transitions. [2023-08-25 02:31:43,220 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 155 places, 1413 transitions, 15886 flow [2023-08-25 02:31:43,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-25 02:31:43,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-25 02:31:43,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1398 transitions. [2023-08-25 02:31:43,224 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.35037593984962406 [2023-08-25 02:31:43,224 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1398 transitions. [2023-08-25 02:31:43,224 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1398 transitions. [2023-08-25 02:31:43,225 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-25 02:31:43,225 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1398 transitions. [2023-08-25 02:31:43,227 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 233.0) internal successors, (1398), 6 states have internal predecessors, (1398), 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 02:31:43,231 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 665.0) internal successors, (4655), 7 states have internal predecessors, (4655), 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 02:31:43,232 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 665.0) internal successors, (4655), 7 states have internal predecessors, (4655), 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 02:31:43,233 INFO L175 Difference]: Start difference. First operand has 150 places, 1025 transitions, 10000 flow. Second operand 6 states and 1398 transitions. [2023-08-25 02:31:43,233 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 155 places, 1413 transitions, 15886 flow [2023-08-25 02:31:45,767 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 155 places, 1413 transitions, 15742 flow, removed 72 selfloop flow, removed 0 redundant places. [2023-08-25 02:31:45,782 INFO L231 Difference]: Finished difference. Result has 160 places, 1315 transitions, 14104 flow [2023-08-25 02:31:45,783 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=665, PETRI_DIFFERENCE_MINUEND_FLOW=9874, PETRI_DIFFERENCE_MINUEND_PLACES=150, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1025, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=64, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=863, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=14104, PETRI_PLACES=160, PETRI_TRANSITIONS=1315} [2023-08-25 02:31:45,784 INFO L281 CegarLoopForPetriNet]: 120 programPoint places, 40 predicate places. [2023-08-25 02:31:45,784 INFO L495 AbstractCegarLoop]: Abstraction has has 160 places, 1315 transitions, 14104 flow [2023-08-25 02:31:45,785 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 188.16666666666666) internal successors, (1129), 6 states have internal predecessors, (1129), 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 02:31:45,785 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-25 02:31:45,785 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-25 02:31:45,785 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-08-25 02:31:45,786 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 30 more)] === [2023-08-25 02:31:45,786 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-25 02:31:45,786 INFO L85 PathProgramCache]: Analyzing trace with hash -1441713959, now seen corresponding path program 1 times [2023-08-25 02:31:45,786 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-25 02:31:45,786 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1029099291] [2023-08-25 02:31:45,786 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-25 02:31:45,786 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-25 02:31:45,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-25 02:31:45,869 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 02:31:45,870 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-25 02:31:45,870 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1029099291] [2023-08-25 02:31:45,870 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1029099291] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-25 02:31:45,871 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-25 02:31:45,871 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-08-25 02:31:45,872 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2135461753] [2023-08-25 02:31:45,872 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-25 02:31:45,872 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-25 02:31:45,872 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-25 02:31:45,872 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-25 02:31:45,873 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-25 02:31:45,873 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 303 out of 665 [2023-08-25 02:31:45,874 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 160 places, 1315 transitions, 14104 flow. Second operand has 3 states, 3 states have (on average 306.0) internal successors, (918), 3 states have internal predecessors, (918), 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 02:31:45,874 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-25 02:31:45,874 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 303 of 665 [2023-08-25 02:31:45,874 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-25 02:31:48,006 INFO L124 PetriNetUnfolderBase]: 7792/15196 cut-off events. [2023-08-25 02:31:48,006 INFO L125 PetriNetUnfolderBase]: For 39832/41113 co-relation queries the response was YES. [2023-08-25 02:31:48,044 INFO L83 FinitePrefix]: Finished finitePrefix Result has 65840 conditions, 15196 events. 7792/15196 cut-off events. For 39832/41113 co-relation queries the response was YES. Maximal size of possible extension queue 423. Compared 120737 event pairs, 913 based on Foata normal form. 176/14708 useless extension candidates. Maximal degree in co-relation 65810. Up to 7242 conditions per place. [2023-08-25 02:31:48,101 INFO L140 encePairwiseOnDemand]: 662/665 looper letters, 98 selfloop transitions, 1 changer transitions 3/525 dead transitions. [2023-08-25 02:31:48,102 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 160 places, 525 transitions, 5470 flow [2023-08-25 02:31:48,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-25 02:31:48,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-25 02:31:48,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 965 transitions. [2023-08-25 02:31:48,104 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.48370927318295737 [2023-08-25 02:31:48,104 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 965 transitions. [2023-08-25 02:31:48,104 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 965 transitions. [2023-08-25 02:31:48,105 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-25 02:31:48,105 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 965 transitions. [2023-08-25 02:31:48,107 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 321.6666666666667) internal successors, (965), 3 states have internal predecessors, (965), 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 02:31:48,109 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 665.0) internal successors, (2660), 4 states have internal predecessors, (2660), 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 02:31:48,110 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 665.0) internal successors, (2660), 4 states have internal predecessors, (2660), 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 02:31:48,110 INFO L175 Difference]: Start difference. First operand has 160 places, 1315 transitions, 14104 flow. Second operand 3 states and 965 transitions. [2023-08-25 02:31:48,110 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 160 places, 525 transitions, 5470 flow [2023-08-25 02:31:48,272 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 142 places, 525 transitions, 4635 flow, removed 392 selfloop flow, removed 18 redundant places. [2023-08-25 02:31:48,279 INFO L231 Difference]: Finished difference. Result has 143 places, 491 transitions, 4277 flow [2023-08-25 02:31:48,279 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=665, PETRI_DIFFERENCE_MINUEND_FLOW=4278, PETRI_DIFFERENCE_MINUEND_PLACES=140, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=493, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=492, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=4277, PETRI_PLACES=143, PETRI_TRANSITIONS=491} [2023-08-25 02:31:48,280 INFO L281 CegarLoopForPetriNet]: 120 programPoint places, 23 predicate places. [2023-08-25 02:31:48,280 INFO L495 AbstractCegarLoop]: Abstraction has has 143 places, 491 transitions, 4277 flow [2023-08-25 02:31:48,281 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 306.0) internal successors, (918), 3 states have internal predecessors, (918), 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 02:31:48,281 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-25 02:31:48,281 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-25 02:31:48,281 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-08-25 02:31:48,281 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting my_callbackErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 30 more)] === [2023-08-25 02:31:48,281 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-25 02:31:48,281 INFO L85 PathProgramCache]: Analyzing trace with hash -1635806393, now seen corresponding path program 1 times [2023-08-25 02:31:48,282 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-25 02:31:48,282 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [990733706] [2023-08-25 02:31:48,282 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-25 02:31:48,282 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-25 02:31:48,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-08-25 02:31:48,315 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-08-25 02:31:48,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-08-25 02:31:48,367 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-08-25 02:31:48,368 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-08-25 02:31:48,372 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location my_callbackErr1ASSERT_VIOLATIONDATA_RACE (32 of 33 remaining) [2023-08-25 02:31:48,374 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (31 of 33 remaining) [2023-08-25 02:31:48,375 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (30 of 33 remaining) [2023-08-25 02:31:48,378 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (29 of 33 remaining) [2023-08-25 02:31:48,378 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONASSERT (28 of 33 remaining) [2023-08-25 02:31:48,378 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (27 of 33 remaining) [2023-08-25 02:31:48,378 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONASSERT (26 of 33 remaining) [2023-08-25 02:31:48,378 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (25 of 33 remaining) [2023-08-25 02:31:48,378 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE (24 of 33 remaining) [2023-08-25 02:31:48,378 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (23 of 33 remaining) [2023-08-25 02:31:48,379 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE (22 of 33 remaining) [2023-08-25 02:31:48,379 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (21 of 33 remaining) [2023-08-25 02:31:48,379 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE (20 of 33 remaining) [2023-08-25 02:31:48,379 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr16ASSERT_VIOLATIONASSERT (19 of 33 remaining) [2023-08-25 02:31:48,379 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (18 of 33 remaining) [2023-08-25 02:31:48,379 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr17ASSERT_VIOLATIONDATA_RACE (17 of 33 remaining) [2023-08-25 02:31:48,379 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr10ASSERT_VIOLATIONASSERT (16 of 33 remaining) [2023-08-25 02:31:48,379 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr18ASSERT_VIOLATIONASSERT (15 of 33 remaining) [2023-08-25 02:31:48,379 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (14 of 33 remaining) [2023-08-25 02:31:48,380 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr12ASSERT_VIOLATIONASSERT (13 of 33 remaining) [2023-08-25 02:31:48,380 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (12 of 33 remaining) [2023-08-25 02:31:48,380 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (11 of 33 remaining) [2023-08-25 02:31:48,380 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location my_callbackErr0ASSERT_VIOLATIONDATA_RACE (10 of 33 remaining) [2023-08-25 02:31:48,380 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location my_callbackErr1ASSERT_VIOLATIONDATA_RACE (9 of 33 remaining) [2023-08-25 02:31:48,380 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location my_callbackErr2ASSERT_VIOLATIONDATA_RACE (8 of 33 remaining) [2023-08-25 02:31:48,380 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location my_callbackErr3ASSERT_VIOLATIONDATA_RACE (7 of 33 remaining) [2023-08-25 02:31:48,380 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location my_callbackErr0ASSERT_VIOLATIONDATA_RACE (6 of 33 remaining) [2023-08-25 02:31:48,380 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location my_callbackErr2ASSERT_VIOLATIONDATA_RACE (5 of 33 remaining) [2023-08-25 02:31:48,380 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location my_callbackErr3ASSERT_VIOLATIONDATA_RACE (4 of 33 remaining) [2023-08-25 02:31:48,381 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location my_callbackErr0ASSERT_VIOLATIONDATA_RACE (3 of 33 remaining) [2023-08-25 02:31:48,381 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location my_callbackErr1ASSERT_VIOLATIONDATA_RACE (2 of 33 remaining) [2023-08-25 02:31:48,381 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location my_callbackErr2ASSERT_VIOLATIONDATA_RACE (1 of 33 remaining) [2023-08-25 02:31:48,381 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location my_callbackErr3ASSERT_VIOLATIONDATA_RACE (0 of 33 remaining) [2023-08-25 02:31:48,381 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-08-25 02:31:48,381 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-25 02:31:48,387 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-08-25 02:31:48,387 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-08-25 02:31:48,443 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.08 02:31:48 BasicIcfg [2023-08-25 02:31:48,443 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-08-25 02:31:48,444 INFO L158 Benchmark]: Toolchain (without parser) took 128832.90ms. Allocated memory was 369.1MB in the beginning and 14.8GB in the end (delta: 14.5GB). Free memory was 342.6MB in the beginning and 11.0GB in the end (delta: -10.6GB). Peak memory consumption was 3.8GB. Max. memory is 16.0GB. [2023-08-25 02:31:48,444 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 369.1MB. Free memory is still 346.4MB. There was no memory consumed. Max. memory is 16.0GB. [2023-08-25 02:31:48,444 INFO L158 Benchmark]: CACSL2BoogieTranslator took 944.15ms. Allocated memory is still 369.1MB. Free memory was 342.4MB in the beginning and 285.2MB in the end (delta: 57.2MB). Peak memory consumption was 58.7MB. Max. memory is 16.0GB. [2023-08-25 02:31:48,444 INFO L158 Benchmark]: Boogie Procedure Inliner took 82.15ms. Allocated memory is still 369.1MB. Free memory was 285.2MB in the beginning and 343.2MB in the end (delta: -58.0MB). Peak memory consumption was 8.6MB. Max. memory is 16.0GB. [2023-08-25 02:31:48,445 INFO L158 Benchmark]: Boogie Preprocessor took 46.66ms. Allocated memory is still 369.1MB. Free memory was 343.2MB in the beginning and 339.0MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.0GB. [2023-08-25 02:31:48,445 INFO L158 Benchmark]: RCFGBuilder took 677.97ms. Allocated memory is still 369.1MB. Free memory was 339.0MB in the beginning and 303.4MB in the end (delta: 35.7MB). Peak memory consumption was 35.7MB. Max. memory is 16.0GB. [2023-08-25 02:31:48,445 INFO L158 Benchmark]: TraceAbstraction took 127077.10ms. Allocated memory was 369.1MB in the beginning and 14.8GB in the end (delta: 14.5GB). Free memory was 303.4MB in the beginning and 11.0GB in the end (delta: -10.7GB). Peak memory consumption was 3.8GB. Max. memory is 16.0GB. [2023-08-25 02:31:48,446 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 369.1MB. Free memory is still 346.4MB. There was no memory consumed. Max. memory is 16.0GB. * CACSL2BoogieTranslator took 944.15ms. Allocated memory is still 369.1MB. Free memory was 342.4MB in the beginning and 285.2MB in the end (delta: 57.2MB). Peak memory consumption was 58.7MB. Max. memory is 16.0GB. * Boogie Procedure Inliner took 82.15ms. Allocated memory is still 369.1MB. Free memory was 285.2MB in the beginning and 343.2MB in the end (delta: -58.0MB). Peak memory consumption was 8.6MB. Max. memory is 16.0GB. * Boogie Preprocessor took 46.66ms. Allocated memory is still 369.1MB. Free memory was 343.2MB in the beginning and 339.0MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.0GB. * RCFGBuilder took 677.97ms. Allocated memory is still 369.1MB. Free memory was 339.0MB in the beginning and 303.4MB in the end (delta: 35.7MB). Peak memory consumption was 35.7MB. Max. memory is 16.0GB. * TraceAbstraction took 127077.10ms. Allocated memory was 369.1MB in the beginning and 14.8GB in the end (delta: 14.5GB). Free memory was 303.4MB in the beginning and 11.0GB in the end (delta: -10.7GB). Peak memory consumption was 3.8GB. 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: 65.0s, 321 PlacesBefore, 120 PlacesAfterwards, 328 TransitionsBefore, 118 TransitionsAfterwards, 16344 CoEnabledTransitionPairs, 10 FixpointIterations, 182 TrivialSequentialCompositions, 77 ConcurrentSequentialCompositions, 24 TrivialYvCompositions, 42 ConcurrentYvCompositions, 9 ChoiceCompositions, 334 TotalNumberOfCompositions, 136116 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 20837, independent: 18842, independent conditional: 0, independent unconditional: 18842, dependent: 1995, dependent conditional: 0, dependent unconditional: 1995, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 7176, independent: 6973, independent conditional: 0, independent unconditional: 6973, dependent: 203, dependent conditional: 0, dependent unconditional: 203, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 20837, independent: 11869, independent conditional: 0, independent unconditional: 11869, dependent: 1792, dependent conditional: 0, dependent unconditional: 1792, unknown: 7176, unknown conditional: 0, unknown unconditional: 7176] , Statistics on independence cache: Total cache size (in pairs): 635, Positive cache size: 522, Positive conditional cache size: 0, Positive unconditional cache size: 522, Negative cache size: 113, Negative conditional cache size: 0, Negative unconditional cache size: 113, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - DataRaceFoundResult [Line: 1710]: Data race detected Data race detected The following path leads to a data race: [L1694] 0 pthread_t t1,t2; [L1706] 0 struct device *my_dev; [L1744] CALL, EXPR 0 my_drv_init() [L1738] 0 return 0; [L1744] RET, EXPR 0 my_drv_init() [L1744] 0 int ret = my_drv_init(); [L1745] COND TRUE 0 ret==0 [L1746] 0 int probe_ret; [L1747] 0 struct my_data data; [L1748] CALL, EXPR 0 my_drv_probe(&data) [L1716] 0 data->shared.a = 0 [L1717] 0 data->shared.b = 0 [L1718] EXPR 0 data->shared.a [L1718] EXPR 0 data->shared.a==0 [L1718] CALL 0 ldv_assert(data->shared.a==0) [L1693] COND FALSE 0 !(!expression) [L1718] RET 0 ldv_assert(data->shared.a==0) [L1719] EXPR 0 data->shared.b [L1719] EXPR 0 data->shared.b==0 [L1719] CALL 0 ldv_assert(data->shared.b==0) [L1693] COND FALSE 0 !(!expression) [L1719] RET 0 ldv_assert(data->shared.b==0) [L1720] 0 int res = __VERIFIER_nondet_int(); [L1721] COND FALSE 0 !(\read(res)) [L1723] 0 my_dev = &data->dev [L1724] FCALL, FORK 0 pthread_create(&t1, ((void *)0), my_callback, ((void *)0)) VAL [arg={0:0}, data={6:0}, data={6:0}, my_dev={6:24}, pthread_create(&t1, ((void *)0), my_callback, ((void *)0))=7, res=0, t1={3:0}, t2={4:0}] [L1708] 1 struct my_data *data; [L1709] 1 const typeof( ((struct my_data *)0)->dev ) *__mptr = (my_dev); VAL [arg={0:0}, arg={0:0}, my_dev={6:24}, t1={3:0}, t2={4:0}] [L1709] 1 const typeof( ((struct my_data *)0)->dev ) *__mptr = (my_dev); [L1709] 1 { const typeof( ((struct my_data *)0)->dev ) *__mptr = (my_dev); (struct my_data *)( (char *)__mptr - ((unsigned long) &((struct my_data *)0)->dev) );} [L1709] 1 data = ({ const typeof( ((struct my_data *)0)->dev ) *__mptr = (my_dev); (struct my_data *)( (char *)__mptr - ((unsigned long) &((struct my_data *)0)->dev) );}) VAL [__mptr={3:-2}, arg={0:0}, arg={0:0}, data={3:-26}, my_dev={6:24}, t1={3:0}, t2={4:0}] [L1725] FCALL, FORK 0 pthread_create(&t2, ((void *)0), my_callback, ((void *)0)) VAL [__mptr={3:-2}, arg={0:0}, arg={0:0}, data={3:-26}, data={6:0}, data={6:0}, my_dev={6:24}, pthread_create(&t2, ((void *)0), my_callback, ((void *)0))=8, res=0, t1={3:0}, t2={4:0}] [L1710] 1 data->shared.a = 1 VAL [__mptr={3:-2}, arg={0:0}, arg={0:0}, data->shared.a = 1=1154, data={3:-26}, my_dev={6:24}, t1={3:0}, t2={4:0}] [L1726] 0 return 0; [L1748] RET, EXPR 0 my_drv_probe(&data) [L1748] 0 probe_ret = my_drv_probe(&data) VAL [__mptr={3:-2}, arg={0:0}, arg={0:0}, data->shared.a = 1=1154, data={3:-26}, data={6:0}, my_dev={6:24}, my_drv_probe(&data)=0, probe_ret=0, ret=0, t1={3:0}, t2={4:0}] [L1749] COND TRUE 0 probe_ret==0 [L1750] CALL 0 my_drv_disconnect(&data) [L1732] 0 void *status; [L1733] 0 \read(t1) VAL [\read(t1)=7, __mptr={3:-2}, arg={0:0}, arg={0:0}, data->shared.a = 1=1154, data={3:-26}, data={6:0}, data={6:0}, my_dev={6:24}, status={5:0}, t1={3:0}, t2={4:0}] [L1710] 1 data->shared.a = 1 VAL [__mptr={3:-2}, arg={0:0}, arg={0:0}, data->shared.a = 1=1154, data={3:-26}, my_dev={6:24}, 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: pthread_join(t1, &status) [1733] * C: data->shared.a = 0 [1716] * C: my_dev = &data->dev [1723] * C: data->shared.a = 0 [1716] * C: data->shared.b==0 [1719] * C: data->shared.a==0 [1718] * C: data->shared.b==0 [1719] * C: data->shared.b==0 [1719] * C: data->shared.a = 0 [1716] * C: data->shared.b = 0 [1717] * C: data->shared.a==0 [1718] * C: data->shared.a = 0 [1716] * C: data->shared.b = 0 [1717] * C: const typeof( ((struct my_data *)0)->dev ) *__mptr = (my_dev); [1709] * C: data->shared.b = 0 [1717] * C: data->shared.b = 0 [1717] * C: data->shared.a==0 [1718] * C: data->shared.a==0 [1718] * C: data->shared.b==0 [1719] and C: data->shared.a = 1 [1710] - UnprovableResult [Line: 1716]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1717]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1718]: 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: 1719]: 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: 1723]: 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: 1733]: Unable to prove that there are no data races Unable to prove that there are no data races 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: 1734]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1757]: 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: 1751]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1758]: 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: 1752]: 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: 1709]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1711]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1711]: 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, 356 locations, 33 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: 126.9s, OverallIterations: 10, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 59.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 65.2s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 583 SdHoareTripleChecker+Valid, 4.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 583 mSDsluCounter, 300 SdHoareTripleChecker+Invalid, 4.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 59 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3756 IncrementalHoareTripleChecker+Invalid, 3815 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 59 mSolverCounterUnsat, 300 mSDtfsCounter, 3756 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 34 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=14104occurred in iteration=8, InterpolantAutomatonStates: 41, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.7s InterpolantComputationTime, 95 NumberOfCodeBlocks, 95 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 71 ConstructedInterpolants, 0 QuantifiedInterpolants, 516 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 9 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 02:31:48,503 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...