/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-VariableLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml --cacsl2boogietranslator.check.unreachability.of.reach_error.function false --cacsl2boogietranslator.check.absence.of.data.races.in.concurrent.programs true -i ../../../trunk/examples/svcomp/ldv-races/race-2_2b-container_of.i -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-ac9dbd0-m [2023-08-25 02:26:20,160 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-08-25 02:26:20,225 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 02:26:20,228 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-08-25 02:26:20,228 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2023-08-25 02:26:20,252 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-25 02:26:20,253 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-25 02:26:20,253 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-25 02:26:20,254 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-25 02:26:20,257 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-08-25 02:26:20,258 INFO L153 SettingsManager]: * Use SBE=true [2023-08-25 02:26:20,258 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-25 02:26:20,258 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-25 02:26:20,259 INFO L153 SettingsManager]: * sizeof long=4 [2023-08-25 02:26:20,259 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-25 02:26:20,260 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-08-25 02:26:20,260 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-08-25 02:26:20,260 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-25 02:26:20,260 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-25 02:26:20,260 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-25 02:26:20,261 INFO L153 SettingsManager]: * sizeof long double=12 [2023-08-25 02:26:20,261 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-08-25 02:26:20,261 INFO L153 SettingsManager]: * Use constant arrays=true [2023-08-25 02:26:20,262 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-25 02:26:20,262 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-25 02:26:20,262 INFO L153 SettingsManager]: * To the following directory=./dump/ [2023-08-25 02:26:20,263 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-25 02:26:20,263 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-25 02:26:20,263 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-25 02:26:20,263 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-25 02:26:20,264 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-25 02:26:20,264 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-08-25 02:26:20,265 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-08-25 02:26:20,265 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-25 02:26:20,265 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-25 02:26:20,265 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of reach_error function -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of data races in concurrent programs -> true [2023-08-25 02:26:20,548 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-25 02:26:20,567 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-25 02:26:20,569 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-25 02:26:20,570 INFO L270 PluginConnector]: Initializing CDTParser... [2023-08-25 02:26:20,574 INFO L274 PluginConnector]: CDTParser initialized [2023-08-25 02:26:20,575 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-races/race-2_2b-container_of.i [2023-08-25 02:26:21,803 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-08-25 02:26:22,062 INFO L384 CDTParser]: Found 1 translation units. [2023-08-25 02:26:22,063 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-races/race-2_2b-container_of.i [2023-08-25 02:26:22,088 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4f7f12df2/468b3d856a7847a2b582d99d1c92f34f/FLAG7cc4a6fd3 [2023-08-25 02:26:22,102 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4f7f12df2/468b3d856a7847a2b582d99d1c92f34f [2023-08-25 02:26:22,105 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-25 02:26:22,106 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-08-25 02:26:22,108 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-25 02:26:22,108 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-25 02:26:22,110 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-25 02:26:22,111 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.08 02:26:22" (1/1) ... [2023-08-25 02:26:22,111 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3d09316d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 02:26:22, skipping insertion in model container [2023-08-25 02:26:22,112 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.08 02:26:22" (1/1) ... [2023-08-25 02:26:22,161 INFO L176 MainTranslator]: Built tables and reachable declarations [2023-08-25 02:26:22,750 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-25 02:26:22,760 INFO L201 MainTranslator]: Completed pre-run [2023-08-25 02:26:22,783 WARN L75 lationResultReporter]: Unsoundness Warning: unspecified type, defaulting to int C: short [237] [2023-08-25 02:26:22,784 WARN L75 lationResultReporter]: Unsoundness Warning: unspecified type, defaulting to int C: short [237] [2023-08-25 02:26:22,789 WARN L75 lationResultReporter]: Unsoundness Warning: unspecified type, defaulting to int C: unsigned short [729] [2023-08-25 02:26:22,803 WARN L75 lationResultReporter]: Unsoundness Warning: unspecified type, defaulting to int C: unsigned long [1709] [2023-08-25 02:26:22,815 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-25 02:26:22,940 INFO L206 MainTranslator]: Completed translation [2023-08-25 02:26:22,940 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 02:26:22 WrapperNode [2023-08-25 02:26:22,941 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-25 02:26:22,942 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-25 02:26:22,942 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-25 02:26:22,942 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-25 02:26:22,947 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 02:26:22" (1/1) ... [2023-08-25 02:26:22,975 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 02:26:22" (1/1) ... [2023-08-25 02:26:23,032 INFO L138 Inliner]: procedures = 481, calls = 42, calls flagged for inlining = 11, calls inlined = 14, statements flattened = 188 [2023-08-25 02:26:23,033 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-25 02:26:23,034 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-25 02:26:23,034 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-25 02:26:23,034 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-08-25 02:26:23,042 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 02:26:22" (1/1) ... [2023-08-25 02:26:23,042 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 02:26:22" (1/1) ... [2023-08-25 02:26:23,060 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 02:26:22" (1/1) ... [2023-08-25 02:26:23,061 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 02:26:22" (1/1) ... [2023-08-25 02:26:23,100 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 02:26:22" (1/1) ... [2023-08-25 02:26:23,103 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 02:26:22" (1/1) ... [2023-08-25 02:26:23,107 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 02:26:22" (1/1) ... [2023-08-25 02:26:23,109 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 02:26:22" (1/1) ... [2023-08-25 02:26:23,125 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-25 02:26:23,126 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-25 02:26:23,126 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-08-25 02:26:23,126 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-08-25 02:26:23,126 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 02:26:22" (1/1) ... [2023-08-25 02:26:23,130 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-25 02:26:23,142 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-25 02:26:23,162 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 02:26:23,177 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 02:26:23,193 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-25 02:26:23,193 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-08-25 02:26:23,193 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-25 02:26:23,194 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-08-25 02:26:23,194 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-25 02:26:23,194 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-25 02:26:23,194 INFO L130 BoogieDeclarations]: Found specification of procedure my_callback [2023-08-25 02:26:23,194 INFO L138 BoogieDeclarations]: Found implementation of procedure my_callback [2023-08-25 02:26:23,195 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-25 02:26:23,195 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-08-25 02:26:23,195 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-08-25 02:26:23,196 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 02:26:23,421 INFO L236 CfgBuilder]: Building ICFG [2023-08-25 02:26:23,423 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-25 02:26:23,704 INFO L277 CfgBuilder]: Performing block encoding [2023-08-25 02:26:23,710 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-25 02:26:23,711 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-08-25 02:26:23,713 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.08 02:26:23 BoogieIcfgContainer [2023-08-25 02:26:23,713 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-25 02:26:23,715 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-25 02:26:23,715 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-08-25 02:26:23,717 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-08-25 02:26:23,717 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.08 02:26:22" (1/3) ... [2023-08-25 02:26:23,718 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@511759cc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.08 02:26:23, skipping insertion in model container [2023-08-25 02:26:23,718 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 02:26:22" (2/3) ... [2023-08-25 02:26:23,718 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@511759cc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.08 02:26:23, skipping insertion in model container [2023-08-25 02:26:23,718 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.08 02:26:23" (3/3) ... [2023-08-25 02:26:23,719 INFO L112 eAbstractionObserver]: Analyzing ICFG race-2_2b-container_of.i [2023-08-25 02:26:23,735 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-25 02:26:23,736 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 17 error locations. [2023-08-25 02:26:23,736 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-25 02:26:23,830 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-08-25 02:26:23,868 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 277 places, 281 transitions, 578 flow [2023-08-25 02:26:23,990 INFO L124 PetriNetUnfolderBase]: 14/363 cut-off events. [2023-08-25 02:26:23,990 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2023-08-25 02:26:23,997 INFO L83 FinitePrefix]: Finished finitePrefix Result has 372 conditions, 363 events. 14/363 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 864 event pairs, 0 based on Foata normal form. 0/320 useless extension candidates. Maximal degree in co-relation 185. Up to 4 conditions per place. [2023-08-25 02:26:23,999 INFO L82 GeneralOperation]: Start removeDead. Operand has 277 places, 281 transitions, 578 flow [2023-08-25 02:26:24,012 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 275 places, 278 transitions, 568 flow [2023-08-25 02:26:24,015 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-08-25 02:26:24,030 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 275 places, 278 transitions, 568 flow [2023-08-25 02:26:24,032 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 275 places, 278 transitions, 568 flow [2023-08-25 02:26:24,033 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 275 places, 278 transitions, 568 flow [2023-08-25 02:26:24,092 INFO L124 PetriNetUnfolderBase]: 13/362 cut-off events. [2023-08-25 02:26:24,093 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2023-08-25 02:26:24,095 INFO L83 FinitePrefix]: Finished finitePrefix Result has 371 conditions, 362 events. 13/362 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 872 event pairs, 0 based on Foata normal form. 0/320 useless extension candidates. Maximal degree in co-relation 184. Up to 4 conditions per place. [2023-08-25 02:26:24,106 INFO L119 LiptonReduction]: Number of co-enabled transitions 15300 [2023-08-25 02:27:24,531 WARN L234 SmtUtils]: Spent 9.62s on a formula simplification. DAG size of input: 144 DAG size of output: 136 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-25 02:27:26,671 INFO L134 LiptonReduction]: Checked pairs total: 106183 [2023-08-25 02:27:26,671 INFO L136 LiptonReduction]: Total number of compositions: 244 [2023-08-25 02:27:26,692 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-08-25 02:27:26,697 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;@76a3d24c, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-08-25 02:27:26,697 INFO L358 AbstractCegarLoop]: Starting to check reachability of 25 error locations. [2023-08-25 02:27:26,698 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-08-25 02:27:26,698 INFO L124 PetriNetUnfolderBase]: 0/0 cut-off events. [2023-08-25 02:27:26,698 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-08-25 02:27:26,698 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-25 02:27:26,699 INFO L208 CegarLoopForPetriNet]: trace histogram [1] [2023-08-25 02:27:26,699 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-08-25 02:27:26,703 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-25 02:27:26,703 INFO L85 PathProgramCache]: Analyzing trace with hash 884, now seen corresponding path program 1 times [2023-08-25 02:27:26,710 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-25 02:27:26,710 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1563739769] [2023-08-25 02:27:26,710 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-25 02:27:26,711 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-25 02:27:26,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-25 02:27:26,919 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 02:27:26,919 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-25 02:27:26,919 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1563739769] [2023-08-25 02:27:26,920 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1563739769] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-25 02:27:26,920 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-25 02:27:26,920 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2023-08-25 02:27:26,921 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [983545101] [2023-08-25 02:27:26,922 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-25 02:27:26,927 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-08-25 02:27:26,930 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-25 02:27:26,949 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-08-25 02:27:26,950 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-08-25 02:27:26,953 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 265 out of 525 [2023-08-25 02:27:26,957 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 108 places, 105 transitions, 222 flow. Second operand has 2 states, 2 states have (on average 265.5) internal successors, (531), 2 states have internal predecessors, (531), 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 02:27:26,958 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-25 02:27:26,958 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 265 of 525 [2023-08-25 02:27:26,958 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-25 02:27:27,326 INFO L124 PetriNetUnfolderBase]: 578/2118 cut-off events. [2023-08-25 02:27:27,326 INFO L125 PetriNetUnfolderBase]: For 22/22 co-relation queries the response was YES. [2023-08-25 02:27:27,332 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3117 conditions, 2118 events. 578/2118 cut-off events. For 22/22 co-relation queries the response was YES. Maximal size of possible extension queue 89. Compared 17524 event pairs, 577 based on Foata normal form. 62/1943 useless extension candidates. Maximal degree in co-relation 2956. Up to 976 conditions per place. [2023-08-25 02:27:27,343 INFO L140 encePairwiseOnDemand]: 519/525 looper letters, 31 selfloop transitions, 0 changer transitions 0/98 dead transitions. [2023-08-25 02:27:27,343 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 104 places, 98 transitions, 270 flow [2023-08-25 02:27:27,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-08-25 02:27:27,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2023-08-25 02:27:27,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 567 transitions. [2023-08-25 02:27:27,358 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.54 [2023-08-25 02:27:27,358 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 567 transitions. [2023-08-25 02:27:27,359 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 567 transitions. [2023-08-25 02:27:27,361 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-25 02:27:27,363 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 567 transitions. [2023-08-25 02:27:27,366 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 283.5) internal successors, (567), 2 states have internal predecessors, (567), 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 02:27:27,370 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 525.0) internal successors, (1575), 3 states have internal predecessors, (1575), 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 02:27:27,371 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 525.0) internal successors, (1575), 3 states have internal predecessors, (1575), 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 02:27:27,372 INFO L175 Difference]: Start difference. First operand has 108 places, 105 transitions, 222 flow. Second operand 2 states and 567 transitions. [2023-08-25 02:27:27,372 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 104 places, 98 transitions, 270 flow [2023-08-25 02:27:27,375 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 100 places, 98 transitions, 262 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-08-25 02:27:27,377 INFO L231 Difference]: Finished difference. Result has 100 places, 98 transitions, 200 flow [2023-08-25 02:27:27,379 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=525, PETRI_DIFFERENCE_MINUEND_FLOW=200, PETRI_DIFFERENCE_MINUEND_PLACES=99, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=98, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=98, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=200, PETRI_PLACES=100, PETRI_TRANSITIONS=98} [2023-08-25 02:27:27,385 INFO L281 CegarLoopForPetriNet]: 108 programPoint places, -8 predicate places. [2023-08-25 02:27:27,385 INFO L495 AbstractCegarLoop]: Abstraction has has 100 places, 98 transitions, 200 flow [2023-08-25 02:27:27,385 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 265.5) internal successors, (531), 2 states have internal predecessors, (531), 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 02:27:27,385 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-25 02:27:27,386 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2023-08-25 02:27:27,386 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-08-25 02:27:27,386 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-08-25 02:27:27,386 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-25 02:27:27,386 INFO L85 PathProgramCache]: Analyzing trace with hash -1840495687, now seen corresponding path program 1 times [2023-08-25 02:27:27,387 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-25 02:27:27,387 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1656970660] [2023-08-25 02:27:27,387 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-25 02:27:27,387 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-25 02:27:27,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-25 02:27:27,561 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 02:27:27,562 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-25 02:27:27,562 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1656970660] [2023-08-25 02:27:27,562 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1656970660] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-25 02:27:27,562 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-25 02:27:27,562 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-25 02:27:27,562 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [334836447] [2023-08-25 02:27:27,562 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-25 02:27:27,563 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-25 02:27:27,563 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-25 02:27:27,563 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-25 02:27:27,563 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-25 02:27:27,564 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 259 out of 525 [2023-08-25 02:27:27,565 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 100 places, 98 transitions, 200 flow. Second operand has 3 states, 3 states have (on average 259.6666666666667) internal successors, (779), 3 states have internal predecessors, (779), 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 02:27:27,565 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-25 02:27:27,565 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 259 of 525 [2023-08-25 02:27:27,565 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-25 02:27:27,995 INFO L124 PetriNetUnfolderBase]: 578/2101 cut-off events. [2023-08-25 02:27:27,995 INFO L125 PetriNetUnfolderBase]: For 6/6 co-relation queries the response was YES. [2023-08-25 02:27:27,999 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3093 conditions, 2101 events. 578/2101 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 93. Compared 17277 event pairs, 185 based on Foata normal form. 0/1872 useless extension candidates. Maximal degree in co-relation 3090. Up to 641 conditions per place. [2023-08-25 02:27:28,005 INFO L140 encePairwiseOnDemand]: 521/525 looper letters, 45 selfloop transitions, 3 changer transitions 1/116 dead transitions. [2023-08-25 02:27:28,005 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 102 places, 116 transitions, 334 flow [2023-08-25 02:27:28,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-25 02:27:28,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-25 02:27:28,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 827 transitions. [2023-08-25 02:27:28,007 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.525079365079365 [2023-08-25 02:27:28,007 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 827 transitions. [2023-08-25 02:27:28,007 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 827 transitions. [2023-08-25 02:27:28,008 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-25 02:27:28,008 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 827 transitions. [2023-08-25 02:27:28,009 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 275.6666666666667) internal successors, (827), 3 states have internal predecessors, (827), 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 02:27:28,011 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 525.0) internal successors, (2100), 4 states have internal predecessors, (2100), 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 02:27:28,012 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 525.0) internal successors, (2100), 4 states have internal predecessors, (2100), 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 02:27:28,012 INFO L175 Difference]: Start difference. First operand has 100 places, 98 transitions, 200 flow. Second operand 3 states and 827 transitions. [2023-08-25 02:27:28,012 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 102 places, 116 transitions, 334 flow [2023-08-25 02:27:28,013 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 102 places, 116 transitions, 334 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-25 02:27:28,015 INFO L231 Difference]: Finished difference. Result has 104 places, 99 transitions, 218 flow [2023-08-25 02:27:28,015 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=525, PETRI_DIFFERENCE_MINUEND_FLOW=200, PETRI_DIFFERENCE_MINUEND_PLACES=100, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=98, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=95, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=218, PETRI_PLACES=104, PETRI_TRANSITIONS=99} [2023-08-25 02:27:28,016 INFO L281 CegarLoopForPetriNet]: 108 programPoint places, -4 predicate places. [2023-08-25 02:27:28,016 INFO L495 AbstractCegarLoop]: Abstraction has has 104 places, 99 transitions, 218 flow [2023-08-25 02:27:28,016 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 259.6666666666667) internal successors, (779), 3 states have internal predecessors, (779), 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 02:27:28,016 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-25 02:27:28,017 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2023-08-25 02:27:28,017 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-08-25 02:27:28,019 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-08-25 02:27:28,021 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-25 02:27:28,022 INFO L85 PathProgramCache]: Analyzing trace with hash -1789031167, now seen corresponding path program 1 times [2023-08-25 02:27:28,025 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-25 02:27:28,026 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1424397372] [2023-08-25 02:27:28,026 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-25 02:27:28,026 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-25 02:27:28,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-25 02:27:28,359 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 02:27:28,359 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-25 02:27:28,359 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1424397372] [2023-08-25 02:27:28,359 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1424397372] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-25 02:27:28,360 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-25 02:27:28,360 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-25 02:27:28,361 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1701766625] [2023-08-25 02:27:28,361 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-25 02:27:28,361 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-25 02:27:28,361 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-25 02:27:28,361 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-25 02:27:28,364 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-25 02:27:28,365 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 154 out of 525 [2023-08-25 02:27:28,366 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 104 places, 99 transitions, 218 flow. Second operand has 6 states, 6 states have (on average 155.16666666666666) internal successors, (931), 6 states have internal predecessors, (931), 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 02:27:28,366 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-25 02:27:28,366 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 154 of 525 [2023-08-25 02:27:28,366 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-25 02:27:32,274 INFO L124 PetriNetUnfolderBase]: 36672/57008 cut-off events. [2023-08-25 02:27:32,274 INFO L125 PetriNetUnfolderBase]: For 2198/2198 co-relation queries the response was YES. [2023-08-25 02:27:32,339 INFO L83 FinitePrefix]: Finished finitePrefix Result has 115565 conditions, 57008 events. 36672/57008 cut-off events. For 2198/2198 co-relation queries the response was YES. Maximal size of possible extension queue 766. Compared 387687 event pairs, 30034 based on Foata normal form. 0/48698 useless extension candidates. Maximal degree in co-relation 115560. Up to 51992 conditions per place. [2023-08-25 02:27:32,516 INFO L140 encePairwiseOnDemand]: 493/525 looper letters, 158 selfloop transitions, 103 changer transitions 0/264 dead transitions. [2023-08-25 02:27:32,516 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 109 places, 264 transitions, 1070 flow [2023-08-25 02:27:32,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-25 02:27:32,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-25 02:27:32,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1185 transitions. [2023-08-25 02:27:32,519 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.3761904761904762 [2023-08-25 02:27:32,519 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1185 transitions. [2023-08-25 02:27:32,519 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1185 transitions. [2023-08-25 02:27:32,520 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-25 02:27:32,520 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1185 transitions. [2023-08-25 02:27:32,522 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 197.5) internal successors, (1185), 6 states have internal predecessors, (1185), 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 02:27:32,526 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 525.0) internal successors, (3675), 7 states have internal predecessors, (3675), 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 02:27:32,527 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 525.0) internal successors, (3675), 7 states have internal predecessors, (3675), 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 02:27:32,527 INFO L175 Difference]: Start difference. First operand has 104 places, 99 transitions, 218 flow. Second operand 6 states and 1185 transitions. [2023-08-25 02:27:32,527 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 109 places, 264 transitions, 1070 flow [2023-08-25 02:27:32,592 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 107 places, 264 transitions, 1064 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-08-25 02:27:32,595 INFO L231 Difference]: Finished difference. Result has 112 places, 200 transitions, 886 flow [2023-08-25 02:27:32,595 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=525, PETRI_DIFFERENCE_MINUEND_FLOW=212, PETRI_DIFFERENCE_MINUEND_PLACES=102, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=99, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=26, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=68, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=886, PETRI_PLACES=112, PETRI_TRANSITIONS=200} [2023-08-25 02:27:32,596 INFO L281 CegarLoopForPetriNet]: 108 programPoint places, 4 predicate places. [2023-08-25 02:27:32,596 INFO L495 AbstractCegarLoop]: Abstraction has has 112 places, 200 transitions, 886 flow [2023-08-25 02:27:32,597 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 155.16666666666666) internal successors, (931), 6 states have internal predecessors, (931), 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 02:27:32,597 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-25 02:27:32,597 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-08-25 02:27:32,597 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-08-25 02:27:32,598 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting my_callbackErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-08-25 02:27:32,598 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-25 02:27:32,598 INFO L85 PathProgramCache]: Analyzing trace with hash 1262557655, now seen corresponding path program 1 times [2023-08-25 02:27:32,598 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-25 02:27:32,598 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [196211351] [2023-08-25 02:27:32,598 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-25 02:27:32,598 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-25 02:27:32,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-25 02:27:32,846 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 02:27:32,846 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-25 02:27:32,846 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [196211351] [2023-08-25 02:27:32,846 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [196211351] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-25 02:27:32,846 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-25 02:27:32,846 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-25 02:27:32,846 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [580561163] [2023-08-25 02:27:32,847 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-25 02:27:32,847 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-25 02:27:32,848 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-25 02:27:32,848 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-25 02:27:32,849 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-25 02:27:32,849 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 162 out of 525 [2023-08-25 02:27:32,850 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 112 places, 200 transitions, 886 flow. Second operand has 6 states, 6 states have (on average 163.33333333333334) internal successors, (980), 6 states have internal predecessors, (980), 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 02:27:32,850 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-25 02:27:32,850 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 162 of 525 [2023-08-25 02:27:32,850 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-25 02:27:38,441 INFO L124 PetriNetUnfolderBase]: 45504/70406 cut-off events. [2023-08-25 02:27:38,441 INFO L125 PetriNetUnfolderBase]: For 22513/22599 co-relation queries the response was YES. [2023-08-25 02:27:38,565 INFO L83 FinitePrefix]: Finished finitePrefix Result has 181250 conditions, 70406 events. 45504/70406 cut-off events. For 22513/22599 co-relation queries the response was YES. Maximal size of possible extension queue 934. Compared 491746 event pairs, 27638 based on Foata normal form. 0/60763 useless extension candidates. Maximal degree in co-relation 181241. Up to 61151 conditions per place. [2023-08-25 02:27:38,782 INFO L140 encePairwiseOnDemand]: 486/525 looper letters, 305 selfloop transitions, 228 changer transitions 0/536 dead transitions. [2023-08-25 02:27:38,783 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 117 places, 536 transitions, 3204 flow [2023-08-25 02:27:38,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-25 02:27:38,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-25 02:27:38,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1309 transitions. [2023-08-25 02:27:38,788 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.41555555555555557 [2023-08-25 02:27:38,788 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1309 transitions. [2023-08-25 02:27:38,788 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1309 transitions. [2023-08-25 02:27:38,789 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-25 02:27:38,789 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1309 transitions. [2023-08-25 02:27:38,792 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 218.16666666666666) internal successors, (1309), 6 states have internal predecessors, (1309), 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 02:27:38,797 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 525.0) internal successors, (3675), 7 states have internal predecessors, (3675), 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 02:27:38,798 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 525.0) internal successors, (3675), 7 states have internal predecessors, (3675), 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 02:27:38,798 INFO L175 Difference]: Start difference. First operand has 112 places, 200 transitions, 886 flow. Second operand 6 states and 1309 transitions. [2023-08-25 02:27:38,798 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 117 places, 536 transitions, 3204 flow [2023-08-25 02:27:38,934 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 117 places, 536 transitions, 3204 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-25 02:27:38,946 INFO L231 Difference]: Finished difference. Result has 122 places, 423 transitions, 2930 flow [2023-08-25 02:27:38,947 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=525, PETRI_DIFFERENCE_MINUEND_FLOW=886, PETRI_DIFFERENCE_MINUEND_PLACES=112, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=200, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=49, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=104, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=2930, PETRI_PLACES=122, PETRI_TRANSITIONS=423} [2023-08-25 02:27:38,949 INFO L281 CegarLoopForPetriNet]: 108 programPoint places, 14 predicate places. [2023-08-25 02:27:38,949 INFO L495 AbstractCegarLoop]: Abstraction has has 122 places, 423 transitions, 2930 flow [2023-08-25 02:27:38,949 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 163.33333333333334) internal successors, (980), 6 states have internal predecessors, (980), 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 02:27:38,950 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-25 02:27:38,950 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-25 02:27:38,950 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-08-25 02:27:38,950 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting my_callbackErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-08-25 02:27:38,950 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-25 02:27:38,950 INFO L85 PathProgramCache]: Analyzing trace with hash -1791893901, now seen corresponding path program 1 times [2023-08-25 02:27:38,950 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-25 02:27:38,951 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [230714055] [2023-08-25 02:27:38,951 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-25 02:27:38,951 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-25 02:27:38,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-25 02:27:39,259 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 02:27:39,259 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-25 02:27:39,259 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [230714055] [2023-08-25 02:27:39,260 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [230714055] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-25 02:27:39,260 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-25 02:27:39,260 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-25 02:27:39,260 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1475480212] [2023-08-25 02:27:39,260 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-25 02:27:39,260 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-25 02:27:39,260 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-25 02:27:39,261 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-25 02:27:39,261 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-25 02:27:39,261 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 162 out of 525 [2023-08-25 02:27:39,262 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 122 places, 423 transitions, 2930 flow. Second operand has 6 states, 6 states have (on average 163.66666666666666) internal successors, (982), 6 states have internal predecessors, (982), 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 02:27:39,263 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-25 02:27:39,265 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 162 of 525 [2023-08-25 02:27:39,265 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-25 02:27:48,144 INFO L124 PetriNetUnfolderBase]: 54522/84001 cut-off events. [2023-08-25 02:27:48,145 INFO L125 PetriNetUnfolderBase]: For 72754/72882 co-relation queries the response was YES. [2023-08-25 02:27:48,365 INFO L83 FinitePrefix]: Finished finitePrefix Result has 270132 conditions, 84001 events. 54522/84001 cut-off events. For 72754/72882 co-relation queries the response was YES. Maximal size of possible extension queue 1122. Compared 597425 event pairs, 26195 based on Foata normal form. 0/74213 useless extension candidates. Maximal degree in co-relation 270118. Up to 73893 conditions per place. [2023-08-25 02:27:48,616 INFO L140 encePairwiseOnDemand]: 482/525 looper letters, 530 selfloop transitions, 410 changer transitions 0/943 dead transitions. [2023-08-25 02:27:48,617 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 127 places, 943 transitions, 7488 flow [2023-08-25 02:27:48,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-25 02:27:48,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-25 02:27:48,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1333 transitions. [2023-08-25 02:27:48,627 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.42317460317460315 [2023-08-25 02:27:48,627 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1333 transitions. [2023-08-25 02:27:48,627 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1333 transitions. [2023-08-25 02:27:48,629 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-25 02:27:48,630 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1333 transitions. [2023-08-25 02:27:48,634 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 222.16666666666666) internal successors, (1333), 6 states have internal predecessors, (1333), 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 02:27:48,639 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 525.0) internal successors, (3675), 7 states have internal predecessors, (3675), 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 02:27:48,640 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 525.0) internal successors, (3675), 7 states have internal predecessors, (3675), 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 02:27:48,640 INFO L175 Difference]: Start difference. First operand has 122 places, 423 transitions, 2930 flow. Second operand 6 states and 1333 transitions. [2023-08-25 02:27:48,640 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 127 places, 943 transitions, 7488 flow [2023-08-25 02:27:49,160 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 127 places, 943 transitions, 7452 flow, removed 18 selfloop flow, removed 0 redundant places. [2023-08-25 02:27:49,171 INFO L231 Difference]: Finished difference. Result has 132 places, 817 transitions, 7214 flow [2023-08-25 02:27:49,172 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=525, PETRI_DIFFERENCE_MINUEND_FLOW=2912, PETRI_DIFFERENCE_MINUEND_PLACES=122, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=423, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=84, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=217, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=7214, PETRI_PLACES=132, PETRI_TRANSITIONS=817} [2023-08-25 02:27:49,172 INFO L281 CegarLoopForPetriNet]: 108 programPoint places, 24 predicate places. [2023-08-25 02:27:49,173 INFO L495 AbstractCegarLoop]: Abstraction has has 132 places, 817 transitions, 7214 flow [2023-08-25 02:27:49,173 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 163.66666666666666) internal successors, (982), 6 states have internal predecessors, (982), 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 02:27:49,173 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-25 02:27:49,173 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-25 02:27:49,173 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-08-25 02:27:49,173 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-08-25 02:27:49,174 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-25 02:27:49,174 INFO L85 PathProgramCache]: Analyzing trace with hash -657131173, now seen corresponding path program 1 times [2023-08-25 02:27:49,174 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-25 02:27:49,174 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [71592593] [2023-08-25 02:27:49,174 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-25 02:27:49,174 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-25 02:27:49,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-25 02:27:49,352 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 02:27:49,352 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-25 02:27:49,352 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [71592593] [2023-08-25 02:27:49,352 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [71592593] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-25 02:27:49,352 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-25 02:27:49,352 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-25 02:27:49,352 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [722494932] [2023-08-25 02:27:49,352 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-25 02:27:49,353 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-25 02:27:49,356 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-25 02:27:49,357 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-25 02:27:49,357 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-25 02:27:49,357 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 165 out of 525 [2023-08-25 02:27:49,358 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 132 places, 817 transitions, 7214 flow. Second operand has 6 states, 6 states have (on average 166.83333333333334) internal successors, (1001), 6 states have internal predecessors, (1001), 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 02:27:49,358 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-25 02:27:49,358 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 165 of 525 [2023-08-25 02:27:49,358 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-25 02:28:00,536 INFO L124 PetriNetUnfolderBase]: 56784/88721 cut-off events. [2023-08-25 02:28:00,536 INFO L125 PetriNetUnfolderBase]: For 155103/155259 co-relation queries the response was YES. [2023-08-25 02:28:00,875 INFO L83 FinitePrefix]: Finished finitePrefix Result has 340747 conditions, 88721 events. 56784/88721 cut-off events. For 155103/155259 co-relation queries the response was YES. Maximal size of possible extension queue 1261. Compared 654881 event pairs, 25545 based on Foata normal form. 0/79756 useless extension candidates. Maximal degree in co-relation 340728. Up to 80811 conditions per place. [2023-08-25 02:28:01,166 INFO L140 encePairwiseOnDemand]: 502/525 looper letters, 977 selfloop transitions, 218 changer transitions 0/1199 dead transitions. [2023-08-25 02:28:01,166 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 137 places, 1199 transitions, 12284 flow [2023-08-25 02:28:01,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-25 02:28:01,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-25 02:28:01,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1261 transitions. [2023-08-25 02:28:01,169 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4003174603174603 [2023-08-25 02:28:01,169 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1261 transitions. [2023-08-25 02:28:01,169 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1261 transitions. [2023-08-25 02:28:01,170 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-25 02:28:01,170 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1261 transitions. [2023-08-25 02:28:01,171 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 210.16666666666666) internal successors, (1261), 6 states have internal predecessors, (1261), 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 02:28:01,174 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 525.0) internal successors, (3675), 7 states have internal predecessors, (3675), 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 02:28:01,175 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 525.0) internal successors, (3675), 7 states have internal predecessors, (3675), 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 02:28:01,175 INFO L175 Difference]: Start difference. First operand has 132 places, 817 transitions, 7214 flow. Second operand 6 states and 1261 transitions. [2023-08-25 02:28:01,175 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 137 places, 1199 transitions, 12284 flow [2023-08-25 02:28:02,145 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 137 places, 1199 transitions, 12194 flow, removed 45 selfloop flow, removed 0 redundant places. [2023-08-25 02:28:02,156 INFO L231 Difference]: Finished difference. Result has 142 places, 1019 transitions, 9928 flow [2023-08-25 02:28:02,157 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=525, PETRI_DIFFERENCE_MINUEND_FLOW=7142, PETRI_DIFFERENCE_MINUEND_PLACES=132, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=817, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=48, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=695, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=9928, PETRI_PLACES=142, PETRI_TRANSITIONS=1019} [2023-08-25 02:28:02,157 INFO L281 CegarLoopForPetriNet]: 108 programPoint places, 34 predicate places. [2023-08-25 02:28:02,157 INFO L495 AbstractCegarLoop]: Abstraction has has 142 places, 1019 transitions, 9928 flow [2023-08-25 02:28:02,158 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 166.83333333333334) internal successors, (1001), 6 states have internal predecessors, (1001), 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 02:28:02,158 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-25 02:28:02,158 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-25 02:28:02,158 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-08-25 02:28:02,158 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting my_callbackErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-08-25 02:28:02,158 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-25 02:28:02,158 INFO L85 PathProgramCache]: Analyzing trace with hash -1602488625, now seen corresponding path program 1 times [2023-08-25 02:28:02,159 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-25 02:28:02,159 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1449407854] [2023-08-25 02:28:02,159 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-25 02:28:02,159 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-25 02:28:02,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-08-25 02:28:02,194 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-08-25 02:28:02,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-08-25 02:28:02,247 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-08-25 02:28:02,247 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-08-25 02:28:02,247 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location my_callbackErr0ASSERT_VIOLATIONDATA_RACE (24 of 25 remaining) [2023-08-25 02:28:02,249 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (23 of 25 remaining) [2023-08-25 02:28:02,249 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (22 of 25 remaining) [2023-08-25 02:28:02,249 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (21 of 25 remaining) [2023-08-25 02:28:02,249 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (20 of 25 remaining) [2023-08-25 02:28:02,249 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (19 of 25 remaining) [2023-08-25 02:28:02,249 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (18 of 25 remaining) [2023-08-25 02:28:02,249 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (17 of 25 remaining) [2023-08-25 02:28:02,250 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr11ASSERT_VIOLATIONASSERT (16 of 25 remaining) [2023-08-25 02:28:02,250 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (15 of 25 remaining) [2023-08-25 02:28:02,250 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE (14 of 25 remaining) [2023-08-25 02:28:02,250 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONASSERT (13 of 25 remaining) [2023-08-25 02:28:02,250 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr13ASSERT_VIOLATIONASSERT (12 of 25 remaining) [2023-08-25 02:28:02,250 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (11 of 25 remaining) [2023-08-25 02:28:02,250 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7ASSERT_VIOLATIONASSERT (10 of 25 remaining) [2023-08-25 02:28:02,250 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (9 of 25 remaining) [2023-08-25 02:28:02,250 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (8 of 25 remaining) [2023-08-25 02:28:02,250 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location my_callbackErr0ASSERT_VIOLATIONDATA_RACE (7 of 25 remaining) [2023-08-25 02:28:02,250 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location my_callbackErr1ASSERT_VIOLATIONDATA_RACE (6 of 25 remaining) [2023-08-25 02:28:02,250 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location my_callbackErr2ASSERT_VIOLATIONDATA_RACE (5 of 25 remaining) [2023-08-25 02:28:02,251 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location my_callbackErr1ASSERT_VIOLATIONDATA_RACE (4 of 25 remaining) [2023-08-25 02:28:02,251 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location my_callbackErr2ASSERT_VIOLATIONDATA_RACE (3 of 25 remaining) [2023-08-25 02:28:02,251 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location my_callbackErr0ASSERT_VIOLATIONDATA_RACE (2 of 25 remaining) [2023-08-25 02:28:02,251 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location my_callbackErr1ASSERT_VIOLATIONDATA_RACE (1 of 25 remaining) [2023-08-25 02:28:02,251 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location my_callbackErr2ASSERT_VIOLATIONDATA_RACE (0 of 25 remaining) [2023-08-25 02:28:02,251 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-08-25 02:28:02,251 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1] [2023-08-25 02:28:02,255 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-08-25 02:28:02,255 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-08-25 02:28:02,297 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.08 02:28:02 BasicIcfg [2023-08-25 02:28:02,297 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-08-25 02:28:02,298 INFO L158 Benchmark]: Toolchain (without parser) took 100191.26ms. Allocated memory was 383.8MB in the beginning and 9.7GB in the end (delta: 9.3GB). Free memory was 336.9MB in the beginning and 7.8GB in the end (delta: -7.4GB). Peak memory consumption was 1.9GB. Max. memory is 16.0GB. [2023-08-25 02:28:02,298 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 383.8MB. Free memory is still 362.0MB. There was no memory consumed. Max. memory is 16.0GB. [2023-08-25 02:28:02,298 INFO L158 Benchmark]: CACSL2BoogieTranslator took 832.59ms. Allocated memory is still 383.8MB. Free memory was 335.9MB in the beginning and 279.1MB in the end (delta: 56.7MB). Peak memory consumption was 56.6MB. Max. memory is 16.0GB. [2023-08-25 02:28:02,298 INFO L158 Benchmark]: Boogie Procedure Inliner took 91.63ms. Allocated memory is still 383.8MB. Free memory was 279.1MB in the beginning and 275.1MB in the end (delta: 4.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.0GB. [2023-08-25 02:28:02,298 INFO L158 Benchmark]: Boogie Preprocessor took 91.47ms. Allocated memory is still 383.8MB. Free memory was 275.1MB in the beginning and 271.9MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. [2023-08-25 02:28:02,299 INFO L158 Benchmark]: RCFGBuilder took 587.33ms. Allocated memory is still 383.8MB. Free memory was 271.9MB in the beginning and 239.4MB in the end (delta: 32.5MB). Peak memory consumption was 33.6MB. Max. memory is 16.0GB. [2023-08-25 02:28:02,299 INFO L158 Benchmark]: TraceAbstraction took 98582.53ms. Allocated memory was 383.8MB in the beginning and 9.7GB in the end (delta: 9.3GB). Free memory was 238.4MB in the beginning and 7.8GB in the end (delta: -7.5GB). Peak memory consumption was 1.8GB. Max. memory is 16.0GB. [2023-08-25 02:28:02,301 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 383.8MB. Free memory is still 362.0MB. There was no memory consumed. Max. memory is 16.0GB. * CACSL2BoogieTranslator took 832.59ms. Allocated memory is still 383.8MB. Free memory was 335.9MB in the beginning and 279.1MB in the end (delta: 56.7MB). Peak memory consumption was 56.6MB. Max. memory is 16.0GB. * Boogie Procedure Inliner took 91.63ms. Allocated memory is still 383.8MB. Free memory was 279.1MB in the beginning and 275.1MB in the end (delta: 4.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.0GB. * Boogie Preprocessor took 91.47ms. Allocated memory is still 383.8MB. Free memory was 275.1MB in the beginning and 271.9MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. * RCFGBuilder took 587.33ms. Allocated memory is still 383.8MB. Free memory was 271.9MB in the beginning and 239.4MB in the end (delta: 32.5MB). Peak memory consumption was 33.6MB. Max. memory is 16.0GB. * TraceAbstraction took 98582.53ms. Allocated memory was 383.8MB in the beginning and 9.7GB in the end (delta: 9.3GB). Free memory was 238.4MB in the beginning and 7.8GB in the end (delta: -7.5GB). Peak memory consumption was 1.8GB. 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: 62.6s, 275 PlacesBefore, 108 PlacesAfterwards, 278 TransitionsBefore, 105 TransitionsAfterwards, 15300 CoEnabledTransitionPairs, 9 FixpointIterations, 127 TrivialSequentialCompositions, 81 ConcurrentSequentialCompositions, 6 TrivialYvCompositions, 24 ConcurrentYvCompositions, 6 ChoiceCompositions, 244 TotalNumberOfCompositions, 106183 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 13444, independent: 11789, independent conditional: 0, independent unconditional: 11789, dependent: 1655, dependent conditional: 0, dependent unconditional: 1655, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 6555, independent: 6342, independent conditional: 0, independent unconditional: 6342, dependent: 213, dependent conditional: 0, dependent unconditional: 213, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 13444, independent: 5447, independent conditional: 0, independent unconditional: 5447, dependent: 1442, dependent conditional: 0, dependent unconditional: 1442, unknown: 6555, unknown conditional: 0, unknown unconditional: 6555] , Statistics on independence cache: Total cache size (in pairs): 476, Positive cache size: 330, Positive conditional cache size: 0, Positive unconditional cache size: 330, Negative cache size: 146, Negative conditional cache size: 0, Negative unconditional cache size: 146, 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; [L1742] CALL, EXPR 0 my_drv_init() [L1736] 0 return 0; [L1742] RET, EXPR 0 my_drv_init() [L1742] 0 int ret = my_drv_init(); [L1743] COND TRUE 0 ret==0 [L1744] 0 int probe_ret; [L1745] 0 struct my_data data; [L1746] CALL 0 my_drv_probe(&data) [L1715] 0 struct device *d = &data->dev; [L1717] 0 data->shared.a = 0 [L1718] 0 data->shared.b = 0 [L1719] 0 int res = __VERIFIER_nondet_int(); [L1720] COND FALSE 0 !(\read(res)) [L1722] FCALL, FORK 0 pthread_create(&t1, ((void *)0), my_callback, (void *)d) VAL [arg={5:24}, d={5:24}, data={5:0}, data={5:0}, pthread_create(&t1, ((void *)0), my_callback, (void *)d)=-2, res=0, t1={3:0}, t2={4:0}] [L1707] 1 struct device *dev = (struct device*)arg; [L1708] 1 struct my_data *data; [L1709] 1 const typeof( ((struct my_data *)0)->dev ) *__mptr = (dev); [L1709] 1 { const typeof( ((struct my_data *)0)->dev ) *__mptr = (dev); (struct my_data *)( (char *)__mptr - ((unsigned long) &((struct my_data *)0)->dev) );} [L1709] 1 data = ({ const typeof( ((struct my_data *)0)->dev ) *__mptr = (dev); (struct my_data *)( (char *)__mptr - ((unsigned long) &((struct my_data *)0)->dev) );}) [L1710] 1 data->shared.a = 1 VAL [__mptr={1155:20}, arg={5:24}, arg={5:24}, data={1155:-4}, dev={5:24}, t1={3:0}, t2={4:0}] [L1723] FCALL, FORK 0 pthread_create(&t2, ((void *)0), my_callback, (void *)d) VAL [__mptr={1155:20}, arg={5:24}, arg={5:24}, d={5:24}, data->shared.a = 1=1165, data={1155:-4}, data={5:0}, data={5:0}, dev={5:24}, pthread_create(&t2, ((void *)0), my_callback, (void *)d)=-1, res=0, t1={3:0}, t2={4:0}] [L1710] 1 data->shared.a = 1 VAL [__mptr={1155:20}, arg={5:24}, arg={5:24}, data->shared.a = 1=1165, data={1155:-4}, dev={5:24}, t1={3:0}, t2={4:0}] [L1707] 2 struct device *dev = (struct device*)arg; [L1708] 2 struct my_data *data; [L1709] 2 const typeof( ((struct my_data *)0)->dev ) *__mptr = (dev); [L1709] 2 { const typeof( ((struct my_data *)0)->dev ) *__mptr = (dev); (struct my_data *)( (char *)__mptr - ((unsigned long) &((struct my_data *)0)->dev) );} [L1709] 2 data = ({ const typeof( ((struct my_data *)0)->dev ) *__mptr = (dev); (struct my_data *)( (char *)__mptr - ((unsigned long) &((struct my_data *)0)->dev) );}) [L1710] 2 data->shared.a = 1 VAL [__mptr={1155:23}, arg={5:24}, arg={5:24}, data->shared.a = 1=1166, data={1155:-1}, dev={5:24}, t1={3:0}, t2={4:0}] Now there is a data race, but we were unable to determine exactly which statements and variables are involved. There could be a race between one of the statements * C: data->shared.a = 0 [1717] * C: data->shared.b = 0 [1718] * C: data->shared.a = 0 [1717] * C: data->shared.a = 0 [1717] * C: data->shared.a = 0 [1717] * C: data->shared.b = 0 [1718] * C: data->shared.b = 0 [1718] * C: data->shared.b = 0 [1718] and C: data->shared.a = 1 [1710] - 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: 1753]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1731]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1754]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1732]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1755]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1691]: Unable to prove that assertion always holds Unable to prove that assertion always holds Reason: Not analyzed. - UnprovableResult [Line: 1749]: 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: 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: 1750]: 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: 1722]: 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: 1723]: 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: 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, 308 locations, 25 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: 98.4s, OverallIterations: 7, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 33.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 62.8s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 390 SdHoareTripleChecker+Valid, 4.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 390 mSDsluCounter, 231 SdHoareTripleChecker+Invalid, 3.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 60 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3018 IncrementalHoareTripleChecker+Invalid, 3078 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 60 mSolverCounterUnsat, 231 mSDtfsCounter, 3018 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 24 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=9928occurred in iteration=6, InterpolantAutomatonStates: 29, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 56 NumberOfCodeBlocks, 56 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 38 ConstructedInterpolants, 0 QuantifiedInterpolants, 389 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 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 02:28:02,338 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...