./Ultimate.py --spec ../sv-benchmarks/c/properties/no-data-race.prp --file ../sv-benchmarks/c/pthread-divine/one_time_barrier_3t.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 3289d67d Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/pthread-divine/one_time_barrier_3t.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 658086e6a2b970f68ba6fa20919311f7cc4c75e1705e5ad288c4fd1e6439159f --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-3289d67-m [2024-11-16 23:33:44,667 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-16 23:33:44,735 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-16 23:33:44,743 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-16 23:33:44,744 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-16 23:33:44,767 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-16 23:33:44,768 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-16 23:33:44,768 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-16 23:33:44,769 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-16 23:33:44,770 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-16 23:33:44,771 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-16 23:33:44,771 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-16 23:33:44,772 INFO L153 SettingsManager]: * Use SBE=true [2024-11-16 23:33:44,772 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-16 23:33:44,774 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-16 23:33:44,774 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-16 23:33:44,774 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-16 23:33:44,775 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-16 23:33:44,775 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-16 23:33:44,775 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-16 23:33:44,775 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-16 23:33:44,779 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-16 23:33:44,779 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-16 23:33:44,780 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-16 23:33:44,780 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-16 23:33:44,780 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-16 23:33:44,780 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-16 23:33:44,781 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-16 23:33:44,781 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-16 23:33:44,781 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-16 23:33:44,781 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-16 23:33:44,782 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 23:33:44,782 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-16 23:33:44,782 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-16 23:33:44,782 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-16 23:33:44,782 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-16 23:33:44,783 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-16 23:33:44,783 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-16 23:33:44,783 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-16 23:33:44,784 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-16 23:33:44,784 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-16 23:33:44,785 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 658086e6a2b970f68ba6fa20919311f7cc4c75e1705e5ad288c4fd1e6439159f [2024-11-16 23:33:45,034 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-16 23:33:45,061 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-16 23:33:45,064 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-16 23:33:45,065 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-16 23:33:45,066 INFO L274 PluginConnector]: CDTParser initialized [2024-11-16 23:33:45,067 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-divine/one_time_barrier_3t.i [2024-11-16 23:33:46,486 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-16 23:33:46,738 INFO L384 CDTParser]: Found 1 translation units. [2024-11-16 23:33:46,739 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-divine/one_time_barrier_3t.i [2024-11-16 23:33:46,755 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7a2c8fbce/8343d90f6ebe4ad4b8d6b2f2a8b909ce/FLAGafaf764ba [2024-11-16 23:33:46,771 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7a2c8fbce/8343d90f6ebe4ad4b8d6b2f2a8b909ce [2024-11-16 23:33:46,774 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-16 23:33:46,775 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-16 23:33:46,778 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-16 23:33:46,778 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-16 23:33:46,782 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-16 23:33:46,783 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 11:33:46" (1/1) ... [2024-11-16 23:33:46,784 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@58ebc24b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:33:46, skipping insertion in model container [2024-11-16 23:33:46,784 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 11:33:46" (1/1) ... [2024-11-16 23:33:46,848 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-16 23:33:47,278 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 23:33:47,293 INFO L200 MainTranslator]: Completed pre-run [2024-11-16 23:33:47,375 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 23:33:47,414 INFO L204 MainTranslator]: Completed translation [2024-11-16 23:33:47,414 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:33:47 WrapperNode [2024-11-16 23:33:47,414 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-16 23:33:47,415 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-16 23:33:47,415 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-16 23:33:47,416 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-16 23:33:47,422 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:33:47" (1/1) ... [2024-11-16 23:33:47,460 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:33:47" (1/1) ... [2024-11-16 23:33:47,520 INFO L138 Inliner]: procedures = 174, calls = 91, calls flagged for inlining = 20, calls inlined = 35, statements flattened = 870 [2024-11-16 23:33:47,520 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-16 23:33:47,521 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-16 23:33:47,521 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-16 23:33:47,521 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-16 23:33:47,535 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:33:47" (1/1) ... [2024-11-16 23:33:47,535 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:33:47" (1/1) ... [2024-11-16 23:33:47,546 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:33:47" (1/1) ... [2024-11-16 23:33:47,547 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:33:47" (1/1) ... [2024-11-16 23:33:47,594 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:33:47" (1/1) ... [2024-11-16 23:33:47,602 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:33:47" (1/1) ... [2024-11-16 23:33:47,614 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:33:47" (1/1) ... [2024-11-16 23:33:47,622 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:33:47" (1/1) ... [2024-11-16 23:33:47,636 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-16 23:33:47,637 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-16 23:33:47,637 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-16 23:33:47,637 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-16 23:33:47,638 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:33:47" (1/1) ... [2024-11-16 23:33:47,644 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 23:33:47,655 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 23:33:47,673 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-16 23:33:47,677 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-16 23:33:47,720 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-16 23:33:47,720 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-16 23:33:47,720 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-11-16 23:33:47,720 INFO L130 BoogieDeclarations]: Found specification of procedure worker_fn [2024-11-16 23:33:47,720 INFO L138 BoogieDeclarations]: Found implementation of procedure worker_fn [2024-11-16 23:33:47,721 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-16 23:33:47,721 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-11-16 23:33:47,721 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-16 23:33:47,721 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-11-16 23:33:47,721 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-16 23:33:47,721 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-16 23:33:47,722 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-11-16 23:33:47,722 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-16 23:33:47,722 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-16 23:33:47,724 WARN L225 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-16 23:33:47,927 INFO L256 CfgBuilder]: Building ICFG [2024-11-16 23:33:47,929 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-16 23:33:49,102 INFO L303 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-16 23:33:49,102 INFO L307 CfgBuilder]: Performing block encoding [2024-11-16 23:33:49,170 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-16 23:33:49,171 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-16 23:33:49,172 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 11:33:49 BoogieIcfgContainer [2024-11-16 23:33:49,172 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-16 23:33:49,174 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-16 23:33:49,177 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-16 23:33:49,180 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-16 23:33:49,180 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 11:33:46" (1/3) ... [2024-11-16 23:33:49,181 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3d9eec6a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 11:33:49, skipping insertion in model container [2024-11-16 23:33:49,181 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:33:47" (2/3) ... [2024-11-16 23:33:49,182 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3d9eec6a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 11:33:49, skipping insertion in model container [2024-11-16 23:33:49,183 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 11:33:49" (3/3) ... [2024-11-16 23:33:49,184 INFO L112 eAbstractionObserver]: Analyzing ICFG one_time_barrier_3t.i [2024-11-16 23:33:49,201 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-16 23:33:49,201 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 77 error locations. [2024-11-16 23:33:49,202 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-16 23:33:49,370 INFO L143 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2024-11-16 23:33:49,427 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 965 places, 1051 transitions, 2109 flow [2024-11-16 23:33:50,045 INFO L124 PetriNetUnfolderBase]: 135/1558 cut-off events. [2024-11-16 23:33:50,046 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-16 23:33:50,094 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1563 conditions, 1558 events. 135/1558 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 5839 event pairs, 0 based on Foata normal form. 0/1305 useless extension candidates. Maximal degree in co-relation 939. Up to 4 conditions per place. [2024-11-16 23:33:50,095 INFO L82 GeneralOperation]: Start removeDead. Operand has 965 places, 1051 transitions, 2109 flow [2024-11-16 23:33:50,125 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 965 places, 1051 transitions, 2109 flow [2024-11-16 23:33:50,137 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-16 23:33:50,144 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@3693e917, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-16 23:33:50,145 INFO L334 AbstractCegarLoop]: Starting to check reachability of 112 error locations. [2024-11-16 23:33:50,151 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-16 23:33:50,152 INFO L124 PetriNetUnfolderBase]: 1/57 cut-off events. [2024-11-16 23:33:50,152 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-16 23:33:50,152 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:33:50,153 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 23:33:50,154 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr42ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr42ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr39ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr41ASSERT_VIOLATIONDATA_RACE (and 109 more)] === [2024-11-16 23:33:50,159 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:33:50,160 INFO L85 PathProgramCache]: Analyzing trace with hash 781232062, now seen corresponding path program 1 times [2024-11-16 23:33:50,170 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:33:50,170 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [422874268] [2024-11-16 23:33:50,170 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:33:50,171 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:33:50,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:33:51,288 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:33:51,288 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:33:51,289 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [422874268] [2024-11-16 23:33:51,290 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [422874268] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:33:51,291 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:33:51,291 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-16 23:33:51,292 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1927805036] [2024-11-16 23:33:51,293 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:33:51,302 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-16 23:33:51,307 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:33:51,348 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-16 23:33:51,348 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-16 23:33:52,965 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 744 out of 1051 [2024-11-16 23:33:52,977 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 965 places, 1051 transitions, 2109 flow. Second operand has 6 states, 6 states have (on average 745.5) internal successors, (4473), 6 states have internal predecessors, (4473), 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) [2024-11-16 23:33:52,977 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:33:52,978 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 744 of 1051 [2024-11-16 23:33:52,979 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:34:03,402 INFO L124 PetriNetUnfolderBase]: 12703/60086 cut-off events. [2024-11-16 23:34:03,403 INFO L125 PetriNetUnfolderBase]: For 4/7 co-relation queries the response was YES. [2024-11-16 23:34:03,522 INFO L83 FinitePrefix]: Finished finitePrefix Result has 83495 conditions, 60086 events. 12703/60086 cut-off events. For 4/7 co-relation queries the response was YES. Maximal size of possible extension queue 323. Compared 704230 event pairs, 11413 based on Foata normal form. 7018/59980 useless extension candidates. Maximal degree in co-relation 82791. Up to 23399 conditions per place. [2024-11-16 23:34:03,713 INFO L140 encePairwiseOnDemand]: 975/1051 looper letters, 231 selfloop transitions, 5 changer transitions 3/953 dead transitions. [2024-11-16 23:34:03,713 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 942 places, 953 transitions, 2385 flow [2024-11-16 23:34:03,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-16 23:34:03,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-16 23:34:03,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 4771 transitions. [2024-11-16 23:34:03,743 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.756581033935934 [2024-11-16 23:34:03,745 INFO L175 Difference]: Start difference. First operand has 965 places, 1051 transitions, 2109 flow. Second operand 6 states and 4771 transitions. [2024-11-16 23:34:03,747 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 942 places, 953 transitions, 2385 flow [2024-11-16 23:34:03,760 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 942 places, 953 transitions, 2385 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-16 23:34:03,777 INFO L231 Difference]: Finished difference. Result has 942 places, 950 transitions, 1917 flow [2024-11-16 23:34:03,780 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1051, PETRI_DIFFERENCE_MINUEND_FLOW=1913, PETRI_DIFFERENCE_MINUEND_PLACES=937, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=953, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=948, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1917, PETRI_PLACES=942, PETRI_TRANSITIONS=950} [2024-11-16 23:34:03,786 INFO L277 CegarLoopForPetriNet]: 965 programPoint places, -23 predicate places. [2024-11-16 23:34:03,786 INFO L471 AbstractCegarLoop]: Abstraction has has 942 places, 950 transitions, 1917 flow [2024-11-16 23:34:03,789 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 745.5) internal successors, (4473), 6 states have internal predecessors, (4473), 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) [2024-11-16 23:34:03,790 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:34:03,790 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 23:34:03,790 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-16 23:34:03,791 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr39ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr42ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr39ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr41ASSERT_VIOLATIONDATA_RACE (and 109 more)] === [2024-11-16 23:34:03,791 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:34:03,791 INFO L85 PathProgramCache]: Analyzing trace with hash -1457399933, now seen corresponding path program 1 times [2024-11-16 23:34:03,792 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:34:03,792 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [996280269] [2024-11-16 23:34:03,792 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:34:03,792 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:34:03,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:34:03,890 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:34:03,890 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:34:03,890 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [996280269] [2024-11-16 23:34:03,891 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [996280269] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:34:03,891 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:34:03,891 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-16 23:34:03,891 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1932416473] [2024-11-16 23:34:03,892 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:34:03,893 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:34:03,893 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:34:03,894 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:34:03,894 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:34:03,945 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 953 out of 1051 [2024-11-16 23:34:03,949 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 942 places, 950 transitions, 1917 flow. Second operand has 3 states, 3 states have (on average 954.3333333333334) internal successors, (2863), 3 states have internal predecessors, (2863), 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) [2024-11-16 23:34:03,949 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:34:03,949 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 953 of 1051 [2024-11-16 23:34:03,949 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:34:05,020 INFO L124 PetriNetUnfolderBase]: 247/4889 cut-off events. [2024-11-16 23:34:05,021 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2024-11-16 23:34:05,053 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5212 conditions, 4889 events. 247/4889 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 47. Compared 36903 event pairs, 110 based on Foata normal form. 1/4230 useless extension candidates. Maximal degree in co-relation 5122. Up to 306 conditions per place. [2024-11-16 23:34:05,076 INFO L140 encePairwiseOnDemand]: 1048/1051 looper letters, 27 selfloop transitions, 2 changer transitions 0/951 dead transitions. [2024-11-16 23:34:05,077 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 941 places, 951 transitions, 1977 flow [2024-11-16 23:34:05,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:34:05,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:34:05,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2889 transitions. [2024-11-16 23:34:05,085 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9162702188392008 [2024-11-16 23:34:05,085 INFO L175 Difference]: Start difference. First operand has 942 places, 950 transitions, 1917 flow. Second operand 3 states and 2889 transitions. [2024-11-16 23:34:05,085 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 941 places, 951 transitions, 1977 flow [2024-11-16 23:34:05,092 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 936 places, 951 transitions, 1967 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-16 23:34:05,108 INFO L231 Difference]: Finished difference. Result has 937 places, 951 transitions, 1919 flow [2024-11-16 23:34:05,109 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1051, PETRI_DIFFERENCE_MINUEND_FLOW=1907, PETRI_DIFFERENCE_MINUEND_PLACES=934, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=950, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=948, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1919, PETRI_PLACES=937, PETRI_TRANSITIONS=951} [2024-11-16 23:34:05,110 INFO L277 CegarLoopForPetriNet]: 965 programPoint places, -28 predicate places. [2024-11-16 23:34:05,111 INFO L471 AbstractCegarLoop]: Abstraction has has 937 places, 951 transitions, 1919 flow [2024-11-16 23:34:05,113 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 954.3333333333334) internal successors, (2863), 3 states have internal predecessors, (2863), 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) [2024-11-16 23:34:05,113 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:34:05,113 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 23:34:05,113 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-16 23:34:05,114 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr41ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr42ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr39ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr41ASSERT_VIOLATIONDATA_RACE (and 109 more)] === [2024-11-16 23:34:05,114 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:34:05,114 INFO L85 PathProgramCache]: Analyzing trace with hash 1209264514, now seen corresponding path program 1 times [2024-11-16 23:34:05,114 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:34:05,115 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1992738500] [2024-11-16 23:34:05,115 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:34:05,115 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:34:05,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:34:05,589 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:34:05,589 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:34:05,589 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1992738500] [2024-11-16 23:34:05,590 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1992738500] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:34:05,590 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:34:05,590 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-16 23:34:05,590 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1595684287] [2024-11-16 23:34:05,591 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:34:05,592 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-16 23:34:05,592 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:34:05,593 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-16 23:34:05,594 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-16 23:34:06,811 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 744 out of 1051 [2024-11-16 23:34:06,816 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 937 places, 951 transitions, 1919 flow. Second operand has 6 states, 6 states have (on average 745.5) internal successors, (4473), 6 states have internal predecessors, (4473), 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) [2024-11-16 23:34:06,821 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:34:06,821 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 744 of 1051 [2024-11-16 23:34:06,822 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:34:20,390 INFO L124 PetriNetUnfolderBase]: 12703/60111 cut-off events. [2024-11-16 23:34:20,390 INFO L125 PetriNetUnfolderBase]: For 10/13 co-relation queries the response was YES. [2024-11-16 23:34:20,501 INFO L83 FinitePrefix]: Finished finitePrefix Result has 83535 conditions, 60111 events. 12703/60111 cut-off events. For 10/13 co-relation queries the response was YES. Maximal size of possible extension queue 323. Compared 703953 event pairs, 11413 based on Foata normal form. 0/52989 useless extension candidates. Maximal degree in co-relation 83450. Up to 23402 conditions per place. [2024-11-16 23:34:20,658 INFO L140 encePairwiseOnDemand]: 1045/1051 looper letters, 232 selfloop transitions, 5 changer transitions 0/950 dead transitions. [2024-11-16 23:34:20,659 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 941 places, 950 transitions, 2391 flow [2024-11-16 23:34:20,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-16 23:34:20,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-16 23:34:20,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 4701 transitions. [2024-11-16 23:34:20,669 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7454804947668887 [2024-11-16 23:34:20,669 INFO L175 Difference]: Start difference. First operand has 937 places, 951 transitions, 1919 flow. Second operand 6 states and 4701 transitions. [2024-11-16 23:34:20,669 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 941 places, 950 transitions, 2391 flow [2024-11-16 23:34:20,675 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 940 places, 950 transitions, 2389 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-16 23:34:20,684 INFO L231 Difference]: Finished difference. Result has 940 places, 950 transitions, 1925 flow [2024-11-16 23:34:20,686 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1051, PETRI_DIFFERENCE_MINUEND_FLOW=1915, PETRI_DIFFERENCE_MINUEND_PLACES=935, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=950, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=945, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1925, PETRI_PLACES=940, PETRI_TRANSITIONS=950} [2024-11-16 23:34:20,687 INFO L277 CegarLoopForPetriNet]: 965 programPoint places, -25 predicate places. [2024-11-16 23:34:20,687 INFO L471 AbstractCegarLoop]: Abstraction has has 940 places, 950 transitions, 1925 flow [2024-11-16 23:34:20,690 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 745.5) internal successors, (4473), 6 states have internal predecessors, (4473), 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) [2024-11-16 23:34:20,690 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:34:20,690 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 23:34:20,690 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-16 23:34:20,690 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr40ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr42ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr39ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr41ASSERT_VIOLATIONDATA_RACE (and 109 more)] === [2024-11-16 23:34:20,691 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:34:20,691 INFO L85 PathProgramCache]: Analyzing trace with hash -1821053365, now seen corresponding path program 1 times [2024-11-16 23:34:20,691 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:34:20,691 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [582184321] [2024-11-16 23:34:20,691 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:34:20,692 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:34:20,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:34:21,136 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:34:21,137 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:34:21,137 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [582184321] [2024-11-16 23:34:21,137 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [582184321] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:34:21,137 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:34:21,137 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-16 23:34:21,137 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1840848933] [2024-11-16 23:34:21,138 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:34:21,138 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-16 23:34:21,138 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:34:21,139 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-16 23:34:21,139 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-16 23:34:21,982 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 744 out of 1051 [2024-11-16 23:34:21,986 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 940 places, 950 transitions, 1925 flow. Second operand has 6 states, 6 states have (on average 745.5) internal successors, (4473), 6 states have internal predecessors, (4473), 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) [2024-11-16 23:34:21,986 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:34:21,986 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 744 of 1051 [2024-11-16 23:34:21,986 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand