./Ultimate.py --spec ../sv-benchmarks/c/properties/no-data-race.prp --file ../sv-benchmarks/c/pthread-ext/06_ticket.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-ext/06_ticket.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 d21b75ab9211f19b3beb5c83d6d66f0a0906e2f271e4621d3ded70db8a63bb33 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-3289d67-m [2024-11-16 23:12:47,663 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-16 23:12:47,729 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-16 23:12:47,734 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-16 23:12:47,735 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-16 23:12:47,756 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-16 23:12:47,758 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-16 23:12:47,758 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-16 23:12:47,759 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-16 23:12:47,760 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-16 23:12:47,760 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-16 23:12:47,761 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-16 23:12:47,761 INFO L153 SettingsManager]: * Use SBE=true [2024-11-16 23:12:47,762 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-16 23:12:47,763 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-16 23:12:47,763 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-16 23:12:47,763 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-16 23:12:47,763 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-16 23:12:47,763 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-16 23:12:47,764 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-16 23:12:47,764 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-16 23:12:47,765 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-16 23:12:47,765 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-16 23:12:47,765 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-16 23:12:47,767 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-16 23:12:47,767 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-16 23:12:47,767 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-16 23:12:47,767 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-16 23:12:47,768 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-16 23:12:47,768 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-16 23:12:47,768 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-16 23:12:47,768 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 23:12:47,768 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-16 23:12:47,768 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-16 23:12:47,768 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-16 23:12:47,769 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-16 23:12:47,769 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-16 23:12:47,769 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-16 23:12:47,769 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-16 23:12:47,769 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-16 23:12:47,769 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-16 23:12:47,770 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d21b75ab9211f19b3beb5c83d6d66f0a0906e2f271e4621d3ded70db8a63bb33 [2024-11-16 23:12:47,967 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-16 23:12:47,986 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-16 23:12:47,989 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-16 23:12:47,990 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-16 23:12:47,990 INFO L274 PluginConnector]: CDTParser initialized [2024-11-16 23:12:47,991 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-ext/06_ticket.i [2024-11-16 23:12:49,254 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-16 23:12:49,422 INFO L384 CDTParser]: Found 1 translation units. [2024-11-16 23:12:49,423 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-ext/06_ticket.i [2024-11-16 23:12:49,434 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/63847fb9e/9094eb4d58494ff5967cf476ccd7968f/FLAG7bfcc06c6 [2024-11-16 23:12:49,800 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/63847fb9e/9094eb4d58494ff5967cf476ccd7968f [2024-11-16 23:12:49,801 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-16 23:12:49,802 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-16 23:12:49,803 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-16 23:12:49,803 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-16 23:12:49,807 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-16 23:12:49,808 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 11:12:49" (1/1) ... [2024-11-16 23:12:49,808 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5cfc3a3f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:12:49, skipping insertion in model container [2024-11-16 23:12:49,809 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 11:12:49" (1/1) ... [2024-11-16 23:12:49,845 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-16 23:12:50,128 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 23:12:50,136 INFO L200 MainTranslator]: Completed pre-run [2024-11-16 23:12:50,170 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 23:12:50,197 INFO L204 MainTranslator]: Completed translation [2024-11-16 23:12:50,197 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:12:50 WrapperNode [2024-11-16 23:12:50,197 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-16 23:12:50,198 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-16 23:12:50,199 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-16 23:12:50,199 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-16 23:12:50,204 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:12:50" (1/1) ... [2024-11-16 23:12:50,214 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:12:50" (1/1) ... [2024-11-16 23:12:50,235 INFO L138 Inliner]: procedures = 171, calls = 14, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 99 [2024-11-16 23:12:50,238 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-16 23:12:50,239 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-16 23:12:50,239 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-16 23:12:50,239 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-16 23:12:50,245 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:12:50" (1/1) ... [2024-11-16 23:12:50,245 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:12:50" (1/1) ... [2024-11-16 23:12:50,247 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:12:50" (1/1) ... [2024-11-16 23:12:50,247 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:12:50" (1/1) ... [2024-11-16 23:12:50,250 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:12:50" (1/1) ... [2024-11-16 23:12:50,250 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:12:50" (1/1) ... [2024-11-16 23:12:50,251 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:12:50" (1/1) ... [2024-11-16 23:12:50,252 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:12:50" (1/1) ... [2024-11-16 23:12:50,254 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-16 23:12:50,254 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-16 23:12:50,255 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-16 23:12:50,255 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-16 23:12:50,255 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:12:50" (1/1) ... [2024-11-16 23:12:50,262 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 23:12:50,270 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 23:12:50,284 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 23:12:50,287 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 23:12:50,323 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2024-11-16 23:12:50,323 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2024-11-16 23:12:50,323 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-16 23:12:50,323 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-16 23:12:50,324 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-16 23:12:50,324 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-16 23:12:50,324 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-16 23:12:50,324 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-16 23:12:50,325 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 23:12:50,434 INFO L256 CfgBuilder]: Building ICFG [2024-11-16 23:12:50,436 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-16 23:12:50,569 INFO L303 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-16 23:12:50,570 INFO L307 CfgBuilder]: Performing block encoding [2024-11-16 23:12:50,646 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-16 23:12:50,648 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-16 23:12:50,648 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 11:12:50 BoogieIcfgContainer [2024-11-16 23:12:50,648 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-16 23:12:50,650 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-16 23:12:50,650 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-16 23:12:50,653 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-16 23:12:50,653 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 11:12:49" (1/3) ... [2024-11-16 23:12:50,654 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5085efe7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 11:12:50, skipping insertion in model container [2024-11-16 23:12:50,654 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:12:50" (2/3) ... [2024-11-16 23:12:50,654 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5085efe7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 11:12:50, skipping insertion in model container [2024-11-16 23:12:50,654 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 11:12:50" (3/3) ... [2024-11-16 23:12:50,656 INFO L112 eAbstractionObserver]: Analyzing ICFG 06_ticket.i [2024-11-16 23:12:50,671 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-16 23:12:50,671 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 13 error locations. [2024-11-16 23:12:50,671 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-16 23:12:50,738 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-11-16 23:12:50,763 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 105 places, 110 transitions, 224 flow [2024-11-16 23:12:50,796 INFO L124 PetriNetUnfolderBase]: 9/120 cut-off events. [2024-11-16 23:12:50,796 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-16 23:12:50,801 INFO L83 FinitePrefix]: Finished finitePrefix Result has 124 conditions, 120 events. 9/120 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 142 event pairs, 0 based on Foata normal form. 0/96 useless extension candidates. Maximal degree in co-relation 96. Up to 4 conditions per place. [2024-11-16 23:12:50,801 INFO L82 GeneralOperation]: Start removeDead. Operand has 105 places, 110 transitions, 224 flow [2024-11-16 23:12:50,805 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 105 places, 110 transitions, 224 flow [2024-11-16 23:12:50,811 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-16 23:12:50,815 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;@7379c7c7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-16 23:12:50,815 INFO L334 AbstractCegarLoop]: Starting to check reachability of 27 error locations. [2024-11-16 23:12:50,827 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-16 23:12:50,827 INFO L124 PetriNetUnfolderBase]: 2/39 cut-off events. [2024-11-16 23:12:50,827 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-16 23:12:50,827 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:12:50,828 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] [2024-11-16 23:12:50,828 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting thr1Err12ASSERT_VIOLATIONDATA_RACE === [thr1Err12ASSERT_VIOLATIONDATA_RACE, thr1Err11ASSERT_VIOLATIONDATA_RACE, thr1Err10ASSERT_VIOLATIONDATA_RACE, thr1Err9ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2024-11-16 23:12:50,832 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:12:50,832 INFO L85 PathProgramCache]: Analyzing trace with hash 339063719, now seen corresponding path program 1 times [2024-11-16 23:12:50,838 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:12:50,839 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1541234409] [2024-11-16 23:12:50,839 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:12:50,840 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:12:50,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:12:50,985 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 23:12:50,985 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:12:50,986 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1541234409] [2024-11-16 23:12:50,986 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1541234409] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:12:50,986 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:12:50,986 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-16 23:12:50,988 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1666736863] [2024-11-16 23:12:50,988 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:12:50,996 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-16 23:12:51,000 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:12:51,019 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-16 23:12:51,020 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-16 23:12:51,022 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 95 out of 110 [2024-11-16 23:12:51,025 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 105 places, 110 transitions, 224 flow. Second operand has 2 states, 2 states have (on average 96.0) internal successors, (192), 2 states have internal predecessors, (192), 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 23:12:51,025 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:12:51,025 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 95 of 110 [2024-11-16 23:12:51,026 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:12:51,050 INFO L124 PetriNetUnfolderBase]: 2/98 cut-off events. [2024-11-16 23:12:51,051 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-16 23:12:51,052 INFO L83 FinitePrefix]: Finished finitePrefix Result has 105 conditions, 98 events. 2/98 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 57 event pairs, 0 based on Foata normal form. 11/97 useless extension candidates. Maximal degree in co-relation 80. Up to 3 conditions per place. [2024-11-16 23:12:51,053 INFO L140 encePairwiseOnDemand]: 98/110 looper letters, 2 selfloop transitions, 0 changer transitions 0/93 dead transitions. [2024-11-16 23:12:51,054 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 95 places, 93 transitions, 194 flow [2024-11-16 23:12:51,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-16 23:12:51,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2024-11-16 23:12:51,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 204 transitions. [2024-11-16 23:12:51,065 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9272727272727272 [2024-11-16 23:12:51,066 INFO L175 Difference]: Start difference. First operand has 105 places, 110 transitions, 224 flow. Second operand 2 states and 204 transitions. [2024-11-16 23:12:51,067 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 95 places, 93 transitions, 194 flow [2024-11-16 23:12:51,069 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 95 places, 93 transitions, 194 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-16 23:12:51,074 INFO L231 Difference]: Finished difference. Result has 95 places, 93 transitions, 190 flow [2024-11-16 23:12:51,076 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=110, PETRI_DIFFERENCE_MINUEND_FLOW=190, PETRI_DIFFERENCE_MINUEND_PLACES=94, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=93, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=93, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=190, PETRI_PLACES=95, PETRI_TRANSITIONS=93} [2024-11-16 23:12:51,082 INFO L277 CegarLoopForPetriNet]: 105 programPoint places, -10 predicate places. [2024-11-16 23:12:51,082 INFO L471 AbstractCegarLoop]: Abstraction has has 95 places, 93 transitions, 190 flow [2024-11-16 23:12:51,082 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 96.0) internal successors, (192), 2 states have internal predecessors, (192), 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 23:12:51,083 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:12:51,083 INFO L204 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 23:12:51,084 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-16 23:12:51,084 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [thr1Err12ASSERT_VIOLATIONDATA_RACE, thr1Err11ASSERT_VIOLATIONDATA_RACE, thr1Err10ASSERT_VIOLATIONDATA_RACE, thr1Err9ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2024-11-16 23:12:51,085 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:12:51,086 INFO L85 PathProgramCache]: Analyzing trace with hash -1794101385, now seen corresponding path program 1 times [2024-11-16 23:12:51,086 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:12:51,086 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1272278933] [2024-11-16 23:12:51,086 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:12:51,086 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:12:51,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-16 23:12:51,112 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-16 23:12:51,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-16 23:12:51,139 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-16 23:12:51,140 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-16 23:12:51,141 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (26 of 27 remaining) [2024-11-16 23:12:51,142 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err12ASSERT_VIOLATIONDATA_RACE (25 of 27 remaining) [2024-11-16 23:12:51,143 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err11ASSERT_VIOLATIONDATA_RACE (24 of 27 remaining) [2024-11-16 23:12:51,143 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONDATA_RACE (23 of 27 remaining) [2024-11-16 23:12:51,143 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONDATA_RACE (22 of 27 remaining) [2024-11-16 23:12:51,144 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONDATA_RACE (21 of 27 remaining) [2024-11-16 23:12:51,144 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONDATA_RACE (20 of 27 remaining) [2024-11-16 23:12:51,144 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (19 of 27 remaining) [2024-11-16 23:12:51,145 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (18 of 27 remaining) [2024-11-16 23:12:51,145 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (17 of 27 remaining) [2024-11-16 23:12:51,145 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (16 of 27 remaining) [2024-11-16 23:12:51,145 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (15 of 27 remaining) [2024-11-16 23:12:51,146 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (14 of 27 remaining) [2024-11-16 23:12:51,146 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (13 of 27 remaining) [2024-11-16 23:12:51,146 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err12ASSERT_VIOLATIONDATA_RACE (12 of 27 remaining) [2024-11-16 23:12:51,147 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err11ASSERT_VIOLATIONDATA_RACE (11 of 27 remaining) [2024-11-16 23:12:51,147 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONDATA_RACE (10 of 27 remaining) [2024-11-16 23:12:51,147 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONDATA_RACE (9 of 27 remaining) [2024-11-16 23:12:51,148 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONDATA_RACE (8 of 27 remaining) [2024-11-16 23:12:51,148 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONDATA_RACE (7 of 27 remaining) [2024-11-16 23:12:51,148 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (6 of 27 remaining) [2024-11-16 23:12:51,149 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (5 of 27 remaining) [2024-11-16 23:12:51,149 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (4 of 27 remaining) [2024-11-16 23:12:51,149 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (3 of 27 remaining) [2024-11-16 23:12:51,149 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (2 of 27 remaining) [2024-11-16 23:12:51,150 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (1 of 27 remaining) [2024-11-16 23:12:51,150 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (0 of 27 remaining) [2024-11-16 23:12:51,151 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-16 23:12:51,151 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1] [2024-11-16 23:12:51,153 WARN L244 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2024-11-16 23:12:51,154 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2024-11-16 23:12:51,203 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-11-16 23:12:51,211 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 185 places, 195 transitions, 400 flow [2024-11-16 23:12:51,249 INFO L124 PetriNetUnfolderBase]: 17/217 cut-off events. [2024-11-16 23:12:51,249 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-11-16 23:12:51,252 INFO L83 FinitePrefix]: Finished finitePrefix Result has 225 conditions, 217 events. 17/217 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 508 event pairs, 0 based on Foata normal form. 0/171 useless extension candidates. Maximal degree in co-relation 180. Up to 6 conditions per place. [2024-11-16 23:12:51,252 INFO L82 GeneralOperation]: Start removeDead. Operand has 185 places, 195 transitions, 400 flow [2024-11-16 23:12:51,255 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 185 places, 195 transitions, 400 flow [2024-11-16 23:12:51,257 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-16 23:12:51,258 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;@7379c7c7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-16 23:12:51,258 INFO L334 AbstractCegarLoop]: Starting to check reachability of 40 error locations. [2024-11-16 23:12:51,261 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-16 23:12:51,262 INFO L124 PetriNetUnfolderBase]: 2/39 cut-off events. [2024-11-16 23:12:51,262 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-16 23:12:51,262 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:12:51,262 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] [2024-11-16 23:12:51,265 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting thr1Err12ASSERT_VIOLATIONDATA_RACE === [thr1Err12ASSERT_VIOLATIONDATA_RACE, thr1Err11ASSERT_VIOLATIONDATA_RACE, thr1Err10ASSERT_VIOLATIONDATA_RACE, thr1Err9ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2024-11-16 23:12:51,266 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:12:51,266 INFO L85 PathProgramCache]: Analyzing trace with hash -551986949, now seen corresponding path program 1 times [2024-11-16 23:12:51,266 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:12:51,266 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1621693756] [2024-11-16 23:12:51,266 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:12:51,266 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:12:51,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:12:51,310 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 23:12:51,311 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:12:51,311 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1621693756] [2024-11-16 23:12:51,311 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1621693756] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:12:51,311 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:12:51,311 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-16 23:12:51,311 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1786469548] [2024-11-16 23:12:51,312 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:12:51,312 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-16 23:12:51,312 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:12:51,313 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-16 23:12:51,313 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-16 23:12:51,313 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 167 out of 195 [2024-11-16 23:12:51,316 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 185 places, 195 transitions, 400 flow. Second operand has 2 states, 2 states have (on average 168.0) internal successors, (336), 2 states have internal predecessors, (336), 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 23:12:51,316 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:12:51,316 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 167 of 195 [2024-11-16 23:12:51,316 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:12:51,377 INFO L124 PetriNetUnfolderBase]: 10/314 cut-off events. [2024-11-16 23:12:51,377 INFO L125 PetriNetUnfolderBase]: For 8/8 co-relation queries the response was YES. [2024-11-16 23:12:51,379 INFO L83 FinitePrefix]: Finished finitePrefix Result has 334 conditions, 314 events. 10/314 cut-off events. For 8/8 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 1077 event pairs, 2 based on Foata normal form. 34/299 useless extension candidates. Maximal degree in co-relation 223. Up to 9 conditions per place. [2024-11-16 23:12:51,381 INFO L140 encePairwiseOnDemand]: 173/195 looper letters, 4 selfloop transitions, 0 changer transitions 0/166 dead transitions. [2024-11-16 23:12:51,381 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 168 places, 166 transitions, 350 flow [2024-11-16 23:12:51,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-16 23:12:51,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2024-11-16 23:12:51,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 360 transitions. [2024-11-16 23:12:51,383 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9230769230769231 [2024-11-16 23:12:51,383 INFO L175 Difference]: Start difference. First operand has 185 places, 195 transitions, 400 flow. Second operand 2 states and 360 transitions. [2024-11-16 23:12:51,384 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 168 places, 166 transitions, 350 flow [2024-11-16 23:12:51,385 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 168 places, 166 transitions, 350 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-16 23:12:51,387 INFO L231 Difference]: Finished difference. Result has 168 places, 166 transitions, 342 flow [2024-11-16 23:12:51,387 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=195, PETRI_DIFFERENCE_MINUEND_FLOW=342, PETRI_DIFFERENCE_MINUEND_PLACES=167, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=166, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=166, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=342, PETRI_PLACES=168, PETRI_TRANSITIONS=166} [2024-11-16 23:12:51,387 INFO L277 CegarLoopForPetriNet]: 185 programPoint places, -17 predicate places. [2024-11-16 23:12:51,388 INFO L471 AbstractCegarLoop]: Abstraction has has 168 places, 166 transitions, 342 flow [2024-11-16 23:12:51,388 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 168.0) internal successors, (336), 2 states have internal predecessors, (336), 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 23:12:51,388 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:12:51,388 INFO L204 CegarLoopForPetriNet]: trace histogram [3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 23:12:51,388 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-16 23:12:51,388 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [thr1Err12ASSERT_VIOLATIONDATA_RACE, thr1Err11ASSERT_VIOLATIONDATA_RACE, thr1Err10ASSERT_VIOLATIONDATA_RACE, thr1Err9ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2024-11-16 23:12:51,389 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:12:51,389 INFO L85 PathProgramCache]: Analyzing trace with hash 279785064, now seen corresponding path program 1 times [2024-11-16 23:12:51,389 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:12:51,389 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [944125191] [2024-11-16 23:12:51,389 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:12:51,390 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:12:51,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-16 23:12:51,409 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-16 23:12:51,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-16 23:12:51,426 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-16 23:12:51,428 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-16 23:12:51,429 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (39 of 40 remaining) [2024-11-16 23:12:51,429 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err12ASSERT_VIOLATIONDATA_RACE (38 of 40 remaining) [2024-11-16 23:12:51,430 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err11ASSERT_VIOLATIONDATA_RACE (37 of 40 remaining) [2024-11-16 23:12:51,430 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONDATA_RACE (36 of 40 remaining) [2024-11-16 23:12:51,430 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONDATA_RACE (35 of 40 remaining) [2024-11-16 23:12:51,430 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONDATA_RACE (34 of 40 remaining) [2024-11-16 23:12:51,431 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONDATA_RACE (33 of 40 remaining) [2024-11-16 23:12:51,431 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (32 of 40 remaining) [2024-11-16 23:12:51,432 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (31 of 40 remaining) [2024-11-16 23:12:51,432 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (30 of 40 remaining) [2024-11-16 23:12:51,432 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (29 of 40 remaining) [2024-11-16 23:12:51,432 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (28 of 40 remaining) [2024-11-16 23:12:51,432 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (27 of 40 remaining) [2024-11-16 23:12:51,432 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (26 of 40 remaining) [2024-11-16 23:12:51,432 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err12ASSERT_VIOLATIONDATA_RACE (25 of 40 remaining) [2024-11-16 23:12:51,433 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err11ASSERT_VIOLATIONDATA_RACE (24 of 40 remaining) [2024-11-16 23:12:51,433 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONDATA_RACE (23 of 40 remaining) [2024-11-16 23:12:51,433 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONDATA_RACE (22 of 40 remaining) [2024-11-16 23:12:51,433 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONDATA_RACE (21 of 40 remaining) [2024-11-16 23:12:51,433 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONDATA_RACE (20 of 40 remaining) [2024-11-16 23:12:51,433 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (19 of 40 remaining) [2024-11-16 23:12:51,433 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (18 of 40 remaining) [2024-11-16 23:12:51,434 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (17 of 40 remaining) [2024-11-16 23:12:51,434 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (16 of 40 remaining) [2024-11-16 23:12:51,434 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (15 of 40 remaining) [2024-11-16 23:12:51,435 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (14 of 40 remaining) [2024-11-16 23:12:51,435 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (13 of 40 remaining) [2024-11-16 23:12:51,435 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err12ASSERT_VIOLATIONDATA_RACE (12 of 40 remaining) [2024-11-16 23:12:51,436 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err11ASSERT_VIOLATIONDATA_RACE (11 of 40 remaining) [2024-11-16 23:12:51,436 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONDATA_RACE (10 of 40 remaining) [2024-11-16 23:12:51,436 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONDATA_RACE (9 of 40 remaining) [2024-11-16 23:12:51,436 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONDATA_RACE (8 of 40 remaining) [2024-11-16 23:12:51,436 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONDATA_RACE (7 of 40 remaining) [2024-11-16 23:12:51,436 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (6 of 40 remaining) [2024-11-16 23:12:51,436 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (5 of 40 remaining) [2024-11-16 23:12:51,436 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (4 of 40 remaining) [2024-11-16 23:12:51,437 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (3 of 40 remaining) [2024-11-16 23:12:51,437 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (2 of 40 remaining) [2024-11-16 23:12:51,437 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (1 of 40 remaining) [2024-11-16 23:12:51,437 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (0 of 40 remaining) [2024-11-16 23:12:51,437 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-16 23:12:51,437 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1] [2024-11-16 23:12:51,438 WARN L244 ceAbstractionStarter]: 2 thread instances were not sufficient, I will increase this number and restart the analysis [2024-11-16 23:12:51,438 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 3 thread instances. [2024-11-16 23:12:51,483 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-11-16 23:12:51,486 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 265 places, 280 transitions, 578 flow [2024-11-16 23:12:51,518 INFO L124 PetriNetUnfolderBase]: 25/314 cut-off events. [2024-11-16 23:12:51,518 INFO L125 PetriNetUnfolderBase]: For 7/7 co-relation queries the response was YES. [2024-11-16 23:12:51,523 INFO L83 FinitePrefix]: Finished finitePrefix Result has 327 conditions, 314 events. 25/314 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 978 event pairs, 0 based on Foata normal form. 0/246 useless extension candidates. Maximal degree in co-relation 264. Up to 8 conditions per place. [2024-11-16 23:12:51,523 INFO L82 GeneralOperation]: Start removeDead. Operand has 265 places, 280 transitions, 578 flow [2024-11-16 23:12:51,528 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 265 places, 280 transitions, 578 flow [2024-11-16 23:12:51,529 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-16 23:12:51,530 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;@7379c7c7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-16 23:12:51,531 INFO L334 AbstractCegarLoop]: Starting to check reachability of 53 error locations. [2024-11-16 23:12:51,533 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-16 23:12:51,535 INFO L124 PetriNetUnfolderBase]: 2/39 cut-off events. [2024-11-16 23:12:51,535 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-16 23:12:51,535 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:12:51,535 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] [2024-11-16 23:12:51,535 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting thr1Err12ASSERT_VIOLATIONDATA_RACE === [thr1Err12ASSERT_VIOLATIONDATA_RACE, thr1Err11ASSERT_VIOLATIONDATA_RACE, thr1Err10ASSERT_VIOLATIONDATA_RACE, thr1Err9ASSERT_VIOLATIONDATA_RACE (and 49 more)] === [2024-11-16 23:12:51,536 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:12:51,536 INFO L85 PathProgramCache]: Analyzing trace with hash 1639771727, now seen corresponding path program 1 times [2024-11-16 23:12:51,536 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:12:51,536 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [949507497] [2024-11-16 23:12:51,536 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:12:51,536 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:12:51,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:12:51,563 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 23:12:51,563 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:12:51,564 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [949507497] [2024-11-16 23:12:51,564 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [949507497] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:12:51,564 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:12:51,564 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-16 23:12:51,564 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1777936458] [2024-11-16 23:12:51,564 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:12:51,565 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-16 23:12:51,565 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:12:51,565 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-16 23:12:51,567 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-16 23:12:51,569 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 239 out of 280 [2024-11-16 23:12:51,570 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 265 places, 280 transitions, 578 flow. Second operand has 2 states, 2 states have (on average 240.0) internal successors, (480), 2 states have internal predecessors, (480), 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 23:12:51,570 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:12:51,572 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 239 of 280 [2024-11-16 23:12:51,572 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:12:51,682 INFO L124 PetriNetUnfolderBase]: 32/804 cut-off events. [2024-11-16 23:12:51,682 INFO L125 PetriNetUnfolderBase]: For 34/34 co-relation queries the response was YES. [2024-11-16 23:12:51,688 INFO L83 FinitePrefix]: Finished finitePrefix Result has 857 conditions, 804 events. 32/804 cut-off events. For 34/34 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 4804 event pairs, 10 based on Foata normal form. 90/759 useless extension candidates. Maximal degree in co-relation 508. Up to 25 conditions per place. [2024-11-16 23:12:51,691 INFO L140 encePairwiseOnDemand]: 248/280 looper letters, 6 selfloop transitions, 0 changer transitions 0/239 dead transitions. [2024-11-16 23:12:51,691 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 241 places, 239 transitions, 508 flow [2024-11-16 23:12:51,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-16 23:12:51,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2024-11-16 23:12:51,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 516 transitions. [2024-11-16 23:12:51,696 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9214285714285714 [2024-11-16 23:12:51,696 INFO L175 Difference]: Start difference. First operand has 265 places, 280 transitions, 578 flow. Second operand 2 states and 516 transitions. [2024-11-16 23:12:51,696 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 241 places, 239 transitions, 508 flow [2024-11-16 23:12:51,698 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 241 places, 239 transitions, 506 flow, removed 1 selfloop flow, removed 0 redundant places. [2024-11-16 23:12:51,702 INFO L231 Difference]: Finished difference. Result has 241 places, 239 transitions, 494 flow [2024-11-16 23:12:51,703 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=280, PETRI_DIFFERENCE_MINUEND_FLOW=494, PETRI_DIFFERENCE_MINUEND_PLACES=240, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=239, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=239, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=494, PETRI_PLACES=241, PETRI_TRANSITIONS=239} [2024-11-16 23:12:51,704 INFO L277 CegarLoopForPetriNet]: 265 programPoint places, -24 predicate places. [2024-11-16 23:12:51,705 INFO L471 AbstractCegarLoop]: Abstraction has has 241 places, 239 transitions, 494 flow [2024-11-16 23:12:51,705 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 240.0) internal successors, (480), 2 states have internal predecessors, (480), 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 23:12:51,705 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:12:51,705 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] [2024-11-16 23:12:51,705 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-16 23:12:51,705 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting thr1Err7ASSERT_VIOLATIONDATA_RACE === [thr1Err12ASSERT_VIOLATIONDATA_RACE, thr1Err11ASSERT_VIOLATIONDATA_RACE, thr1Err10ASSERT_VIOLATIONDATA_RACE, thr1Err9ASSERT_VIOLATIONDATA_RACE (and 49 more)] === [2024-11-16 23:12:51,706 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:12:51,706 INFO L85 PathProgramCache]: Analyzing trace with hash -1770251327, now seen corresponding path program 1 times [2024-11-16 23:12:51,706 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:12:51,706 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1808636841] [2024-11-16 23:12:51,706 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:12:51,706 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:12:51,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:12:51,760 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 23:12:51,761 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:12:51,761 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1808636841] [2024-11-16 23:12:51,761 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1808636841] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:12:51,761 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:12:51,761 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 23:12:51,761 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [33648818] [2024-11-16 23:12:51,761 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:12:51,762 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:12:51,762 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:12:51,762 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:12:51,762 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:12:51,806 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 218 out of 280 [2024-11-16 23:12:51,806 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 241 places, 239 transitions, 494 flow. Second operand has 3 states, 3 states have (on average 219.33333333333334) internal successors, (658), 3 states have internal predecessors, (658), 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 23:12:51,807 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:12:51,807 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 218 of 280 [2024-11-16 23:12:51,807 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:12:52,665 INFO L124 PetriNetUnfolderBase]: 1083/7129 cut-off events. [2024-11-16 23:12:52,666 INFO L125 PetriNetUnfolderBase]: For 226/226 co-relation queries the response was YES. [2024-11-16 23:12:52,688 INFO L83 FinitePrefix]: Finished finitePrefix Result has 8997 conditions, 7129 events. 1083/7129 cut-off events. For 226/226 co-relation queries the response was YES. Maximal size of possible extension queue 140. Compared 71778 event pairs, 439 based on Foata normal form. 0/6036 useless extension candidates. Maximal degree in co-relation 8991. Up to 1296 conditions per place. [2024-11-16 23:12:52,720 INFO L140 encePairwiseOnDemand]: 256/280 looper letters, 29 selfloop transitions, 18 changer transitions 0/259 dead transitions. [2024-11-16 23:12:52,720 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 243 places, 259 transitions, 638 flow [2024-11-16 23:12:52,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:12:52,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:12:52,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 707 transitions. [2024-11-16 23:12:52,724 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8416666666666667 [2024-11-16 23:12:52,724 INFO L175 Difference]: Start difference. First operand has 241 places, 239 transitions, 494 flow. Second operand 3 states and 707 transitions. [2024-11-16 23:12:52,724 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 243 places, 259 transitions, 638 flow [2024-11-16 23:12:52,726 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 243 places, 259 transitions, 638 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-16 23:12:52,729 INFO L231 Difference]: Finished difference. Result has 245 places, 257 transitions, 650 flow [2024-11-16 23:12:52,730 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=280, PETRI_DIFFERENCE_MINUEND_FLOW=494, PETRI_DIFFERENCE_MINUEND_PLACES=241, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=239, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=221, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=650, PETRI_PLACES=245, PETRI_TRANSITIONS=257} [2024-11-16 23:12:52,732 INFO L277 CegarLoopForPetriNet]: 265 programPoint places, -20 predicate places. [2024-11-16 23:12:52,732 INFO L471 AbstractCegarLoop]: Abstraction has has 245 places, 257 transitions, 650 flow [2024-11-16 23:12:52,733 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 219.33333333333334) internal successors, (658), 3 states have internal predecessors, (658), 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 23:12:52,733 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:12:52,733 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] [2024-11-16 23:12:52,733 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-16 23:12:52,733 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting thr1Err6ASSERT_VIOLATIONDATA_RACE === [thr1Err12ASSERT_VIOLATIONDATA_RACE, thr1Err11ASSERT_VIOLATIONDATA_RACE, thr1Err10ASSERT_VIOLATIONDATA_RACE, thr1Err9ASSERT_VIOLATIONDATA_RACE (and 49 more)] === [2024-11-16 23:12:52,734 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:12:52,734 INFO L85 PathProgramCache]: Analyzing trace with hash -2128839462, now seen corresponding path program 1 times [2024-11-16 23:12:52,734 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:12:52,734 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [317927486] [2024-11-16 23:12:52,734 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:12:52,734 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:12:52,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:12:52,785 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 23:12:52,786 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:12:52,786 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [317927486] [2024-11-16 23:12:52,786 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [317927486] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:12:52,786 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:12:52,786 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 23:12:52,786 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1173784635] [2024-11-16 23:12:52,786 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:12:52,786 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:12:52,787 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:12:52,787 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:12:52,787 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:12:52,847 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 206 out of 280 [2024-11-16 23:12:52,848 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 245 places, 257 transitions, 650 flow. Second operand has 3 states, 3 states have (on average 207.33333333333334) internal successors, (622), 3 states have internal predecessors, (622), 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 23:12:52,848 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:12:52,849 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 206 of 280 [2024-11-16 23:12:52,849 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:12:56,587 INFO L124 PetriNetUnfolderBase]: 7827/37494 cut-off events. [2024-11-16 23:12:56,588 INFO L125 PetriNetUnfolderBase]: For 2896/2948 co-relation queries the response was YES. [2024-11-16 23:12:56,715 INFO L83 FinitePrefix]: Finished finitePrefix Result has 56355 conditions, 37494 events. 7827/37494 cut-off events. For 2896/2948 co-relation queries the response was YES. Maximal size of possible extension queue 932. Compared 520780 event pairs, 3086 based on Foata normal form. 0/32893 useless extension candidates. Maximal degree in co-relation 56347. Up to 7652 conditions per place. [2024-11-16 23:12:56,868 INFO L140 encePairwiseOnDemand]: 247/280 looper letters, 50 selfloop transitions, 24 changer transitions 0/289 dead transitions. [2024-11-16 23:12:56,868 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 247 places, 289 transitions, 890 flow [2024-11-16 23:12:56,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:12:56,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:12:56,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 695 transitions. [2024-11-16 23:12:56,870 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8273809523809523 [2024-11-16 23:12:56,870 INFO L175 Difference]: Start difference. First operand has 245 places, 257 transitions, 650 flow. Second operand 3 states and 695 transitions. [2024-11-16 23:12:56,870 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 247 places, 289 transitions, 890 flow [2024-11-16 23:12:57,009 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 245 places, 289 transitions, 848 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-16 23:12:57,012 INFO L231 Difference]: Finished difference. Result has 247 places, 281 transitions, 824 flow [2024-11-16 23:12:57,012 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=280, PETRI_DIFFERENCE_MINUEND_FLOW=614, PETRI_DIFFERENCE_MINUEND_PLACES=243, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=257, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=233, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=824, PETRI_PLACES=247, PETRI_TRANSITIONS=281} [2024-11-16 23:12:57,013 INFO L277 CegarLoopForPetriNet]: 265 programPoint places, -18 predicate places. [2024-11-16 23:12:57,013 INFO L471 AbstractCegarLoop]: Abstraction has has 247 places, 281 transitions, 824 flow [2024-11-16 23:12:57,014 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 207.33333333333334) internal successors, (622), 3 states have internal predecessors, (622), 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 23:12:57,014 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:12:57,014 INFO L204 CegarLoopForPetriNet]: trace histogram [4, 4, 4, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 23:12:57,014 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-16 23:12:57,014 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [thr1Err12ASSERT_VIOLATIONDATA_RACE, thr1Err11ASSERT_VIOLATIONDATA_RACE, thr1Err10ASSERT_VIOLATIONDATA_RACE, thr1Err9ASSERT_VIOLATIONDATA_RACE (and 49 more)] === [2024-11-16 23:12:57,015 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:12:57,015 INFO L85 PathProgramCache]: Analyzing trace with hash -146820574, now seen corresponding path program 1 times [2024-11-16 23:12:57,015 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:12:57,015 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1922681889] [2024-11-16 23:12:57,015 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:12:57,015 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:12:57,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-16 23:12:57,024 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-16 23:12:57,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-16 23:12:57,040 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-16 23:12:57,041 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-16 23:12:57,041 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (52 of 53 remaining) [2024-11-16 23:12:57,041 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err12ASSERT_VIOLATIONDATA_RACE (51 of 53 remaining) [2024-11-16 23:12:57,041 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err11ASSERT_VIOLATIONDATA_RACE (50 of 53 remaining) [2024-11-16 23:12:57,041 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONDATA_RACE (49 of 53 remaining) [2024-11-16 23:12:57,042 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONDATA_RACE (48 of 53 remaining) [2024-11-16 23:12:57,042 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONDATA_RACE (47 of 53 remaining) [2024-11-16 23:12:57,042 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONDATA_RACE (46 of 53 remaining) [2024-11-16 23:12:57,042 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (45 of 53 remaining) [2024-11-16 23:12:57,042 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (44 of 53 remaining) [2024-11-16 23:12:57,042 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (43 of 53 remaining) [2024-11-16 23:12:57,042 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (42 of 53 remaining) [2024-11-16 23:12:57,043 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (41 of 53 remaining) [2024-11-16 23:12:57,043 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (40 of 53 remaining) [2024-11-16 23:12:57,043 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (39 of 53 remaining) [2024-11-16 23:12:57,043 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err12ASSERT_VIOLATIONDATA_RACE (38 of 53 remaining) [2024-11-16 23:12:57,043 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err11ASSERT_VIOLATIONDATA_RACE (37 of 53 remaining) [2024-11-16 23:12:57,043 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONDATA_RACE (36 of 53 remaining) [2024-11-16 23:12:57,044 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONDATA_RACE (35 of 53 remaining) [2024-11-16 23:12:57,044 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONDATA_RACE (34 of 53 remaining) [2024-11-16 23:12:57,044 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONDATA_RACE (33 of 53 remaining) [2024-11-16 23:12:57,044 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (32 of 53 remaining) [2024-11-16 23:12:57,044 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (31 of 53 remaining) [2024-11-16 23:12:57,044 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (30 of 53 remaining) [2024-11-16 23:12:57,044 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (29 of 53 remaining) [2024-11-16 23:12:57,045 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (28 of 53 remaining) [2024-11-16 23:12:57,045 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (27 of 53 remaining) [2024-11-16 23:12:57,045 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (26 of 53 remaining) [2024-11-16 23:12:57,045 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err12ASSERT_VIOLATIONDATA_RACE (25 of 53 remaining) [2024-11-16 23:12:57,045 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err11ASSERT_VIOLATIONDATA_RACE (24 of 53 remaining) [2024-11-16 23:12:57,045 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONDATA_RACE (23 of 53 remaining) [2024-11-16 23:12:57,045 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONDATA_RACE (22 of 53 remaining) [2024-11-16 23:12:57,046 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONDATA_RACE (21 of 53 remaining) [2024-11-16 23:12:57,046 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONDATA_RACE (20 of 53 remaining) [2024-11-16 23:12:57,046 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (19 of 53 remaining) [2024-11-16 23:12:57,046 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (18 of 53 remaining) [2024-11-16 23:12:57,046 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (17 of 53 remaining) [2024-11-16 23:12:57,046 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (16 of 53 remaining) [2024-11-16 23:12:57,047 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (15 of 53 remaining) [2024-11-16 23:12:57,047 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (14 of 53 remaining) [2024-11-16 23:12:57,047 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (13 of 53 remaining) [2024-11-16 23:12:57,047 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err12ASSERT_VIOLATIONDATA_RACE (12 of 53 remaining) [2024-11-16 23:12:57,047 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err11ASSERT_VIOLATIONDATA_RACE (11 of 53 remaining) [2024-11-16 23:12:57,047 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONDATA_RACE (10 of 53 remaining) [2024-11-16 23:12:57,047 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONDATA_RACE (9 of 53 remaining) [2024-11-16 23:12:57,048 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONDATA_RACE (8 of 53 remaining) [2024-11-16 23:12:57,048 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONDATA_RACE (7 of 53 remaining) [2024-11-16 23:12:57,048 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (6 of 53 remaining) [2024-11-16 23:12:57,048 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (5 of 53 remaining) [2024-11-16 23:12:57,048 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (4 of 53 remaining) [2024-11-16 23:12:57,048 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (3 of 53 remaining) [2024-11-16 23:12:57,048 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (2 of 53 remaining) [2024-11-16 23:12:57,049 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (1 of 53 remaining) [2024-11-16 23:12:57,049 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (0 of 53 remaining) [2024-11-16 23:12:57,049 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-16 23:12:57,049 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2024-11-16 23:12:57,050 WARN L244 ceAbstractionStarter]: 3 thread instances were not sufficient, I will increase this number and restart the analysis [2024-11-16 23:12:57,050 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 4 thread instances. [2024-11-16 23:12:57,091 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-11-16 23:12:57,095 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 345 places, 365 transitions, 758 flow [2024-11-16 23:12:57,153 INFO L124 PetriNetUnfolderBase]: 33/411 cut-off events. [2024-11-16 23:12:57,153 INFO L125 PetriNetUnfolderBase]: For 16/16 co-relation queries the response was YES. [2024-11-16 23:12:57,160 INFO L83 FinitePrefix]: Finished finitePrefix Result has 430 conditions, 411 events. 33/411 cut-off events. For 16/16 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 1494 event pairs, 0 based on Foata normal form. 0/321 useless extension candidates. Maximal degree in co-relation 348. Up to 10 conditions per place. [2024-11-16 23:12:57,160 INFO L82 GeneralOperation]: Start removeDead. Operand has 345 places, 365 transitions, 758 flow [2024-11-16 23:12:57,165 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 345 places, 365 transitions, 758 flow [2024-11-16 23:12:57,167 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-16 23:12:57,169 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;@7379c7c7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-16 23:12:57,169 INFO L334 AbstractCegarLoop]: Starting to check reachability of 66 error locations. [2024-11-16 23:12:57,171 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-16 23:12:57,171 INFO L124 PetriNetUnfolderBase]: 2/37 cut-off events. [2024-11-16 23:12:57,171 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-16 23:12:57,171 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:12:57,171 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] [2024-11-16 23:12:57,171 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting thr1Err12ASSERT_VIOLATIONDATA_RACE === [thr1Err12ASSERT_VIOLATIONDATA_RACE, thr1Err11ASSERT_VIOLATIONDATA_RACE, thr1Err10ASSERT_VIOLATIONDATA_RACE, thr1Err9ASSERT_VIOLATIONDATA_RACE (and 62 more)] === [2024-11-16 23:12:57,172 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:12:57,172 INFO L85 PathProgramCache]: Analyzing trace with hash -1000541533, now seen corresponding path program 1 times [2024-11-16 23:12:57,172 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:12:57,172 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1310572625] [2024-11-16 23:12:57,172 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:12:57,172 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:12:57,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:12:57,192 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 23:12:57,192 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:12:57,192 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1310572625] [2024-11-16 23:12:57,192 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1310572625] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:12:57,192 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:12:57,192 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-16 23:12:57,193 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2044685955] [2024-11-16 23:12:57,193 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:12:57,193 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-16 23:12:57,193 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:12:57,193 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-16 23:12:57,194 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-16 23:12:57,195 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 311 out of 365 [2024-11-16 23:12:57,195 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 345 places, 365 transitions, 758 flow. Second operand has 2 states, 2 states have (on average 312.0) internal successors, (624), 2 states have internal predecessors, (624), 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 23:12:57,195 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:12:57,196 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 311 of 365 [2024-11-16 23:12:57,196 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:12:57,536 INFO L124 PetriNetUnfolderBase]: 86/1846 cut-off events. [2024-11-16 23:12:57,536 INFO L125 PetriNetUnfolderBase]: For 117/117 co-relation queries the response was YES. [2024-11-16 23:12:57,551 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1980 conditions, 1846 events. 86/1846 cut-off events. For 117/117 co-relation queries the response was YES. Maximal size of possible extension queue 52. Compared 15093 event pairs, 34 based on Foata normal form. 223/1751 useless extension candidates. Maximal degree in co-relation 1081. Up to 65 conditions per place. [2024-11-16 23:12:57,558 INFO L140 encePairwiseOnDemand]: 323/365 looper letters, 8 selfloop transitions, 0 changer transitions 0/312 dead transitions. [2024-11-16 23:12:57,558 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 314 places, 312 transitions, 668 flow [2024-11-16 23:12:57,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-16 23:12:57,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2024-11-16 23:12:57,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 672 transitions. [2024-11-16 23:12:57,561 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9205479452054794 [2024-11-16 23:12:57,561 INFO L175 Difference]: Start difference. First operand has 345 places, 365 transitions, 758 flow. Second operand 2 states and 672 transitions. [2024-11-16 23:12:57,561 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 314 places, 312 transitions, 668 flow [2024-11-16 23:12:57,563 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 314 places, 312 transitions, 662 flow, removed 3 selfloop flow, removed 0 redundant places. [2024-11-16 23:12:57,565 INFO L231 Difference]: Finished difference. Result has 314 places, 312 transitions, 646 flow [2024-11-16 23:12:57,565 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=365, PETRI_DIFFERENCE_MINUEND_FLOW=646, PETRI_DIFFERENCE_MINUEND_PLACES=313, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=312, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=312, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=646, PETRI_PLACES=314, PETRI_TRANSITIONS=312} [2024-11-16 23:12:57,567 INFO L277 CegarLoopForPetriNet]: 345 programPoint places, -31 predicate places. [2024-11-16 23:12:57,567 INFO L471 AbstractCegarLoop]: Abstraction has has 314 places, 312 transitions, 646 flow [2024-11-16 23:12:57,568 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 312.0) internal successors, (624), 2 states have internal predecessors, (624), 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 23:12:57,568 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:12:57,568 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] [2024-11-16 23:12:57,568 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-16 23:12:57,568 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting thr1Err7ASSERT_VIOLATIONDATA_RACE === [thr1Err12ASSERT_VIOLATIONDATA_RACE, thr1Err11ASSERT_VIOLATIONDATA_RACE, thr1Err10ASSERT_VIOLATIONDATA_RACE, thr1Err9ASSERT_VIOLATIONDATA_RACE (and 62 more)] === [2024-11-16 23:12:57,568 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:12:57,568 INFO L85 PathProgramCache]: Analyzing trace with hash 826249141, now seen corresponding path program 1 times [2024-11-16 23:12:57,569 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:12:57,569 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [648313240] [2024-11-16 23:12:57,569 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:12:57,569 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:12:57,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:12:57,603 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 23:12:57,604 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:12:57,606 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [648313240] [2024-11-16 23:12:57,607 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [648313240] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:12:57,607 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:12:57,607 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 23:12:57,607 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [781436964] [2024-11-16 23:12:57,607 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:12:57,607 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:12:57,607 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:12:57,607 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:12:57,608 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:12:57,646 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 283 out of 365 [2024-11-16 23:12:57,647 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 314 places, 312 transitions, 646 flow. Second operand has 3 states, 3 states have (on average 284.3333333333333) internal successors, (853), 3 states have internal predecessors, (853), 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 23:12:57,647 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:12:57,647 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 283 of 365 [2024-11-16 23:12:57,647 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:13:05,463 INFO L124 PetriNetUnfolderBase]: 15440/67268 cut-off events. [2024-11-16 23:13:05,463 INFO L125 PetriNetUnfolderBase]: For 2056/2056 co-relation queries the response was YES. [2024-11-16 23:13:05,818 INFO L83 FinitePrefix]: Finished finitePrefix Result has 90388 conditions, 67268 events. 15440/67268 cut-off events. For 2056/2056 co-relation queries the response was YES. Maximal size of possible extension queue 1134. Compared 949261 event pairs, 6393 based on Foata normal form. 0/56623 useless extension candidates. Maximal degree in co-relation 90381. Up to 16154 conditions per place. [2024-11-16 23:13:06,098 INFO L140 encePairwiseOnDemand]: 333/365 looper letters, 39 selfloop transitions, 24 changer transitions 0/339 dead transitions. [2024-11-16 23:13:06,098 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 316 places, 339 transitions, 841 flow [2024-11-16 23:13:06,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:13:06,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:13:06,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 920 transitions. [2024-11-16 23:13:06,100 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8401826484018264 [2024-11-16 23:13:06,100 INFO L175 Difference]: Start difference. First operand has 314 places, 312 transitions, 646 flow. Second operand 3 states and 920 transitions. [2024-11-16 23:13:06,100 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 316 places, 339 transitions, 841 flow [2024-11-16 23:13:06,102 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 316 places, 339 transitions, 841 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-16 23:13:06,104 INFO L231 Difference]: Finished difference. Result has 318 places, 336 transitions, 854 flow [2024-11-16 23:13:06,104 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=365, PETRI_DIFFERENCE_MINUEND_FLOW=646, PETRI_DIFFERENCE_MINUEND_PLACES=314, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=312, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=288, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=854, PETRI_PLACES=318, PETRI_TRANSITIONS=336} [2024-11-16 23:13:06,105 INFO L277 CegarLoopForPetriNet]: 345 programPoint places, -27 predicate places. [2024-11-16 23:13:06,105 INFO L471 AbstractCegarLoop]: Abstraction has has 318 places, 336 transitions, 854 flow [2024-11-16 23:13:06,106 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 284.3333333333333) internal successors, (853), 3 states have internal predecessors, (853), 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 23:13:06,106 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:13:06,106 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] [2024-11-16 23:13:06,106 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-16 23:13:06,106 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting thr1Err6ASSERT_VIOLATIONDATA_RACE === [thr1Err12ASSERT_VIOLATIONDATA_RACE, thr1Err11ASSERT_VIOLATIONDATA_RACE, thr1Err10ASSERT_VIOLATIONDATA_RACE, thr1Err9ASSERT_VIOLATIONDATA_RACE (and 62 more)] === [2024-11-16 23:13:06,106 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:13:06,106 INFO L85 PathProgramCache]: Analyzing trace with hash 1697627918, now seen corresponding path program 1 times [2024-11-16 23:13:06,107 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:13:06,107 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2125910730] [2024-11-16 23:13:06,107 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:13:06,107 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:13:06,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:13:06,133 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 23:13:06,133 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:13:06,133 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2125910730] [2024-11-16 23:13:06,133 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2125910730] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:13:06,133 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:13:06,133 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 23:13:06,134 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1271678951] [2024-11-16 23:13:06,134 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:13:06,134 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:13:06,134 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:13:06,134 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:13:06,135 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:13:06,193 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 267 out of 365 [2024-11-16 23:13:06,194 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 318 places, 336 transitions, 854 flow. Second operand has 3 states, 3 states have (on average 268.3333333333333) internal successors, (805), 3 states have internal predecessors, (805), 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 23:13:06,194 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:13:06,194 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 267 of 365 [2024-11-16 23:13:06,194 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:13:10,485 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([1200] L693-->L704-1: Formula: (and (= |v_#race~now_serving~0_27| 0) (let ((.cse1 (mod (mod (+ v_~next_ticket~0_56 1) 4294967296) 3))) (let ((.cse0 (= (mod v_~now_serving~0_22 4294967296) .cse1))) (or (and (= 3 |v_thr1Thread4of4ForFork0_fetch_and_increment__next_ticket_~value~0#1_13|) (= |v_#race~next_ticket~0_91| 0) (= v_~next_ticket~0_56 v_~next_ticket~0_55) (= |v_thr1Thread4of4ForFork0_fetch_and_increment__next_ticket_#t~nondet3#1_6| |v_thr1Thread4of4ForFork0_fetch_and_increment__next_ticket_#t~nondet3#1_5|) .cse0) (and (not .cse0) (= v_~next_ticket~0_55 .cse1) (= v_~next_ticket~0_56 |v_thr1Thread4of4ForFork0_fetch_and_increment__next_ticket_~value~0#1_13|)))))) InVars {~now_serving~0=v_~now_serving~0_22, thr1Thread4of4ForFork0_fetch_and_increment__next_ticket_#t~nondet3#1=|v_thr1Thread4of4ForFork0_fetch_and_increment__next_ticket_#t~nondet3#1_5|, ~next_ticket~0=v_~next_ticket~0_56} OutVars{~now_serving~0=v_~now_serving~0_22, ~next_ticket~0=v_~next_ticket~0_55, thr1Thread4of4ForFork0_fetch_and_increment__next_ticket_~value~0#1=|v_thr1Thread4of4ForFork0_fetch_and_increment__next_ticket_~value~0#1_13|, thr1Thread4of4ForFork0_fetch_and_increment__next_ticket_#t~nondet3#1=|v_thr1Thread4of4ForFork0_fetch_and_increment__next_ticket_#t~nondet3#1_6|, #race~now_serving~0=|v_#race~now_serving~0_27|, #race~next_ticket~0=|v_#race~next_ticket~0_91|} AuxVars[] AssignedVars[~next_ticket~0, thr1Thread4of4ForFork0_fetch_and_increment__next_ticket_~value~0#1, thr1Thread4of4ForFork0_fetch_and_increment__next_ticket_#t~nondet3#1, #race~now_serving~0, #race~next_ticket~0][205], [Black: 350#true, 9#L728-7true, 18#L704-1true, 240#L713-1true, 352#(= |#race~now_serving~0| 0), 56#L734-2true, 344#true, 348#true, 217#L713true, 346#true, 357#(= |#race~c~0| 0), 340#true, 342#true]) [2024-11-16 23:13:10,485 INFO L294 olderBase$Statistics]: this new event has 110 ancestors and is cut-off event [2024-11-16 23:13:10,485 INFO L297 olderBase$Statistics]: existing Event has 110 ancestors and is cut-off event [2024-11-16 23:13:10,485 INFO L297 olderBase$Statistics]: existing Event has 110 ancestors and is cut-off event [2024-11-16 23:13:10,485 INFO L297 olderBase$Statistics]: existing Event has 115 ancestors and is cut-off event [2024-11-16 23:13:10,520 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([1116] L693-->L704-1: Formula: (and (let ((.cse1 (mod (mod (+ v_~next_ticket~0_56 1) 4294967296) 3))) (let ((.cse0 (= (mod v_~now_serving~0_22 4294967296) .cse1))) (or (and (not .cse0) (= v_~next_ticket~0_56 |v_thr1Thread3of4ForFork0_fetch_and_increment__next_ticket_~value~0#1_13|) (= v_~next_ticket~0_55 .cse1)) (and (= |v_#race~next_ticket~0_91| 0) (= v_~next_ticket~0_56 v_~next_ticket~0_55) (= |v_thr1Thread3of4ForFork0_fetch_and_increment__next_ticket_#t~nondet3#1_6| |v_thr1Thread3of4ForFork0_fetch_and_increment__next_ticket_#t~nondet3#1_5|) (= 3 |v_thr1Thread3of4ForFork0_fetch_and_increment__next_ticket_~value~0#1_13|) .cse0)))) (= |v_#race~now_serving~0_27| 0)) InVars {~now_serving~0=v_~now_serving~0_22, ~next_ticket~0=v_~next_ticket~0_56, thr1Thread3of4ForFork0_fetch_and_increment__next_ticket_#t~nondet3#1=|v_thr1Thread3of4ForFork0_fetch_and_increment__next_ticket_#t~nondet3#1_5|} OutVars{~now_serving~0=v_~now_serving~0_22, ~next_ticket~0=v_~next_ticket~0_55, thr1Thread3of4ForFork0_fetch_and_increment__next_ticket_~value~0#1=|v_thr1Thread3of4ForFork0_fetch_and_increment__next_ticket_~value~0#1_13|, #race~now_serving~0=|v_#race~now_serving~0_27|, #race~next_ticket~0=|v_#race~next_ticket~0_91|, thr1Thread3of4ForFork0_fetch_and_increment__next_ticket_#t~nondet3#1=|v_thr1Thread3of4ForFork0_fetch_and_increment__next_ticket_#t~nondet3#1_6|} AuxVars[] AssignedVars[~next_ticket~0, thr1Thread3of4ForFork0_fetch_and_increment__next_ticket_~value~0#1, #race~now_serving~0, #race~next_ticket~0, thr1Thread3of4ForFork0_fetch_and_increment__next_ticket_#t~nondet3#1][158], [Black: 350#true, 9#L728-7true, 240#L713-1true, 352#(= |#race~now_serving~0| 0), 56#L734-2true, 344#true, 348#true, 197#L704-1true, 346#true, 49#L713true, 357#(= |#race~c~0| 0), 340#true, 342#true]) [2024-11-16 23:13:10,520 INFO L294 olderBase$Statistics]: this new event has 115 ancestors and is cut-off event [2024-11-16 23:13:10,520 INFO L297 olderBase$Statistics]: existing Event has 110 ancestors and is cut-off event [2024-11-16 23:13:10,520 INFO L297 olderBase$Statistics]: existing Event has 110 ancestors and is cut-off event [2024-11-16 23:13:10,520 INFO L297 olderBase$Statistics]: existing Event has 110 ancestors and is cut-off event [2024-11-16 23:13:10,658 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([1284] L693-->L704-1: Formula: (and (let ((.cse1 (mod (mod (+ v_~next_ticket~0_56 1) 4294967296) 3))) (let ((.cse0 (= (mod v_~now_serving~0_22 4294967296) .cse1))) (or (and (not .cse0) (= v_~next_ticket~0_55 .cse1) (= v_~next_ticket~0_56 |v_thr1Thread1of4ForFork0_fetch_and_increment__next_ticket_~value~0#1_13|)) (and (= |v_thr1Thread1of4ForFork0_fetch_and_increment__next_ticket_#t~nondet3#1_6| |v_thr1Thread1of4ForFork0_fetch_and_increment__next_ticket_#t~nondet3#1_5|) (= |v_#race~next_ticket~0_91| 0) (= v_~next_ticket~0_56 v_~next_ticket~0_55) (= 3 |v_thr1Thread1of4ForFork0_fetch_and_increment__next_ticket_~value~0#1_13|) .cse0)))) (= |v_#race~now_serving~0_27| 0)) InVars {~now_serving~0=v_~now_serving~0_22, ~next_ticket~0=v_~next_ticket~0_56, thr1Thread1of4ForFork0_fetch_and_increment__next_ticket_#t~nondet3#1=|v_thr1Thread1of4ForFork0_fetch_and_increment__next_ticket_#t~nondet3#1_5|} OutVars{~now_serving~0=v_~now_serving~0_22, ~next_ticket~0=v_~next_ticket~0_55, thr1Thread1of4ForFork0_fetch_and_increment__next_ticket_~value~0#1=|v_thr1Thread1of4ForFork0_fetch_and_increment__next_ticket_~value~0#1_13|, #race~now_serving~0=|v_#race~now_serving~0_27|, #race~next_ticket~0=|v_#race~next_ticket~0_91|, thr1Thread1of4ForFork0_fetch_and_increment__next_ticket_#t~nondet3#1=|v_thr1Thread1of4ForFork0_fetch_and_increment__next_ticket_#t~nondet3#1_6|} AuxVars[] AssignedVars[~next_ticket~0, thr1Thread1of4ForFork0_fetch_and_increment__next_ticket_~value~0#1, #race~now_serving~0, #race~next_ticket~0, thr1Thread1of4ForFork0_fetch_and_increment__next_ticket_#t~nondet3#1][111], [Black: 350#true, 338#L728-7true, 319#L713-1true, 352#(= |#race~now_serving~0| 0), 56#L734-2true, 344#true, 348#true, 295#L704-1true, 346#true, 49#L713true, 357#(= |#race~c~0| 0), 340#true, 342#true]) [2024-11-16 23:13:10,658 INFO L294 olderBase$Statistics]: this new event has 115 ancestors and is cut-off event [2024-11-16 23:13:10,658 INFO L297 olderBase$Statistics]: existing Event has 110 ancestors and is cut-off event [2024-11-16 23:13:10,658 INFO L297 olderBase$Statistics]: existing Event has 110 ancestors and is cut-off event [2024-11-16 23:13:10,658 INFO L297 olderBase$Statistics]: existing Event has 110 ancestors and is cut-off event [2024-11-16 23:13:10,980 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([1200] L693-->L704-1: Formula: (and (= |v_#race~now_serving~0_27| 0) (let ((.cse1 (mod (mod (+ v_~next_ticket~0_56 1) 4294967296) 3))) (let ((.cse0 (= (mod v_~now_serving~0_22 4294967296) .cse1))) (or (and (= 3 |v_thr1Thread4of4ForFork0_fetch_and_increment__next_ticket_~value~0#1_13|) (= |v_#race~next_ticket~0_91| 0) (= v_~next_ticket~0_56 v_~next_ticket~0_55) (= |v_thr1Thread4of4ForFork0_fetch_and_increment__next_ticket_#t~nondet3#1_6| |v_thr1Thread4of4ForFork0_fetch_and_increment__next_ticket_#t~nondet3#1_5|) .cse0) (and (not .cse0) (= v_~next_ticket~0_55 .cse1) (= v_~next_ticket~0_56 |v_thr1Thread4of4ForFork0_fetch_and_increment__next_ticket_~value~0#1_13|)))))) InVars {~now_serving~0=v_~now_serving~0_22, thr1Thread4of4ForFork0_fetch_and_increment__next_ticket_#t~nondet3#1=|v_thr1Thread4of4ForFork0_fetch_and_increment__next_ticket_#t~nondet3#1_5|, ~next_ticket~0=v_~next_ticket~0_56} OutVars{~now_serving~0=v_~now_serving~0_22, ~next_ticket~0=v_~next_ticket~0_55, thr1Thread4of4ForFork0_fetch_and_increment__next_ticket_~value~0#1=|v_thr1Thread4of4ForFork0_fetch_and_increment__next_ticket_~value~0#1_13|, thr1Thread4of4ForFork0_fetch_and_increment__next_ticket_#t~nondet3#1=|v_thr1Thread4of4ForFork0_fetch_and_increment__next_ticket_#t~nondet3#1_6|, #race~now_serving~0=|v_#race~now_serving~0_27|, #race~next_ticket~0=|v_#race~next_ticket~0_91|} AuxVars[] AssignedVars[~next_ticket~0, thr1Thread4of4ForFork0_fetch_and_increment__next_ticket_~value~0#1, thr1Thread4of4ForFork0_fetch_and_increment__next_ticket_#t~nondet3#1, #race~now_serving~0, #race~next_ticket~0][205], [Black: 350#true, 18#L704-1true, 240#L713-1true, 352#(= |#race~now_serving~0| 0), 56#L734-2true, 344#true, 348#true, 217#L713true, 346#true, 357#(= |#race~c~0| 0), 340#true, 178#L728-6true, 342#true]) [2024-11-16 23:13:10,980 INFO L294 olderBase$Statistics]: this new event has 111 ancestors and is cut-off event [2024-11-16 23:13:10,980 INFO L297 olderBase$Statistics]: existing Event has 116 ancestors and is cut-off event [2024-11-16 23:13:10,981 INFO L297 olderBase$Statistics]: existing Event has 111 ancestors and is cut-off event [2024-11-16 23:13:10,981 INFO L297 olderBase$Statistics]: existing Event has 111 ancestors and is cut-off event [2024-11-16 23:13:11,035 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([1116] L693-->L704-1: Formula: (and (let ((.cse1 (mod (mod (+ v_~next_ticket~0_56 1) 4294967296) 3))) (let ((.cse0 (= (mod v_~now_serving~0_22 4294967296) .cse1))) (or (and (not .cse0) (= v_~next_ticket~0_56 |v_thr1Thread3of4ForFork0_fetch_and_increment__next_ticket_~value~0#1_13|) (= v_~next_ticket~0_55 .cse1)) (and (= |v_#race~next_ticket~0_91| 0) (= v_~next_ticket~0_56 v_~next_ticket~0_55) (= |v_thr1Thread3of4ForFork0_fetch_and_increment__next_ticket_#t~nondet3#1_6| |v_thr1Thread3of4ForFork0_fetch_and_increment__next_ticket_#t~nondet3#1_5|) (= 3 |v_thr1Thread3of4ForFork0_fetch_and_increment__next_ticket_~value~0#1_13|) .cse0)))) (= |v_#race~now_serving~0_27| 0)) InVars {~now_serving~0=v_~now_serving~0_22, ~next_ticket~0=v_~next_ticket~0_56, thr1Thread3of4ForFork0_fetch_and_increment__next_ticket_#t~nondet3#1=|v_thr1Thread3of4ForFork0_fetch_and_increment__next_ticket_#t~nondet3#1_5|} OutVars{~now_serving~0=v_~now_serving~0_22, ~next_ticket~0=v_~next_ticket~0_55, thr1Thread3of4ForFork0_fetch_and_increment__next_ticket_~value~0#1=|v_thr1Thread3of4ForFork0_fetch_and_increment__next_ticket_~value~0#1_13|, #race~now_serving~0=|v_#race~now_serving~0_27|, #race~next_ticket~0=|v_#race~next_ticket~0_91|, thr1Thread3of4ForFork0_fetch_and_increment__next_ticket_#t~nondet3#1=|v_thr1Thread3of4ForFork0_fetch_and_increment__next_ticket_#t~nondet3#1_6|} AuxVars[] AssignedVars[~next_ticket~0, thr1Thread3of4ForFork0_fetch_and_increment__next_ticket_~value~0#1, #race~now_serving~0, #race~next_ticket~0, thr1Thread3of4ForFork0_fetch_and_increment__next_ticket_#t~nondet3#1][158], [Black: 350#true, 240#L713-1true, 352#(= |#race~now_serving~0| 0), 56#L734-2true, 344#true, 348#true, 197#L704-1true, 346#true, 49#L713true, 357#(= |#race~c~0| 0), 340#true, 178#L728-6true, 342#true]) [2024-11-16 23:13:11,036 INFO L294 olderBase$Statistics]: this new event has 116 ancestors and is cut-off event [2024-11-16 23:13:11,036 INFO L297 olderBase$Statistics]: existing Event has 111 ancestors and is cut-off event [2024-11-16 23:13:11,036 INFO L297 olderBase$Statistics]: existing Event has 111 ancestors and is cut-off event [2024-11-16 23:13:11,036 INFO L297 olderBase$Statistics]: existing Event has 111 ancestors and is cut-off event [2024-11-16 23:13:11,246 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([1284] L693-->L704-1: Formula: (and (let ((.cse1 (mod (mod (+ v_~next_ticket~0_56 1) 4294967296) 3))) (let ((.cse0 (= (mod v_~now_serving~0_22 4294967296) .cse1))) (or (and (not .cse0) (= v_~next_ticket~0_55 .cse1) (= v_~next_ticket~0_56 |v_thr1Thread1of4ForFork0_fetch_and_increment__next_ticket_~value~0#1_13|)) (and (= |v_thr1Thread1of4ForFork0_fetch_and_increment__next_ticket_#t~nondet3#1_6| |v_thr1Thread1of4ForFork0_fetch_and_increment__next_ticket_#t~nondet3#1_5|) (= |v_#race~next_ticket~0_91| 0) (= v_~next_ticket~0_56 v_~next_ticket~0_55) (= 3 |v_thr1Thread1of4ForFork0_fetch_and_increment__next_ticket_~value~0#1_13|) .cse0)))) (= |v_#race~now_serving~0_27| 0)) InVars {~now_serving~0=v_~now_serving~0_22, ~next_ticket~0=v_~next_ticket~0_56, thr1Thread1of4ForFork0_fetch_and_increment__next_ticket_#t~nondet3#1=|v_thr1Thread1of4ForFork0_fetch_and_increment__next_ticket_#t~nondet3#1_5|} OutVars{~now_serving~0=v_~now_serving~0_22, ~next_ticket~0=v_~next_ticket~0_55, thr1Thread1of4ForFork0_fetch_and_increment__next_ticket_~value~0#1=|v_thr1Thread1of4ForFork0_fetch_and_increment__next_ticket_~value~0#1_13|, #race~now_serving~0=|v_#race~now_serving~0_27|, #race~next_ticket~0=|v_#race~next_ticket~0_91|, thr1Thread1of4ForFork0_fetch_and_increment__next_ticket_#t~nondet3#1=|v_thr1Thread1of4ForFork0_fetch_and_increment__next_ticket_#t~nondet3#1_6|} AuxVars[] AssignedVars[~next_ticket~0, thr1Thread1of4ForFork0_fetch_and_increment__next_ticket_~value~0#1, #race~now_serving~0, #race~next_ticket~0, thr1Thread1of4ForFork0_fetch_and_increment__next_ticket_#t~nondet3#1][111], [Black: 350#true, 319#L713-1true, 352#(= |#race~now_serving~0| 0), 56#L734-2true, 344#true, 348#true, 295#L704-1true, 346#true, 49#L713true, 12#L728-6true, 357#(= |#race~c~0| 0), 340#true, 342#true]) [2024-11-16 23:13:11,247 INFO L294 olderBase$Statistics]: this new event has 116 ancestors and is cut-off event [2024-11-16 23:13:11,247 INFO L297 olderBase$Statistics]: existing Event has 111 ancestors and is cut-off event [2024-11-16 23:13:11,247 INFO L297 olderBase$Statistics]: existing Event has 111 ancestors and is cut-off event [2024-11-16 23:13:11,247 INFO L297 olderBase$Statistics]: existing Event has 111 ancestors and is cut-off event [2024-11-16 23:13:11,619 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([1217] L725-->L726-7: Formula: (= |v_#race~c~0_15| 0) InVars {} OutVars{#race~c~0=|v_#race~c~0_15|} AuxVars[] AssignedVars[#race~c~0][281], [Black: 350#true, 352#(= |#race~now_serving~0| 0), 56#L734-2true, 344#true, 348#true, 217#L713true, 295#L704-1true, 106#L726-7true, 346#true, 199#L727-1true, 357#(= |#race~c~0| 0), 340#true, 342#true]) [2024-11-16 23:13:11,619 INFO L294 olderBase$Statistics]: this new event has 112 ancestors and is cut-off event [2024-11-16 23:13:11,619 INFO L297 olderBase$Statistics]: existing Event has 112 ancestors and is cut-off event [2024-11-16 23:13:11,619 INFO L297 olderBase$Statistics]: existing Event has 112 ancestors and is cut-off event [2024-11-16 23:13:11,619 INFO L297 olderBase$Statistics]: existing Event has 113 ancestors and is cut-off event [2024-11-16 23:13:12,106 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([1133] L725-->L726-7: Formula: (= |v_#race~c~0_15| 0) InVars {} OutVars{#race~c~0=|v_#race~c~0_15|} AuxVars[] AssignedVars[#race~c~0][242], [Black: 350#true, 9#L728-7true, 352#(= |#race~now_serving~0| 0), 56#L734-2true, 84#L726-7true, 344#true, 348#true, 346#true, 46#L713-1true, 357#(= |#race~c~0| 0), 340#true, 264#L704-1true, 342#true]) [2024-11-16 23:13:12,106 INFO L294 olderBase$Statistics]: this new event has 113 ancestors and is cut-off event [2024-11-16 23:13:12,106 INFO L297 olderBase$Statistics]: existing Event has 113 ancestors and is cut-off event [2024-11-16 23:13:12,106 INFO L297 olderBase$Statistics]: existing Event has 114 ancestors and is cut-off event [2024-11-16 23:13:12,106 INFO L297 olderBase$Statistics]: existing Event has 113 ancestors and is cut-off event [2024-11-16 23:13:12,412 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([1133] L725-->L726-7: Formula: (= |v_#race~c~0_15| 0) InVars {} OutVars{#race~c~0=|v_#race~c~0_15|} AuxVars[] AssignedVars[#race~c~0][242], [Black: 350#true, 352#(= |#race~now_serving~0| 0), 56#L734-2true, 84#L726-7true, 344#true, 348#true, 346#true, 46#L713-1true, 357#(= |#race~c~0| 0), 340#true, 264#L704-1true, 342#true, 178#L728-6true]) [2024-11-16 23:13:12,412 INFO L294 olderBase$Statistics]: this new event has 114 ancestors and is cut-off event [2024-11-16 23:13:12,412 INFO L297 olderBase$Statistics]: existing Event has 114 ancestors and is cut-off event [2024-11-16 23:13:12,412 INFO L297 olderBase$Statistics]: existing Event has 115 ancestors and is cut-off event [2024-11-16 23:13:12,412 INFO L297 olderBase$Statistics]: existing Event has 114 ancestors and is cut-off event [2024-11-16 23:13:12,493 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([1217] L725-->L726-7: Formula: (= |v_#race~c~0_15| 0) InVars {} OutVars{#race~c~0=|v_#race~c~0_15|} AuxVars[] AssignedVars[#race~c~0][281], [Black: 350#true, 338#L728-7true, 352#(= |#race~now_serving~0| 0), 56#L734-2true, 344#true, 348#true, 217#L713true, 295#L704-1true, 106#L726-7true, 346#true, 357#(= |#race~c~0| 0), 340#true, 342#true]) [2024-11-16 23:13:12,493 INFO L294 olderBase$Statistics]: this new event has 114 ancestors and is cut-off event [2024-11-16 23:13:12,493 INFO L297 olderBase$Statistics]: existing Event has 114 ancestors and is cut-off event [2024-11-16 23:13:12,493 INFO L297 olderBase$Statistics]: existing Event has 114 ancestors and is cut-off event [2024-11-16 23:13:12,493 INFO L297 olderBase$Statistics]: existing Event has 115 ancestors and is cut-off event [2024-11-16 23:13:12,985 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([1217] L725-->L726-7: Formula: (= |v_#race~c~0_15| 0) InVars {} OutVars{#race~c~0=|v_#race~c~0_15|} AuxVars[] AssignedVars[#race~c~0][281], [Black: 350#true, 352#(= |#race~now_serving~0| 0), 56#L734-2true, 344#true, 348#true, 217#L713true, 346#true, 106#L726-7true, 357#(= |#race~c~0| 0), 340#true, 264#L704-1true, 342#true, 178#L728-6true]) [2024-11-16 23:13:12,985 INFO L294 olderBase$Statistics]: this new event has 115 ancestors and is cut-off event [2024-11-16 23:13:12,985 INFO L297 olderBase$Statistics]: existing Event has 115 ancestors and is cut-off event [2024-11-16 23:13:12,985 INFO L297 olderBase$Statistics]: existing Event has 115 ancestors and is cut-off event [2024-11-16 23:13:12,985 INFO L297 olderBase$Statistics]: existing Event has 115 ancestors and is cut-off event [2024-11-16 23:13:13,077 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([1217] L725-->L726-7: Formula: (= |v_#race~c~0_15| 0) InVars {} OutVars{#race~c~0=|v_#race~c~0_15|} AuxVars[] AssignedVars[#race~c~0][281], [Black: 350#true, 352#(= |#race~now_serving~0| 0), 56#L734-2true, 344#true, 348#true, 217#L713true, 295#L704-1true, 346#true, 106#L726-7true, 12#L728-6true, 357#(= |#race~c~0| 0), 340#true, 342#true]) [2024-11-16 23:13:13,077 INFO L294 olderBase$Statistics]: this new event has 115 ancestors and is cut-off event [2024-11-16 23:13:13,077 INFO L297 olderBase$Statistics]: existing Event has 115 ancestors and is cut-off event [2024-11-16 23:13:13,077 INFO L297 olderBase$Statistics]: existing Event has 115 ancestors and is cut-off event [2024-11-16 23:13:13,077 INFO L297 olderBase$Statistics]: existing Event has 116 ancestors and is cut-off event [2024-11-16 23:13:20,867 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([1133] L725-->L726-7: Formula: (= |v_#race~c~0_15| 0) InVars {} OutVars{#race~c~0=|v_#race~c~0_15|} AuxVars[] AssignedVars[#race~c~0][242], [Black: 350#true, 9#L728-7true, 251#L726-7true, 352#(= |#race~now_serving~0| 0), 56#L734-2true, 84#L726-7true, 344#true, 348#true, 346#true, 46#L713-1true, 357#(= |#race~c~0| 0), 340#true, 342#true]) [2024-11-16 23:13:20,868 INFO L294 olderBase$Statistics]: this new event has 126 ancestors and is cut-off event [2024-11-16 23:13:20,868 INFO L297 olderBase$Statistics]: existing Event has 126 ancestors and is cut-off event [2024-11-16 23:13:20,868 INFO L297 olderBase$Statistics]: existing Event has 126 ancestors and is cut-off event [2024-11-16 23:13:20,868 INFO L297 olderBase$Statistics]: existing Event has 127 ancestors and is cut-off event [2024-11-16 23:13:21,872 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([1133] L725-->L726-7: Formula: (= |v_#race~c~0_15| 0) InVars {} OutVars{#race~c~0=|v_#race~c~0_15|} AuxVars[] AssignedVars[#race~c~0][242], [Black: 350#true, 9#L728-7true, 107#L726-6true, 352#(= |#race~now_serving~0| 0), 56#L734-2true, 84#L726-7true, 344#true, 348#true, 346#true, 46#L713-1true, 357#(= |#race~c~0| 0), 340#true, 342#true]) [2024-11-16 23:13:21,872 INFO L294 olderBase$Statistics]: this new event has 127 ancestors and is cut-off event [2024-11-16 23:13:21,872 INFO L297 olderBase$Statistics]: existing Event has 128 ancestors and is cut-off event [2024-11-16 23:13:21,872 INFO L297 olderBase$Statistics]: existing Event has 127 ancestors and is cut-off event [2024-11-16 23:13:21,873 INFO L297 olderBase$Statistics]: existing Event has 127 ancestors and is cut-off event [2024-11-16 23:13:21,878 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([1133] L725-->L726-7: Formula: (= |v_#race~c~0_15| 0) InVars {} OutVars{#race~c~0=|v_#race~c~0_15|} AuxVars[] AssignedVars[#race~c~0][242], [Black: 350#true, 251#L726-7true, 352#(= |#race~now_serving~0| 0), 56#L734-2true, 84#L726-7true, 344#true, 348#true, 346#true, 46#L713-1true, 357#(= |#race~c~0| 0), 340#true, 178#L728-6true, 342#true]) [2024-11-16 23:13:21,879 INFO L294 olderBase$Statistics]: this new event has 127 ancestors and is cut-off event [2024-11-16 23:13:21,879 INFO L297 olderBase$Statistics]: existing Event has 127 ancestors and is cut-off event [2024-11-16 23:13:21,879 INFO L297 olderBase$Statistics]: existing Event has 127 ancestors and is cut-off event [2024-11-16 23:13:21,879 INFO L297 olderBase$Statistics]: existing Event has 128 ancestors and is cut-off event [2024-11-16 23:13:22,898 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([1133] L725-->L726-7: Formula: (= |v_#race~c~0_15| 0) InVars {} OutVars{#race~c~0=|v_#race~c~0_15|} AuxVars[] AssignedVars[#race~c~0][242], [Black: 350#true, 107#L726-6true, 352#(= |#race~now_serving~0| 0), 56#L734-2true, 84#L726-7true, 344#true, 348#true, 346#true, 46#L713-1true, 357#(= |#race~c~0| 0), 340#true, 342#true, 178#L728-6true]) [2024-11-16 23:13:22,899 INFO L294 olderBase$Statistics]: this new event has 128 ancestors and is cut-off event [2024-11-16 23:13:22,899 INFO L297 olderBase$Statistics]: existing Event has 128 ancestors and is cut-off event [2024-11-16 23:13:22,899 INFO L297 olderBase$Statistics]: existing Event has 129 ancestors and is cut-off event [2024-11-16 23:13:22,899 INFO L297 olderBase$Statistics]: existing Event has 128 ancestors and is cut-off event