./Ultimate.py --spec ../sv-benchmarks/c/properties/no-data-race.prp --file ../sv-benchmarks/c/pthread-ext/25_stack_longest-2-race.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/25_stack_longest-2-race.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 93834d0ed7ae29f55a5cf3676a6d16497c83e10891cd8a2ab18e9898a90eaebc --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-3289d67-m [2024-11-16 23:14:26,037 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-16 23:14:26,088 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-16 23:14:26,091 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-16 23:14:26,094 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-16 23:14:26,117 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-16 23:14:26,118 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-16 23:14:26,118 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-16 23:14:26,119 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-16 23:14:26,122 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-16 23:14:26,122 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-16 23:14:26,122 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-16 23:14:26,122 INFO L153 SettingsManager]: * Use SBE=true [2024-11-16 23:14:26,123 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-16 23:14:26,123 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-16 23:14:26,123 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-16 23:14:26,123 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-16 23:14:26,123 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-16 23:14:26,124 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-16 23:14:26,124 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-16 23:14:26,124 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-16 23:14:26,125 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-16 23:14:26,125 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-16 23:14:26,126 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-16 23:14:26,126 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-16 23:14:26,126 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-16 23:14:26,127 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-16 23:14:26,127 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-16 23:14:26,127 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-16 23:14:26,127 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-16 23:14:26,127 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-16 23:14:26,127 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 23:14:26,128 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-16 23:14:26,128 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-16 23:14:26,128 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-16 23:14:26,128 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-16 23:14:26,128 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-16 23:14:26,128 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-16 23:14:26,129 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-16 23:14:26,129 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-16 23:14:26,129 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-16 23:14:26,130 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 93834d0ed7ae29f55a5cf3676a6d16497c83e10891cd8a2ab18e9898a90eaebc [2024-11-16 23:14:26,342 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-16 23:14:26,360 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-16 23:14:26,362 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-16 23:14:26,368 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-16 23:14:26,369 INFO L274 PluginConnector]: CDTParser initialized [2024-11-16 23:14:26,370 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-ext/25_stack_longest-2-race.i [2024-11-16 23:14:27,819 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-16 23:14:28,042 INFO L384 CDTParser]: Found 1 translation units. [2024-11-16 23:14:28,043 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-ext/25_stack_longest-2-race.i [2024-11-16 23:14:28,056 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/20d99913a/33fe58f5f64240d0b5136fac92ea811f/FLAG6ffbdb2a1 [2024-11-16 23:14:28,075 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/20d99913a/33fe58f5f64240d0b5136fac92ea811f [2024-11-16 23:14:28,077 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-16 23:14:28,079 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-16 23:14:28,081 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-16 23:14:28,082 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-16 23:14:28,086 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-16 23:14:28,088 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 11:14:28" (1/1) ... [2024-11-16 23:14:28,088 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@470795a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:14:28, skipping insertion in model container [2024-11-16 23:14:28,089 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 11:14:28" (1/1) ... [2024-11-16 23:14:28,128 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-16 23:14:28,578 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 23:14:28,645 INFO L200 MainTranslator]: Completed pre-run [2024-11-16 23:14:28,679 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 23:14:28,726 INFO L204 MainTranslator]: Completed translation [2024-11-16 23:14:28,727 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:14:28 WrapperNode [2024-11-16 23:14:28,727 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-16 23:14:28,728 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-16 23:14:28,729 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-16 23:14:28,729 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-16 23:14:28,735 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:14:28" (1/1) ... [2024-11-16 23:14:28,771 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:14:28" (1/1) ... [2024-11-16 23:14:28,836 INFO L138 Inliner]: procedures = 176, calls = 32, calls flagged for inlining = 19, calls inlined = 23, statements flattened = 2212 [2024-11-16 23:14:28,837 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-16 23:14:28,837 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-16 23:14:28,838 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-16 23:14:28,838 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-16 23:14:28,845 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:14:28" (1/1) ... [2024-11-16 23:14:28,846 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:14:28" (1/1) ... [2024-11-16 23:14:28,852 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:14:28" (1/1) ... [2024-11-16 23:14:28,855 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:14:28" (1/1) ... [2024-11-16 23:14:28,898 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:14:28" (1/1) ... [2024-11-16 23:14:28,909 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:14:28" (1/1) ... [2024-11-16 23:14:28,917 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:14:28" (1/1) ... [2024-11-16 23:14:28,924 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:14:28" (1/1) ... [2024-11-16 23:14:28,941 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-16 23:14:28,942 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-16 23:14:28,942 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-16 23:14:28,942 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-16 23:14:28,942 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:14:28" (1/1) ... [2024-11-16 23:14:28,947 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 23:14:28,956 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 23:14:28,970 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 23:14:28,973 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 23:14:29,013 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-16 23:14:29,013 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2024-11-16 23:14:29,014 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2024-11-16 23:14:29,014 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-16 23:14:29,014 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-16 23:14:29,014 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-16 23:14:29,014 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-16 23:14:29,014 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-16 23:14:29,016 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 23:14:29,120 INFO L256 CfgBuilder]: Building ICFG [2024-11-16 23:14:29,122 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-16 23:14:30,664 INFO L303 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-16 23:14:30,665 INFO L307 CfgBuilder]: Performing block encoding [2024-11-16 23:14:30,995 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-16 23:14:30,996 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-16 23:14:30,997 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 11:14:30 BoogieIcfgContainer [2024-11-16 23:14:30,997 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-16 23:14:30,999 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-16 23:14:30,999 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-16 23:14:31,002 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-16 23:14:31,003 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 11:14:28" (1/3) ... [2024-11-16 23:14:31,004 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7dd6093e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 11:14:31, skipping insertion in model container [2024-11-16 23:14:31,004 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:14:28" (2/3) ... [2024-11-16 23:14:31,004 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7dd6093e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 11:14:31, skipping insertion in model container [2024-11-16 23:14:31,005 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 11:14:30" (3/3) ... [2024-11-16 23:14:31,006 INFO L112 eAbstractionObserver]: Analyzing ICFG 25_stack_longest-2-race.i [2024-11-16 23:14:31,021 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-16 23:14:31,021 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 26 error locations. [2024-11-16 23:14:31,021 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-16 23:14:31,152 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-11-16 23:14:31,212 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 2078 places, 2082 transitions, 4168 flow [2024-11-16 23:14:31,908 INFO L124 PetriNetUnfolderBase]: 8/2092 cut-off events. [2024-11-16 23:14:31,908 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-16 23:14:31,916 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2096 conditions, 2092 events. 8/2092 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 253 event pairs, 0 based on Foata normal form. 0/2056 useless extension candidates. Maximal degree in co-relation 1949. Up to 4 conditions per place. [2024-11-16 23:14:31,917 INFO L82 GeneralOperation]: Start removeDead. Operand has 2078 places, 2082 transitions, 4168 flow [2024-11-16 23:14:31,931 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 2078 places, 2082 transitions, 4168 flow [2024-11-16 23:14:31,939 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-16 23:14:31,952 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;@15bf8c31, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-16 23:14:31,953 INFO L334 AbstractCegarLoop]: Starting to check reachability of 53 error locations. [2024-11-16 23:14:32,270 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-16 23:14:32,270 INFO L124 PetriNetUnfolderBase]: 1/1953 cut-off events. [2024-11-16 23:14:32,270 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-16 23:14:32,271 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:14:32,273 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:14:32,273 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting thr1Err25ASSERT_VIOLATIONDATA_RACE === [thr1Err25ASSERT_VIOLATIONDATA_RACE, thr1Err24ASSERT_VIOLATIONDATA_RACE, thr1Err23ASSERT_VIOLATIONDATA_RACE, thr1Err20ASSERT_VIOLATIONDATA_RACE (and 49 more)] === [2024-11-16 23:14:32,277 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:14:32,277 INFO L85 PathProgramCache]: Analyzing trace with hash -257199162, now seen corresponding path program 1 times [2024-11-16 23:14:32,285 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:14:32,285 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [177440826] [2024-11-16 23:14:32,285 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:14:32,286 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:14:33,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:14:38,554 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 23:14:38,555 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:14:38,555 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [177440826] [2024-11-16 23:14:38,555 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [177440826] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:14:38,556 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:14:38,556 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-16 23:14:38,557 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [67583185] [2024-11-16 23:14:38,558 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:14:38,569 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-16 23:14:38,579 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:14:38,610 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-16 23:14:38,611 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-16 23:14:38,622 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 2054 out of 2082 [2024-11-16 23:14:38,632 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 2078 places, 2082 transitions, 4168 flow. Second operand has 2 states, 2 states have (on average 2055.0) internal successors, (4110), 2 states have internal predecessors, (4110), 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 23:14:38,632 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:14:38,632 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 2054 of 2082 [2024-11-16 23:14:38,633 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:14:39,141 INFO L124 PetriNetUnfolderBase]: 4/2064 cut-off events. [2024-11-16 23:14:39,141 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-16 23:14:39,142 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2078 conditions, 2064 events. 4/2064 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 155 event pairs, 0 based on Foata normal form. 17/2066 useless extension candidates. Maximal degree in co-relation 126. Up to 10 conditions per place. [2024-11-16 23:14:39,145 INFO L140 encePairwiseOnDemand]: 2063/2082 looper letters, 9 selfloop transitions, 0 changer transitions 0/2059 dead transitions. [2024-11-16 23:14:39,146 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 2059 places, 2059 transitions, 4140 flow [2024-11-16 23:14:39,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-16 23:14:39,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2024-11-16 23:14:39,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 4136 transitions. [2024-11-16 23:14:39,163 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9932756964457252 [2024-11-16 23:14:39,165 INFO L175 Difference]: Start difference. First operand has 2078 places, 2082 transitions, 4168 flow. Second operand 2 states and 4136 transitions. [2024-11-16 23:14:39,166 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 2059 places, 2059 transitions, 4140 flow [2024-11-16 23:14:39,178 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 2059 places, 2059 transitions, 4140 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-16 23:14:39,200 INFO L231 Difference]: Finished difference. Result has 2059 places, 2059 transitions, 4122 flow [2024-11-16 23:14:39,204 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=2082, PETRI_DIFFERENCE_MINUEND_FLOW=4122, PETRI_DIFFERENCE_MINUEND_PLACES=2058, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=2059, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=2059, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=4122, PETRI_PLACES=2059, PETRI_TRANSITIONS=2059} [2024-11-16 23:14:39,207 INFO L277 CegarLoopForPetriNet]: 2078 programPoint places, -19 predicate places. [2024-11-16 23:14:39,207 INFO L471 AbstractCegarLoop]: Abstraction has has 2059 places, 2059 transitions, 4122 flow [2024-11-16 23:14:39,209 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 2055.0) internal successors, (4110), 2 states have internal predecessors, (4110), 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 23:14:39,209 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:14:39,210 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 23:14:39,210 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-16 23:14:39,211 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting thr1Err23ASSERT_VIOLATIONDATA_RACE === [thr1Err25ASSERT_VIOLATIONDATA_RACE, thr1Err24ASSERT_VIOLATIONDATA_RACE, thr1Err23ASSERT_VIOLATIONDATA_RACE, thr1Err20ASSERT_VIOLATIONDATA_RACE (and 49 more)] === [2024-11-16 23:14:39,211 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:14:39,211 INFO L85 PathProgramCache]: Analyzing trace with hash 1939859114, now seen corresponding path program 1 times [2024-11-16 23:14:39,211 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:14:39,212 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2052826244] [2024-11-16 23:14:39,212 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:14:39,212 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:14:39,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:14:41,434 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 23:14:41,435 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:14:41,435 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2052826244] [2024-11-16 23:14:41,436 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2052826244] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:14:41,436 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:14:41,436 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 23:14:41,437 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [292990880] [2024-11-16 23:14:41,437 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:14:41,439 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:14:41,442 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:14:41,443 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:14:41,443 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:14:41,454 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 2050 out of 2082 [2024-11-16 23:14:41,460 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 2059 places, 2059 transitions, 4122 flow. Second operand has 3 states, 3 states have (on average 2051.3333333333335) internal successors, (6154), 3 states have internal predecessors, (6154), 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 23:14:41,461 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:14:41,461 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 2050 of 2082 [2024-11-16 23:14:41,462 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:14:41,951 INFO L124 PetriNetUnfolderBase]: 6/2153 cut-off events. [2024-11-16 23:14:41,951 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-16 23:14:41,952 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2178 conditions, 2153 events. 6/2153 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 461 event pairs, 0 based on Foata normal form. 0/2128 useless extension candidates. Maximal degree in co-relation 2174. Up to 11 conditions per place. [2024-11-16 23:14:41,955 INFO L140 encePairwiseOnDemand]: 2079/2082 looper letters, 17 selfloop transitions, 2 changer transitions 0/2065 dead transitions. [2024-11-16 23:14:41,955 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 2060 places, 2065 transitions, 4172 flow [2024-11-16 23:14:41,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:14:41,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:14:41,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 6170 transitions. [2024-11-16 23:14:41,965 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9878322126160742 [2024-11-16 23:14:41,965 INFO L175 Difference]: Start difference. First operand has 2059 places, 2059 transitions, 4122 flow. Second operand 3 states and 6170 transitions. [2024-11-16 23:14:41,965 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 2060 places, 2065 transitions, 4172 flow [2024-11-16 23:14:41,974 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 2060 places, 2065 transitions, 4172 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-16 23:14:41,992 INFO L231 Difference]: Finished difference. Result has 2060 places, 2058 transitions, 4124 flow [2024-11-16 23:14:41,995 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=2082, PETRI_DIFFERENCE_MINUEND_FLOW=4120, PETRI_DIFFERENCE_MINUEND_PLACES=2058, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=2058, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=2056, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=4124, PETRI_PLACES=2060, PETRI_TRANSITIONS=2058} [2024-11-16 23:14:41,996 INFO L277 CegarLoopForPetriNet]: 2078 programPoint places, -18 predicate places. [2024-11-16 23:14:41,996 INFO L471 AbstractCegarLoop]: Abstraction has has 2060 places, 2058 transitions, 4124 flow [2024-11-16 23:14:41,999 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2051.3333333333335) internal successors, (6154), 3 states have internal predecessors, (6154), 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 23:14:41,999 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:14:42,000 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:14:42,000 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-16 23:14:42,000 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [thr1Err25ASSERT_VIOLATIONDATA_RACE, thr1Err24ASSERT_VIOLATIONDATA_RACE, thr1Err23ASSERT_VIOLATIONDATA_RACE, thr1Err20ASSERT_VIOLATIONDATA_RACE (and 49 more)] === [2024-11-16 23:14:42,001 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:14:42,001 INFO L85 PathProgramCache]: Analyzing trace with hash 407154250, now seen corresponding path program 1 times [2024-11-16 23:14:42,001 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:14:42,002 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1784393282] [2024-11-16 23:14:42,002 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:14:42,002 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:14:43,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-16 23:14:43,071 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-16 23:14:43,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-16 23:14:44,739 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-16 23:14:44,740 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-16 23:14:44,741 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (52 of 53 remaining) [2024-11-16 23:14:44,742 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err25ASSERT_VIOLATIONDATA_RACE (51 of 53 remaining) [2024-11-16 23:14:44,743 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err24ASSERT_VIOLATIONDATA_RACE (50 of 53 remaining) [2024-11-16 23:14:44,743 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err23ASSERT_VIOLATIONDATA_RACE (49 of 53 remaining) [2024-11-16 23:14:44,743 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err20ASSERT_VIOLATIONDATA_RACE (48 of 53 remaining) [2024-11-16 23:14:44,743 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err19ASSERT_VIOLATIONDATA_RACE (47 of 53 remaining) [2024-11-16 23:14:44,743 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err22ASSERT_VIOLATIONDATA_RACE (46 of 53 remaining) [2024-11-16 23:14:44,743 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err21ASSERT_VIOLATIONDATA_RACE (45 of 53 remaining) [2024-11-16 23:14:44,744 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err18ASSERT_VIOLATIONDATA_RACE (44 of 53 remaining) [2024-11-16 23:14:44,744 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err17ASSERT_VIOLATIONDATA_RACE (43 of 53 remaining) [2024-11-16 23:14:44,744 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err16ASSERT_VIOLATIONDATA_RACE (42 of 53 remaining) [2024-11-16 23:14:44,745 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONDATA_RACE (41 of 53 remaining) [2024-11-16 23:14:44,746 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONDATA_RACE (40 of 53 remaining) [2024-11-16 23:14:44,746 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err15ASSERT_VIOLATIONDATA_RACE (39 of 53 remaining) [2024-11-16 23:14:44,746 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err14ASSERT_VIOLATIONDATA_RACE (38 of 53 remaining) [2024-11-16 23:14:44,746 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err13ASSERT_VIOLATIONDATA_RACE (37 of 53 remaining) [2024-11-16 23:14:44,746 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err12ASSERT_VIOLATIONDATA_RACE (36 of 53 remaining) [2024-11-16 23:14:44,747 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err11ASSERT_VIOLATIONDATA_RACE (35 of 53 remaining) [2024-11-16 23:14:44,747 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONDATA_RACE (34 of 53 remaining) [2024-11-16 23:14:44,747 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONDATA_RACE (33 of 53 remaining) [2024-11-16 23:14:44,747 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (32 of 53 remaining) [2024-11-16 23:14:44,747 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (31 of 53 remaining) [2024-11-16 23:14:44,747 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (30 of 53 remaining) [2024-11-16 23:14:44,747 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (29 of 53 remaining) [2024-11-16 23:14:44,748 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (28 of 53 remaining) [2024-11-16 23:14:44,748 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (27 of 53 remaining) [2024-11-16 23:14:44,748 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (26 of 53 remaining) [2024-11-16 23:14:44,748 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err25ASSERT_VIOLATIONDATA_RACE (25 of 53 remaining) [2024-11-16 23:14:44,748 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err24ASSERT_VIOLATIONDATA_RACE (24 of 53 remaining) [2024-11-16 23:14:44,748 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err23ASSERT_VIOLATIONDATA_RACE (23 of 53 remaining) [2024-11-16 23:14:44,749 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err20ASSERT_VIOLATIONDATA_RACE (22 of 53 remaining) [2024-11-16 23:14:44,749 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err19ASSERT_VIOLATIONDATA_RACE (21 of 53 remaining) [2024-11-16 23:14:44,749 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err22ASSERT_VIOLATIONDATA_RACE (20 of 53 remaining) [2024-11-16 23:14:44,750 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err21ASSERT_VIOLATIONDATA_RACE (19 of 53 remaining) [2024-11-16 23:14:44,750 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err18ASSERT_VIOLATIONDATA_RACE (18 of 53 remaining) [2024-11-16 23:14:44,750 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err17ASSERT_VIOLATIONDATA_RACE (17 of 53 remaining) [2024-11-16 23:14:44,750 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err16ASSERT_VIOLATIONDATA_RACE (16 of 53 remaining) [2024-11-16 23:14:44,751 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONDATA_RACE (15 of 53 remaining) [2024-11-16 23:14:44,751 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONDATA_RACE (14 of 53 remaining) [2024-11-16 23:14:44,751 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err15ASSERT_VIOLATIONDATA_RACE (13 of 53 remaining) [2024-11-16 23:14:44,752 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err14ASSERT_VIOLATIONDATA_RACE (12 of 53 remaining) [2024-11-16 23:14:44,752 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err13ASSERT_VIOLATIONDATA_RACE (11 of 53 remaining) [2024-11-16 23:14:44,752 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err12ASSERT_VIOLATIONDATA_RACE (10 of 53 remaining) [2024-11-16 23:14:44,752 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err11ASSERT_VIOLATIONDATA_RACE (9 of 53 remaining) [2024-11-16 23:14:44,752 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONDATA_RACE (8 of 53 remaining) [2024-11-16 23:14:44,752 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONDATA_RACE (7 of 53 remaining) [2024-11-16 23:14:44,752 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (6 of 53 remaining) [2024-11-16 23:14:44,753 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (5 of 53 remaining) [2024-11-16 23:14:44,753 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (4 of 53 remaining) [2024-11-16 23:14:44,753 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (3 of 53 remaining) [2024-11-16 23:14:44,753 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (2 of 53 remaining) [2024-11-16 23:14:44,753 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (1 of 53 remaining) [2024-11-16 23:14:44,753 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (0 of 53 remaining) [2024-11-16 23:14:44,753 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-16 23:14:44,754 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2024-11-16 23:14:44,757 WARN L244 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2024-11-16 23:14:44,758 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2024-11-16 23:14:44,870 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-11-16 23:14:44,887 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 2204 places, 2212 transitions, 4434 flow [2024-11-16 23:14:45,463 INFO L124 PetriNetUnfolderBase]: 15/2234 cut-off events. [2024-11-16 23:14:45,464 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-11-16 23:14:45,471 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2242 conditions, 2234 events. 15/2234 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 901 event pairs, 0 based on Foata normal form. 0/2164 useless extension candidates. Maximal degree in co-relation 2093. Up to 6 conditions per place. [2024-11-16 23:14:45,472 INFO L82 GeneralOperation]: Start removeDead. Operand has 2204 places, 2212 transitions, 4434 flow [2024-11-16 23:14:45,481 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 2204 places, 2212 transitions, 4434 flow [2024-11-16 23:14:45,486 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-16 23:14:45,486 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;@15bf8c31, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-16 23:14:45,486 INFO L334 AbstractCegarLoop]: Starting to check reachability of 79 error locations. [2024-11-16 23:14:45,774 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-16 23:14:45,774 INFO L124 PetriNetUnfolderBase]: 1/1952 cut-off events. [2024-11-16 23:14:45,774 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-16 23:14:45,774 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:14:45,775 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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, 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[2024-11-16 23:14:45,775 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting thr1Err25ASSERT_VIOLATIONDATA_RACE === [thr1Err25ASSERT_VIOLATIONDATA_RACE, thr1Err24ASSERT_VIOLATIONDATA_RACE, thr1Err23ASSERT_VIOLATIONDATA_RACE, thr1Err20ASSERT_VIOLATIONDATA_RACE (and 75 more)] === [2024-11-16 23:14:45,776 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:14:45,776 INFO L85 PathProgramCache]: Analyzing trace with hash 538416715, now seen corresponding path program 1 times [2024-11-16 23:14:45,776 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:14:45,776 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1225601371] [2024-11-16 23:14:45,777 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:14:45,777 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:14:46,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:14:49,759 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 23:14:49,761 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:14:49,761 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1225601371] [2024-11-16 23:14:49,761 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1225601371] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:14:49,761 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:14:49,761 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-16 23:14:49,762 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [869933529] [2024-11-16 23:14:49,762 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:14:49,765 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-16 23:14:49,769 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:14:49,770 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-16 23:14:49,771 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-16 23:14:49,781 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 2158 out of 2212 [2024-11-16 23:14:49,786 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 2204 places, 2212 transitions, 4434 flow. Second operand has 2 states, 2 states have (on average 2159.0) internal successors, (4318), 2 states have internal predecessors, (4318), 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 23:14:49,786 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:14:49,786 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 2158 of 2212 [2024-11-16 23:14:49,786 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:14:50,884 INFO L124 PetriNetUnfolderBase]: 112/3219 cut-off events. [2024-11-16 23:14:50,885 INFO L125 PetriNetUnfolderBase]: For 23/23 co-relation queries the response was YES. [2024-11-16 23:14:50,891 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3406 conditions, 3219 events. 112/3219 cut-off events. For 23/23 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 8245 event pairs, 52 based on Foata normal form. 177/3223 useless extension candidates. Maximal degree in co-relation 2074. Up to 161 conditions per place. [2024-11-16 23:14:50,898 INFO L140 encePairwiseOnDemand]: 2176/2212 looper letters, 18 selfloop transitions, 0 changer transitions 0/2171 dead transitions. [2024-11-16 23:14:50,898 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 2169 places, 2171 transitions, 4388 flow [2024-11-16 23:14:50,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-16 23:14:50,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2024-11-16 23:14:50,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 4370 transitions. [2024-11-16 23:14:50,904 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9877938517179023 [2024-11-16 23:14:50,904 INFO L175 Difference]: Start difference. First operand has 2204 places, 2212 transitions, 4434 flow. Second operand 2 states and 4370 transitions. [2024-11-16 23:14:50,904 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 2169 places, 2171 transitions, 4388 flow [2024-11-16 23:14:50,911 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 2169 places, 2171 transitions, 4388 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-16 23:14:50,926 INFO L231 Difference]: Finished difference. Result has 2169 places, 2171 transitions, 4352 flow [2024-11-16 23:14:50,929 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=2212, PETRI_DIFFERENCE_MINUEND_FLOW=4352, PETRI_DIFFERENCE_MINUEND_PLACES=2168, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=2171, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=2171, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=4352, PETRI_PLACES=2169, PETRI_TRANSITIONS=2171} [2024-11-16 23:14:50,930 INFO L277 CegarLoopForPetriNet]: 2204 programPoint places, -35 predicate places. [2024-11-16 23:14:50,930 INFO L471 AbstractCegarLoop]: Abstraction has has 2169 places, 2171 transitions, 4352 flow [2024-11-16 23:14:50,932 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 2159.0) internal successors, (4318), 2 states have internal predecessors, (4318), 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 23:14:50,932 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:14:50,933 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 23:14:50,933 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-16 23:14:50,933 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting thr1Err23ASSERT_VIOLATIONDATA_RACE === [thr1Err25ASSERT_VIOLATIONDATA_RACE, thr1Err24ASSERT_VIOLATIONDATA_RACE, thr1Err23ASSERT_VIOLATIONDATA_RACE, thr1Err20ASSERT_VIOLATIONDATA_RACE (and 75 more)] === [2024-11-16 23:14:50,934 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:14:50,934 INFO L85 PathProgramCache]: Analyzing trace with hash 2022613135, now seen corresponding path program 1 times [2024-11-16 23:14:50,934 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:14:50,934 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1685101445] [2024-11-16 23:14:50,935 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:14:50,935 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:14:51,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:14:51,892 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 23:14:51,893 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:14:51,893 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1685101445] [2024-11-16 23:14:51,893 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1685101445] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:14:51,893 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:14:51,893 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 23:14:51,894 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [339922966] [2024-11-16 23:14:51,894 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:14:51,895 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:14:51,897 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:14:51,897 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:14:51,897 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:14:51,911 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 2150 out of 2212 [2024-11-16 23:14:51,917 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 2169 places, 2171 transitions, 4352 flow. Second operand has 3 states, 3 states have (on average 2151.3333333333335) internal successors, (6454), 3 states have internal predecessors, (6454), 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 23:14:51,918 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:14:51,918 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 2150 of 2212 [2024-11-16 23:14:51,918 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:14:53,680 INFO L124 PetriNetUnfolderBase]: 368/5584 cut-off events. [2024-11-16 23:14:53,680 INFO L125 PetriNetUnfolderBase]: For 48/48 co-relation queries the response was YES. [2024-11-16 23:14:53,695 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6213 conditions, 5584 events. 368/5584 cut-off events. For 48/48 co-relation queries the response was YES. Maximal size of possible extension queue 79. Compared 32870 event pairs, 99 based on Foata normal form. 0/5105 useless extension candidates. Maximal degree in co-relation 6208. Up to 293 conditions per place. [2024-11-16 23:14:53,711 INFO L140 encePairwiseOnDemand]: 2204/2212 looper letters, 43 selfloop transitions, 6 changer transitions 0/2194 dead transitions. [2024-11-16 23:14:53,712 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 2171 places, 2194 transitions, 4501 flow [2024-11-16 23:14:53,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:14:53,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:14:53,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 6501 transitions. [2024-11-16 23:14:53,719 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9796564195298373 [2024-11-16 23:14:53,719 INFO L175 Difference]: Start difference. First operand has 2169 places, 2171 transitions, 4352 flow. Second operand 3 states and 6501 transitions. [2024-11-16 23:14:53,719 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 2171 places, 2194 transitions, 4501 flow [2024-11-16 23:14:53,727 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 2171 places, 2194 transitions, 4501 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-16 23:14:53,743 INFO L231 Difference]: Finished difference. Result has 2173 places, 2177 transitions, 4404 flow [2024-11-16 23:14:53,746 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=2212, PETRI_DIFFERENCE_MINUEND_FLOW=4352, PETRI_DIFFERENCE_MINUEND_PLACES=2169, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=2171, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=2165, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=4404, PETRI_PLACES=2173, PETRI_TRANSITIONS=2177} [2024-11-16 23:14:53,747 INFO L277 CegarLoopForPetriNet]: 2204 programPoint places, -31 predicate places. [2024-11-16 23:14:53,747 INFO L471 AbstractCegarLoop]: Abstraction has has 2173 places, 2177 transitions, 4404 flow [2024-11-16 23:14:53,751 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2151.3333333333335) internal successors, (6454), 3 states have internal predecessors, (6454), 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 23:14:53,751 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:14:53,751 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 23:14:53,752 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-16 23:14:53,752 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting thr1Err22ASSERT_VIOLATIONDATA_RACE === [thr1Err25ASSERT_VIOLATIONDATA_RACE, thr1Err24ASSERT_VIOLATIONDATA_RACE, thr1Err23ASSERT_VIOLATIONDATA_RACE, thr1Err20ASSERT_VIOLATIONDATA_RACE (and 75 more)] === [2024-11-16 23:14:53,752 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:14:53,753 INFO L85 PathProgramCache]: Analyzing trace with hash -1960754678, now seen corresponding path program 1 times [2024-11-16 23:14:53,753 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:14:53,753 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2092357151] [2024-11-16 23:14:53,753 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:14:53,753 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:14:54,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:14:54,997 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 23:14:54,998 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:14:54,998 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2092357151] [2024-11-16 23:14:54,998 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2092357151] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:14:54,998 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:14:54,998 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 23:14:54,999 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [674432658] [2024-11-16 23:14:54,999 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:14:55,001 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:14:55,002 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:14:55,003 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:14:55,003 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:14:55,036 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 2146 out of 2212 [2024-11-16 23:14:55,042 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 2173 places, 2177 transitions, 4404 flow. Second operand has 3 states, 3 states have (on average 2148.0) internal successors, (6444), 3 states have internal predecessors, (6444), 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 23:14:55,042 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:14:55,043 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 2146 of 2212 [2024-11-16 23:14:55,043 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:14:57,963 INFO L124 PetriNetUnfolderBase]: 674/6803 cut-off events. [2024-11-16 23:14:57,964 INFO L125 PetriNetUnfolderBase]: For 95/95 co-relation queries the response was YES. [2024-11-16 23:14:57,992 INFO L83 FinitePrefix]: Finished finitePrefix Result has 8059 conditions, 6803 events. 674/6803 cut-off events. For 95/95 co-relation queries the response was YES. Maximal size of possible extension queue 103. Compared 46128 event pairs, 283 based on Foata normal form. 0/6137 useless extension candidates. Maximal degree in co-relation 8052. Up to 992 conditions per place. [2024-11-16 23:14:58,020 INFO L140 encePairwiseOnDemand]: 2204/2212 looper letters, 37 selfloop transitions, 7 changer transitions 0/2191 dead transitions. [2024-11-16 23:14:58,021 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 2175 places, 2191 transitions, 4525 flow [2024-11-16 23:14:58,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:14:58,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:14:58,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 6483 transitions. [2024-11-16 23:14:58,030 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9769439421338155 [2024-11-16 23:14:58,030 INFO L175 Difference]: Start difference. First operand has 2173 places, 2177 transitions, 4404 flow. Second operand 3 states and 6483 transitions. [2024-11-16 23:14:58,030 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 2175 places, 2191 transitions, 4525 flow [2024-11-16 23:14:58,043 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 2173 places, 2191 transitions, 4513 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-16 23:14:58,064 INFO L231 Difference]: Finished difference. Result has 2175 places, 2183 transitions, 4446 flow [2024-11-16 23:14:58,066 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=2212, PETRI_DIFFERENCE_MINUEND_FLOW=4392, PETRI_DIFFERENCE_MINUEND_PLACES=2171, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=2177, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=2170, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=4446, PETRI_PLACES=2175, PETRI_TRANSITIONS=2183} [2024-11-16 23:14:58,067 INFO L277 CegarLoopForPetriNet]: 2204 programPoint places, -29 predicate places. [2024-11-16 23:14:58,067 INFO L471 AbstractCegarLoop]: Abstraction has has 2175 places, 2183 transitions, 4446 flow [2024-11-16 23:14:58,071 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2148.0) internal successors, (6444), 3 states have internal predecessors, (6444), 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 23:14:58,071 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:14:58,072 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:14:58,072 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-16 23:14:58,072 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [thr1Err25ASSERT_VIOLATIONDATA_RACE, thr1Err24ASSERT_VIOLATIONDATA_RACE, thr1Err23ASSERT_VIOLATIONDATA_RACE, thr1Err20ASSERT_VIOLATIONDATA_RACE (and 75 more)] === [2024-11-16 23:14:58,073 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:14:58,073 INFO L85 PathProgramCache]: Analyzing trace with hash -1249092072, now seen corresponding path program 1 times [2024-11-16 23:14:58,073 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:14:58,073 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1655344883] [2024-11-16 23:14:58,074 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:14:58,074 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:14:58,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-16 23:14:58,695 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-16 23:14:59,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-16 23:14:59,966 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-16 23:14:59,967 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-16 23:14:59,967 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (78 of 79 remaining) [2024-11-16 23:14:59,967 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err25ASSERT_VIOLATIONDATA_RACE (77 of 79 remaining) [2024-11-16 23:14:59,967 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err24ASSERT_VIOLATIONDATA_RACE (76 of 79 remaining) [2024-11-16 23:14:59,969 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err23ASSERT_VIOLATIONDATA_RACE (75 of 79 remaining) [2024-11-16 23:14:59,970 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err20ASSERT_VIOLATIONDATA_RACE (74 of 79 remaining) [2024-11-16 23:14:59,970 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err19ASSERT_VIOLATIONDATA_RACE (73 of 79 remaining) [2024-11-16 23:14:59,970 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err22ASSERT_VIOLATIONDATA_RACE (72 of 79 remaining) [2024-11-16 23:14:59,970 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err21ASSERT_VIOLATIONDATA_RACE (71 of 79 remaining) [2024-11-16 23:14:59,970 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err18ASSERT_VIOLATIONDATA_RACE (70 of 79 remaining) [2024-11-16 23:14:59,970 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err17ASSERT_VIOLATIONDATA_RACE (69 of 79 remaining) [2024-11-16 23:14:59,971 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err16ASSERT_VIOLATIONDATA_RACE (68 of 79 remaining) [2024-11-16 23:14:59,974 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONDATA_RACE (67 of 79 remaining) [2024-11-16 23:14:59,974 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONDATA_RACE (66 of 79 remaining) [2024-11-16 23:14:59,974 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err15ASSERT_VIOLATIONDATA_RACE (65 of 79 remaining) [2024-11-16 23:14:59,975 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err14ASSERT_VIOLATIONDATA_RACE (64 of 79 remaining) [2024-11-16 23:14:59,975 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err13ASSERT_VIOLATIONDATA_RACE (63 of 79 remaining) [2024-11-16 23:14:59,975 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err12ASSERT_VIOLATIONDATA_RACE (62 of 79 remaining) [2024-11-16 23:14:59,975 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err11ASSERT_VIOLATIONDATA_RACE (61 of 79 remaining) [2024-11-16 23:14:59,975 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONDATA_RACE (60 of 79 remaining) [2024-11-16 23:14:59,975 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONDATA_RACE (59 of 79 remaining) [2024-11-16 23:14:59,975 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (58 of 79 remaining) [2024-11-16 23:14:59,975 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (57 of 79 remaining) [2024-11-16 23:14:59,975 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (56 of 79 remaining) [2024-11-16 23:14:59,976 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (55 of 79 remaining) [2024-11-16 23:14:59,976 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (54 of 79 remaining) [2024-11-16 23:14:59,976 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (53 of 79 remaining) [2024-11-16 23:14:59,976 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (52 of 79 remaining) [2024-11-16 23:14:59,976 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err25ASSERT_VIOLATIONDATA_RACE (51 of 79 remaining) [2024-11-16 23:14:59,976 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err24ASSERT_VIOLATIONDATA_RACE (50 of 79 remaining) [2024-11-16 23:14:59,976 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err23ASSERT_VIOLATIONDATA_RACE (49 of 79 remaining) [2024-11-16 23:14:59,976 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err20ASSERT_VIOLATIONDATA_RACE (48 of 79 remaining) [2024-11-16 23:14:59,976 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err19ASSERT_VIOLATIONDATA_RACE (47 of 79 remaining) [2024-11-16 23:14:59,977 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err22ASSERT_VIOLATIONDATA_RACE (46 of 79 remaining) [2024-11-16 23:14:59,977 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err21ASSERT_VIOLATIONDATA_RACE (45 of 79 remaining) [2024-11-16 23:14:59,977 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err18ASSERT_VIOLATIONDATA_RACE (44 of 79 remaining) [2024-11-16 23:14:59,977 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err17ASSERT_VIOLATIONDATA_RACE (43 of 79 remaining) [2024-11-16 23:14:59,977 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err16ASSERT_VIOLATIONDATA_RACE (42 of 79 remaining) [2024-11-16 23:14:59,978 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONDATA_RACE (41 of 79 remaining) [2024-11-16 23:14:59,978 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONDATA_RACE (40 of 79 remaining) [2024-11-16 23:14:59,978 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err15ASSERT_VIOLATIONDATA_RACE (39 of 79 remaining) [2024-11-16 23:14:59,980 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err14ASSERT_VIOLATIONDATA_RACE (38 of 79 remaining) [2024-11-16 23:14:59,980 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err13ASSERT_VIOLATIONDATA_RACE (37 of 79 remaining) [2024-11-16 23:14:59,980 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err12ASSERT_VIOLATIONDATA_RACE (36 of 79 remaining) [2024-11-16 23:14:59,981 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err11ASSERT_VIOLATIONDATA_RACE (35 of 79 remaining) [2024-11-16 23:14:59,981 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONDATA_RACE (34 of 79 remaining) [2024-11-16 23:14:59,981 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONDATA_RACE (33 of 79 remaining) [2024-11-16 23:14:59,981 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (32 of 79 remaining) [2024-11-16 23:14:59,981 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (31 of 79 remaining) [2024-11-16 23:14:59,981 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (30 of 79 remaining) [2024-11-16 23:14:59,981 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (29 of 79 remaining) [2024-11-16 23:14:59,981 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (28 of 79 remaining) [2024-11-16 23:14:59,982 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (27 of 79 remaining) [2024-11-16 23:14:59,982 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (26 of 79 remaining) [2024-11-16 23:14:59,982 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err25ASSERT_VIOLATIONDATA_RACE (25 of 79 remaining) [2024-11-16 23:14:59,982 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err24ASSERT_VIOLATIONDATA_RACE (24 of 79 remaining) [2024-11-16 23:14:59,982 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err23ASSERT_VIOLATIONDATA_RACE (23 of 79 remaining) [2024-11-16 23:14:59,982 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err20ASSERT_VIOLATIONDATA_RACE (22 of 79 remaining) [2024-11-16 23:14:59,982 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err19ASSERT_VIOLATIONDATA_RACE (21 of 79 remaining) [2024-11-16 23:14:59,982 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err22ASSERT_VIOLATIONDATA_RACE (20 of 79 remaining) [2024-11-16 23:14:59,982 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err21ASSERT_VIOLATIONDATA_RACE (19 of 79 remaining) [2024-11-16 23:14:59,982 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err18ASSERT_VIOLATIONDATA_RACE (18 of 79 remaining) [2024-11-16 23:14:59,983 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err17ASSERT_VIOLATIONDATA_RACE (17 of 79 remaining) [2024-11-16 23:14:59,983 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err16ASSERT_VIOLATIONDATA_RACE (16 of 79 remaining) [2024-11-16 23:14:59,983 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONDATA_RACE (15 of 79 remaining) [2024-11-16 23:14:59,983 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONDATA_RACE (14 of 79 remaining) [2024-11-16 23:14:59,983 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err15ASSERT_VIOLATIONDATA_RACE (13 of 79 remaining) [2024-11-16 23:14:59,987 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err14ASSERT_VIOLATIONDATA_RACE (12 of 79 remaining) [2024-11-16 23:14:59,987 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err13ASSERT_VIOLATIONDATA_RACE (11 of 79 remaining) [2024-11-16 23:14:59,988 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err12ASSERT_VIOLATIONDATA_RACE (10 of 79 remaining) [2024-11-16 23:14:59,988 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err11ASSERT_VIOLATIONDATA_RACE (9 of 79 remaining) [2024-11-16 23:14:59,988 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONDATA_RACE (8 of 79 remaining) [2024-11-16 23:14:59,988 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONDATA_RACE (7 of 79 remaining) [2024-11-16 23:14:59,988 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (6 of 79 remaining) [2024-11-16 23:14:59,988 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (5 of 79 remaining) [2024-11-16 23:14:59,988 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (4 of 79 remaining) [2024-11-16 23:14:59,988 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (3 of 79 remaining) [2024-11-16 23:14:59,988 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (2 of 79 remaining) [2024-11-16 23:14:59,988 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (1 of 79 remaining) [2024-11-16 23:14:59,989 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (0 of 79 remaining) [2024-11-16 23:14:59,989 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-16 23:14:59,989 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2024-11-16 23:14:59,989 WARN L244 ceAbstractionStarter]: 2 thread instances were not sufficient, I will increase this number and restart the analysis [2024-11-16 23:14:59,990 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 3 thread instances. [2024-11-16 23:15:00,103 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-11-16 23:15:00,129 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 2330 places, 2342 transitions, 4702 flow [2024-11-16 23:15:00,979 INFO L124 PetriNetUnfolderBase]: 22/2376 cut-off events. [2024-11-16 23:15:00,979 INFO L125 PetriNetUnfolderBase]: For 7/7 co-relation queries the response was YES. [2024-11-16 23:15:00,989 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2389 conditions, 2376 events. 22/2376 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 1687 event pairs, 0 based on Foata normal form. 0/2272 useless extension candidates. Maximal degree in co-relation 2238. Up to 8 conditions per place. [2024-11-16 23:15:00,990 INFO L82 GeneralOperation]: Start removeDead. Operand has 2330 places, 2342 transitions, 4702 flow [2024-11-16 23:15:01,005 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 2330 places, 2342 transitions, 4702 flow [2024-11-16 23:15:01,007 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-16 23:15:01,007 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;@15bf8c31, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-16 23:15:01,007 INFO L334 AbstractCegarLoop]: Starting to check reachability of 105 error locations. [2024-11-16 23:15:01,540 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-16 23:15:01,541 INFO L124 PetriNetUnfolderBase]: 1/1953 cut-off events. [2024-11-16 23:15:01,541 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-16 23:15:01,541 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:15:01,542 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:15:01,542 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting thr1Err25ASSERT_VIOLATIONDATA_RACE === [thr1Err25ASSERT_VIOLATIONDATA_RACE, thr1Err24ASSERT_VIOLATIONDATA_RACE, thr1Err23ASSERT_VIOLATIONDATA_RACE, thr1Err20ASSERT_VIOLATIONDATA_RACE (and 101 more)] === [2024-11-16 23:15:01,542 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:15:01,543 INFO L85 PathProgramCache]: Analyzing trace with hash -840487438, now seen corresponding path program 1 times [2024-11-16 23:15:01,543 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:15:01,543 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [441042439] [2024-11-16 23:15:01,543 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:15:01,543 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:15:02,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:15:04,670 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 23:15:04,670 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:15:04,670 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [441042439] [2024-11-16 23:15:04,671 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [441042439] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:15:04,671 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:15:04,671 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-16 23:15:04,671 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1471413251] [2024-11-16 23:15:04,671 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:15:04,672 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-16 23:15:04,674 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:15:04,674 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-16 23:15:04,674 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-16 23:15:04,676 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 2262 out of 2342 [2024-11-16 23:15:04,680 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 2330 places, 2342 transitions, 4702 flow. Second operand has 2 states, 2 states have (on average 2263.0) internal successors, (4526), 2 states have internal predecessors, (4526), 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 23:15:04,680 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:15:04,680 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 2262 of 2342 [2024-11-16 23:15:04,680 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:15:10,640 INFO L124 PetriNetUnfolderBase]: 1746/14266 cut-off events. [2024-11-16 23:15:10,641 INFO L125 PetriNetUnfolderBase]: For 391/391 co-relation queries the response was YES. [2024-11-16 23:15:10,705 INFO L83 FinitePrefix]: Finished finitePrefix Result has 16719 conditions, 14266 events. 1746/14266 cut-off events. For 391/391 co-relation queries the response was YES. Maximal size of possible extension queue 208. Compared 140020 event pairs, 990 based on Foata normal form. 1884/14509 useless extension candidates. Maximal degree in co-relation 12948. Up to 2182 conditions per place. [2024-11-16 23:15:10,818 INFO L140 encePairwiseOnDemand]: 2289/2342 looper letters, 27 selfloop transitions, 0 changer transitions 0/2283 dead transitions. [2024-11-16 23:15:10,818 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 2279 places, 2283 transitions, 4638 flow [2024-11-16 23:15:10,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-16 23:15:10,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2024-11-16 23:15:10,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 4604 transitions. [2024-11-16 23:15:10,827 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9829205807002562 [2024-11-16 23:15:10,827 INFO L175 Difference]: Start difference. First operand has 2330 places, 2342 transitions, 4702 flow. Second operand 2 states and 4604 transitions. [2024-11-16 23:15:10,828 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 2279 places, 2283 transitions, 4638 flow [2024-11-16 23:15:10,840 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 2279 places, 2283 transitions, 4636 flow, removed 1 selfloop flow, removed 0 redundant places. [2024-11-16 23:15:10,858 INFO L231 Difference]: Finished difference. Result has 2279 places, 2283 transitions, 4582 flow [2024-11-16 23:15:10,861 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=2342, PETRI_DIFFERENCE_MINUEND_FLOW=4582, PETRI_DIFFERENCE_MINUEND_PLACES=2278, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=2283, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=2283, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=4582, PETRI_PLACES=2279, PETRI_TRANSITIONS=2283} [2024-11-16 23:15:10,863 INFO L277 CegarLoopForPetriNet]: 2330 programPoint places, -51 predicate places. [2024-11-16 23:15:10,863 INFO L471 AbstractCegarLoop]: Abstraction has has 2279 places, 2283 transitions, 4582 flow [2024-11-16 23:15:10,866 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 2263.0) internal successors, (4526), 2 states have internal predecessors, (4526), 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 23:15:10,867 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:15:10,867 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 23:15:10,867 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-16 23:15:10,868 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting thr1Err23ASSERT_VIOLATIONDATA_RACE === [thr1Err25ASSERT_VIOLATIONDATA_RACE, thr1Err24ASSERT_VIOLATIONDATA_RACE, thr1Err23ASSERT_VIOLATIONDATA_RACE, thr1Err20ASSERT_VIOLATIONDATA_RACE (and 101 more)] === [2024-11-16 23:15:10,868 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:15:10,868 INFO L85 PathProgramCache]: Analyzing trace with hash -254275786, now seen corresponding path program 1 times [2024-11-16 23:15:10,868 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:15:10,868 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1475973835] [2024-11-16 23:15:10,869 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:15:10,869 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:15:11,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:15:12,103 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 23:15:12,103 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:15:12,103 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1475973835] [2024-11-16 23:15:12,103 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1475973835] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:15:12,104 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:15:12,104 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 23:15:12,104 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2034696183] [2024-11-16 23:15:12,104 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:15:12,106 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:15:12,108 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:15:12,108 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:15:12,108 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:15:12,131 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 2250 out of 2342 [2024-11-16 23:15:12,137 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 2279 places, 2283 transitions, 4582 flow. Second operand has 3 states, 3 states have (on average 2251.3333333333335) internal successors, (6754), 3 states have internal predecessors, (6754), 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 23:15:12,137 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:15:12,137 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 2250 of 2342 [2024-11-16 23:15:12,137 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand