./Ultimate.py --spec ../sv-benchmarks/c/properties/no-data-race.prp --file ../sv-benchmarks/c/weaver/unroll-5.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version c00e63dc Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/weaver/unroll-5.wvr.c -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/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 624ca078114fa3c35bb1960efece3c50cba0d03b97522c4936fd5f6e5d783f29 --- Real Ultimate output --- This is Ultimate 0.3.0-?-c00e63d-m [2025-02-06 09:32:43,904 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-06 09:32:43,959 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2025-02-06 09:32:43,963 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-06 09:32:43,963 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-06 09:32:43,986 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-06 09:32:43,987 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-06 09:32:43,987 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-06 09:32:43,988 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-06 09:32:43,988 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-06 09:32:43,989 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-06 09:32:43,989 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-06 09:32:43,989 INFO L153 SettingsManager]: * Use SBE=true [2025-02-06 09:32:43,989 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-06 09:32:43,989 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-06 09:32:43,990 INFO L153 SettingsManager]: * sizeof long=4 [2025-02-06 09:32:43,990 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-06 09:32:43,990 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-02-06 09:32:43,990 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-06 09:32:43,990 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-06 09:32:43,990 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-06 09:32:43,990 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-06 09:32:43,990 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2025-02-06 09:32:43,990 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-02-06 09:32:43,990 INFO L153 SettingsManager]: * sizeof long double=12 [2025-02-06 09:32:43,990 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-06 09:32:43,990 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-06 09:32:43,990 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-06 09:32:43,990 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-06 09:32:43,991 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-06 09:32:43,991 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-06 09:32:43,991 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-06 09:32:43,991 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-06 09:32:43,991 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-06 09:32:43,991 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-06 09:32:43,991 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-06 09:32:43,991 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-06 09:32:43,992 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-06 09:32:43,992 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-06 09:32:43,992 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-06 09:32:43,992 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-06 09:32:43,992 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-06 09:32:43,992 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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-jdk21/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 -> 624ca078114fa3c35bb1960efece3c50cba0d03b97522c4936fd5f6e5d783f29 [2025-02-06 09:32:44,213 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-06 09:32:44,218 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-06 09:32:44,220 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-06 09:32:44,220 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-06 09:32:44,221 INFO L274 PluginConnector]: CDTParser initialized [2025-02-06 09:32:44,221 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/weaver/unroll-5.wvr.c [2025-02-06 09:32:45,323 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/62cf03d89/d325728bbb354fb8ac016ba8db3adde4/FLAG9b66d2976 [2025-02-06 09:32:45,565 INFO L384 CDTParser]: Found 1 translation units. [2025-02-06 09:32:45,566 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/weaver/unroll-5.wvr.c [2025-02-06 09:32:45,574 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/62cf03d89/d325728bbb354fb8ac016ba8db3adde4/FLAG9b66d2976 [2025-02-06 09:32:45,895 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/62cf03d89/d325728bbb354fb8ac016ba8db3adde4 [2025-02-06 09:32:45,897 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-06 09:32:45,898 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-06 09:32:45,899 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-06 09:32:45,899 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-06 09:32:45,902 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-06 09:32:45,902 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 09:32:45" (1/1) ... [2025-02-06 09:32:45,903 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@413dff3e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:32:45, skipping insertion in model container [2025-02-06 09:32:45,903 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 09:32:45" (1/1) ... [2025-02-06 09:32:45,915 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-06 09:32:46,072 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 09:32:46,082 INFO L200 MainTranslator]: Completed pre-run [2025-02-06 09:32:46,116 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 09:32:46,134 INFO L204 MainTranslator]: Completed translation [2025-02-06 09:32:46,135 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:32:46 WrapperNode [2025-02-06 09:32:46,135 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-06 09:32:46,136 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-06 09:32:46,136 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-06 09:32:46,137 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-06 09:32:46,141 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:32:46" (1/1) ... [2025-02-06 09:32:46,153 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:32:46" (1/1) ... [2025-02-06 09:32:46,185 INFO L138 Inliner]: procedures = 23, calls = 29, calls flagged for inlining = 15, calls inlined = 15, statements flattened = 325 [2025-02-06 09:32:46,186 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-06 09:32:46,186 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-06 09:32:46,186 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-06 09:32:46,186 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-06 09:32:46,191 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:32:46" (1/1) ... [2025-02-06 09:32:46,192 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:32:46" (1/1) ... [2025-02-06 09:32:46,194 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:32:46" (1/1) ... [2025-02-06 09:32:46,197 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:32:46" (1/1) ... [2025-02-06 09:32:46,206 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:32:46" (1/1) ... [2025-02-06 09:32:46,207 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:32:46" (1/1) ... [2025-02-06 09:32:46,208 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:32:46" (1/1) ... [2025-02-06 09:32:46,209 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:32:46" (1/1) ... [2025-02-06 09:32:46,211 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-06 09:32:46,212 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-06 09:32:46,212 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-06 09:32:46,212 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-06 09:32:46,212 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:32:46" (1/1) ... [2025-02-06 09:32:46,216 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-06 09:32:46,231 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 09:32:46,244 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-02-06 09:32:46,246 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-02-06 09:32:46,262 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-06 09:32:46,262 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2025-02-06 09:32:46,262 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2025-02-06 09:32:46,262 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2025-02-06 09:32:46,262 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2025-02-06 09:32:46,262 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2025-02-06 09:32:46,263 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2025-02-06 09:32:46,263 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-02-06 09:32:46,263 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-06 09:32:46,263 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-06 09:32:46,263 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2025-02-06 09:32:46,264 WARN L227 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2025-02-06 09:32:46,333 INFO L257 CfgBuilder]: Building ICFG [2025-02-06 09:32:46,334 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-06 09:32:46,753 INFO L304 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-02-06 09:32:46,753 INFO L308 CfgBuilder]: Performing block encoding [2025-02-06 09:32:46,775 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-06 09:32:46,776 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-06 09:32:46,776 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 09:32:46 BoogieIcfgContainer [2025-02-06 09:32:46,776 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-06 09:32:46,778 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-06 09:32:46,778 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-06 09:32:46,781 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-06 09:32:46,781 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.02 09:32:45" (1/3) ... [2025-02-06 09:32:46,782 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ccaacf9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.02 09:32:46, skipping insertion in model container [2025-02-06 09:32:46,783 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:32:46" (2/3) ... [2025-02-06 09:32:46,783 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ccaacf9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.02 09:32:46, skipping insertion in model container [2025-02-06 09:32:46,783 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 09:32:46" (3/3) ... [2025-02-06 09:32:46,784 INFO L128 eAbstractionObserver]: Analyzing ICFG unroll-5.wvr.c [2025-02-06 09:32:46,794 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-06 09:32:46,795 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG unroll-5.wvr.c that has 3 procedures, 417 locations, 1 initial locations, 3 loop locations, and 53 error locations. [2025-02-06 09:32:46,795 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-02-06 09:32:46,876 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2025-02-06 09:32:46,911 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 423 places, 438 transitions, 890 flow [2025-02-06 09:32:47,020 INFO L124 PetriNetUnfolderBase]: 22/436 cut-off events. [2025-02-06 09:32:47,023 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2025-02-06 09:32:47,034 INFO L83 FinitePrefix]: Finished finitePrefix Result has 445 conditions, 436 events. 22/436 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 564 event pairs, 0 based on Foata normal form. 0/361 useless extension candidates. Maximal degree in co-relation 300. Up to 2 conditions per place. [2025-02-06 09:32:47,034 INFO L82 GeneralOperation]: Start removeDead. Operand has 423 places, 438 transitions, 890 flow [2025-02-06 09:32:47,043 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 405 places, 419 transitions, 850 flow [2025-02-06 09:32:47,052 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-06 09:32:47,062 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;@5ba9f1b4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-06 09:32:47,064 INFO L334 AbstractCegarLoop]: Starting to check reachability of 99 error locations. [2025-02-06 09:32:47,068 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2025-02-06 09:32:47,069 INFO L124 PetriNetUnfolderBase]: 0/20 cut-off events. [2025-02-06 09:32:47,070 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-02-06 09:32:47,070 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-06 09:32:47,070 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 09:32:47,071 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [thread1Err7ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE, thread1Err5ASSERT_VIOLATIONDATA_RACE, thread1Err4ASSERT_VIOLATIONDATA_RACE (and 95 more)] === [2025-02-06 09:32:47,074 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 09:32:47,075 INFO L85 PathProgramCache]: Analyzing trace with hash 231268555, now seen corresponding path program 1 times [2025-02-06 09:32:47,080 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 09:32:47,080 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1627912524] [2025-02-06 09:32:47,082 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 09:32:47,084 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 09:32:47,133 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 20 statements into 1 equivalence classes. [2025-02-06 09:32:47,138 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 20 of 20 statements. [2025-02-06 09:32:47,139 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 09:32:47,139 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 09:32:47,190 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 09:32:47,192 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 09:32:47,192 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1627912524] [2025-02-06 09:32:47,193 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1627912524] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 09:32:47,193 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 09:32:47,193 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-06 09:32:47,194 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1675680592] [2025-02-06 09:32:47,194 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 09:32:47,226 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-06 09:32:47,230 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 09:32:47,243 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 09:32:47,244 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 09:32:47,266 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 410 out of 438 [2025-02-06 09:32:47,270 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 405 places, 419 transitions, 850 flow. Second operand has 3 states, 3 states have (on average 411.3333333333333) internal successors, (1234), 3 states have internal predecessors, (1234), 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) [2025-02-06 09:32:47,270 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-06 09:32:47,270 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 410 of 438 [2025-02-06 09:32:47,273 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-06 09:32:47,354 INFO L124 PetriNetUnfolderBase]: 16/514 cut-off events. [2025-02-06 09:32:47,354 INFO L125 PetriNetUnfolderBase]: For 10/10 co-relation queries the response was YES. [2025-02-06 09:32:47,358 INFO L83 FinitePrefix]: Finished finitePrefix Result has 547 conditions, 514 events. 16/514 cut-off events. For 10/10 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 1117 event pairs, 3 based on Foata normal form. 12/433 useless extension candidates. Maximal degree in co-relation 409. Up to 19 conditions per place. [2025-02-06 09:32:47,361 INFO L140 encePairwiseOnDemand]: 423/438 looper letters, 10 selfloop transitions, 2 changer transitions 4/406 dead transitions. [2025-02-06 09:32:47,362 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 406 places, 406 transitions, 848 flow [2025-02-06 09:32:47,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 09:32:47,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-02-06 09:32:47,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1255 transitions. [2025-02-06 09:32:47,378 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9550989345509894 [2025-02-06 09:32:47,380 INFO L175 Difference]: Start difference. First operand has 405 places, 419 transitions, 850 flow. Second operand 3 states and 1255 transitions. [2025-02-06 09:32:47,380 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 406 places, 406 transitions, 848 flow [2025-02-06 09:32:47,386 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 402 places, 406 transitions, 840 flow, removed 0 selfloop flow, removed 4 redundant places. [2025-02-06 09:32:47,394 INFO L231 Difference]: Finished difference. Result has 402 places, 402 transitions, 812 flow [2025-02-06 09:32:47,397 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=438, PETRI_DIFFERENCE_MINUEND_FLOW=816, PETRI_DIFFERENCE_MINUEND_PLACES=400, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=406, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=404, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=812, PETRI_PLACES=402, PETRI_TRANSITIONS=402} [2025-02-06 09:32:47,401 INFO L279 CegarLoopForPetriNet]: 405 programPoint places, -3 predicate places. [2025-02-06 09:32:47,402 INFO L471 AbstractCegarLoop]: Abstraction has has 402 places, 402 transitions, 812 flow [2025-02-06 09:32:47,403 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 411.3333333333333) internal successors, (1234), 3 states have internal predecessors, (1234), 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) [2025-02-06 09:32:47,403 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-06 09:32:47,403 INFO L206 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] [2025-02-06 09:32:47,404 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-02-06 09:32:47,404 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [thread1Err7ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE, thread1Err5ASSERT_VIOLATIONDATA_RACE, thread1Err4ASSERT_VIOLATIONDATA_RACE (and 95 more)] === [2025-02-06 09:32:47,405 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 09:32:47,405 INFO L85 PathProgramCache]: Analyzing trace with hash 1457821753, now seen corresponding path program 1 times [2025-02-06 09:32:47,405 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 09:32:47,405 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [377880995] [2025-02-06 09:32:47,405 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 09:32:47,405 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 09:32:47,415 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 28 statements into 1 equivalence classes. [2025-02-06 09:32:47,427 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 28 of 28 statements. [2025-02-06 09:32:47,430 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 09:32:47,430 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 09:32:47,473 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 09:32:47,473 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 09:32:47,473 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [377880995] [2025-02-06 09:32:47,473 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [377880995] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 09:32:47,474 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 09:32:47,474 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-06 09:32:47,474 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1681587702] [2025-02-06 09:32:47,474 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 09:32:47,475 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-06 09:32:47,475 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 09:32:47,475 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 09:32:47,475 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 09:32:47,513 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 405 out of 438 [2025-02-06 09:32:47,514 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 402 places, 402 transitions, 812 flow. Second operand has 3 states, 3 states have (on average 406.3333333333333) internal successors, (1219), 3 states have internal predecessors, (1219), 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) [2025-02-06 09:32:47,514 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-06 09:32:47,514 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 405 of 438 [2025-02-06 09:32:47,514 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-06 09:32:47,592 INFO L124 PetriNetUnfolderBase]: 26/649 cut-off events. [2025-02-06 09:32:47,592 INFO L125 PetriNetUnfolderBase]: For 6/6 co-relation queries the response was YES. [2025-02-06 09:32:47,594 INFO L83 FinitePrefix]: Finished finitePrefix Result has 696 conditions, 649 events. 26/649 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 1681 event pairs, 11 based on Foata normal form. 0/531 useless extension candidates. Maximal degree in co-relation 668. Up to 38 conditions per place. [2025-02-06 09:32:47,597 INFO L140 encePairwiseOnDemand]: 435/438 looper letters, 15 selfloop transitions, 2 changer transitions 0/401 dead transitions. [2025-02-06 09:32:47,597 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 399 places, 401 transitions, 844 flow [2025-02-06 09:32:47,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 09:32:47,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-02-06 09:32:47,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1233 transitions. [2025-02-06 09:32:47,599 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9383561643835616 [2025-02-06 09:32:47,599 INFO L175 Difference]: Start difference. First operand has 402 places, 402 transitions, 812 flow. Second operand 3 states and 1233 transitions. [2025-02-06 09:32:47,600 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 399 places, 401 transitions, 844 flow [2025-02-06 09:32:47,602 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 397 places, 401 transitions, 840 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-02-06 09:32:47,605 INFO L231 Difference]: Finished difference. Result has 397 places, 401 transitions, 810 flow [2025-02-06 09:32:47,606 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=438, PETRI_DIFFERENCE_MINUEND_FLOW=806, PETRI_DIFFERENCE_MINUEND_PLACES=395, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=401, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=399, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=810, PETRI_PLACES=397, PETRI_TRANSITIONS=401} [2025-02-06 09:32:47,606 INFO L279 CegarLoopForPetriNet]: 405 programPoint places, -8 predicate places. [2025-02-06 09:32:47,606 INFO L471 AbstractCegarLoop]: Abstraction has has 397 places, 401 transitions, 810 flow [2025-02-06 09:32:47,607 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 406.3333333333333) internal successors, (1219), 3 states have internal predecessors, (1219), 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) [2025-02-06 09:32:47,607 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-06 09:32:47,607 INFO L206 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] [2025-02-06 09:32:47,607 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-02-06 09:32:47,607 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [thread1Err7ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE, thread1Err5ASSERT_VIOLATIONDATA_RACE, thread1Err4ASSERT_VIOLATIONDATA_RACE (and 95 more)] === [2025-02-06 09:32:47,608 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 09:32:47,608 INFO L85 PathProgramCache]: Analyzing trace with hash -1496914048, now seen corresponding path program 1 times [2025-02-06 09:32:47,608 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 09:32:47,608 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1124112304] [2025-02-06 09:32:47,608 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 09:32:47,608 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 09:32:47,613 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 32 statements into 1 equivalence classes. [2025-02-06 09:32:47,618 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 32 of 32 statements. [2025-02-06 09:32:47,620 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 09:32:47,620 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 09:32:47,643 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 09:32:47,643 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 09:32:47,643 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1124112304] [2025-02-06 09:32:47,643 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1124112304] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 09:32:47,643 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 09:32:47,643 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-06 09:32:47,643 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1096173601] [2025-02-06 09:32:47,643 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 09:32:47,644 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-06 09:32:47,644 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 09:32:47,644 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 09:32:47,644 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 09:32:47,688 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 395 out of 438 [2025-02-06 09:32:47,689 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 397 places, 401 transitions, 810 flow. Second operand has 3 states, 3 states have (on average 396.0) internal successors, (1188), 3 states have internal predecessors, (1188), 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) [2025-02-06 09:32:47,689 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-06 09:32:47,689 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 395 of 438 [2025-02-06 09:32:47,690 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-06 09:32:47,835 INFO L124 PetriNetUnfolderBase]: 96/1418 cut-off events. [2025-02-06 09:32:47,835 INFO L125 PetriNetUnfolderBase]: For 24/24 co-relation queries the response was YES. [2025-02-06 09:32:47,841 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1545 conditions, 1418 events. 96/1418 cut-off events. For 24/24 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 6423 event pairs, 32 based on Foata normal form. 0/1154 useless extension candidates. Maximal degree in co-relation 1509. Up to 117 conditions per place. [2025-02-06 09:32:47,846 INFO L140 encePairwiseOnDemand]: 429/438 looper letters, 20 selfloop transitions, 1 changer transitions 0/393 dead transitions. [2025-02-06 09:32:47,847 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 391 places, 393 transitions, 836 flow [2025-02-06 09:32:47,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 09:32:47,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-02-06 09:32:47,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1214 transitions. [2025-02-06 09:32:47,849 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.923896499238965 [2025-02-06 09:32:47,849 INFO L175 Difference]: Start difference. First operand has 397 places, 401 transitions, 810 flow. Second operand 3 states and 1214 transitions. [2025-02-06 09:32:47,849 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 391 places, 393 transitions, 836 flow [2025-02-06 09:32:47,851 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 389 places, 393 transitions, 832 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-02-06 09:32:47,854 INFO L231 Difference]: Finished difference. Result has 389 places, 393 transitions, 792 flow [2025-02-06 09:32:47,855 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=438, PETRI_DIFFERENCE_MINUEND_FLOW=790, PETRI_DIFFERENCE_MINUEND_PLACES=387, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=393, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=392, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=792, PETRI_PLACES=389, PETRI_TRANSITIONS=393} [2025-02-06 09:32:47,855 INFO L279 CegarLoopForPetriNet]: 405 programPoint places, -16 predicate places. [2025-02-06 09:32:47,855 INFO L471 AbstractCegarLoop]: Abstraction has has 389 places, 393 transitions, 792 flow [2025-02-06 09:32:47,856 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 396.0) internal successors, (1188), 3 states have internal predecessors, (1188), 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) [2025-02-06 09:32:47,856 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-06 09:32:47,856 INFO L206 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] [2025-02-06 09:32:47,856 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-02-06 09:32:47,856 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thread1Err7ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE, thread1Err5ASSERT_VIOLATIONDATA_RACE, thread1Err4ASSERT_VIOLATIONDATA_RACE (and 95 more)] === [2025-02-06 09:32:47,857 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 09:32:47,857 INFO L85 PathProgramCache]: Analyzing trace with hash -730664979, now seen corresponding path program 1 times [2025-02-06 09:32:47,857 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 09:32:47,857 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1829077779] [2025-02-06 09:32:47,857 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 09:32:47,857 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 09:32:47,864 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 70 statements into 1 equivalence classes. [2025-02-06 09:32:47,872 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 70 of 70 statements. [2025-02-06 09:32:47,873 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 09:32:47,873 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 09:32:47,940 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 09:32:47,941 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 09:32:47,941 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1829077779] [2025-02-06 09:32:47,941 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1829077779] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 09:32:47,941 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 09:32:47,941 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-06 09:32:47,941 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [858686591] [2025-02-06 09:32:47,941 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 09:32:47,941 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-06 09:32:47,942 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 09:32:47,943 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 09:32:47,943 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 09:32:47,976 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 407 out of 438 [2025-02-06 09:32:47,977 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 389 places, 393 transitions, 792 flow. Second operand has 3 states, 3 states have (on average 408.3333333333333) internal successors, (1225), 3 states have internal predecessors, (1225), 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) [2025-02-06 09:32:47,977 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-06 09:32:47,978 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 407 of 438 [2025-02-06 09:32:47,978 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-06 09:32:48,048 INFO L124 PetriNetUnfolderBase]: 26/635 cut-off events. [2025-02-06 09:32:48,048 INFO L125 PetriNetUnfolderBase]: For 6/6 co-relation queries the response was YES. [2025-02-06 09:32:48,050 INFO L83 FinitePrefix]: Finished finitePrefix Result has 679 conditions, 635 events. 26/635 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 1633 event pairs, 11 based on Foata normal form. 0/531 useless extension candidates. Maximal degree in co-relation 643. Up to 36 conditions per place. [2025-02-06 09:32:48,052 INFO L140 encePairwiseOnDemand]: 435/438 looper letters, 13 selfloop transitions, 2 changer transitions 0/392 dead transitions. [2025-02-06 09:32:48,052 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 390 places, 392 transitions, 820 flow [2025-02-06 09:32:48,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 09:32:48,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-02-06 09:32:48,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1237 transitions. [2025-02-06 09:32:48,055 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.941400304414003 [2025-02-06 09:32:48,055 INFO L175 Difference]: Start difference. First operand has 389 places, 393 transitions, 792 flow. Second operand 3 states and 1237 transitions. [2025-02-06 09:32:48,055 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 390 places, 392 transitions, 820 flow [2025-02-06 09:32:48,057 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 389 places, 392 transitions, 819 flow, removed 0 selfloop flow, removed 1 redundant places. [2025-02-06 09:32:48,060 INFO L231 Difference]: Finished difference. Result has 389 places, 392 transitions, 793 flow [2025-02-06 09:32:48,060 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=438, PETRI_DIFFERENCE_MINUEND_FLOW=789, PETRI_DIFFERENCE_MINUEND_PLACES=387, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=392, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=390, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=793, PETRI_PLACES=389, PETRI_TRANSITIONS=392} [2025-02-06 09:32:48,061 INFO L279 CegarLoopForPetriNet]: 405 programPoint places, -16 predicate places. [2025-02-06 09:32:48,061 INFO L471 AbstractCegarLoop]: Abstraction has has 389 places, 392 transitions, 793 flow [2025-02-06 09:32:48,062 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 408.3333333333333) internal successors, (1225), 3 states have internal predecessors, (1225), 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) [2025-02-06 09:32:48,062 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-06 09:32:48,062 INFO L206 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] [2025-02-06 09:32:48,062 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-02-06 09:32:48,062 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [thread1Err7ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE, thread1Err5ASSERT_VIOLATIONDATA_RACE, thread1Err4ASSERT_VIOLATIONDATA_RACE (and 95 more)] === [2025-02-06 09:32:48,063 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 09:32:48,063 INFO L85 PathProgramCache]: Analyzing trace with hash -218428815, now seen corresponding path program 1 times [2025-02-06 09:32:48,063 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 09:32:48,063 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [522548857] [2025-02-06 09:32:48,063 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 09:32:48,064 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 09:32:48,074 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 70 statements into 1 equivalence classes. [2025-02-06 09:32:48,096 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 70 of 70 statements. [2025-02-06 09:32:48,096 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 09:32:48,096 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 09:32:48,521 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 09:32:48,521 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 09:32:48,521 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [522548857] [2025-02-06 09:32:48,522 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [522548857] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 09:32:48,522 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 09:32:48,522 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-02-06 09:32:48,522 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [233267369] [2025-02-06 09:32:48,522 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 09:32:48,522 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-02-06 09:32:48,523 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 09:32:48,523 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-02-06 09:32:48,523 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2025-02-06 09:32:48,660 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 382 out of 438 [2025-02-06 09:32:48,663 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 389 places, 392 transitions, 793 flow. Second operand has 6 states, 6 states have (on average 383.5) internal successors, (2301), 6 states have internal predecessors, (2301), 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) [2025-02-06 09:32:48,663 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-06 09:32:48,663 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 382 of 438 [2025-02-06 09:32:48,663 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-06 09:32:48,842 INFO L124 PetriNetUnfolderBase]: 188/1752 cut-off events. [2025-02-06 09:32:48,842 INFO L125 PetriNetUnfolderBase]: For 43/43 co-relation queries the response was YES. [2025-02-06 09:32:48,845 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2060 conditions, 1752 events. 188/1752 cut-off events. For 43/43 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 8992 event pairs, 104 based on Foata normal form. 0/1456 useless extension candidates. Maximal degree in co-relation 2025. Up to 292 conditions per place. [2025-02-06 09:32:48,849 INFO L140 encePairwiseOnDemand]: 432/438 looper letters, 36 selfloop transitions, 5 changer transitions 0/391 dead transitions. [2025-02-06 09:32:48,850 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 393 places, 391 transitions, 873 flow [2025-02-06 09:32:48,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-02-06 09:32:48,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2025-02-06 09:32:48,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2334 transitions. [2025-02-06 09:32:48,853 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8881278538812786 [2025-02-06 09:32:48,853 INFO L175 Difference]: Start difference. First operand has 389 places, 392 transitions, 793 flow. Second operand 6 states and 2334 transitions. [2025-02-06 09:32:48,853 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 393 places, 391 transitions, 873 flow [2025-02-06 09:32:48,855 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 391 places, 391 transitions, 869 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-02-06 09:32:48,858 INFO L231 Difference]: Finished difference. Result has 391 places, 391 transitions, 797 flow [2025-02-06 09:32:48,858 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=438, PETRI_DIFFERENCE_MINUEND_FLOW=787, PETRI_DIFFERENCE_MINUEND_PLACES=386, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=391, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=386, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=797, PETRI_PLACES=391, PETRI_TRANSITIONS=391} [2025-02-06 09:32:48,859 INFO L279 CegarLoopForPetriNet]: 405 programPoint places, -14 predicate places. [2025-02-06 09:32:48,859 INFO L471 AbstractCegarLoop]: Abstraction has has 391 places, 391 transitions, 797 flow [2025-02-06 09:32:48,860 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 383.5) internal successors, (2301), 6 states have internal predecessors, (2301), 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) [2025-02-06 09:32:48,860 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-06 09:32:48,860 INFO L206 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] [2025-02-06 09:32:48,860 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-02-06 09:32:48,860 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err7ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE, thread1Err5ASSERT_VIOLATIONDATA_RACE, thread1Err4ASSERT_VIOLATIONDATA_RACE (and 95 more)] === [2025-02-06 09:32:48,861 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 09:32:48,861 INFO L85 PathProgramCache]: Analyzing trace with hash -2117880153, now seen corresponding path program 1 times [2025-02-06 09:32:48,861 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 09:32:48,861 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [382054117] [2025-02-06 09:32:48,861 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 09:32:48,861 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 09:32:48,866 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 74 statements into 1 equivalence classes. [2025-02-06 09:32:48,873 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 74 of 74 statements. [2025-02-06 09:32:48,873 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 09:32:48,873 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 09:32:48,896 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 09:32:48,896 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 09:32:48,896 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [382054117] [2025-02-06 09:32:48,896 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [382054117] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 09:32:48,896 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 09:32:48,896 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-06 09:32:48,897 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [948313640] [2025-02-06 09:32:48,897 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 09:32:48,897 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-06 09:32:48,897 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 09:32:48,897 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 09:32:48,897 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 09:32:48,909 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 410 out of 438 [2025-02-06 09:32:48,910 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 391 places, 391 transitions, 797 flow. Second operand has 3 states, 3 states have (on average 411.0) internal successors, (1233), 3 states have internal predecessors, (1233), 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) [2025-02-06 09:32:48,910 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-06 09:32:48,910 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 410 of 438 [2025-02-06 09:32:48,910 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-06 09:32:48,992 INFO L124 PetriNetUnfolderBase]: 40/1161 cut-off events. [2025-02-06 09:32:48,992 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2025-02-06 09:32:48,995 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1207 conditions, 1161 events. 40/1161 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 4706 event pairs, 8 based on Foata normal form. 0/964 useless extension candidates. Maximal degree in co-relation 1189. Up to 32 conditions per place. [2025-02-06 09:32:48,999 INFO L140 encePairwiseOnDemand]: 434/438 looper letters, 10 selfloop transitions, 1 changer transitions 0/388 dead transitions. [2025-02-06 09:32:48,999 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 390 places, 388 transitions, 813 flow [2025-02-06 09:32:48,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 09:32:48,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-02-06 09:32:49,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1244 transitions. [2025-02-06 09:32:49,001 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9467275494672754 [2025-02-06 09:32:49,001 INFO L175 Difference]: Start difference. First operand has 391 places, 391 transitions, 797 flow. Second operand 3 states and 1244 transitions. [2025-02-06 09:32:49,001 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 390 places, 388 transitions, 813 flow [2025-02-06 09:32:49,004 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 385 places, 388 transitions, 803 flow, removed 0 selfloop flow, removed 5 redundant places. [2025-02-06 09:32:49,008 INFO L231 Difference]: Finished difference. Result has 385 places, 388 transitions, 783 flow [2025-02-06 09:32:49,009 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=438, PETRI_DIFFERENCE_MINUEND_FLOW=781, PETRI_DIFFERENCE_MINUEND_PLACES=383, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=388, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=387, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=783, PETRI_PLACES=385, PETRI_TRANSITIONS=388} [2025-02-06 09:32:49,010 INFO L279 CegarLoopForPetriNet]: 405 programPoint places, -20 predicate places. [2025-02-06 09:32:49,011 INFO L471 AbstractCegarLoop]: Abstraction has has 385 places, 388 transitions, 783 flow [2025-02-06 09:32:49,011 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 411.0) internal successors, (1233), 3 states have internal predecessors, (1233), 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) [2025-02-06 09:32:49,012 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-06 09:32:49,012 INFO L206 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] [2025-02-06 09:32:49,012 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2025-02-06 09:32:49,012 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting thread1Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err7ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE, thread1Err5ASSERT_VIOLATIONDATA_RACE, thread1Err4ASSERT_VIOLATIONDATA_RACE (and 95 more)] === [2025-02-06 09:32:49,012 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 09:32:49,013 INFO L85 PathProgramCache]: Analyzing trace with hash -113628919, now seen corresponding path program 1 times [2025-02-06 09:32:49,014 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 09:32:49,014 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2040751092] [2025-02-06 09:32:49,014 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 09:32:49,014 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 09:32:49,021 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 91 statements into 1 equivalence classes. [2025-02-06 09:32:49,028 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 91 of 91 statements. [2025-02-06 09:32:49,028 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 09:32:49,028 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 09:32:49,067 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 09:32:49,067 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 09:32:49,067 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2040751092] [2025-02-06 09:32:49,067 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2040751092] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 09:32:49,067 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 09:32:49,067 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-06 09:32:49,067 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [923804546] [2025-02-06 09:32:49,067 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 09:32:49,067 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-06 09:32:49,067 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 09:32:49,068 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 09:32:49,068 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 09:32:49,089 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 407 out of 438 [2025-02-06 09:32:49,090 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 385 places, 388 transitions, 783 flow. Second operand has 3 states, 3 states have (on average 408.0) internal successors, (1224), 3 states have internal predecessors, (1224), 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) [2025-02-06 09:32:49,091 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-06 09:32:49,091 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 407 of 438 [2025-02-06 09:32:49,091 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-06 09:32:49,149 INFO L124 PetriNetUnfolderBase]: 23/649 cut-off events. [2025-02-06 09:32:49,149 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2025-02-06 09:32:49,151 INFO L83 FinitePrefix]: Finished finitePrefix Result has 690 conditions, 649 events. 23/649 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 1307 event pairs, 1 based on Foata normal form. 0/556 useless extension candidates. Maximal degree in co-relation 655. Up to 20 conditions per place. [2025-02-06 09:32:49,153 INFO L140 encePairwiseOnDemand]: 431/438 looper letters, 11 selfloop transitions, 3 changer transitions 0/385 dead transitions. [2025-02-06 09:32:49,153 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 383 places, 385 transitions, 806 flow [2025-02-06 09:32:49,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 09:32:49,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-02-06 09:32:49,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1239 transitions. [2025-02-06 09:32:49,155 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9429223744292238 [2025-02-06 09:32:49,156 INFO L175 Difference]: Start difference. First operand has 385 places, 388 transitions, 783 flow. Second operand 3 states and 1239 transitions. [2025-02-06 09:32:49,156 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 383 places, 385 transitions, 806 flow [2025-02-06 09:32:49,158 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 382 places, 385 transitions, 805 flow, removed 0 selfloop flow, removed 1 redundant places. [2025-02-06 09:32:49,160 INFO L231 Difference]: Finished difference. Result has 382 places, 384 transitions, 780 flow [2025-02-06 09:32:49,161 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=438, PETRI_DIFFERENCE_MINUEND_FLOW=774, PETRI_DIFFERENCE_MINUEND_PLACES=380, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=384, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=381, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=780, PETRI_PLACES=382, PETRI_TRANSITIONS=384} [2025-02-06 09:32:49,161 INFO L279 CegarLoopForPetriNet]: 405 programPoint places, -23 predicate places. [2025-02-06 09:32:49,161 INFO L471 AbstractCegarLoop]: Abstraction has has 382 places, 384 transitions, 780 flow [2025-02-06 09:32:49,163 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 408.0) internal successors, (1224), 3 states have internal predecessors, (1224), 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) [2025-02-06 09:32:49,163 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-06 09:32:49,163 INFO L206 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] [2025-02-06 09:32:49,163 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2025-02-06 09:32:49,163 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting thread2Err34ASSERT_VIOLATIONDATA_RACE === [thread1Err7ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE, thread1Err5ASSERT_VIOLATIONDATA_RACE, thread1Err4ASSERT_VIOLATIONDATA_RACE (and 95 more)] === [2025-02-06 09:32:49,164 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 09:32:49,164 INFO L85 PathProgramCache]: Analyzing trace with hash -834669530, now seen corresponding path program 1 times [2025-02-06 09:32:49,164 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 09:32:49,164 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2082057328] [2025-02-06 09:32:49,164 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 09:32:49,164 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 09:32:49,170 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 97 statements into 1 equivalence classes. [2025-02-06 09:32:49,175 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 97 of 97 statements. [2025-02-06 09:32:49,177 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 09:32:49,177 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 09:32:49,201 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 09:32:49,202 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 09:32:49,202 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2082057328] [2025-02-06 09:32:49,202 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2082057328] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 09:32:49,202 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 09:32:49,202 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-06 09:32:49,202 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1511939302] [2025-02-06 09:32:49,202 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 09:32:49,202 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-06 09:32:49,203 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 09:32:49,203 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 09:32:49,203 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 09:32:49,261 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 367 out of 438 [2025-02-06 09:32:49,263 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 382 places, 384 transitions, 780 flow. Second operand has 3 states, 3 states have (on average 368.3333333333333) internal successors, (1105), 3 states have internal predecessors, (1105), 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) [2025-02-06 09:32:49,263 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-06 09:32:49,263 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 367 of 438 [2025-02-06 09:32:49,263 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-06 09:32:49,326 INFO L124 PetriNetUnfolderBase]: 49/568 cut-off events. [2025-02-06 09:32:49,326 INFO L125 PetriNetUnfolderBase]: For 36/36 co-relation queries the response was YES. [2025-02-06 09:32:49,328 INFO L83 FinitePrefix]: Finished finitePrefix Result has 688 conditions, 568 events. 49/568 cut-off events. For 36/36 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 1663 event pairs, 5 based on Foata normal form. 1/516 useless extension candidates. Maximal degree in co-relation 653. Up to 91 conditions per place. [2025-02-06 09:32:49,330 INFO L140 encePairwiseOnDemand]: 411/438 looper letters, 29 selfloop transitions, 10 changer transitions 4/369 dead transitions. [2025-02-06 09:32:49,330 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 368 places, 369 transitions, 833 flow [2025-02-06 09:32:49,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 09:32:49,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-02-06 09:32:49,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1158 transitions. [2025-02-06 09:32:49,334 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8812785388127854 [2025-02-06 09:32:49,334 INFO L175 Difference]: Start difference. First operand has 382 places, 384 transitions, 780 flow. Second operand 3 states and 1158 transitions. [2025-02-06 09:32:49,334 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 368 places, 369 transitions, 833 flow [2025-02-06 09:32:49,336 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 366 places, 369 transitions, 827 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-02-06 09:32:49,339 INFO L231 Difference]: Finished difference. Result has 366 places, 364 transitions, 753 flow [2025-02-06 09:32:49,339 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=438, PETRI_DIFFERENCE_MINUEND_FLOW=742, PETRI_DIFFERENCE_MINUEND_PLACES=364, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=368, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=358, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=753, PETRI_PLACES=366, PETRI_TRANSITIONS=364} [2025-02-06 09:32:49,340 INFO L279 CegarLoopForPetriNet]: 405 programPoint places, -39 predicate places. [2025-02-06 09:32:49,340 INFO L471 AbstractCegarLoop]: Abstraction has has 366 places, 364 transitions, 753 flow [2025-02-06 09:32:49,340 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 368.3333333333333) internal successors, (1105), 3 states have internal predecessors, (1105), 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) [2025-02-06 09:32:49,340 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-06 09:32:49,340 INFO L206 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] [2025-02-06 09:32:49,341 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2025-02-06 09:32:49,341 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting thread1Err3ASSERT_VIOLATIONDATA_RACE === [thread1Err7ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE, thread1Err5ASSERT_VIOLATIONDATA_RACE, thread1Err4ASSERT_VIOLATIONDATA_RACE (and 95 more)] === [2025-02-06 09:32:49,341 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 09:32:49,341 INFO L85 PathProgramCache]: Analyzing trace with hash -293593831, now seen corresponding path program 1 times [2025-02-06 09:32:49,341 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 09:32:49,341 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1417160481] [2025-02-06 09:32:49,341 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 09:32:49,342 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 09:32:49,347 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 102 statements into 1 equivalence classes. [2025-02-06 09:32:49,351 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 102 of 102 statements. [2025-02-06 09:32:49,351 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 09:32:49,351 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 09:32:49,368 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 09:32:49,369 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 09:32:49,369 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1417160481] [2025-02-06 09:32:49,369 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1417160481] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 09:32:49,369 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 09:32:49,369 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-06 09:32:49,369 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [661181] [2025-02-06 09:32:49,369 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 09:32:49,369 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-06 09:32:49,369 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 09:32:49,369 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 09:32:49,369 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 09:32:49,391 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 401 out of 438 [2025-02-06 09:32:49,392 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 366 places, 364 transitions, 753 flow. Second operand has 3 states, 3 states have (on average 402.3333333333333) internal successors, (1207), 3 states have internal predecessors, (1207), 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) [2025-02-06 09:32:49,392 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-06 09:32:49,392 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 401 of 438 [2025-02-06 09:32:49,392 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-06 09:32:49,504 INFO L124 PetriNetUnfolderBase]: 85/1157 cut-off events. [2025-02-06 09:32:49,504 INFO L125 PetriNetUnfolderBase]: For 22/22 co-relation queries the response was YES. [2025-02-06 09:32:49,507 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1315 conditions, 1157 events. 85/1157 cut-off events. For 22/22 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 4614 event pairs, 10 based on Foata normal form. 0/1046 useless extension candidates. Maximal degree in co-relation 1280. Up to 104 conditions per place. [2025-02-06 09:32:49,510 INFO L140 encePairwiseOnDemand]: 430/438 looper letters, 18 selfloop transitions, 2 changer transitions 0/362 dead transitions. [2025-02-06 09:32:49,510 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 358 places, 362 transitions, 791 flow [2025-02-06 09:32:49,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 09:32:49,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-02-06 09:32:49,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1229 transitions. [2025-02-06 09:32:49,513 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9353120243531202 [2025-02-06 09:32:49,513 INFO L175 Difference]: Start difference. First operand has 366 places, 364 transitions, 753 flow. Second operand 3 states and 1229 transitions. [2025-02-06 09:32:49,513 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 358 places, 362 transitions, 791 flow [2025-02-06 09:32:49,515 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 356 places, 362 transitions, 771 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-02-06 09:32:49,520 INFO L231 Difference]: Finished difference. Result has 357 places, 360 transitions, 735 flow [2025-02-06 09:32:49,520 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=438, PETRI_DIFFERENCE_MINUEND_FLOW=721, PETRI_DIFFERENCE_MINUEND_PLACES=354, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=358, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=356, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=735, PETRI_PLACES=357, PETRI_TRANSITIONS=360} [2025-02-06 09:32:49,521 INFO L279 CegarLoopForPetriNet]: 405 programPoint places, -48 predicate places. [2025-02-06 09:32:49,521 INFO L471 AbstractCegarLoop]: Abstraction has has 357 places, 360 transitions, 735 flow [2025-02-06 09:32:49,522 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 402.3333333333333) internal successors, (1207), 3 states have internal predecessors, (1207), 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) [2025-02-06 09:32:49,522 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-06 09:32:49,522 INFO L206 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] [2025-02-06 09:32:49,522 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2025-02-06 09:32:49,522 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting thread1Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err7ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE, thread1Err5ASSERT_VIOLATIONDATA_RACE, thread1Err4ASSERT_VIOLATIONDATA_RACE (and 95 more)] === [2025-02-06 09:32:49,523 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 09:32:49,523 INFO L85 PathProgramCache]: Analyzing trace with hash 1118002173, now seen corresponding path program 1 times [2025-02-06 09:32:49,523 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 09:32:49,523 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [980196907] [2025-02-06 09:32:49,523 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 09:32:49,523 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 09:32:49,531 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 110 statements into 1 equivalence classes. [2025-02-06 09:32:49,536 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 110 of 110 statements. [2025-02-06 09:32:49,537 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 09:32:49,537 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 09:32:49,609 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 09:32:49,609 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 09:32:49,609 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [980196907] [2025-02-06 09:32:49,609 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [980196907] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 09:32:49,609 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 09:32:49,609 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-02-06 09:32:49,609 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2096015652] [2025-02-06 09:32:49,609 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 09:32:49,609 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-06 09:32:49,610 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 09:32:49,610 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-06 09:32:49,610 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-06 09:32:49,635 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 413 out of 438 [2025-02-06 09:32:49,637 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 357 places, 360 transitions, 735 flow. Second operand has 4 states, 4 states have (on average 414.25) internal successors, (1657), 4 states have internal predecessors, (1657), 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) [2025-02-06 09:32:49,637 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-06 09:32:49,637 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 413 of 438 [2025-02-06 09:32:49,637 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-06 09:32:49,770 INFO L124 PetriNetUnfolderBase]: 49/1348 cut-off events. [2025-02-06 09:32:49,770 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2025-02-06 09:32:49,773 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1419 conditions, 1348 events. 49/1348 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 5282 event pairs, 3 based on Foata normal form. 0/1216 useless extension candidates. Maximal degree in co-relation 1383. Up to 18 conditions per place. [2025-02-06 09:32:49,777 INFO L140 encePairwiseOnDemand]: 432/438 looper letters, 13 selfloop transitions, 6 changer transitions 0/369 dead transitions. [2025-02-06 09:32:49,778 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 361 places, 369 transitions, 795 flow [2025-02-06 09:32:49,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-02-06 09:32:49,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2025-02-06 09:32:49,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 2085 transitions. [2025-02-06 09:32:49,782 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.952054794520548 [2025-02-06 09:32:49,782 INFO L175 Difference]: Start difference. First operand has 357 places, 360 transitions, 735 flow. Second operand 5 states and 2085 transitions. [2025-02-06 09:32:49,782 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 361 places, 369 transitions, 795 flow [2025-02-06 09:32:49,784 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 361 places, 369 transitions, 795 flow, removed 0 selfloop flow, removed 0 redundant places. [2025-02-06 09:32:49,786 INFO L231 Difference]: Finished difference. Result has 364 places, 364 transitions, 773 flow [2025-02-06 09:32:49,787 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=438, PETRI_DIFFERENCE_MINUEND_FLOW=735, PETRI_DIFFERENCE_MINUEND_PLACES=357, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=360, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=355, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=773, PETRI_PLACES=364, PETRI_TRANSITIONS=364} [2025-02-06 09:32:49,788 INFO L279 CegarLoopForPetriNet]: 405 programPoint places, -41 predicate places. [2025-02-06 09:32:49,788 INFO L471 AbstractCegarLoop]: Abstraction has has 364 places, 364 transitions, 773 flow [2025-02-06 09:32:49,789 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 414.25) internal successors, (1657), 4 states have internal predecessors, (1657), 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) [2025-02-06 09:32:49,789 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-06 09:32:49,789 INFO L206 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] [2025-02-06 09:32:49,789 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2025-02-06 09:32:49,789 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting thread1Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err7ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE, thread1Err5ASSERT_VIOLATIONDATA_RACE, thread1Err4ASSERT_VIOLATIONDATA_RACE (and 95 more)] === [2025-02-06 09:32:49,790 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 09:32:49,790 INFO L85 PathProgramCache]: Analyzing trace with hash -1872118129, now seen corresponding path program 1 times [2025-02-06 09:32:49,790 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 09:32:49,790 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [927932318] [2025-02-06 09:32:49,790 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 09:32:49,790 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 09:32:49,800 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 115 statements into 1 equivalence classes. [2025-02-06 09:32:49,809 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 115 of 115 statements. [2025-02-06 09:32:49,809 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 09:32:49,809 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 09:32:50,101 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 09:32:50,102 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 09:32:50,102 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [927932318] [2025-02-06 09:32:50,102 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [927932318] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 09:32:50,102 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 09:32:50,102 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-02-06 09:32:50,102 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1724340588] [2025-02-06 09:32:50,102 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 09:32:50,102 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-02-06 09:32:50,103 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 09:32:50,104 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-02-06 09:32:50,104 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2025-02-06 09:32:50,396 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 406 out of 438 [2025-02-06 09:32:50,398 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 364 places, 364 transitions, 773 flow. Second operand has 6 states, 6 states have (on average 407.5) internal successors, (2445), 6 states have internal predecessors, (2445), 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) [2025-02-06 09:32:50,398 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-06 09:32:50,398 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 406 of 438 [2025-02-06 09:32:50,398 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-06 09:32:50,508 INFO L124 PetriNetUnfolderBase]: 42/1051 cut-off events. [2025-02-06 09:32:50,509 INFO L125 PetriNetUnfolderBase]: For 8/9 co-relation queries the response was YES. [2025-02-06 09:32:50,513 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1149 conditions, 1051 events. 42/1051 cut-off events. For 8/9 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 3382 event pairs, 2 based on Foata normal form. 0/956 useless extension candidates. Maximal degree in co-relation 1107. Up to 17 conditions per place. [2025-02-06 09:32:50,516 INFO L140 encePairwiseOnDemand]: 432/438 looper letters, 15 selfloop transitions, 6 changer transitions 0/367 dead transitions. [2025-02-06 09:32:50,516 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 368 places, 367 transitions, 825 flow [2025-02-06 09:32:50,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-02-06 09:32:50,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2025-02-06 09:32:50,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2457 transitions. [2025-02-06 09:32:50,522 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.934931506849315 [2025-02-06 09:32:50,522 INFO L175 Difference]: Start difference. First operand has 364 places, 364 transitions, 773 flow. Second operand 6 states and 2457 transitions. [2025-02-06 09:32:50,522 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 368 places, 367 transitions, 825 flow [2025-02-06 09:32:50,524 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 368 places, 367 transitions, 825 flow, removed 0 selfloop flow, removed 0 redundant places. [2025-02-06 09:32:50,527 INFO L231 Difference]: Finished difference. Result has 368 places, 363 transitions, 783 flow [2025-02-06 09:32:50,527 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=438, PETRI_DIFFERENCE_MINUEND_FLOW=771, PETRI_DIFFERENCE_MINUEND_PLACES=363, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=363, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=357, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=783, PETRI_PLACES=368, PETRI_TRANSITIONS=363} [2025-02-06 09:32:50,528 INFO L279 CegarLoopForPetriNet]: 405 programPoint places, -37 predicate places. [2025-02-06 09:32:50,528 INFO L471 AbstractCegarLoop]: Abstraction has has 368 places, 363 transitions, 783 flow [2025-02-06 09:32:50,529 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 407.5) internal successors, (2445), 6 states have internal predecessors, (2445), 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) [2025-02-06 09:32:50,530 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-06 09:32:50,530 INFO L206 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] [2025-02-06 09:32:50,530 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2025-02-06 09:32:50,530 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting thread2Err29ASSERT_VIOLATIONDATA_RACE === [thread1Err7ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE, thread1Err5ASSERT_VIOLATIONDATA_RACE, thread1Err4ASSERT_VIOLATIONDATA_RACE (and 95 more)] === [2025-02-06 09:32:50,531 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 09:32:50,531 INFO L85 PathProgramCache]: Analyzing trace with hash 1663326231, now seen corresponding path program 1 times [2025-02-06 09:32:50,531 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 09:32:50,531 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [927950520] [2025-02-06 09:32:50,531 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 09:32:50,531 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 09:32:50,540 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 116 statements into 1 equivalence classes. [2025-02-06 09:32:50,547 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 116 of 116 statements. [2025-02-06 09:32:50,548 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 09:32:50,548 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 09:32:50,628 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 09:32:50,629 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 09:32:50,629 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [927950520] [2025-02-06 09:32:50,629 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [927950520] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 09:32:50,629 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 09:32:50,629 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-02-06 09:32:50,629 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [498513114] [2025-02-06 09:32:50,630 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 09:32:50,630 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-06 09:32:50,630 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 09:32:50,630 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-06 09:32:50,630 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-06 09:32:50,712 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 409 out of 438 [2025-02-06 09:32:50,714 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 368 places, 363 transitions, 783 flow. Second operand has 4 states, 4 states have (on average 410.5) internal successors, (1642), 4 states have internal predecessors, (1642), 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) [2025-02-06 09:32:50,714 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-06 09:32:50,714 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 409 of 438 [2025-02-06 09:32:50,714 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-06 09:32:50,854 INFO L124 PetriNetUnfolderBase]: 63/1321 cut-off events. [2025-02-06 09:32:50,855 INFO L125 PetriNetUnfolderBase]: For 36/37 co-relation queries the response was YES. [2025-02-06 09:32:50,859 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1472 conditions, 1321 events. 63/1321 cut-off events. For 36/37 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 5807 event pairs, 6 based on Foata normal form. 0/1198 useless extension candidates. Maximal degree in co-relation 1430. Up to 67 conditions per place. [2025-02-06 09:32:50,862 INFO L140 encePairwiseOnDemand]: 432/438 looper letters, 16 selfloop transitions, 6 changer transitions 0/371 dead transitions. [2025-02-06 09:32:50,862 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 372 places, 371 transitions, 846 flow [2025-02-06 09:32:50,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-02-06 09:32:50,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2025-02-06 09:32:50,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 2068 transitions. [2025-02-06 09:32:50,866 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9442922374429223 [2025-02-06 09:32:50,866 INFO L175 Difference]: Start difference. First operand has 368 places, 363 transitions, 783 flow. Second operand 5 states and 2068 transitions. [2025-02-06 09:32:50,866 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 372 places, 371 transitions, 846 flow [2025-02-06 09:32:50,868 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 367 places, 371 transitions, 834 flow, removed 0 selfloop flow, removed 5 redundant places. [2025-02-06 09:32:50,870 INFO L231 Difference]: Finished difference. Result has 370 places, 367 transitions, 809 flow [2025-02-06 09:32:50,871 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=438, PETRI_DIFFERENCE_MINUEND_FLOW=771, PETRI_DIFFERENCE_MINUEND_PLACES=363, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=363, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=358, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=809, PETRI_PLACES=370, PETRI_TRANSITIONS=367} [2025-02-06 09:32:50,871 INFO L279 CegarLoopForPetriNet]: 405 programPoint places, -35 predicate places. [2025-02-06 09:32:50,871 INFO L471 AbstractCegarLoop]: Abstraction has has 370 places, 367 transitions, 809 flow [2025-02-06 09:32:50,872 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 410.5) internal successors, (1642), 4 states have internal predecessors, (1642), 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) [2025-02-06 09:32:50,872 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-06 09:32:50,872 INFO L206 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] [2025-02-06 09:32:50,872 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2025-02-06 09:32:50,872 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting thread1Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err7ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE, thread1Err5ASSERT_VIOLATIONDATA_RACE, thread1Err4ASSERT_VIOLATIONDATA_RACE (and 95 more)] === [2025-02-06 09:32:50,873 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 09:32:50,873 INFO L85 PathProgramCache]: Analyzing trace with hash -1294239407, now seen corresponding path program 1 times [2025-02-06 09:32:50,873 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 09:32:50,873 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1531041390] [2025-02-06 09:32:50,873 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 09:32:50,873 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 09:32:50,881 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 119 statements into 1 equivalence classes. [2025-02-06 09:32:50,888 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 119 of 119 statements. [2025-02-06 09:32:50,888 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 09:32:50,888 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 09:32:50,908 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 09:32:50,908 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 09:32:50,908 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1531041390] [2025-02-06 09:32:50,908 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1531041390] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 09:32:50,909 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 09:32:50,909 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-06 09:32:50,909 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1707301618] [2025-02-06 09:32:50,909 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 09:32:50,909 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-06 09:32:50,909 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 09:32:50,909 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 09:32:50,910 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 09:32:50,926 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 411 out of 438 [2025-02-06 09:32:50,927 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 370 places, 367 transitions, 809 flow. Second operand has 3 states, 3 states have (on average 413.3333333333333) internal successors, (1240), 3 states have internal predecessors, (1240), 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) [2025-02-06 09:32:50,927 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-06 09:32:50,927 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 411 of 438 [2025-02-06 09:32:50,927 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-06 09:32:51,061 INFO L124 PetriNetUnfolderBase]: 57/1684 cut-off events. [2025-02-06 09:32:51,061 INFO L125 PetriNetUnfolderBase]: For 31/31 co-relation queries the response was YES. [2025-02-06 09:32:51,066 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1869 conditions, 1684 events. 57/1684 cut-off events. For 31/31 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 7671 event pairs, 10 based on Foata normal form. 0/1538 useless extension candidates. Maximal degree in co-relation 1824. Up to 34 conditions per place. [2025-02-06 09:32:51,069 INFO L140 encePairwiseOnDemand]: 435/438 looper letters, 9 selfloop transitions, 2 changer transitions 0/367 dead transitions. [2025-02-06 09:32:51,069 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 371 places, 367 transitions, 832 flow [2025-02-06 09:32:51,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 09:32:51,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-02-06 09:32:51,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1245 transitions. [2025-02-06 09:32:51,071 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9474885844748858 [2025-02-06 09:32:51,071 INFO L175 Difference]: Start difference. First operand has 370 places, 367 transitions, 809 flow. Second operand 3 states and 1245 transitions. [2025-02-06 09:32:51,071 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 371 places, 367 transitions, 832 flow [2025-02-06 09:32:51,074 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 371 places, 367 transitions, 832 flow, removed 0 selfloop flow, removed 0 redundant places. [2025-02-06 09:32:51,076 INFO L231 Difference]: Finished difference. Result has 371 places, 366 transitions, 811 flow [2025-02-06 09:32:51,076 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=438, PETRI_DIFFERENCE_MINUEND_FLOW=807, PETRI_DIFFERENCE_MINUEND_PLACES=369, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=366, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=364, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=811, PETRI_PLACES=371, PETRI_TRANSITIONS=366} [2025-02-06 09:32:51,076 INFO L279 CegarLoopForPetriNet]: 405 programPoint places, -34 predicate places. [2025-02-06 09:32:51,077 INFO L471 AbstractCegarLoop]: Abstraction has has 371 places, 366 transitions, 811 flow [2025-02-06 09:32:51,077 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 413.3333333333333) internal successors, (1240), 3 states have internal predecessors, (1240), 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) [2025-02-06 09:32:51,077 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-06 09:32:51,077 INFO L206 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] [2025-02-06 09:32:51,077 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2025-02-06 09:32:51,078 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting thread2Err29ASSERT_VIOLATIONDATA_RACE === [thread1Err7ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE, thread1Err5ASSERT_VIOLATIONDATA_RACE, thread1Err4ASSERT_VIOLATIONDATA_RACE (and 95 more)] === [2025-02-06 09:32:51,078 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 09:32:51,078 INFO L85 PathProgramCache]: Analyzing trace with hash -190503636, now seen corresponding path program 1 times [2025-02-06 09:32:51,078 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 09:32:51,078 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [907959438] [2025-02-06 09:32:51,078 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 09:32:51,078 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 09:32:51,087 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 121 statements into 1 equivalence classes. [2025-02-06 09:32:51,093 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 121 of 121 statements. [2025-02-06 09:32:51,094 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 09:32:51,094 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 09:32:51,337 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 09:32:51,337 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 09:32:51,337 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [907959438] [2025-02-06 09:32:51,337 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [907959438] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 09:32:51,337 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 09:32:51,337 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-02-06 09:32:51,337 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1525340132] [2025-02-06 09:32:51,337 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 09:32:51,337 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-02-06 09:32:51,338 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 09:32:51,338 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-02-06 09:32:51,338 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2025-02-06 09:32:51,578 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 378 out of 438 [2025-02-06 09:32:51,580 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 371 places, 366 transitions, 811 flow. Second operand has 6 states, 6 states have (on average 379.6666666666667) internal successors, (2278), 6 states have internal predecessors, (2278), 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) [2025-02-06 09:32:51,581 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-06 09:32:51,581 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 378 of 438 [2025-02-06 09:32:51,581 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-06 09:32:51,710 INFO L124 PetriNetUnfolderBase]: 102/1146 cut-off events. [2025-02-06 09:32:51,710 INFO L125 PetriNetUnfolderBase]: For 91/92 co-relation queries the response was YES. [2025-02-06 09:32:51,713 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1495 conditions, 1146 events. 102/1146 cut-off events. For 91/92 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 5702 event pairs, 12 based on Foata normal form. 0/1071 useless extension candidates. Maximal degree in co-relation 1447. Up to 84 conditions per place. [2025-02-06 09:32:51,715 INFO L140 encePairwiseOnDemand]: 408/438 looper letters, 19 selfloop transitions, 26 changer transitions 0/365 dead transitions. [2025-02-06 09:32:51,716 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 371 places, 365 transitions, 903 flow [2025-02-06 09:32:51,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-02-06 09:32:51,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2025-02-06 09:32:51,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2317 transitions. [2025-02-06 09:32:51,720 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8816590563165906 [2025-02-06 09:32:51,720 INFO L175 Difference]: Start difference. First operand has 371 places, 366 transitions, 811 flow. Second operand 6 states and 2317 transitions. [2025-02-06 09:32:51,720 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 371 places, 365 transitions, 903 flow [2025-02-06 09:32:51,723 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 369 places, 365 transitions, 899 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-02-06 09:32:51,726 INFO L231 Difference]: Finished difference. Result has 369 places, 361 transitions, 849 flow [2025-02-06 09:32:51,726 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=438, PETRI_DIFFERENCE_MINUEND_FLOW=797, PETRI_DIFFERENCE_MINUEND_PLACES=364, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=361, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=26, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=335, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=849, PETRI_PLACES=369, PETRI_TRANSITIONS=361} [2025-02-06 09:32:51,727 INFO L279 CegarLoopForPetriNet]: 405 programPoint places, -36 predicate places. [2025-02-06 09:32:51,728 INFO L471 AbstractCegarLoop]: Abstraction has has 369 places, 361 transitions, 849 flow [2025-02-06 09:32:51,728 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 379.6666666666667) internal successors, (2278), 6 states have internal predecessors, (2278), 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) [2025-02-06 09:32:51,729 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-06 09:32:51,729 INFO L206 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] [2025-02-06 09:32:51,729 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2025-02-06 09:32:51,729 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting thread2Err28ASSERT_VIOLATIONDATA_RACE === [thread1Err7ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE, thread1Err5ASSERT_VIOLATIONDATA_RACE, thread1Err4ASSERT_VIOLATIONDATA_RACE (and 95 more)] === [2025-02-06 09:32:51,729 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 09:32:51,730 INFO L85 PathProgramCache]: Analyzing trace with hash 665984814, now seen corresponding path program 1 times [2025-02-06 09:32:51,730 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 09:32:51,730 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1087201908] [2025-02-06 09:32:51,730 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 09:32:51,730 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 09:32:51,741 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 125 statements into 1 equivalence classes. [2025-02-06 09:32:51,745 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 125 of 125 statements. [2025-02-06 09:32:51,745 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 09:32:51,745 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 09:32:51,767 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 09:32:51,767 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 09:32:51,767 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1087201908] [2025-02-06 09:32:51,768 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1087201908] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 09:32:51,768 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 09:32:51,768 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-06 09:32:51,768 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2094052428] [2025-02-06 09:32:51,768 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 09:32:51,768 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-06 09:32:51,768 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 09:32:51,769 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 09:32:51,769 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 09:32:51,835 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 395 out of 438 [2025-02-06 09:32:51,836 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 369 places, 361 transitions, 849 flow. Second operand has 3 states, 3 states have (on average 397.6666666666667) internal successors, (1193), 3 states have internal predecessors, (1193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 09:32:51,836 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-06 09:32:51,837 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 395 of 438 [2025-02-06 09:32:51,837 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-06 09:32:51,954 INFO L124 PetriNetUnfolderBase]: 89/1309 cut-off events. [2025-02-06 09:32:51,955 INFO L125 PetriNetUnfolderBase]: For 86/87 co-relation queries the response was YES. [2025-02-06 09:32:51,959 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1733 conditions, 1309 events. 89/1309 cut-off events. For 86/87 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 6381 event pairs, 50 based on Foata normal form. 0/1227 useless extension candidates. Maximal degree in co-relation 1687. Up to 170 conditions per place. [2025-02-06 09:32:51,963 INFO L140 encePairwiseOnDemand]: 435/438 looper letters, 25 selfloop transitions, 2 changer transitions 0/361 dead transitions. [2025-02-06 09:32:51,963 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 370 places, 361 transitions, 904 flow [2025-02-06 09:32:51,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 09:32:51,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-02-06 09:32:51,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1213 transitions. [2025-02-06 09:32:51,965 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9231354642313546 [2025-02-06 09:32:51,965 INFO L175 Difference]: Start difference. First operand has 369 places, 361 transitions, 849 flow. Second operand 3 states and 1213 transitions. [2025-02-06 09:32:51,965 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 370 places, 361 transitions, 904 flow [2025-02-06 09:32:51,968 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 365 places, 361 transitions, 852 flow, removed 0 selfloop flow, removed 5 redundant places. [2025-02-06 09:32:51,971 INFO L231 Difference]: Finished difference. Result has 365 places, 360 transitions, 799 flow [2025-02-06 09:32:51,971 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=438, PETRI_DIFFERENCE_MINUEND_FLOW=795, PETRI_DIFFERENCE_MINUEND_PLACES=363, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=360, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=358, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=799, PETRI_PLACES=365, PETRI_TRANSITIONS=360} [2025-02-06 09:32:51,972 INFO L279 CegarLoopForPetriNet]: 405 programPoint places, -40 predicate places. [2025-02-06 09:32:51,972 INFO L471 AbstractCegarLoop]: Abstraction has has 365 places, 360 transitions, 799 flow [2025-02-06 09:32:51,972 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 397.6666666666667) internal successors, (1193), 3 states have internal predecessors, (1193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 09:32:51,972 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-06 09:32:51,972 INFO L206 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] [2025-02-06 09:32:51,972 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2025-02-06 09:32:51,972 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting thread2Err21ASSERT_VIOLATIONDATA_RACE === [thread1Err7ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE, thread1Err5ASSERT_VIOLATIONDATA_RACE, thread1Err4ASSERT_VIOLATIONDATA_RACE (and 95 more)] === [2025-02-06 09:32:51,973 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 09:32:51,973 INFO L85 PathProgramCache]: Analyzing trace with hash -1047032510, now seen corresponding path program 1 times [2025-02-06 09:32:51,973 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 09:32:51,973 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1304495143] [2025-02-06 09:32:51,974 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 09:32:51,974 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 09:32:51,982 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 155 statements into 1 equivalence classes. [2025-02-06 09:32:51,987 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 155 of 155 statements. [2025-02-06 09:32:51,987 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 09:32:51,987 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 09:32:52,011 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 09:32:52,011 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 09:32:52,011 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1304495143] [2025-02-06 09:32:52,011 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1304495143] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 09:32:52,011 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 09:32:52,011 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-06 09:32:52,011 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1718452019] [2025-02-06 09:32:52,012 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 09:32:52,012 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-06 09:32:52,012 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 09:32:52,012 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 09:32:52,012 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 09:32:52,085 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 395 out of 438 [2025-02-06 09:32:52,086 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 365 places, 360 transitions, 799 flow. Second operand has 3 states, 3 states have (on average 398.6666666666667) internal successors, (1196), 3 states have internal predecessors, (1196), 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) [2025-02-06 09:32:52,086 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-06 09:32:52,086 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 395 of 438 [2025-02-06 09:32:52,086 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-06 09:32:52,226 INFO L124 PetriNetUnfolderBase]: 88/1272 cut-off events. [2025-02-06 09:32:52,226 INFO L125 PetriNetUnfolderBase]: For 79/80 co-relation queries the response was YES. [2025-02-06 09:32:52,230 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1561 conditions, 1272 events. 88/1272 cut-off events. For 79/80 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 6154 event pairs, 50 based on Foata normal form. 0/1196 useless extension candidates. Maximal degree in co-relation 1515. Up to 170 conditions per place. [2025-02-06 09:32:52,232 INFO L140 encePairwiseOnDemand]: 435/438 looper letters, 25 selfloop transitions, 2 changer transitions 0/360 dead transitions. [2025-02-06 09:32:52,232 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 366 places, 360 transitions, 854 flow [2025-02-06 09:32:52,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 09:32:52,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-02-06 09:32:52,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1213 transitions. [2025-02-06 09:32:52,235 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9231354642313546 [2025-02-06 09:32:52,235 INFO L175 Difference]: Start difference. First operand has 365 places, 360 transitions, 799 flow. Second operand 3 states and 1213 transitions. [2025-02-06 09:32:52,235 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 366 places, 360 transitions, 854 flow [2025-02-06 09:32:52,236 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 364 places, 360 transitions, 850 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-02-06 09:32:52,238 INFO L231 Difference]: Finished difference. Result has 364 places, 359 transitions, 797 flow [2025-02-06 09:32:52,239 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=438, PETRI_DIFFERENCE_MINUEND_FLOW=793, PETRI_DIFFERENCE_MINUEND_PLACES=362, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=359, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=357, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=797, PETRI_PLACES=364, PETRI_TRANSITIONS=359} [2025-02-06 09:32:52,239 INFO L279 CegarLoopForPetriNet]: 405 programPoint places, -41 predicate places. [2025-02-06 09:32:52,239 INFO L471 AbstractCegarLoop]: Abstraction has has 364 places, 359 transitions, 797 flow [2025-02-06 09:32:52,240 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 398.6666666666667) internal successors, (1196), 3 states have internal predecessors, (1196), 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) [2025-02-06 09:32:52,240 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-06 09:32:52,240 INFO L206 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] [2025-02-06 09:32:52,240 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2025-02-06 09:32:52,240 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting thread2Err14ASSERT_VIOLATIONDATA_RACE === [thread1Err7ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE, thread1Err5ASSERT_VIOLATIONDATA_RACE, thread1Err4ASSERT_VIOLATIONDATA_RACE (and 95 more)] === [2025-02-06 09:32:52,241 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 09:32:52,241 INFO L85 PathProgramCache]: Analyzing trace with hash 72699062, now seen corresponding path program 1 times [2025-02-06 09:32:52,241 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 09:32:52,241 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1344232060] [2025-02-06 09:32:52,241 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 09:32:52,241 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 09:32:52,251 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 185 statements into 1 equivalence classes. [2025-02-06 09:32:52,256 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 185 of 185 statements. [2025-02-06 09:32:52,256 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 09:32:52,256 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 09:32:52,281 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 09:32:52,281 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 09:32:52,281 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1344232060] [2025-02-06 09:32:52,281 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1344232060] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 09:32:52,282 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 09:32:52,282 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-06 09:32:52,282 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [440334683] [2025-02-06 09:32:52,282 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 09:32:52,282 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-06 09:32:52,282 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 09:32:52,283 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 09:32:52,283 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 09:32:52,350 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 395 out of 438 [2025-02-06 09:32:52,351 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 364 places, 359 transitions, 797 flow. Second operand has 3 states, 3 states have (on average 399.6666666666667) internal successors, (1199), 3 states have internal predecessors, (1199), 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) [2025-02-06 09:32:52,351 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-06 09:32:52,351 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 395 of 438 [2025-02-06 09:32:52,351 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-06 09:32:52,463 INFO L124 PetriNetUnfolderBase]: 87/1234 cut-off events. [2025-02-06 09:32:52,464 INFO L125 PetriNetUnfolderBase]: For 78/79 co-relation queries the response was YES. [2025-02-06 09:32:52,468 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1522 conditions, 1234 events. 87/1234 cut-off events. For 78/79 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 5834 event pairs, 50 based on Foata normal form. 0/1164 useless extension candidates. Maximal degree in co-relation 1476. Up to 170 conditions per place. [2025-02-06 09:32:52,482 INFO L140 encePairwiseOnDemand]: 435/438 looper letters, 25 selfloop transitions, 2 changer transitions 0/359 dead transitions. [2025-02-06 09:32:52,483 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 365 places, 359 transitions, 852 flow [2025-02-06 09:32:52,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 09:32:52,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-02-06 09:32:52,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1213 transitions. [2025-02-06 09:32:52,485 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9231354642313546 [2025-02-06 09:32:52,485 INFO L175 Difference]: Start difference. First operand has 364 places, 359 transitions, 797 flow. Second operand 3 states and 1213 transitions. [2025-02-06 09:32:52,485 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 365 places, 359 transitions, 852 flow [2025-02-06 09:32:52,487 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 363 places, 359 transitions, 848 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-02-06 09:32:52,489 INFO L231 Difference]: Finished difference. Result has 363 places, 358 transitions, 795 flow [2025-02-06 09:32:52,490 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=438, PETRI_DIFFERENCE_MINUEND_FLOW=791, PETRI_DIFFERENCE_MINUEND_PLACES=361, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=358, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=356, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=795, PETRI_PLACES=363, PETRI_TRANSITIONS=358} [2025-02-06 09:32:52,490 INFO L279 CegarLoopForPetriNet]: 405 programPoint places, -42 predicate places. [2025-02-06 09:32:52,490 INFO L471 AbstractCegarLoop]: Abstraction has has 363 places, 358 transitions, 795 flow [2025-02-06 09:32:52,492 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 399.6666666666667) internal successors, (1199), 3 states have internal predecessors, (1199), 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) [2025-02-06 09:32:52,492 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-06 09:32:52,492 INFO L206 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] [2025-02-06 09:32:52,492 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2025-02-06 09:32:52,492 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting thread2Err7ASSERT_VIOLATIONDATA_RACE === [thread1Err7ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE, thread1Err5ASSERT_VIOLATIONDATA_RACE, thread1Err4ASSERT_VIOLATIONDATA_RACE (and 95 more)] === [2025-02-06 09:32:52,493 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 09:32:52,493 INFO L85 PathProgramCache]: Analyzing trace with hash 1687336330, now seen corresponding path program 1 times [2025-02-06 09:32:52,493 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 09:32:52,493 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [401643905] [2025-02-06 09:32:52,493 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 09:32:52,494 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 09:32:52,506 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 215 statements into 1 equivalence classes. [2025-02-06 09:32:52,513 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 215 of 215 statements. [2025-02-06 09:32:52,514 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 09:32:52,514 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 09:32:52,558 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 09:32:52,558 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 09:32:52,558 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [401643905] [2025-02-06 09:32:52,558 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [401643905] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 09:32:52,558 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 09:32:52,558 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-06 09:32:52,559 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [201655654] [2025-02-06 09:32:52,559 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 09:32:52,559 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-06 09:32:52,559 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 09:32:52,559 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 09:32:52,559 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 09:32:52,627 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 395 out of 438 [2025-02-06 09:32:52,628 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 363 places, 358 transitions, 795 flow. Second operand has 3 states, 3 states have (on average 400.6666666666667) internal successors, (1202), 3 states have internal predecessors, (1202), 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) [2025-02-06 09:32:52,628 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-06 09:32:52,628 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 395 of 438 [2025-02-06 09:32:52,628 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-06 09:32:52,726 INFO L124 PetriNetUnfolderBase]: 86/1196 cut-off events. [2025-02-06 09:32:52,726 INFO L125 PetriNetUnfolderBase]: For 78/79 co-relation queries the response was YES. [2025-02-06 09:32:52,730 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1484 conditions, 1196 events. 86/1196 cut-off events. For 78/79 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 5622 event pairs, 50 based on Foata normal form. 0/1132 useless extension candidates. Maximal degree in co-relation 1438. Up to 170 conditions per place. [2025-02-06 09:32:52,732 INFO L140 encePairwiseOnDemand]: 435/438 looper letters, 25 selfloop transitions, 2 changer transitions 0/358 dead transitions. [2025-02-06 09:32:52,732 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 364 places, 358 transitions, 850 flow [2025-02-06 09:32:52,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 09:32:52,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-02-06 09:32:52,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1213 transitions. [2025-02-06 09:32:52,734 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9231354642313546 [2025-02-06 09:32:52,734 INFO L175 Difference]: Start difference. First operand has 363 places, 358 transitions, 795 flow. Second operand 3 states and 1213 transitions. [2025-02-06 09:32:52,734 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 364 places, 358 transitions, 850 flow [2025-02-06 09:32:52,736 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 362 places, 358 transitions, 846 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-02-06 09:32:52,738 INFO L231 Difference]: Finished difference. Result has 362 places, 357 transitions, 793 flow [2025-02-06 09:32:52,738 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=438, PETRI_DIFFERENCE_MINUEND_FLOW=789, PETRI_DIFFERENCE_MINUEND_PLACES=360, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=357, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=355, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=793, PETRI_PLACES=362, PETRI_TRANSITIONS=357} [2025-02-06 09:32:52,738 INFO L279 CegarLoopForPetriNet]: 405 programPoint places, -43 predicate places. [2025-02-06 09:32:52,738 INFO L471 AbstractCegarLoop]: Abstraction has has 362 places, 357 transitions, 793 flow [2025-02-06 09:32:52,739 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 400.6666666666667) internal successors, (1202), 3 states have internal predecessors, (1202), 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) [2025-02-06 09:32:52,739 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-06 09:32:52,739 INFO L206 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] [2025-02-06 09:32:52,739 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2025-02-06 09:32:52,739 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting thread2Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err7ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE, thread1Err5ASSERT_VIOLATIONDATA_RACE, thread1Err4ASSERT_VIOLATIONDATA_RACE (and 95 more)] === [2025-02-06 09:32:52,740 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 09:32:52,740 INFO L85 PathProgramCache]: Analyzing trace with hash -41082946, now seen corresponding path program 1 times [2025-02-06 09:32:52,740 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 09:32:52,740 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2064121890] [2025-02-06 09:32:52,740 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 09:32:52,740 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 09:32:52,752 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 245 statements into 1 equivalence classes. [2025-02-06 09:32:52,758 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 245 of 245 statements. [2025-02-06 09:32:52,758 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 09:32:52,758 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 09:32:52,794 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 09:32:52,794 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 09:32:52,795 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2064121890] [2025-02-06 09:32:52,795 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2064121890] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 09:32:52,795 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 09:32:52,795 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-06 09:32:52,795 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [15921242] [2025-02-06 09:32:52,795 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 09:32:52,795 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-06 09:32:52,796 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 09:32:52,796 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 09:32:52,796 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 09:32:52,857 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 395 out of 438 [2025-02-06 09:32:52,858 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 362 places, 357 transitions, 793 flow. Second operand has 3 states, 3 states have (on average 401.6666666666667) internal successors, (1205), 3 states have internal predecessors, (1205), 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) [2025-02-06 09:32:52,858 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-06 09:32:52,858 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 395 of 438 [2025-02-06 09:32:52,858 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-06 09:32:52,955 INFO L124 PetriNetUnfolderBase]: 85/1158 cut-off events. [2025-02-06 09:32:52,955 INFO L125 PetriNetUnfolderBase]: For 78/79 co-relation queries the response was YES. [2025-02-06 09:32:52,959 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1446 conditions, 1158 events. 85/1158 cut-off events. For 78/79 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 5406 event pairs, 50 based on Foata normal form. 0/1100 useless extension candidates. Maximal degree in co-relation 1400. Up to 170 conditions per place. [2025-02-06 09:32:52,959 INFO L140 encePairwiseOnDemand]: 435/438 looper letters, 0 selfloop transitions, 0 changer transitions 357/357 dead transitions. [2025-02-06 09:32:52,960 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 363 places, 357 transitions, 848 flow [2025-02-06 09:32:52,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 09:32:52,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-02-06 09:32:52,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1213 transitions. [2025-02-06 09:32:52,962 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9231354642313546 [2025-02-06 09:32:52,962 INFO L175 Difference]: Start difference. First operand has 362 places, 357 transitions, 793 flow. Second operand 3 states and 1213 transitions. [2025-02-06 09:32:52,962 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 363 places, 357 transitions, 848 flow [2025-02-06 09:32:52,963 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 361 places, 357 transitions, 844 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-02-06 09:32:52,965 INFO L231 Difference]: Finished difference. Result has 361 places, 0 transitions, 0 flow [2025-02-06 09:32:52,965 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=438, PETRI_DIFFERENCE_MINUEND_FLOW=787, PETRI_DIFFERENCE_MINUEND_PLACES=359, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=356, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=356, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=361, PETRI_TRANSITIONS=0} [2025-02-06 09:32:52,965 INFO L279 CegarLoopForPetriNet]: 405 programPoint places, -44 predicate places. [2025-02-06 09:32:52,965 INFO L471 AbstractCegarLoop]: Abstraction has has 361 places, 0 transitions, 0 flow [2025-02-06 09:32:52,966 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 401.6666666666667) internal successors, (1205), 3 states have internal predecessors, (1205), 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) [2025-02-06 09:32:52,967 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (98 of 99 remaining) [2025-02-06 09:32:52,968 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (97 of 99 remaining) [2025-02-06 09:32:52,968 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (96 of 99 remaining) [2025-02-06 09:32:52,968 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (95 of 99 remaining) [2025-02-06 09:32:52,968 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (94 of 99 remaining) [2025-02-06 09:32:52,968 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (93 of 99 remaining) [2025-02-06 09:32:52,968 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (92 of 99 remaining) [2025-02-06 09:32:52,968 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (91 of 99 remaining) [2025-02-06 09:32:52,968 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err35ASSERT_VIOLATIONDATA_RACE (90 of 99 remaining) [2025-02-06 09:32:52,968 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err34ASSERT_VIOLATIONDATA_RACE (89 of 99 remaining) [2025-02-06 09:32:52,968 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err33ASSERT_VIOLATIONDATA_RACE (88 of 99 remaining) [2025-02-06 09:32:52,968 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err32ASSERT_VIOLATIONDATA_RACE (87 of 99 remaining) [2025-02-06 09:32:52,968 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err31ASSERT_VIOLATIONDATA_RACE (86 of 99 remaining) [2025-02-06 09:32:52,968 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err30ASSERT_VIOLATIONDATA_RACE (85 of 99 remaining) [2025-02-06 09:32:52,968 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err29ASSERT_VIOLATIONDATA_RACE (84 of 99 remaining) [2025-02-06 09:32:52,968 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err28ASSERT_VIOLATIONDATA_RACE (83 of 99 remaining) [2025-02-06 09:32:52,968 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err27ASSERT_VIOLATIONDATA_RACE (82 of 99 remaining) [2025-02-06 09:32:52,968 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err26ASSERT_VIOLATIONDATA_RACE (81 of 99 remaining) [2025-02-06 09:32:52,968 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err25ASSERT_VIOLATIONDATA_RACE (80 of 99 remaining) [2025-02-06 09:32:52,968 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err24ASSERT_VIOLATIONDATA_RACE (79 of 99 remaining) [2025-02-06 09:32:52,968 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err23ASSERT_VIOLATIONDATA_RACE (78 of 99 remaining) [2025-02-06 09:32:52,968 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err22ASSERT_VIOLATIONDATA_RACE (77 of 99 remaining) [2025-02-06 09:32:52,968 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err21ASSERT_VIOLATIONDATA_RACE (76 of 99 remaining) [2025-02-06 09:32:52,968 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err20ASSERT_VIOLATIONDATA_RACE (75 of 99 remaining) [2025-02-06 09:32:52,968 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err19ASSERT_VIOLATIONDATA_RACE (74 of 99 remaining) [2025-02-06 09:32:52,968 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err18ASSERT_VIOLATIONDATA_RACE (73 of 99 remaining) [2025-02-06 09:32:52,968 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err17ASSERT_VIOLATIONDATA_RACE (72 of 99 remaining) [2025-02-06 09:32:52,968 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err16ASSERT_VIOLATIONDATA_RACE (71 of 99 remaining) [2025-02-06 09:32:52,968 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err15ASSERT_VIOLATIONDATA_RACE (70 of 99 remaining) [2025-02-06 09:32:52,968 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err14ASSERT_VIOLATIONDATA_RACE (69 of 99 remaining) [2025-02-06 09:32:52,969 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err13ASSERT_VIOLATIONDATA_RACE (68 of 99 remaining) [2025-02-06 09:32:52,969 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err12ASSERT_VIOLATIONDATA_RACE (67 of 99 remaining) [2025-02-06 09:32:52,969 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (66 of 99 remaining) [2025-02-06 09:32:52,969 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (65 of 99 remaining) [2025-02-06 09:32:52,969 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (64 of 99 remaining) [2025-02-06 09:32:52,969 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (63 of 99 remaining) [2025-02-06 09:32:52,969 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (62 of 99 remaining) [2025-02-06 09:32:52,969 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (61 of 99 remaining) [2025-02-06 09:32:52,969 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (60 of 99 remaining) [2025-02-06 09:32:52,969 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (59 of 99 remaining) [2025-02-06 09:32:52,969 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (58 of 99 remaining) [2025-02-06 09:32:52,969 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (57 of 99 remaining) [2025-02-06 09:32:52,969 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (56 of 99 remaining) [2025-02-06 09:32:52,969 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (55 of 99 remaining) [2025-02-06 09:32:52,969 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (54 of 99 remaining) [2025-02-06 09:32:52,969 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (53 of 99 remaining) [2025-02-06 09:32:52,969 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (52 of 99 remaining) [2025-02-06 09:32:52,969 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (51 of 99 remaining) [2025-02-06 09:32:52,969 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (50 of 99 remaining) [2025-02-06 09:32:52,969 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (49 of 99 remaining) [2025-02-06 09:32:52,969 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (48 of 99 remaining) [2025-02-06 09:32:52,969 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (47 of 99 remaining) [2025-02-06 09:32:52,969 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (46 of 99 remaining) [2025-02-06 09:32:52,969 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (45 of 99 remaining) [2025-02-06 09:32:52,970 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (44 of 99 remaining) [2025-02-06 09:32:52,970 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (43 of 99 remaining) [2025-02-06 09:32:52,970 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (42 of 99 remaining) [2025-02-06 09:32:52,970 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (41 of 99 remaining) [2025-02-06 09:32:52,970 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (40 of 99 remaining) [2025-02-06 09:32:52,970 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (39 of 99 remaining) [2025-02-06 09:32:52,970 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (38 of 99 remaining) [2025-02-06 09:32:52,970 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (37 of 99 remaining) [2025-02-06 09:32:52,970 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (36 of 99 remaining) [2025-02-06 09:32:52,970 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err35ASSERT_VIOLATIONDATA_RACE (35 of 99 remaining) [2025-02-06 09:32:52,970 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err34ASSERT_VIOLATIONDATA_RACE (34 of 99 remaining) [2025-02-06 09:32:52,971 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err33ASSERT_VIOLATIONDATA_RACE (33 of 99 remaining) [2025-02-06 09:32:52,971 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err32ASSERT_VIOLATIONDATA_RACE (32 of 99 remaining) [2025-02-06 09:32:52,971 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err31ASSERT_VIOLATIONDATA_RACE (31 of 99 remaining) [2025-02-06 09:32:52,971 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err30ASSERT_VIOLATIONDATA_RACE (30 of 99 remaining) [2025-02-06 09:32:52,971 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err29ASSERT_VIOLATIONDATA_RACE (29 of 99 remaining) [2025-02-06 09:32:52,971 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err28ASSERT_VIOLATIONDATA_RACE (28 of 99 remaining) [2025-02-06 09:32:52,971 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err27ASSERT_VIOLATIONDATA_RACE (27 of 99 remaining) [2025-02-06 09:32:52,971 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err26ASSERT_VIOLATIONDATA_RACE (26 of 99 remaining) [2025-02-06 09:32:52,971 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err25ASSERT_VIOLATIONDATA_RACE (25 of 99 remaining) [2025-02-06 09:32:52,971 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err24ASSERT_VIOLATIONDATA_RACE (24 of 99 remaining) [2025-02-06 09:32:52,971 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err23ASSERT_VIOLATIONDATA_RACE (23 of 99 remaining) [2025-02-06 09:32:52,971 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err22ASSERT_VIOLATIONDATA_RACE (22 of 99 remaining) [2025-02-06 09:32:52,971 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err21ASSERT_VIOLATIONDATA_RACE (21 of 99 remaining) [2025-02-06 09:32:52,971 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err20ASSERT_VIOLATIONDATA_RACE (20 of 99 remaining) [2025-02-06 09:32:52,971 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err19ASSERT_VIOLATIONDATA_RACE (19 of 99 remaining) [2025-02-06 09:32:52,972 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err18ASSERT_VIOLATIONDATA_RACE (18 of 99 remaining) [2025-02-06 09:32:52,972 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err17ASSERT_VIOLATIONDATA_RACE (17 of 99 remaining) [2025-02-06 09:32:52,972 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err16ASSERT_VIOLATIONDATA_RACE (16 of 99 remaining) [2025-02-06 09:32:52,972 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err15ASSERT_VIOLATIONDATA_RACE (15 of 99 remaining) [2025-02-06 09:32:52,972 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err14ASSERT_VIOLATIONDATA_RACE (14 of 99 remaining) [2025-02-06 09:32:52,972 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err13ASSERT_VIOLATIONDATA_RACE (13 of 99 remaining) [2025-02-06 09:32:52,972 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err12ASSERT_VIOLATIONDATA_RACE (12 of 99 remaining) [2025-02-06 09:32:52,972 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (11 of 99 remaining) [2025-02-06 09:32:52,972 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (10 of 99 remaining) [2025-02-06 09:32:52,972 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (9 of 99 remaining) [2025-02-06 09:32:52,972 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (8 of 99 remaining) [2025-02-06 09:32:52,972 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (7 of 99 remaining) [2025-02-06 09:32:52,972 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (6 of 99 remaining) [2025-02-06 09:32:52,972 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (5 of 99 remaining) [2025-02-06 09:32:52,972 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (4 of 99 remaining) [2025-02-06 09:32:52,972 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (3 of 99 remaining) [2025-02-06 09:32:52,972 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (2 of 99 remaining) [2025-02-06 09:32:52,972 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (1 of 99 remaining) [2025-02-06 09:32:52,972 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (0 of 99 remaining) [2025-02-06 09:32:52,973 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2025-02-06 09:32:52,973 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 09:32:52,977 INFO L241 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2025-02-06 09:32:52,977 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-02-06 09:32:52,981 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.02 09:32:52 BasicIcfg [2025-02-06 09:32:52,981 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-02-06 09:32:52,981 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-02-06 09:32:52,981 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-02-06 09:32:52,982 INFO L274 PluginConnector]: Witness Printer initialized [2025-02-06 09:32:52,982 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 09:32:46" (3/4) ... [2025-02-06 09:32:52,983 INFO L146 WitnessPrinter]: Generating witness for correct program [2025-02-06 09:32:52,985 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure thread1 [2025-02-06 09:32:52,985 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure thread2 [2025-02-06 09:32:52,988 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 18 nodes and edges [2025-02-06 09:32:52,988 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2025-02-06 09:32:52,988 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2025-02-06 09:32:52,988 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2025-02-06 09:32:53,046 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-02-06 09:32:53,046 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.yml [2025-02-06 09:32:53,046 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-02-06 09:32:53,047 INFO L158 Benchmark]: Toolchain (without parser) took 7148.67ms. Allocated memory was 201.3MB in the beginning and 302.0MB in the end (delta: 100.7MB). Free memory was 155.1MB in the beginning and 195.6MB in the end (delta: -40.5MB). Peak memory consumption was 56.2MB. Max. memory is 16.1GB. [2025-02-06 09:32:53,047 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 201.3MB. Free memory is still 118.4MB. There was no memory consumed. Max. memory is 16.1GB. [2025-02-06 09:32:53,047 INFO L158 Benchmark]: CACSL2BoogieTranslator took 236.97ms. Allocated memory is still 201.3MB. Free memory was 154.7MB in the beginning and 141.9MB in the end (delta: 12.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-06 09:32:53,048 INFO L158 Benchmark]: Boogie Procedure Inliner took 49.60ms. Allocated memory is still 201.3MB. Free memory was 141.9MB in the beginning and 139.0MB in the end (delta: 2.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-06 09:32:53,048 INFO L158 Benchmark]: Boogie Preprocessor took 24.80ms. Allocated memory is still 201.3MB. Free memory was 139.0MB in the beginning and 137.4MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-06 09:32:53,048 INFO L158 Benchmark]: IcfgBuilder took 564.68ms. Allocated memory is still 201.3MB. Free memory was 137.4MB in the beginning and 105.0MB in the end (delta: 32.3MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2025-02-06 09:32:53,048 INFO L158 Benchmark]: TraceAbstraction took 6203.10ms. Allocated memory was 201.3MB in the beginning and 302.0MB in the end (delta: 100.7MB). Free memory was 104.6MB in the beginning and 204.0MB in the end (delta: -99.3MB). Peak memory consumption was 115.3MB. Max. memory is 16.1GB. [2025-02-06 09:32:53,049 INFO L158 Benchmark]: Witness Printer took 64.74ms. Allocated memory is still 302.0MB. Free memory was 204.0MB in the beginning and 195.6MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-06 09:32:53,049 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 201.3MB. Free memory is still 118.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 236.97ms. Allocated memory is still 201.3MB. Free memory was 154.7MB in the beginning and 141.9MB in the end (delta: 12.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 49.60ms. Allocated memory is still 201.3MB. Free memory was 141.9MB in the beginning and 139.0MB in the end (delta: 2.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 24.80ms. Allocated memory is still 201.3MB. Free memory was 139.0MB in the beginning and 137.4MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * IcfgBuilder took 564.68ms. Allocated memory is still 201.3MB. Free memory was 137.4MB in the beginning and 105.0MB in the end (delta: 32.3MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * TraceAbstraction took 6203.10ms. Allocated memory was 201.3MB in the beginning and 302.0MB in the end (delta: 100.7MB). Free memory was 104.6MB in the beginning and 204.0MB in the end (delta: -99.3MB). Peak memory consumption was 115.3MB. Max. memory is 16.1GB. * Witness Printer took 64.74ms. Allocated memory is still 302.0MB. Free memory was 204.0MB in the beginning and 195.6MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 59]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 60]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 60]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 60]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 61]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 61]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 61]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 61]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 63]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 63]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 63]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 66]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 66]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 66]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 69]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 69]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 69]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 70]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 70]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 70]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 70]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 72]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 72]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 72]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 73]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 73]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 73]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 73]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 83]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 84]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 85]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 86]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 108]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 86]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 88]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 96]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 96]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 695 locations, 99 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 6.1s, OverallIterations: 19, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 3.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1726 SdHoareTripleChecker+Valid, 1.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 734 mSDsluCounter, 117 SdHoareTripleChecker+Invalid, 1.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 22 mSDsCounter, 297 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1871 IncrementalHoareTripleChecker+Invalid, 2168 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 297 mSolverCounterUnsat, 95 mSDtfsCounter, 1871 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 56 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=850occurred in iteration=0, InterpolantAutomatonStates: 70, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.6s InterpolantComputationTime, 2090 NumberOfCodeBlocks, 2090 NumberOfCodeBlocksAsserted, 19 NumberOfCheckSat, 2071 ConstructedInterpolants, 0 QuantifiedInterpolants, 2790 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 19 InterpolantComputations, 19 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 53 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2025-02-06 09:32:53,064 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE