./Ultimate.py --spec ../sv-benchmarks/c/properties/no-data-race.prp --file ../sv-benchmarks/c/weaver/popl20-send-receive.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 798a7b37 Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/weaver/popl20-send-receive.wvr.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 4eda2bf92bccdcc8638b67653fb7fdefc015ff9c815b317ad1009deb61d04585 --- Real Ultimate output --- This is Ultimate 0.3.0-?-798a7b3-m [2025-03-04 06:56:00,795 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-04 06:56:00,842 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2025-03-04 06:56:00,846 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-04 06:56:00,846 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-04 06:56:00,864 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-04 06:56:00,865 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-04 06:56:00,865 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-04 06:56:00,865 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-04 06:56:00,865 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-04 06:56:00,865 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-04 06:56:00,865 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-04 06:56:00,865 INFO L153 SettingsManager]: * Use SBE=true [2025-03-04 06:56:00,865 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-04 06:56:00,865 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-04 06:56:00,865 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-04 06:56:00,866 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-04 06:56:00,866 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-04 06:56:00,866 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-04 06:56:00,866 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-04 06:56:00,866 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-04 06:56:00,866 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-04 06:56:00,866 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2025-03-04 06:56:00,866 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-03-04 06:56:00,866 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-04 06:56:00,866 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-04 06:56:00,866 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-04 06:56:00,866 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-04 06:56:00,866 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-04 06:56:00,866 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-04 06:56:00,868 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-04 06:56:00,868 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-04 06:56:00,868 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-04 06:56:00,868 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-04 06:56:00,868 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-04 06:56:00,868 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-04 06:56:00,868 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-04 06:56:00,868 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-04 06:56:00,868 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-04 06:56:00,868 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-04 06:56:00,868 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-04 06:56:00,868 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-04 06:56:00,868 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/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 -> 4eda2bf92bccdcc8638b67653fb7fdefc015ff9c815b317ad1009deb61d04585 [2025-03-04 06:56:01,084 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-04 06:56:01,092 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-04 06:56:01,094 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-04 06:56:01,095 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-04 06:56:01,095 INFO L274 PluginConnector]: CDTParser initialized [2025-03-04 06:56:01,096 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/weaver/popl20-send-receive.wvr.c [2025-03-04 06:56:02,288 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9a2386c60/ee9cc509474247c88df44b92b42f341b/FLAG05c25ac0e [2025-03-04 06:56:02,503 INFO L384 CDTParser]: Found 1 translation units. [2025-03-04 06:56:02,504 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/popl20-send-receive.wvr.c [2025-03-04 06:56:02,512 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9a2386c60/ee9cc509474247c88df44b92b42f341b/FLAG05c25ac0e [2025-03-04 06:56:02,540 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9a2386c60/ee9cc509474247c88df44b92b42f341b [2025-03-04 06:56:02,543 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-04 06:56:02,544 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-04 06:56:02,546 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-04 06:56:02,547 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-04 06:56:02,550 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-04 06:56:02,551 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.03 06:56:02" (1/1) ... [2025-03-04 06:56:02,552 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@19211522 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 06:56:02, skipping insertion in model container [2025-03-04 06:56:02,552 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.03 06:56:02" (1/1) ... [2025-03-04 06:56:02,567 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-04 06:56:02,727 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-04 06:56:02,734 INFO L200 MainTranslator]: Completed pre-run [2025-03-04 06:56:02,760 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-04 06:56:02,773 INFO L204 MainTranslator]: Completed translation [2025-03-04 06:56:02,774 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 06:56:02 WrapperNode [2025-03-04 06:56:02,774 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-04 06:56:02,775 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-04 06:56:02,775 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-04 06:56:02,775 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-04 06:56:02,779 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 06:56:02" (1/1) ... [2025-03-04 06:56:02,784 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 06:56:02" (1/1) ... [2025-03-04 06:56:02,803 INFO L138 Inliner]: procedures = 24, calls = 38, calls flagged for inlining = 10, calls inlined = 10, statements flattened = 259 [2025-03-04 06:56:02,804 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-04 06:56:02,804 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-04 06:56:02,804 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-04 06:56:02,804 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-04 06:56:02,809 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 06:56:02" (1/1) ... [2025-03-04 06:56:02,810 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 06:56:02" (1/1) ... [2025-03-04 06:56:02,812 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 06:56:02" (1/1) ... [2025-03-04 06:56:02,812 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 06:56:02" (1/1) ... [2025-03-04 06:56:02,818 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 06:56:02" (1/1) ... [2025-03-04 06:56:02,819 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 06:56:02" (1/1) ... [2025-03-04 06:56:02,820 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 06:56:02" (1/1) ... [2025-03-04 06:56:02,821 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 06:56:02" (1/1) ... [2025-03-04 06:56:02,822 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-04 06:56:02,823 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-04 06:56:02,823 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-04 06:56:02,823 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-04 06:56:02,824 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 06:56:02" (1/1) ... [2025-03-04 06:56:02,830 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-04 06:56:02,840 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 06:56:02,852 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-03-04 06:56:02,854 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-03-04 06:56:02,871 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-04 06:56:02,871 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2025-03-04 06:56:02,871 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2025-03-04 06:56:02,871 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2025-03-04 06:56:02,871 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2025-03-04 06:56:02,871 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2025-03-04 06:56:02,871 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2025-03-04 06:56:02,871 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2025-03-04 06:56:02,871 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2025-03-04 06:56:02,871 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2025-03-04 06:56:02,871 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2025-03-04 06:56:02,871 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-03-04 06:56:02,871 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-04 06:56:02,871 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-04 06:56:02,871 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2025-03-04 06:56:02,872 WARN L225 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2025-03-04 06:56:02,955 INFO L256 CfgBuilder]: Building ICFG [2025-03-04 06:56:02,957 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-04 06:56:03,327 INFO L303 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-03-04 06:56:03,327 INFO L307 CfgBuilder]: Performing block encoding [2025-03-04 06:56:03,515 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-04 06:56:03,515 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-04 06:56:03,515 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 04.03 06:56:03 BoogieIcfgContainer [2025-03-04 06:56:03,516 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-04 06:56:03,517 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-04 06:56:03,517 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-04 06:56:03,521 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-04 06:56:03,521 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.03 06:56:02" (1/3) ... [2025-03-04 06:56:03,522 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3911d0f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.03 06:56:03, skipping insertion in model container [2025-03-04 06:56:03,522 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 06:56:02" (2/3) ... [2025-03-04 06:56:03,522 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3911d0f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.03 06:56:03, skipping insertion in model container [2025-03-04 06:56:03,523 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 04.03 06:56:03" (3/3) ... [2025-03-04 06:56:03,524 INFO L128 eAbstractionObserver]: Analyzing ICFG popl20-send-receive.wvr.c [2025-03-04 06:56:03,549 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-04 06:56:03,550 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG popl20-send-receive.wvr.c that has 4 procedures, 207 locations, 1 initial locations, 3 loop locations, and 40 error locations. [2025-03-04 06:56:03,550 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-03-04 06:56:03,620 INFO L143 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2025-03-04 06:56:03,651 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 216 places, 214 transitions, 449 flow [2025-03-04 06:56:03,711 INFO L124 PetriNetUnfolderBase]: 8/211 cut-off events. [2025-03-04 06:56:03,715 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2025-03-04 06:56:03,720 INFO L83 FinitePrefix]: Finished finitePrefix Result has 224 conditions, 211 events. 8/211 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 339 event pairs, 0 based on Foata normal form. 0/163 useless extension candidates. Maximal degree in co-relation 194. Up to 2 conditions per place. [2025-03-04 06:56:03,720 INFO L82 GeneralOperation]: Start removeDead. Operand has 216 places, 214 transitions, 449 flow [2025-03-04 06:56:03,725 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 204 places, 202 transitions, 419 flow [2025-03-04 06:56:03,733 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-04 06:56:03,750 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;@3abb5741, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-04 06:56:03,750 INFO L334 AbstractCegarLoop]: Starting to check reachability of 75 error locations. [2025-03-04 06:56:03,754 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2025-03-04 06:56:03,754 INFO L124 PetriNetUnfolderBase]: 0/23 cut-off events. [2025-03-04 06:56:03,754 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-03-04 06:56:03,754 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-04 06:56:03,755 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] [2025-03-04 06:56:03,755 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [thread1Err13ASSERT_VIOLATIONDATA_RACE, thread1Err12ASSERT_VIOLATIONDATA_RACE, thread1Err11ASSERT_VIOLATIONDATA_RACE, thread1Err10ASSERT_VIOLATIONDATA_RACE (and 71 more)] === [2025-03-04 06:56:03,760 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 06:56:03,760 INFO L85 PathProgramCache]: Analyzing trace with hash 1968000678, now seen corresponding path program 1 times [2025-03-04 06:56:03,768 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 06:56:03,768 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1243821254] [2025-03-04 06:56:03,769 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 06:56:03,769 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 06:56:03,825 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 23 statements into 1 equivalence classes. [2025-03-04 06:56:03,834 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 23 of 23 statements. [2025-03-04 06:56:03,834 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 06:56:03,835 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 06:56:03,895 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 06:56:03,898 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 06:56:03,898 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1243821254] [2025-03-04 06:56:03,899 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1243821254] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 06:56:03,899 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 06:56:03,899 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-04 06:56:03,900 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [815387761] [2025-03-04 06:56:03,900 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 06:56:03,905 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-04 06:56:03,907 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 06:56:03,923 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-04 06:56:03,924 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-04 06:56:03,948 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 158 out of 214 [2025-03-04 06:56:03,952 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 204 places, 202 transitions, 419 flow. Second operand has 3 states, 3 states have (on average 159.33333333333334) internal successors, (478), 3 states have internal predecessors, (478), 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) [2025-03-04 06:56:03,953 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-04 06:56:03,953 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 158 of 214 [2025-03-04 06:56:03,953 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-04 06:56:04,104 INFO L124 PetriNetUnfolderBase]: 98/532 cut-off events. [2025-03-04 06:56:04,105 INFO L125 PetriNetUnfolderBase]: For 46/46 co-relation queries the response was YES. [2025-03-04 06:56:04,109 INFO L83 FinitePrefix]: Finished finitePrefix Result has 722 conditions, 532 events. 98/532 cut-off events. For 46/46 co-relation queries the response was YES. Maximal size of possible extension queue 30. Compared 2470 event pairs, 53 based on Foata normal form. 11/450 useless extension candidates. Maximal degree in co-relation 566. Up to 142 conditions per place. [2025-03-04 06:56:04,113 INFO L140 encePairwiseOnDemand]: 179/214 looper letters, 17 selfloop transitions, 2 changer transitions 3/169 dead transitions. [2025-03-04 06:56:04,113 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 176 places, 169 transitions, 393 flow [2025-03-04 06:56:04,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-04 06:56:04,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-04 06:56:04,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 527 transitions. [2025-03-04 06:56:04,125 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8208722741433022 [2025-03-04 06:56:04,127 INFO L175 Difference]: Start difference. First operand has 204 places, 202 transitions, 419 flow. Second operand 3 states and 527 transitions. [2025-03-04 06:56:04,128 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 176 places, 169 transitions, 393 flow [2025-03-04 06:56:04,133 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 171 places, 169 transitions, 384 flow, removed 0 selfloop flow, removed 5 redundant places. [2025-03-04 06:56:04,136 INFO L231 Difference]: Finished difference. Result has 171 places, 166 transitions, 341 flow [2025-03-04 06:56:04,138 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=214, PETRI_DIFFERENCE_MINUEND_FLOW=344, PETRI_DIFFERENCE_MINUEND_PLACES=169, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=169, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=167, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=341, PETRI_PLACES=171, PETRI_TRANSITIONS=166} [2025-03-04 06:56:04,141 INFO L279 CegarLoopForPetriNet]: 204 programPoint places, -33 predicate places. [2025-03-04 06:56:04,141 INFO L471 AbstractCegarLoop]: Abstraction has has 171 places, 166 transitions, 341 flow [2025-03-04 06:56:04,141 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 159.33333333333334) internal successors, (478), 3 states have internal predecessors, (478), 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) [2025-03-04 06:56:04,141 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-04 06:56:04,142 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] [2025-03-04 06:56:04,142 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-03-04 06:56:04,142 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [thread1Err13ASSERT_VIOLATIONDATA_RACE, thread1Err12ASSERT_VIOLATIONDATA_RACE, thread1Err11ASSERT_VIOLATIONDATA_RACE, thread1Err10ASSERT_VIOLATIONDATA_RACE (and 71 more)] === [2025-03-04 06:56:04,143 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 06:56:04,143 INFO L85 PathProgramCache]: Analyzing trace with hash -1563560914, now seen corresponding path program 1 times [2025-03-04 06:56:04,143 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 06:56:04,143 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [876434120] [2025-03-04 06:56:04,143 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 06:56:04,143 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 06:56:04,167 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 31 statements into 1 equivalence classes. [2025-03-04 06:56:04,174 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 31 of 31 statements. [2025-03-04 06:56:04,175 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 06:56:04,175 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 06:56:04,199 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 06:56:04,199 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 06:56:04,200 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [876434120] [2025-03-04 06:56:04,200 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [876434120] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 06:56:04,200 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 06:56:04,200 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-04 06:56:04,200 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [332807626] [2025-03-04 06:56:04,200 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 06:56:04,201 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-04 06:56:04,201 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 06:56:04,201 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-04 06:56:04,202 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-04 06:56:04,212 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 159 out of 214 [2025-03-04 06:56:04,213 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 171 places, 166 transitions, 341 flow. Second operand has 3 states, 3 states have (on average 160.33333333333334) internal successors, (481), 3 states have internal predecessors, (481), 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) [2025-03-04 06:56:04,213 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-04 06:56:04,213 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 159 of 214 [2025-03-04 06:56:04,213 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-04 06:56:04,278 INFO L124 PetriNetUnfolderBase]: 79/502 cut-off events. [2025-03-04 06:56:04,278 INFO L125 PetriNetUnfolderBase]: For 6/6 co-relation queries the response was YES. [2025-03-04 06:56:04,280 INFO L83 FinitePrefix]: Finished finitePrefix Result has 640 conditions, 502 events. 79/502 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 27. Compared 2268 event pairs, 37 based on Foata normal form. 0/415 useless extension candidates. Maximal degree in co-relation 609. Up to 110 conditions per place. [2025-03-04 06:56:04,282 INFO L140 encePairwiseOnDemand]: 211/214 looper letters, 16 selfloop transitions, 2 changer transitions 0/165 dead transitions. [2025-03-04 06:56:04,282 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 169 places, 165 transitions, 375 flow [2025-03-04 06:56:04,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-04 06:56:04,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-04 06:56:04,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 496 transitions. [2025-03-04 06:56:04,283 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7725856697819314 [2025-03-04 06:56:04,283 INFO L175 Difference]: Start difference. First operand has 171 places, 166 transitions, 341 flow. Second operand 3 states and 496 transitions. [2025-03-04 06:56:04,283 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 169 places, 165 transitions, 375 flow [2025-03-04 06:56:04,285 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 167 places, 165 transitions, 371 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-03-04 06:56:04,286 INFO L231 Difference]: Finished difference. Result has 167 places, 165 transitions, 339 flow [2025-03-04 06:56:04,287 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=214, PETRI_DIFFERENCE_MINUEND_FLOW=335, PETRI_DIFFERENCE_MINUEND_PLACES=165, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=165, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=163, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=339, PETRI_PLACES=167, PETRI_TRANSITIONS=165} [2025-03-04 06:56:04,287 INFO L279 CegarLoopForPetriNet]: 204 programPoint places, -37 predicate places. [2025-03-04 06:56:04,287 INFO L471 AbstractCegarLoop]: Abstraction has has 167 places, 165 transitions, 339 flow [2025-03-04 06:56:04,288 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 160.33333333333334) internal successors, (481), 3 states have internal predecessors, (481), 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) [2025-03-04 06:56:04,288 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-04 06:56:04,288 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] [2025-03-04 06:56:04,288 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-03-04 06:56:04,288 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [thread1Err13ASSERT_VIOLATIONDATA_RACE, thread1Err12ASSERT_VIOLATIONDATA_RACE, thread1Err11ASSERT_VIOLATIONDATA_RACE, thread1Err10ASSERT_VIOLATIONDATA_RACE (and 71 more)] === [2025-03-04 06:56:04,288 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 06:56:04,289 INFO L85 PathProgramCache]: Analyzing trace with hash -427345562, now seen corresponding path program 1 times [2025-03-04 06:56:04,289 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 06:56:04,289 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [61517522] [2025-03-04 06:56:04,289 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 06:56:04,289 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 06:56:04,294 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 35 statements into 1 equivalence classes. [2025-03-04 06:56:04,297 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 35 of 35 statements. [2025-03-04 06:56:04,297 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 06:56:04,298 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 06:56:04,332 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 06:56:04,332 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 06:56:04,332 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [61517522] [2025-03-04 06:56:04,332 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [61517522] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 06:56:04,332 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 06:56:04,332 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-04 06:56:04,333 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [954219515] [2025-03-04 06:56:04,333 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 06:56:04,333 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-04 06:56:04,333 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 06:56:04,333 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-04 06:56:04,333 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-04 06:56:04,343 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 163 out of 214 [2025-03-04 06:56:04,343 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 167 places, 165 transitions, 339 flow. Second operand has 3 states, 3 states have (on average 164.0) internal successors, (492), 3 states have internal predecessors, (492), 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) [2025-03-04 06:56:04,343 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-04 06:56:04,343 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 163 of 214 [2025-03-04 06:56:04,343 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-04 06:56:04,462 INFO L124 PetriNetUnfolderBase]: 114/723 cut-off events. [2025-03-04 06:56:04,462 INFO L125 PetriNetUnfolderBase]: For 13/13 co-relation queries the response was YES. [2025-03-04 06:56:04,463 INFO L83 FinitePrefix]: Finished finitePrefix Result has 911 conditions, 723 events. 114/723 cut-off events. For 13/13 co-relation queries the response was YES. Maximal size of possible extension queue 40. Compared 4058 event pairs, 48 based on Foata normal form. 0/592 useless extension candidates. Maximal degree in co-relation 872. Up to 87 conditions per place. [2025-03-04 06:56:04,465 INFO L140 encePairwiseOnDemand]: 211/214 looper letters, 22 selfloop transitions, 2 changer transitions 0/173 dead transitions. [2025-03-04 06:56:04,465 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 168 places, 173 transitions, 407 flow [2025-03-04 06:56:04,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-04 06:56:04,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-04 06:56:04,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 514 transitions. [2025-03-04 06:56:04,467 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8006230529595015 [2025-03-04 06:56:04,467 INFO L175 Difference]: Start difference. First operand has 167 places, 165 transitions, 339 flow. Second operand 3 states and 514 transitions. [2025-03-04 06:56:04,467 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 168 places, 173 transitions, 407 flow [2025-03-04 06:56:04,468 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 166 places, 173 transitions, 403 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-03-04 06:56:04,470 INFO L231 Difference]: Finished difference. Result has 167 places, 165 transitions, 343 flow [2025-03-04 06:56:04,470 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=214, PETRI_DIFFERENCE_MINUEND_FLOW=333, PETRI_DIFFERENCE_MINUEND_PLACES=164, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=164, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=162, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=343, PETRI_PLACES=167, PETRI_TRANSITIONS=165} [2025-03-04 06:56:04,472 INFO L279 CegarLoopForPetriNet]: 204 programPoint places, -37 predicate places. [2025-03-04 06:56:04,472 INFO L471 AbstractCegarLoop]: Abstraction has has 167 places, 165 transitions, 343 flow [2025-03-04 06:56:04,472 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 164.0) internal successors, (492), 3 states have internal predecessors, (492), 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) [2025-03-04 06:56:04,472 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-04 06:56:04,472 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] [2025-03-04 06:56:04,472 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-03-04 06:56:04,472 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [thread1Err13ASSERT_VIOLATIONDATA_RACE, thread1Err12ASSERT_VIOLATIONDATA_RACE, thread1Err11ASSERT_VIOLATIONDATA_RACE, thread1Err10ASSERT_VIOLATIONDATA_RACE (and 71 more)] === [2025-03-04 06:56:04,472 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 06:56:04,473 INFO L85 PathProgramCache]: Analyzing trace with hash 1964960394, now seen corresponding path program 1 times [2025-03-04 06:56:04,473 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 06:56:04,473 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [280690240] [2025-03-04 06:56:04,473 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 06:56:04,473 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 06:56:04,481 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 39 statements into 1 equivalence classes. [2025-03-04 06:56:04,485 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 39 of 39 statements. [2025-03-04 06:56:04,485 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 06:56:04,485 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 06:56:04,524 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 06:56:04,524 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 06:56:04,524 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [280690240] [2025-03-04 06:56:04,524 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [280690240] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 06:56:04,524 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 06:56:04,524 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-04 06:56:04,524 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [565197473] [2025-03-04 06:56:04,525 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 06:56:04,525 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-04 06:56:04,525 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 06:56:04,525 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-04 06:56:04,525 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-04 06:56:04,550 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 158 out of 214 [2025-03-04 06:56:04,551 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 167 places, 165 transitions, 343 flow. Second operand has 3 states, 3 states have (on average 159.33333333333334) internal successors, (478), 3 states have internal predecessors, (478), 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) [2025-03-04 06:56:04,551 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-04 06:56:04,551 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 158 of 214 [2025-03-04 06:56:04,551 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-04 06:56:04,673 INFO L124 PetriNetUnfolderBase]: 165/756 cut-off events. [2025-03-04 06:56:04,673 INFO L125 PetriNetUnfolderBase]: For 53/53 co-relation queries the response was YES. [2025-03-04 06:56:04,675 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1094 conditions, 756 events. 165/756 cut-off events. For 53/53 co-relation queries the response was YES. Maximal size of possible extension queue 44. Compared 4345 event pairs, 103 based on Foata normal form. 0/629 useless extension candidates. Maximal degree in co-relation 690. Up to 239 conditions per place. [2025-03-04 06:56:04,678 INFO L140 encePairwiseOnDemand]: 211/214 looper letters, 18 selfloop transitions, 2 changer transitions 0/164 dead transitions. [2025-03-04 06:56:04,678 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 168 places, 164 transitions, 381 flow [2025-03-04 06:56:04,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-04 06:56:04,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-04 06:56:04,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 494 transitions. [2025-03-04 06:56:04,679 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7694704049844237 [2025-03-04 06:56:04,679 INFO L175 Difference]: Start difference. First operand has 167 places, 165 transitions, 343 flow. Second operand 3 states and 494 transitions. [2025-03-04 06:56:04,679 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 168 places, 164 transitions, 381 flow [2025-03-04 06:56:04,680 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 167 places, 164 transitions, 379 flow, removed 0 selfloop flow, removed 1 redundant places. [2025-03-04 06:56:04,681 INFO L231 Difference]: Finished difference. Result has 167 places, 164 transitions, 343 flow [2025-03-04 06:56:04,682 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=214, PETRI_DIFFERENCE_MINUEND_FLOW=339, PETRI_DIFFERENCE_MINUEND_PLACES=165, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=164, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=162, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=343, PETRI_PLACES=167, PETRI_TRANSITIONS=164} [2025-03-04 06:56:04,682 INFO L279 CegarLoopForPetriNet]: 204 programPoint places, -37 predicate places. [2025-03-04 06:56:04,682 INFO L471 AbstractCegarLoop]: Abstraction has has 167 places, 164 transitions, 343 flow [2025-03-04 06:56:04,682 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 159.33333333333334) internal successors, (478), 3 states have internal predecessors, (478), 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) [2025-03-04 06:56:04,682 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-04 06:56:04,683 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] [2025-03-04 06:56:04,683 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-03-04 06:56:04,683 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thread1Err13ASSERT_VIOLATIONDATA_RACE, thread1Err12ASSERT_VIOLATIONDATA_RACE, thread1Err11ASSERT_VIOLATIONDATA_RACE, thread1Err10ASSERT_VIOLATIONDATA_RACE (and 71 more)] === [2025-03-04 06:56:04,683 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 06:56:04,683 INFO L85 PathProgramCache]: Analyzing trace with hash 1803431116, now seen corresponding path program 1 times [2025-03-04 06:56:04,683 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 06:56:04,683 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1165159651] [2025-03-04 06:56:04,683 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 06:56:04,683 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 06:56:04,688 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 44 statements into 1 equivalence classes. [2025-03-04 06:56:04,691 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 44 of 44 statements. [2025-03-04 06:56:04,691 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 06:56:04,691 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 06:56:04,711 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 06:56:04,712 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 06:56:04,712 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1165159651] [2025-03-04 06:56:04,712 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1165159651] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 06:56:04,712 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 06:56:04,712 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-04 06:56:04,712 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1729601047] [2025-03-04 06:56:04,712 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 06:56:04,712 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-04 06:56:04,712 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 06:56:04,713 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-04 06:56:04,713 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-04 06:56:04,719 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 160 out of 214 [2025-03-04 06:56:04,720 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 167 places, 164 transitions, 343 flow. Second operand has 3 states, 3 states have (on average 161.33333333333334) internal successors, (484), 3 states have internal predecessors, (484), 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) [2025-03-04 06:56:04,720 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-04 06:56:04,720 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 160 of 214 [2025-03-04 06:56:04,720 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-04 06:56:04,810 INFO L124 PetriNetUnfolderBase]: 113/681 cut-off events. [2025-03-04 06:56:04,810 INFO L125 PetriNetUnfolderBase]: For 32/32 co-relation queries the response was YES. [2025-03-04 06:56:04,814 INFO L83 FinitePrefix]: Finished finitePrefix Result has 893 conditions, 681 events. 113/681 cut-off events. For 32/32 co-relation queries the response was YES. Maximal size of possible extension queue 39. Compared 3747 event pairs, 57 based on Foata normal form. 0/560 useless extension candidates. Maximal degree in co-relation 845. Up to 155 conditions per place. [2025-03-04 06:56:04,816 INFO L140 encePairwiseOnDemand]: 211/214 looper letters, 16 selfloop transitions, 2 changer transitions 0/163 dead transitions. [2025-03-04 06:56:04,816 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 168 places, 163 transitions, 377 flow [2025-03-04 06:56:04,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-04 06:56:04,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-04 06:56:04,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 498 transitions. [2025-03-04 06:56:04,819 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7757009345794392 [2025-03-04 06:56:04,819 INFO L175 Difference]: Start difference. First operand has 167 places, 164 transitions, 343 flow. Second operand 3 states and 498 transitions. [2025-03-04 06:56:04,820 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 168 places, 163 transitions, 377 flow [2025-03-04 06:56:04,820 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 166 places, 163 transitions, 373 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-03-04 06:56:04,823 INFO L231 Difference]: Finished difference. Result has 166 places, 163 transitions, 341 flow [2025-03-04 06:56:04,824 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=214, PETRI_DIFFERENCE_MINUEND_FLOW=337, PETRI_DIFFERENCE_MINUEND_PLACES=164, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=163, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=161, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=341, PETRI_PLACES=166, PETRI_TRANSITIONS=163} [2025-03-04 06:56:04,825 INFO L279 CegarLoopForPetriNet]: 204 programPoint places, -38 predicate places. [2025-03-04 06:56:04,825 INFO L471 AbstractCegarLoop]: Abstraction has has 166 places, 163 transitions, 341 flow [2025-03-04 06:56:04,825 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 161.33333333333334) internal successors, (484), 3 states have internal predecessors, (484), 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) [2025-03-04 06:56:04,825 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-04 06:56:04,826 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] [2025-03-04 06:56:04,826 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-03-04 06:56:04,827 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err13ASSERT_VIOLATIONDATA_RACE, thread1Err12ASSERT_VIOLATIONDATA_RACE, thread1Err11ASSERT_VIOLATIONDATA_RACE, thread1Err10ASSERT_VIOLATIONDATA_RACE (and 71 more)] === [2025-03-04 06:56:04,828 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 06:56:04,828 INFO L85 PathProgramCache]: Analyzing trace with hash 271045437, now seen corresponding path program 1 times [2025-03-04 06:56:04,828 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 06:56:04,828 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1914185271] [2025-03-04 06:56:04,828 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 06:56:04,828 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 06:56:04,836 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 47 statements into 1 equivalence classes. [2025-03-04 06:56:04,841 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 47 of 47 statements. [2025-03-04 06:56:04,842 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 06:56:04,842 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 06:56:04,888 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 06:56:04,889 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 06:56:04,889 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1914185271] [2025-03-04 06:56:04,889 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1914185271] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 06:56:04,889 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 06:56:04,889 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-04 06:56:04,889 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1140523674] [2025-03-04 06:56:04,889 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 06:56:04,890 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-04 06:56:04,890 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 06:56:04,890 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-04 06:56:04,890 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-04 06:56:04,904 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 160 out of 214 [2025-03-04 06:56:04,905 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 166 places, 163 transitions, 341 flow. Second operand has 3 states, 3 states have (on average 161.0) internal successors, (483), 3 states have internal predecessors, (483), 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) [2025-03-04 06:56:04,905 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-04 06:56:04,905 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 160 of 214 [2025-03-04 06:56:04,905 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-04 06:56:04,995 INFO L124 PetriNetUnfolderBase]: 171/772 cut-off events. [2025-03-04 06:56:04,995 INFO L125 PetriNetUnfolderBase]: For 52/52 co-relation queries the response was YES. [2025-03-04 06:56:04,996 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1100 conditions, 772 events. 171/772 cut-off events. For 52/52 co-relation queries the response was YES. Maximal size of possible extension queue 46. Compared 4547 event pairs, 103 based on Foata normal form. 0/654 useless extension candidates. Maximal degree in co-relation 1047. Up to 243 conditions per place. [2025-03-04 06:56:04,998 INFO L140 encePairwiseOnDemand]: 211/214 looper letters, 17 selfloop transitions, 1 changer transitions 0/161 dead transitions. [2025-03-04 06:56:04,998 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 166 places, 161 transitions, 373 flow [2025-03-04 06:56:04,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-04 06:56:04,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-04 06:56:05,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 499 transitions. [2025-03-04 06:56:05,000 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7772585669781932 [2025-03-04 06:56:05,000 INFO L175 Difference]: Start difference. First operand has 166 places, 163 transitions, 341 flow. Second operand 3 states and 499 transitions. [2025-03-04 06:56:05,001 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 166 places, 161 transitions, 373 flow [2025-03-04 06:56:05,001 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 164 places, 161 transitions, 369 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-03-04 06:56:05,003 INFO L231 Difference]: Finished difference. Result has 164 places, 161 transitions, 335 flow [2025-03-04 06:56:05,003 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=214, PETRI_DIFFERENCE_MINUEND_FLOW=333, PETRI_DIFFERENCE_MINUEND_PLACES=162, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=161, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=160, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=335, PETRI_PLACES=164, PETRI_TRANSITIONS=161} [2025-03-04 06:56:05,004 INFO L279 CegarLoopForPetriNet]: 204 programPoint places, -40 predicate places. [2025-03-04 06:56:05,004 INFO L471 AbstractCegarLoop]: Abstraction has has 164 places, 161 transitions, 335 flow [2025-03-04 06:56:05,004 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 161.0) internal successors, (483), 3 states have internal predecessors, (483), 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) [2025-03-04 06:56:05,004 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-04 06:56:05,005 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] [2025-03-04 06:56:05,005 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2025-03-04 06:56:05,005 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err13ASSERT_VIOLATIONDATA_RACE, thread1Err12ASSERT_VIOLATIONDATA_RACE, thread1Err11ASSERT_VIOLATIONDATA_RACE, thread1Err10ASSERT_VIOLATIONDATA_RACE (and 71 more)] === [2025-03-04 06:56:05,005 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 06:56:05,006 INFO L85 PathProgramCache]: Analyzing trace with hash -1532508868, now seen corresponding path program 1 times [2025-03-04 06:56:05,006 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 06:56:05,006 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1926574733] [2025-03-04 06:56:05,006 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 06:56:05,006 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 06:56:05,015 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 77 statements into 1 equivalence classes. [2025-03-04 06:56:05,036 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 77 of 77 statements. [2025-03-04 06:56:05,036 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 06:56:05,036 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 06:56:05,510 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 06:56:05,510 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 06:56:05,511 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1926574733] [2025-03-04 06:56:05,511 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1926574733] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 06:56:05,511 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 06:56:05,511 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-04 06:56:05,511 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [242720759] [2025-03-04 06:56:05,511 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 06:56:05,511 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-04 06:56:05,511 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 06:56:05,512 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-04 06:56:05,512 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2025-03-04 06:56:05,573 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 153 out of 214 [2025-03-04 06:56:05,574 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 164 places, 161 transitions, 335 flow. Second operand has 6 states, 6 states have (on average 154.5) internal successors, (927), 6 states have internal predecessors, (927), 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) [2025-03-04 06:56:05,575 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-04 06:56:05,575 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 153 of 214 [2025-03-04 06:56:05,575 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-04 06:56:05,675 INFO L124 PetriNetUnfolderBase]: 113/666 cut-off events. [2025-03-04 06:56:05,675 INFO L125 PetriNetUnfolderBase]: For 32/32 co-relation queries the response was YES. [2025-03-04 06:56:05,677 INFO L83 FinitePrefix]: Finished finitePrefix Result has 885 conditions, 666 events. 113/666 cut-off events. For 32/32 co-relation queries the response was YES. Maximal size of possible extension queue 36. Compared 3611 event pairs, 57 based on Foata normal form. 0/560 useless extension candidates. Maximal degree in co-relation 833. Up to 160 conditions per place. [2025-03-04 06:56:05,679 INFO L140 encePairwiseOnDemand]: 208/214 looper letters, 21 selfloop transitions, 5 changer transitions 0/160 dead transitions. [2025-03-04 06:56:05,679 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 168 places, 160 transitions, 385 flow [2025-03-04 06:56:05,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-04 06:56:05,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2025-03-04 06:56:05,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 944 transitions. [2025-03-04 06:56:05,682 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.735202492211838 [2025-03-04 06:56:05,682 INFO L175 Difference]: Start difference. First operand has 164 places, 161 transitions, 335 flow. Second operand 6 states and 944 transitions. [2025-03-04 06:56:05,682 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 168 places, 160 transitions, 385 flow [2025-03-04 06:56:05,683 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 167 places, 160 transitions, 384 flow, removed 0 selfloop flow, removed 1 redundant places. [2025-03-04 06:56:05,685 INFO L231 Difference]: Finished difference. Result has 167 places, 160 transitions, 342 flow [2025-03-04 06:56:05,685 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=214, PETRI_DIFFERENCE_MINUEND_FLOW=332, PETRI_DIFFERENCE_MINUEND_PLACES=162, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=160, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=155, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=342, PETRI_PLACES=167, PETRI_TRANSITIONS=160} [2025-03-04 06:56:05,686 INFO L279 CegarLoopForPetriNet]: 204 programPoint places, -37 predicate places. [2025-03-04 06:56:05,686 INFO L471 AbstractCegarLoop]: Abstraction has has 167 places, 160 transitions, 342 flow [2025-03-04 06:56:05,687 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 154.5) internal successors, (927), 6 states have internal predecessors, (927), 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) [2025-03-04 06:56:05,687 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-04 06:56:05,687 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] [2025-03-04 06:56:05,687 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2025-03-04 06:56:05,687 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err13ASSERT_VIOLATIONDATA_RACE, thread1Err12ASSERT_VIOLATIONDATA_RACE, thread1Err11ASSERT_VIOLATIONDATA_RACE, thread1Err10ASSERT_VIOLATIONDATA_RACE (and 71 more)] === [2025-03-04 06:56:05,688 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 06:56:05,688 INFO L85 PathProgramCache]: Analyzing trace with hash -1202531045, now seen corresponding path program 1 times [2025-03-04 06:56:05,688 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 06:56:05,688 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [804999117] [2025-03-04 06:56:05,688 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 06:56:05,688 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 06:56:05,695 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 77 statements into 1 equivalence classes. [2025-03-04 06:56:05,699 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 77 of 77 statements. [2025-03-04 06:56:05,699 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 06:56:05,699 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 06:56:05,721 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 06:56:05,721 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 06:56:05,721 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [804999117] [2025-03-04 06:56:05,721 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [804999117] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 06:56:05,721 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 06:56:05,721 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-04 06:56:05,722 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1416107029] [2025-03-04 06:56:05,722 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 06:56:05,722 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-04 06:56:05,722 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 06:56:05,722 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-04 06:56:05,723 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-04 06:56:05,732 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 160 out of 214 [2025-03-04 06:56:05,733 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 167 places, 160 transitions, 342 flow. Second operand has 3 states, 3 states have (on average 161.33333333333334) internal successors, (484), 3 states have internal predecessors, (484), 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) [2025-03-04 06:56:05,733 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-04 06:56:05,733 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 160 of 214 [2025-03-04 06:56:05,733 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-04 06:56:05,814 INFO L124 PetriNetUnfolderBase]: 113/665 cut-off events. [2025-03-04 06:56:05,815 INFO L125 PetriNetUnfolderBase]: For 32/32 co-relation queries the response was YES. [2025-03-04 06:56:05,816 INFO L83 FinitePrefix]: Finished finitePrefix Result has 881 conditions, 665 events. 113/665 cut-off events. For 32/32 co-relation queries the response was YES. Maximal size of possible extension queue 36. Compared 3582 event pairs, 57 based on Foata normal form. 0/560 useless extension candidates. Maximal degree in co-relation 862. Up to 155 conditions per place. [2025-03-04 06:56:05,818 INFO L140 encePairwiseOnDemand]: 211/214 looper letters, 16 selfloop transitions, 2 changer transitions 0/159 dead transitions. [2025-03-04 06:56:05,818 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 168 places, 159 transitions, 376 flow [2025-03-04 06:56:05,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-04 06:56:05,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-04 06:56:05,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 498 transitions. [2025-03-04 06:56:05,820 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7757009345794392 [2025-03-04 06:56:05,820 INFO L175 Difference]: Start difference. First operand has 167 places, 160 transitions, 342 flow. Second operand 3 states and 498 transitions. [2025-03-04 06:56:05,820 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 168 places, 159 transitions, 376 flow [2025-03-04 06:56:05,821 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 163 places, 159 transitions, 366 flow, removed 0 selfloop flow, removed 5 redundant places. [2025-03-04 06:56:05,822 INFO L231 Difference]: Finished difference. Result has 163 places, 159 transitions, 334 flow [2025-03-04 06:56:05,822 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=214, PETRI_DIFFERENCE_MINUEND_FLOW=330, PETRI_DIFFERENCE_MINUEND_PLACES=161, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=159, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=157, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=334, PETRI_PLACES=163, PETRI_TRANSITIONS=159} [2025-03-04 06:56:05,823 INFO L279 CegarLoopForPetriNet]: 204 programPoint places, -41 predicate places. [2025-03-04 06:56:05,823 INFO L471 AbstractCegarLoop]: Abstraction has has 163 places, 159 transitions, 334 flow [2025-03-04 06:56:05,823 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 161.33333333333334) internal successors, (484), 3 states have internal predecessors, (484), 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) [2025-03-04 06:56:05,823 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-04 06:56:05,824 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] [2025-03-04 06:56:05,824 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2025-03-04 06:56:05,824 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting thread2Err13ASSERT_VIOLATIONDATA_RACE === [thread1Err13ASSERT_VIOLATIONDATA_RACE, thread1Err12ASSERT_VIOLATIONDATA_RACE, thread1Err11ASSERT_VIOLATIONDATA_RACE, thread1Err10ASSERT_VIOLATIONDATA_RACE (and 71 more)] === [2025-03-04 06:56:05,824 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 06:56:05,824 INFO L85 PathProgramCache]: Analyzing trace with hash -2017430661, now seen corresponding path program 1 times [2025-03-04 06:56:05,824 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 06:56:05,824 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [14708686] [2025-03-04 06:56:05,825 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 06:56:05,825 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 06:56:05,831 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 95 statements into 1 equivalence classes. [2025-03-04 06:56:05,839 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 95 of 95 statements. [2025-03-04 06:56:05,839 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 06:56:05,839 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 06:56:05,868 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 06:56:05,868 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 06:56:05,868 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [14708686] [2025-03-04 06:56:05,868 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [14708686] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 06:56:05,868 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 06:56:05,868 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-04 06:56:05,868 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1487822235] [2025-03-04 06:56:05,869 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 06:56:05,870 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-04 06:56:05,870 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 06:56:05,870 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-04 06:56:05,870 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-04 06:56:05,880 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 160 out of 214 [2025-03-04 06:56:05,881 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 163 places, 159 transitions, 334 flow. Second operand has 3 states, 3 states have (on average 162.0) internal successors, (486), 3 states have internal predecessors, (486), 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) [2025-03-04 06:56:05,881 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-04 06:56:05,881 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 160 of 214 [2025-03-04 06:56:05,881 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-04 06:56:05,981 INFO L124 PetriNetUnfolderBase]: 246/861 cut-off events. [2025-03-04 06:56:05,982 INFO L125 PetriNetUnfolderBase]: For 82/82 co-relation queries the response was YES. [2025-03-04 06:56:05,983 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1350 conditions, 861 events. 246/861 cut-off events. For 82/82 co-relation queries the response was YES. Maximal size of possible extension queue 42. Compared 4910 event pairs, 56 based on Foata normal form. 0/775 useless extension candidates. Maximal degree in co-relation 1297. Up to 251 conditions per place. [2025-03-04 06:56:05,984 INFO L140 encePairwiseOnDemand]: 208/214 looper letters, 0 selfloop transitions, 0 changer transitions 168/168 dead transitions. [2025-03-04 06:56:05,984 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 163 places, 168 transitions, 418 flow [2025-03-04 06:56:05,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-04 06:56:05,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-04 06:56:05,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 509 transitions. [2025-03-04 06:56:05,986 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7928348909657321 [2025-03-04 06:56:05,986 INFO L175 Difference]: Start difference. First operand has 163 places, 159 transitions, 334 flow. Second operand 3 states and 509 transitions. [2025-03-04 06:56:05,987 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 163 places, 168 transitions, 418 flow [2025-03-04 06:56:05,987 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 161 places, 168 transitions, 414 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-03-04 06:56:05,988 INFO L231 Difference]: Finished difference. Result has 161 places, 0 transitions, 0 flow [2025-03-04 06:56:05,988 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=214, PETRI_DIFFERENCE_MINUEND_FLOW=326, PETRI_DIFFERENCE_MINUEND_PLACES=159, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=157, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=157, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=161, PETRI_TRANSITIONS=0} [2025-03-04 06:56:05,989 INFO L279 CegarLoopForPetriNet]: 204 programPoint places, -43 predicate places. [2025-03-04 06:56:05,989 INFO L471 AbstractCegarLoop]: Abstraction has has 161 places, 0 transitions, 0 flow [2025-03-04 06:56:05,989 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 162.0) internal successors, (486), 3 states have internal predecessors, (486), 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) [2025-03-04 06:56:05,991 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err13ASSERT_VIOLATIONDATA_RACE (74 of 75 remaining) [2025-03-04 06:56:05,992 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err12ASSERT_VIOLATIONDATA_RACE (73 of 75 remaining) [2025-03-04 06:56:05,992 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err11ASSERT_VIOLATIONDATA_RACE (72 of 75 remaining) [2025-03-04 06:56:05,992 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (71 of 75 remaining) [2025-03-04 06:56:05,992 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (70 of 75 remaining) [2025-03-04 06:56:05,992 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (69 of 75 remaining) [2025-03-04 06:56:05,992 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (68 of 75 remaining) [2025-03-04 06:56:05,992 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (67 of 75 remaining) [2025-03-04 06:56:05,992 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (66 of 75 remaining) [2025-03-04 06:56:05,992 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (65 of 75 remaining) [2025-03-04 06:56:05,992 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (64 of 75 remaining) [2025-03-04 06:56:05,992 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (63 of 75 remaining) [2025-03-04 06:56:05,993 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (62 of 75 remaining) [2025-03-04 06:56:05,993 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (61 of 75 remaining) [2025-03-04 06:56:05,993 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err14ASSERT_VIOLATIONDATA_RACE (60 of 75 remaining) [2025-03-04 06:56:05,993 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err13ASSERT_VIOLATIONDATA_RACE (59 of 75 remaining) [2025-03-04 06:56:05,993 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err12ASSERT_VIOLATIONDATA_RACE (58 of 75 remaining) [2025-03-04 06:56:05,993 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (57 of 75 remaining) [2025-03-04 06:56:05,993 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (56 of 75 remaining) [2025-03-04 06:56:05,993 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (55 of 75 remaining) [2025-03-04 06:56:05,993 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (54 of 75 remaining) [2025-03-04 06:56:05,993 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (53 of 75 remaining) [2025-03-04 06:56:05,993 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (52 of 75 remaining) [2025-03-04 06:56:05,993 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (51 of 75 remaining) [2025-03-04 06:56:05,993 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (50 of 75 remaining) [2025-03-04 06:56:05,993 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (49 of 75 remaining) [2025-03-04 06:56:05,993 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (48 of 75 remaining) [2025-03-04 06:56:05,994 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (47 of 75 remaining) [2025-03-04 06:56:05,994 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (46 of 75 remaining) [2025-03-04 06:56:05,994 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (45 of 75 remaining) [2025-03-04 06:56:05,994 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (44 of 75 remaining) [2025-03-04 06:56:05,994 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (43 of 75 remaining) [2025-03-04 06:56:05,994 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (42 of 75 remaining) [2025-03-04 06:56:05,994 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (41 of 75 remaining) [2025-03-04 06:56:05,994 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (40 of 75 remaining) [2025-03-04 06:56:05,994 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (39 of 75 remaining) [2025-03-04 06:56:05,994 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (38 of 75 remaining) [2025-03-04 06:56:05,994 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (37 of 75 remaining) [2025-03-04 06:56:05,994 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (36 of 75 remaining) [2025-03-04 06:56:05,994 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (35 of 75 remaining) [2025-03-04 06:56:05,994 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (34 of 75 remaining) [2025-03-04 06:56:05,994 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (33 of 75 remaining) [2025-03-04 06:56:05,994 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (32 of 75 remaining) [2025-03-04 06:56:05,994 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err13ASSERT_VIOLATIONDATA_RACE (31 of 75 remaining) [2025-03-04 06:56:05,994 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err12ASSERT_VIOLATIONDATA_RACE (30 of 75 remaining) [2025-03-04 06:56:05,994 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err11ASSERT_VIOLATIONDATA_RACE (29 of 75 remaining) [2025-03-04 06:56:05,994 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (28 of 75 remaining) [2025-03-04 06:56:05,994 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (27 of 75 remaining) [2025-03-04 06:56:05,994 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (26 of 75 remaining) [2025-03-04 06:56:05,994 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (25 of 75 remaining) [2025-03-04 06:56:05,994 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (24 of 75 remaining) [2025-03-04 06:56:05,994 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (23 of 75 remaining) [2025-03-04 06:56:05,994 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (22 of 75 remaining) [2025-03-04 06:56:05,994 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (21 of 75 remaining) [2025-03-04 06:56:05,994 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (20 of 75 remaining) [2025-03-04 06:56:05,994 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (19 of 75 remaining) [2025-03-04 06:56:05,994 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (18 of 75 remaining) [2025-03-04 06:56:05,994 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err14ASSERT_VIOLATIONDATA_RACE (17 of 75 remaining) [2025-03-04 06:56:05,994 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err13ASSERT_VIOLATIONDATA_RACE (16 of 75 remaining) [2025-03-04 06:56:05,995 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err12ASSERT_VIOLATIONDATA_RACE (15 of 75 remaining) [2025-03-04 06:56:05,995 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (14 of 75 remaining) [2025-03-04 06:56:05,995 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (13 of 75 remaining) [2025-03-04 06:56:05,995 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (12 of 75 remaining) [2025-03-04 06:56:05,995 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (11 of 75 remaining) [2025-03-04 06:56:05,995 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (10 of 75 remaining) [2025-03-04 06:56:05,995 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (9 of 75 remaining) [2025-03-04 06:56:05,995 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (8 of 75 remaining) [2025-03-04 06:56:05,995 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (7 of 75 remaining) [2025-03-04 06:56:05,995 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (6 of 75 remaining) [2025-03-04 06:56:05,995 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (5 of 75 remaining) [2025-03-04 06:56:05,995 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (4 of 75 remaining) [2025-03-04 06:56:05,995 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (3 of 75 remaining) [2025-03-04 06:56:05,995 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (2 of 75 remaining) [2025-03-04 06:56:05,995 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (1 of 75 remaining) [2025-03-04 06:56:05,995 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (0 of 75 remaining) [2025-03-04 06:56:05,995 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2025-03-04 06:56:05,995 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 06:56:06,003 INFO L241 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2025-03-04 06:56:06,003 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-03-04 06:56:06,008 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 04.03 06:56:06 BasicIcfg [2025-03-04 06:56:06,008 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-03-04 06:56:06,009 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-03-04 06:56:06,009 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-03-04 06:56:06,009 INFO L274 PluginConnector]: Witness Printer initialized [2025-03-04 06:56:06,009 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 04.03 06:56:03" (3/4) ... [2025-03-04 06:56:06,010 INFO L146 WitnessPrinter]: Generating witness for correct program [2025-03-04 06:56:06,012 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure thread1 [2025-03-04 06:56:06,012 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure thread2 [2025-03-04 06:56:06,012 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure thread3 [2025-03-04 06:56:06,017 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2025-03-04 06:56:06,017 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2025-03-04 06:56:06,017 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2025-03-04 06:56:06,018 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2025-03-04 06:56:06,080 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-03-04 06:56:06,080 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2025-03-04 06:56:06,080 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-03-04 06:56:06,081 INFO L158 Benchmark]: Toolchain (without parser) took 3536.99ms. Allocated memory was 142.6MB in the beginning and 192.9MB in the end (delta: 50.3MB). Free memory was 112.6MB in the beginning and 67.5MB in the end (delta: 45.1MB). Peak memory consumption was 89.5MB. Max. memory is 16.1GB. [2025-03-04 06:56:06,081 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 201.3MB. Free memory is still 123.8MB. There was no memory consumed. Max. memory is 16.1GB. [2025-03-04 06:56:06,082 INFO L158 Benchmark]: CACSL2BoogieTranslator took 228.24ms. Allocated memory is still 142.6MB. Free memory was 112.6MB in the beginning and 100.1MB in the end (delta: 12.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-04 06:56:06,082 INFO L158 Benchmark]: Boogie Procedure Inliner took 28.75ms. Allocated memory is still 142.6MB. Free memory was 100.1MB in the beginning and 97.7MB in the end (delta: 2.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-04 06:56:06,082 INFO L158 Benchmark]: Boogie Preprocessor took 18.49ms. Allocated memory is still 142.6MB. Free memory was 97.7MB in the beginning and 96.2MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-04 06:56:06,082 INFO L158 Benchmark]: IcfgBuilder took 692.59ms. Allocated memory is still 142.6MB. Free memory was 96.2MB in the beginning and 41.4MB in the end (delta: 54.8MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. [2025-03-04 06:56:06,082 INFO L158 Benchmark]: TraceAbstraction took 2491.13ms. Allocated memory was 142.6MB in the beginning and 192.9MB in the end (delta: 50.3MB). Free memory was 41.0MB in the beginning and 74.0MB in the end (delta: -33.0MB). Peak memory consumption was 22.4MB. Max. memory is 16.1GB. [2025-03-04 06:56:06,082 INFO L158 Benchmark]: Witness Printer took 71.73ms. Allocated memory is still 192.9MB. Free memory was 74.0MB in the beginning and 67.5MB in the end (delta: 6.5MB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-04 06:56:06,084 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 201.3MB. Free memory is still 123.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 228.24ms. Allocated memory is still 142.6MB. Free memory was 112.6MB in the beginning and 100.1MB in the end (delta: 12.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 28.75ms. Allocated memory is still 142.6MB. Free memory was 100.1MB in the beginning and 97.7MB in the end (delta: 2.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 18.49ms. Allocated memory is still 142.6MB. Free memory was 97.7MB in the beginning and 96.2MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * IcfgBuilder took 692.59ms. Allocated memory is still 142.6MB. Free memory was 96.2MB in the beginning and 41.4MB in the end (delta: 54.8MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. * TraceAbstraction took 2491.13ms. Allocated memory was 142.6MB in the beginning and 192.9MB in the end (delta: 50.3MB). Free memory was 41.0MB in the beginning and 74.0MB in the end (delta: -33.0MB). Peak memory consumption was 22.4MB. Max. memory is 16.1GB. * Witness Printer took 71.73ms. Allocated memory is still 192.9MB. Free memory was 74.0MB in the beginning and 67.5MB in the end (delta: 6.5MB). There was no memory consumed. 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: 53]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 53]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 53]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 53]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 53]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 54]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 54]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 54]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 54]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 54]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 55]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 55]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 58]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 68]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 71]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 71]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 71]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 74]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 74]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 74]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 75]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 75]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 79]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 79]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 79]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 80]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 80]: 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: 94]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 94]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 94]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 103]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 104]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 105]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 105]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 106]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 107]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 128]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 107]: 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 7 procedures, 284 locations, 75 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: 2.4s, OverallIterations: 9, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 158 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 75 mSDsluCounter, 30 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 26 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 356 IncrementalHoareTripleChecker+Invalid, 382 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 26 mSolverCounterUnsat, 30 mSDtfsCounter, 356 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 22 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=419occurred in iteration=0, InterpolantAutomatonStates: 30, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 468 NumberOfCodeBlocks, 468 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 459 ConstructedInterpolants, 0 QuantifiedInterpolants, 590 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 9 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 40 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2025-03-04 06:56:06,105 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE