./Ultimate.py --spec ../sv-benchmarks/c/properties/no-data-race.prp --file ../sv-benchmarks/c/weaver/popl20-queue-add-3.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version e2fb8bed 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-queue-add-3.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 d2c89f010e0f73e8ba7e81bb150b82b70d39c0827c0d616dd2c3347839d51e01 --- Real Ultimate output --- This is Ultimate 0.3.0-?-e2fb8be-m [2025-03-08 22:07:56,711 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-08 22:07:56,765 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2025-03-08 22:07:56,770 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-08 22:07:56,773 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-08 22:07:56,787 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-08 22:07:56,787 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-08 22:07:56,788 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-08 22:07:56,788 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-08 22:07:56,788 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-08 22:07:56,788 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-08 22:07:56,788 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-08 22:07:56,788 INFO L153 SettingsManager]: * Use SBE=true [2025-03-08 22:07:56,788 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-08 22:07:56,788 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-08 22:07:56,788 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-08 22:07:56,788 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-08 22:07:56,788 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-08 22:07:56,788 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-08 22:07:56,789 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-08 22:07:56,789 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-08 22:07:56,789 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-08 22:07:56,789 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2025-03-08 22:07:56,789 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-03-08 22:07:56,789 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-08 22:07:56,789 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-08 22:07:56,789 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-08 22:07:56,789 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-08 22:07:56,789 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-08 22:07:56,789 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-08 22:07:56,789 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-08 22:07:56,789 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-08 22:07:56,789 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-08 22:07:56,789 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-08 22:07:56,789 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-08 22:07:56,789 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-08 22:07:56,789 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-08 22:07:56,790 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-08 22:07:56,790 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-08 22:07:56,790 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-08 22:07:56,790 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-08 22:07:56,790 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-08 22:07:56,790 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 -> d2c89f010e0f73e8ba7e81bb150b82b70d39c0827c0d616dd2c3347839d51e01 [2025-03-08 22:07:57,010 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-08 22:07:57,015 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-08 22:07:57,017 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-08 22:07:57,018 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-08 22:07:57,018 INFO L274 PluginConnector]: CDTParser initialized [2025-03-08 22:07:57,019 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/weaver/popl20-queue-add-3.wvr.c [2025-03-08 22:07:58,146 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2c3ea7ff5/980b29d465fb4428b7f5ed0d7416c8b8/FLAGc43b672e4 [2025-03-08 22:07:58,349 INFO L384 CDTParser]: Found 1 translation units. [2025-03-08 22:07:58,349 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/popl20-queue-add-3.wvr.c [2025-03-08 22:07:58,355 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2c3ea7ff5/980b29d465fb4428b7f5ed0d7416c8b8/FLAGc43b672e4 [2025-03-08 22:07:58,699 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2c3ea7ff5/980b29d465fb4428b7f5ed0d7416c8b8 [2025-03-08 22:07:58,701 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-08 22:07:58,702 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-08 22:07:58,703 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-08 22:07:58,703 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-08 22:07:58,707 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-08 22:07:58,708 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.03 10:07:58" (1/1) ... [2025-03-08 22:07:58,708 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@526c2332 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 10:07:58, skipping insertion in model container [2025-03-08 22:07:58,709 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.03 10:07:58" (1/1) ... [2025-03-08 22:07:58,722 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-08 22:07:58,885 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-08 22:07:58,892 INFO L200 MainTranslator]: Completed pre-run [2025-03-08 22:07:58,929 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-08 22:07:58,944 INFO L204 MainTranslator]: Completed translation [2025-03-08 22:07:58,945 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 10:07:58 WrapperNode [2025-03-08 22:07:58,946 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-08 22:07:58,946 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-08 22:07:58,946 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-08 22:07:58,947 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-08 22:07:58,951 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 10:07:58" (1/1) ... [2025-03-08 22:07:58,960 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 10:07:58" (1/1) ... [2025-03-08 22:07:58,998 INFO L138 Inliner]: procedures = 24, calls = 41, calls flagged for inlining = 17, calls inlined = 19, statements flattened = 447 [2025-03-08 22:07:58,999 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-08 22:07:58,999 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-08 22:07:58,999 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-08 22:07:58,999 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-08 22:07:59,004 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 10:07:58" (1/1) ... [2025-03-08 22:07:59,004 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 10:07:58" (1/1) ... [2025-03-08 22:07:59,011 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 10:07:58" (1/1) ... [2025-03-08 22:07:59,012 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 10:07:58" (1/1) ... [2025-03-08 22:07:59,031 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 10:07:58" (1/1) ... [2025-03-08 22:07:59,032 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 10:07:58" (1/1) ... [2025-03-08 22:07:59,034 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 10:07:58" (1/1) ... [2025-03-08 22:07:59,035 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 10:07:58" (1/1) ... [2025-03-08 22:07:59,037 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-08 22:07:59,038 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-08 22:07:59,038 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-08 22:07:59,038 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-08 22:07:59,039 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 10:07:58" (1/1) ... [2025-03-08 22:07:59,045 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-08 22:07:59,061 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-08 22:07:59,072 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) [2025-03-08 22:07:59,074 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 [2025-03-08 22:07:59,091 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-08 22:07:59,092 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2025-03-08 22:07:59,092 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2025-03-08 22:07:59,092 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2025-03-08 22:07:59,092 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2025-03-08 22:07:59,092 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2025-03-08 22:07:59,093 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2025-03-08 22:07:59,093 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2025-03-08 22:07:59,093 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2025-03-08 22:07:59,093 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2025-03-08 22:07:59,093 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2025-03-08 22:07:59,093 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-03-08 22:07:59,093 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-08 22:07:59,093 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-08 22:07:59,093 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2025-03-08 22:07:59,094 WARN L225 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2025-03-08 22:07:59,173 INFO L256 CfgBuilder]: Building ICFG [2025-03-08 22:07:59,174 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-08 22:07:59,702 INFO L303 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-03-08 22:07:59,702 INFO L307 CfgBuilder]: Performing block encoding [2025-03-08 22:07:59,925 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-08 22:07:59,925 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-08 22:07:59,926 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.03 10:07:59 BoogieIcfgContainer [2025-03-08 22:07:59,926 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-08 22:07:59,928 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-08 22:07:59,928 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-08 22:07:59,931 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-08 22:07:59,931 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.03 10:07:58" (1/3) ... [2025-03-08 22:07:59,931 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1cebbcef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.03 10:07:59, skipping insertion in model container [2025-03-08 22:07:59,931 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 10:07:58" (2/3) ... [2025-03-08 22:07:59,932 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1cebbcef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.03 10:07:59, skipping insertion in model container [2025-03-08 22:07:59,932 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.03 10:07:59" (3/3) ... [2025-03-08 22:07:59,932 INFO L128 eAbstractionObserver]: Analyzing ICFG popl20-queue-add-3.wvr.c [2025-03-08 22:07:59,944 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-08 22:07:59,945 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG popl20-queue-add-3.wvr.c that has 4 procedures, 336 locations, 1 initial locations, 5 loop locations, and 67 error locations. [2025-03-08 22:07:59,945 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-03-08 22:08:00,032 INFO L143 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2025-03-08 22:08:00,066 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 345 places, 349 transitions, 719 flow [2025-03-08 22:08:00,157 INFO L124 PetriNetUnfolderBase]: 14/346 cut-off events. [2025-03-08 22:08:00,158 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2025-03-08 22:08:00,164 INFO L83 FinitePrefix]: Finished finitePrefix Result has 359 conditions, 346 events. 14/346 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 542 event pairs, 0 based on Foata normal form. 0/265 useless extension candidates. Maximal degree in co-relation 295. Up to 2 conditions per place. [2025-03-08 22:08:00,164 INFO L82 GeneralOperation]: Start removeDead. Operand has 345 places, 349 transitions, 719 flow [2025-03-08 22:08:00,169 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 326 places, 329 transitions, 676 flow [2025-03-08 22:08:00,174 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-08 22:08:00,181 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;@2407fa57, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-08 22:08:00,182 INFO L334 AbstractCegarLoop]: Starting to check reachability of 119 error locations. [2025-03-08 22:08:00,186 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2025-03-08 22:08:00,187 INFO L124 PetriNetUnfolderBase]: 0/28 cut-off events. [2025-03-08 22:08:00,187 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-03-08 22:08:00,187 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-08 22:08:00,187 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 22:08:00,188 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONDATA_RACE === [thread1Err16ASSERT_VIOLATIONDATA_RACE, thread1Err7ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE, thread1Err5ASSERT_VIOLATIONDATA_RACE (and 115 more)] === [2025-03-08 22:08:00,192 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 22:08:00,192 INFO L85 PathProgramCache]: Analyzing trace with hash 1159609314, now seen corresponding path program 1 times [2025-03-08 22:08:00,197 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 22:08:00,197 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1035835029] [2025-03-08 22:08:00,198 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 22:08:00,198 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 22:08:00,246 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 28 statements into 1 equivalence classes. [2025-03-08 22:08:00,255 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 28 of 28 statements. [2025-03-08 22:08:00,256 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 22:08:00,256 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 22:08:00,321 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-08 22:08:00,322 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 22:08:00,322 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1035835029] [2025-03-08 22:08:00,322 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1035835029] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 22:08:00,322 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 22:08:00,323 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-08 22:08:00,324 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1211138080] [2025-03-08 22:08:00,324 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 22:08:00,330 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 22:08:00,335 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 22:08:00,352 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 22:08:00,352 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 22:08:00,385 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 274 out of 349 [2025-03-08 22:08:00,392 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 326 places, 329 transitions, 676 flow. Second operand has 3 states, 3 states have (on average 275.3333333333333) internal successors, (826), 3 states have internal predecessors, (826), 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) [2025-03-08 22:08:00,395 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-08 22:08:00,396 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 274 of 349 [2025-03-08 22:08:00,399 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-08 22:08:00,581 INFO L124 PetriNetUnfolderBase]: 78/595 cut-off events. [2025-03-08 22:08:00,581 INFO L125 PetriNetUnfolderBase]: For 42/42 co-relation queries the response was YES. [2025-03-08 22:08:00,585 INFO L83 FinitePrefix]: Finished finitePrefix Result has 772 conditions, 595 events. 78/595 cut-off events. For 42/42 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 2247 event pairs, 51 based on Foata normal form. 5/515 useless extension candidates. Maximal degree in co-relation 498. Up to 128 conditions per place. [2025-03-08 22:08:00,590 INFO L140 encePairwiseOnDemand]: 294/349 looper letters, 17 selfloop transitions, 2 changer transitions 5/276 dead transitions. [2025-03-08 22:08:00,591 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 283 places, 276 transitions, 608 flow [2025-03-08 22:08:00,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-08 22:08:00,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-08 22:08:00,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 894 transitions. [2025-03-08 22:08:00,604 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8538681948424068 [2025-03-08 22:08:00,606 INFO L175 Difference]: Start difference. First operand has 326 places, 329 transitions, 676 flow. Second operand 3 states and 894 transitions. [2025-03-08 22:08:00,608 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 283 places, 276 transitions, 608 flow [2025-03-08 22:08:00,612 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 277 places, 276 transitions, 596 flow, removed 0 selfloop flow, removed 6 redundant places. [2025-03-08 22:08:00,618 INFO L231 Difference]: Finished difference. Result has 277 places, 271 transitions, 552 flow [2025-03-08 22:08:00,620 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=349, PETRI_DIFFERENCE_MINUEND_FLOW=558, PETRI_DIFFERENCE_MINUEND_PLACES=275, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=276, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=274, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=552, PETRI_PLACES=277, PETRI_TRANSITIONS=271} [2025-03-08 22:08:00,624 INFO L279 CegarLoopForPetriNet]: 326 programPoint places, -49 predicate places. [2025-03-08 22:08:00,625 INFO L471 AbstractCegarLoop]: Abstraction has has 277 places, 271 transitions, 552 flow [2025-03-08 22:08:00,625 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 275.3333333333333) internal successors, (826), 3 states have internal predecessors, (826), 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) [2025-03-08 22:08:00,625 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-08 22:08:00,626 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] [2025-03-08 22:08:00,626 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-03-08 22:08:00,626 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONDATA_RACE === [thread1Err16ASSERT_VIOLATIONDATA_RACE, thread1Err7ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE, thread1Err5ASSERT_VIOLATIONDATA_RACE (and 115 more)] === [2025-03-08 22:08:00,626 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 22:08:00,626 INFO L85 PathProgramCache]: Analyzing trace with hash 1284652637, now seen corresponding path program 1 times [2025-03-08 22:08:00,627 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 22:08:00,627 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [92402975] [2025-03-08 22:08:00,627 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 22:08:00,627 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 22:08:00,637 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 36 statements into 1 equivalence classes. [2025-03-08 22:08:00,642 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 36 of 36 statements. [2025-03-08 22:08:00,642 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 22:08:00,642 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 22:08:00,681 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-08 22:08:00,682 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 22:08:00,682 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [92402975] [2025-03-08 22:08:00,682 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [92402975] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 22:08:00,682 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 22:08:00,682 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-08 22:08:00,682 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [179825030] [2025-03-08 22:08:00,683 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 22:08:00,684 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 22:08:00,684 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 22:08:00,684 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 22:08:00,684 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 22:08:00,703 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 276 out of 349 [2025-03-08 22:08:00,704 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 277 places, 271 transitions, 552 flow. Second operand has 3 states, 3 states have (on average 277.3333333333333) internal successors, (832), 3 states have internal predecessors, (832), 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) [2025-03-08 22:08:00,704 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-08 22:08:00,704 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 276 of 349 [2025-03-08 22:08:00,704 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-08 22:08:00,792 INFO L124 PetriNetUnfolderBase]: 55/509 cut-off events. [2025-03-08 22:08:00,792 INFO L125 PetriNetUnfolderBase]: For 8/9 co-relation queries the response was YES. [2025-03-08 22:08:00,794 INFO L83 FinitePrefix]: Finished finitePrefix Result has 618 conditions, 509 events. 55/509 cut-off events. For 8/9 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 1763 event pairs, 38 based on Foata normal form. 0/444 useless extension candidates. Maximal degree in co-relation 582. Up to 90 conditions per place. [2025-03-08 22:08:00,796 INFO L140 encePairwiseOnDemand]: 346/349 looper letters, 15 selfloop transitions, 2 changer transitions 0/270 dead transitions. [2025-03-08 22:08:00,796 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 273 places, 270 transitions, 584 flow [2025-03-08 22:08:00,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-08 22:08:00,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-08 22:08:00,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 846 transitions. [2025-03-08 22:08:00,800 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8080229226361032 [2025-03-08 22:08:00,800 INFO L175 Difference]: Start difference. First operand has 277 places, 271 transitions, 552 flow. Second operand 3 states and 846 transitions. [2025-03-08 22:08:00,800 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 273 places, 270 transitions, 584 flow [2025-03-08 22:08:00,804 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 271 places, 270 transitions, 580 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-03-08 22:08:00,809 INFO L231 Difference]: Finished difference. Result has 271 places, 270 transitions, 550 flow [2025-03-08 22:08:00,810 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=349, PETRI_DIFFERENCE_MINUEND_FLOW=546, PETRI_DIFFERENCE_MINUEND_PLACES=269, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=270, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=268, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=550, PETRI_PLACES=271, PETRI_TRANSITIONS=270} [2025-03-08 22:08:00,810 INFO L279 CegarLoopForPetriNet]: 326 programPoint places, -55 predicate places. [2025-03-08 22:08:00,810 INFO L471 AbstractCegarLoop]: Abstraction has has 271 places, 270 transitions, 550 flow [2025-03-08 22:08:00,811 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 277.3333333333333) internal successors, (832), 3 states have internal predecessors, (832), 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) [2025-03-08 22:08:00,811 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-08 22:08:00,811 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] [2025-03-08 22:08:00,811 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-03-08 22:08:00,811 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE === [thread1Err16ASSERT_VIOLATIONDATA_RACE, thread1Err7ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE, thread1Err5ASSERT_VIOLATIONDATA_RACE (and 115 more)] === [2025-03-08 22:08:00,812 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 22:08:00,813 INFO L85 PathProgramCache]: Analyzing trace with hash -1027942403, now seen corresponding path program 1 times [2025-03-08 22:08:00,813 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 22:08:00,816 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [718454602] [2025-03-08 22:08:00,816 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 22:08:00,817 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 22:08:00,824 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 44 statements into 1 equivalence classes. [2025-03-08 22:08:00,827 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 44 of 44 statements. [2025-03-08 22:08:00,829 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 22:08:00,829 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 22:08:00,883 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-08 22:08:00,883 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 22:08:00,883 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [718454602] [2025-03-08 22:08:00,883 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [718454602] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 22:08:00,883 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 22:08:00,883 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-08 22:08:00,883 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [511628271] [2025-03-08 22:08:00,883 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 22:08:00,883 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 22:08:00,883 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 22:08:00,884 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 22:08:00,884 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 22:08:00,899 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 276 out of 349 [2025-03-08 22:08:00,900 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 271 places, 270 transitions, 550 flow. Second operand has 3 states, 3 states have (on average 277.3333333333333) internal successors, (832), 3 states have internal predecessors, (832), 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) [2025-03-08 22:08:00,900 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-08 22:08:00,900 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 276 of 349 [2025-03-08 22:08:00,900 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-08 22:08:00,983 INFO L124 PetriNetUnfolderBase]: 55/508 cut-off events. [2025-03-08 22:08:00,983 INFO L125 PetriNetUnfolderBase]: For 8/9 co-relation queries the response was YES. [2025-03-08 22:08:00,985 INFO L83 FinitePrefix]: Finished finitePrefix Result has 617 conditions, 508 events. 55/508 cut-off events. For 8/9 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 1760 event pairs, 38 based on Foata normal form. 0/444 useless extension candidates. Maximal degree in co-relation 573. Up to 90 conditions per place. [2025-03-08 22:08:00,986 INFO L140 encePairwiseOnDemand]: 346/349 looper letters, 15 selfloop transitions, 2 changer transitions 0/269 dead transitions. [2025-03-08 22:08:00,986 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 272 places, 269 transitions, 582 flow [2025-03-08 22:08:00,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-08 22:08:00,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-08 22:08:00,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 846 transitions. [2025-03-08 22:08:00,990 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8080229226361032 [2025-03-08 22:08:00,990 INFO L175 Difference]: Start difference. First operand has 271 places, 270 transitions, 550 flow. Second operand 3 states and 846 transitions. [2025-03-08 22:08:00,990 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 272 places, 269 transitions, 582 flow [2025-03-08 22:08:00,991 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 270 places, 269 transitions, 578 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-03-08 22:08:00,993 INFO L231 Difference]: Finished difference. Result has 270 places, 269 transitions, 548 flow [2025-03-08 22:08:00,994 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=349, PETRI_DIFFERENCE_MINUEND_FLOW=544, PETRI_DIFFERENCE_MINUEND_PLACES=268, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=269, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=267, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=548, PETRI_PLACES=270, PETRI_TRANSITIONS=269} [2025-03-08 22:08:00,995 INFO L279 CegarLoopForPetriNet]: 326 programPoint places, -56 predicate places. [2025-03-08 22:08:00,995 INFO L471 AbstractCegarLoop]: Abstraction has has 270 places, 269 transitions, 548 flow [2025-03-08 22:08:00,995 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 277.3333333333333) internal successors, (832), 3 states have internal predecessors, (832), 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) [2025-03-08 22:08:00,995 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-08 22:08:00,995 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] [2025-03-08 22:08:00,996 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-03-08 22:08:00,996 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [thread1Err16ASSERT_VIOLATIONDATA_RACE, thread1Err7ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE, thread1Err5ASSERT_VIOLATIONDATA_RACE (and 115 more)] === [2025-03-08 22:08:00,996 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 22:08:00,996 INFO L85 PathProgramCache]: Analyzing trace with hash 1245980733, now seen corresponding path program 1 times [2025-03-08 22:08:00,996 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 22:08:00,996 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1164179279] [2025-03-08 22:08:00,996 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 22:08:00,996 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 22:08:01,005 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 52 statements into 1 equivalence classes. [2025-03-08 22:08:01,013 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 52 of 52 statements. [2025-03-08 22:08:01,014 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 22:08:01,014 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 22:08:01,052 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-08 22:08:01,053 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 22:08:01,053 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1164179279] [2025-03-08 22:08:01,053 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1164179279] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 22:08:01,053 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 22:08:01,053 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-08 22:08:01,053 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1975833199] [2025-03-08 22:08:01,053 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 22:08:01,054 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 22:08:01,054 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 22:08:01,054 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 22:08:01,054 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 22:08:01,064 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 276 out of 349 [2025-03-08 22:08:01,065 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 270 places, 269 transitions, 548 flow. Second operand has 3 states, 3 states have (on average 277.3333333333333) internal successors, (832), 3 states have internal predecessors, (832), 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) [2025-03-08 22:08:01,065 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-08 22:08:01,065 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 276 of 349 [2025-03-08 22:08:01,065 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-08 22:08:01,159 INFO L124 PetriNetUnfolderBase]: 55/507 cut-off events. [2025-03-08 22:08:01,159 INFO L125 PetriNetUnfolderBase]: For 8/9 co-relation queries the response was YES. [2025-03-08 22:08:01,160 INFO L83 FinitePrefix]: Finished finitePrefix Result has 616 conditions, 507 events. 55/507 cut-off events. For 8/9 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 1756 event pairs, 38 based on Foata normal form. 0/444 useless extension candidates. Maximal degree in co-relation 564. Up to 90 conditions per place. [2025-03-08 22:08:01,163 INFO L140 encePairwiseOnDemand]: 346/349 looper letters, 15 selfloop transitions, 2 changer transitions 0/268 dead transitions. [2025-03-08 22:08:01,163 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 271 places, 268 transitions, 580 flow [2025-03-08 22:08:01,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-08 22:08:01,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-08 22:08:01,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 846 transitions. [2025-03-08 22:08:01,165 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8080229226361032 [2025-03-08 22:08:01,165 INFO L175 Difference]: Start difference. First operand has 270 places, 269 transitions, 548 flow. Second operand 3 states and 846 transitions. [2025-03-08 22:08:01,165 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 271 places, 268 transitions, 580 flow [2025-03-08 22:08:01,166 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 269 places, 268 transitions, 576 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-03-08 22:08:01,169 INFO L231 Difference]: Finished difference. Result has 269 places, 268 transitions, 546 flow [2025-03-08 22:08:01,170 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=349, PETRI_DIFFERENCE_MINUEND_FLOW=542, PETRI_DIFFERENCE_MINUEND_PLACES=267, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=268, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=266, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=546, PETRI_PLACES=269, PETRI_TRANSITIONS=268} [2025-03-08 22:08:01,170 INFO L279 CegarLoopForPetriNet]: 326 programPoint places, -57 predicate places. [2025-03-08 22:08:01,170 INFO L471 AbstractCegarLoop]: Abstraction has has 269 places, 268 transitions, 546 flow [2025-03-08 22:08:01,171 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 277.3333333333333) internal successors, (832), 3 states have internal predecessors, (832), 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) [2025-03-08 22:08:01,171 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-08 22:08:01,171 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] [2025-03-08 22:08:01,171 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-03-08 22:08:01,171 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [thread1Err16ASSERT_VIOLATIONDATA_RACE, thread1Err7ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE, thread1Err5ASSERT_VIOLATIONDATA_RACE (and 115 more)] === [2025-03-08 22:08:01,172 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 22:08:01,172 INFO L85 PathProgramCache]: Analyzing trace with hash -1049036912, now seen corresponding path program 1 times [2025-03-08 22:08:01,172 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 22:08:01,172 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1586289266] [2025-03-08 22:08:01,172 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 22:08:01,172 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 22:08:01,178 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 56 statements into 1 equivalence classes. [2025-03-08 22:08:01,181 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 56 of 56 statements. [2025-03-08 22:08:01,181 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 22:08:01,181 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 22:08:01,212 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-08 22:08:01,212 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 22:08:01,212 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1586289266] [2025-03-08 22:08:01,212 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1586289266] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 22:08:01,212 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 22:08:01,212 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-08 22:08:01,212 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1774239015] [2025-03-08 22:08:01,212 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 22:08:01,213 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 22:08:01,213 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 22:08:01,213 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 22:08:01,213 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 22:08:01,222 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 280 out of 349 [2025-03-08 22:08:01,223 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 269 places, 268 transitions, 546 flow. Second operand has 3 states, 3 states have (on average 281.0) internal successors, (843), 3 states have internal predecessors, (843), 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) [2025-03-08 22:08:01,223 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-08 22:08:01,223 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 280 of 349 [2025-03-08 22:08:01,223 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-08 22:08:01,327 INFO L124 PetriNetUnfolderBase]: 55/522 cut-off events. [2025-03-08 22:08:01,328 INFO L125 PetriNetUnfolderBase]: For 9/9 co-relation queries the response was YES. [2025-03-08 22:08:01,329 INFO L83 FinitePrefix]: Finished finitePrefix Result has 631 conditions, 522 events. 55/522 cut-off events. For 9/9 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 1844 event pairs, 7 based on Foata normal form. 0/461 useless extension candidates. Maximal degree in co-relation 571. Up to 69 conditions per place. [2025-03-08 22:08:01,331 INFO L140 encePairwiseOnDemand]: 346/349 looper letters, 18 selfloop transitions, 2 changer transitions 0/273 dead transitions. [2025-03-08 22:08:01,331 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 270 places, 273 transitions, 598 flow [2025-03-08 22:08:01,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-08 22:08:01,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-08 22:08:01,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 861 transitions. [2025-03-08 22:08:01,334 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8223495702005731 [2025-03-08 22:08:01,335 INFO L175 Difference]: Start difference. First operand has 269 places, 268 transitions, 546 flow. Second operand 3 states and 861 transitions. [2025-03-08 22:08:01,335 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 270 places, 273 transitions, 598 flow [2025-03-08 22:08:01,336 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 268 places, 273 transitions, 594 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-03-08 22:08:01,340 INFO L231 Difference]: Finished difference. Result has 269 places, 268 transitions, 550 flow [2025-03-08 22:08:01,341 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=349, PETRI_DIFFERENCE_MINUEND_FLOW=540, PETRI_DIFFERENCE_MINUEND_PLACES=266, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=267, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=265, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=550, PETRI_PLACES=269, PETRI_TRANSITIONS=268} [2025-03-08 22:08:01,341 INFO L279 CegarLoopForPetriNet]: 326 programPoint places, -57 predicate places. [2025-03-08 22:08:01,341 INFO L471 AbstractCegarLoop]: Abstraction has has 269 places, 268 transitions, 550 flow [2025-03-08 22:08:01,342 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 281.0) internal successors, (843), 3 states have internal predecessors, (843), 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) [2025-03-08 22:08:01,342 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-08 22:08:01,342 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] [2025-03-08 22:08:01,342 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-03-08 22:08:01,342 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE === [thread1Err16ASSERT_VIOLATIONDATA_RACE, thread1Err7ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE, thread1Err5ASSERT_VIOLATIONDATA_RACE (and 115 more)] === [2025-03-08 22:08:01,343 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 22:08:01,343 INFO L85 PathProgramCache]: Analyzing trace with hash -407025427, now seen corresponding path program 1 times [2025-03-08 22:08:01,343 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 22:08:01,343 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [904896613] [2025-03-08 22:08:01,343 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 22:08:01,343 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 22:08:01,349 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 60 statements into 1 equivalence classes. [2025-03-08 22:08:01,352 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 60 of 60 statements. [2025-03-08 22:08:01,352 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 22:08:01,352 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 22:08:01,385 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-08 22:08:01,385 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 22:08:01,385 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [904896613] [2025-03-08 22:08:01,386 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [904896613] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 22:08:01,386 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 22:08:01,386 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-08 22:08:01,386 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1586489748] [2025-03-08 22:08:01,386 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 22:08:01,386 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 22:08:01,386 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 22:08:01,386 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 22:08:01,386 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 22:08:01,396 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 277 out of 349 [2025-03-08 22:08:01,397 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 269 places, 268 transitions, 550 flow. Second operand has 3 states, 3 states have (on average 278.3333333333333) internal successors, (835), 3 states have internal predecessors, (835), 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) [2025-03-08 22:08:01,397 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-08 22:08:01,397 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 277 of 349 [2025-03-08 22:08:01,397 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-08 22:08:01,490 INFO L124 PetriNetUnfolderBase]: 55/508 cut-off events. [2025-03-08 22:08:01,491 INFO L125 PetriNetUnfolderBase]: For 31/32 co-relation queries the response was YES. [2025-03-08 22:08:01,492 INFO L83 FinitePrefix]: Finished finitePrefix Result has 652 conditions, 508 events. 55/508 cut-off events. For 31/32 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 1797 event pairs, 38 based on Foata normal form. 0/447 useless extension candidates. Maximal degree in co-relation 283. Up to 92 conditions per place. [2025-03-08 22:08:01,495 INFO L140 encePairwiseOnDemand]: 346/349 looper letters, 15 selfloop transitions, 2 changer transitions 0/267 dead transitions. [2025-03-08 22:08:01,495 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 270 places, 267 transitions, 582 flow [2025-03-08 22:08:01,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-08 22:08:01,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-08 22:08:01,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 848 transitions. [2025-03-08 22:08:01,497 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8099331423113658 [2025-03-08 22:08:01,497 INFO L175 Difference]: Start difference. First operand has 269 places, 268 transitions, 550 flow. Second operand 3 states and 848 transitions. [2025-03-08 22:08:01,497 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 270 places, 267 transitions, 582 flow [2025-03-08 22:08:01,500 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 269 places, 267 transitions, 580 flow, removed 0 selfloop flow, removed 1 redundant places. [2025-03-08 22:08:01,502 INFO L231 Difference]: Finished difference. Result has 269 places, 267 transitions, 550 flow [2025-03-08 22:08:01,503 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=349, PETRI_DIFFERENCE_MINUEND_FLOW=546, PETRI_DIFFERENCE_MINUEND_PLACES=267, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=267, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=265, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=550, PETRI_PLACES=269, PETRI_TRANSITIONS=267} [2025-03-08 22:08:01,505 INFO L279 CegarLoopForPetriNet]: 326 programPoint places, -57 predicate places. [2025-03-08 22:08:01,505 INFO L471 AbstractCegarLoop]: Abstraction has has 269 places, 267 transitions, 550 flow [2025-03-08 22:08:01,506 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 278.3333333333333) internal successors, (835), 3 states have internal predecessors, (835), 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) [2025-03-08 22:08:01,506 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-08 22:08:01,506 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] [2025-03-08 22:08:01,506 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2025-03-08 22:08:01,506 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE === [thread1Err16ASSERT_VIOLATIONDATA_RACE, thread1Err7ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE, thread1Err5ASSERT_VIOLATIONDATA_RACE (and 115 more)] === [2025-03-08 22:08:01,507 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 22:08:01,507 INFO L85 PathProgramCache]: Analyzing trace with hash 1564290070, now seen corresponding path program 1 times [2025-03-08 22:08:01,507 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 22:08:01,507 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1401086604] [2025-03-08 22:08:01,507 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 22:08:01,507 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 22:08:01,515 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 67 statements into 1 equivalence classes. [2025-03-08 22:08:01,524 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 67 of 67 statements. [2025-03-08 22:08:01,525 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 22:08:01,525 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 22:08:01,551 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-08 22:08:01,551 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 22:08:01,551 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1401086604] [2025-03-08 22:08:01,551 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1401086604] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 22:08:01,551 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 22:08:01,551 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-08 22:08:01,552 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2075585016] [2025-03-08 22:08:01,552 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 22:08:01,552 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 22:08:01,552 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 22:08:01,552 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 22:08:01,552 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 22:08:01,562 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 276 out of 349 [2025-03-08 22:08:01,563 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 269 places, 267 transitions, 550 flow. Second operand has 3 states, 3 states have (on average 277.3333333333333) internal successors, (832), 3 states have internal predecessors, (832), 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) [2025-03-08 22:08:01,563 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-08 22:08:01,563 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 276 of 349 [2025-03-08 22:08:01,564 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-08 22:08:01,641 INFO L124 PetriNetUnfolderBase]: 55/507 cut-off events. [2025-03-08 22:08:01,642 INFO L125 PetriNetUnfolderBase]: For 30/31 co-relation queries the response was YES. [2025-03-08 22:08:01,644 INFO L83 FinitePrefix]: Finished finitePrefix Result has 643 conditions, 507 events. 55/507 cut-off events. For 30/31 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 1784 event pairs, 38 based on Foata normal form. 0/447 useless extension candidates. Maximal degree in co-relation 574. Up to 93 conditions per place. [2025-03-08 22:08:01,646 INFO L140 encePairwiseOnDemand]: 346/349 looper letters, 16 selfloop transitions, 2 changer transitions 0/266 dead transitions. [2025-03-08 22:08:01,646 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 270 places, 266 transitions, 584 flow [2025-03-08 22:08:01,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-08 22:08:01,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-08 22:08:01,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 846 transitions. [2025-03-08 22:08:01,648 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8080229226361032 [2025-03-08 22:08:01,648 INFO L175 Difference]: Start difference. First operand has 269 places, 267 transitions, 550 flow. Second operand 3 states and 846 transitions. [2025-03-08 22:08:01,648 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 270 places, 266 transitions, 584 flow [2025-03-08 22:08:01,649 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 268 places, 266 transitions, 580 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-03-08 22:08:01,651 INFO L231 Difference]: Finished difference. Result has 268 places, 266 transitions, 548 flow [2025-03-08 22:08:01,651 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=349, PETRI_DIFFERENCE_MINUEND_FLOW=544, PETRI_DIFFERENCE_MINUEND_PLACES=266, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=266, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=264, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=548, PETRI_PLACES=268, PETRI_TRANSITIONS=266} [2025-03-08 22:08:01,653 INFO L279 CegarLoopForPetriNet]: 326 programPoint places, -58 predicate places. [2025-03-08 22:08:01,653 INFO L471 AbstractCegarLoop]: Abstraction has has 268 places, 266 transitions, 548 flow [2025-03-08 22:08:01,653 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 277.3333333333333) internal successors, (832), 3 states have internal predecessors, (832), 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) [2025-03-08 22:08:01,653 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-08 22:08:01,654 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] [2025-03-08 22:08:01,654 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2025-03-08 22:08:01,654 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [thread1Err16ASSERT_VIOLATIONDATA_RACE, thread1Err7ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE, thread1Err5ASSERT_VIOLATIONDATA_RACE (and 115 more)] === [2025-03-08 22:08:01,655 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 22:08:01,655 INFO L85 PathProgramCache]: Analyzing trace with hash -440969356, now seen corresponding path program 1 times [2025-03-08 22:08:01,655 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 22:08:01,655 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [670955765] [2025-03-08 22:08:01,655 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 22:08:01,655 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 22:08:01,662 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 71 statements into 1 equivalence classes. [2025-03-08 22:08:01,669 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 71 of 71 statements. [2025-03-08 22:08:01,673 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 22:08:01,674 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 22:08:01,708 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-08 22:08:01,708 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 22:08:01,708 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [670955765] [2025-03-08 22:08:01,708 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [670955765] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 22:08:01,708 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 22:08:01,708 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-08 22:08:01,708 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1135011878] [2025-03-08 22:08:01,709 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 22:08:01,709 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 22:08:01,709 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 22:08:01,709 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 22:08:01,709 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 22:08:01,719 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 280 out of 349 [2025-03-08 22:08:01,719 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 268 places, 266 transitions, 548 flow. Second operand has 3 states, 3 states have (on average 281.0) internal successors, (843), 3 states have internal predecessors, (843), 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) [2025-03-08 22:08:01,720 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-08 22:08:01,720 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 280 of 349 [2025-03-08 22:08:01,720 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-08 22:08:01,804 INFO L124 PetriNetUnfolderBase]: 65/597 cut-off events. [2025-03-08 22:08:01,804 INFO L125 PetriNetUnfolderBase]: For 31/31 co-relation queries the response was YES. [2025-03-08 22:08:01,805 INFO L83 FinitePrefix]: Finished finitePrefix Result has 743 conditions, 597 events. 65/597 cut-off events. For 31/31 co-relation queries the response was YES. Maximal size of possible extension queue 25. Compared 2431 event pairs, 20 based on Foata normal form. 0/521 useless extension candidates. Maximal degree in co-relation 666. Up to 54 conditions per place. [2025-03-08 22:08:01,808 INFO L140 encePairwiseOnDemand]: 346/349 looper letters, 21 selfloop transitions, 2 changer transitions 0/273 dead transitions. [2025-03-08 22:08:01,808 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 269 places, 273 transitions, 614 flow [2025-03-08 22:08:01,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-08 22:08:01,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-08 22:08:01,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 862 transitions. [2025-03-08 22:08:01,810 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8233046800382043 [2025-03-08 22:08:01,810 INFO L175 Difference]: Start difference. First operand has 268 places, 266 transitions, 548 flow. Second operand 3 states and 862 transitions. [2025-03-08 22:08:01,810 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 269 places, 273 transitions, 614 flow [2025-03-08 22:08:01,811 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 267 places, 273 transitions, 610 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-03-08 22:08:01,813 INFO L231 Difference]: Finished difference. Result has 268 places, 266 transitions, 552 flow [2025-03-08 22:08:01,813 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=349, PETRI_DIFFERENCE_MINUEND_FLOW=542, PETRI_DIFFERENCE_MINUEND_PLACES=265, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=265, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=263, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=552, PETRI_PLACES=268, PETRI_TRANSITIONS=266} [2025-03-08 22:08:01,813 INFO L279 CegarLoopForPetriNet]: 326 programPoint places, -58 predicate places. [2025-03-08 22:08:01,813 INFO L471 AbstractCegarLoop]: Abstraction has has 268 places, 266 transitions, 552 flow [2025-03-08 22:08:01,814 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 281.0) internal successors, (843), 3 states have internal predecessors, (843), 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) [2025-03-08 22:08:01,814 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-08 22:08:01,814 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] [2025-03-08 22:08:01,814 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2025-03-08 22:08:01,814 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [thread1Err16ASSERT_VIOLATIONDATA_RACE, thread1Err7ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE, thread1Err5ASSERT_VIOLATIONDATA_RACE (and 115 more)] === [2025-03-08 22:08:01,815 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 22:08:01,815 INFO L85 PathProgramCache]: Analyzing trace with hash 74037891, now seen corresponding path program 1 times [2025-03-08 22:08:01,815 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 22:08:01,815 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [570951254] [2025-03-08 22:08:01,815 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 22:08:01,815 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 22:08:01,819 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 75 statements into 1 equivalence classes. [2025-03-08 22:08:01,824 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 75 of 75 statements. [2025-03-08 22:08:01,824 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 22:08:01,825 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 22:08:01,858 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-08 22:08:01,858 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 22:08:01,858 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [570951254] [2025-03-08 22:08:01,858 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [570951254] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 22:08:01,858 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 22:08:01,858 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-08 22:08:01,858 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1863666763] [2025-03-08 22:08:01,858 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 22:08:01,858 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 22:08:01,858 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 22:08:01,859 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 22:08:01,859 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 22:08:01,866 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 277 out of 349 [2025-03-08 22:08:01,867 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 268 places, 266 transitions, 552 flow. Second operand has 3 states, 3 states have (on average 278.3333333333333) internal successors, (835), 3 states have internal predecessors, (835), 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) [2025-03-08 22:08:01,867 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-08 22:08:01,867 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 277 of 349 [2025-03-08 22:08:01,867 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-08 22:08:01,930 INFO L124 PetriNetUnfolderBase]: 65/518 cut-off events. [2025-03-08 22:08:01,931 INFO L125 PetriNetUnfolderBase]: For 57/58 co-relation queries the response was YES. [2025-03-08 22:08:01,931 INFO L83 FinitePrefix]: Finished finitePrefix Result has 705 conditions, 518 events. 65/518 cut-off events. For 57/58 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 1821 event pairs, 38 based on Foata normal form. 0/452 useless extension candidates. Maximal degree in co-relation 399. Up to 105 conditions per place. [2025-03-08 22:08:01,933 INFO L140 encePairwiseOnDemand]: 346/349 looper letters, 16 selfloop transitions, 2 changer transitions 0/265 dead transitions. [2025-03-08 22:08:01,933 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 269 places, 265 transitions, 586 flow [2025-03-08 22:08:01,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-08 22:08:01,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-08 22:08:01,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 848 transitions. [2025-03-08 22:08:01,934 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8099331423113658 [2025-03-08 22:08:01,934 INFO L175 Difference]: Start difference. First operand has 268 places, 266 transitions, 552 flow. Second operand 3 states and 848 transitions. [2025-03-08 22:08:01,935 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 269 places, 265 transitions, 586 flow [2025-03-08 22:08:01,936 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 268 places, 265 transitions, 584 flow, removed 0 selfloop flow, removed 1 redundant places. [2025-03-08 22:08:01,939 INFO L231 Difference]: Finished difference. Result has 268 places, 265 transitions, 552 flow [2025-03-08 22:08:01,939 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=349, PETRI_DIFFERENCE_MINUEND_FLOW=548, PETRI_DIFFERENCE_MINUEND_PLACES=266, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=265, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=263, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=552, PETRI_PLACES=268, PETRI_TRANSITIONS=265} [2025-03-08 22:08:01,939 INFO L279 CegarLoopForPetriNet]: 326 programPoint places, -58 predicate places. [2025-03-08 22:08:01,939 INFO L471 AbstractCegarLoop]: Abstraction has has 268 places, 265 transitions, 552 flow [2025-03-08 22:08:01,940 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 278.3333333333333) internal successors, (835), 3 states have internal predecessors, (835), 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) [2025-03-08 22:08:01,940 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-08 22:08:01,940 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] [2025-03-08 22:08:01,940 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2025-03-08 22:08:01,940 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [thread1Err16ASSERT_VIOLATIONDATA_RACE, thread1Err7ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE, thread1Err5ASSERT_VIOLATIONDATA_RACE (and 115 more)] === [2025-03-08 22:08:01,940 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 22:08:01,941 INFO L85 PathProgramCache]: Analyzing trace with hash -1949361672, now seen corresponding path program 1 times [2025-03-08 22:08:01,941 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 22:08:01,941 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1327507219] [2025-03-08 22:08:01,941 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 22:08:01,941 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 22:08:01,946 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 78 statements into 1 equivalence classes. [2025-03-08 22:08:01,948 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 78 of 78 statements. [2025-03-08 22:08:01,948 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 22:08:01,948 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 22:08:01,966 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-08 22:08:01,966 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 22:08:01,966 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1327507219] [2025-03-08 22:08:01,966 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1327507219] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 22:08:01,966 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 22:08:01,966 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-08 22:08:01,966 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [251497964] [2025-03-08 22:08:01,966 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 22:08:01,967 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 22:08:01,967 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 22:08:01,967 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 22:08:01,967 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 22:08:01,975 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 280 out of 349 [2025-03-08 22:08:01,976 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 268 places, 265 transitions, 552 flow. Second operand has 3 states, 3 states have (on average 281.0) internal successors, (843), 3 states have internal predecessors, (843), 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) [2025-03-08 22:08:01,976 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-08 22:08:01,976 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 280 of 349 [2025-03-08 22:08:01,976 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-08 22:08:02,034 INFO L124 PetriNetUnfolderBase]: 65/517 cut-off events. [2025-03-08 22:08:02,034 INFO L125 PetriNetUnfolderBase]: For 56/57 co-relation queries the response was YES. [2025-03-08 22:08:02,035 INFO L83 FinitePrefix]: Finished finitePrefix Result has 691 conditions, 517 events. 65/517 cut-off events. For 56/57 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 1818 event pairs, 38 based on Foata normal form. 0/452 useless extension candidates. Maximal degree in co-relation 605. Up to 103 conditions per place. [2025-03-08 22:08:02,036 INFO L140 encePairwiseOnDemand]: 347/349 looper letters, 15 selfloop transitions, 1 changer transitions 0/264 dead transitions. [2025-03-08 22:08:02,036 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 269 places, 264 transitions, 582 flow [2025-03-08 22:08:02,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-08 22:08:02,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-08 22:08:02,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 855 transitions. [2025-03-08 22:08:02,038 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8166189111747851 [2025-03-08 22:08:02,038 INFO L175 Difference]: Start difference. First operand has 268 places, 265 transitions, 552 flow. Second operand 3 states and 855 transitions. [2025-03-08 22:08:02,038 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 269 places, 264 transitions, 582 flow [2025-03-08 22:08:02,039 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 267 places, 264 transitions, 578 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-03-08 22:08:02,041 INFO L231 Difference]: Finished difference. Result has 267 places, 264 transitions, 548 flow [2025-03-08 22:08:02,041 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=349, PETRI_DIFFERENCE_MINUEND_FLOW=546, PETRI_DIFFERENCE_MINUEND_PLACES=265, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=264, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=263, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=548, PETRI_PLACES=267, PETRI_TRANSITIONS=264} [2025-03-08 22:08:02,042 INFO L279 CegarLoopForPetriNet]: 326 programPoint places, -59 predicate places. [2025-03-08 22:08:02,042 INFO L471 AbstractCegarLoop]: Abstraction has has 267 places, 264 transitions, 548 flow [2025-03-08 22:08:02,042 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 281.0) internal successors, (843), 3 states have internal predecessors, (843), 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) [2025-03-08 22:08:02,042 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-08 22:08:02,042 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 22:08:02,043 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2025-03-08 22:08:02,043 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [thread1Err16ASSERT_VIOLATIONDATA_RACE, thread1Err7ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE, thread1Err5ASSERT_VIOLATIONDATA_RACE (and 115 more)] === [2025-03-08 22:08:02,043 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 22:08:02,043 INFO L85 PathProgramCache]: Analyzing trace with hash -2139719204, now seen corresponding path program 1 times [2025-03-08 22:08:02,043 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 22:08:02,043 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1095437566] [2025-03-08 22:08:02,043 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 22:08:02,044 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 22:08:02,050 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 108 statements into 1 equivalence classes. [2025-03-08 22:08:02,055 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 108 of 108 statements. [2025-03-08 22:08:02,055 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 22:08:02,055 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 22:08:02,074 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-08 22:08:02,075 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 22:08:02,075 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1095437566] [2025-03-08 22:08:02,075 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1095437566] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 22:08:02,075 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 22:08:02,075 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-08 22:08:02,075 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [80552005] [2025-03-08 22:08:02,075 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 22:08:02,075 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 22:08:02,075 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 22:08:02,076 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 22:08:02,076 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 22:08:02,084 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 277 out of 349 [2025-03-08 22:08:02,085 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 267 places, 264 transitions, 548 flow. Second operand has 3 states, 3 states have (on average 278.3333333333333) internal successors, (835), 3 states have internal predecessors, (835), 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) [2025-03-08 22:08:02,085 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-08 22:08:02,085 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 277 of 349 [2025-03-08 22:08:02,085 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-08 22:08:02,144 INFO L124 PetriNetUnfolderBase]: 65/516 cut-off events. [2025-03-08 22:08:02,145 INFO L125 PetriNetUnfolderBase]: For 56/57 co-relation queries the response was YES. [2025-03-08 22:08:02,146 INFO L83 FinitePrefix]: Finished finitePrefix Result has 691 conditions, 516 events. 65/516 cut-off events. For 56/57 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 1807 event pairs, 38 based on Foata normal form. 0/452 useless extension candidates. Maximal degree in co-relation 605. Up to 105 conditions per place. [2025-03-08 22:08:02,147 INFO L140 encePairwiseOnDemand]: 346/349 looper letters, 16 selfloop transitions, 2 changer transitions 0/263 dead transitions. [2025-03-08 22:08:02,147 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 268 places, 263 transitions, 582 flow [2025-03-08 22:08:02,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-08 22:08:02,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-08 22:08:02,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 848 transitions. [2025-03-08 22:08:02,149 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8099331423113658 [2025-03-08 22:08:02,149 INFO L175 Difference]: Start difference. First operand has 267 places, 264 transitions, 548 flow. Second operand 3 states and 848 transitions. [2025-03-08 22:08:02,149 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 268 places, 263 transitions, 582 flow [2025-03-08 22:08:02,150 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 267 places, 263 transitions, 581 flow, removed 0 selfloop flow, removed 1 redundant places. [2025-03-08 22:08:02,152 INFO L231 Difference]: Finished difference. Result has 267 places, 263 transitions, 549 flow [2025-03-08 22:08:02,152 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=349, PETRI_DIFFERENCE_MINUEND_FLOW=545, PETRI_DIFFERENCE_MINUEND_PLACES=265, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=263, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=261, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=549, PETRI_PLACES=267, PETRI_TRANSITIONS=263} [2025-03-08 22:08:02,153 INFO L279 CegarLoopForPetriNet]: 326 programPoint places, -59 predicate places. [2025-03-08 22:08:02,153 INFO L471 AbstractCegarLoop]: Abstraction has has 267 places, 263 transitions, 549 flow [2025-03-08 22:08:02,153 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 278.3333333333333) internal successors, (835), 3 states have internal predecessors, (835), 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) [2025-03-08 22:08:02,153 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-08 22:08:02,153 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 22:08:02,153 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2025-03-08 22:08:02,153 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [thread1Err16ASSERT_VIOLATIONDATA_RACE, thread1Err7ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE, thread1Err5ASSERT_VIOLATIONDATA_RACE (and 115 more)] === [2025-03-08 22:08:02,154 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 22:08:02,154 INFO L85 PathProgramCache]: Analyzing trace with hash 2117756393, now seen corresponding path program 1 times [2025-03-08 22:08:02,154 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 22:08:02,154 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1027371135] [2025-03-08 22:08:02,154 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 22:08:02,154 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 22:08:02,160 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 108 statements into 1 equivalence classes. [2025-03-08 22:08:02,176 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 108 of 108 statements. [2025-03-08 22:08:02,176 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 22:08:02,176 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 22:08:02,558 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-08 22:08:02,558 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 22:08:02,559 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1027371135] [2025-03-08 22:08:02,559 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1027371135] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 22:08:02,559 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 22:08:02,559 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-08 22:08:02,559 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [927991100] [2025-03-08 22:08:02,559 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 22:08:02,559 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-08 22:08:02,559 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 22:08:02,559 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-08 22:08:02,559 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2025-03-08 22:08:02,675 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 256 out of 349 [2025-03-08 22:08:02,677 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 267 places, 263 transitions, 549 flow. Second operand has 6 states, 6 states have (on average 257.5) internal successors, (1545), 6 states have internal predecessors, (1545), 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) [2025-03-08 22:08:02,677 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-08 22:08:02,677 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 256 of 349 [2025-03-08 22:08:02,677 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-08 22:08:02,751 INFO L124 PetriNetUnfolderBase]: 65/514 cut-off events. [2025-03-08 22:08:02,751 INFO L125 PetriNetUnfolderBase]: For 56/57 co-relation queries the response was YES. [2025-03-08 22:08:02,752 INFO L83 FinitePrefix]: Finished finitePrefix Result has 712 conditions, 514 events. 65/514 cut-off events. For 56/57 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 1799 event pairs, 38 based on Foata normal form. 0/452 useless extension candidates. Maximal degree in co-relation 627. Up to 118 conditions per place. [2025-03-08 22:08:02,753 INFO L140 encePairwiseOnDemand]: 337/349 looper letters, 29 selfloop transitions, 10 changer transitions 0/261 dead transitions. [2025-03-08 22:08:02,753 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 270 places, 261 transitions, 623 flow [2025-03-08 22:08:02,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-08 22:08:02,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2025-03-08 22:08:02,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1575 transitions. [2025-03-08 22:08:02,755 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7521489971346705 [2025-03-08 22:08:02,755 INFO L175 Difference]: Start difference. First operand has 267 places, 263 transitions, 549 flow. Second operand 6 states and 1575 transitions. [2025-03-08 22:08:02,755 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 270 places, 261 transitions, 623 flow [2025-03-08 22:08:02,756 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 268 places, 261 transitions, 619 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-03-08 22:08:02,758 INFO L231 Difference]: Finished difference. Result has 268 places, 261 transitions, 561 flow [2025-03-08 22:08:02,759 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=349, PETRI_DIFFERENCE_MINUEND_FLOW=541, PETRI_DIFFERENCE_MINUEND_PLACES=263, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=261, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=251, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=561, PETRI_PLACES=268, PETRI_TRANSITIONS=261} [2025-03-08 22:08:02,759 INFO L279 CegarLoopForPetriNet]: 326 programPoint places, -58 predicate places. [2025-03-08 22:08:02,759 INFO L471 AbstractCegarLoop]: Abstraction has has 268 places, 261 transitions, 561 flow [2025-03-08 22:08:02,760 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 257.5) internal successors, (1545), 6 states have internal predecessors, (1545), 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) [2025-03-08 22:08:02,760 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-08 22:08:02,760 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 22:08:02,760 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2025-03-08 22:08:02,760 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [thread1Err16ASSERT_VIOLATIONDATA_RACE, thread1Err7ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE, thread1Err5ASSERT_VIOLATIONDATA_RACE (and 115 more)] === [2025-03-08 22:08:02,760 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 22:08:02,760 INFO L85 PathProgramCache]: Analyzing trace with hash 211860333, now seen corresponding path program 1 times [2025-03-08 22:08:02,760 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 22:08:02,760 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [949243857] [2025-03-08 22:08:02,760 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 22:08:02,761 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 22:08:02,770 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 112 statements into 1 equivalence classes. [2025-03-08 22:08:02,773 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 112 of 112 statements. [2025-03-08 22:08:02,773 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 22:08:02,773 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 22:08:02,790 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-08 22:08:02,790 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 22:08:02,790 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [949243857] [2025-03-08 22:08:02,790 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [949243857] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 22:08:02,790 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 22:08:02,790 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-08 22:08:02,790 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1059874580] [2025-03-08 22:08:02,790 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 22:08:02,790 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 22:08:02,791 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 22:08:02,791 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 22:08:02,791 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 22:08:02,796 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 280 out of 349 [2025-03-08 22:08:02,796 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 268 places, 261 transitions, 561 flow. Second operand has 3 states, 3 states have (on average 281.0) internal successors, (843), 3 states have internal predecessors, (843), 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) [2025-03-08 22:08:02,797 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-08 22:08:02,797 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 280 of 349 [2025-03-08 22:08:02,797 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-08 22:08:02,856 INFO L124 PetriNetUnfolderBase]: 65/513 cut-off events. [2025-03-08 22:08:02,856 INFO L125 PetriNetUnfolderBase]: For 56/57 co-relation queries the response was YES. [2025-03-08 22:08:02,857 INFO L83 FinitePrefix]: Finished finitePrefix Result has 696 conditions, 513 events. 65/513 cut-off events. For 56/57 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 1795 event pairs, 38 based on Foata normal form. 0/452 useless extension candidates. Maximal degree in co-relation 661. Up to 103 conditions per place. [2025-03-08 22:08:02,858 INFO L140 encePairwiseOnDemand]: 347/349 looper letters, 15 selfloop transitions, 1 changer transitions 0/260 dead transitions. [2025-03-08 22:08:02,858 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 269 places, 260 transitions, 591 flow [2025-03-08 22:08:02,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-08 22:08:02,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-08 22:08:02,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 855 transitions. [2025-03-08 22:08:02,860 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8166189111747851 [2025-03-08 22:08:02,860 INFO L175 Difference]: Start difference. First operand has 268 places, 261 transitions, 561 flow. Second operand 3 states and 855 transitions. [2025-03-08 22:08:02,860 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 269 places, 260 transitions, 591 flow [2025-03-08 22:08:02,861 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 264 places, 260 transitions, 571 flow, removed 0 selfloop flow, removed 5 redundant places. [2025-03-08 22:08:02,863 INFO L231 Difference]: Finished difference. Result has 264 places, 260 transitions, 541 flow [2025-03-08 22:08:02,863 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=349, PETRI_DIFFERENCE_MINUEND_FLOW=539, PETRI_DIFFERENCE_MINUEND_PLACES=262, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=260, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=259, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=541, PETRI_PLACES=264, PETRI_TRANSITIONS=260} [2025-03-08 22:08:02,864 INFO L279 CegarLoopForPetriNet]: 326 programPoint places, -62 predicate places. [2025-03-08 22:08:02,864 INFO L471 AbstractCegarLoop]: Abstraction has has 264 places, 260 transitions, 541 flow [2025-03-08 22:08:02,864 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 281.0) internal successors, (843), 3 states have internal predecessors, (843), 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) [2025-03-08 22:08:02,864 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-08 22:08:02,864 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 22:08:02,864 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2025-03-08 22:08:02,864 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thread1Err16ASSERT_VIOLATIONDATA_RACE, thread1Err7ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE, thread1Err5ASSERT_VIOLATIONDATA_RACE (and 115 more)] === [2025-03-08 22:08:02,865 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 22:08:02,865 INFO L85 PathProgramCache]: Analyzing trace with hash -329460658, now seen corresponding path program 1 times [2025-03-08 22:08:02,865 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 22:08:02,865 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1688933564] [2025-03-08 22:08:02,865 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 22:08:02,865 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 22:08:02,872 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 142 statements into 1 equivalence classes. [2025-03-08 22:08:02,876 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 142 of 142 statements. [2025-03-08 22:08:02,876 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 22:08:02,876 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 22:08:02,899 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-08 22:08:02,899 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 22:08:02,899 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1688933564] [2025-03-08 22:08:02,899 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1688933564] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 22:08:02,899 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 22:08:02,899 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-08 22:08:02,899 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [547900950] [2025-03-08 22:08:02,899 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 22:08:02,900 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 22:08:02,900 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 22:08:02,900 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 22:08:02,900 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 22:08:02,905 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 277 out of 349 [2025-03-08 22:08:02,906 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 264 places, 260 transitions, 541 flow. Second operand has 3 states, 3 states have (on average 278.3333333333333) internal successors, (835), 3 states have internal predecessors, (835), 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) [2025-03-08 22:08:02,906 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-08 22:08:02,906 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 277 of 349 [2025-03-08 22:08:02,906 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-08 22:08:02,966 INFO L124 PetriNetUnfolderBase]: 65/512 cut-off events. [2025-03-08 22:08:02,966 INFO L125 PetriNetUnfolderBase]: For 56/57 co-relation queries the response was YES. [2025-03-08 22:08:02,967 INFO L83 FinitePrefix]: Finished finitePrefix Result has 688 conditions, 512 events. 65/512 cut-off events. For 56/57 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 1788 event pairs, 38 based on Foata normal form. 0/452 useless extension candidates. Maximal degree in co-relation 602. Up to 105 conditions per place. [2025-03-08 22:08:02,969 INFO L140 encePairwiseOnDemand]: 346/349 looper letters, 16 selfloop transitions, 2 changer transitions 0/259 dead transitions. [2025-03-08 22:08:02,969 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 265 places, 259 transitions, 575 flow [2025-03-08 22:08:02,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-08 22:08:02,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-08 22:08:02,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 848 transitions. [2025-03-08 22:08:02,971 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8099331423113658 [2025-03-08 22:08:02,971 INFO L175 Difference]: Start difference. First operand has 264 places, 260 transitions, 541 flow. Second operand 3 states and 848 transitions. [2025-03-08 22:08:02,971 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 265 places, 259 transitions, 575 flow [2025-03-08 22:08:02,972 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 264 places, 259 transitions, 574 flow, removed 0 selfloop flow, removed 1 redundant places. [2025-03-08 22:08:02,974 INFO L231 Difference]: Finished difference. Result has 264 places, 259 transitions, 542 flow [2025-03-08 22:08:02,974 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=349, PETRI_DIFFERENCE_MINUEND_FLOW=538, PETRI_DIFFERENCE_MINUEND_PLACES=262, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=259, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=257, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=542, PETRI_PLACES=264, PETRI_TRANSITIONS=259} [2025-03-08 22:08:02,975 INFO L279 CegarLoopForPetriNet]: 326 programPoint places, -62 predicate places. [2025-03-08 22:08:02,975 INFO L471 AbstractCegarLoop]: Abstraction has has 264 places, 259 transitions, 542 flow [2025-03-08 22:08:02,975 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 278.3333333333333) internal successors, (835), 3 states have internal predecessors, (835), 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) [2025-03-08 22:08:02,975 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-08 22:08:02,975 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 22:08:02,975 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2025-03-08 22:08:02,975 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err16ASSERT_VIOLATIONDATA_RACE, thread1Err7ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE, thread1Err5ASSERT_VIOLATIONDATA_RACE (and 115 more)] === [2025-03-08 22:08:02,976 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 22:08:02,976 INFO L85 PathProgramCache]: Analyzing trace with hash 271798884, now seen corresponding path program 1 times [2025-03-08 22:08:02,976 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 22:08:02,976 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1363901004] [2025-03-08 22:08:02,976 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 22:08:02,976 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 22:08:02,983 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 146 statements into 1 equivalence classes. [2025-03-08 22:08:02,987 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 146 of 146 statements. [2025-03-08 22:08:02,987 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 22:08:02,987 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 22:08:03,021 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-08 22:08:03,022 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 22:08:03,022 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1363901004] [2025-03-08 22:08:03,022 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1363901004] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 22:08:03,022 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 22:08:03,022 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-08 22:08:03,022 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1939639121] [2025-03-08 22:08:03,022 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 22:08:03,023 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 22:08:03,023 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 22:08:03,023 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 22:08:03,023 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 22:08:03,032 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 274 out of 349 [2025-03-08 22:08:03,033 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 264 places, 259 transitions, 542 flow. Second operand has 3 states, 3 states have (on average 275.0) internal successors, (825), 3 states have internal predecessors, (825), 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) [2025-03-08 22:08:03,033 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-08 22:08:03,033 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 274 of 349 [2025-03-08 22:08:03,033 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-08 22:08:03,104 INFO L124 PetriNetUnfolderBase]: 112/649 cut-off events. [2025-03-08 22:08:03,105 INFO L125 PetriNetUnfolderBase]: For 80/80 co-relation queries the response was YES. [2025-03-08 22:08:03,106 INFO L83 FinitePrefix]: Finished finitePrefix Result has 925 conditions, 649 events. 112/649 cut-off events. For 80/80 co-relation queries the response was YES. Maximal size of possible extension queue 28. Compared 2677 event pairs, 64 based on Foata normal form. 1/570 useless extension candidates. Maximal degree in co-relation 839. Up to 171 conditions per place. [2025-03-08 22:08:03,108 INFO L140 encePairwiseOnDemand]: 345/349 looper letters, 17 selfloop transitions, 1 changer transitions 2/256 dead transitions. [2025-03-08 22:08:03,108 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 263 places, 256 transitions, 574 flow [2025-03-08 22:08:03,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-08 22:08:03,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-08 22:08:03,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 842 transitions. [2025-03-08 22:08:03,110 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8042024832855779 [2025-03-08 22:08:03,110 INFO L175 Difference]: Start difference. First operand has 264 places, 259 transitions, 542 flow. Second operand 3 states and 842 transitions. [2025-03-08 22:08:03,110 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 263 places, 256 transitions, 574 flow [2025-03-08 22:08:03,111 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 261 places, 256 transitions, 570 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-03-08 22:08:03,114 INFO L231 Difference]: Finished difference. Result has 261 places, 254 transitions, 530 flow [2025-03-08 22:08:03,115 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=349, PETRI_DIFFERENCE_MINUEND_FLOW=532, PETRI_DIFFERENCE_MINUEND_PLACES=259, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=256, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=255, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=530, PETRI_PLACES=261, PETRI_TRANSITIONS=254} [2025-03-08 22:08:03,115 INFO L279 CegarLoopForPetriNet]: 326 programPoint places, -65 predicate places. [2025-03-08 22:08:03,115 INFO L471 AbstractCegarLoop]: Abstraction has has 261 places, 254 transitions, 530 flow [2025-03-08 22:08:03,116 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 275.0) internal successors, (825), 3 states have internal predecessors, (825), 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) [2025-03-08 22:08:03,116 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-08 22:08:03,116 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 22:08:03,116 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2025-03-08 22:08:03,116 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting thread2Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err16ASSERT_VIOLATIONDATA_RACE, thread1Err7ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE, thread1Err5ASSERT_VIOLATIONDATA_RACE (and 115 more)] === [2025-03-08 22:08:03,116 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 22:08:03,117 INFO L85 PathProgramCache]: Analyzing trace with hash 1417293322, now seen corresponding path program 1 times [2025-03-08 22:08:03,117 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 22:08:03,117 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [289991105] [2025-03-08 22:08:03,117 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 22:08:03,117 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 22:08:03,128 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 168 statements into 1 equivalence classes. [2025-03-08 22:08:03,145 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 168 of 168 statements. [2025-03-08 22:08:03,146 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 22:08:03,146 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 22:08:03,185 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-08 22:08:03,186 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 22:08:03,186 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [289991105] [2025-03-08 22:08:03,187 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [289991105] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 22:08:03,187 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 22:08:03,187 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-08 22:08:03,187 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1589461746] [2025-03-08 22:08:03,187 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 22:08:03,188 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 22:08:03,188 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 22:08:03,189 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 22:08:03,189 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 22:08:03,193 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 280 out of 349 [2025-03-08 22:08:03,194 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 261 places, 254 transitions, 530 flow. Second operand has 3 states, 3 states have (on average 282.0) internal successors, (846), 3 states have internal predecessors, (846), 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) [2025-03-08 22:08:03,194 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-08 22:08:03,194 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 280 of 349 [2025-03-08 22:08:03,194 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-08 22:08:03,293 INFO L124 PetriNetUnfolderBase]: 122/656 cut-off events. [2025-03-08 22:08:03,293 INFO L125 PetriNetUnfolderBase]: For 85/87 co-relation queries the response was YES. [2025-03-08 22:08:03,295 INFO L83 FinitePrefix]: Finished finitePrefix Result has 951 conditions, 656 events. 122/656 cut-off events. For 85/87 co-relation queries the response was YES. Maximal size of possible extension queue 33. Compared 2864 event pairs, 55 based on Foata normal form. 0/585 useless extension candidates. Maximal degree in co-relation 866. Up to 132 conditions per place. [2025-03-08 22:08:03,296 INFO L140 encePairwiseOnDemand]: 346/349 looper letters, 20 selfloop transitions, 2 changer transitions 0/259 dead transitions. [2025-03-08 22:08:03,296 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 260 places, 259 transitions, 590 flow [2025-03-08 22:08:03,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-08 22:08:03,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-08 22:08:03,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 860 transitions. [2025-03-08 22:08:03,298 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8213944603629417 [2025-03-08 22:08:03,298 INFO L175 Difference]: Start difference. First operand has 261 places, 254 transitions, 530 flow. Second operand 3 states and 860 transitions. [2025-03-08 22:08:03,298 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 260 places, 259 transitions, 590 flow [2025-03-08 22:08:03,300 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 259 places, 259 transitions, 589 flow, removed 0 selfloop flow, removed 1 redundant places. [2025-03-08 22:08:03,302 INFO L231 Difference]: Finished difference. Result has 259 places, 253 transitions, 531 flow [2025-03-08 22:08:03,303 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=349, PETRI_DIFFERENCE_MINUEND_FLOW=527, PETRI_DIFFERENCE_MINUEND_PLACES=257, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=253, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=251, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=531, PETRI_PLACES=259, PETRI_TRANSITIONS=253} [2025-03-08 22:08:03,303 INFO L279 CegarLoopForPetriNet]: 326 programPoint places, -67 predicate places. [2025-03-08 22:08:03,303 INFO L471 AbstractCegarLoop]: Abstraction has has 259 places, 253 transitions, 531 flow [2025-03-08 22:08:03,304 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 282.0) internal successors, (846), 3 states have internal predecessors, (846), 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) [2025-03-08 22:08:03,304 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-08 22:08:03,304 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 22:08:03,304 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2025-03-08 22:08:03,304 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting thread2Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err16ASSERT_VIOLATIONDATA_RACE, thread1Err7ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE, thread1Err5ASSERT_VIOLATIONDATA_RACE (and 115 more)] === [2025-03-08 22:08:03,305 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 22:08:03,305 INFO L85 PathProgramCache]: Analyzing trace with hash 312348556, now seen corresponding path program 1 times [2025-03-08 22:08:03,305 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 22:08:03,305 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1804996073] [2025-03-08 22:08:03,305 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 22:08:03,305 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 22:08:03,317 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 172 statements into 1 equivalence classes. [2025-03-08 22:08:03,327 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 172 of 172 statements. [2025-03-08 22:08:03,328 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 22:08:03,328 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 22:08:03,370 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-08 22:08:03,371 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 22:08:03,371 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1804996073] [2025-03-08 22:08:03,371 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1804996073] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 22:08:03,371 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 22:08:03,371 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-08 22:08:03,371 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1609181058] [2025-03-08 22:08:03,371 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 22:08:03,372 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 22:08:03,372 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 22:08:03,372 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 22:08:03,372 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 22:08:03,380 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 278 out of 349 [2025-03-08 22:08:03,382 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 259 places, 253 transitions, 531 flow. Second operand has 3 states, 3 states have (on average 280.6666666666667) internal successors, (842), 3 states have internal predecessors, (842), 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) [2025-03-08 22:08:03,382 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-08 22:08:03,382 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 278 of 349 [2025-03-08 22:08:03,382 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-08 22:08:03,494 INFO L124 PetriNetUnfolderBase]: 160/587 cut-off events. [2025-03-08 22:08:03,495 INFO L125 PetriNetUnfolderBase]: For 107/107 co-relation queries the response was YES. [2025-03-08 22:08:03,496 INFO L83 FinitePrefix]: Finished finitePrefix Result has 986 conditions, 587 events. 160/587 cut-off events. For 107/107 co-relation queries the response was YES. Maximal size of possible extension queue 36. Compared 2266 event pairs, 83 based on Foata normal form. 0/542 useless extension candidates. Maximal degree in co-relation 901. Up to 192 conditions per place. [2025-03-08 22:08:03,498 INFO L140 encePairwiseOnDemand]: 346/349 looper letters, 22 selfloop transitions, 2 changer transitions 0/258 dead transitions. [2025-03-08 22:08:03,498 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 260 places, 258 transitions, 595 flow [2025-03-08 22:08:03,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-08 22:08:03,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-08 22:08:03,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 856 transitions. [2025-03-08 22:08:03,500 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8175740210124164 [2025-03-08 22:08:03,500 INFO L175 Difference]: Start difference. First operand has 259 places, 253 transitions, 531 flow. Second operand 3 states and 856 transitions. [2025-03-08 22:08:03,500 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 260 places, 258 transitions, 595 flow [2025-03-08 22:08:03,501 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 258 places, 258 transitions, 591 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-03-08 22:08:03,503 INFO L231 Difference]: Finished difference. Result has 258 places, 252 transitions, 529 flow [2025-03-08 22:08:03,504 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=349, PETRI_DIFFERENCE_MINUEND_FLOW=525, PETRI_DIFFERENCE_MINUEND_PLACES=256, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=252, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=250, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=529, PETRI_PLACES=258, PETRI_TRANSITIONS=252} [2025-03-08 22:08:03,504 INFO L279 CegarLoopForPetriNet]: 326 programPoint places, -68 predicate places. [2025-03-08 22:08:03,504 INFO L471 AbstractCegarLoop]: Abstraction has has 258 places, 252 transitions, 529 flow [2025-03-08 22:08:03,504 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 280.6666666666667) internal successors, (842), 3 states have internal predecessors, (842), 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) [2025-03-08 22:08:03,504 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-08 22:08:03,505 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 22:08:03,505 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2025-03-08 22:08:03,505 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting thread3Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err16ASSERT_VIOLATIONDATA_RACE, thread1Err7ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE, thread1Err5ASSERT_VIOLATIONDATA_RACE (and 115 more)] === [2025-03-08 22:08:03,506 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 22:08:03,506 INFO L85 PathProgramCache]: Analyzing trace with hash -1191333046, now seen corresponding path program 1 times [2025-03-08 22:08:03,506 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 22:08:03,506 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1261019067] [2025-03-08 22:08:03,506 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 22:08:03,506 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 22:08:03,516 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 173 statements into 1 equivalence classes. [2025-03-08 22:08:03,522 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 173 of 173 statements. [2025-03-08 22:08:03,522 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 22:08:03,522 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 22:08:03,556 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-08 22:08:03,557 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 22:08:03,557 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1261019067] [2025-03-08 22:08:03,557 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1261019067] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 22:08:03,557 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 22:08:03,557 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-08 22:08:03,557 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [449970043] [2025-03-08 22:08:03,557 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 22:08:03,558 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 22:08:03,558 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 22:08:03,558 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 22:08:03,559 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 22:08:03,568 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 277 out of 349 [2025-03-08 22:08:03,568 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 258 places, 252 transitions, 529 flow. Second operand has 3 states, 3 states have (on average 279.0) internal successors, (837), 3 states have internal predecessors, (837), 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) [2025-03-08 22:08:03,569 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-08 22:08:03,569 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 277 of 349 [2025-03-08 22:08:03,569 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-08 22:08:03,674 INFO L124 PetriNetUnfolderBase]: 131/648 cut-off events. [2025-03-08 22:08:03,674 INFO L125 PetriNetUnfolderBase]: For 93/105 co-relation queries the response was YES. [2025-03-08 22:08:03,675 INFO L83 FinitePrefix]: Finished finitePrefix Result has 970 conditions, 648 events. 131/648 cut-off events. For 93/105 co-relation queries the response was YES. Maximal size of possible extension queue 36. Compared 2760 event pairs, 56 based on Foata normal form. 1/599 useless extension candidates. Maximal degree in co-relation 885. Up to 137 conditions per place. [2025-03-08 22:08:03,677 INFO L140 encePairwiseOnDemand]: 344/349 looper letters, 20 selfloop transitions, 2 changer transitions 2/257 dead transitions. [2025-03-08 22:08:03,677 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 258 places, 257 transitions, 593 flow [2025-03-08 22:08:03,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-08 22:08:03,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-08 22:08:03,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 854 transitions. [2025-03-08 22:08:03,679 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8156638013371538 [2025-03-08 22:08:03,679 INFO L175 Difference]: Start difference. First operand has 258 places, 252 transitions, 529 flow. Second operand 3 states and 854 transitions. [2025-03-08 22:08:03,679 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 258 places, 257 transitions, 593 flow [2025-03-08 22:08:03,680 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 256 places, 257 transitions, 589 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-03-08 22:08:03,682 INFO L231 Difference]: Finished difference. Result has 256 places, 248 transitions, 520 flow [2025-03-08 22:08:03,682 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=349, PETRI_DIFFERENCE_MINUEND_FLOW=521, PETRI_DIFFERENCE_MINUEND_PLACES=254, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=250, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=248, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=520, PETRI_PLACES=256, PETRI_TRANSITIONS=248} [2025-03-08 22:08:03,683 INFO L279 CegarLoopForPetriNet]: 326 programPoint places, -70 predicate places. [2025-03-08 22:08:03,683 INFO L471 AbstractCegarLoop]: Abstraction has has 256 places, 248 transitions, 520 flow [2025-03-08 22:08:03,683 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 279.0) internal successors, (837), 3 states have internal predecessors, (837), 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) [2025-03-08 22:08:03,683 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-08 22:08:03,683 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 22:08:03,684 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2025-03-08 22:08:03,684 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting thread3Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err16ASSERT_VIOLATIONDATA_RACE, thread1Err7ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE, thread1Err5ASSERT_VIOLATIONDATA_RACE (and 115 more)] === [2025-03-08 22:08:03,685 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 22:08:03,685 INFO L85 PathProgramCache]: Analyzing trace with hash -748051572, now seen corresponding path program 1 times [2025-03-08 22:08:03,685 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 22:08:03,685 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [549824889] [2025-03-08 22:08:03,685 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 22:08:03,685 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 22:08:03,696 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 177 statements into 1 equivalence classes. [2025-03-08 22:08:03,703 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 177 of 177 statements. [2025-03-08 22:08:03,703 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 22:08:03,704 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 22:08:03,740 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-08 22:08:03,740 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 22:08:03,740 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [549824889] [2025-03-08 22:08:03,740 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [549824889] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 22:08:03,740 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 22:08:03,740 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-08 22:08:03,741 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [854753550] [2025-03-08 22:08:03,741 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 22:08:03,741 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 22:08:03,741 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 22:08:03,742 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 22:08:03,742 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 22:08:03,754 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 277 out of 349 [2025-03-08 22:08:03,755 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 256 places, 248 transitions, 520 flow. Second operand has 3 states, 3 states have (on average 279.6666666666667) internal successors, (839), 3 states have internal predecessors, (839), 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) [2025-03-08 22:08:03,755 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-08 22:08:03,755 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 277 of 349 [2025-03-08 22:08:03,755 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-08 22:08:03,842 INFO L124 PetriNetUnfolderBase]: 175/674 cut-off events. [2025-03-08 22:08:03,842 INFO L125 PetriNetUnfolderBase]: For 129/155 co-relation queries the response was YES. [2025-03-08 22:08:03,843 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1086 conditions, 674 events. 175/674 cut-off events. For 129/155 co-relation queries the response was YES. Maximal size of possible extension queue 44. Compared 2928 event pairs, 92 based on Foata normal form. 0/630 useless extension candidates. Maximal degree in co-relation 1001. Up to 206 conditions per place. [2025-03-08 22:08:03,844 INFO L140 encePairwiseOnDemand]: 346/349 looper letters, 0 selfloop transitions, 0 changer transitions 254/254 dead transitions. [2025-03-08 22:08:03,844 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 255 places, 254 transitions, 586 flow [2025-03-08 22:08:03,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-08 22:08:03,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-08 22:08:03,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 853 transitions. [2025-03-08 22:08:03,846 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8147086914995224 [2025-03-08 22:08:03,846 INFO L175 Difference]: Start difference. First operand has 256 places, 248 transitions, 520 flow. Second operand 3 states and 853 transitions. [2025-03-08 22:08:03,846 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 255 places, 254 transitions, 586 flow [2025-03-08 22:08:03,847 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 253 places, 254 transitions, 582 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-03-08 22:08:03,848 INFO L231 Difference]: Finished difference. Result has 253 places, 0 transitions, 0 flow [2025-03-08 22:08:03,849 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=349, PETRI_DIFFERENCE_MINUEND_FLOW=514, PETRI_DIFFERENCE_MINUEND_PLACES=251, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=247, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=247, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=253, PETRI_TRANSITIONS=0} [2025-03-08 22:08:03,849 INFO L279 CegarLoopForPetriNet]: 326 programPoint places, -73 predicate places. [2025-03-08 22:08:03,849 INFO L471 AbstractCegarLoop]: Abstraction has has 253 places, 0 transitions, 0 flow [2025-03-08 22:08:03,850 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 279.6666666666667) internal successors, (839), 3 states have internal predecessors, (839), 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) [2025-03-08 22:08:03,852 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err16ASSERT_VIOLATIONDATA_RACE (118 of 119 remaining) [2025-03-08 22:08:03,852 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (117 of 119 remaining) [2025-03-08 22:08:03,853 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (116 of 119 remaining) [2025-03-08 22:08:03,853 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (115 of 119 remaining) [2025-03-08 22:08:03,853 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (114 of 119 remaining) [2025-03-08 22:08:03,853 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (113 of 119 remaining) [2025-03-08 22:08:03,853 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (112 of 119 remaining) [2025-03-08 22:08:03,853 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (111 of 119 remaining) [2025-03-08 22:08:03,853 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (110 of 119 remaining) [2025-03-08 22:08:03,853 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err15ASSERT_VIOLATIONDATA_RACE (109 of 119 remaining) [2025-03-08 22:08:03,853 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err14ASSERT_VIOLATIONDATA_RACE (108 of 119 remaining) [2025-03-08 22:08:03,853 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err13ASSERT_VIOLATIONDATA_RACE (107 of 119 remaining) [2025-03-08 22:08:03,853 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err12ASSERT_VIOLATIONDATA_RACE (106 of 119 remaining) [2025-03-08 22:08:03,853 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err11ASSERT_VIOLATIONDATA_RACE (105 of 119 remaining) [2025-03-08 22:08:03,853 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (104 of 119 remaining) [2025-03-08 22:08:03,853 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (103 of 119 remaining) [2025-03-08 22:08:03,853 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (102 of 119 remaining) [2025-03-08 22:08:03,854 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err19ASSERT_VIOLATIONDATA_RACE (101 of 119 remaining) [2025-03-08 22:08:03,854 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err18ASSERT_VIOLATIONDATA_RACE (100 of 119 remaining) [2025-03-08 22:08:03,854 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err17ASSERT_VIOLATIONDATA_RACE (99 of 119 remaining) [2025-03-08 22:08:03,854 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err16ASSERT_VIOLATIONDATA_RACE (98 of 119 remaining) [2025-03-08 22:08:03,854 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err15ASSERT_VIOLATIONDATA_RACE (97 of 119 remaining) [2025-03-08 22:08:03,854 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err14ASSERT_VIOLATIONDATA_RACE (96 of 119 remaining) [2025-03-08 22:08:03,854 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err13ASSERT_VIOLATIONDATA_RACE (95 of 119 remaining) [2025-03-08 22:08:03,854 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err12ASSERT_VIOLATIONDATA_RACE (94 of 119 remaining) [2025-03-08 22:08:03,854 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (93 of 119 remaining) [2025-03-08 22:08:03,854 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (92 of 119 remaining) [2025-03-08 22:08:03,854 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (91 of 119 remaining) [2025-03-08 22:08:03,854 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (90 of 119 remaining) [2025-03-08 22:08:03,854 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (89 of 119 remaining) [2025-03-08 22:08:03,854 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (88 of 119 remaining) [2025-03-08 22:08:03,854 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (87 of 119 remaining) [2025-03-08 22:08:03,854 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (86 of 119 remaining) [2025-03-08 22:08:03,854 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (85 of 119 remaining) [2025-03-08 22:08:03,854 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (84 of 119 remaining) [2025-03-08 22:08:03,854 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (83 of 119 remaining) [2025-03-08 22:08:03,854 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (82 of 119 remaining) [2025-03-08 22:08:03,854 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err11ASSERT_VIOLATIONDATA_RACE (81 of 119 remaining) [2025-03-08 22:08:03,854 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err10ASSERT_VIOLATIONDATA_RACE (80 of 119 remaining) [2025-03-08 22:08:03,854 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err9ASSERT_VIOLATIONDATA_RACE (79 of 119 remaining) [2025-03-08 22:08:03,854 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err8ASSERT_VIOLATIONDATA_RACE (78 of 119 remaining) [2025-03-08 22:08:03,854 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err7ASSERT_VIOLATIONDATA_RACE (77 of 119 remaining) [2025-03-08 22:08:03,854 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err6ASSERT_VIOLATIONDATA_RACE (76 of 119 remaining) [2025-03-08 22:08:03,856 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (75 of 119 remaining) [2025-03-08 22:08:03,856 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (74 of 119 remaining) [2025-03-08 22:08:03,856 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (73 of 119 remaining) [2025-03-08 22:08:03,856 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (72 of 119 remaining) [2025-03-08 22:08:03,856 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (71 of 119 remaining) [2025-03-08 22:08:03,856 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (70 of 119 remaining) [2025-03-08 22:08:03,856 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr17ASSERT_VIOLATIONDATA_RACE (69 of 119 remaining) [2025-03-08 22:08:03,856 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr16ASSERT_VIOLATIONDATA_RACE (68 of 119 remaining) [2025-03-08 22:08:03,856 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE (67 of 119 remaining) [2025-03-08 22:08:03,856 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE (66 of 119 remaining) [2025-03-08 22:08:03,856 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE (65 of 119 remaining) [2025-03-08 22:08:03,856 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE (64 of 119 remaining) [2025-03-08 22:08:03,856 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (63 of 119 remaining) [2025-03-08 22:08:03,856 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (62 of 119 remaining) [2025-03-08 22:08:03,856 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (61 of 119 remaining) [2025-03-08 22:08:03,856 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (60 of 119 remaining) [2025-03-08 22:08:03,857 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (59 of 119 remaining) [2025-03-08 22:08:03,857 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (58 of 119 remaining) [2025-03-08 22:08:03,857 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (57 of 119 remaining) [2025-03-08 22:08:03,857 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (56 of 119 remaining) [2025-03-08 22:08:03,857 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (55 of 119 remaining) [2025-03-08 22:08:03,857 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (54 of 119 remaining) [2025-03-08 22:08:03,857 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (53 of 119 remaining) [2025-03-08 22:08:03,857 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (52 of 119 remaining) [2025-03-08 22:08:03,857 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (51 of 119 remaining) [2025-03-08 22:08:03,857 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (50 of 119 remaining) [2025-03-08 22:08:03,857 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (49 of 119 remaining) [2025-03-08 22:08:03,857 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err16ASSERT_VIOLATIONDATA_RACE (48 of 119 remaining) [2025-03-08 22:08:03,857 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (47 of 119 remaining) [2025-03-08 22:08:03,857 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (46 of 119 remaining) [2025-03-08 22:08:03,857 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (45 of 119 remaining) [2025-03-08 22:08:03,857 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (44 of 119 remaining) [2025-03-08 22:08:03,857 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (43 of 119 remaining) [2025-03-08 22:08:03,857 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (42 of 119 remaining) [2025-03-08 22:08:03,857 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (41 of 119 remaining) [2025-03-08 22:08:03,857 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (40 of 119 remaining) [2025-03-08 22:08:03,857 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err15ASSERT_VIOLATIONDATA_RACE (39 of 119 remaining) [2025-03-08 22:08:03,857 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err14ASSERT_VIOLATIONDATA_RACE (38 of 119 remaining) [2025-03-08 22:08:03,857 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err13ASSERT_VIOLATIONDATA_RACE (37 of 119 remaining) [2025-03-08 22:08:03,857 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err12ASSERT_VIOLATIONDATA_RACE (36 of 119 remaining) [2025-03-08 22:08:03,857 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err11ASSERT_VIOLATIONDATA_RACE (35 of 119 remaining) [2025-03-08 22:08:03,857 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (34 of 119 remaining) [2025-03-08 22:08:03,857 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (33 of 119 remaining) [2025-03-08 22:08:03,857 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (32 of 119 remaining) [2025-03-08 22:08:03,857 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err19ASSERT_VIOLATIONDATA_RACE (31 of 119 remaining) [2025-03-08 22:08:03,857 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err18ASSERT_VIOLATIONDATA_RACE (30 of 119 remaining) [2025-03-08 22:08:03,857 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err17ASSERT_VIOLATIONDATA_RACE (29 of 119 remaining) [2025-03-08 22:08:03,857 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err16ASSERT_VIOLATIONDATA_RACE (28 of 119 remaining) [2025-03-08 22:08:03,857 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err15ASSERT_VIOLATIONDATA_RACE (27 of 119 remaining) [2025-03-08 22:08:03,857 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err14ASSERT_VIOLATIONDATA_RACE (26 of 119 remaining) [2025-03-08 22:08:03,857 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err13ASSERT_VIOLATIONDATA_RACE (25 of 119 remaining) [2025-03-08 22:08:03,857 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err12ASSERT_VIOLATIONDATA_RACE (24 of 119 remaining) [2025-03-08 22:08:03,857 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (23 of 119 remaining) [2025-03-08 22:08:03,857 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (22 of 119 remaining) [2025-03-08 22:08:03,858 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (21 of 119 remaining) [2025-03-08 22:08:03,858 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (20 of 119 remaining) [2025-03-08 22:08:03,858 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (19 of 119 remaining) [2025-03-08 22:08:03,858 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (18 of 119 remaining) [2025-03-08 22:08:03,858 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (17 of 119 remaining) [2025-03-08 22:08:03,858 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (16 of 119 remaining) [2025-03-08 22:08:03,858 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (15 of 119 remaining) [2025-03-08 22:08:03,858 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (14 of 119 remaining) [2025-03-08 22:08:03,858 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (13 of 119 remaining) [2025-03-08 22:08:03,858 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (12 of 119 remaining) [2025-03-08 22:08:03,858 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err11ASSERT_VIOLATIONDATA_RACE (11 of 119 remaining) [2025-03-08 22:08:03,858 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err10ASSERT_VIOLATIONDATA_RACE (10 of 119 remaining) [2025-03-08 22:08:03,859 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err9ASSERT_VIOLATIONDATA_RACE (9 of 119 remaining) [2025-03-08 22:08:03,859 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err8ASSERT_VIOLATIONDATA_RACE (8 of 119 remaining) [2025-03-08 22:08:03,859 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err7ASSERT_VIOLATIONDATA_RACE (7 of 119 remaining) [2025-03-08 22:08:03,859 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err6ASSERT_VIOLATIONDATA_RACE (6 of 119 remaining) [2025-03-08 22:08:03,859 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (5 of 119 remaining) [2025-03-08 22:08:03,859 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (4 of 119 remaining) [2025-03-08 22:08:03,859 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (3 of 119 remaining) [2025-03-08 22:08:03,859 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (2 of 119 remaining) [2025-03-08 22:08:03,859 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (1 of 119 remaining) [2025-03-08 22:08:03,859 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (0 of 119 remaining) [2025-03-08 22:08:03,859 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2025-03-08 22:08:03,859 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 22:08:03,864 INFO L241 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2025-03-08 22:08:03,864 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-03-08 22:08:03,870 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.03 10:08:03 BasicIcfg [2025-03-08 22:08:03,871 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-03-08 22:08:03,872 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-03-08 22:08:03,872 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-03-08 22:08:03,872 INFO L274 PluginConnector]: Witness Printer initialized [2025-03-08 22:08:03,872 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.03 10:07:59" (3/4) ... [2025-03-08 22:08:03,874 INFO L146 WitnessPrinter]: Generating witness for correct program [2025-03-08 22:08:03,877 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure thread1 [2025-03-08 22:08:03,877 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure thread2 [2025-03-08 22:08:03,877 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure thread3 [2025-03-08 22:08:03,883 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 23 nodes and edges [2025-03-08 22:08:03,884 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2025-03-08 22:08:03,884 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2025-03-08 22:08:03,884 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2025-03-08 22:08:03,953 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-03-08 22:08:03,954 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2025-03-08 22:08:03,954 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-03-08 22:08:03,954 INFO L158 Benchmark]: Toolchain (without parser) took 5252.25ms. Allocated memory was 142.6MB in the beginning and 276.8MB in the end (delta: 134.2MB). Free memory was 113.5MB in the beginning and 139.8MB in the end (delta: -26.3MB). Peak memory consumption was 107.7MB. Max. memory is 16.1GB. [2025-03-08 22:08:03,955 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 201.3MB. Free memory is still 123.0MB. There was no memory consumed. Max. memory is 16.1GB. [2025-03-08 22:08:03,955 INFO L158 Benchmark]: CACSL2BoogieTranslator took 242.90ms. Allocated memory is still 142.6MB. Free memory was 113.5MB in the beginning and 100.2MB in the end (delta: 13.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-08 22:08:03,955 INFO L158 Benchmark]: Boogie Procedure Inliner took 52.30ms. Allocated memory is still 142.6MB. Free memory was 100.2MB in the beginning and 97.1MB in the end (delta: 3.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-08 22:08:03,956 INFO L158 Benchmark]: Boogie Preprocessor took 38.09ms. Allocated memory is still 142.6MB. Free memory was 97.1MB in the beginning and 94.7MB in the end (delta: 2.4MB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-08 22:08:03,957 INFO L158 Benchmark]: IcfgBuilder took 888.34ms. Allocated memory is still 142.6MB. Free memory was 94.7MB in the beginning and 65.5MB in the end (delta: 29.2MB). Peak memory consumption was 56.9MB. Max. memory is 16.1GB. [2025-03-08 22:08:03,957 INFO L158 Benchmark]: TraceAbstraction took 3943.65ms. Allocated memory was 142.6MB in the beginning and 276.8MB in the end (delta: 134.2MB). Free memory was 64.8MB in the beginning and 148.2MB in the end (delta: -83.4MB). Peak memory consumption was 50.8MB. Max. memory is 16.1GB. [2025-03-08 22:08:03,957 INFO L158 Benchmark]: Witness Printer took 82.11ms. Allocated memory is still 276.8MB. Free memory was 148.2MB in the beginning and 139.8MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-08 22:08:03,958 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 201.3MB. Free memory is still 123.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 242.90ms. Allocated memory is still 142.6MB. Free memory was 113.5MB in the beginning and 100.2MB in the end (delta: 13.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 52.30ms. Allocated memory is still 142.6MB. Free memory was 100.2MB in the beginning and 97.1MB in the end (delta: 3.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 38.09ms. Allocated memory is still 142.6MB. Free memory was 97.1MB in the beginning and 94.7MB in the end (delta: 2.4MB). There was no memory consumed. Max. memory is 16.1GB. * IcfgBuilder took 888.34ms. Allocated memory is still 142.6MB. Free memory was 94.7MB in the beginning and 65.5MB in the end (delta: 29.2MB). Peak memory consumption was 56.9MB. Max. memory is 16.1GB. * TraceAbstraction took 3943.65ms. Allocated memory was 142.6MB in the beginning and 276.8MB in the end (delta: 134.2MB). Free memory was 64.8MB in the beginning and 148.2MB in the end (delta: -83.4MB). Peak memory consumption was 50.8MB. Max. memory is 16.1GB. * Witness Printer took 82.11ms. Allocated memory is still 276.8MB. Free memory was 148.2MB in the beginning and 139.8MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 47]: 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: 55]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 56]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 56]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 56]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 57]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 57]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: 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: 68]: 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: 69]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 69]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 72]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 72]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 72]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 73]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 73]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 73]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 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: 76]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 76]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 89]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 89]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 89]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 89]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 89]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 90]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 90]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 90]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 91]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 91]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 93]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 93]: 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: 108]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 109]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 109]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 110]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 111]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 111]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 112]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 137]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 112]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 113]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 137]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 113]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 115]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 125]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 125]: 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, 431 locations, 450 edges, 119 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: 3.8s, OverallIterations: 19, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 2.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 322 SdHoareTripleChecker+Valid, 0.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 168 mSDsluCounter, 29 SdHoareTripleChecker+Invalid, 0.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 56 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 700 IncrementalHoareTripleChecker+Invalid, 756 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 56 mSolverCounterUnsat, 29 mSDtfsCounter, 700 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 42 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=676occurred in iteration=0, InterpolantAutomatonStates: 60, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 1873 NumberOfCodeBlocks, 1873 NumberOfCodeBlocksAsserted, 19 NumberOfCheckSat, 1854 ConstructedInterpolants, 0 QuantifiedInterpolants, 2005 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 19 InterpolantComputations, 19 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 67 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2025-03-08 22:08:03,977 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE