./Ultimate.py --spec ../sv-benchmarks/c/properties/no-data-race.prp --file ../sv-benchmarks/c/weaver/popl20-more-array-sum-alt.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-more-array-sum-alt.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 cd36b7f18dbd530fce94e0943ff58c16da276fcc41b96fdafde87c3c69036175 --- Real Ultimate output --- This is Ultimate 0.3.0-?-e2fb8be-m [2025-03-08 22:07:21,363 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-08 22:07:21,416 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2025-03-08 22:07:21,421 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-08 22:07:21,422 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-08 22:07:21,443 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-08 22:07:21,444 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-08 22:07:21,444 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-08 22:07:21,444 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-08 22:07:21,444 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-08 22:07:21,444 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-08 22:07:21,444 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-08 22:07:21,445 INFO L153 SettingsManager]: * Use SBE=true [2025-03-08 22:07:21,445 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-08 22:07:21,445 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-08 22:07:21,445 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-08 22:07:21,445 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-08 22:07:21,445 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-08 22:07:21,445 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-08 22:07:21,445 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-08 22:07:21,445 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-08 22:07:21,445 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-08 22:07:21,445 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2025-03-08 22:07:21,445 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-03-08 22:07:21,445 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-08 22:07:21,445 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-08 22:07:21,445 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-08 22:07:21,447 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-08 22:07:21,447 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-08 22:07:21,447 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-08 22:07:21,447 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-08 22:07:21,447 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-08 22:07:21,447 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-08 22:07:21,447 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-08 22:07:21,447 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-08 22:07:21,447 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-08 22:07:21,447 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-08 22:07:21,448 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-08 22:07:21,448 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-08 22:07:21,448 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-08 22:07:21,448 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-08 22:07:21,448 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-08 22:07:21,448 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 -> cd36b7f18dbd530fce94e0943ff58c16da276fcc41b96fdafde87c3c69036175 [2025-03-08 22:07:21,654 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-08 22:07:21,662 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-08 22:07:21,664 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-08 22:07:21,665 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-08 22:07:21,665 INFO L274 PluginConnector]: CDTParser initialized [2025-03-08 22:07:21,667 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/weaver/popl20-more-array-sum-alt.wvr.c [2025-03-08 22:07:22,851 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/29fc2f1fb/659942578b134c5a90f1a23071392b9d/FLAGa879ee6ce [2025-03-08 22:07:23,065 INFO L384 CDTParser]: Found 1 translation units. [2025-03-08 22:07:23,065 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/popl20-more-array-sum-alt.wvr.c [2025-03-08 22:07:23,072 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/29fc2f1fb/659942578b134c5a90f1a23071392b9d/FLAGa879ee6ce [2025-03-08 22:07:23,090 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/29fc2f1fb/659942578b134c5a90f1a23071392b9d [2025-03-08 22:07:23,093 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-08 22:07:23,094 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-08 22:07:23,095 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-08 22:07:23,096 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-08 22:07:23,099 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-08 22:07:23,100 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.03 10:07:23" (1/1) ... [2025-03-08 22:07:23,101 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b75528f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 10:07:23, skipping insertion in model container [2025-03-08 22:07:23,102 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.03 10:07:23" (1/1) ... [2025-03-08 22:07:23,116 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-08 22:07:23,253 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-08 22:07:23,259 INFO L200 MainTranslator]: Completed pre-run [2025-03-08 22:07:23,286 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-08 22:07:23,299 INFO L204 MainTranslator]: Completed translation [2025-03-08 22:07:23,300 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 10:07:23 WrapperNode [2025-03-08 22:07:23,300 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-08 22:07:23,300 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-08 22:07:23,300 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-08 22:07:23,301 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-08 22:07:23,305 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 10:07:23" (1/1) ... [2025-03-08 22:07:23,311 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 10:07:23" (1/1) ... [2025-03-08 22:07:23,330 INFO L138 Inliner]: procedures = 22, calls = 25, calls flagged for inlining = 13, calls inlined = 17, statements flattened = 248 [2025-03-08 22:07:23,330 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-08 22:07:23,331 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-08 22:07:23,331 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-08 22:07:23,331 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-08 22:07:23,335 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 10:07:23" (1/1) ... [2025-03-08 22:07:23,335 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 10:07:23" (1/1) ... [2025-03-08 22:07:23,338 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 10:07:23" (1/1) ... [2025-03-08 22:07:23,338 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 10:07:23" (1/1) ... [2025-03-08 22:07:23,347 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 10:07:23" (1/1) ... [2025-03-08 22:07:23,348 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 10:07:23" (1/1) ... [2025-03-08 22:07:23,349 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 10:07:23" (1/1) ... [2025-03-08 22:07:23,350 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 10:07:23" (1/1) ... [2025-03-08 22:07:23,351 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-08 22:07:23,352 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-08 22:07:23,352 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-08 22:07:23,352 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-08 22:07:23,352 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 10:07:23" (1/1) ... [2025-03-08 22:07:23,356 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-08 22:07:23,365 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-08 22:07:23,377 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 22:07:23,381 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 22:07:23,394 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-08 22:07:23,394 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2025-03-08 22:07:23,394 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2025-03-08 22:07:23,394 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2025-03-08 22:07:23,394 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2025-03-08 22:07:23,395 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2025-03-08 22:07:23,395 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2025-03-08 22:07:23,395 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2025-03-08 22:07:23,395 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2025-03-08 22:07:23,395 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-03-08 22:07:23,395 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-08 22:07:23,395 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-08 22:07:23,395 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2025-03-08 22:07:23,396 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 22:07:23,471 INFO L256 CfgBuilder]: Building ICFG [2025-03-08 22:07:23,473 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-08 22:07:23,865 INFO L303 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-03-08 22:07:23,866 INFO L307 CfgBuilder]: Performing block encoding [2025-03-08 22:07:23,894 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-08 22:07:23,896 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-08 22:07:23,896 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.03 10:07:23 BoogieIcfgContainer [2025-03-08 22:07:23,896 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-08 22:07:23,898 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-08 22:07:23,899 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-08 22:07:23,902 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-08 22:07:23,903 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.03 10:07:23" (1/3) ... [2025-03-08 22:07:23,903 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@21ed1835 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.03 10:07:23, skipping insertion in model container [2025-03-08 22:07:23,903 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 10:07:23" (2/3) ... [2025-03-08 22:07:23,903 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@21ed1835 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.03 10:07:23, skipping insertion in model container [2025-03-08 22:07:23,904 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.03 10:07:23" (3/3) ... [2025-03-08 22:07:23,905 INFO L128 eAbstractionObserver]: Analyzing ICFG popl20-more-array-sum-alt.wvr.c [2025-03-08 22:07:23,915 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-08 22:07:23,916 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG popl20-more-array-sum-alt.wvr.c that has 4 procedures, 314 locations, 1 initial locations, 4 loop locations, and 21 error locations. [2025-03-08 22:07:23,916 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-03-08 22:07:24,017 INFO L143 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2025-03-08 22:07:24,051 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 323 places, 331 transitions, 683 flow [2025-03-08 22:07:24,169 INFO L124 PetriNetUnfolderBase]: 18/328 cut-off events. [2025-03-08 22:07:24,173 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2025-03-08 22:07:24,179 INFO L83 FinitePrefix]: Finished finitePrefix Result has 341 conditions, 328 events. 18/328 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 707 event pairs, 0 based on Foata normal form. 0/289 useless extension candidates. Maximal degree in co-relation 249. Up to 2 conditions per place. [2025-03-08 22:07:24,180 INFO L82 GeneralOperation]: Start removeDead. Operand has 323 places, 331 transitions, 683 flow [2025-03-08 22:07:24,185 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 304 places, 311 transitions, 640 flow [2025-03-08 22:07:24,192 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-08 22:07:24,200 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;@1b1e6bce, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-08 22:07:24,200 INFO L334 AbstractCegarLoop]: Starting to check reachability of 36 error locations. [2025-03-08 22:07:24,204 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2025-03-08 22:07:24,204 INFO L124 PetriNetUnfolderBase]: 0/22 cut-off events. [2025-03-08 22:07:24,205 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-03-08 22:07:24,205 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-08 22:07:24,205 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] [2025-03-08 22:07:24,206 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [thread1Err4ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE (and 32 more)] === [2025-03-08 22:07:24,209 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 22:07:24,211 INFO L85 PathProgramCache]: Analyzing trace with hash -663376921, now seen corresponding path program 1 times [2025-03-08 22:07:24,216 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 22:07:24,216 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [699607403] [2025-03-08 22:07:24,218 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 22:07:24,218 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 22:07:24,275 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 22 statements into 1 equivalence classes. [2025-03-08 22:07:24,285 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 22 of 22 statements. [2025-03-08 22:07:24,285 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 22:07:24,285 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 22:07:24,355 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 22:07:24,357 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 22:07:24,358 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [699607403] [2025-03-08 22:07:24,358 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [699607403] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 22:07:24,358 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 22:07:24,358 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-08 22:07:24,359 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1605671552] [2025-03-08 22:07:24,360 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 22:07:24,365 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 22:07:24,368 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 22:07:24,387 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 22:07:24,388 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 22:07:24,433 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 298 out of 331 [2025-03-08 22:07:24,437 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 304 places, 311 transitions, 640 flow. Second operand has 3 states, 3 states have (on average 299.3333333333333) internal successors, (898), 3 states have internal predecessors, (898), 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 22:07:24,439 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-08 22:07:24,439 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 298 of 331 [2025-03-08 22:07:24,441 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-08 22:07:24,573 INFO L124 PetriNetUnfolderBase]: 35/740 cut-off events. [2025-03-08 22:07:24,574 INFO L125 PetriNetUnfolderBase]: For 44/44 co-relation queries the response was YES. [2025-03-08 22:07:24,578 INFO L83 FinitePrefix]: Finished finitePrefix Result has 827 conditions, 740 events. 35/740 cut-off events. For 44/44 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 3338 event pairs, 20 based on Foata normal form. 61/710 useless extension candidates. Maximal degree in co-relation 621. Up to 58 conditions per place. [2025-03-08 22:07:24,582 INFO L140 encePairwiseOnDemand]: 316/331 looper letters, 15 selfloop transitions, 2 changer transitions 3/298 dead transitions. [2025-03-08 22:07:24,582 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 305 places, 298 transitions, 648 flow [2025-03-08 22:07:24,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-08 22:07:24,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-08 22:07:24,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 924 transitions. [2025-03-08 22:07:24,596 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9305135951661632 [2025-03-08 22:07:24,598 INFO L175 Difference]: Start difference. First operand has 304 places, 311 transitions, 640 flow. Second operand 3 states and 924 transitions. [2025-03-08 22:07:24,598 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 305 places, 298 transitions, 648 flow [2025-03-08 22:07:24,603 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 299 places, 298 transitions, 636 flow, removed 0 selfloop flow, removed 6 redundant places. [2025-03-08 22:07:24,610 INFO L231 Difference]: Finished difference. Result has 299 places, 295 transitions, 600 flow [2025-03-08 22:07:24,612 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=331, PETRI_DIFFERENCE_MINUEND_FLOW=602, PETRI_DIFFERENCE_MINUEND_PLACES=297, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=298, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=296, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=600, PETRI_PLACES=299, PETRI_TRANSITIONS=295} [2025-03-08 22:07:24,615 INFO L279 CegarLoopForPetriNet]: 304 programPoint places, -5 predicate places. [2025-03-08 22:07:24,616 INFO L471 AbstractCegarLoop]: Abstraction has has 299 places, 295 transitions, 600 flow [2025-03-08 22:07:24,616 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 299.3333333333333) internal successors, (898), 3 states have internal predecessors, (898), 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 22:07:24,616 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-08 22:07:24,616 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] [2025-03-08 22:07:24,617 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-03-08 22:07:24,617 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [thread1Err4ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE (and 32 more)] === [2025-03-08 22:07:24,618 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 22:07:24,618 INFO L85 PathProgramCache]: Analyzing trace with hash -175130284, now seen corresponding path program 1 times [2025-03-08 22:07:24,618 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 22:07:24,618 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [333938697] [2025-03-08 22:07:24,618 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 22:07:24,619 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 22:07:24,639 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 30 statements into 1 equivalence classes. [2025-03-08 22:07:24,646 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 30 of 30 statements. [2025-03-08 22:07:24,647 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 22:07:24,648 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 22:07:24,682 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 22:07:24,683 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 22:07:24,683 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [333938697] [2025-03-08 22:07:24,683 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [333938697] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 22:07:24,683 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 22:07:24,683 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-08 22:07:24,683 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1668949936] [2025-03-08 22:07:24,684 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 22:07:24,684 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 22:07:24,685 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 22:07:24,685 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 22:07:24,685 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 22:07:24,718 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 298 out of 331 [2025-03-08 22:07:24,719 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 299 places, 295 transitions, 600 flow. Second operand has 3 states, 3 states have (on average 299.3333333333333) internal successors, (898), 3 states have internal predecessors, (898), 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 22:07:24,720 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-08 22:07:24,720 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 298 of 331 [2025-03-08 22:07:24,720 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-08 22:07:24,823 INFO L124 PetriNetUnfolderBase]: 38/738 cut-off events. [2025-03-08 22:07:24,823 INFO L125 PetriNetUnfolderBase]: For 6/6 co-relation queries the response was YES. [2025-03-08 22:07:24,826 INFO L83 FinitePrefix]: Finished finitePrefix Result has 816 conditions, 738 events. 38/738 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 3315 event pairs, 23 based on Foata normal form. 0/639 useless extension candidates. Maximal degree in co-relation 786. Up to 65 conditions per place. [2025-03-08 22:07:24,829 INFO L140 encePairwiseOnDemand]: 328/331 looper letters, 15 selfloop transitions, 2 changer transitions 0/294 dead transitions. [2025-03-08 22:07:24,829 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 297 places, 294 transitions, 632 flow [2025-03-08 22:07:24,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-08 22:07:24,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-08 22:07:24,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 912 transitions. [2025-03-08 22:07:24,831 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.918429003021148 [2025-03-08 22:07:24,831 INFO L175 Difference]: Start difference. First operand has 299 places, 295 transitions, 600 flow. Second operand 3 states and 912 transitions. [2025-03-08 22:07:24,831 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 297 places, 294 transitions, 632 flow [2025-03-08 22:07:24,833 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 295 places, 294 transitions, 628 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-03-08 22:07:24,837 INFO L231 Difference]: Finished difference. Result has 295 places, 294 transitions, 598 flow [2025-03-08 22:07:24,838 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=331, PETRI_DIFFERENCE_MINUEND_FLOW=594, PETRI_DIFFERENCE_MINUEND_PLACES=293, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=294, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=292, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=598, PETRI_PLACES=295, PETRI_TRANSITIONS=294} [2025-03-08 22:07:24,838 INFO L279 CegarLoopForPetriNet]: 304 programPoint places, -9 predicate places. [2025-03-08 22:07:24,838 INFO L471 AbstractCegarLoop]: Abstraction has has 295 places, 294 transitions, 598 flow [2025-03-08 22:07:24,839 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 299.3333333333333) internal successors, (898), 3 states have internal predecessors, (898), 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 22:07:24,839 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-08 22:07:24,839 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] [2025-03-08 22:07:24,839 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-03-08 22:07:24,839 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [thread1Err4ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE (and 32 more)] === [2025-03-08 22:07:24,840 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 22:07:24,840 INFO L85 PathProgramCache]: Analyzing trace with hash -895418799, now seen corresponding path program 1 times [2025-03-08 22:07:24,840 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 22:07:24,840 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [210598440] [2025-03-08 22:07:24,840 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 22:07:24,840 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 22:07:24,850 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 34 statements into 1 equivalence classes. [2025-03-08 22:07:24,856 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 34 of 34 statements. [2025-03-08 22:07:24,858 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 22:07:24,858 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 22:07:24,894 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 22:07:24,894 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 22:07:24,894 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [210598440] [2025-03-08 22:07:24,894 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [210598440] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 22:07:24,894 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 22:07:24,895 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-08 22:07:24,895 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1432369253] [2025-03-08 22:07:24,896 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 22:07:24,896 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 22:07:24,896 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 22:07:24,896 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 22:07:24,896 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 22:07:24,918 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 296 out of 331 [2025-03-08 22:07:24,919 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 295 places, 294 transitions, 598 flow. Second operand has 3 states, 3 states have (on average 297.0) internal successors, (891), 3 states have internal predecessors, (891), 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 22:07:24,920 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-08 22:07:24,921 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 296 of 331 [2025-03-08 22:07:24,921 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-08 22:07:25,062 INFO L124 PetriNetUnfolderBase]: 67/900 cut-off events. [2025-03-08 22:07:25,063 INFO L125 PetriNetUnfolderBase]: For 11/11 co-relation queries the response was YES. [2025-03-08 22:07:25,066 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1025 conditions, 900 events. 67/900 cut-off events. For 11/11 co-relation queries the response was YES. Maximal size of possible extension queue 26. Compared 4813 event pairs, 45 based on Foata normal form. 0/786 useless extension candidates. Maximal degree in co-relation 987. Up to 109 conditions per place. [2025-03-08 22:07:25,071 INFO L140 encePairwiseOnDemand]: 326/331 looper letters, 16 selfloop transitions, 1 changer transitions 0/290 dead transitions. [2025-03-08 22:07:25,071 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 293 places, 290 transitions, 624 flow [2025-03-08 22:07:25,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-08 22:07:25,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-08 22:07:25,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 909 transitions. [2025-03-08 22:07:25,076 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9154078549848943 [2025-03-08 22:07:25,076 INFO L175 Difference]: Start difference. First operand has 295 places, 294 transitions, 598 flow. Second operand 3 states and 909 transitions. [2025-03-08 22:07:25,076 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 293 places, 290 transitions, 624 flow [2025-03-08 22:07:25,079 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 291 places, 290 transitions, 620 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-03-08 22:07:25,081 INFO L231 Difference]: Finished difference. Result has 291 places, 290 transitions, 588 flow [2025-03-08 22:07:25,081 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=331, PETRI_DIFFERENCE_MINUEND_FLOW=586, PETRI_DIFFERENCE_MINUEND_PLACES=289, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=290, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=289, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=588, PETRI_PLACES=291, PETRI_TRANSITIONS=290} [2025-03-08 22:07:25,082 INFO L279 CegarLoopForPetriNet]: 304 programPoint places, -13 predicate places. [2025-03-08 22:07:25,082 INFO L471 AbstractCegarLoop]: Abstraction has has 291 places, 290 transitions, 588 flow [2025-03-08 22:07:25,083 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 297.0) internal successors, (891), 3 states have internal predecessors, (891), 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 22:07:25,083 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-08 22:07:25,083 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] [2025-03-08 22:07:25,083 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-03-08 22:07:25,083 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [thread1Err4ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE (and 32 more)] === [2025-03-08 22:07:25,083 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 22:07:25,083 INFO L85 PathProgramCache]: Analyzing trace with hash 995576935, now seen corresponding path program 1 times [2025-03-08 22:07:25,083 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 22:07:25,084 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1900194178] [2025-03-08 22:07:25,084 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 22:07:25,084 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 22:07:25,099 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 64 statements into 1 equivalence classes. [2025-03-08 22:07:25,122 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 64 of 64 statements. [2025-03-08 22:07:25,125 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 22:07:25,125 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 22:07:25,644 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 22:07:25,647 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 22:07:25,647 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1900194178] [2025-03-08 22:07:25,647 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1900194178] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 22:07:25,647 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 22:07:25,647 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-08 22:07:25,647 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1917707776] [2025-03-08 22:07:25,647 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 22:07:25,648 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-08 22:07:25,648 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 22:07:25,648 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-08 22:07:25,648 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2025-03-08 22:07:25,752 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 283 out of 331 [2025-03-08 22:07:25,754 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 291 places, 290 transitions, 588 flow. Second operand has 6 states, 6 states have (on average 284.5) internal successors, (1707), 6 states have internal predecessors, (1707), 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 22:07:25,754 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-08 22:07:25,754 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 283 of 331 [2025-03-08 22:07:25,754 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-08 22:07:26,148 INFO L124 PetriNetUnfolderBase]: 549/3717 cut-off events. [2025-03-08 22:07:26,148 INFO L125 PetriNetUnfolderBase]: For 83/83 co-relation queries the response was YES. [2025-03-08 22:07:26,160 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4568 conditions, 3717 events. 549/3717 cut-off events. For 83/83 co-relation queries the response was YES. Maximal size of possible extension queue 90. Compared 33270 event pairs, 383 based on Foata normal form. 0/3235 useless extension candidates. Maximal degree in co-relation 4531. Up to 807 conditions per place. [2025-03-08 22:07:26,173 INFO L140 encePairwiseOnDemand]: 325/331 looper letters, 28 selfloop transitions, 5 changer transitions 0/289 dead transitions. [2025-03-08 22:07:26,173 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 295 places, 289 transitions, 652 flow [2025-03-08 22:07:26,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-08 22:07:26,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2025-03-08 22:07:26,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1732 transitions. [2025-03-08 22:07:26,177 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8721047331319235 [2025-03-08 22:07:26,177 INFO L175 Difference]: Start difference. First operand has 291 places, 290 transitions, 588 flow. Second operand 6 states and 1732 transitions. [2025-03-08 22:07:26,177 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 295 places, 289 transitions, 652 flow [2025-03-08 22:07:26,178 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 294 places, 289 transitions, 651 flow, removed 0 selfloop flow, removed 1 redundant places. [2025-03-08 22:07:26,181 INFO L231 Difference]: Finished difference. Result has 294 places, 289 transitions, 595 flow [2025-03-08 22:07:26,182 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=331, PETRI_DIFFERENCE_MINUEND_FLOW=585, PETRI_DIFFERENCE_MINUEND_PLACES=289, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=289, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=284, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=595, PETRI_PLACES=294, PETRI_TRANSITIONS=289} [2025-03-08 22:07:26,184 INFO L279 CegarLoopForPetriNet]: 304 programPoint places, -10 predicate places. [2025-03-08 22:07:26,184 INFO L471 AbstractCegarLoop]: Abstraction has has 294 places, 289 transitions, 595 flow [2025-03-08 22:07:26,185 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 284.5) internal successors, (1707), 6 states have internal predecessors, (1707), 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 22:07:26,185 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-08 22:07:26,185 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] [2025-03-08 22:07:26,185 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-03-08 22:07:26,186 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [thread1Err4ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE (and 32 more)] === [2025-03-08 22:07:26,187 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 22:07:26,187 INFO L85 PathProgramCache]: Analyzing trace with hash 68317669, now seen corresponding path program 1 times [2025-03-08 22:07:26,187 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 22:07:26,188 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [603276118] [2025-03-08 22:07:26,188 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 22:07:26,188 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 22:07:26,197 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 64 statements into 1 equivalence classes. [2025-03-08 22:07:26,202 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 64 of 64 statements. [2025-03-08 22:07:26,203 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 22:07:26,204 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 22:07:26,226 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 22:07:26,226 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 22:07:26,226 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [603276118] [2025-03-08 22:07:26,226 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [603276118] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 22:07:26,226 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 22:07:26,226 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-08 22:07:26,226 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [529838107] [2025-03-08 22:07:26,227 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 22:07:26,228 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 22:07:26,228 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 22:07:26,228 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 22:07:26,228 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 22:07:26,248 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 299 out of 331 [2025-03-08 22:07:26,249 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 294 places, 289 transitions, 595 flow. Second operand has 3 states, 3 states have (on average 300.3333333333333) internal successors, (901), 3 states have internal predecessors, (901), 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 22:07:26,249 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-08 22:07:26,249 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 299 of 331 [2025-03-08 22:07:26,250 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-08 22:07:26,321 INFO L124 PetriNetUnfolderBase]: 49/679 cut-off events. [2025-03-08 22:07:26,322 INFO L125 PetriNetUnfolderBase]: For 9/9 co-relation queries the response was YES. [2025-03-08 22:07:26,325 INFO L83 FinitePrefix]: Finished finitePrefix Result has 779 conditions, 679 events. 49/679 cut-off events. For 9/9 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 3202 event pairs, 38 based on Foata normal form. 0/609 useless extension candidates. Maximal degree in co-relation 761. Up to 81 conditions per place. [2025-03-08 22:07:26,327 INFO L140 encePairwiseOnDemand]: 328/331 looper letters, 14 selfloop transitions, 2 changer transitions 0/288 dead transitions. [2025-03-08 22:07:26,328 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 295 places, 288 transitions, 625 flow [2025-03-08 22:07:26,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-08 22:07:26,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-08 22:07:26,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 914 transitions. [2025-03-08 22:07:26,330 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9204431017119838 [2025-03-08 22:07:26,330 INFO L175 Difference]: Start difference. First operand has 294 places, 289 transitions, 595 flow. Second operand 3 states and 914 transitions. [2025-03-08 22:07:26,331 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 295 places, 288 transitions, 625 flow [2025-03-08 22:07:26,332 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 290 places, 288 transitions, 615 flow, removed 0 selfloop flow, removed 5 redundant places. [2025-03-08 22:07:26,336 INFO L231 Difference]: Finished difference. Result has 290 places, 288 transitions, 587 flow [2025-03-08 22:07:26,337 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=331, PETRI_DIFFERENCE_MINUEND_FLOW=583, PETRI_DIFFERENCE_MINUEND_PLACES=288, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=288, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=286, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=587, PETRI_PLACES=290, PETRI_TRANSITIONS=288} [2025-03-08 22:07:26,337 INFO L279 CegarLoopForPetriNet]: 304 programPoint places, -14 predicate places. [2025-03-08 22:07:26,339 INFO L471 AbstractCegarLoop]: Abstraction has has 290 places, 288 transitions, 587 flow [2025-03-08 22:07:26,339 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 300.3333333333333) internal successors, (901), 3 states have internal predecessors, (901), 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 22:07:26,339 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-08 22:07:26,340 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 22:07:26,340 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-03-08 22:07:26,340 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thread1Err4ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE (and 32 more)] === [2025-03-08 22:07:26,340 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 22:07:26,340 INFO L85 PathProgramCache]: Analyzing trace with hash -251643061, now seen corresponding path program 1 times [2025-03-08 22:07:26,340 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 22:07:26,340 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2117923050] [2025-03-08 22:07:26,340 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 22:07:26,341 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 22:07:26,346 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 68 statements into 1 equivalence classes. [2025-03-08 22:07:26,352 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 68 of 68 statements. [2025-03-08 22:07:26,352 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 22:07:26,352 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 22:07:26,384 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 22:07:26,384 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 22:07:26,384 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2117923050] [2025-03-08 22:07:26,384 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2117923050] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 22:07:26,384 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 22:07:26,384 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-08 22:07:26,385 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1097087433] [2025-03-08 22:07:26,386 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 22:07:26,386 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 22:07:26,386 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 22:07:26,386 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 22:07:26,387 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 22:07:26,403 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 296 out of 331 [2025-03-08 22:07:26,404 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 290 places, 288 transitions, 587 flow. Second operand has 3 states, 3 states have (on average 297.0) internal successors, (891), 3 states have internal predecessors, (891), 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 22:07:26,404 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-08 22:07:26,404 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 296 of 331 [2025-03-08 22:07:26,404 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-08 22:07:26,487 INFO L124 PetriNetUnfolderBase]: 60/891 cut-off events. [2025-03-08 22:07:26,487 INFO L125 PetriNetUnfolderBase]: For 21/21 co-relation queries the response was YES. [2025-03-08 22:07:26,492 INFO L83 FinitePrefix]: Finished finitePrefix Result has 997 conditions, 891 events. 60/891 cut-off events. For 21/21 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 4708 event pairs, 39 based on Foata normal form. 0/806 useless extension candidates. Maximal degree in co-relation 959. Up to 93 conditions per place. [2025-03-08 22:07:26,495 INFO L140 encePairwiseOnDemand]: 326/331 looper letters, 16 selfloop transitions, 1 changer transitions 0/284 dead transitions. [2025-03-08 22:07:26,496 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 288 places, 284 transitions, 613 flow [2025-03-08 22:07:26,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-08 22:07:26,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-08 22:07:26,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 909 transitions. [2025-03-08 22:07:26,498 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9154078549848943 [2025-03-08 22:07:26,498 INFO L175 Difference]: Start difference. First operand has 290 places, 288 transitions, 587 flow. Second operand 3 states and 909 transitions. [2025-03-08 22:07:26,498 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 288 places, 284 transitions, 613 flow [2025-03-08 22:07:26,499 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 286 places, 284 transitions, 609 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-03-08 22:07:26,502 INFO L231 Difference]: Finished difference. Result has 286 places, 284 transitions, 577 flow [2025-03-08 22:07:26,502 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=331, PETRI_DIFFERENCE_MINUEND_FLOW=575, PETRI_DIFFERENCE_MINUEND_PLACES=284, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=284, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=283, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=577, PETRI_PLACES=286, PETRI_TRANSITIONS=284} [2025-03-08 22:07:26,503 INFO L279 CegarLoopForPetriNet]: 304 programPoint places, -18 predicate places. [2025-03-08 22:07:26,503 INFO L471 AbstractCegarLoop]: Abstraction has has 286 places, 284 transitions, 577 flow [2025-03-08 22:07:26,504 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 297.0) internal successors, (891), 3 states have internal predecessors, (891), 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 22:07:26,505 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-08 22:07:26,505 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] [2025-03-08 22:07:26,505 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2025-03-08 22:07:26,505 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting thread1Err3ASSERT_VIOLATIONDATA_RACE === [thread1Err4ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE (and 32 more)] === [2025-03-08 22:07:26,506 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 22:07:26,506 INFO L85 PathProgramCache]: Analyzing trace with hash -2082753990, now seen corresponding path program 1 times [2025-03-08 22:07:26,506 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 22:07:26,506 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1266795055] [2025-03-08 22:07:26,506 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 22:07:26,506 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 22:07:26,516 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 88 statements into 1 equivalence classes. [2025-03-08 22:07:26,522 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 88 of 88 statements. [2025-03-08 22:07:26,524 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 22:07:26,524 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 22:07:26,555 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 22:07:26,556 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 22:07:26,556 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1266795055] [2025-03-08 22:07:26,556 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1266795055] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 22:07:26,556 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 22:07:26,556 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-08 22:07:26,556 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1675053879] [2025-03-08 22:07:26,556 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 22:07:26,556 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 22:07:26,561 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 22:07:26,561 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 22:07:26,561 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 22:07:26,573 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 302 out of 331 [2025-03-08 22:07:26,574 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 286 places, 284 transitions, 577 flow. Second operand has 3 states, 3 states have (on average 303.0) internal successors, (909), 3 states have internal predecessors, (909), 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 22:07:26,574 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-08 22:07:26,574 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 302 of 331 [2025-03-08 22:07:26,574 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-08 22:07:26,668 INFO L124 PetriNetUnfolderBase]: 48/745 cut-off events. [2025-03-08 22:07:26,668 INFO L125 PetriNetUnfolderBase]: For 8/9 co-relation queries the response was YES. [2025-03-08 22:07:26,671 INFO L83 FinitePrefix]: Finished finitePrefix Result has 840 conditions, 745 events. 48/745 cut-off events. For 8/9 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 3088 event pairs, 15 based on Foata normal form. 1/675 useless extension candidates. Maximal degree in co-relation 803. Up to 41 conditions per place. [2025-03-08 22:07:26,674 INFO L140 encePairwiseOnDemand]: 326/331 looper letters, 12 selfloop transitions, 2 changer transitions 2/286 dead transitions. [2025-03-08 22:07:26,674 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 286 places, 286 transitions, 615 flow [2025-03-08 22:07:26,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-08 22:07:26,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-08 22:07:26,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 924 transitions. [2025-03-08 22:07:26,676 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9305135951661632 [2025-03-08 22:07:26,676 INFO L175 Difference]: Start difference. First operand has 286 places, 284 transitions, 577 flow. Second operand 3 states and 924 transitions. [2025-03-08 22:07:26,676 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 286 places, 286 transitions, 615 flow [2025-03-08 22:07:26,678 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 285 places, 286 transitions, 614 flow, removed 0 selfloop flow, removed 1 redundant places. [2025-03-08 22:07:26,680 INFO L231 Difference]: Finished difference. Result has 285 places, 280 transitions, 571 flow [2025-03-08 22:07:26,681 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=331, PETRI_DIFFERENCE_MINUEND_FLOW=572, PETRI_DIFFERENCE_MINUEND_PLACES=283, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=282, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=280, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=571, PETRI_PLACES=285, PETRI_TRANSITIONS=280} [2025-03-08 22:07:26,681 INFO L279 CegarLoopForPetriNet]: 304 programPoint places, -19 predicate places. [2025-03-08 22:07:26,681 INFO L471 AbstractCegarLoop]: Abstraction has has 285 places, 280 transitions, 571 flow [2025-03-08 22:07:26,682 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 303.0) internal successors, (909), 3 states have internal predecessors, (909), 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 22:07:26,682 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-08 22:07:26,682 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] [2025-03-08 22:07:26,682 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2025-03-08 22:07:26,682 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting thread1Err2ASSERT_VIOLATIONDATA_RACE === [thread1Err4ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE (and 32 more)] === [2025-03-08 22:07:26,683 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 22:07:26,683 INFO L85 PathProgramCache]: Analyzing trace with hash -71803685, now seen corresponding path program 1 times [2025-03-08 22:07:26,683 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 22:07:26,683 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [310578262] [2025-03-08 22:07:26,683 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 22:07:26,684 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 22:07:26,692 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 90 statements into 1 equivalence classes. [2025-03-08 22:07:26,695 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 90 of 90 statements. [2025-03-08 22:07:26,696 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 22:07:26,696 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 22:07:26,717 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 22:07:26,717 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 22:07:26,717 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [310578262] [2025-03-08 22:07:26,717 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [310578262] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 22:07:26,717 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 22:07:26,717 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-08 22:07:26,717 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1897786168] [2025-03-08 22:07:26,717 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 22:07:26,717 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 22:07:26,718 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 22:07:26,718 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 22:07:26,718 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 22:07:26,731 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 299 out of 331 [2025-03-08 22:07:26,733 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 285 places, 280 transitions, 571 flow. Second operand has 3 states, 3 states have (on average 300.3333333333333) internal successors, (901), 3 states have internal predecessors, (901), 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 22:07:26,733 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-08 22:07:26,733 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 299 of 331 [2025-03-08 22:07:26,733 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-08 22:07:26,944 INFO L124 PetriNetUnfolderBase]: 184/1936 cut-off events. [2025-03-08 22:07:26,945 INFO L125 PetriNetUnfolderBase]: For 39/39 co-relation queries the response was YES. [2025-03-08 22:07:26,953 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2236 conditions, 1936 events. 184/1936 cut-off events. For 39/39 co-relation queries the response was YES. Maximal size of possible extension queue 42. Compared 14375 event pairs, 48 based on Foata normal form. 0/1755 useless extension candidates. Maximal degree in co-relation 2199. Up to 262 conditions per place. [2025-03-08 22:07:26,959 INFO L140 encePairwiseOnDemand]: 325/331 looper letters, 18 selfloop transitions, 3 changer transitions 0/284 dead transitions. [2025-03-08 22:07:26,960 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 282 places, 284 transitions, 625 flow [2025-03-08 22:07:26,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-08 22:07:26,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-08 22:07:26,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 921 transitions. [2025-03-08 22:07:26,962 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9274924471299094 [2025-03-08 22:07:26,962 INFO L175 Difference]: Start difference. First operand has 285 places, 280 transitions, 571 flow. Second operand 3 states and 921 transitions. [2025-03-08 22:07:26,962 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 282 places, 284 transitions, 625 flow [2025-03-08 22:07:26,964 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 280 places, 284 transitions, 621 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-03-08 22:07:26,966 INFO L231 Difference]: Finished difference. Result has 281 places, 280 transitions, 582 flow [2025-03-08 22:07:26,967 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=331, PETRI_DIFFERENCE_MINUEND_FLOW=561, PETRI_DIFFERENCE_MINUEND_PLACES=278, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=277, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=274, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=582, PETRI_PLACES=281, PETRI_TRANSITIONS=280} [2025-03-08 22:07:26,967 INFO L279 CegarLoopForPetriNet]: 304 programPoint places, -23 predicate places. [2025-03-08 22:07:26,967 INFO L471 AbstractCegarLoop]: Abstraction has has 281 places, 280 transitions, 582 flow [2025-03-08 22:07:26,968 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 300.3333333333333) internal successors, (901), 3 states have internal predecessors, (901), 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 22:07:26,968 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-08 22:07:26,968 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] [2025-03-08 22:07:26,968 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2025-03-08 22:07:26,968 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting thread1Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err4ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE (and 32 more)] === [2025-03-08 22:07:26,969 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 22:07:26,969 INFO L85 PathProgramCache]: Analyzing trace with hash -843780834, now seen corresponding path program 1 times [2025-03-08 22:07:26,969 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 22:07:26,969 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1311975654] [2025-03-08 22:07:26,969 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 22:07:26,969 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 22:07:26,976 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 96 statements into 1 equivalence classes. [2025-03-08 22:07:26,980 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 96 of 96 statements. [2025-03-08 22:07:26,981 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 22:07:26,981 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 22:07:27,088 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 22:07:27,088 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 22:07:27,088 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1311975654] [2025-03-08 22:07:27,088 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1311975654] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 22:07:27,088 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 22:07:27,088 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2025-03-08 22:07:27,088 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [414438109] [2025-03-08 22:07:27,088 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 22:07:27,089 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-03-08 22:07:27,089 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 22:07:27,089 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-03-08 22:07:27,089 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2025-03-08 22:07:27,207 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 294 out of 331 [2025-03-08 22:07:27,209 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 281 places, 280 transitions, 582 flow. Second operand has 7 states, 7 states have (on average 295.85714285714283) internal successors, (2071), 7 states have internal predecessors, (2071), 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 22:07:27,209 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-08 22:07:27,209 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 294 of 331 [2025-03-08 22:07:27,209 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-08 22:07:27,464 INFO L124 PetriNetUnfolderBase]: 152/1959 cut-off events. [2025-03-08 22:07:27,464 INFO L125 PetriNetUnfolderBase]: For 15/15 co-relation queries the response was YES. [2025-03-08 22:07:27,473 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2292 conditions, 1959 events. 152/1959 cut-off events. For 15/15 co-relation queries the response was YES. Maximal size of possible extension queue 44. Compared 13369 event pairs, 72 based on Foata normal form. 8/1800 useless extension candidates. Maximal degree in co-relation 2253. Up to 147 conditions per place. [2025-03-08 22:07:27,479 INFO L140 encePairwiseOnDemand]: 318/331 looper letters, 26 selfloop transitions, 14 changer transitions 0/298 dead transitions. [2025-03-08 22:07:27,479 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 290 places, 298 transitions, 705 flow [2025-03-08 22:07:27,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-03-08 22:07:27,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2025-03-08 22:07:27,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 2981 transitions. [2025-03-08 22:07:27,484 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9006042296072507 [2025-03-08 22:07:27,484 INFO L175 Difference]: Start difference. First operand has 281 places, 280 transitions, 582 flow. Second operand 10 states and 2981 transitions. [2025-03-08 22:07:27,484 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 290 places, 298 transitions, 705 flow [2025-03-08 22:07:27,485 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 290 places, 298 transitions, 705 flow, removed 0 selfloop flow, removed 0 redundant places. [2025-03-08 22:07:27,488 INFO L231 Difference]: Finished difference. Result has 294 places, 287 transitions, 648 flow [2025-03-08 22:07:27,488 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=331, PETRI_DIFFERENCE_MINUEND_FLOW=582, PETRI_DIFFERENCE_MINUEND_PLACES=281, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=280, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=268, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=648, PETRI_PLACES=294, PETRI_TRANSITIONS=287} [2025-03-08 22:07:27,488 INFO L279 CegarLoopForPetriNet]: 304 programPoint places, -10 predicate places. [2025-03-08 22:07:27,488 INFO L471 AbstractCegarLoop]: Abstraction has has 294 places, 287 transitions, 648 flow [2025-03-08 22:07:27,490 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 295.85714285714283) internal successors, (2071), 7 states have internal predecessors, (2071), 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 22:07:27,490 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-08 22:07:27,490 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] [2025-03-08 22:07:27,490 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2025-03-08 22:07:27,490 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting thread2Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err4ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE (and 32 more)] === [2025-03-08 22:07:27,490 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 22:07:27,490 INFO L85 PathProgramCache]: Analyzing trace with hash -1264686724, now seen corresponding path program 1 times [2025-03-08 22:07:27,490 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 22:07:27,491 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1568756394] [2025-03-08 22:07:27,491 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 22:07:27,491 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 22:07:27,512 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 100 statements into 1 equivalence classes. [2025-03-08 22:07:27,518 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 100 of 100 statements. [2025-03-08 22:07:27,519 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 22:07:27,519 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 22:07:27,603 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 22:07:27,603 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 22:07:27,603 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1568756394] [2025-03-08 22:07:27,603 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1568756394] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 22:07:27,603 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 22:07:27,603 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-08 22:07:27,603 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1109840723] [2025-03-08 22:07:27,604 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 22:07:27,604 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-08 22:07:27,605 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 22:07:27,605 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-08 22:07:27,605 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2025-03-08 22:07:27,641 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 296 out of 331 [2025-03-08 22:07:27,643 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 294 places, 287 transitions, 648 flow. Second operand has 5 states, 5 states have (on average 298.0) internal successors, (1490), 5 states have internal predecessors, (1490), 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 22:07:27,643 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-08 22:07:27,643 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 296 of 331 [2025-03-08 22:07:27,643 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-08 22:07:27,833 INFO L124 PetriNetUnfolderBase]: 196/1814 cut-off events. [2025-03-08 22:07:27,833 INFO L125 PetriNetUnfolderBase]: For 95/104 co-relation queries the response was YES. [2025-03-08 22:07:27,843 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2281 conditions, 1814 events. 196/1814 cut-off events. For 95/104 co-relation queries the response was YES. Maximal size of possible extension queue 47. Compared 12975 event pairs, 85 based on Foata normal form. 12/1656 useless extension candidates. Maximal degree in co-relation 2233. Up to 212 conditions per place. [2025-03-08 22:07:27,852 INFO L140 encePairwiseOnDemand]: 325/331 looper letters, 26 selfloop transitions, 5 changer transitions 0/299 dead transitions. [2025-03-08 22:07:27,852 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 298 places, 299 transitions, 741 flow [2025-03-08 22:07:27,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-08 22:07:27,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2025-03-08 22:07:27,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1512 transitions. [2025-03-08 22:07:27,856 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.913595166163142 [2025-03-08 22:07:27,856 INFO L175 Difference]: Start difference. First operand has 294 places, 287 transitions, 648 flow. Second operand 5 states and 1512 transitions. [2025-03-08 22:07:27,856 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 298 places, 299 transitions, 741 flow [2025-03-08 22:07:27,858 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 297 places, 299 transitions, 737 flow, removed 0 selfloop flow, removed 1 redundant places. [2025-03-08 22:07:27,860 INFO L231 Difference]: Finished difference. Result has 299 places, 289 transitions, 669 flow [2025-03-08 22:07:27,861 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=331, PETRI_DIFFERENCE_MINUEND_FLOW=644, PETRI_DIFFERENCE_MINUEND_PLACES=293, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=287, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=282, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=669, PETRI_PLACES=299, PETRI_TRANSITIONS=289} [2025-03-08 22:07:27,862 INFO L279 CegarLoopForPetriNet]: 304 programPoint places, -5 predicate places. [2025-03-08 22:07:27,863 INFO L471 AbstractCegarLoop]: Abstraction has has 299 places, 289 transitions, 669 flow [2025-03-08 22:07:27,863 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 298.0) internal successors, (1490), 5 states have internal predecessors, (1490), 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 22:07:27,863 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-08 22:07:27,864 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] [2025-03-08 22:07:27,864 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2025-03-08 22:07:27,864 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting thread2Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err4ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE (and 32 more)] === [2025-03-08 22:07:27,864 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 22:07:27,865 INFO L85 PathProgramCache]: Analyzing trace with hash 517301227, now seen corresponding path program 1 times [2025-03-08 22:07:27,865 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 22:07:27,865 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1735554476] [2025-03-08 22:07:27,865 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 22:07:27,865 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 22:07:27,872 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 105 statements into 1 equivalence classes. [2025-03-08 22:07:27,877 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 105 of 105 statements. [2025-03-08 22:07:27,877 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 22:07:27,877 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 22:07:28,174 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 22:07:28,174 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 22:07:28,174 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1735554476] [2025-03-08 22:07:28,174 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1735554476] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 22:07:28,174 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 22:07:28,174 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-08 22:07:28,175 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [588211842] [2025-03-08 22:07:28,175 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 22:07:28,175 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-08 22:07:28,175 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 22:07:28,175 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-08 22:07:28,175 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2025-03-08 22:07:28,324 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 294 out of 331 [2025-03-08 22:07:28,326 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 299 places, 289 transitions, 669 flow. Second operand has 6 states, 6 states have (on average 295.6666666666667) internal successors, (1774), 6 states have internal predecessors, (1774), 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 22:07:28,326 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-08 22:07:28,326 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 294 of 331 [2025-03-08 22:07:28,326 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-08 22:07:28,553 INFO L124 PetriNetUnfolderBase]: 246/2011 cut-off events. [2025-03-08 22:07:28,553 INFO L125 PetriNetUnfolderBase]: For 225/236 co-relation queries the response was YES. [2025-03-08 22:07:28,566 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2674 conditions, 2011 events. 246/2011 cut-off events. For 225/236 co-relation queries the response was YES. Maximal size of possible extension queue 51. Compared 14492 event pairs, 71 based on Foata normal form. 0/1835 useless extension candidates. Maximal degree in co-relation 2627. Up to 227 conditions per place. [2025-03-08 22:07:28,571 INFO L140 encePairwiseOnDemand]: 325/331 looper letters, 30 selfloop transitions, 5 changer transitions 0/300 dead transitions. [2025-03-08 22:07:28,571 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 303 places, 300 transitions, 769 flow [2025-03-08 22:07:28,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-08 22:07:28,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2025-03-08 22:07:28,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1798 transitions. [2025-03-08 22:07:28,574 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.905337361530715 [2025-03-08 22:07:28,574 INFO L175 Difference]: Start difference. First operand has 299 places, 289 transitions, 669 flow. Second operand 6 states and 1798 transitions. [2025-03-08 22:07:28,574 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 303 places, 300 transitions, 769 flow [2025-03-08 22:07:28,576 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 301 places, 300 transitions, 764 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-03-08 22:07:28,579 INFO L231 Difference]: Finished difference. Result has 301 places, 288 transitions, 672 flow [2025-03-08 22:07:28,579 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=331, PETRI_DIFFERENCE_MINUEND_FLOW=662, PETRI_DIFFERENCE_MINUEND_PLACES=296, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=288, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=283, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=672, PETRI_PLACES=301, PETRI_TRANSITIONS=288} [2025-03-08 22:07:28,580 INFO L279 CegarLoopForPetriNet]: 304 programPoint places, -3 predicate places. [2025-03-08 22:07:28,580 INFO L471 AbstractCegarLoop]: Abstraction has has 301 places, 288 transitions, 672 flow [2025-03-08 22:07:28,581 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 295.6666666666667) internal successors, (1774), 6 states have internal predecessors, (1774), 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 22:07:28,581 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-08 22:07:28,581 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 22:07:28,581 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2025-03-08 22:07:28,581 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting thread3Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err4ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE (and 32 more)] === [2025-03-08 22:07:28,582 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 22:07:28,582 INFO L85 PathProgramCache]: Analyzing trace with hash 922892611, now seen corresponding path program 1 times [2025-03-08 22:07:28,582 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 22:07:28,582 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [128653824] [2025-03-08 22:07:28,582 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 22:07:28,582 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 22:07:28,589 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 108 statements into 1 equivalence classes. [2025-03-08 22:07:28,594 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 108 of 108 statements. [2025-03-08 22:07:28,595 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 22:07:28,595 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 22:07:28,853 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 22:07:28,853 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 22:07:28,853 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [128653824] [2025-03-08 22:07:28,853 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [128653824] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 22:07:28,853 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 22:07:28,854 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-08 22:07:28,854 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1190983680] [2025-03-08 22:07:28,854 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 22:07:28,854 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-08 22:07:28,854 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 22:07:28,854 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-08 22:07:28,855 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2025-03-08 22:07:28,994 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 294 out of 331 [2025-03-08 22:07:28,996 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 301 places, 288 transitions, 672 flow. Second operand has 6 states, 6 states have (on average 295.8333333333333) internal successors, (1775), 6 states have internal predecessors, (1775), 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 22:07:28,996 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-08 22:07:28,996 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 294 of 331 [2025-03-08 22:07:28,996 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-08 22:07:29,222 INFO L124 PetriNetUnfolderBase]: 294/2139 cut-off events. [2025-03-08 22:07:29,222 INFO L125 PetriNetUnfolderBase]: For 182/196 co-relation queries the response was YES. [2025-03-08 22:07:29,231 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2828 conditions, 2139 events. 294/2139 cut-off events. For 182/196 co-relation queries the response was YES. Maximal size of possible extension queue 64. Compared 15918 event pairs, 64 based on Foata normal form. 0/1981 useless extension candidates. Maximal degree in co-relation 2781. Up to 226 conditions per place. [2025-03-08 22:07:29,235 INFO L140 encePairwiseOnDemand]: 325/331 looper letters, 28 selfloop transitions, 5 changer transitions 6/299 dead transitions. [2025-03-08 22:07:29,235 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 305 places, 299 transitions, 768 flow [2025-03-08 22:07:29,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-08 22:07:29,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2025-03-08 22:07:29,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1798 transitions. [2025-03-08 22:07:29,238 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.905337361530715 [2025-03-08 22:07:29,238 INFO L175 Difference]: Start difference. First operand has 301 places, 288 transitions, 672 flow. Second operand 6 states and 1798 transitions. [2025-03-08 22:07:29,238 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 305 places, 299 transitions, 768 flow [2025-03-08 22:07:29,241 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 300 places, 299 transitions, 758 flow, removed 0 selfloop flow, removed 5 redundant places. [2025-03-08 22:07:29,244 INFO L231 Difference]: Finished difference. Result has 300 places, 281 transitions, 638 flow [2025-03-08 22:07:29,244 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=331, PETRI_DIFFERENCE_MINUEND_FLOW=660, PETRI_DIFFERENCE_MINUEND_PLACES=295, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=287, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=282, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=638, PETRI_PLACES=300, PETRI_TRANSITIONS=281} [2025-03-08 22:07:29,246 INFO L279 CegarLoopForPetriNet]: 304 programPoint places, -4 predicate places. [2025-03-08 22:07:29,246 INFO L471 AbstractCegarLoop]: Abstraction has has 300 places, 281 transitions, 638 flow [2025-03-08 22:07:29,247 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 295.8333333333333) internal successors, (1775), 6 states have internal predecessors, (1775), 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 22:07:29,247 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-08 22:07:29,247 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] [2025-03-08 22:07:29,247 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2025-03-08 22:07:29,247 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting thread1Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err4ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE (and 32 more)] === [2025-03-08 22:07:29,248 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 22:07:29,248 INFO L85 PathProgramCache]: Analyzing trace with hash -603435293, now seen corresponding path program 1 times [2025-03-08 22:07:29,248 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 22:07:29,248 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1821648833] [2025-03-08 22:07:29,248 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 22:07:29,248 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 22:07:29,258 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 111 statements into 1 equivalence classes. [2025-03-08 22:07:29,263 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 111 of 111 statements. [2025-03-08 22:07:29,263 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 22:07:29,264 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 22:07:29,470 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-03-08 22:07:29,470 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 22:07:29,470 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1821648833] [2025-03-08 22:07:29,471 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1821648833] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 22:07:29,471 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 22:07:29,471 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-08 22:07:29,471 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1068221171] [2025-03-08 22:07:29,471 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 22:07:29,471 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-08 22:07:29,471 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 22:07:29,471 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-08 22:07:29,471 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2025-03-08 22:07:29,612 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 294 out of 331 [2025-03-08 22:07:29,613 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 300 places, 281 transitions, 638 flow. Second operand has 6 states, 6 states have (on average 296.1666666666667) internal successors, (1777), 6 states have internal predecessors, (1777), 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 22:07:29,613 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-08 22:07:29,613 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 294 of 331 [2025-03-08 22:07:29,614 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-08 22:07:29,805 INFO L124 PetriNetUnfolderBase]: 187/1834 cut-off events. [2025-03-08 22:07:29,806 INFO L125 PetriNetUnfolderBase]: For 43/45 co-relation queries the response was YES. [2025-03-08 22:07:29,816 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2381 conditions, 1834 events. 187/1834 cut-off events. For 43/45 co-relation queries the response was YES. Maximal size of possible extension queue 47. Compared 12144 event pairs, 53 based on Foata normal form. 0/1704 useless extension candidates. Maximal degree in co-relation 2334. Up to 163 conditions per place. [2025-03-08 22:07:29,820 INFO L140 encePairwiseOnDemand]: 325/331 looper letters, 32 selfloop transitions, 5 changer transitions 0/296 dead transitions. [2025-03-08 22:07:29,821 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 300 places, 296 transitions, 750 flow [2025-03-08 22:07:29,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-08 22:07:29,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2025-03-08 22:07:29,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1802 transitions. [2025-03-08 22:07:29,824 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9073514602215509 [2025-03-08 22:07:29,824 INFO L175 Difference]: Start difference. First operand has 300 places, 281 transitions, 638 flow. Second operand 6 states and 1802 transitions. [2025-03-08 22:07:29,824 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 300 places, 296 transitions, 750 flow [2025-03-08 22:07:29,826 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 289 places, 296 transitions, 720 flow, removed 4 selfloop flow, removed 11 redundant places. [2025-03-08 22:07:29,829 INFO L231 Difference]: Finished difference. Result has 289 places, 280 transitions, 616 flow [2025-03-08 22:07:29,829 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=331, PETRI_DIFFERENCE_MINUEND_FLOW=606, PETRI_DIFFERENCE_MINUEND_PLACES=284, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=280, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=275, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=616, PETRI_PLACES=289, PETRI_TRANSITIONS=280} [2025-03-08 22:07:29,829 INFO L279 CegarLoopForPetriNet]: 304 programPoint places, -15 predicate places. [2025-03-08 22:07:29,830 INFO L471 AbstractCegarLoop]: Abstraction has has 289 places, 280 transitions, 616 flow [2025-03-08 22:07:29,830 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 296.1666666666667) internal successors, (1777), 6 states have internal predecessors, (1777), 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 22:07:29,830 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-08 22:07:29,830 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] [2025-03-08 22:07:29,830 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2025-03-08 22:07:29,831 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting thread1Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err4ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE (and 32 more)] === [2025-03-08 22:07:29,831 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 22:07:29,831 INFO L85 PathProgramCache]: Analyzing trace with hash -971429088, now seen corresponding path program 1 times [2025-03-08 22:07:29,831 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 22:07:29,831 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [12262783] [2025-03-08 22:07:29,831 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 22:07:29,832 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 22:07:29,840 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 140 statements into 1 equivalence classes. [2025-03-08 22:07:29,845 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 140 of 140 statements. [2025-03-08 22:07:29,845 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 22:07:29,845 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 22:07:29,869 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-03-08 22:07:29,869 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 22:07:29,870 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [12262783] [2025-03-08 22:07:29,870 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [12262783] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 22:07:29,870 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 22:07:29,870 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-08 22:07:29,870 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1283130546] [2025-03-08 22:07:29,870 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 22:07:29,870 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 22:07:29,870 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 22:07:29,870 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 22:07:29,871 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 22:07:29,880 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 302 out of 331 [2025-03-08 22:07:29,880 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 289 places, 280 transitions, 616 flow. Second operand has 3 states, 3 states have (on average 303.6666666666667) internal successors, (911), 3 states have internal predecessors, (911), 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 22:07:29,881 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-08 22:07:29,881 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 302 of 331 [2025-03-08 22:07:29,881 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-08 22:07:30,033 INFO L124 PetriNetUnfolderBase]: 158/1605 cut-off events. [2025-03-08 22:07:30,034 INFO L125 PetriNetUnfolderBase]: For 17/17 co-relation queries the response was YES. [2025-03-08 22:07:30,042 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2006 conditions, 1605 events. 158/1605 cut-off events. For 17/17 co-relation queries the response was YES. Maximal size of possible extension queue 40. Compared 10284 event pairs, 54 based on Foata normal form. 0/1495 useless extension candidates. Maximal degree in co-relation 1965. Up to 167 conditions per place. [2025-03-08 22:07:30,044 INFO L140 encePairwiseOnDemand]: 328/331 looper letters, 0 selfloop transitions, 0 changer transitions 283/283 dead transitions. [2025-03-08 22:07:30,044 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 290 places, 283 transitions, 656 flow [2025-03-08 22:07:30,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-08 22:07:30,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-08 22:07:30,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 923 transitions. [2025-03-08 22:07:30,046 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9295065458207452 [2025-03-08 22:07:30,046 INFO L175 Difference]: Start difference. First operand has 289 places, 280 transitions, 616 flow. Second operand 3 states and 923 transitions. [2025-03-08 22:07:30,046 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 290 places, 283 transitions, 656 flow [2025-03-08 22:07:30,048 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 285 places, 283 transitions, 646 flow, removed 0 selfloop flow, removed 5 redundant places. [2025-03-08 22:07:30,049 INFO L231 Difference]: Finished difference. Result has 285 places, 0 transitions, 0 flow [2025-03-08 22:07:30,049 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=331, PETRI_DIFFERENCE_MINUEND_FLOW=604, PETRI_DIFFERENCE_MINUEND_PLACES=283, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=279, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=279, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=285, PETRI_TRANSITIONS=0} [2025-03-08 22:07:30,050 INFO L279 CegarLoopForPetriNet]: 304 programPoint places, -19 predicate places. [2025-03-08 22:07:30,050 INFO L471 AbstractCegarLoop]: Abstraction has has 285 places, 0 transitions, 0 flow [2025-03-08 22:07:30,050 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 303.6666666666667) internal successors, (911), 3 states have internal predecessors, (911), 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 22:07:30,052 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (35 of 36 remaining) [2025-03-08 22:07:30,052 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (34 of 36 remaining) [2025-03-08 22:07:30,053 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (33 of 36 remaining) [2025-03-08 22:07:30,053 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (32 of 36 remaining) [2025-03-08 22:07:30,053 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (31 of 36 remaining) [2025-03-08 22:07:30,053 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (30 of 36 remaining) [2025-03-08 22:07:30,053 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (29 of 36 remaining) [2025-03-08 22:07:30,053 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (28 of 36 remaining) [2025-03-08 22:07:30,053 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (27 of 36 remaining) [2025-03-08 22:07:30,053 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (26 of 36 remaining) [2025-03-08 22:07:30,053 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (25 of 36 remaining) [2025-03-08 22:07:30,053 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (24 of 36 remaining) [2025-03-08 22:07:30,053 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (23 of 36 remaining) [2025-03-08 22:07:30,053 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (22 of 36 remaining) [2025-03-08 22:07:30,053 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (21 of 36 remaining) [2025-03-08 22:07:30,053 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (20 of 36 remaining) [2025-03-08 22:07:30,053 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (19 of 36 remaining) [2025-03-08 22:07:30,053 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (18 of 36 remaining) [2025-03-08 22:07:30,054 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (17 of 36 remaining) [2025-03-08 22:07:30,054 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (16 of 36 remaining) [2025-03-08 22:07:30,054 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (15 of 36 remaining) [2025-03-08 22:07:30,054 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (14 of 36 remaining) [2025-03-08 22:07:30,054 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (13 of 36 remaining) [2025-03-08 22:07:30,054 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (12 of 36 remaining) [2025-03-08 22:07:30,054 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (11 of 36 remaining) [2025-03-08 22:07:30,054 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (10 of 36 remaining) [2025-03-08 22:07:30,054 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (9 of 36 remaining) [2025-03-08 22:07:30,054 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (8 of 36 remaining) [2025-03-08 22:07:30,054 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (7 of 36 remaining) [2025-03-08 22:07:30,054 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (6 of 36 remaining) [2025-03-08 22:07:30,054 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (5 of 36 remaining) [2025-03-08 22:07:30,054 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (4 of 36 remaining) [2025-03-08 22:07:30,054 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (3 of 36 remaining) [2025-03-08 22:07:30,055 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (2 of 36 remaining) [2025-03-08 22:07:30,055 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (1 of 36 remaining) [2025-03-08 22:07:30,055 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (0 of 36 remaining) [2025-03-08 22:07:30,055 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2025-03-08 22:07:30,055 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 22:07:30,058 INFO L241 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2025-03-08 22:07:30,059 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-03-08 22:07:30,062 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.03 10:07:30 BasicIcfg [2025-03-08 22:07:30,062 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-03-08 22:07:30,063 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-03-08 22:07:30,063 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-03-08 22:07:30,063 INFO L274 PluginConnector]: Witness Printer initialized [2025-03-08 22:07:30,064 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.03 10:07:23" (3/4) ... [2025-03-08 22:07:30,065 INFO L146 WitnessPrinter]: Generating witness for correct program [2025-03-08 22:07:30,066 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure thread1 [2025-03-08 22:07:30,067 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure thread2 [2025-03-08 22:07:30,067 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure thread3 [2025-03-08 22:07:30,070 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges [2025-03-08 22:07:30,070 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2025-03-08 22:07:30,070 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2025-03-08 22:07:30,070 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2025-03-08 22:07:30,126 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-03-08 22:07:30,126 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2025-03-08 22:07:30,126 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-03-08 22:07:30,127 INFO L158 Benchmark]: Toolchain (without parser) took 7033.36ms. Allocated memory was 142.6MB in the beginning and 335.5MB in the end (delta: 192.9MB). Free memory was 113.0MB in the beginning and 194.8MB in the end (delta: -81.7MB). Peak memory consumption was 106.6MB. Max. memory is 16.1GB. [2025-03-08 22:07:30,127 INFO L158 Benchmark]: CDTParser took 0.54ms. Allocated memory is still 201.3MB. Free memory is still 123.5MB. There was no memory consumed. Max. memory is 16.1GB. [2025-03-08 22:07:30,128 INFO L158 Benchmark]: CACSL2BoogieTranslator took 204.76ms. Allocated memory is still 142.6MB. Free memory was 113.0MB in the beginning and 100.3MB in the end (delta: 12.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-08 22:07:30,128 INFO L158 Benchmark]: Boogie Procedure Inliner took 30.17ms. Allocated memory is still 142.6MB. Free memory was 100.3MB in the beginning and 97.9MB in the end (delta: 2.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-08 22:07:30,128 INFO L158 Benchmark]: Boogie Preprocessor took 20.30ms. Allocated memory is still 142.6MB. Free memory was 97.9MB in the beginning and 96.4MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-08 22:07:30,128 INFO L158 Benchmark]: IcfgBuilder took 544.74ms. Allocated memory is still 142.6MB. Free memory was 96.4MB in the beginning and 69.8MB in the end (delta: 26.6MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2025-03-08 22:07:30,128 INFO L158 Benchmark]: TraceAbstraction took 6163.95ms. Allocated memory was 142.6MB in the beginning and 335.5MB in the end (delta: 192.9MB). Free memory was 69.3MB in the beginning and 198.6MB in the end (delta: -129.3MB). Peak memory consumption was 190.5MB. Max. memory is 16.1GB. [2025-03-08 22:07:30,128 INFO L158 Benchmark]: Witness Printer took 63.52ms. Allocated memory is still 335.5MB. Free memory was 198.6MB in the beginning and 194.8MB in the end (delta: 3.9MB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-08 22:07:30,129 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.54ms. Allocated memory is still 201.3MB. Free memory is still 123.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 204.76ms. Allocated memory is still 142.6MB. Free memory was 113.0MB in the beginning and 100.3MB in the end (delta: 12.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 30.17ms. Allocated memory is still 142.6MB. Free memory was 100.3MB in the beginning and 97.9MB in the end (delta: 2.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 20.30ms. Allocated memory is still 142.6MB. Free memory was 97.9MB in the beginning and 96.4MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * IcfgBuilder took 544.74ms. Allocated memory is still 142.6MB. Free memory was 96.4MB in the beginning and 69.8MB in the end (delta: 26.6MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * TraceAbstraction took 6163.95ms. Allocated memory was 142.6MB in the beginning and 335.5MB in the end (delta: 192.9MB). Free memory was 69.3MB in the beginning and 198.6MB in the end (delta: -129.3MB). Peak memory consumption was 190.5MB. Max. memory is 16.1GB. * Witness Printer took 63.52ms. Allocated memory is still 335.5MB. Free memory was 198.6MB in the beginning and 194.8MB in the end (delta: 3.9MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 46]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 47]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 47]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 47]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 48]: 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: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 65]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 65]: 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: 77]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 78]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 102]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 78]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 80]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 80]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 80]: 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 - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 484 locations, 513 edges, 36 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 6.0s, OverallIterations: 14, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 3.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 910 SdHoareTripleChecker+Valid, 1.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 545 mSDsluCounter, 337 SdHoareTripleChecker+Invalid, 0.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 279 mSDsCounter, 162 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1387 IncrementalHoareTripleChecker+Invalid, 1549 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 162 mSolverCounterUnsat, 58 mSDtfsCounter, 1387 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 57 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=672occurred in iteration=11, InterpolantAutomatonStates: 63, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.7s InterpolantComputationTime, 1120 NumberOfCodeBlocks, 1120 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 1106 ConstructedInterpolants, 0 QuantifiedInterpolants, 1804 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 14 InterpolantComputations, 14 PerfectInterpolantSequences, 2/2 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 21 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2025-03-08 22:07:30,141 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