./Ultimate.py --spec ../sv-benchmarks/c/properties/no-data-race.prp --file ../sv-benchmarks/c/weaver/test-easy7.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/test-easy7.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 2089b8408f47d976db10454bec1f56d65e439056bc0b2c5e33c1e775793bdc1f --- Real Ultimate output --- This is Ultimate 0.3.0-?-e2fb8be-m [2025-03-08 22:08:15,415 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-08 22:08:15,460 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2025-03-08 22:08:15,464 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-08 22:08:15,464 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-08 22:08:15,483 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-08 22:08:15,485 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-08 22:08:15,485 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-08 22:08:15,486 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-08 22:08:15,486 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-08 22:08:15,487 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-08 22:08:15,487 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-08 22:08:15,487 INFO L153 SettingsManager]: * Use SBE=true [2025-03-08 22:08:15,487 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-08 22:08:15,487 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-08 22:08:15,487 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-08 22:08:15,487 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-08 22:08:15,487 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-08 22:08:15,487 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-08 22:08:15,487 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-08 22:08:15,487 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-08 22:08:15,487 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-08 22:08:15,488 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2025-03-08 22:08:15,488 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-03-08 22:08:15,488 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-08 22:08:15,488 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-08 22:08:15,488 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-08 22:08:15,488 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-08 22:08:15,488 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-08 22:08:15,488 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-08 22:08:15,488 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-08 22:08:15,488 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-08 22:08:15,488 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-08 22:08:15,488 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-08 22:08:15,488 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-08 22:08:15,488 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-08 22:08:15,488 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-08 22:08:15,488 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-08 22:08:15,488 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-08 22:08:15,488 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-08 22:08:15,488 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-08 22:08:15,488 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-08 22:08:15,488 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 -> 2089b8408f47d976db10454bec1f56d65e439056bc0b2c5e33c1e775793bdc1f [2025-03-08 22:08:15,710 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-08 22:08:15,718 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-08 22:08:15,720 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-08 22:08:15,721 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-08 22:08:15,721 INFO L274 PluginConnector]: CDTParser initialized [2025-03-08 22:08:15,722 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/weaver/test-easy7.wvr.c [2025-03-08 22:08:16,850 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/881c622ab/1e4f8fbe333340f9ae7612144b8e084e/FLAG3ae17b4e9 [2025-03-08 22:08:17,053 INFO L384 CDTParser]: Found 1 translation units. [2025-03-08 22:08:17,054 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/test-easy7.wvr.c [2025-03-08 22:08:17,085 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/881c622ab/1e4f8fbe333340f9ae7612144b8e084e/FLAG3ae17b4e9 [2025-03-08 22:08:17,109 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/881c622ab/1e4f8fbe333340f9ae7612144b8e084e [2025-03-08 22:08:17,113 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-08 22:08:17,115 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-08 22:08:17,117 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-08 22:08:17,117 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-08 22:08:17,121 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-08 22:08:17,122 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.03 10:08:17" (1/1) ... [2025-03-08 22:08:17,125 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@28d9c86c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 10:08:17, skipping insertion in model container [2025-03-08 22:08:17,125 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.03 10:08:17" (1/1) ... [2025-03-08 22:08:17,137 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-08 22:08:17,262 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-08 22:08:17,268 INFO L200 MainTranslator]: Completed pre-run [2025-03-08 22:08:17,279 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-08 22:08:17,288 INFO L204 MainTranslator]: Completed translation [2025-03-08 22:08:17,288 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 10:08:17 WrapperNode [2025-03-08 22:08:17,289 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-08 22:08:17,289 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-08 22:08:17,289 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-08 22:08:17,289 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-08 22:08:17,294 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 10:08:17" (1/1) ... [2025-03-08 22:08:17,298 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 10:08:17" (1/1) ... [2025-03-08 22:08:17,312 INFO L138 Inliner]: procedures = 20, calls = 11, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 61 [2025-03-08 22:08:17,312 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-08 22:08:17,313 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-08 22:08:17,314 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-08 22:08:17,314 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-08 22:08:17,318 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 10:08:17" (1/1) ... [2025-03-08 22:08:17,319 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 10:08:17" (1/1) ... [2025-03-08 22:08:17,324 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 10:08:17" (1/1) ... [2025-03-08 22:08:17,324 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 10:08:17" (1/1) ... [2025-03-08 22:08:17,327 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 10:08:17" (1/1) ... [2025-03-08 22:08:17,331 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 10:08:17" (1/1) ... [2025-03-08 22:08:17,331 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 10:08:17" (1/1) ... [2025-03-08 22:08:17,332 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 10:08:17" (1/1) ... [2025-03-08 22:08:17,333 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-08 22:08:17,337 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-08 22:08:17,337 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-08 22:08:17,337 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-08 22:08:17,338 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 10:08:17" (1/1) ... [2025-03-08 22:08:17,344 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-08 22:08:17,354 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-08 22:08:17,364 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 22:08:17,366 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 22:08:17,381 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-08 22:08:17,381 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2025-03-08 22:08:17,381 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2025-03-08 22:08:17,382 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2025-03-08 22:08:17,382 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2025-03-08 22:08:17,382 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2025-03-08 22:08:17,382 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-08 22:08:17,382 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-08 22:08:17,382 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 22:08:17,436 INFO L256 CfgBuilder]: Building ICFG [2025-03-08 22:08:17,438 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-08 22:08:17,616 INFO L303 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-03-08 22:08:17,616 INFO L307 CfgBuilder]: Performing block encoding [2025-03-08 22:08:17,624 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-08 22:08:17,624 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-08 22:08:17,625 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.03 10:08:17 BoogieIcfgContainer [2025-03-08 22:08:17,625 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-08 22:08:17,626 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-08 22:08:17,627 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-08 22:08:17,629 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-08 22:08:17,630 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.03 10:08:17" (1/3) ... [2025-03-08 22:08:17,630 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@9dc72df and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.03 10:08:17, skipping insertion in model container [2025-03-08 22:08:17,630 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 10:08:17" (2/3) ... [2025-03-08 22:08:17,630 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@9dc72df and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.03 10:08:17, skipping insertion in model container [2025-03-08 22:08:17,630 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.03 10:08:17" (3/3) ... [2025-03-08 22:08:17,631 INFO L128 eAbstractionObserver]: Analyzing ICFG test-easy7.wvr.c [2025-03-08 22:08:17,641 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-08 22:08:17,642 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG test-easy7.wvr.c that has 3 procedures, 173 locations, 1 initial locations, 0 loop locations, and 22 error locations. [2025-03-08 22:08:17,643 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-03-08 22:08:17,717 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2025-03-08 22:08:17,753 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 179 places, 174 transitions, 362 flow [2025-03-08 22:08:17,804 INFO L124 PetriNetUnfolderBase]: 2/172 cut-off events. [2025-03-08 22:08:17,806 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2025-03-08 22:08:17,811 INFO L83 FinitePrefix]: Finished finitePrefix Result has 181 conditions, 172 events. 2/172 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 177 event pairs, 0 based on Foata normal form. 0/148 useless extension candidates. Maximal degree in co-relation 100. Up to 2 conditions per place. [2025-03-08 22:08:17,811 INFO L82 GeneralOperation]: Start removeDead. Operand has 179 places, 174 transitions, 362 flow [2025-03-08 22:08:17,816 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 161 places, 155 transitions, 322 flow [2025-03-08 22:08:17,826 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-08 22:08:17,834 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;@73b4b8d0, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-08 22:08:17,834 INFO L334 AbstractCegarLoop]: Starting to check reachability of 40 error locations. [2025-03-08 22:08:17,837 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2025-03-08 22:08:17,838 INFO L124 PetriNetUnfolderBase]: 0/17 cut-off events. [2025-03-08 22:08:17,838 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-03-08 22:08:17,838 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-08 22:08:17,838 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 22:08:17,839 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [thread1Err7ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE, thread1Err5ASSERT_VIOLATIONDATA_RACE, thread1Err4ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2025-03-08 22:08:17,842 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 22:08:17,843 INFO L85 PathProgramCache]: Analyzing trace with hash 1932366241, now seen corresponding path program 1 times [2025-03-08 22:08:17,849 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 22:08:17,849 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1655624679] [2025-03-08 22:08:17,849 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 22:08:17,850 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 22:08:17,903 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 17 statements into 1 equivalence classes. [2025-03-08 22:08:17,909 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 17 of 17 statements. [2025-03-08 22:08:17,910 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 22:08:17,910 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 22:08:17,957 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-08 22:08:17,959 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 22:08:17,960 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1655624679] [2025-03-08 22:08:17,960 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1655624679] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 22:08:17,960 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 22:08:17,961 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-08 22:08:17,961 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1575087240] [2025-03-08 22:08:17,962 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 22:08:17,966 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 22:08:17,969 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 22:08:17,985 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 22:08:17,986 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 22:08:18,056 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 150 out of 174 [2025-03-08 22:08:18,062 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 161 places, 155 transitions, 322 flow. Second operand has 3 states, 3 states have (on average 151.33333333333334) internal successors, (454), 3 states have internal predecessors, (454), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-08 22:08:18,062 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-08 22:08:18,062 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 150 of 174 [2025-03-08 22:08:18,064 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-08 22:08:18,132 INFO L124 PetriNetUnfolderBase]: 8/207 cut-off events. [2025-03-08 22:08:18,132 INFO L125 PetriNetUnfolderBase]: For 33/34 co-relation queries the response was YES. [2025-03-08 22:08:18,133 INFO L83 FinitePrefix]: Finished finitePrefix Result has 260 conditions, 207 events. 8/207 cut-off events. For 33/34 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 424 event pairs, 8 based on Foata normal form. 1/172 useless extension candidates. Maximal degree in co-relation 185. Up to 34 conditions per place. [2025-03-08 22:08:18,135 INFO L140 encePairwiseOnDemand]: 170/174 looper letters, 17 selfloop transitions, 2 changer transitions 1/153 dead transitions. [2025-03-08 22:08:18,135 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 162 places, 153 transitions, 356 flow [2025-03-08 22:08:18,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-08 22:08:18,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-08 22:08:18,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 471 transitions. [2025-03-08 22:08:18,148 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9022988505747126 [2025-03-08 22:08:18,152 INFO L175 Difference]: Start difference. First operand has 161 places, 155 transitions, 322 flow. Second operand 3 states and 471 transitions. [2025-03-08 22:08:18,152 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 162 places, 153 transitions, 356 flow [2025-03-08 22:08:18,156 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 158 places, 153 transitions, 348 flow, removed 0 selfloop flow, removed 4 redundant places. [2025-03-08 22:08:18,161 INFO L231 Difference]: Finished difference. Result has 158 places, 152 transitions, 312 flow [2025-03-08 22:08:18,163 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=174, PETRI_DIFFERENCE_MINUEND_FLOW=310, PETRI_DIFFERENCE_MINUEND_PLACES=156, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=153, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=151, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=312, PETRI_PLACES=158, PETRI_TRANSITIONS=152} [2025-03-08 22:08:18,167 INFO L279 CegarLoopForPetriNet]: 161 programPoint places, -3 predicate places. [2025-03-08 22:08:18,168 INFO L471 AbstractCegarLoop]: Abstraction has has 158 places, 152 transitions, 312 flow [2025-03-08 22:08:18,172 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 151.33333333333334) internal successors, (454), 3 states have internal predecessors, (454), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-08 22:08:18,172 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-08 22:08:18,172 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] [2025-03-08 22:08:18,173 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-03-08 22:08:18,173 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [thread1Err7ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE, thread1Err5ASSERT_VIOLATIONDATA_RACE, thread1Err4ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2025-03-08 22:08:18,174 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 22:08:18,174 INFO L85 PathProgramCache]: Analyzing trace with hash -1384071790, now seen corresponding path program 1 times [2025-03-08 22:08:18,174 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 22:08:18,174 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2039684289] [2025-03-08 22:08:18,175 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 22:08:18,175 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 22:08:18,181 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 24 statements into 1 equivalence classes. [2025-03-08 22:08:18,185 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 24 of 24 statements. [2025-03-08 22:08:18,189 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 22:08:18,189 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 22:08:18,217 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-08 22:08:18,217 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 22:08:18,217 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2039684289] [2025-03-08 22:08:18,217 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2039684289] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 22:08:18,221 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 22:08:18,221 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-08 22:08:18,221 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1822361196] [2025-03-08 22:08:18,221 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 22:08:18,222 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 22:08:18,225 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 22:08:18,225 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 22:08:18,225 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 22:08:18,293 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 150 out of 174 [2025-03-08 22:08:18,294 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 158 places, 152 transitions, 312 flow. Second operand has 3 states, 3 states have (on average 151.33333333333334) internal successors, (454), 3 states have internal predecessors, (454), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-08 22:08:18,294 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-08 22:08:18,294 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 150 of 174 [2025-03-08 22:08:18,294 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-08 22:08:18,338 INFO L124 PetriNetUnfolderBase]: 8/205 cut-off events. [2025-03-08 22:08:18,338 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2025-03-08 22:08:18,339 INFO L83 FinitePrefix]: Finished finitePrefix Result has 255 conditions, 205 events. 8/205 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 508 event pairs, 8 based on Foata normal form. 0/177 useless extension candidates. Maximal degree in co-relation 230. Up to 34 conditions per place. [2025-03-08 22:08:18,340 INFO L140 encePairwiseOnDemand]: 171/174 looper letters, 17 selfloop transitions, 2 changer transitions 0/151 dead transitions. [2025-03-08 22:08:18,340 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 158 places, 151 transitions, 348 flow [2025-03-08 22:08:18,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-08 22:08:18,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-08 22:08:18,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 470 transitions. [2025-03-08 22:08:18,344 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9003831417624522 [2025-03-08 22:08:18,344 INFO L175 Difference]: Start difference. First operand has 158 places, 152 transitions, 312 flow. Second operand 3 states and 470 transitions. [2025-03-08 22:08:18,344 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 158 places, 151 transitions, 348 flow [2025-03-08 22:08:18,345 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 156 places, 151 transitions, 344 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-03-08 22:08:18,347 INFO L231 Difference]: Finished difference. Result has 156 places, 151 transitions, 310 flow [2025-03-08 22:08:18,347 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=174, PETRI_DIFFERENCE_MINUEND_FLOW=306, PETRI_DIFFERENCE_MINUEND_PLACES=154, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=151, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=149, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=310, PETRI_PLACES=156, PETRI_TRANSITIONS=151} [2025-03-08 22:08:18,348 INFO L279 CegarLoopForPetriNet]: 161 programPoint places, -5 predicate places. [2025-03-08 22:08:18,348 INFO L471 AbstractCegarLoop]: Abstraction has has 156 places, 151 transitions, 310 flow [2025-03-08 22:08:18,349 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 151.33333333333334) internal successors, (454), 3 states have internal predecessors, (454), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-08 22:08:18,349 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-08 22:08:18,349 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 22:08:18,349 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-03-08 22:08:18,349 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thread1Err7ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE, thread1Err5ASSERT_VIOLATIONDATA_RACE, thread1Err4ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2025-03-08 22:08:18,349 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 22:08:18,350 INFO L85 PathProgramCache]: Analyzing trace with hash 1564177239, now seen corresponding path program 1 times [2025-03-08 22:08:18,350 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 22:08:18,350 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [17289409] [2025-03-08 22:08:18,350 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 22:08:18,350 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 22:08:18,369 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 28 statements into 1 equivalence classes. [2025-03-08 22:08:18,372 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 28 of 28 statements. [2025-03-08 22:08:18,372 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 22:08:18,372 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 22:08:18,408 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-08 22:08:18,410 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 22:08:18,410 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [17289409] [2025-03-08 22:08:18,410 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [17289409] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 22:08:18,410 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 22:08:18,410 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-08 22:08:18,410 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1141173657] [2025-03-08 22:08:18,410 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 22:08:18,410 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 22:08:18,411 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 22:08:18,412 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 22:08:18,412 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 22:08:18,456 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 144 out of 174 [2025-03-08 22:08:18,457 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 156 places, 151 transitions, 310 flow. Second operand has 3 states, 3 states have (on average 145.0) internal successors, (435), 3 states have internal predecessors, (435), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-08 22:08:18,457 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-08 22:08:18,457 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 144 of 174 [2025-03-08 22:08:18,457 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-08 22:08:18,482 INFO L124 PetriNetUnfolderBase]: 12/199 cut-off events. [2025-03-08 22:08:18,482 INFO L125 PetriNetUnfolderBase]: For 14/15 co-relation queries the response was YES. [2025-03-08 22:08:18,483 INFO L83 FinitePrefix]: Finished finitePrefix Result has 251 conditions, 199 events. 12/199 cut-off events. For 14/15 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 455 event pairs, 8 based on Foata normal form. 0/172 useless extension candidates. Maximal degree in co-relation 219. Up to 31 conditions per place. [2025-03-08 22:08:18,484 INFO L140 encePairwiseOnDemand]: 159/174 looper letters, 13 selfloop transitions, 9 changer transitions 0/146 dead transitions. [2025-03-08 22:08:18,484 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 152 places, 146 transitions, 345 flow [2025-03-08 22:08:18,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-08 22:08:18,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-08 22:08:18,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 460 transitions. [2025-03-08 22:08:18,485 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8812260536398467 [2025-03-08 22:08:18,486 INFO L175 Difference]: Start difference. First operand has 156 places, 151 transitions, 310 flow. Second operand 3 states and 460 transitions. [2025-03-08 22:08:18,486 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 152 places, 146 transitions, 345 flow [2025-03-08 22:08:18,487 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 150 places, 146 transitions, 341 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-03-08 22:08:18,488 INFO L231 Difference]: Finished difference. Result has 150 places, 145 transitions, 312 flow [2025-03-08 22:08:18,488 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=174, PETRI_DIFFERENCE_MINUEND_FLOW=294, PETRI_DIFFERENCE_MINUEND_PLACES=148, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=145, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=136, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=312, PETRI_PLACES=150, PETRI_TRANSITIONS=145} [2025-03-08 22:08:18,489 INFO L279 CegarLoopForPetriNet]: 161 programPoint places, -11 predicate places. [2025-03-08 22:08:18,489 INFO L471 AbstractCegarLoop]: Abstraction has has 150 places, 145 transitions, 312 flow [2025-03-08 22:08:18,489 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 145.0) internal successors, (435), 3 states have internal predecessors, (435), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-08 22:08:18,489 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-08 22:08:18,490 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] [2025-03-08 22:08:18,490 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-03-08 22:08:18,490 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err7ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE, thread1Err5ASSERT_VIOLATIONDATA_RACE, thread1Err4ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2025-03-08 22:08:18,490 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 22:08:18,490 INFO L85 PathProgramCache]: Analyzing trace with hash -64220828, now seen corresponding path program 1 times [2025-03-08 22:08:18,490 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 22:08:18,491 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1704991944] [2025-03-08 22:08:18,491 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 22:08:18,491 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 22:08:18,495 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 30 statements into 1 equivalence classes. [2025-03-08 22:08:18,497 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 30 of 30 statements. [2025-03-08 22:08:18,497 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 22:08:18,497 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 22:08:18,513 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-08 22:08:18,513 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 22:08:18,513 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1704991944] [2025-03-08 22:08:18,514 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1704991944] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 22:08:18,515 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 22:08:18,515 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-08 22:08:18,515 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1466134529] [2025-03-08 22:08:18,515 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 22:08:18,516 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 22:08:18,516 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 22:08:18,516 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 22:08:18,516 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 22:08:18,551 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 144 out of 174 [2025-03-08 22:08:18,551 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 150 places, 145 transitions, 312 flow. Second operand has 3 states, 3 states have (on average 145.0) internal successors, (435), 3 states have internal predecessors, (435), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-08 22:08:18,552 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-08 22:08:18,552 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 144 of 174 [2025-03-08 22:08:18,552 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-08 22:08:18,575 INFO L124 PetriNetUnfolderBase]: 12/193 cut-off events. [2025-03-08 22:08:18,575 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2025-03-08 22:08:18,575 INFO L83 FinitePrefix]: Finished finitePrefix Result has 263 conditions, 193 events. 12/193 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 476 event pairs, 8 based on Foata normal form. 1/180 useless extension candidates. Maximal degree in co-relation 180. Up to 29 conditions per place. [2025-03-08 22:08:18,576 INFO L140 encePairwiseOnDemand]: 159/174 looper letters, 11 selfloop transitions, 8 changer transitions 4/140 dead transitions. [2025-03-08 22:08:18,576 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 146 places, 140 transitions, 345 flow [2025-03-08 22:08:18,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-08 22:08:18,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-08 22:08:18,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 459 transitions. [2025-03-08 22:08:18,577 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8793103448275862 [2025-03-08 22:08:18,577 INFO L175 Difference]: Start difference. First operand has 150 places, 145 transitions, 312 flow. Second operand 3 states and 459 transitions. [2025-03-08 22:08:18,578 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 146 places, 140 transitions, 345 flow [2025-03-08 22:08:18,578 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 144 places, 140 transitions, 327 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-03-08 22:08:18,580 INFO L231 Difference]: Finished difference. Result has 144 places, 135 transitions, 289 flow [2025-03-08 22:08:18,580 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=174, PETRI_DIFFERENCE_MINUEND_FLOW=282, PETRI_DIFFERENCE_MINUEND_PLACES=142, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=139, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=131, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=289, PETRI_PLACES=144, PETRI_TRANSITIONS=135} [2025-03-08 22:08:18,580 INFO L279 CegarLoopForPetriNet]: 161 programPoint places, -17 predicate places. [2025-03-08 22:08:18,581 INFO L471 AbstractCegarLoop]: Abstraction has has 144 places, 135 transitions, 289 flow [2025-03-08 22:08:18,581 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 145.0) internal successors, (435), 3 states have internal predecessors, (435), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-08 22:08:18,581 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-08 22:08:18,581 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] [2025-03-08 22:08:18,581 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-03-08 22:08:18,581 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting thread1Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err7ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE, thread1Err5ASSERT_VIOLATIONDATA_RACE, thread1Err4ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2025-03-08 22:08:18,582 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 22:08:18,582 INFO L85 PathProgramCache]: Analyzing trace with hash -389528987, now seen corresponding path program 1 times [2025-03-08 22:08:18,582 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 22:08:18,582 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [316657597] [2025-03-08 22:08:18,582 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 22:08:18,582 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 22:08:18,588 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 48 statements into 1 equivalence classes. [2025-03-08 22:08:18,600 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 48 of 48 statements. [2025-03-08 22:08:18,600 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 22:08:18,600 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 22:08:18,641 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-08 22:08:18,642 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 22:08:18,642 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [316657597] [2025-03-08 22:08:18,642 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [316657597] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 22:08:18,642 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 22:08:18,642 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-08 22:08:18,643 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [752130228] [2025-03-08 22:08:18,643 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 22:08:18,643 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 22:08:18,644 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 22:08:18,644 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 22:08:18,644 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 22:08:18,688 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 152 out of 174 [2025-03-08 22:08:18,688 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 144 places, 135 transitions, 289 flow. Second operand has 3 states, 3 states have (on average 154.33333333333334) internal successors, (463), 3 states have internal predecessors, (463), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-08 22:08:18,688 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-08 22:08:18,689 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 152 of 174 [2025-03-08 22:08:18,689 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-08 22:08:18,709 INFO L124 PetriNetUnfolderBase]: 11/186 cut-off events. [2025-03-08 22:08:18,709 INFO L125 PetriNetUnfolderBase]: For 12/12 co-relation queries the response was YES. [2025-03-08 22:08:18,710 INFO L83 FinitePrefix]: Finished finitePrefix Result has 255 conditions, 186 events. 11/186 cut-off events. For 12/12 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 443 event pairs, 9 based on Foata normal form. 0/175 useless extension candidates. Maximal degree in co-relation 87. Up to 33 conditions per place. [2025-03-08 22:08:18,710 INFO L140 encePairwiseOnDemand]: 171/174 looper letters, 15 selfloop transitions, 2 changer transitions 0/135 dead transitions. [2025-03-08 22:08:18,710 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 141 places, 135 transitions, 324 flow [2025-03-08 22:08:18,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-08 22:08:18,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-08 22:08:18,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 474 transitions. [2025-03-08 22:08:18,711 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9080459770114943 [2025-03-08 22:08:18,712 INFO L175 Difference]: Start difference. First operand has 144 places, 135 transitions, 289 flow. Second operand 3 states and 474 transitions. [2025-03-08 22:08:18,712 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 141 places, 135 transitions, 324 flow [2025-03-08 22:08:18,713 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 139 places, 135 transitions, 308 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-03-08 22:08:18,714 INFO L231 Difference]: Finished difference. Result has 139 places, 134 transitions, 275 flow [2025-03-08 22:08:18,714 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=174, PETRI_DIFFERENCE_MINUEND_FLOW=271, PETRI_DIFFERENCE_MINUEND_PLACES=137, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=134, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=132, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=275, PETRI_PLACES=139, PETRI_TRANSITIONS=134} [2025-03-08 22:08:18,715 INFO L279 CegarLoopForPetriNet]: 161 programPoint places, -22 predicate places. [2025-03-08 22:08:18,715 INFO L471 AbstractCegarLoop]: Abstraction has has 139 places, 134 transitions, 275 flow [2025-03-08 22:08:18,716 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 154.33333333333334) internal successors, (463), 3 states have internal predecessors, (463), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-08 22:08:18,717 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-08 22:08:18,717 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] [2025-03-08 22:08:18,717 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-03-08 22:08:18,717 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting thread2Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err7ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE, thread1Err5ASSERT_VIOLATIONDATA_RACE, thread1Err4ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2025-03-08 22:08:18,718 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 22:08:18,718 INFO L85 PathProgramCache]: Analyzing trace with hash -1528185361, now seen corresponding path program 1 times [2025-03-08 22:08:18,718 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 22:08:18,718 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [858666826] [2025-03-08 22:08:18,718 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 22:08:18,718 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 22:08:18,723 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 54 statements into 1 equivalence classes. [2025-03-08 22:08:18,726 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 54 of 54 statements. [2025-03-08 22:08:18,726 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 22:08:18,726 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 22:08:18,760 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-08 22:08:18,761 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 22:08:18,761 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [858666826] [2025-03-08 22:08:18,761 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [858666826] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 22:08:18,761 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 22:08:18,761 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-08 22:08:18,761 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1822607930] [2025-03-08 22:08:18,761 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 22:08:18,761 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 22:08:18,762 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 22:08:18,762 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 22:08:18,762 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 22:08:18,795 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 152 out of 174 [2025-03-08 22:08:18,796 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 139 places, 134 transitions, 275 flow. Second operand has 3 states, 3 states have (on average 154.66666666666666) internal successors, (464), 3 states have internal predecessors, (464), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-08 22:08:18,796 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-08 22:08:18,796 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 152 of 174 [2025-03-08 22:08:18,796 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-08 22:08:18,816 INFO L124 PetriNetUnfolderBase]: 11/185 cut-off events. [2025-03-08 22:08:18,816 INFO L125 PetriNetUnfolderBase]: For 12/13 co-relation queries the response was YES. [2025-03-08 22:08:18,817 INFO L83 FinitePrefix]: Finished finitePrefix Result has 230 conditions, 185 events. 11/185 cut-off events. For 12/13 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 370 event pairs, 3 based on Foata normal form. 0/167 useless extension candidates. Maximal degree in co-relation 171. Up to 33 conditions per place. [2025-03-08 22:08:18,817 INFO L140 encePairwiseOnDemand]: 171/174 looper letters, 15 selfloop transitions, 2 changer transitions 0/134 dead transitions. [2025-03-08 22:08:18,818 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 140 places, 134 transitions, 310 flow [2025-03-08 22:08:18,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-08 22:08:18,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-08 22:08:18,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 474 transitions. [2025-03-08 22:08:18,819 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9080459770114943 [2025-03-08 22:08:18,819 INFO L175 Difference]: Start difference. First operand has 139 places, 134 transitions, 275 flow. Second operand 3 states and 474 transitions. [2025-03-08 22:08:18,819 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 140 places, 134 transitions, 310 flow [2025-03-08 22:08:18,820 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 138 places, 134 transitions, 306 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-03-08 22:08:18,821 INFO L231 Difference]: Finished difference. Result has 138 places, 133 transitions, 273 flow [2025-03-08 22:08:18,821 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=174, PETRI_DIFFERENCE_MINUEND_FLOW=269, PETRI_DIFFERENCE_MINUEND_PLACES=136, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=133, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=131, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=273, PETRI_PLACES=138, PETRI_TRANSITIONS=133} [2025-03-08 22:08:18,821 INFO L279 CegarLoopForPetriNet]: 161 programPoint places, -23 predicate places. [2025-03-08 22:08:18,822 INFO L471 AbstractCegarLoop]: Abstraction has has 138 places, 133 transitions, 273 flow [2025-03-08 22:08:18,822 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 154.66666666666666) internal successors, (464), 3 states have internal predecessors, (464), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-08 22:08:18,822 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-08 22:08:18,822 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] [2025-03-08 22:08:18,822 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2025-03-08 22:08:18,822 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting thread1Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err7ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE, thread1Err5ASSERT_VIOLATIONDATA_RACE, thread1Err4ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2025-03-08 22:08:18,823 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 22:08:18,823 INFO L85 PathProgramCache]: Analyzing trace with hash 546092613, now seen corresponding path program 1 times [2025-03-08 22:08:18,823 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 22:08:18,823 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [789253885] [2025-03-08 22:08:18,823 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 22:08:18,823 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 22:08:18,829 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 57 statements into 1 equivalence classes. [2025-03-08 22:08:18,835 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 57 of 57 statements. [2025-03-08 22:08:18,837 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 22:08:18,838 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 22:08:18,872 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-08 22:08:18,872 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 22:08:18,872 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [789253885] [2025-03-08 22:08:18,872 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [789253885] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 22:08:18,872 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 22:08:18,872 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-08 22:08:18,872 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [489294340] [2025-03-08 22:08:18,872 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 22:08:18,872 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 22:08:18,873 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 22:08:18,873 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 22:08:18,873 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 22:08:18,913 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 152 out of 174 [2025-03-08 22:08:18,914 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 138 places, 133 transitions, 273 flow. Second operand has 3 states, 3 states have (on average 155.0) internal successors, (465), 3 states have internal predecessors, (465), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-08 22:08:18,914 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-08 22:08:18,914 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 152 of 174 [2025-03-08 22:08:18,914 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-08 22:08:18,951 INFO L124 PetriNetUnfolderBase]: 11/183 cut-off events. [2025-03-08 22:08:18,951 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2025-03-08 22:08:18,952 INFO L83 FinitePrefix]: Finished finitePrefix Result has 239 conditions, 183 events. 11/183 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 420 event pairs, 9 based on Foata normal form. 0/175 useless extension candidates. Maximal degree in co-relation 198. Up to 33 conditions per place. [2025-03-08 22:08:18,952 INFO L140 encePairwiseOnDemand]: 171/174 looper letters, 15 selfloop transitions, 2 changer transitions 0/133 dead transitions. [2025-03-08 22:08:18,952 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 139 places, 133 transitions, 308 flow [2025-03-08 22:08:18,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-08 22:08:18,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-08 22:08:18,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 474 transitions. [2025-03-08 22:08:18,953 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9080459770114943 [2025-03-08 22:08:18,954 INFO L175 Difference]: Start difference. First operand has 138 places, 133 transitions, 273 flow. Second operand 3 states and 474 transitions. [2025-03-08 22:08:18,954 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 139 places, 133 transitions, 308 flow [2025-03-08 22:08:18,955 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 137 places, 133 transitions, 304 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-03-08 22:08:18,956 INFO L231 Difference]: Finished difference. Result has 137 places, 132 transitions, 271 flow [2025-03-08 22:08:18,957 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=174, PETRI_DIFFERENCE_MINUEND_FLOW=267, PETRI_DIFFERENCE_MINUEND_PLACES=135, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=132, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=130, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=271, PETRI_PLACES=137, PETRI_TRANSITIONS=132} [2025-03-08 22:08:18,957 INFO L279 CegarLoopForPetriNet]: 161 programPoint places, -24 predicate places. [2025-03-08 22:08:18,958 INFO L471 AbstractCegarLoop]: Abstraction has has 137 places, 132 transitions, 271 flow [2025-03-08 22:08:18,959 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 155.0) internal successors, (465), 3 states have internal predecessors, (465), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-08 22:08:18,959 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-08 22:08:18,959 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] [2025-03-08 22:08:18,959 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2025-03-08 22:08:18,959 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting thread2Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err7ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE, thread1Err5ASSERT_VIOLATIONDATA_RACE, thread1Err4ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2025-03-08 22:08:18,959 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 22:08:18,959 INFO L85 PathProgramCache]: Analyzing trace with hash -964084054, now seen corresponding path program 1 times [2025-03-08 22:08:18,960 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 22:08:18,960 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1482266545] [2025-03-08 22:08:18,960 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 22:08:18,960 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 22:08:18,966 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 63 statements into 1 equivalence classes. [2025-03-08 22:08:18,969 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 63 of 63 statements. [2025-03-08 22:08:18,969 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 22:08:18,969 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 22:08:19,012 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-08 22:08:19,012 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 22:08:19,012 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1482266545] [2025-03-08 22:08:19,012 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1482266545] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 22:08:19,013 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 22:08:19,013 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-08 22:08:19,014 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [773395091] [2025-03-08 22:08:19,014 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 22:08:19,014 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 22:08:19,014 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 22:08:19,014 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 22:08:19,014 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 22:08:19,050 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 152 out of 174 [2025-03-08 22:08:19,051 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 137 places, 132 transitions, 271 flow. Second operand has 3 states, 3 states have (on average 155.33333333333334) internal successors, (466), 3 states have internal predecessors, (466), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-08 22:08:19,051 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-08 22:08:19,051 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 152 of 174 [2025-03-08 22:08:19,051 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-08 22:08:19,066 INFO L124 PetriNetUnfolderBase]: 11/182 cut-off events. [2025-03-08 22:08:19,067 INFO L125 PetriNetUnfolderBase]: For 12/13 co-relation queries the response was YES. [2025-03-08 22:08:19,067 INFO L83 FinitePrefix]: Finished finitePrefix Result has 227 conditions, 182 events. 11/182 cut-off events. For 12/13 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 381 event pairs, 5 based on Foata normal form. 0/167 useless extension candidates. Maximal degree in co-relation 159. Up to 33 conditions per place. [2025-03-08 22:08:19,068 INFO L140 encePairwiseOnDemand]: 171/174 looper letters, 15 selfloop transitions, 2 changer transitions 0/132 dead transitions. [2025-03-08 22:08:19,068 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 138 places, 132 transitions, 306 flow [2025-03-08 22:08:19,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-08 22:08:19,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-08 22:08:19,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 474 transitions. [2025-03-08 22:08:19,069 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9080459770114943 [2025-03-08 22:08:19,069 INFO L175 Difference]: Start difference. First operand has 137 places, 132 transitions, 271 flow. Second operand 3 states and 474 transitions. [2025-03-08 22:08:19,069 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 138 places, 132 transitions, 306 flow [2025-03-08 22:08:19,070 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 136 places, 132 transitions, 302 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-03-08 22:08:19,071 INFO L231 Difference]: Finished difference. Result has 136 places, 131 transitions, 269 flow [2025-03-08 22:08:19,071 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=174, PETRI_DIFFERENCE_MINUEND_FLOW=265, PETRI_DIFFERENCE_MINUEND_PLACES=134, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=131, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=129, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=269, PETRI_PLACES=136, PETRI_TRANSITIONS=131} [2025-03-08 22:08:19,072 INFO L279 CegarLoopForPetriNet]: 161 programPoint places, -25 predicate places. [2025-03-08 22:08:19,072 INFO L471 AbstractCegarLoop]: Abstraction has has 136 places, 131 transitions, 269 flow [2025-03-08 22:08:19,072 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 155.33333333333334) internal successors, (466), 3 states have internal predecessors, (466), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-08 22:08:19,072 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-08 22:08:19,072 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] [2025-03-08 22:08:19,072 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2025-03-08 22:08:19,072 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting thread1Err2ASSERT_VIOLATIONDATA_RACE === [thread1Err7ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE, thread1Err5ASSERT_VIOLATIONDATA_RACE, thread1Err4ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2025-03-08 22:08:19,073 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 22:08:19,073 INFO L85 PathProgramCache]: Analyzing trace with hash 1380210928, now seen corresponding path program 1 times [2025-03-08 22:08:19,073 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 22:08:19,073 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [399090204] [2025-03-08 22:08:19,073 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 22:08:19,073 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 22:08:19,077 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 66 statements into 1 equivalence classes. [2025-03-08 22:08:19,080 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 66 of 66 statements. [2025-03-08 22:08:19,080 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 22:08:19,080 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 22:08:19,097 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-08 22:08:19,098 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 22:08:19,098 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [399090204] [2025-03-08 22:08:19,098 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [399090204] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 22:08:19,098 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 22:08:19,098 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-08 22:08:19,098 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1044313269] [2025-03-08 22:08:19,098 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 22:08:19,098 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 22:08:19,098 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 22:08:19,098 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 22:08:19,098 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 22:08:19,139 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 152 out of 174 [2025-03-08 22:08:19,140 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 136 places, 131 transitions, 269 flow. Second operand has 3 states, 3 states have (on average 155.66666666666666) internal successors, (467), 3 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-08 22:08:19,140 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-08 22:08:19,140 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 152 of 174 [2025-03-08 22:08:19,140 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-08 22:08:19,157 INFO L124 PetriNetUnfolderBase]: 11/180 cut-off events. [2025-03-08 22:08:19,157 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2025-03-08 22:08:19,159 INFO L83 FinitePrefix]: Finished finitePrefix Result has 236 conditions, 180 events. 11/180 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 400 event pairs, 9 based on Foata normal form. 0/175 useless extension candidates. Maximal degree in co-relation 205. Up to 33 conditions per place. [2025-03-08 22:08:19,159 INFO L140 encePairwiseOnDemand]: 171/174 looper letters, 15 selfloop transitions, 2 changer transitions 0/131 dead transitions. [2025-03-08 22:08:19,159 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 137 places, 131 transitions, 304 flow [2025-03-08 22:08:19,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-08 22:08:19,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-08 22:08:19,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 474 transitions. [2025-03-08 22:08:19,160 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9080459770114943 [2025-03-08 22:08:19,160 INFO L175 Difference]: Start difference. First operand has 136 places, 131 transitions, 269 flow. Second operand 3 states and 474 transitions. [2025-03-08 22:08:19,160 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 137 places, 131 transitions, 304 flow [2025-03-08 22:08:19,161 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 135 places, 131 transitions, 300 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-03-08 22:08:19,162 INFO L231 Difference]: Finished difference. Result has 135 places, 130 transitions, 267 flow [2025-03-08 22:08:19,163 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=174, PETRI_DIFFERENCE_MINUEND_FLOW=263, PETRI_DIFFERENCE_MINUEND_PLACES=133, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=130, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=128, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=267, PETRI_PLACES=135, PETRI_TRANSITIONS=130} [2025-03-08 22:08:19,163 INFO L279 CegarLoopForPetriNet]: 161 programPoint places, -26 predicate places. [2025-03-08 22:08:19,163 INFO L471 AbstractCegarLoop]: Abstraction has has 135 places, 130 transitions, 267 flow [2025-03-08 22:08:19,164 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 155.66666666666666) internal successors, (467), 3 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-08 22:08:19,164 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-08 22:08:19,164 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] [2025-03-08 22:08:19,164 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2025-03-08 22:08:19,165 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting thread2Err2ASSERT_VIOLATIONDATA_RACE === [thread1Err7ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE, thread1Err5ASSERT_VIOLATIONDATA_RACE, thread1Err4ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2025-03-08 22:08:19,165 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 22:08:19,166 INFO L85 PathProgramCache]: Analyzing trace with hash 1625758426, now seen corresponding path program 1 times [2025-03-08 22:08:19,166 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 22:08:19,166 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1985949323] [2025-03-08 22:08:19,166 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 22:08:19,166 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 22:08:19,173 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 72 statements into 1 equivalence classes. [2025-03-08 22:08:19,177 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 72 of 72 statements. [2025-03-08 22:08:19,179 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 22:08:19,179 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 22:08:19,211 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-08 22:08:19,212 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 22:08:19,212 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1985949323] [2025-03-08 22:08:19,212 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1985949323] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 22:08:19,212 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 22:08:19,212 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-08 22:08:19,212 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1339236864] [2025-03-08 22:08:19,212 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 22:08:19,213 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 22:08:19,213 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 22:08:19,213 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 22:08:19,213 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 22:08:19,248 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 152 out of 174 [2025-03-08 22:08:19,248 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 135 places, 130 transitions, 267 flow. Second operand has 3 states, 3 states have (on average 156.0) internal successors, (468), 3 states have internal predecessors, (468), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-08 22:08:19,249 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-08 22:08:19,249 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 152 of 174 [2025-03-08 22:08:19,249 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-08 22:08:19,263 INFO L124 PetriNetUnfolderBase]: 11/179 cut-off events. [2025-03-08 22:08:19,263 INFO L125 PetriNetUnfolderBase]: For 12/13 co-relation queries the response was YES. [2025-03-08 22:08:19,264 INFO L83 FinitePrefix]: Finished finitePrefix Result has 224 conditions, 179 events. 11/179 cut-off events. For 12/13 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 391 event pairs, 7 based on Foata normal form. 0/167 useless extension candidates. Maximal degree in co-relation 147. Up to 33 conditions per place. [2025-03-08 22:08:19,264 INFO L140 encePairwiseOnDemand]: 171/174 looper letters, 15 selfloop transitions, 2 changer transitions 0/130 dead transitions. [2025-03-08 22:08:19,264 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 136 places, 130 transitions, 302 flow [2025-03-08 22:08:19,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-08 22:08:19,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-08 22:08:19,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 474 transitions. [2025-03-08 22:08:19,266 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9080459770114943 [2025-03-08 22:08:19,266 INFO L175 Difference]: Start difference. First operand has 135 places, 130 transitions, 267 flow. Second operand 3 states and 474 transitions. [2025-03-08 22:08:19,266 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 136 places, 130 transitions, 302 flow [2025-03-08 22:08:19,266 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 134 places, 130 transitions, 298 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-03-08 22:08:19,267 INFO L231 Difference]: Finished difference. Result has 134 places, 129 transitions, 265 flow [2025-03-08 22:08:19,267 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=174, PETRI_DIFFERENCE_MINUEND_FLOW=261, PETRI_DIFFERENCE_MINUEND_PLACES=132, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=129, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=127, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=265, PETRI_PLACES=134, PETRI_TRANSITIONS=129} [2025-03-08 22:08:19,268 INFO L279 CegarLoopForPetriNet]: 161 programPoint places, -27 predicate places. [2025-03-08 22:08:19,268 INFO L471 AbstractCegarLoop]: Abstraction has has 134 places, 129 transitions, 265 flow [2025-03-08 22:08:19,268 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 156.0) internal successors, (468), 3 states have internal predecessors, (468), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-08 22:08:19,268 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-08 22:08:19,268 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 22:08:19,269 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2025-03-08 22:08:19,269 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting thread1Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err7ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE, thread1Err5ASSERT_VIOLATIONDATA_RACE, thread1Err4ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2025-03-08 22:08:19,269 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 22:08:19,269 INFO L85 PathProgramCache]: Analyzing trace with hash -201768656, now seen corresponding path program 1 times [2025-03-08 22:08:19,269 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 22:08:19,269 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1773604121] [2025-03-08 22:08:19,269 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 22:08:19,270 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 22:08:19,274 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 75 statements into 1 equivalence classes. [2025-03-08 22:08:19,276 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 75 of 75 statements. [2025-03-08 22:08:19,276 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 22:08:19,277 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 22:08:19,311 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-08 22:08:19,311 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 22:08:19,311 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1773604121] [2025-03-08 22:08:19,311 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1773604121] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 22:08:19,311 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 22:08:19,311 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-08 22:08:19,311 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1508656252] [2025-03-08 22:08:19,312 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 22:08:19,312 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 22:08:19,312 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 22:08:19,312 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 22:08:19,312 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 22:08:19,349 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 152 out of 174 [2025-03-08 22:08:19,349 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 134 places, 129 transitions, 265 flow. Second operand has 3 states, 3 states have (on average 156.33333333333334) internal successors, (469), 3 states have internal predecessors, (469), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-08 22:08:19,350 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-08 22:08:19,350 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 152 of 174 [2025-03-08 22:08:19,350 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-08 22:08:19,366 INFO L124 PetriNetUnfolderBase]: 11/177 cut-off events. [2025-03-08 22:08:19,366 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2025-03-08 22:08:19,366 INFO L83 FinitePrefix]: Finished finitePrefix Result has 233 conditions, 177 events. 11/177 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 388 event pairs, 9 based on Foata normal form. 0/175 useless extension candidates. Maximal degree in co-relation 212. Up to 33 conditions per place. [2025-03-08 22:08:19,366 INFO L140 encePairwiseOnDemand]: 171/174 looper letters, 15 selfloop transitions, 2 changer transitions 5/129 dead transitions. [2025-03-08 22:08:19,367 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 135 places, 129 transitions, 300 flow [2025-03-08 22:08:19,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-08 22:08:19,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-08 22:08:19,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 474 transitions. [2025-03-08 22:08:19,368 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9080459770114943 [2025-03-08 22:08:19,368 INFO L175 Difference]: Start difference. First operand has 134 places, 129 transitions, 265 flow. Second operand 3 states and 474 transitions. [2025-03-08 22:08:19,368 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 135 places, 129 transitions, 300 flow [2025-03-08 22:08:19,369 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 133 places, 129 transitions, 296 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-03-08 22:08:19,369 INFO L231 Difference]: Finished difference. Result has 133 places, 123 transitions, 253 flow [2025-03-08 22:08:19,370 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=174, PETRI_DIFFERENCE_MINUEND_FLOW=259, PETRI_DIFFERENCE_MINUEND_PLACES=131, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=128, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=126, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=253, PETRI_PLACES=133, PETRI_TRANSITIONS=123} [2025-03-08 22:08:19,370 INFO L279 CegarLoopForPetriNet]: 161 programPoint places, -28 predicate places. [2025-03-08 22:08:19,370 INFO L471 AbstractCegarLoop]: Abstraction has has 133 places, 123 transitions, 253 flow [2025-03-08 22:08:19,371 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 156.33333333333334) internal successors, (469), 3 states have internal predecessors, (469), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-08 22:08:19,371 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-08 22:08:19,371 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] [2025-03-08 22:08:19,371 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2025-03-08 22:08:19,371 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting thread2Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err7ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE, thread1Err5ASSERT_VIOLATIONDATA_RACE, thread1Err4ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2025-03-08 22:08:19,372 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 22:08:19,372 INFO L85 PathProgramCache]: Analyzing trace with hash 957198133, now seen corresponding path program 1 times [2025-03-08 22:08:19,372 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 22:08:19,372 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1519795319] [2025-03-08 22:08:19,372 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 22:08:19,372 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 22:08:19,378 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 81 statements into 1 equivalence classes. [2025-03-08 22:08:19,382 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 81 of 81 statements. [2025-03-08 22:08:19,383 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 22:08:19,383 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 22:08:19,401 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-08 22:08:19,401 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 22:08:19,401 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1519795319] [2025-03-08 22:08:19,401 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1519795319] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 22:08:19,401 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 22:08:19,401 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-08 22:08:19,401 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1711268544] [2025-03-08 22:08:19,401 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 22:08:19,402 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 22:08:19,402 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 22:08:19,402 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 22:08:19,402 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 22:08:19,465 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 152 out of 174 [2025-03-08 22:08:19,466 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 133 places, 123 transitions, 253 flow. Second operand has 3 states, 3 states have (on average 156.66666666666666) internal successors, (470), 3 states have internal predecessors, (470), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-08 22:08:19,466 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-08 22:08:19,466 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 152 of 174 [2025-03-08 22:08:19,466 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-08 22:08:19,478 INFO L124 PetriNetUnfolderBase]: 9/164 cut-off events. [2025-03-08 22:08:19,478 INFO L125 PetriNetUnfolderBase]: For 10/11 co-relation queries the response was YES. [2025-03-08 22:08:19,479 INFO L83 FinitePrefix]: Finished finitePrefix Result has 203 conditions, 164 events. 9/164 cut-off events. For 10/11 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 305 event pairs, 8 based on Foata normal form. 2/159 useless extension candidates. Maximal degree in co-relation 117. Up to 30 conditions per place. [2025-03-08 22:08:19,479 INFO L140 encePairwiseOnDemand]: 172/174 looper letters, 0 selfloop transitions, 0 changer transitions 123/123 dead transitions. [2025-03-08 22:08:19,479 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 129 places, 123 transitions, 284 flow [2025-03-08 22:08:19,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-08 22:08:19,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-08 22:08:19,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 472 transitions. [2025-03-08 22:08:19,480 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9042145593869731 [2025-03-08 22:08:19,480 INFO L175 Difference]: Start difference. First operand has 133 places, 123 transitions, 253 flow. Second operand 3 states and 472 transitions. [2025-03-08 22:08:19,480 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 129 places, 123 transitions, 284 flow [2025-03-08 22:08:19,481 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 127 places, 123 transitions, 280 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-03-08 22:08:19,481 INFO L231 Difference]: Finished difference. Result has 127 places, 0 transitions, 0 flow [2025-03-08 22:08:19,482 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=174, PETRI_DIFFERENCE_MINUEND_FLOW=247, PETRI_DIFFERENCE_MINUEND_PLACES=125, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=122, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=122, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=127, PETRI_TRANSITIONS=0} [2025-03-08 22:08:19,482 INFO L279 CegarLoopForPetriNet]: 161 programPoint places, -34 predicate places. [2025-03-08 22:08:19,482 INFO L471 AbstractCegarLoop]: Abstraction has has 127 places, 0 transitions, 0 flow [2025-03-08 22:08:19,482 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 156.66666666666666) internal successors, (470), 3 states have internal predecessors, (470), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-08 22:08:19,485 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (39 of 40 remaining) [2025-03-08 22:08:19,486 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (38 of 40 remaining) [2025-03-08 22:08:19,486 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (37 of 40 remaining) [2025-03-08 22:08:19,486 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (36 of 40 remaining) [2025-03-08 22:08:19,486 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (35 of 40 remaining) [2025-03-08 22:08:19,486 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (34 of 40 remaining) [2025-03-08 22:08:19,486 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (33 of 40 remaining) [2025-03-08 22:08:19,486 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (32 of 40 remaining) [2025-03-08 22:08:19,486 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (31 of 40 remaining) [2025-03-08 22:08:19,486 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (30 of 40 remaining) [2025-03-08 22:08:19,487 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (29 of 40 remaining) [2025-03-08 22:08:19,487 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (28 of 40 remaining) [2025-03-08 22:08:19,487 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (27 of 40 remaining) [2025-03-08 22:08:19,487 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (26 of 40 remaining) [2025-03-08 22:08:19,487 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (25 of 40 remaining) [2025-03-08 22:08:19,487 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (24 of 40 remaining) [2025-03-08 22:08:19,487 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (23 of 40 remaining) [2025-03-08 22:08:19,487 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (22 of 40 remaining) [2025-03-08 22:08:19,487 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (21 of 40 remaining) [2025-03-08 22:08:19,487 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (20 of 40 remaining) [2025-03-08 22:08:19,487 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (19 of 40 remaining) [2025-03-08 22:08:19,487 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (18 of 40 remaining) [2025-03-08 22:08:19,487 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (17 of 40 remaining) [2025-03-08 22:08:19,487 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (16 of 40 remaining) [2025-03-08 22:08:19,487 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (15 of 40 remaining) [2025-03-08 22:08:19,487 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (14 of 40 remaining) [2025-03-08 22:08:19,487 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (13 of 40 remaining) [2025-03-08 22:08:19,487 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (12 of 40 remaining) [2025-03-08 22:08:19,487 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (11 of 40 remaining) [2025-03-08 22:08:19,487 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (10 of 40 remaining) [2025-03-08 22:08:19,487 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (9 of 40 remaining) [2025-03-08 22:08:19,487 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (8 of 40 remaining) [2025-03-08 22:08:19,487 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (7 of 40 remaining) [2025-03-08 22:08:19,487 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (6 of 40 remaining) [2025-03-08 22:08:19,487 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (5 of 40 remaining) [2025-03-08 22:08:19,487 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (4 of 40 remaining) [2025-03-08 22:08:19,487 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (3 of 40 remaining) [2025-03-08 22:08:19,487 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (2 of 40 remaining) [2025-03-08 22:08:19,487 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (1 of 40 remaining) [2025-03-08 22:08:19,487 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (0 of 40 remaining) [2025-03-08 22:08:19,487 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2025-03-08 22:08:19,488 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 22:08:19,492 INFO L241 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2025-03-08 22:08:19,492 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-03-08 22:08:19,498 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.03 10:08:19 BasicIcfg [2025-03-08 22:08:19,499 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-03-08 22:08:19,499 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-03-08 22:08:19,500 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-03-08 22:08:19,500 INFO L274 PluginConnector]: Witness Printer initialized [2025-03-08 22:08:19,500 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.03 10:08:17" (3/4) ... [2025-03-08 22:08:19,501 INFO L146 WitnessPrinter]: Generating witness for correct program [2025-03-08 22:08:19,504 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure thread1 [2025-03-08 22:08:19,504 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure thread2 [2025-03-08 22:08:19,508 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2025-03-08 22:08:19,508 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2025-03-08 22:08:19,509 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2025-03-08 22:08:19,509 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2025-03-08 22:08:19,572 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-03-08 22:08:19,573 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2025-03-08 22:08:19,573 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-03-08 22:08:19,574 INFO L158 Benchmark]: Toolchain (without parser) took 2458.79ms. Allocated memory is still 167.8MB. Free memory was 123.1MB in the beginning and 116.7MB in the end (delta: 6.4MB). Peak memory consumption was 709.9kB. Max. memory is 16.1GB. [2025-03-08 22:08:19,574 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 201.3MB. Free memory is still 120.7MB. There was no memory consumed. Max. memory is 16.1GB. [2025-03-08 22:08:19,574 INFO L158 Benchmark]: CACSL2BoogieTranslator took 172.22ms. Allocated memory is still 167.8MB. Free memory was 123.1MB in the beginning and 111.7MB in the end (delta: 11.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-08 22:08:19,575 INFO L158 Benchmark]: Boogie Procedure Inliner took 23.85ms. Allocated memory is still 167.8MB. Free memory was 111.7MB in the beginning and 110.7MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-08 22:08:19,575 INFO L158 Benchmark]: Boogie Preprocessor took 22.95ms. Allocated memory is still 167.8MB. Free memory was 110.7MB in the beginning and 109.8MB in the end (delta: 907.4kB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-08 22:08:19,576 INFO L158 Benchmark]: IcfgBuilder took 287.81ms. Allocated memory is still 167.8MB. Free memory was 109.8MB in the beginning and 94.4MB in the end (delta: 15.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-03-08 22:08:19,576 INFO L158 Benchmark]: TraceAbstraction took 1872.67ms. Allocated memory is still 167.8MB. Free memory was 93.5MB in the beginning and 122.2MB in the end (delta: -28.7MB). Peak memory consumption was 59.4MB. Max. memory is 16.1GB. [2025-03-08 22:08:19,576 INFO L158 Benchmark]: Witness Printer took 73.85ms. Allocated memory is still 167.8MB. Free memory was 122.2MB in the beginning and 116.7MB in the end (delta: 5.5MB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-08 22:08:19,578 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 201.3MB. Free memory is still 120.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 172.22ms. Allocated memory is still 167.8MB. Free memory was 123.1MB in the beginning and 111.7MB in the end (delta: 11.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 23.85ms. Allocated memory is still 167.8MB. Free memory was 111.7MB in the beginning and 110.7MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 22.95ms. Allocated memory is still 167.8MB. Free memory was 110.7MB in the beginning and 109.8MB in the end (delta: 907.4kB). There was no memory consumed. Max. memory is 16.1GB. * IcfgBuilder took 287.81ms. Allocated memory is still 167.8MB. Free memory was 109.8MB in the beginning and 94.4MB in the end (delta: 15.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 1872.67ms. Allocated memory is still 167.8MB. Free memory was 93.5MB in the beginning and 122.2MB in the end (delta: -28.7MB). Peak memory consumption was 59.4MB. Max. memory is 16.1GB. * Witness Printer took 73.85ms. Allocated memory is still 167.8MB. Free memory was 122.2MB in the beginning and 116.7MB in the end (delta: 5.5MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 41]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 41]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 42]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 42]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 43]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 43]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 44]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 44]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 52]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 52]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 53]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 53]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 61]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 62]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 63]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 63]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 71]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 71]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 271 locations, 272 edges, 40 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: 1.7s, OverallIterations: 12, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 833 SdHoareTripleChecker+Valid, 0.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 260 mSDsluCounter, 191 SdHoareTripleChecker+Invalid, 0.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 52 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 751 IncrementalHoareTripleChecker+Invalid, 803 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 52 mSolverCounterUnsat, 191 mSDtfsCounter, 751 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 24 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=322occurred in iteration=0, InterpolantAutomatonStates: 36, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 615 NumberOfCodeBlocks, 615 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 603 ConstructedInterpolants, 0 QuantifiedInterpolants, 627 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 12 InterpolantComputations, 12 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 22 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2025-03-08 22:08:19,593 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE