./Ultimate.py --spec ../sv-benchmarks/c/properties/no-data-race.prp --file ../sv-benchmarks/c/weaver/parallel-misc-2-unrolled.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/parallel-misc-2-unrolled.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 4b21640b39ce7bcc8ee8415d7ec787ca73953d49130bebf43478653d490e2460 --- Real Ultimate output --- This is Ultimate 0.3.0-?-e2fb8be-m [2025-03-08 22:06:26,707 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-08 22:06:26,749 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2025-03-08 22:06:26,754 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-08 22:06:26,754 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-08 22:06:26,768 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-08 22:06:26,768 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-08 22:06:26,768 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-08 22:06:26,769 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-08 22:06:26,769 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-08 22:06:26,769 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-08 22:06:26,769 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-08 22:06:26,769 INFO L153 SettingsManager]: * Use SBE=true [2025-03-08 22:06:26,769 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-08 22:06:26,769 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-08 22:06:26,769 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-08 22:06:26,769 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-08 22:06:26,770 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-08 22:06:26,770 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-08 22:06:26,770 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-08 22:06:26,770 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-08 22:06:26,770 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-08 22:06:26,770 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2025-03-08 22:06:26,770 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-03-08 22:06:26,770 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-08 22:06:26,770 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-08 22:06:26,770 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-08 22:06:26,770 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-08 22:06:26,770 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-08 22:06:26,771 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-08 22:06:26,771 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-08 22:06:26,771 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-08 22:06:26,771 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-08 22:06:26,771 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-08 22:06:26,771 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-08 22:06:26,771 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-08 22:06:26,771 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-08 22:06:26,771 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-08 22:06:26,771 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-08 22:06:26,771 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-08 22:06:26,772 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-08 22:06:26,772 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-08 22:06:26,772 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 -> 4b21640b39ce7bcc8ee8415d7ec787ca73953d49130bebf43478653d490e2460 [2025-03-08 22:06:26,985 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-08 22:06:26,992 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-08 22:06:26,994 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-08 22:06:26,995 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-08 22:06:26,995 INFO L274 PluginConnector]: CDTParser initialized [2025-03-08 22:06:26,996 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/weaver/parallel-misc-2-unrolled.wvr.c [2025-03-08 22:06:28,169 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/eecdaf76c/8df7881a214440c5a2cae4017884cbd8/FLAG2390f398e [2025-03-08 22:06:28,427 INFO L384 CDTParser]: Found 1 translation units. [2025-03-08 22:06:28,428 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/parallel-misc-2-unrolled.wvr.c [2025-03-08 22:06:28,435 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/eecdaf76c/8df7881a214440c5a2cae4017884cbd8/FLAG2390f398e [2025-03-08 22:06:28,738 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/eecdaf76c/8df7881a214440c5a2cae4017884cbd8 [2025-03-08 22:06:28,740 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-08 22:06:28,741 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-08 22:06:28,742 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-08 22:06:28,742 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-08 22:06:28,745 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-08 22:06:28,745 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.03 10:06:28" (1/1) ... [2025-03-08 22:06:28,746 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7d41fce5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 10:06:28, skipping insertion in model container [2025-03-08 22:06:28,746 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.03 10:06:28" (1/1) ... [2025-03-08 22:06:28,755 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-08 22:06:28,875 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-08 22:06:28,882 INFO L200 MainTranslator]: Completed pre-run [2025-03-08 22:06:28,899 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-08 22:06:28,910 INFO L204 MainTranslator]: Completed translation [2025-03-08 22:06:28,911 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 10:06:28 WrapperNode [2025-03-08 22:06:28,911 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-08 22:06:28,912 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-08 22:06:28,912 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-08 22:06:28,912 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-08 22:06:28,916 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 10:06:28" (1/1) ... [2025-03-08 22:06:28,925 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 10:06:28" (1/1) ... [2025-03-08 22:06:28,937 INFO L138 Inliner]: procedures = 17, calls = 11, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 74 [2025-03-08 22:06:28,937 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-08 22:06:28,937 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-08 22:06:28,937 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-08 22:06:28,937 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-08 22:06:28,942 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 10:06:28" (1/1) ... [2025-03-08 22:06:28,943 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 10:06:28" (1/1) ... [2025-03-08 22:06:28,945 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 10:06:28" (1/1) ... [2025-03-08 22:06:28,948 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 10:06:28" (1/1) ... [2025-03-08 22:06:28,952 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 10:06:28" (1/1) ... [2025-03-08 22:06:28,953 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 10:06:28" (1/1) ... [2025-03-08 22:06:28,953 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 10:06:28" (1/1) ... [2025-03-08 22:06:28,954 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 10:06:28" (1/1) ... [2025-03-08 22:06:28,958 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-08 22:06:28,960 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-08 22:06:28,960 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-08 22:06:28,960 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-08 22:06:28,960 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 10:06:28" (1/1) ... [2025-03-08 22:06:28,964 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-08 22:06:28,974 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-08 22:06:28,989 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 22:06:28,991 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 22:06:29,010 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-08 22:06:29,010 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2025-03-08 22:06:29,010 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2025-03-08 22:06:29,011 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2025-03-08 22:06:29,011 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2025-03-08 22:06:29,011 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2025-03-08 22:06:29,011 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-08 22:06:29,011 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-08 22:06:29,012 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 22:06:29,086 INFO L256 CfgBuilder]: Building ICFG [2025-03-08 22:06:29,088 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-08 22:06:29,267 INFO L303 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-03-08 22:06:29,267 INFO L307 CfgBuilder]: Performing block encoding [2025-03-08 22:06:29,284 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-08 22:06:29,285 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-08 22:06:29,285 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.03 10:06:29 BoogieIcfgContainer [2025-03-08 22:06:29,285 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-08 22:06:29,288 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-08 22:06:29,288 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-08 22:06:29,291 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-08 22:06:29,291 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.03 10:06:28" (1/3) ... [2025-03-08 22:06:29,291 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6974a178 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.03 10:06:29, skipping insertion in model container [2025-03-08 22:06:29,292 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 10:06:28" (2/3) ... [2025-03-08 22:06:29,292 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6974a178 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.03 10:06:29, skipping insertion in model container [2025-03-08 22:06:29,292 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.03 10:06:29" (3/3) ... [2025-03-08 22:06:29,293 INFO L128 eAbstractionObserver]: Analyzing ICFG parallel-misc-2-unrolled.wvr.c [2025-03-08 22:06:29,303 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-08 22:06:29,305 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG parallel-misc-2-unrolled.wvr.c that has 3 procedures, 160 locations, 1 initial locations, 2 loop locations, and 17 error locations. [2025-03-08 22:06:29,305 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-03-08 22:06:29,374 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2025-03-08 22:06:29,407 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 166 places, 166 transitions, 346 flow [2025-03-08 22:06:29,454 INFO L124 PetriNetUnfolderBase]: 7/164 cut-off events. [2025-03-08 22:06:29,457 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2025-03-08 22:06:29,461 INFO L83 FinitePrefix]: Finished finitePrefix Result has 173 conditions, 164 events. 7/164 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 255 event pairs, 0 based on Foata normal form. 0/140 useless extension candidates. Maximal degree in co-relation 109. Up to 2 conditions per place. [2025-03-08 22:06:29,462 INFO L82 GeneralOperation]: Start removeDead. Operand has 166 places, 166 transitions, 346 flow [2025-03-08 22:06:29,466 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 148 places, 147 transitions, 303 flow [2025-03-08 22:06:29,473 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-08 22:06:29,481 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;@61e80ad9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-08 22:06:29,483 INFO L334 AbstractCegarLoop]: Starting to check reachability of 31 error locations. [2025-03-08 22:06:29,489 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2025-03-08 22:06:29,489 INFO L124 PetriNetUnfolderBase]: 0/22 cut-off events. [2025-03-08 22:06:29,489 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-03-08 22:06:29,489 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-08 22:06:29,490 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] [2025-03-08 22:06:29,490 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [thread1Err5ASSERT_VIOLATIONDATA_RACE, thread1Err4ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2025-03-08 22:06:29,496 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 22:06:29,496 INFO L85 PathProgramCache]: Analyzing trace with hash 1835271799, now seen corresponding path program 1 times [2025-03-08 22:06:29,501 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 22:06:29,501 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1353180973] [2025-03-08 22:06:29,502 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 22:06:29,502 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 22:06:29,555 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 22 statements into 1 equivalence classes. [2025-03-08 22:06:29,560 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 22 of 22 statements. [2025-03-08 22:06:29,561 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 22:06:29,561 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 22:06:29,611 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 22:06:29,613 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 22:06:29,613 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1353180973] [2025-03-08 22:06:29,614 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1353180973] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 22:06:29,614 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 22:06:29,614 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-08 22:06:29,615 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [19921820] [2025-03-08 22:06:29,616 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 22:06:29,620 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 22:06:29,623 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 22:06:29,642 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 22:06:29,643 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 22:06:29,690 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 139 out of 166 [2025-03-08 22:06:29,693 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 148 places, 147 transitions, 303 flow. Second operand has 3 states, 3 states have (on average 140.66666666666666) internal successors, (422), 3 states have internal predecessors, (422), 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 22:06:29,695 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-08 22:06:29,695 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 139 of 166 [2025-03-08 22:06:29,697 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-08 22:06:29,789 INFO L124 PetriNetUnfolderBase]: 29/279 cut-off events. [2025-03-08 22:06:29,789 INFO L125 PetriNetUnfolderBase]: For 18/18 co-relation queries the response was YES. [2025-03-08 22:06:29,791 INFO L83 FinitePrefix]: Finished finitePrefix Result has 372 conditions, 279 events. 29/279 cut-off events. For 18/18 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 1032 event pairs, 23 based on Foata normal form. 10/243 useless extension candidates. Maximal degree in co-relation 283. Up to 67 conditions per place. [2025-03-08 22:06:29,793 INFO L140 encePairwiseOnDemand]: 160/166 looper letters, 17 selfloop transitions, 2 changer transitions 1/143 dead transitions. [2025-03-08 22:06:29,794 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 149 places, 143 transitions, 333 flow [2025-03-08 22:06:29,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-08 22:06:29,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-08 22:06:29,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 440 transitions. [2025-03-08 22:06:29,807 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8835341365461847 [2025-03-08 22:06:29,808 INFO L175 Difference]: Start difference. First operand has 148 places, 147 transitions, 303 flow. Second operand 3 states and 440 transitions. [2025-03-08 22:06:29,809 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 149 places, 143 transitions, 333 flow [2025-03-08 22:06:29,812 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 146 places, 143 transitions, 328 flow, removed 0 selfloop flow, removed 3 redundant places. [2025-03-08 22:06:29,815 INFO L231 Difference]: Finished difference. Result has 146 places, 142 transitions, 292 flow [2025-03-08 22:06:29,817 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=166, PETRI_DIFFERENCE_MINUEND_FLOW=290, PETRI_DIFFERENCE_MINUEND_PLACES=144, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=143, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=141, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=292, PETRI_PLACES=146, PETRI_TRANSITIONS=142} [2025-03-08 22:06:29,821 INFO L279 CegarLoopForPetriNet]: 148 programPoint places, -2 predicate places. [2025-03-08 22:06:29,821 INFO L471 AbstractCegarLoop]: Abstraction has has 146 places, 142 transitions, 292 flow [2025-03-08 22:06:29,822 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 140.66666666666666) internal successors, (422), 3 states have internal predecessors, (422), 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 22:06:29,822 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-08 22:06:29,822 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] [2025-03-08 22:06:29,822 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-03-08 22:06:29,822 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thread1Err5ASSERT_VIOLATIONDATA_RACE, thread1Err4ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2025-03-08 22:06:29,823 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 22:06:29,823 INFO L85 PathProgramCache]: Analyzing trace with hash -540920011, now seen corresponding path program 1 times [2025-03-08 22:06:29,823 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 22:06:29,824 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1638114290] [2025-03-08 22:06:29,824 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 22:06:29,824 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 22:06:29,832 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 29 statements into 1 equivalence classes. [2025-03-08 22:06:29,837 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 29 of 29 statements. [2025-03-08 22:06:29,840 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 22:06:29,841 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 22:06:29,880 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 22:06:29,880 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 22:06:29,880 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1638114290] [2025-03-08 22:06:29,880 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1638114290] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 22:06:29,880 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 22:06:29,880 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-08 22:06:29,880 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1863048213] [2025-03-08 22:06:29,881 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 22:06:29,881 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 22:06:29,881 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 22:06:29,882 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 22:06:29,882 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 22:06:29,929 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 139 out of 166 [2025-03-08 22:06:29,930 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 146 places, 142 transitions, 292 flow. Second operand has 3 states, 3 states have (on average 140.66666666666666) internal successors, (422), 3 states have internal predecessors, (422), 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 22:06:29,930 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-08 22:06:29,930 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 139 of 166 [2025-03-08 22:06:29,930 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-08 22:06:29,991 INFO L124 PetriNetUnfolderBase]: 29/275 cut-off events. [2025-03-08 22:06:29,991 INFO L125 PetriNetUnfolderBase]: For 8/9 co-relation queries the response was YES. [2025-03-08 22:06:29,994 INFO L83 FinitePrefix]: Finished finitePrefix Result has 353 conditions, 275 events. 29/275 cut-off events. For 8/9 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 1121 event pairs, 23 based on Foata normal form. 0/232 useless extension candidates. Maximal degree in co-relation 322. Up to 65 conditions per place. [2025-03-08 22:06:29,995 INFO L140 encePairwiseOnDemand]: 163/166 looper letters, 17 selfloop transitions, 2 changer transitions 0/141 dead transitions. [2025-03-08 22:06:29,995 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 146 places, 141 transitions, 328 flow [2025-03-08 22:06:29,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-08 22:06:29,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-08 22:06:29,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 437 transitions. [2025-03-08 22:06:29,998 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8775100401606426 [2025-03-08 22:06:29,998 INFO L175 Difference]: Start difference. First operand has 146 places, 142 transitions, 292 flow. Second operand 3 states and 437 transitions. [2025-03-08 22:06:29,998 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 146 places, 141 transitions, 328 flow [2025-03-08 22:06:29,999 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 144 places, 141 transitions, 324 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-03-08 22:06:30,000 INFO L231 Difference]: Finished difference. Result has 144 places, 141 transitions, 290 flow [2025-03-08 22:06:30,001 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=166, PETRI_DIFFERENCE_MINUEND_FLOW=286, PETRI_DIFFERENCE_MINUEND_PLACES=142, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=141, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=139, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=290, PETRI_PLACES=144, PETRI_TRANSITIONS=141} [2025-03-08 22:06:30,001 INFO L279 CegarLoopForPetriNet]: 148 programPoint places, -4 predicate places. [2025-03-08 22:06:30,001 INFO L471 AbstractCegarLoop]: Abstraction has has 144 places, 141 transitions, 290 flow [2025-03-08 22:06:30,002 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 140.66666666666666) internal successors, (422), 3 states have internal predecessors, (422), 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 22:06:30,002 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-08 22:06:30,002 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 22:06:30,002 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-03-08 22:06:30,002 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err5ASSERT_VIOLATIONDATA_RACE, thread1Err4ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2025-03-08 22:06:30,003 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 22:06:30,003 INFO L85 PathProgramCache]: Analyzing trace with hash 969514373, now seen corresponding path program 1 times [2025-03-08 22:06:30,003 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 22:06:30,003 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1003272022] [2025-03-08 22:06:30,003 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 22:06:30,003 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 22:06:30,008 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 36 statements into 1 equivalence classes. [2025-03-08 22:06:30,014 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 36 of 36 statements. [2025-03-08 22:06:30,014 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 22:06:30,014 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 22:06:30,046 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 22:06:30,046 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 22:06:30,046 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1003272022] [2025-03-08 22:06:30,046 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1003272022] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 22:06:30,046 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 22:06:30,047 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-08 22:06:30,047 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1656907632] [2025-03-08 22:06:30,047 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 22:06:30,047 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 22:06:30,047 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 22:06:30,048 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 22:06:30,048 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 22:06:30,062 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 143 out of 166 [2025-03-08 22:06:30,062 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 144 places, 141 transitions, 290 flow. Second operand has 3 states, 3 states have (on average 144.66666666666666) internal successors, (434), 3 states have internal predecessors, (434), 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 22:06:30,063 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-08 22:06:30,063 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 143 of 166 [2025-03-08 22:06:30,063 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-08 22:06:30,100 INFO L124 PetriNetUnfolderBase]: 22/306 cut-off events. [2025-03-08 22:06:30,100 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2025-03-08 22:06:30,101 INFO L83 FinitePrefix]: Finished finitePrefix Result has 369 conditions, 306 events. 22/306 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 1071 event pairs, 15 based on Foata normal form. 0/258 useless extension candidates. Maximal degree in co-relation 331. Up to 48 conditions per place. [2025-03-08 22:06:30,102 INFO L140 encePairwiseOnDemand]: 163/166 looper letters, 13 selfloop transitions, 2 changer transitions 0/140 dead transitions. [2025-03-08 22:06:30,102 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 145 places, 140 transitions, 318 flow [2025-03-08 22:06:30,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-08 22:06:30,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-08 22:06:30,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 445 transitions. [2025-03-08 22:06:30,103 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.893574297188755 [2025-03-08 22:06:30,103 INFO L175 Difference]: Start difference. First operand has 144 places, 141 transitions, 290 flow. Second operand 3 states and 445 transitions. [2025-03-08 22:06:30,103 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 145 places, 140 transitions, 318 flow [2025-03-08 22:06:30,104 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 143 places, 140 transitions, 314 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-03-08 22:06:30,105 INFO L231 Difference]: Finished difference. Result has 143 places, 140 transitions, 288 flow [2025-03-08 22:06:30,106 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=166, PETRI_DIFFERENCE_MINUEND_FLOW=284, PETRI_DIFFERENCE_MINUEND_PLACES=141, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=140, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=138, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=288, PETRI_PLACES=143, PETRI_TRANSITIONS=140} [2025-03-08 22:06:30,106 INFO L279 CegarLoopForPetriNet]: 148 programPoint places, -5 predicate places. [2025-03-08 22:06:30,106 INFO L471 AbstractCegarLoop]: Abstraction has has 143 places, 140 transitions, 288 flow [2025-03-08 22:06:30,107 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 144.66666666666666) internal successors, (434), 3 states have internal predecessors, (434), 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 22:06:30,107 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-08 22:06:30,107 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] [2025-03-08 22:06:30,107 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-03-08 22:06:30,107 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err5ASSERT_VIOLATIONDATA_RACE, thread1Err4ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2025-03-08 22:06:30,111 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 22:06:30,111 INFO L85 PathProgramCache]: Analyzing trace with hash -648726067, now seen corresponding path program 1 times [2025-03-08 22:06:30,111 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 22:06:30,111 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2130291404] [2025-03-08 22:06:30,111 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 22:06:30,111 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 22:06:30,115 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 40 statements into 1 equivalence classes. [2025-03-08 22:06:30,117 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 40 of 40 statements. [2025-03-08 22:06:30,118 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 22:06:30,118 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 22:06:30,136 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 22:06:30,136 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 22:06:30,137 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2130291404] [2025-03-08 22:06:30,137 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2130291404] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 22:06:30,137 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 22:06:30,137 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-08 22:06:30,137 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [455465557] [2025-03-08 22:06:30,137 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 22:06:30,137 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 22:06:30,137 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 22:06:30,138 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 22:06:30,138 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 22:06:30,160 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 137 out of 166 [2025-03-08 22:06:30,161 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 143 places, 140 transitions, 288 flow. Second operand has 3 states, 3 states have (on average 138.33333333333334) internal successors, (415), 3 states have internal predecessors, (415), 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 22:06:30,161 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-08 22:06:30,161 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 137 of 166 [2025-03-08 22:06:30,161 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-08 22:06:30,194 INFO L124 PetriNetUnfolderBase]: 38/273 cut-off events. [2025-03-08 22:06:30,195 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2025-03-08 22:06:30,195 INFO L83 FinitePrefix]: Finished finitePrefix Result has 388 conditions, 273 events. 38/273 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 1063 event pairs, 23 based on Foata normal form. 0/240 useless extension candidates. Maximal degree in co-relation 343. Up to 64 conditions per place. [2025-03-08 22:06:30,196 INFO L140 encePairwiseOnDemand]: 157/166 looper letters, 18 selfloop transitions, 5 changer transitions 0/140 dead transitions. [2025-03-08 22:06:30,196 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 141 places, 140 transitions, 336 flow [2025-03-08 22:06:30,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-08 22:06:30,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-08 22:06:30,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 438 transitions. [2025-03-08 22:06:30,197 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8795180722891566 [2025-03-08 22:06:30,197 INFO L175 Difference]: Start difference. First operand has 143 places, 140 transitions, 288 flow. Second operand 3 states and 438 transitions. [2025-03-08 22:06:30,197 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 141 places, 140 transitions, 336 flow [2025-03-08 22:06:30,198 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 139 places, 140 transitions, 332 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-03-08 22:06:30,200 INFO L231 Difference]: Finished difference. Result has 140 places, 137 transitions, 295 flow [2025-03-08 22:06:30,200 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=166, PETRI_DIFFERENCE_MINUEND_FLOW=276, PETRI_DIFFERENCE_MINUEND_PLACES=137, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=136, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=131, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=295, PETRI_PLACES=140, PETRI_TRANSITIONS=137} [2025-03-08 22:06:30,201 INFO L279 CegarLoopForPetriNet]: 148 programPoint places, -8 predicate places. [2025-03-08 22:06:30,201 INFO L471 AbstractCegarLoop]: Abstraction has has 140 places, 137 transitions, 295 flow [2025-03-08 22:06:30,201 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 138.33333333333334) internal successors, (415), 3 states have internal predecessors, (415), 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 22:06:30,201 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-08 22:06:30,201 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 22:06:30,202 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-03-08 22:06:30,202 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err5ASSERT_VIOLATIONDATA_RACE, thread1Err4ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2025-03-08 22:06:30,202 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 22:06:30,202 INFO L85 PathProgramCache]: Analyzing trace with hash 1436552473, now seen corresponding path program 1 times [2025-03-08 22:06:30,202 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 22:06:30,202 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [570278656] [2025-03-08 22:06:30,202 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 22:06:30,203 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 22:06:30,207 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 44 statements into 1 equivalence classes. [2025-03-08 22:06:30,219 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 44 of 44 statements. [2025-03-08 22:06:30,222 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 22:06:30,222 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 22:06:30,259 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 22:06:30,259 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 22:06:30,259 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [570278656] [2025-03-08 22:06:30,260 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [570278656] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 22:06:30,260 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 22:06:30,260 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-08 22:06:30,260 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [893977576] [2025-03-08 22:06:30,260 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 22:06:30,260 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 22:06:30,261 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 22:06:30,261 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 22:06:30,261 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 22:06:30,285 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 137 out of 166 [2025-03-08 22:06:30,286 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 140 places, 137 transitions, 295 flow. Second operand has 3 states, 3 states have (on average 138.33333333333334) internal successors, (415), 3 states have internal predecessors, (415), 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 22:06:30,286 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-08 22:06:30,286 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 137 of 166 [2025-03-08 22:06:30,286 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-08 22:06:30,329 INFO L124 PetriNetUnfolderBase]: 44/337 cut-off events. [2025-03-08 22:06:30,329 INFO L125 PetriNetUnfolderBase]: For 16/18 co-relation queries the response was YES. [2025-03-08 22:06:30,330 INFO L83 FinitePrefix]: Finished finitePrefix Result has 467 conditions, 337 events. 44/337 cut-off events. For 16/18 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 1575 event pairs, 13 based on Foata normal form. 0/307 useless extension candidates. Maximal degree in co-relation 290. Up to 65 conditions per place. [2025-03-08 22:06:30,331 INFO L140 encePairwiseOnDemand]: 157/166 looper letters, 20 selfloop transitions, 5 changer transitions 0/139 dead transitions. [2025-03-08 22:06:30,331 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 138 places, 139 transitions, 353 flow [2025-03-08 22:06:30,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-08 22:06:30,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-08 22:06:30,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 440 transitions. [2025-03-08 22:06:30,332 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8835341365461847 [2025-03-08 22:06:30,332 INFO L175 Difference]: Start difference. First operand has 140 places, 137 transitions, 295 flow. Second operand 3 states and 440 transitions. [2025-03-08 22:06:30,332 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 138 places, 139 transitions, 353 flow [2025-03-08 22:06:30,333 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 137 places, 139 transitions, 348 flow, removed 0 selfloop flow, removed 1 redundant places. [2025-03-08 22:06:30,334 INFO L231 Difference]: Finished difference. Result has 138 places, 134 transitions, 301 flow [2025-03-08 22:06:30,334 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=166, PETRI_DIFFERENCE_MINUEND_FLOW=282, PETRI_DIFFERENCE_MINUEND_PLACES=135, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=133, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=128, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=301, PETRI_PLACES=138, PETRI_TRANSITIONS=134} [2025-03-08 22:06:30,335 INFO L279 CegarLoopForPetriNet]: 148 programPoint places, -10 predicate places. [2025-03-08 22:06:30,335 INFO L471 AbstractCegarLoop]: Abstraction has has 138 places, 134 transitions, 301 flow [2025-03-08 22:06:30,335 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 138.33333333333334) internal successors, (415), 3 states have internal predecessors, (415), 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 22:06:30,335 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-08 22:06:30,335 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] [2025-03-08 22:06:30,336 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-03-08 22:06:30,336 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting thread1Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err5ASSERT_VIOLATIONDATA_RACE, thread1Err4ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2025-03-08 22:06:30,336 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 22:06:30,336 INFO L85 PathProgramCache]: Analyzing trace with hash 435478603, now seen corresponding path program 1 times [2025-03-08 22:06:30,336 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 22:06:30,336 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1402354774] [2025-03-08 22:06:30,336 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 22:06:30,337 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 22:06:30,345 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 58 statements into 1 equivalence classes. [2025-03-08 22:06:30,350 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 58 of 58 statements. [2025-03-08 22:06:30,350 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 22:06:30,350 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 22:06:30,389 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 22:06:30,390 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 22:06:30,390 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1402354774] [2025-03-08 22:06:30,390 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1402354774] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 22:06:30,390 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 22:06:30,390 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-08 22:06:30,390 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [489326424] [2025-03-08 22:06:30,390 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 22:06:30,390 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 22:06:30,391 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 22:06:30,391 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 22:06:30,391 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 22:06:30,401 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 145 out of 166 [2025-03-08 22:06:30,402 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 138 places, 134 transitions, 301 flow. Second operand has 3 states, 3 states have (on average 146.66666666666666) internal successors, (440), 3 states have internal predecessors, (440), 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 22:06:30,402 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-08 22:06:30,402 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 145 of 166 [2025-03-08 22:06:30,402 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-08 22:06:30,464 INFO L124 PetriNetUnfolderBase]: 43/475 cut-off events. [2025-03-08 22:06:30,464 INFO L125 PetriNetUnfolderBase]: For 18/18 co-relation queries the response was YES. [2025-03-08 22:06:30,465 INFO L83 FinitePrefix]: Finished finitePrefix Result has 655 conditions, 475 events. 43/475 cut-off events. For 18/18 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 2294 event pairs, 16 based on Foata normal form. 0/436 useless extension candidates. Maximal degree in co-relation 387. Up to 84 conditions per place. [2025-03-08 22:06:30,466 INFO L140 encePairwiseOnDemand]: 162/166 looper letters, 14 selfloop transitions, 2 changer transitions 0/135 dead transitions. [2025-03-08 22:06:30,466 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 138 places, 135 transitions, 337 flow [2025-03-08 22:06:30,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-08 22:06:30,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-08 22:06:30,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 453 transitions. [2025-03-08 22:06:30,467 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9096385542168675 [2025-03-08 22:06:30,467 INFO L175 Difference]: Start difference. First operand has 138 places, 134 transitions, 301 flow. Second operand 3 states and 453 transitions. [2025-03-08 22:06:30,467 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 138 places, 135 transitions, 337 flow [2025-03-08 22:06:30,468 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 137 places, 135 transitions, 332 flow, removed 0 selfloop flow, removed 1 redundant places. [2025-03-08 22:06:30,469 INFO L231 Difference]: Finished difference. Result has 138 places, 134 transitions, 306 flow [2025-03-08 22:06:30,470 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=166, PETRI_DIFFERENCE_MINUEND_FLOW=292, PETRI_DIFFERENCE_MINUEND_PLACES=135, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=132, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=130, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=306, PETRI_PLACES=138, PETRI_TRANSITIONS=134} [2025-03-08 22:06:30,470 INFO L279 CegarLoopForPetriNet]: 148 programPoint places, -10 predicate places. [2025-03-08 22:06:30,470 INFO L471 AbstractCegarLoop]: Abstraction has has 138 places, 134 transitions, 306 flow [2025-03-08 22:06:30,471 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 146.66666666666666) internal successors, (440), 3 states have internal predecessors, (440), 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 22:06:30,471 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-08 22:06:30,471 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 22:06:30,471 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2025-03-08 22:06:30,471 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting thread1Err2ASSERT_VIOLATIONDATA_RACE === [thread1Err5ASSERT_VIOLATIONDATA_RACE, thread1Err4ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2025-03-08 22:06:30,471 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 22:06:30,472 INFO L85 PathProgramCache]: Analyzing trace with hash -2059923534, now seen corresponding path program 1 times [2025-03-08 22:06:30,472 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 22:06:30,472 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [200173513] [2025-03-08 22:06:30,472 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 22:06:30,472 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 22:06:30,477 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 68 statements into 1 equivalence classes. [2025-03-08 22:06:30,482 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 68 of 68 statements. [2025-03-08 22:06:30,482 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 22:06:30,482 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 22:06:30,513 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 22:06:30,513 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 22:06:30,513 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [200173513] [2025-03-08 22:06:30,513 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [200173513] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 22:06:30,513 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 22:06:30,513 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-08 22:06:30,514 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [338355963] [2025-03-08 22:06:30,514 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 22:06:30,514 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 22:06:30,514 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 22:06:30,514 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 22:06:30,514 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 22:06:30,547 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 141 out of 166 [2025-03-08 22:06:30,547 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 138 places, 134 transitions, 306 flow. Second operand has 3 states, 3 states have (on average 144.33333333333334) internal successors, (433), 3 states have internal predecessors, (433), 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 22:06:30,547 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-08 22:06:30,547 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 141 of 166 [2025-03-08 22:06:30,547 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-08 22:06:30,609 INFO L124 PetriNetUnfolderBase]: 59/423 cut-off events. [2025-03-08 22:06:30,609 INFO L125 PetriNetUnfolderBase]: For 29/29 co-relation queries the response was YES. [2025-03-08 22:06:30,610 INFO L83 FinitePrefix]: Finished finitePrefix Result has 673 conditions, 423 events. 59/423 cut-off events. For 29/29 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 2074 event pairs, 36 based on Foata normal form. 0/393 useless extension candidates. Maximal degree in co-relation 318. Up to 108 conditions per place. [2025-03-08 22:06:30,612 INFO L140 encePairwiseOnDemand]: 163/166 looper letters, 20 selfloop transitions, 2 changer transitions 0/136 dead transitions. [2025-03-08 22:06:30,613 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 139 places, 136 transitions, 356 flow [2025-03-08 22:06:30,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-08 22:06:30,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-08 22:06:30,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 445 transitions. [2025-03-08 22:06:30,614 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.893574297188755 [2025-03-08 22:06:30,614 INFO L175 Difference]: Start difference. First operand has 138 places, 134 transitions, 306 flow. Second operand 3 states and 445 transitions. [2025-03-08 22:06:30,614 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 139 places, 136 transitions, 356 flow [2025-03-08 22:06:30,615 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 139 places, 136 transitions, 356 flow, removed 0 selfloop flow, removed 0 redundant places. [2025-03-08 22:06:30,616 INFO L231 Difference]: Finished difference. Result has 139 places, 133 transitions, 308 flow [2025-03-08 22:06:30,616 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=166, PETRI_DIFFERENCE_MINUEND_FLOW=304, PETRI_DIFFERENCE_MINUEND_PLACES=137, 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=308, PETRI_PLACES=139, PETRI_TRANSITIONS=133} [2025-03-08 22:06:30,618 INFO L279 CegarLoopForPetriNet]: 148 programPoint places, -9 predicate places. [2025-03-08 22:06:30,618 INFO L471 AbstractCegarLoop]: Abstraction has has 139 places, 133 transitions, 308 flow [2025-03-08 22:06:30,619 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 144.33333333333334) internal successors, (433), 3 states have internal predecessors, (433), 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 22:06:30,619 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-08 22:06:30,619 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] [2025-03-08 22:06:30,620 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2025-03-08 22:06:30,620 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting thread2Err2ASSERT_VIOLATIONDATA_RACE === [thread1Err5ASSERT_VIOLATIONDATA_RACE, thread1Err4ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2025-03-08 22:06:30,620 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 22:06:30,621 INFO L85 PathProgramCache]: Analyzing trace with hash 1372041462, now seen corresponding path program 1 times [2025-03-08 22:06:30,621 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 22:06:30,621 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [288249991] [2025-03-08 22:06:30,621 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 22:06:30,621 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 22:06:30,629 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 73 statements into 1 equivalence classes. [2025-03-08 22:06:30,636 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 73 of 73 statements. [2025-03-08 22:06:30,636 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 22:06:30,636 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 22:06:30,676 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 22:06:30,677 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 22:06:30,677 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [288249991] [2025-03-08 22:06:30,677 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [288249991] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 22:06:30,677 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 22:06:30,677 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-08 22:06:30,677 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1056506802] [2025-03-08 22:06:30,677 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 22:06:30,678 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 22:06:30,678 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 22:06:30,678 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 22:06:30,678 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 22:06:30,709 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 141 out of 166 [2025-03-08 22:06:30,709 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 139 places, 133 transitions, 308 flow. Second operand has 3 states, 3 states have (on average 144.33333333333334) internal successors, (433), 3 states have internal predecessors, (433), 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 22:06:30,709 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-08 22:06:30,709 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 141 of 166 [2025-03-08 22:06:30,709 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-08 22:06:30,754 INFO L124 PetriNetUnfolderBase]: 49/366 cut-off events. [2025-03-08 22:06:30,754 INFO L125 PetriNetUnfolderBase]: For 32/34 co-relation queries the response was YES. [2025-03-08 22:06:30,755 INFO L83 FinitePrefix]: Finished finitePrefix Result has 553 conditions, 366 events. 49/366 cut-off events. For 32/34 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 1668 event pairs, 28 based on Foata normal form. 0/344 useless extension candidates. Maximal degree in co-relation 406. Up to 94 conditions per place. [2025-03-08 22:06:30,756 INFO L140 encePairwiseOnDemand]: 163/166 looper letters, 20 selfloop transitions, 2 changer transitions 0/135 dead transitions. [2025-03-08 22:06:30,756 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 140 places, 135 transitions, 357 flow [2025-03-08 22:06:30,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-08 22:06:30,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-08 22:06:30,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 445 transitions. [2025-03-08 22:06:30,757 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.893574297188755 [2025-03-08 22:06:30,757 INFO L175 Difference]: Start difference. First operand has 139 places, 133 transitions, 308 flow. Second operand 3 states and 445 transitions. [2025-03-08 22:06:30,757 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 140 places, 135 transitions, 357 flow [2025-03-08 22:06:30,758 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 138 places, 135 transitions, 353 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-03-08 22:06:30,759 INFO L231 Difference]: Finished difference. Result has 138 places, 132 transitions, 306 flow [2025-03-08 22:06:30,760 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=166, PETRI_DIFFERENCE_MINUEND_FLOW=302, PETRI_DIFFERENCE_MINUEND_PLACES=136, 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=306, PETRI_PLACES=138, PETRI_TRANSITIONS=132} [2025-03-08 22:06:30,760 INFO L279 CegarLoopForPetriNet]: 148 programPoint places, -10 predicate places. [2025-03-08 22:06:30,760 INFO L471 AbstractCegarLoop]: Abstraction has has 138 places, 132 transitions, 306 flow [2025-03-08 22:06:30,760 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 144.33333333333334) internal successors, (433), 3 states have internal predecessors, (433), 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 22:06:30,760 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-08 22:06:30,763 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] [2025-03-08 22:06:30,763 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2025-03-08 22:06:30,763 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting thread1Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err5ASSERT_VIOLATIONDATA_RACE, thread1Err4ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2025-03-08 22:06:30,763 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 22:06:30,763 INFO L85 PathProgramCache]: Analyzing trace with hash 932013252, now seen corresponding path program 1 times [2025-03-08 22:06:30,763 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 22:06:30,763 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1672537638] [2025-03-08 22:06:30,764 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 22:06:30,764 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 22:06:30,772 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 79 statements into 1 equivalence classes. [2025-03-08 22:06:30,779 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 79 of 79 statements. [2025-03-08 22:06:30,780 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 22:06:30,780 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 22:06:30,817 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 22:06:30,817 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 22:06:30,817 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1672537638] [2025-03-08 22:06:30,817 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1672537638] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 22:06:30,817 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 22:06:30,817 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-08 22:06:30,817 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [549744727] [2025-03-08 22:06:30,817 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 22:06:30,817 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 22:06:30,818 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 22:06:30,818 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 22:06:30,818 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 22:06:30,844 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 141 out of 166 [2025-03-08 22:06:30,845 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 138 places, 132 transitions, 306 flow. Second operand has 3 states, 3 states have (on average 145.33333333333334) internal successors, (436), 3 states have internal predecessors, (436), 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 22:06:30,845 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-08 22:06:30,845 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 141 of 166 [2025-03-08 22:06:30,845 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-08 22:06:30,887 INFO L124 PetriNetUnfolderBase]: 59/414 cut-off events. [2025-03-08 22:06:30,887 INFO L125 PetriNetUnfolderBase]: For 26/26 co-relation queries the response was YES. [2025-03-08 22:06:30,888 INFO L83 FinitePrefix]: Finished finitePrefix Result has 671 conditions, 414 events. 59/414 cut-off events. For 26/26 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 1994 event pairs, 36 based on Foata normal form. 0/394 useless extension candidates. Maximal degree in co-relation 515. Up to 108 conditions per place. [2025-03-08 22:06:30,889 INFO L140 encePairwiseOnDemand]: 163/166 looper letters, 20 selfloop transitions, 2 changer transitions 0/134 dead transitions. [2025-03-08 22:06:30,889 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 139 places, 134 transitions, 356 flow [2025-03-08 22:06:30,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-08 22:06:30,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-08 22:06:30,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 445 transitions. [2025-03-08 22:06:30,890 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.893574297188755 [2025-03-08 22:06:30,890 INFO L175 Difference]: Start difference. First operand has 138 places, 132 transitions, 306 flow. Second operand 3 states and 445 transitions. [2025-03-08 22:06:30,890 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 139 places, 134 transitions, 356 flow [2025-03-08 22:06:30,891 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 137 places, 134 transitions, 352 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-03-08 22:06:30,892 INFO L231 Difference]: Finished difference. Result has 137 places, 131 transitions, 304 flow [2025-03-08 22:06:30,892 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=166, PETRI_DIFFERENCE_MINUEND_FLOW=300, PETRI_DIFFERENCE_MINUEND_PLACES=135, 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=304, PETRI_PLACES=137, PETRI_TRANSITIONS=131} [2025-03-08 22:06:30,893 INFO L279 CegarLoopForPetriNet]: 148 programPoint places, -11 predicate places. [2025-03-08 22:06:30,893 INFO L471 AbstractCegarLoop]: Abstraction has has 137 places, 131 transitions, 304 flow [2025-03-08 22:06:30,893 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 145.33333333333334) internal successors, (436), 3 states have internal predecessors, (436), 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 22:06:30,893 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-08 22:06:30,893 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 22:06:30,893 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2025-03-08 22:06:30,893 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting thread2Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err5ASSERT_VIOLATIONDATA_RACE, thread1Err4ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2025-03-08 22:06:30,894 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 22:06:30,894 INFO L85 PathProgramCache]: Analyzing trace with hash 1418561116, now seen corresponding path program 1 times [2025-03-08 22:06:30,894 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 22:06:30,894 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1346173739] [2025-03-08 22:06:30,894 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 22:06:30,894 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 22:06:30,900 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 83 statements into 1 equivalence classes. [2025-03-08 22:06:30,908 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 83 of 83 statements. [2025-03-08 22:06:30,910 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 22:06:30,910 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 22:06:30,959 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 22:06:30,960 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 22:06:30,960 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1346173739] [2025-03-08 22:06:30,960 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1346173739] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 22:06:30,960 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 22:06:30,960 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-08 22:06:30,960 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1531535057] [2025-03-08 22:06:30,960 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 22:06:30,960 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 22:06:30,961 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 22:06:30,961 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 22:06:30,961 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 22:06:30,991 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 141 out of 166 [2025-03-08 22:06:30,992 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 137 places, 131 transitions, 304 flow. Second operand has 3 states, 3 states have (on average 145.33333333333334) internal successors, (436), 3 states have internal predecessors, (436), 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 22:06:30,992 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-08 22:06:30,992 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 141 of 166 [2025-03-08 22:06:30,992 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-08 22:06:31,027 INFO L124 PetriNetUnfolderBase]: 48/358 cut-off events. [2025-03-08 22:06:31,027 INFO L125 PetriNetUnfolderBase]: For 29/31 co-relation queries the response was YES. [2025-03-08 22:06:31,028 INFO L83 FinitePrefix]: Finished finitePrefix Result has 544 conditions, 358 events. 48/358 cut-off events. For 29/31 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 1569 event pairs, 26 based on Foata normal form. 0/343 useless extension candidates. Maximal degree in co-relation 512. Up to 93 conditions per place. [2025-03-08 22:06:31,029 INFO L140 encePairwiseOnDemand]: 163/166 looper letters, 0 selfloop transitions, 0 changer transitions 133/133 dead transitions. [2025-03-08 22:06:31,029 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 138 places, 133 transitions, 353 flow [2025-03-08 22:06:31,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-08 22:06:31,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-08 22:06:31,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 445 transitions. [2025-03-08 22:06:31,030 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.893574297188755 [2025-03-08 22:06:31,031 INFO L175 Difference]: Start difference. First operand has 137 places, 131 transitions, 304 flow. Second operand 3 states and 445 transitions. [2025-03-08 22:06:31,031 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 138 places, 133 transitions, 353 flow [2025-03-08 22:06:31,032 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 136 places, 133 transitions, 349 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-03-08 22:06:31,033 INFO L231 Difference]: Finished difference. Result has 136 places, 0 transitions, 0 flow [2025-03-08 22:06:31,033 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=166, PETRI_DIFFERENCE_MINUEND_FLOW=298, PETRI_DIFFERENCE_MINUEND_PLACES=134, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=130, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=130, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=136, PETRI_TRANSITIONS=0} [2025-03-08 22:06:31,034 INFO L279 CegarLoopForPetriNet]: 148 programPoint places, -12 predicate places. [2025-03-08 22:06:31,035 INFO L471 AbstractCegarLoop]: Abstraction has has 136 places, 0 transitions, 0 flow [2025-03-08 22:06:31,035 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 145.33333333333334) internal successors, (436), 3 states have internal predecessors, (436), 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 22:06:31,037 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (30 of 31 remaining) [2025-03-08 22:06:31,038 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (29 of 31 remaining) [2025-03-08 22:06:31,038 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (28 of 31 remaining) [2025-03-08 22:06:31,038 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (27 of 31 remaining) [2025-03-08 22:06:31,038 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (26 of 31 remaining) [2025-03-08 22:06:31,038 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (25 of 31 remaining) [2025-03-08 22:06:31,038 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (24 of 31 remaining) [2025-03-08 22:06:31,038 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (23 of 31 remaining) [2025-03-08 22:06:31,038 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (22 of 31 remaining) [2025-03-08 22:06:31,038 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (21 of 31 remaining) [2025-03-08 22:06:31,038 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (20 of 31 remaining) [2025-03-08 22:06:31,038 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (19 of 31 remaining) [2025-03-08 22:06:31,038 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (18 of 31 remaining) [2025-03-08 22:06:31,038 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (17 of 31 remaining) [2025-03-08 22:06:31,038 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (16 of 31 remaining) [2025-03-08 22:06:31,038 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (15 of 31 remaining) [2025-03-08 22:06:31,039 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (14 of 31 remaining) [2025-03-08 22:06:31,039 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (13 of 31 remaining) [2025-03-08 22:06:31,039 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (12 of 31 remaining) [2025-03-08 22:06:31,039 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (11 of 31 remaining) [2025-03-08 22:06:31,039 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (10 of 31 remaining) [2025-03-08 22:06:31,039 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (9 of 31 remaining) [2025-03-08 22:06:31,039 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (8 of 31 remaining) [2025-03-08 22:06:31,039 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (7 of 31 remaining) [2025-03-08 22:06:31,039 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (6 of 31 remaining) [2025-03-08 22:06:31,039 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (5 of 31 remaining) [2025-03-08 22:06:31,039 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (4 of 31 remaining) [2025-03-08 22:06:31,039 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (3 of 31 remaining) [2025-03-08 22:06:31,039 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (2 of 31 remaining) [2025-03-08 22:06:31,039 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (1 of 31 remaining) [2025-03-08 22:06:31,039 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (0 of 31 remaining) [2025-03-08 22:06:31,039 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2025-03-08 22:06:31,039 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 22:06:31,044 INFO L241 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2025-03-08 22:06:31,044 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-03-08 22:06:31,050 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.03 10:06:31 BasicIcfg [2025-03-08 22:06:31,051 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-03-08 22:06:31,052 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-03-08 22:06:31,052 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-03-08 22:06:31,052 INFO L274 PluginConnector]: Witness Printer initialized [2025-03-08 22:06:31,053 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.03 10:06:29" (3/4) ... [2025-03-08 22:06:31,054 INFO L146 WitnessPrinter]: Generating witness for correct program [2025-03-08 22:06:31,056 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure thread1 [2025-03-08 22:06:31,057 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure thread2 [2025-03-08 22:06:31,059 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2025-03-08 22:06:31,060 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2025-03-08 22:06:31,060 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2025-03-08 22:06:31,060 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2025-03-08 22:06:31,118 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-03-08 22:06:31,118 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2025-03-08 22:06:31,119 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-03-08 22:06:31,119 INFO L158 Benchmark]: Toolchain (without parser) took 2378.27ms. Allocated memory is still 167.8MB. Free memory was 121.1MB in the beginning and 105.5MB in the end (delta: 15.7MB). Peak memory consumption was 18.2MB. Max. memory is 16.1GB. [2025-03-08 22:06:31,119 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 201.3MB. Free memory is still 116.1MB. There was no memory consumed. Max. memory is 16.1GB. [2025-03-08 22:06:31,120 INFO L158 Benchmark]: CACSL2BoogieTranslator took 169.33ms. Allocated memory is still 167.8MB. Free memory was 121.1MB in the beginning and 109.7MB in the end (delta: 11.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-08 22:06:31,120 INFO L158 Benchmark]: Boogie Procedure Inliner took 24.64ms. Allocated memory is still 167.8MB. Free memory was 108.7MB in the beginning and 107.7MB in the end (delta: 993.2kB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-08 22:06:31,120 INFO L158 Benchmark]: Boogie Preprocessor took 21.67ms. Allocated memory is still 167.8MB. Free memory was 107.7MB in the beginning and 106.8MB in the end (delta: 993.3kB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-08 22:06:31,120 INFO L158 Benchmark]: IcfgBuilder took 325.42ms. Allocated memory is still 167.8MB. Free memory was 106.8MB in the beginning and 90.0MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-03-08 22:06:31,121 INFO L158 Benchmark]: TraceAbstraction took 1763.53ms. Allocated memory is still 167.8MB. Free memory was 89.0MB in the beginning and 111.0MB in the end (delta: -22.0MB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-08 22:06:31,121 INFO L158 Benchmark]: Witness Printer took 66.89ms. Allocated memory is still 167.8MB. Free memory was 111.0MB in the beginning and 105.5MB in the end (delta: 5.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-08 22:06:31,122 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 201.3MB. Free memory is still 116.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 169.33ms. Allocated memory is still 167.8MB. Free memory was 121.1MB in the beginning and 109.7MB in the end (delta: 11.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 24.64ms. Allocated memory is still 167.8MB. Free memory was 108.7MB in the beginning and 107.7MB in the end (delta: 993.2kB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 21.67ms. Allocated memory is still 167.8MB. Free memory was 107.7MB in the beginning and 106.8MB in the end (delta: 993.3kB). There was no memory consumed. Max. memory is 16.1GB. * IcfgBuilder took 325.42ms. Allocated memory is still 167.8MB. Free memory was 106.8MB in the beginning and 90.0MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 1763.53ms. Allocated memory is still 167.8MB. Free memory was 89.0MB in the beginning and 111.0MB in the end (delta: -22.0MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 66.89ms. Allocated memory is still 167.8MB. Free memory was 111.0MB in the beginning and 105.5MB in the end (delta: 5.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 39]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 39]: 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: 41]: 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: 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: 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: 54]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 54]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 65]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 66]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 70]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 70]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 234 locations, 244 edges, 31 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: 1.6s, OverallIterations: 10, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 390 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 135 mSDsluCounter, 87 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 34 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 474 IncrementalHoareTripleChecker+Invalid, 508 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 34 mSolverCounterUnsat, 87 mSDtfsCounter, 474 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 20 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=308occurred in iteration=7, InterpolantAutomatonStates: 30, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 532 NumberOfCodeBlocks, 532 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 522 ConstructedInterpolants, 0 QuantifiedInterpolants, 542 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 10 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 17 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2025-03-08 22:06:31,135 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