./Ultimate.py --spec ../sv-benchmarks/c/properties/no-data-race.prp --file ../sv-benchmarks/c/weaver/popl20-bad-threaded-sum-2.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 798a7b37 Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/weaver/popl20-bad-threaded-sum-2.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 6b30bad195dde021066febd52c7985271e0448c265b66e6efcbd9c3306420e73 --- Real Ultimate output --- This is Ultimate 0.3.0-?-798a7b3-m [2025-03-04 06:55:05,419 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-04 06:55:05,484 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2025-03-04 06:55:05,488 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-04 06:55:05,489 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-04 06:55:05,504 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-04 06:55:05,505 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-04 06:55:05,505 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-04 06:55:05,505 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-04 06:55:05,505 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-04 06:55:05,506 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-04 06:55:05,506 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-04 06:55:05,506 INFO L153 SettingsManager]: * Use SBE=true [2025-03-04 06:55:05,506 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-04 06:55:05,506 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-04 06:55:05,506 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-04 06:55:05,506 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-04 06:55:05,506 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-04 06:55:05,506 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-04 06:55:05,507 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-04 06:55:05,507 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-04 06:55:05,507 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-04 06:55:05,507 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2025-03-04 06:55:05,507 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-03-04 06:55:05,507 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-04 06:55:05,507 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-04 06:55:05,507 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-04 06:55:05,507 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-04 06:55:05,508 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-04 06:55:05,508 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-04 06:55:05,508 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-04 06:55:05,508 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-04 06:55:05,508 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-04 06:55:05,508 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-04 06:55:05,508 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-04 06:55:05,508 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-04 06:55:05,508 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-04 06:55:05,508 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-04 06:55:05,509 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-04 06:55:05,509 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-04 06:55:05,509 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-04 06:55:05,509 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-04 06:55:05,509 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 -> 6b30bad195dde021066febd52c7985271e0448c265b66e6efcbd9c3306420e73 [2025-03-04 06:55:05,743 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-04 06:55:05,753 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-04 06:55:05,755 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-04 06:55:05,756 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-04 06:55:05,756 INFO L274 PluginConnector]: CDTParser initialized [2025-03-04 06:55:05,758 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/weaver/popl20-bad-threaded-sum-2.wvr.c [2025-03-04 06:55:06,881 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b3b2c527c/34a21ec5a8a0468b9848659c9cdd9fbe/FLAG8b4ca2e2a [2025-03-04 06:55:07,113 INFO L384 CDTParser]: Found 1 translation units. [2025-03-04 06:55:07,114 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/popl20-bad-threaded-sum-2.wvr.c [2025-03-04 06:55:07,123 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b3b2c527c/34a21ec5a8a0468b9848659c9cdd9fbe/FLAG8b4ca2e2a [2025-03-04 06:55:07,147 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b3b2c527c/34a21ec5a8a0468b9848659c9cdd9fbe [2025-03-04 06:55:07,149 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-04 06:55:07,150 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-04 06:55:07,152 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-04 06:55:07,152 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-04 06:55:07,155 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-04 06:55:07,156 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.03 06:55:07" (1/1) ... [2025-03-04 06:55:07,157 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@34f142ac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 06:55:07, skipping insertion in model container [2025-03-04 06:55:07,159 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.03 06:55:07" (1/1) ... [2025-03-04 06:55:07,176 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-04 06:55:07,310 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-04 06:55:07,321 INFO L200 MainTranslator]: Completed pre-run [2025-03-04 06:55:07,340 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-04 06:55:07,355 INFO L204 MainTranslator]: Completed translation [2025-03-04 06:55:07,356 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 06:55:07 WrapperNode [2025-03-04 06:55:07,356 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-04 06:55:07,357 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-04 06:55:07,357 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-04 06:55:07,357 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-04 06:55:07,362 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 06:55:07" (1/1) ... [2025-03-04 06:55:07,368 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 06:55:07" (1/1) ... [2025-03-04 06:55:07,383 INFO L138 Inliner]: procedures = 20, calls = 25, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 84 [2025-03-04 06:55:07,385 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-04 06:55:07,386 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-04 06:55:07,386 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-04 06:55:07,386 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-04 06:55:07,392 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 06:55:07" (1/1) ... [2025-03-04 06:55:07,394 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 06:55:07" (1/1) ... [2025-03-04 06:55:07,401 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 06:55:07" (1/1) ... [2025-03-04 06:55:07,401 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 06:55:07" (1/1) ... [2025-03-04 06:55:07,410 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 06:55:07" (1/1) ... [2025-03-04 06:55:07,411 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 06:55:07" (1/1) ... [2025-03-04 06:55:07,412 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 06:55:07" (1/1) ... [2025-03-04 06:55:07,413 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 06:55:07" (1/1) ... [2025-03-04 06:55:07,414 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-04 06:55:07,415 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-04 06:55:07,415 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-04 06:55:07,415 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-04 06:55:07,416 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 06:55:07" (1/1) ... [2025-03-04 06:55:07,421 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-04 06:55:07,433 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 06:55:07,450 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-03-04 06:55:07,455 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-03-04 06:55:07,473 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-04 06:55:07,473 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2025-03-04 06:55:07,473 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2025-03-04 06:55:07,473 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2025-03-04 06:55:07,473 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2025-03-04 06:55:07,473 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2025-03-04 06:55:07,473 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2025-03-04 06:55:07,473 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2025-03-04 06:55:07,473 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-04 06:55:07,473 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-04 06:55:07,474 WARN L225 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2025-03-04 06:55:07,546 INFO L256 CfgBuilder]: Building ICFG [2025-03-04 06:55:07,548 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-04 06:55:07,770 INFO L303 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-03-04 06:55:07,773 INFO L307 CfgBuilder]: Performing block encoding [2025-03-04 06:55:07,863 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-04 06:55:07,864 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-04 06:55:07,864 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 04.03 06:55:07 BoogieIcfgContainer [2025-03-04 06:55:07,864 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-04 06:55:07,866 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-04 06:55:07,866 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-04 06:55:07,869 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-04 06:55:07,869 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.03 06:55:07" (1/3) ... [2025-03-04 06:55:07,869 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a6d5380 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.03 06:55:07, skipping insertion in model container [2025-03-04 06:55:07,870 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 06:55:07" (2/3) ... [2025-03-04 06:55:07,870 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a6d5380 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.03 06:55:07, skipping insertion in model container [2025-03-04 06:55:07,870 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 04.03 06:55:07" (3/3) ... [2025-03-04 06:55:07,870 INFO L128 eAbstractionObserver]: Analyzing ICFG popl20-bad-threaded-sum-2.wvr.c [2025-03-04 06:55:07,882 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-04 06:55:07,883 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG popl20-bad-threaded-sum-2.wvr.c that has 3 procedures, 137 locations, 1 initial locations, 2 loop locations, and 26 error locations. [2025-03-04 06:55:07,885 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-03-04 06:55:07,946 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2025-03-04 06:55:07,979 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 143 places, 142 transitions, 298 flow [2025-03-04 06:55:08,018 INFO L124 PetriNetUnfolderBase]: 6/140 cut-off events. [2025-03-04 06:55:08,019 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2025-03-04 06:55:08,024 INFO L83 FinitePrefix]: Finished finitePrefix Result has 149 conditions, 140 events. 6/140 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 137 event pairs, 0 based on Foata normal form. 0/108 useless extension candidates. Maximal degree in co-relation 97. Up to 2 conditions per place. [2025-03-04 06:55:08,024 INFO L82 GeneralOperation]: Start removeDead. Operand has 143 places, 142 transitions, 298 flow [2025-03-04 06:55:08,027 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 125 places, 123 transitions, 258 flow [2025-03-04 06:55:08,032 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-04 06:55:08,041 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;@5a0c3597, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-04 06:55:08,041 INFO L334 AbstractCegarLoop]: Starting to check reachability of 43 error locations. [2025-03-04 06:55:08,047 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2025-03-04 06:55:08,047 INFO L124 PetriNetUnfolderBase]: 0/20 cut-off events. [2025-03-04 06:55:08,047 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-03-04 06:55:08,047 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-04 06:55:08,048 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] [2025-03-04 06:55:08,048 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [thread1Err8ASSERT_VIOLATIONDATA_RACE, thread1Err7ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE, thread1Err5ASSERT_VIOLATIONDATA_RACE (and 39 more)] === [2025-03-04 06:55:08,052 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 06:55:08,052 INFO L85 PathProgramCache]: Analyzing trace with hash -286268403, now seen corresponding path program 1 times [2025-03-04 06:55:08,057 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 06:55:08,058 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [411205949] [2025-03-04 06:55:08,058 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 06:55:08,058 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 06:55:08,113 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 20 statements into 1 equivalence classes. [2025-03-04 06:55:08,122 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 20 of 20 statements. [2025-03-04 06:55:08,122 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 06:55:08,122 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 06:55:08,189 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 06:55:08,190 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 06:55:08,190 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [411205949] [2025-03-04 06:55:08,190 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [411205949] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 06:55:08,192 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 06:55:08,192 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-04 06:55:08,193 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [944127043] [2025-03-04 06:55:08,193 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 06:55:08,198 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-04 06:55:08,201 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 06:55:08,220 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-04 06:55:08,220 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-04 06:55:08,248 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 103 out of 142 [2025-03-04 06:55:08,250 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 125 places, 123 transitions, 258 flow. Second operand has 3 states, 3 states have (on average 104.33333333333333) internal successors, (313), 3 states have internal predecessors, (313), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 06:55:08,251 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-04 06:55:08,251 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 103 of 142 [2025-03-04 06:55:08,251 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-04 06:55:08,327 INFO L124 PetriNetUnfolderBase]: 26/151 cut-off events. [2025-03-04 06:55:08,327 INFO L125 PetriNetUnfolderBase]: For 17/17 co-relation queries the response was YES. [2025-03-04 06:55:08,328 INFO L83 FinitePrefix]: Finished finitePrefix Result has 220 conditions, 151 events. 26/151 cut-off events. For 17/17 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 209 event pairs, 11 based on Foata normal form. 1/128 useless extension candidates. Maximal degree in co-relation 105. Up to 51 conditions per place. [2025-03-04 06:55:08,330 INFO L140 encePairwiseOnDemand]: 123/142 looper letters, 17 selfloop transitions, 2 changer transitions 1/106 dead transitions. [2025-03-04 06:55:08,330 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 111 places, 106 transitions, 262 flow [2025-03-04 06:55:08,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-04 06:55:08,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-04 06:55:08,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 345 transitions. [2025-03-04 06:55:08,343 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8098591549295775 [2025-03-04 06:55:08,344 INFO L175 Difference]: Start difference. First operand has 125 places, 123 transitions, 258 flow. Second operand 3 states and 345 transitions. [2025-03-04 06:55:08,345 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 111 places, 106 transitions, 262 flow [2025-03-04 06:55:08,349 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 107 places, 106 transitions, 254 flow, removed 0 selfloop flow, removed 4 redundant places. [2025-03-04 06:55:08,353 INFO L231 Difference]: Finished difference. Result has 107 places, 105 transitions, 218 flow [2025-03-04 06:55:08,355 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=142, PETRI_DIFFERENCE_MINUEND_FLOW=216, PETRI_DIFFERENCE_MINUEND_PLACES=105, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=106, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=104, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=218, PETRI_PLACES=107, PETRI_TRANSITIONS=105} [2025-03-04 06:55:08,358 INFO L279 CegarLoopForPetriNet]: 125 programPoint places, -18 predicate places. [2025-03-04 06:55:08,359 INFO L471 AbstractCegarLoop]: Abstraction has has 107 places, 105 transitions, 218 flow [2025-03-04 06:55:08,360 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 104.33333333333333) internal successors, (313), 3 states have internal predecessors, (313), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 06:55:08,360 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-04 06:55:08,360 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] [2025-03-04 06:55:08,360 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-03-04 06:55:08,360 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [thread1Err8ASSERT_VIOLATIONDATA_RACE, thread1Err7ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE, thread1Err5ASSERT_VIOLATIONDATA_RACE (and 39 more)] === [2025-03-04 06:55:08,360 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 06:55:08,360 INFO L85 PathProgramCache]: Analyzing trace with hash -1666869475, now seen corresponding path program 1 times [2025-03-04 06:55:08,361 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 06:55:08,361 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1941981447] [2025-03-04 06:55:08,361 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 06:55:08,361 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 06:55:08,367 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 27 statements into 1 equivalence classes. [2025-03-04 06:55:08,373 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 27 of 27 statements. [2025-03-04 06:55:08,374 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 06:55:08,374 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 06:55:08,404 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 06:55:08,405 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 06:55:08,405 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1941981447] [2025-03-04 06:55:08,405 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1941981447] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 06:55:08,405 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 06:55:08,405 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-04 06:55:08,405 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [499560550] [2025-03-04 06:55:08,405 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 06:55:08,406 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-04 06:55:08,406 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 06:55:08,406 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-04 06:55:08,406 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-04 06:55:08,433 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 103 out of 142 [2025-03-04 06:55:08,434 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 107 places, 105 transitions, 218 flow. Second operand has 3 states, 3 states have (on average 104.33333333333333) internal successors, (313), 3 states have internal predecessors, (313), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 06:55:08,434 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-04 06:55:08,434 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 103 of 142 [2025-03-04 06:55:08,434 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-04 06:55:08,516 INFO L124 PetriNetUnfolderBase]: 26/149 cut-off events. [2025-03-04 06:55:08,516 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2025-03-04 06:55:08,517 INFO L83 FinitePrefix]: Finished finitePrefix Result has 210 conditions, 149 events. 26/149 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 205 event pairs, 11 based on Foata normal form. 0/127 useless extension candidates. Maximal degree in co-relation 182. Up to 51 conditions per place. [2025-03-04 06:55:08,517 INFO L140 encePairwiseOnDemand]: 139/142 looper letters, 17 selfloop transitions, 2 changer transitions 0/104 dead transitions. [2025-03-04 06:55:08,517 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 107 places, 104 transitions, 254 flow [2025-03-04 06:55:08,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-04 06:55:08,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-04 06:55:08,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 329 transitions. [2025-03-04 06:55:08,519 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7723004694835681 [2025-03-04 06:55:08,519 INFO L175 Difference]: Start difference. First operand has 107 places, 105 transitions, 218 flow. Second operand 3 states and 329 transitions. [2025-03-04 06:55:08,519 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 107 places, 104 transitions, 254 flow [2025-03-04 06:55:08,520 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 105 places, 104 transitions, 250 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-03-04 06:55:08,521 INFO L231 Difference]: Finished difference. Result has 105 places, 104 transitions, 216 flow [2025-03-04 06:55:08,521 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=142, PETRI_DIFFERENCE_MINUEND_FLOW=212, PETRI_DIFFERENCE_MINUEND_PLACES=103, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=104, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=102, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=216, PETRI_PLACES=105, PETRI_TRANSITIONS=104} [2025-03-04 06:55:08,522 INFO L279 CegarLoopForPetriNet]: 125 programPoint places, -20 predicate places. [2025-03-04 06:55:08,522 INFO L471 AbstractCegarLoop]: Abstraction has has 105 places, 104 transitions, 216 flow [2025-03-04 06:55:08,522 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 104.33333333333333) internal successors, (313), 3 states have internal predecessors, (313), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 06:55:08,522 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-04 06:55:08,522 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 06:55:08,522 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-03-04 06:55:08,522 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [thread1Err8ASSERT_VIOLATIONDATA_RACE, thread1Err7ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE, thread1Err5ASSERT_VIOLATIONDATA_RACE (and 39 more)] === [2025-03-04 06:55:08,523 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 06:55:08,523 INFO L85 PathProgramCache]: Analyzing trace with hash 340994135, now seen corresponding path program 1 times [2025-03-04 06:55:08,523 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 06:55:08,523 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1099486403] [2025-03-04 06:55:08,523 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 06:55:08,523 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 06:55:08,529 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 31 statements into 1 equivalence classes. [2025-03-04 06:55:08,532 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 31 of 31 statements. [2025-03-04 06:55:08,532 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 06:55:08,532 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 06:55:08,561 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 06:55:08,561 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 06:55:08,561 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1099486403] [2025-03-04 06:55:08,562 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1099486403] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 06:55:08,562 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 06:55:08,562 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-04 06:55:08,562 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1258028744] [2025-03-04 06:55:08,563 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 06:55:08,563 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-04 06:55:08,564 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 06:55:08,565 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-04 06:55:08,565 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-04 06:55:08,579 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 105 out of 142 [2025-03-04 06:55:08,581 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 105 places, 104 transitions, 216 flow. Second operand has 3 states, 3 states have (on average 106.0) internal successors, (318), 3 states have internal predecessors, (318), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 06:55:08,581 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-04 06:55:08,581 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 105 of 142 [2025-03-04 06:55:08,581 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-04 06:55:08,632 INFO L124 PetriNetUnfolderBase]: 41/199 cut-off events. [2025-03-04 06:55:08,632 INFO L125 PetriNetUnfolderBase]: For 8/8 co-relation queries the response was YES. [2025-03-04 06:55:08,632 INFO L83 FinitePrefix]: Finished finitePrefix Result has 287 conditions, 199 events. 41/199 cut-off events. For 8/8 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 436 event pairs, 5 based on Foata normal form. 0/171 useless extension candidates. Maximal degree in co-relation 252. Up to 47 conditions per place. [2025-03-04 06:55:08,633 INFO L140 encePairwiseOnDemand]: 134/142 looper letters, 22 selfloop transitions, 6 changer transitions 0/113 dead transitions. [2025-03-04 06:55:08,633 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 105 places, 113 transitions, 293 flow [2025-03-04 06:55:08,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-04 06:55:08,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-04 06:55:08,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 345 transitions. [2025-03-04 06:55:08,636 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8098591549295775 [2025-03-04 06:55:08,636 INFO L175 Difference]: Start difference. First operand has 105 places, 104 transitions, 216 flow. Second operand 3 states and 345 transitions. [2025-03-04 06:55:08,636 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 105 places, 113 transitions, 293 flow [2025-03-04 06:55:08,637 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 103 places, 113 transitions, 289 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-03-04 06:55:08,639 INFO L231 Difference]: Finished difference. Result has 105 places, 107 transitions, 252 flow [2025-03-04 06:55:08,639 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=142, PETRI_DIFFERENCE_MINUEND_FLOW=208, PETRI_DIFFERENCE_MINUEND_PLACES=101, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=102, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=96, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=252, PETRI_PLACES=105, PETRI_TRANSITIONS=107} [2025-03-04 06:55:08,639 INFO L279 CegarLoopForPetriNet]: 125 programPoint places, -20 predicate places. [2025-03-04 06:55:08,639 INFO L471 AbstractCegarLoop]: Abstraction has has 105 places, 107 transitions, 252 flow [2025-03-04 06:55:08,640 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 106.0) internal successors, (318), 3 states have internal predecessors, (318), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 06:55:08,640 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-04 06:55:08,640 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 06:55:08,640 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-03-04 06:55:08,640 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [thread1Err8ASSERT_VIOLATIONDATA_RACE, thread1Err7ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE, thread1Err5ASSERT_VIOLATIONDATA_RACE (and 39 more)] === [2025-03-04 06:55:08,640 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 06:55:08,640 INFO L85 PathProgramCache]: Analyzing trace with hash -338340696, now seen corresponding path program 1 times [2025-03-04 06:55:08,640 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 06:55:08,640 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1650800788] [2025-03-04 06:55:08,641 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 06:55:08,641 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 06:55:08,646 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 35 statements into 1 equivalence classes. [2025-03-04 06:55:08,651 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 35 of 35 statements. [2025-03-04 06:55:08,651 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 06:55:08,651 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 06:55:08,682 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 06:55:08,682 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 06:55:08,682 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1650800788] [2025-03-04 06:55:08,682 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1650800788] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 06:55:08,682 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 06:55:08,682 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-04 06:55:08,682 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [546503143] [2025-03-04 06:55:08,682 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 06:55:08,682 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-04 06:55:08,683 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 06:55:08,683 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-04 06:55:08,683 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-04 06:55:08,698 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 104 out of 142 [2025-03-04 06:55:08,698 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 105 places, 107 transitions, 252 flow. Second operand has 3 states, 3 states have (on average 105.33333333333333) internal successors, (316), 3 states have internal predecessors, (316), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 06:55:08,698 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-04 06:55:08,698 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 104 of 142 [2025-03-04 06:55:08,699 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-04 06:55:08,755 INFO L124 PetriNetUnfolderBase]: 41/194 cut-off events. [2025-03-04 06:55:08,755 INFO L125 PetriNetUnfolderBase]: For 60/60 co-relation queries the response was YES. [2025-03-04 06:55:08,756 INFO L83 FinitePrefix]: Finished finitePrefix Result has 345 conditions, 194 events. 41/194 cut-off events. For 60/60 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 410 event pairs, 13 based on Foata normal form. 0/173 useless extension candidates. Maximal degree in co-relation 170. Up to 79 conditions per place. [2025-03-04 06:55:08,758 INFO L140 encePairwiseOnDemand]: 139/142 looper letters, 21 selfloop transitions, 2 changer transitions 0/106 dead transitions. [2025-03-04 06:55:08,758 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 106 places, 106 transitions, 296 flow [2025-03-04 06:55:08,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-04 06:55:08,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-04 06:55:08,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 331 transitions. [2025-03-04 06:55:08,759 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7769953051643192 [2025-03-04 06:55:08,759 INFO L175 Difference]: Start difference. First operand has 105 places, 107 transitions, 252 flow. Second operand 3 states and 331 transitions. [2025-03-04 06:55:08,759 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 106 places, 106 transitions, 296 flow [2025-03-04 06:55:08,760 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 104 places, 106 transitions, 284 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-03-04 06:55:08,761 INFO L231 Difference]: Finished difference. Result has 104 places, 106 transitions, 242 flow [2025-03-04 06:55:08,761 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=142, PETRI_DIFFERENCE_MINUEND_FLOW=238, PETRI_DIFFERENCE_MINUEND_PLACES=102, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=106, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=104, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=242, PETRI_PLACES=104, PETRI_TRANSITIONS=106} [2025-03-04 06:55:08,764 INFO L279 CegarLoopForPetriNet]: 125 programPoint places, -21 predicate places. [2025-03-04 06:55:08,765 INFO L471 AbstractCegarLoop]: Abstraction has has 104 places, 106 transitions, 242 flow [2025-03-04 06:55:08,765 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 105.33333333333333) internal successors, (316), 3 states have internal predecessors, (316), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 06:55:08,765 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-04 06:55:08,765 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] [2025-03-04 06:55:08,765 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-03-04 06:55:08,765 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [thread1Err8ASSERT_VIOLATIONDATA_RACE, thread1Err7ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE, thread1Err5ASSERT_VIOLATIONDATA_RACE (and 39 more)] === [2025-03-04 06:55:08,766 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 06:55:08,766 INFO L85 PathProgramCache]: Analyzing trace with hash 780891894, now seen corresponding path program 1 times [2025-03-04 06:55:08,766 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 06:55:08,766 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [410349040] [2025-03-04 06:55:08,766 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 06:55:08,766 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 06:55:08,772 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 38 statements into 1 equivalence classes. [2025-03-04 06:55:08,779 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 38 of 38 statements. [2025-03-04 06:55:08,779 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 06:55:08,779 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 06:55:08,805 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 06:55:08,805 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 06:55:08,805 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [410349040] [2025-03-04 06:55:08,805 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [410349040] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 06:55:08,805 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 06:55:08,805 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-04 06:55:08,805 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1726794533] [2025-03-04 06:55:08,806 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 06:55:08,806 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-04 06:55:08,806 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 06:55:08,806 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-04 06:55:08,806 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-04 06:55:08,815 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 105 out of 142 [2025-03-04 06:55:08,816 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 104 places, 106 transitions, 242 flow. Second operand has 3 states, 3 states have (on average 106.0) internal successors, (318), 3 states have internal predecessors, (318), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 06:55:08,816 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-04 06:55:08,816 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 105 of 142 [2025-03-04 06:55:08,816 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-04 06:55:08,855 INFO L124 PetriNetUnfolderBase]: 41/192 cut-off events. [2025-03-04 06:55:08,855 INFO L125 PetriNetUnfolderBase]: For 27/27 co-relation queries the response was YES. [2025-03-04 06:55:08,855 INFO L83 FinitePrefix]: Finished finitePrefix Result has 322 conditions, 192 events. 41/192 cut-off events. For 27/27 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 406 event pairs, 9 based on Foata normal form. 0/166 useless extension candidates. Maximal degree in co-relation 278. Up to 61 conditions per place. [2025-03-04 06:55:08,856 INFO L140 encePairwiseOnDemand]: 137/142 looper letters, 27 selfloop transitions, 3 changer transitions 0/112 dead transitions. [2025-03-04 06:55:08,856 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 104 places, 112 transitions, 329 flow [2025-03-04 06:55:08,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-04 06:55:08,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-04 06:55:08,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 339 transitions. [2025-03-04 06:55:08,857 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.795774647887324 [2025-03-04 06:55:08,857 INFO L175 Difference]: Start difference. First operand has 104 places, 106 transitions, 242 flow. Second operand 3 states and 339 transitions. [2025-03-04 06:55:08,858 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 104 places, 112 transitions, 329 flow [2025-03-04 06:55:08,859 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 102 places, 112 transitions, 325 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-03-04 06:55:08,860 INFO L231 Difference]: Finished difference. Result has 102 places, 104 transitions, 240 flow [2025-03-04 06:55:08,860 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=142, PETRI_DIFFERENCE_MINUEND_FLOW=234, PETRI_DIFFERENCE_MINUEND_PLACES=100, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=104, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=101, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=240, PETRI_PLACES=102, PETRI_TRANSITIONS=104} [2025-03-04 06:55:08,861 INFO L279 CegarLoopForPetriNet]: 125 programPoint places, -23 predicate places. [2025-03-04 06:55:08,861 INFO L471 AbstractCegarLoop]: Abstraction has has 102 places, 104 transitions, 240 flow [2025-03-04 06:55:08,861 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 106.0) internal successors, (318), 3 states have internal predecessors, (318), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 06:55:08,861 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-04 06:55:08,861 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] [2025-03-04 06:55:08,861 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-03-04 06:55:08,861 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [thread1Err8ASSERT_VIOLATIONDATA_RACE, thread1Err7ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE, thread1Err5ASSERT_VIOLATIONDATA_RACE (and 39 more)] === [2025-03-04 06:55:08,862 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 06:55:08,862 INFO L85 PathProgramCache]: Analyzing trace with hash 2115247500, now seen corresponding path program 1 times [2025-03-04 06:55:08,862 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 06:55:08,862 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1391047753] [2025-03-04 06:55:08,862 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 06:55:08,862 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 06:55:08,870 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 42 statements into 1 equivalence classes. [2025-03-04 06:55:08,873 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 42 of 42 statements. [2025-03-04 06:55:08,874 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 06:55:08,875 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 06:55:08,893 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 06:55:08,893 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 06:55:08,893 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1391047753] [2025-03-04 06:55:08,893 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1391047753] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 06:55:08,893 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 06:55:08,893 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-04 06:55:08,894 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [78065365] [2025-03-04 06:55:08,894 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 06:55:08,894 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-04 06:55:08,894 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 06:55:08,894 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-04 06:55:08,894 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-04 06:55:08,904 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 104 out of 142 [2025-03-04 06:55:08,905 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 102 places, 104 transitions, 240 flow. Second operand has 3 states, 3 states have (on average 105.33333333333333) internal successors, (316), 3 states have internal predecessors, (316), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 06:55:08,906 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-04 06:55:08,906 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 104 of 142 [2025-03-04 06:55:08,906 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-04 06:55:08,945 INFO L124 PetriNetUnfolderBase]: 41/191 cut-off events. [2025-03-04 06:55:08,945 INFO L125 PetriNetUnfolderBase]: For 30/30 co-relation queries the response was YES. [2025-03-04 06:55:08,946 INFO L83 FinitePrefix]: Finished finitePrefix Result has 336 conditions, 191 events. 41/191 cut-off events. For 30/30 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 403 event pairs, 13 based on Foata normal form. 0/165 useless extension candidates. Maximal degree in co-relation 182. Up to 79 conditions per place. [2025-03-04 06:55:08,947 INFO L140 encePairwiseOnDemand]: 139/142 looper letters, 21 selfloop transitions, 2 changer transitions 0/103 dead transitions. [2025-03-04 06:55:08,947 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 103 places, 103 transitions, 284 flow [2025-03-04 06:55:08,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-04 06:55:08,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-04 06:55:08,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 331 transitions. [2025-03-04 06:55:08,949 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7769953051643192 [2025-03-04 06:55:08,949 INFO L175 Difference]: Start difference. First operand has 102 places, 104 transitions, 240 flow. Second operand 3 states and 331 transitions. [2025-03-04 06:55:08,949 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 103 places, 103 transitions, 284 flow [2025-03-04 06:55:08,950 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 101 places, 103 transitions, 278 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-03-04 06:55:08,951 INFO L231 Difference]: Finished difference. Result has 101 places, 103 transitions, 236 flow [2025-03-04 06:55:08,952 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=142, PETRI_DIFFERENCE_MINUEND_FLOW=232, PETRI_DIFFERENCE_MINUEND_PLACES=99, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=103, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=101, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=236, PETRI_PLACES=101, PETRI_TRANSITIONS=103} [2025-03-04 06:55:08,952 INFO L279 CegarLoopForPetriNet]: 125 programPoint places, -24 predicate places. [2025-03-04 06:55:08,953 INFO L471 AbstractCegarLoop]: Abstraction has has 101 places, 103 transitions, 236 flow [2025-03-04 06:55:08,953 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 105.33333333333333) internal successors, (316), 3 states have internal predecessors, (316), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 06:55:08,954 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-04 06:55:08,954 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] [2025-03-04 06:55:08,954 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2025-03-04 06:55:08,954 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err8ASSERT_VIOLATIONDATA_RACE, thread1Err7ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE, thread1Err5ASSERT_VIOLATIONDATA_RACE (and 39 more)] === [2025-03-04 06:55:08,954 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 06:55:08,954 INFO L85 PathProgramCache]: Analyzing trace with hash 169745113, now seen corresponding path program 1 times [2025-03-04 06:55:08,954 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 06:55:08,954 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [585896075] [2025-03-04 06:55:08,955 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 06:55:08,955 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 06:55:08,966 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 80 statements into 1 equivalence classes. [2025-03-04 06:55:08,995 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 80 of 80 statements. [2025-03-04 06:55:08,995 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 06:55:08,995 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 06:55:09,052 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 06:55:09,052 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 06:55:09,052 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [585896075] [2025-03-04 06:55:09,053 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [585896075] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 06:55:09,053 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 06:55:09,053 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-04 06:55:09,053 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1300078103] [2025-03-04 06:55:09,053 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 06:55:09,054 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-04 06:55:09,054 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 06:55:09,054 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-04 06:55:09,054 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-04 06:55:09,058 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 109 out of 142 [2025-03-04 06:55:09,059 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 101 places, 103 transitions, 236 flow. Second operand has 3 states, 3 states have (on average 111.66666666666667) internal successors, (335), 3 states have internal predecessors, (335), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 06:55:09,060 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-04 06:55:09,060 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 109 of 142 [2025-03-04 06:55:09,060 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-04 06:55:09,130 INFO L124 PetriNetUnfolderBase]: 41/189 cut-off events. [2025-03-04 06:55:09,130 INFO L125 PetriNetUnfolderBase]: For 26/26 co-relation queries the response was YES. [2025-03-04 06:55:09,131 INFO L83 FinitePrefix]: Finished finitePrefix Result has 318 conditions, 189 events. 41/189 cut-off events. For 26/26 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 396 event pairs, 13 based on Foata normal form. 0/165 useless extension candidates. Maximal degree in co-relation 268. Up to 74 conditions per place. [2025-03-04 06:55:09,132 INFO L140 encePairwiseOnDemand]: 140/142 looper letters, 18 selfloop transitions, 1 changer transitions 0/102 dead transitions. [2025-03-04 06:55:09,132 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 102 places, 102 transitions, 272 flow [2025-03-04 06:55:09,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-04 06:55:09,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-04 06:55:09,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 342 transitions. [2025-03-04 06:55:09,133 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8028169014084507 [2025-03-04 06:55:09,134 INFO L175 Difference]: Start difference. First operand has 101 places, 103 transitions, 236 flow. Second operand 3 states and 342 transitions. [2025-03-04 06:55:09,134 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 102 places, 102 transitions, 272 flow [2025-03-04 06:55:09,135 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 100 places, 102 transitions, 268 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-03-04 06:55:09,136 INFO L231 Difference]: Finished difference. Result has 100 places, 102 transitions, 232 flow [2025-03-04 06:55:09,136 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=142, PETRI_DIFFERENCE_MINUEND_FLOW=230, PETRI_DIFFERENCE_MINUEND_PLACES=98, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=102, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=101, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=232, PETRI_PLACES=100, PETRI_TRANSITIONS=102} [2025-03-04 06:55:09,137 INFO L279 CegarLoopForPetriNet]: 125 programPoint places, -25 predicate places. [2025-03-04 06:55:09,137 INFO L471 AbstractCegarLoop]: Abstraction has has 100 places, 102 transitions, 232 flow [2025-03-04 06:55:09,137 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 111.66666666666667) internal successors, (335), 3 states have internal predecessors, (335), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 06:55:09,137 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-04 06:55:09,137 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] [2025-03-04 06:55:09,137 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2025-03-04 06:55:09,137 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err8ASSERT_VIOLATIONDATA_RACE, thread1Err7ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE, thread1Err5ASSERT_VIOLATIONDATA_RACE (and 39 more)] === [2025-03-04 06:55:09,138 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 06:55:09,138 INFO L85 PathProgramCache]: Analyzing trace with hash -1337654532, now seen corresponding path program 1 times [2025-03-04 06:55:09,138 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 06:55:09,138 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [367445273] [2025-03-04 06:55:09,138 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 06:55:09,138 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 06:55:09,149 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 82 statements into 1 equivalence classes. [2025-03-04 06:55:09,159 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 82 of 82 statements. [2025-03-04 06:55:09,159 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 06:55:09,159 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 06:55:09,205 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 06:55:09,205 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 06:55:09,205 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [367445273] [2025-03-04 06:55:09,205 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [367445273] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 06:55:09,205 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 06:55:09,205 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-04 06:55:09,205 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1668462162] [2025-03-04 06:55:09,205 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 06:55:09,206 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-04 06:55:09,206 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 06:55:09,206 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-04 06:55:09,206 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-04 06:55:09,212 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 108 out of 142 [2025-03-04 06:55:09,213 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 100 places, 102 transitions, 232 flow. Second operand has 3 states, 3 states have (on average 111.0) internal successors, (333), 3 states have internal predecessors, (333), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 06:55:09,213 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-04 06:55:09,214 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 108 of 142 [2025-03-04 06:55:09,214 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-04 06:55:09,252 INFO L124 PetriNetUnfolderBase]: 41/187 cut-off events. [2025-03-04 06:55:09,252 INFO L125 PetriNetUnfolderBase]: For 26/26 co-relation queries the response was YES. [2025-03-04 06:55:09,253 INFO L83 FinitePrefix]: Finished finitePrefix Result has 317 conditions, 187 events. 41/187 cut-off events. For 26/26 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 390 event pairs, 13 based on Foata normal form. 0/165 useless extension candidates. Maximal degree in co-relation 295. Up to 75 conditions per place. [2025-03-04 06:55:09,254 INFO L140 encePairwiseOnDemand]: 140/142 looper letters, 19 selfloop transitions, 1 changer transitions 0/101 dead transitions. [2025-03-04 06:55:09,254 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 101 places, 101 transitions, 270 flow [2025-03-04 06:55:09,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-04 06:55:09,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-04 06:55:09,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 340 transitions. [2025-03-04 06:55:09,255 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7981220657276995 [2025-03-04 06:55:09,255 INFO L175 Difference]: Start difference. First operand has 100 places, 102 transitions, 232 flow. Second operand 3 states and 340 transitions. [2025-03-04 06:55:09,255 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 101 places, 101 transitions, 270 flow [2025-03-04 06:55:09,257 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 100 places, 101 transitions, 269 flow, removed 0 selfloop flow, removed 1 redundant places. [2025-03-04 06:55:09,259 INFO L231 Difference]: Finished difference. Result has 100 places, 101 transitions, 231 flow [2025-03-04 06:55:09,260 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=142, PETRI_DIFFERENCE_MINUEND_FLOW=229, PETRI_DIFFERENCE_MINUEND_PLACES=98, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=101, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=100, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=231, PETRI_PLACES=100, PETRI_TRANSITIONS=101} [2025-03-04 06:55:09,260 INFO L279 CegarLoopForPetriNet]: 125 programPoint places, -25 predicate places. [2025-03-04 06:55:09,260 INFO L471 AbstractCegarLoop]: Abstraction has has 100 places, 101 transitions, 231 flow [2025-03-04 06:55:09,260 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 111.0) internal successors, (333), 3 states have internal predecessors, (333), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 06:55:09,260 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-04 06:55:09,260 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 06:55:09,262 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2025-03-04 06:55:09,262 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err8ASSERT_VIOLATIONDATA_RACE, thread1Err7ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE, thread1Err5ASSERT_VIOLATIONDATA_RACE (and 39 more)] === [2025-03-04 06:55:09,263 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 06:55:09,263 INFO L85 PathProgramCache]: Analyzing trace with hash -1290771325, now seen corresponding path program 1 times [2025-03-04 06:55:09,263 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 06:55:09,263 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [151361114] [2025-03-04 06:55:09,263 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 06:55:09,263 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 06:55:09,273 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 84 statements into 1 equivalence classes. [2025-03-04 06:55:09,281 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 84 of 84 statements. [2025-03-04 06:55:09,282 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 06:55:09,282 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 06:55:09,318 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 06:55:09,319 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 06:55:09,319 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [151361114] [2025-03-04 06:55:09,319 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [151361114] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 06:55:09,319 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 06:55:09,319 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-04 06:55:09,320 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [997925822] [2025-03-04 06:55:09,320 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 06:55:09,320 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-04 06:55:09,320 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 06:55:09,321 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-04 06:55:09,321 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-04 06:55:09,328 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 108 out of 142 [2025-03-04 06:55:09,329 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 100 places, 101 transitions, 231 flow. Second operand has 3 states, 3 states have (on average 111.0) internal successors, (333), 3 states have internal predecessors, (333), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 06:55:09,329 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-04 06:55:09,329 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 108 of 142 [2025-03-04 06:55:09,329 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-04 06:55:09,362 INFO L124 PetriNetUnfolderBase]: 41/185 cut-off events. [2025-03-04 06:55:09,362 INFO L125 PetriNetUnfolderBase]: For 26/26 co-relation queries the response was YES. [2025-03-04 06:55:09,363 INFO L83 FinitePrefix]: Finished finitePrefix Result has 315 conditions, 185 events. 41/185 cut-off events. For 26/26 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 388 event pairs, 13 based on Foata normal form. 2/165 useless extension candidates. Maximal degree in co-relation 301. Up to 75 conditions per place. [2025-03-04 06:55:09,363 INFO L140 encePairwiseOnDemand]: 140/142 looper letters, 0 selfloop transitions, 0 changer transitions 100/100 dead transitions. [2025-03-04 06:55:09,363 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 101 places, 100 transitions, 267 flow [2025-03-04 06:55:09,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-04 06:55:09,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-04 06:55:09,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 339 transitions. [2025-03-04 06:55:09,364 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.795774647887324 [2025-03-04 06:55:09,364 INFO L175 Difference]: Start difference. First operand has 100 places, 101 transitions, 231 flow. Second operand 3 states and 339 transitions. [2025-03-04 06:55:09,364 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 101 places, 100 transitions, 267 flow [2025-03-04 06:55:09,365 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 100 places, 100 transitions, 266 flow, removed 0 selfloop flow, removed 1 redundant places. [2025-03-04 06:55:09,365 INFO L231 Difference]: Finished difference. Result has 100 places, 0 transitions, 0 flow [2025-03-04 06:55:09,365 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=142, PETRI_DIFFERENCE_MINUEND_FLOW=228, PETRI_DIFFERENCE_MINUEND_PLACES=98, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=100, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=100, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=100, PETRI_TRANSITIONS=0} [2025-03-04 06:55:09,366 INFO L279 CegarLoopForPetriNet]: 125 programPoint places, -25 predicate places. [2025-03-04 06:55:09,366 INFO L471 AbstractCegarLoop]: Abstraction has has 100 places, 0 transitions, 0 flow [2025-03-04 06:55:09,366 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 111.0) internal successors, (333), 3 states have internal predecessors, (333), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 06:55:09,369 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (42 of 43 remaining) [2025-03-04 06:55:09,369 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (41 of 43 remaining) [2025-03-04 06:55:09,369 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (40 of 43 remaining) [2025-03-04 06:55:09,369 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (39 of 43 remaining) [2025-03-04 06:55:09,369 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (38 of 43 remaining) [2025-03-04 06:55:09,370 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (37 of 43 remaining) [2025-03-04 06:55:09,370 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (36 of 43 remaining) [2025-03-04 06:55:09,370 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (35 of 43 remaining) [2025-03-04 06:55:09,370 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (34 of 43 remaining) [2025-03-04 06:55:09,370 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (33 of 43 remaining) [2025-03-04 06:55:09,370 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (32 of 43 remaining) [2025-03-04 06:55:09,370 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (31 of 43 remaining) [2025-03-04 06:55:09,370 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (30 of 43 remaining) [2025-03-04 06:55:09,371 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (29 of 43 remaining) [2025-03-04 06:55:09,371 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (28 of 43 remaining) [2025-03-04 06:55:09,371 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (27 of 43 remaining) [2025-03-04 06:55:09,371 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (26 of 43 remaining) [2025-03-04 06:55:09,371 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (25 of 43 remaining) [2025-03-04 06:55:09,371 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (24 of 43 remaining) [2025-03-04 06:55:09,371 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (23 of 43 remaining) [2025-03-04 06:55:09,371 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (22 of 43 remaining) [2025-03-04 06:55:09,371 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (21 of 43 remaining) [2025-03-04 06:55:09,371 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (20 of 43 remaining) [2025-03-04 06:55:09,371 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (19 of 43 remaining) [2025-03-04 06:55:09,371 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (18 of 43 remaining) [2025-03-04 06:55:09,371 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (17 of 43 remaining) [2025-03-04 06:55:09,371 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (16 of 43 remaining) [2025-03-04 06:55:09,371 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (15 of 43 remaining) [2025-03-04 06:55:09,371 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (14 of 43 remaining) [2025-03-04 06:55:09,371 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (13 of 43 remaining) [2025-03-04 06:55:09,371 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (12 of 43 remaining) [2025-03-04 06:55:09,371 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (11 of 43 remaining) [2025-03-04 06:55:09,371 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (10 of 43 remaining) [2025-03-04 06:55:09,371 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (9 of 43 remaining) [2025-03-04 06:55:09,371 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (8 of 43 remaining) [2025-03-04 06:55:09,371 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (7 of 43 remaining) [2025-03-04 06:55:09,371 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (6 of 43 remaining) [2025-03-04 06:55:09,371 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (5 of 43 remaining) [2025-03-04 06:55:09,371 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (4 of 43 remaining) [2025-03-04 06:55:09,371 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (3 of 43 remaining) [2025-03-04 06:55:09,371 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (2 of 43 remaining) [2025-03-04 06:55:09,371 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (1 of 43 remaining) [2025-03-04 06:55:09,372 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (0 of 43 remaining) [2025-03-04 06:55:09,372 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2025-03-04 06:55:09,372 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 06:55:09,376 INFO L241 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2025-03-04 06:55:09,376 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-03-04 06:55:09,379 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 04.03 06:55:09 BasicIcfg [2025-03-04 06:55:09,379 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-03-04 06:55:09,380 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-03-04 06:55:09,380 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-03-04 06:55:09,380 INFO L274 PluginConnector]: Witness Printer initialized [2025-03-04 06:55:09,381 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 04.03 06:55:07" (3/4) ... [2025-03-04 06:55:09,382 INFO L146 WitnessPrinter]: Generating witness for correct program [2025-03-04 06:55:09,383 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure thread1 [2025-03-04 06:55:09,384 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure thread2 [2025-03-04 06:55:09,388 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2025-03-04 06:55:09,388 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2025-03-04 06:55:09,388 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2025-03-04 06:55:09,388 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2025-03-04 06:55:09,440 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-03-04 06:55:09,443 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2025-03-04 06:55:09,443 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-03-04 06:55:09,444 INFO L158 Benchmark]: Toolchain (without parser) took 2293.80ms. Allocated memory is still 167.8MB. Free memory was 121.1MB in the beginning and 82.4MB in the end (delta: 38.7MB). Peak memory consumption was 41.7MB. Max. memory is 16.1GB. [2025-03-04 06:55:09,444 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 201.3MB. Free memory is still 119.1MB. There was no memory consumed. Max. memory is 16.1GB. [2025-03-04 06:55:09,444 INFO L158 Benchmark]: CACSL2BoogieTranslator took 204.91ms. Allocated memory is still 167.8MB. Free memory was 121.1MB in the beginning and 109.3MB in the end (delta: 11.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-04 06:55:09,444 INFO L158 Benchmark]: Boogie Procedure Inliner took 28.06ms. Allocated memory is still 167.8MB. Free memory was 109.3MB in the beginning and 108.1MB in the end (delta: 1.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-04 06:55:09,444 INFO L158 Benchmark]: Boogie Preprocessor took 28.62ms. Allocated memory is still 167.8MB. Free memory was 108.1MB in the beginning and 107.2MB in the end (delta: 838.5kB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-04 06:55:09,445 INFO L158 Benchmark]: IcfgBuilder took 448.86ms. Allocated memory is still 167.8MB. Free memory was 107.2MB in the beginning and 78.3MB in the end (delta: 28.9MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2025-03-04 06:55:09,445 INFO L158 Benchmark]: TraceAbstraction took 1513.84ms. Allocated memory is still 167.8MB. Free memory was 77.9MB in the beginning and 87.8MB in the end (delta: -9.9MB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-04 06:55:09,445 INFO L158 Benchmark]: Witness Printer took 63.26ms. Allocated memory is still 167.8MB. Free memory was 87.8MB in the beginning and 82.4MB in the end (delta: 5.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-04 06:55:09,446 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 201.3MB. Free memory is still 119.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 204.91ms. Allocated memory is still 167.8MB. Free memory was 121.1MB in the beginning and 109.3MB in the end (delta: 11.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 28.06ms. Allocated memory is still 167.8MB. Free memory was 109.3MB in the beginning and 108.1MB in the end (delta: 1.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 28.62ms. Allocated memory is still 167.8MB. Free memory was 108.1MB in the beginning and 107.2MB in the end (delta: 838.5kB). There was no memory consumed. Max. memory is 16.1GB. * IcfgBuilder took 448.86ms. Allocated memory is still 167.8MB. Free memory was 107.2MB in the beginning and 78.3MB in the end (delta: 28.9MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * TraceAbstraction took 1513.84ms. Allocated memory is still 167.8MB. Free memory was 77.9MB in the beginning and 87.8MB in the end (delta: -9.9MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 63.26ms. Allocated memory is still 167.8MB. Free memory was 87.8MB in the beginning and 82.4MB in the end (delta: 5.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 42]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 42]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 46]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 47]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 47]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 48]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 48]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 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: 61]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 65]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 65]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 68]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 68]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 71]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 81]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 82]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 83]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 83]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 84]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 84]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 86]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 86]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 94]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 94]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 94]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 171 locations, 43 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: 1.4s, OverallIterations: 9, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 129 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 42 mSDsluCounter, 27 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 27 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 308 IncrementalHoareTripleChecker+Invalid, 335 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 27 mSolverCounterUnsat, 27 mSDtfsCounter, 308 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 18 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=258occurred in iteration=0, InterpolantAutomatonStates: 27, 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, 0.3s InterpolantComputationTime, 439 NumberOfCodeBlocks, 439 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 430 ConstructedInterpolants, 0 QuantifiedInterpolants, 448 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 9 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 26 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2025-03-04 06:55:09,464 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE