./Ultimate.py --spec ../sv-benchmarks/c/properties/no-data-race.prp --file ../sv-benchmarks/c/weaver/parallel-misc-3.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version e2fb8bed Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/weaver/parallel-misc-3.wvr.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash b2ed7b18db6948b1f53058568aeeb46b9da6de135bdadf46ddc91e86240dfa66 --- Real Ultimate output --- This is Ultimate 0.3.0-?-e2fb8be-m [2025-03-08 22:06:30,740 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-08 22:06:30,781 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2025-03-08 22:06:30,784 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-08 22:06:30,784 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-08 22:06:30,808 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-08 22:06:30,808 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-08 22:06:30,809 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-08 22:06:30,809 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-08 22:06:30,809 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-08 22:06:30,809 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-08 22:06:30,809 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-08 22:06:30,809 INFO L153 SettingsManager]: * Use SBE=true [2025-03-08 22:06:30,809 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-08 22:06:30,809 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-08 22:06:30,809 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-08 22:06:30,809 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-08 22:06:30,809 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-08 22:06:30,809 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-08 22:06:30,809 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-08 22:06:30,810 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-08 22:06:30,810 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-08 22:06:30,810 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2025-03-08 22:06:30,810 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-03-08 22:06:30,810 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-08 22:06:30,810 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-08 22:06:30,810 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-08 22:06:30,810 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-08 22:06:30,810 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-08 22:06:30,810 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-08 22:06:30,810 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-08 22:06:30,810 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-08 22:06:30,810 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-08 22:06:30,810 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-08 22:06:30,810 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-08 22:06:30,810 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-08 22:06:30,810 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-08 22:06:30,810 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-08 22:06:30,810 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-08 22:06:30,810 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-08 22:06:30,811 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-08 22:06:30,811 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-08 22:06:30,811 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 -> b2ed7b18db6948b1f53058568aeeb46b9da6de135bdadf46ddc91e86240dfa66 [2025-03-08 22:06:31,045 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-08 22:06:31,053 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-08 22:06:31,055 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-08 22:06:31,056 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-08 22:06:31,056 INFO L274 PluginConnector]: CDTParser initialized [2025-03-08 22:06:31,057 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/weaver/parallel-misc-3.wvr.c [2025-03-08 22:06:32,199 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/76d48be9f/62fc172e4ca041f39f724a9cc8cf7af9/FLAG38cdad270 [2025-03-08 22:06:32,397 INFO L384 CDTParser]: Found 1 translation units. [2025-03-08 22:06:32,398 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/parallel-misc-3.wvr.c [2025-03-08 22:06:32,405 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/76d48be9f/62fc172e4ca041f39f724a9cc8cf7af9/FLAG38cdad270 [2025-03-08 22:06:32,420 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/76d48be9f/62fc172e4ca041f39f724a9cc8cf7af9 [2025-03-08 22:06:32,423 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-08 22:06:32,424 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-08 22:06:32,426 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-08 22:06:32,426 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-08 22:06:32,431 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-08 22:06:32,431 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.03 10:06:32" (1/1) ... [2025-03-08 22:06:32,450 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@659b9ad3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 10:06:32, skipping insertion in model container [2025-03-08 22:06:32,450 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.03 10:06:32" (1/1) ... [2025-03-08 22:06:32,476 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-08 22:06:32,603 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-08 22:06:32,610 INFO L200 MainTranslator]: Completed pre-run [2025-03-08 22:06:32,621 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-08 22:06:32,631 INFO L204 MainTranslator]: Completed translation [2025-03-08 22:06:32,631 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 10:06:32 WrapperNode [2025-03-08 22:06:32,631 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-08 22:06:32,632 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-08 22:06:32,632 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-08 22:06:32,632 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-08 22:06:32,636 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 10:06:32" (1/1) ... [2025-03-08 22:06:32,640 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 10:06:32" (1/1) ... [2025-03-08 22:06:32,649 INFO L138 Inliner]: procedures = 18, calls = 10, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 58 [2025-03-08 22:06:32,649 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-08 22:06:32,650 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-08 22:06:32,650 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-08 22:06:32,650 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-08 22:06:32,654 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 10:06:32" (1/1) ... [2025-03-08 22:06:32,654 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 10:06:32" (1/1) ... [2025-03-08 22:06:32,656 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 10:06:32" (1/1) ... [2025-03-08 22:06:32,656 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 10:06:32" (1/1) ... [2025-03-08 22:06:32,658 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 10:06:32" (1/1) ... [2025-03-08 22:06:32,659 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 10:06:32" (1/1) ... [2025-03-08 22:06:32,660 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 10:06:32" (1/1) ... [2025-03-08 22:06:32,660 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 10:06:32" (1/1) ... [2025-03-08 22:06:32,661 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-08 22:06:32,663 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-08 22:06:32,663 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-08 22:06:32,663 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-08 22:06:32,664 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 10:06:32" (1/1) ... [2025-03-08 22:06:32,668 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-08 22:06:32,681 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-08 22:06:32,695 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-03-08 22:06:32,697 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-03-08 22:06:32,712 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-08 22:06:32,712 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2025-03-08 22:06:32,712 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2025-03-08 22:06:32,713 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2025-03-08 22:06:32,713 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2025-03-08 22:06:32,713 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2025-03-08 22:06:32,713 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-08 22:06:32,713 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-08 22:06:32,713 WARN L225 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2025-03-08 22:06:32,777 INFO L256 CfgBuilder]: Building ICFG [2025-03-08 22:06:32,778 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-08 22:06:32,970 INFO L303 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-03-08 22:06:32,970 INFO L307 CfgBuilder]: Performing block encoding [2025-03-08 22:06:32,990 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-08 22:06:32,991 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-08 22:06:32,991 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.03 10:06:32 BoogieIcfgContainer [2025-03-08 22:06:32,991 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-08 22:06:32,994 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-08 22:06:32,994 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-08 22:06:32,998 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-08 22:06:32,998 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.03 10:06:32" (1/3) ... [2025-03-08 22:06:32,998 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@64107904 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.03 10:06:32, skipping insertion in model container [2025-03-08 22:06:32,998 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 10:06:32" (2/3) ... [2025-03-08 22:06:33,000 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@64107904 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.03 10:06:32, skipping insertion in model container [2025-03-08 22:06:33,000 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.03 10:06:32" (3/3) ... [2025-03-08 22:06:33,001 INFO L128 eAbstractionObserver]: Analyzing ICFG parallel-misc-3.wvr.c [2025-03-08 22:06:33,011 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-08 22:06:33,014 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG parallel-misc-3.wvr.c that has 3 procedures, 147 locations, 1 initial locations, 2 loop locations, and 16 error locations. [2025-03-08 22:06:33,014 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-03-08 22:06:33,081 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2025-03-08 22:06:33,111 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 153 places, 157 transitions, 328 flow [2025-03-08 22:06:33,170 INFO L124 PetriNetUnfolderBase]: 11/155 cut-off events. [2025-03-08 22:06:33,172 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2025-03-08 22:06:33,177 INFO L83 FinitePrefix]: Finished finitePrefix Result has 164 conditions, 155 events. 11/155 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 285 event pairs, 0 based on Foata normal form. 0/128 useless extension candidates. Maximal degree in co-relation 96. Up to 4 conditions per place. [2025-03-08 22:06:33,178 INFO L82 GeneralOperation]: Start removeDead. Operand has 153 places, 157 transitions, 328 flow [2025-03-08 22:06:33,183 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 135 places, 138 transitions, 285 flow [2025-03-08 22:06:33,192 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-08 22:06:33,200 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@30260e25, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-08 22:06:33,200 INFO L334 AbstractCegarLoop]: Starting to check reachability of 30 error locations. [2025-03-08 22:06:33,204 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2025-03-08 22:06:33,204 INFO L124 PetriNetUnfolderBase]: 0/19 cut-off events. [2025-03-08 22:06:33,205 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-03-08 22:06:33,205 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-08 22:06:33,205 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 22:06:33,205 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thread1Err5ASSERT_VIOLATIONDATA_RACE, thread1Err4ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE (and 26 more)] === [2025-03-08 22:06:33,209 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 22:06:33,209 INFO L85 PathProgramCache]: Analyzing trace with hash 1403265356, now seen corresponding path program 1 times [2025-03-08 22:06:33,214 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 22:06:33,214 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1890263090] [2025-03-08 22:06:33,214 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 22:06:33,215 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 22:06:33,263 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 19 statements into 1 equivalence classes. [2025-03-08 22:06:33,270 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 19 of 19 statements. [2025-03-08 22:06:33,270 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 22:06:33,270 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 22:06:33,316 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-08 22:06:33,317 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 22:06:33,317 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1890263090] [2025-03-08 22:06:33,317 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1890263090] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 22:06:33,318 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 22:06:33,318 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-08 22:06:33,319 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [304151553] [2025-03-08 22:06:33,319 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 22:06:33,324 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 22:06:33,327 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 22:06:33,343 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 22:06:33,344 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 22:06:33,380 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 134 out of 157 [2025-03-08 22:06:33,383 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 135 places, 138 transitions, 285 flow. Second operand has 3 states, 3 states have (on average 135.33333333333334) internal successors, (406), 3 states have internal predecessors, (406), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-08 22:06:33,383 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-08 22:06:33,383 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 134 of 157 [2025-03-08 22:06:33,384 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-08 22:06:33,442 INFO L124 PetriNetUnfolderBase]: 38/244 cut-off events. [2025-03-08 22:06:33,442 INFO L125 PetriNetUnfolderBase]: For 20/20 co-relation queries the response was YES. [2025-03-08 22:06:33,444 INFO L83 FinitePrefix]: Finished finitePrefix Result has 321 conditions, 244 events. 38/244 cut-off events. For 20/20 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 824 event pairs, 13 based on Foata normal form. 13/211 useless extension candidates. Maximal degree in co-relation 251. Up to 52 conditions per place. [2025-03-08 22:06:33,446 INFO L140 encePairwiseOnDemand]: 152/157 looper letters, 14 selfloop transitions, 2 changer transitions 0/135 dead transitions. [2025-03-08 22:06:33,446 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 136 places, 135 transitions, 311 flow [2025-03-08 22:06:33,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-08 22:06:33,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-08 22:06:33,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 421 transitions. [2025-03-08 22:06:33,460 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8938428874734607 [2025-03-08 22:06:33,461 INFO L175 Difference]: Start difference. First operand has 135 places, 138 transitions, 285 flow. Second operand 3 states and 421 transitions. [2025-03-08 22:06:33,462 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 136 places, 135 transitions, 311 flow [2025-03-08 22:06:33,466 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 133 places, 135 transitions, 306 flow, removed 0 selfloop flow, removed 3 redundant places. [2025-03-08 22:06:33,469 INFO L231 Difference]: Finished difference. Result has 133 places, 135 transitions, 278 flow [2025-03-08 22:06:33,471 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=157, PETRI_DIFFERENCE_MINUEND_FLOW=274, PETRI_DIFFERENCE_MINUEND_PLACES=131, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=135, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=133, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=278, PETRI_PLACES=133, PETRI_TRANSITIONS=135} [2025-03-08 22:06:33,475 INFO L279 CegarLoopForPetriNet]: 135 programPoint places, -2 predicate places. [2025-03-08 22:06:33,476 INFO L471 AbstractCegarLoop]: Abstraction has has 133 places, 135 transitions, 278 flow [2025-03-08 22:06:33,476 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 135.33333333333334) internal successors, (406), 3 states have internal predecessors, (406), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-08 22:06:33,477 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-08 22:06:33,477 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 22:06:33,477 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-03-08 22:06:33,477 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err5ASSERT_VIOLATIONDATA_RACE, thread1Err4ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE (and 26 more)] === [2025-03-08 22:06:33,479 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 22:06:33,479 INFO L85 PathProgramCache]: Analyzing trace with hash 861243087, now seen corresponding path program 1 times [2025-03-08 22:06:33,479 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 22:06:33,479 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [317172286] [2025-03-08 22:06:33,479 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 22:06:33,479 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 22:06:33,485 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 24 statements into 1 equivalence classes. [2025-03-08 22:06:33,490 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 24 of 24 statements. [2025-03-08 22:06:33,494 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 22:06:33,494 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 22:06:33,521 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-08 22:06:33,522 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 22:06:33,522 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [317172286] [2025-03-08 22:06:33,522 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [317172286] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 22:06:33,522 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 22:06:33,522 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-08 22:06:33,522 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1594459622] [2025-03-08 22:06:33,522 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 22:06:33,523 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 22:06:33,523 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 22:06:33,524 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 22:06:33,524 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 22:06:33,548 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 134 out of 157 [2025-03-08 22:06:33,548 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 133 places, 135 transitions, 278 flow. Second operand has 3 states, 3 states have (on average 135.33333333333334) internal successors, (406), 3 states have internal predecessors, (406), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-08 22:06:33,549 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-08 22:06:33,549 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 134 of 157 [2025-03-08 22:06:33,549 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-08 22:06:33,601 INFO L124 PetriNetUnfolderBase]: 37/276 cut-off events. [2025-03-08 22:06:33,601 INFO L125 PetriNetUnfolderBase]: For 6/6 co-relation queries the response was YES. [2025-03-08 22:06:33,603 INFO L83 FinitePrefix]: Finished finitePrefix Result has 342 conditions, 276 events. 37/276 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 1076 event pairs, 17 based on Foata normal form. 0/224 useless extension candidates. Maximal degree in co-relation 316. Up to 53 conditions per place. [2025-03-08 22:06:33,605 INFO L140 encePairwiseOnDemand]: 154/157 looper letters, 14 selfloop transitions, 2 changer transitions 0/134 dead transitions. [2025-03-08 22:06:33,605 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 134 places, 134 transitions, 308 flow [2025-03-08 22:06:33,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-08 22:06:33,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-08 22:06:33,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 419 transitions. [2025-03-08 22:06:33,607 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8895966029723992 [2025-03-08 22:06:33,609 INFO L175 Difference]: Start difference. First operand has 133 places, 135 transitions, 278 flow. Second operand 3 states and 419 transitions. [2025-03-08 22:06:33,610 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 134 places, 134 transitions, 308 flow [2025-03-08 22:06:33,611 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 132 places, 134 transitions, 304 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-03-08 22:06:33,612 INFO L231 Difference]: Finished difference. Result has 132 places, 134 transitions, 276 flow [2025-03-08 22:06:33,613 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=157, PETRI_DIFFERENCE_MINUEND_FLOW=272, PETRI_DIFFERENCE_MINUEND_PLACES=130, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=134, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=132, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=276, PETRI_PLACES=132, PETRI_TRANSITIONS=134} [2025-03-08 22:06:33,614 INFO L279 CegarLoopForPetriNet]: 135 programPoint places, -3 predicate places. [2025-03-08 22:06:33,614 INFO L471 AbstractCegarLoop]: Abstraction has has 132 places, 134 transitions, 276 flow [2025-03-08 22:06:33,614 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 135.33333333333334) internal successors, (406), 3 states have internal predecessors, (406), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-08 22:06:33,614 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-08 22:06:33,614 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 22:06:33,614 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-03-08 22:06:33,614 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err5ASSERT_VIOLATIONDATA_RACE, thread1Err4ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE (and 26 more)] === [2025-03-08 22:06:33,615 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 22:06:33,615 INFO L85 PathProgramCache]: Analyzing trace with hash -1285028490, now seen corresponding path program 1 times [2025-03-08 22:06:33,616 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 22:06:33,616 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1304474353] [2025-03-08 22:06:33,616 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 22:06:33,616 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 22:06:33,621 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 29 statements into 1 equivalence classes. [2025-03-08 22:06:33,626 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 29 of 29 statements. [2025-03-08 22:06:33,626 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 22:06:33,627 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 22:06:33,676 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-08 22:06:33,676 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 22:06:33,676 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1304474353] [2025-03-08 22:06:33,676 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1304474353] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 22:06:33,676 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 22:06:33,676 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-08 22:06:33,677 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [986065896] [2025-03-08 22:06:33,677 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 22:06:33,677 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 22:06:33,677 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 22:06:33,678 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 22:06:33,679 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 22:06:33,699 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 136 out of 157 [2025-03-08 22:06:33,699 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 132 places, 134 transitions, 276 flow. Second operand has 3 states, 3 states have (on average 137.33333333333334) internal successors, (412), 3 states have internal predecessors, (412), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-08 22:06:33,700 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-08 22:06:33,700 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 136 of 157 [2025-03-08 22:06:33,700 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-08 22:06:33,735 INFO L124 PetriNetUnfolderBase]: 30/234 cut-off events. [2025-03-08 22:06:33,735 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2025-03-08 22:06:33,736 INFO L83 FinitePrefix]: Finished finitePrefix Result has 289 conditions, 234 events. 30/234 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 753 event pairs, 9 based on Foata normal form. 0/190 useless extension candidates. Maximal degree in co-relation 258. Up to 38 conditions per place. [2025-03-08 22:06:33,738 INFO L140 encePairwiseOnDemand]: 154/157 looper letters, 12 selfloop transitions, 2 changer transitions 0/133 dead transitions. [2025-03-08 22:06:33,738 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 133 places, 133 transitions, 302 flow [2025-03-08 22:06:33,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-08 22:06:33,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-08 22:06:33,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 423 transitions. [2025-03-08 22:06:33,740 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8980891719745223 [2025-03-08 22:06:33,740 INFO L175 Difference]: Start difference. First operand has 132 places, 134 transitions, 276 flow. Second operand 3 states and 423 transitions. [2025-03-08 22:06:33,740 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 133 places, 133 transitions, 302 flow [2025-03-08 22:06:33,741 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 131 places, 133 transitions, 298 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-03-08 22:06:33,745 INFO L231 Difference]: Finished difference. Result has 131 places, 133 transitions, 274 flow [2025-03-08 22:06:33,745 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=157, PETRI_DIFFERENCE_MINUEND_FLOW=270, PETRI_DIFFERENCE_MINUEND_PLACES=129, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=133, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=131, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=274, PETRI_PLACES=131, PETRI_TRANSITIONS=133} [2025-03-08 22:06:33,745 INFO L279 CegarLoopForPetriNet]: 135 programPoint places, -4 predicate places. [2025-03-08 22:06:33,747 INFO L471 AbstractCegarLoop]: Abstraction has has 131 places, 133 transitions, 274 flow [2025-03-08 22:06:33,747 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 137.33333333333334) internal successors, (412), 3 states have internal predecessors, (412), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-08 22:06:33,747 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-08 22:06:33,747 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 22:06:33,747 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-03-08 22:06:33,748 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err5ASSERT_VIOLATIONDATA_RACE, thread1Err4ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE (and 26 more)] === [2025-03-08 22:06:33,748 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 22:06:33,748 INFO L85 PathProgramCache]: Analyzing trace with hash -2019845098, now seen corresponding path program 1 times [2025-03-08 22:06:33,748 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 22:06:33,748 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1003499874] [2025-03-08 22:06:33,748 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 22:06:33,748 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 22:06:33,754 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 34 statements into 1 equivalence classes. [2025-03-08 22:06:33,756 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 34 of 34 statements. [2025-03-08 22:06:33,757 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 22:06:33,757 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 22:06:33,789 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-08 22:06:33,789 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 22:06:33,789 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1003499874] [2025-03-08 22:06:33,789 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1003499874] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 22:06:33,789 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 22:06:33,789 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-08 22:06:33,789 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1174058690] [2025-03-08 22:06:33,789 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 22:06:33,790 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 22:06:33,790 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 22:06:33,790 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 22:06:33,790 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 22:06:33,811 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 136 out of 157 [2025-03-08 22:06:33,812 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 131 places, 133 transitions, 274 flow. Second operand has 3 states, 3 states have (on average 137.33333333333334) internal successors, (412), 3 states have internal predecessors, (412), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-08 22:06:33,812 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-08 22:06:33,812 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 136 of 157 [2025-03-08 22:06:33,812 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-08 22:06:33,845 INFO L124 PetriNetUnfolderBase]: 31/272 cut-off events. [2025-03-08 22:06:33,845 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2025-03-08 22:06:33,847 INFO L83 FinitePrefix]: Finished finitePrefix Result has 324 conditions, 272 events. 31/272 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 1015 event pairs, 11 based on Foata normal form. 0/220 useless extension candidates. Maximal degree in co-relation 288. Up to 39 conditions per place. [2025-03-08 22:06:33,848 INFO L140 encePairwiseOnDemand]: 154/157 looper letters, 12 selfloop transitions, 2 changer transitions 0/132 dead transitions. [2025-03-08 22:06:33,848 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 132 places, 132 transitions, 300 flow [2025-03-08 22:06:33,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-08 22:06:33,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-08 22:06:33,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 423 transitions. [2025-03-08 22:06:33,850 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8980891719745223 [2025-03-08 22:06:33,851 INFO L175 Difference]: Start difference. First operand has 131 places, 133 transitions, 274 flow. Second operand 3 states and 423 transitions. [2025-03-08 22:06:33,851 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 132 places, 132 transitions, 300 flow [2025-03-08 22:06:33,851 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 130 places, 132 transitions, 296 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-03-08 22:06:33,853 INFO L231 Difference]: Finished difference. Result has 130 places, 132 transitions, 272 flow [2025-03-08 22:06:33,853 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=157, PETRI_DIFFERENCE_MINUEND_FLOW=268, PETRI_DIFFERENCE_MINUEND_PLACES=128, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=132, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=130, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=272, PETRI_PLACES=130, PETRI_TRANSITIONS=132} [2025-03-08 22:06:33,854 INFO L279 CegarLoopForPetriNet]: 135 programPoint places, -5 predicate places. [2025-03-08 22:06:33,854 INFO L471 AbstractCegarLoop]: Abstraction has has 130 places, 132 transitions, 272 flow [2025-03-08 22:06:33,854 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 137.33333333333334) internal successors, (412), 3 states have internal predecessors, (412), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-08 22:06:33,855 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-08 22:06:33,855 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] [2025-03-08 22:06:33,855 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-03-08 22:06:33,855 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting thread1Err5ASSERT_VIOLATIONDATA_RACE === [thread1Err5ASSERT_VIOLATIONDATA_RACE, thread1Err4ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE (and 26 more)] === [2025-03-08 22:06:33,856 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 22:06:33,856 INFO L85 PathProgramCache]: Analyzing trace with hash 1148334960, now seen corresponding path program 1 times [2025-03-08 22:06:33,856 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 22:06:33,857 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1664401874] [2025-03-08 22:06:33,857 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 22:06:33,857 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 22:06:33,863 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 42 statements into 1 equivalence classes. [2025-03-08 22:06:33,870 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 42 of 42 statements. [2025-03-08 22:06:33,870 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 22:06:33,870 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 22:06:33,900 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-08 22:06:33,900 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 22:06:33,900 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1664401874] [2025-03-08 22:06:33,900 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1664401874] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 22:06:33,900 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 22:06:33,900 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-08 22:06:33,900 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [467529214] [2025-03-08 22:06:33,900 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 22:06:33,901 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 22:06:33,901 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 22:06:33,902 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 22:06:33,902 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 22:06:33,911 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 140 out of 157 [2025-03-08 22:06:33,912 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 130 places, 132 transitions, 272 flow. Second operand has 3 states, 3 states have (on average 141.33333333333334) internal successors, (424), 3 states have internal predecessors, (424), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-08 22:06:33,912 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-08 22:06:33,912 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 140 of 157 [2025-03-08 22:06:33,912 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-08 22:06:33,947 INFO L124 PetriNetUnfolderBase]: 40/314 cut-off events. [2025-03-08 22:06:33,947 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2025-03-08 22:06:33,947 INFO L83 FinitePrefix]: Finished finitePrefix Result has 378 conditions, 314 events. 40/314 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 1043 event pairs, 7 based on Foata normal form. 0/249 useless extension candidates. Maximal degree in co-relation 337. Up to 33 conditions per place. [2025-03-08 22:06:33,948 INFO L140 encePairwiseOnDemand]: 154/157 looper letters, 13 selfloop transitions, 2 changer transitions 0/135 dead transitions. [2025-03-08 22:06:33,948 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 131 places, 135 transitions, 310 flow [2025-03-08 22:06:33,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-08 22:06:33,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-08 22:06:33,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 436 transitions. [2025-03-08 22:06:33,950 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9256900212314225 [2025-03-08 22:06:33,950 INFO L175 Difference]: Start difference. First operand has 130 places, 132 transitions, 272 flow. Second operand 3 states and 436 transitions. [2025-03-08 22:06:33,950 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 131 places, 135 transitions, 310 flow [2025-03-08 22:06:33,951 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 129 places, 135 transitions, 306 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-03-08 22:06:33,953 INFO L231 Difference]: Finished difference. Result has 130 places, 132 transitions, 276 flow [2025-03-08 22:06:33,953 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=157, PETRI_DIFFERENCE_MINUEND_FLOW=266, PETRI_DIFFERENCE_MINUEND_PLACES=127, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=131, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=129, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=276, PETRI_PLACES=130, PETRI_TRANSITIONS=132} [2025-03-08 22:06:33,955 INFO L279 CegarLoopForPetriNet]: 135 programPoint places, -5 predicate places. [2025-03-08 22:06:33,955 INFO L471 AbstractCegarLoop]: Abstraction has has 130 places, 132 transitions, 276 flow [2025-03-08 22:06:33,955 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 141.33333333333334) internal successors, (424), 3 states have internal predecessors, (424), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-08 22:06:33,955 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-08 22:06:33,955 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] [2025-03-08 22:06:33,956 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-03-08 22:06:33,956 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting thread1Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err5ASSERT_VIOLATIONDATA_RACE, thread1Err4ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE (and 26 more)] === [2025-03-08 22:06:33,956 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 22:06:33,956 INFO L85 PathProgramCache]: Analyzing trace with hash 632577724, now seen corresponding path program 1 times [2025-03-08 22:06:33,956 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 22:06:33,956 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1506619299] [2025-03-08 22:06:33,956 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 22:06:33,956 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 22:06:33,964 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 45 statements into 1 equivalence classes. [2025-03-08 22:06:33,969 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 45 of 45 statements. [2025-03-08 22:06:33,969 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 22:06:33,969 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 22:06:33,993 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-08 22:06:33,993 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 22:06:33,993 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1506619299] [2025-03-08 22:06:33,993 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1506619299] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 22:06:33,993 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 22:06:33,993 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-08 22:06:33,993 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1094896874] [2025-03-08 22:06:33,993 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 22:06:33,993 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 22:06:33,993 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 22:06:33,994 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 22:06:33,994 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 22:06:34,012 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 134 out of 157 [2025-03-08 22:06:34,012 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 130 places, 132 transitions, 276 flow. Second operand has 3 states, 3 states have (on average 135.33333333333334) internal successors, (406), 3 states have internal predecessors, (406), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-08 22:06:34,012 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-08 22:06:34,012 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 134 of 157 [2025-03-08 22:06:34,012 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-08 22:06:34,049 INFO L124 PetriNetUnfolderBase]: 47/250 cut-off events. [2025-03-08 22:06:34,049 INFO L125 PetriNetUnfolderBase]: For 7/7 co-relation queries the response was YES. [2025-03-08 22:06:34,049 INFO L83 FinitePrefix]: Finished finitePrefix Result has 358 conditions, 250 events. 47/250 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 901 event pairs, 3 based on Foata normal form. 0/219 useless extension candidates. Maximal degree in co-relation 285. Up to 55 conditions per place. [2025-03-08 22:06:34,050 INFO L140 encePairwiseOnDemand]: 151/157 looper letters, 17 selfloop transitions, 3 changer transitions 0/134 dead transitions. [2025-03-08 22:06:34,050 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 129 places, 134 transitions, 323 flow [2025-03-08 22:06:34,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-08 22:06:34,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-08 22:06:34,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 425 transitions. [2025-03-08 22:06:34,051 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9023354564755839 [2025-03-08 22:06:34,051 INFO L175 Difference]: Start difference. First operand has 130 places, 132 transitions, 276 flow. Second operand 3 states and 425 transitions. [2025-03-08 22:06:34,051 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 129 places, 134 transitions, 323 flow [2025-03-08 22:06:34,052 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 128 places, 134 transitions, 321 flow, removed 0 selfloop flow, removed 1 redundant places. [2025-03-08 22:06:34,053 INFO L231 Difference]: Finished difference. Result has 129 places, 130 transitions, 281 flow [2025-03-08 22:06:34,056 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=157, PETRI_DIFFERENCE_MINUEND_FLOW=268, PETRI_DIFFERENCE_MINUEND_PLACES=126, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=129, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=126, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=281, PETRI_PLACES=129, PETRI_TRANSITIONS=130} [2025-03-08 22:06:34,056 INFO L279 CegarLoopForPetriNet]: 135 programPoint places, -6 predicate places. [2025-03-08 22:06:34,056 INFO L471 AbstractCegarLoop]: Abstraction has has 129 places, 130 transitions, 281 flow [2025-03-08 22:06:34,057 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 135.33333333333334) internal successors, (406), 3 states have internal predecessors, (406), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-08 22:06:34,057 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-08 22:06:34,057 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 22:06:34,057 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2025-03-08 22:06:34,057 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting thread2Err5ASSERT_VIOLATIONDATA_RACE === [thread1Err5ASSERT_VIOLATIONDATA_RACE, thread1Err4ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE (and 26 more)] === [2025-03-08 22:06:34,057 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 22:06:34,057 INFO L85 PathProgramCache]: Analyzing trace with hash -76965083, now seen corresponding path program 1 times [2025-03-08 22:06:34,057 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 22:06:34,057 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1028887860] [2025-03-08 22:06:34,057 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 22:06:34,057 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 22:06:34,065 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 48 statements into 1 equivalence classes. [2025-03-08 22:06:34,068 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 48 of 48 statements. [2025-03-08 22:06:34,068 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 22:06:34,068 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 22:06:34,098 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-08 22:06:34,098 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 22:06:34,098 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1028887860] [2025-03-08 22:06:34,098 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1028887860] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 22:06:34,098 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 22:06:34,098 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-08 22:06:34,098 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [838075902] [2025-03-08 22:06:34,098 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 22:06:34,098 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 22:06:34,099 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 22:06:34,099 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 22:06:34,099 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 22:06:34,112 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 140 out of 157 [2025-03-08 22:06:34,112 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 129 places, 130 transitions, 281 flow. Second operand has 3 states, 3 states have (on average 141.66666666666666) internal successors, (425), 3 states have internal predecessors, (425), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-08 22:06:34,112 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-08 22:06:34,112 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 140 of 157 [2025-03-08 22:06:34,112 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-08 22:06:34,158 INFO L124 PetriNetUnfolderBase]: 42/325 cut-off events. [2025-03-08 22:06:34,158 INFO L125 PetriNetUnfolderBase]: For 11/12 co-relation queries the response was YES. [2025-03-08 22:06:34,159 INFO L83 FinitePrefix]: Finished finitePrefix Result has 405 conditions, 325 events. 42/325 cut-off events. For 11/12 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 1347 event pairs, 6 based on Foata normal form. 0/269 useless extension candidates. Maximal degree in co-relation 282. Up to 39 conditions per place. [2025-03-08 22:06:34,160 INFO L140 encePairwiseOnDemand]: 154/157 looper letters, 13 selfloop transitions, 2 changer transitions 0/133 dead transitions. [2025-03-08 22:06:34,160 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 130 places, 133 transitions, 318 flow [2025-03-08 22:06:34,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-08 22:06:34,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-08 22:06:34,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 436 transitions. [2025-03-08 22:06:34,162 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9256900212314225 [2025-03-08 22:06:34,162 INFO L175 Difference]: Start difference. First operand has 129 places, 130 transitions, 281 flow. Second operand 3 states and 436 transitions. [2025-03-08 22:06:34,162 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 130 places, 133 transitions, 318 flow [2025-03-08 22:06:34,163 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 129 places, 133 transitions, 315 flow, removed 0 selfloop flow, removed 1 redundant places. [2025-03-08 22:06:34,164 INFO L231 Difference]: Finished difference. Result has 130 places, 130 transitions, 286 flow [2025-03-08 22:06:34,164 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=157, PETRI_DIFFERENCE_MINUEND_FLOW=276, PETRI_DIFFERENCE_MINUEND_PLACES=127, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=129, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=127, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=286, PETRI_PLACES=130, PETRI_TRANSITIONS=130} [2025-03-08 22:06:34,165 INFO L279 CegarLoopForPetriNet]: 135 programPoint places, -5 predicate places. [2025-03-08 22:06:34,165 INFO L471 AbstractCegarLoop]: Abstraction has has 130 places, 130 transitions, 286 flow [2025-03-08 22:06:34,165 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 141.66666666666666) internal successors, (425), 3 states have internal predecessors, (425), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-08 22:06:34,165 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-08 22:06:34,165 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] [2025-03-08 22:06:34,165 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2025-03-08 22:06:34,165 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting thread2Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err5ASSERT_VIOLATIONDATA_RACE, thread1Err4ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE (and 26 more)] === [2025-03-08 22:06:34,166 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 22:06:34,166 INFO L85 PathProgramCache]: Analyzing trace with hash 646089107, now seen corresponding path program 1 times [2025-03-08 22:06:34,166 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 22:06:34,166 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1224878919] [2025-03-08 22:06:34,166 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 22:06:34,166 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 22:06:34,174 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 51 statements into 1 equivalence classes. [2025-03-08 22:06:34,177 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 51 of 51 statements. [2025-03-08 22:06:34,177 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 22:06:34,177 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 22:06:34,205 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-08 22:06:34,205 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 22:06:34,205 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1224878919] [2025-03-08 22:06:34,205 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1224878919] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 22:06:34,205 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 22:06:34,205 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-08 22:06:34,205 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1524057042] [2025-03-08 22:06:34,206 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 22:06:34,206 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 22:06:34,206 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 22:06:34,206 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 22:06:34,206 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 22:06:34,219 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 134 out of 157 [2025-03-08 22:06:34,220 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 130 places, 130 transitions, 286 flow. Second operand has 3 states, 3 states have (on average 135.66666666666666) internal successors, (407), 3 states have internal predecessors, (407), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-08 22:06:34,220 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-08 22:06:34,220 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 134 of 157 [2025-03-08 22:06:34,220 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-08 22:06:34,255 INFO L124 PetriNetUnfolderBase]: 58/344 cut-off events. [2025-03-08 22:06:34,255 INFO L125 PetriNetUnfolderBase]: For 23/24 co-relation queries the response was YES. [2025-03-08 22:06:34,256 INFO L83 FinitePrefix]: Finished finitePrefix Result has 483 conditions, 344 events. 58/344 cut-off events. For 23/24 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 1645 event pairs, 6 based on Foata normal form. 0/299 useless extension candidates. Maximal degree in co-relation 347. Up to 73 conditions per place. [2025-03-08 22:06:34,256 INFO L140 encePairwiseOnDemand]: 151/157 looper letters, 16 selfloop transitions, 3 changer transitions 0/131 dead transitions. [2025-03-08 22:06:34,256 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 129 places, 131 transitions, 327 flow [2025-03-08 22:06:34,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-08 22:06:34,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-08 22:06:34,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 424 transitions. [2025-03-08 22:06:34,258 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9002123142250531 [2025-03-08 22:06:34,258 INFO L175 Difference]: Start difference. First operand has 130 places, 130 transitions, 286 flow. Second operand 3 states and 424 transitions. [2025-03-08 22:06:34,258 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 129 places, 131 transitions, 327 flow [2025-03-08 22:06:34,258 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 128 places, 131 transitions, 325 flow, removed 0 selfloop flow, removed 1 redundant places. [2025-03-08 22:06:34,259 INFO L231 Difference]: Finished difference. Result has 129 places, 128 transitions, 291 flow [2025-03-08 22:06:34,260 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=157, PETRI_DIFFERENCE_MINUEND_FLOW=278, PETRI_DIFFERENCE_MINUEND_PLACES=126, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=127, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=124, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=291, PETRI_PLACES=129, PETRI_TRANSITIONS=128} [2025-03-08 22:06:34,260 INFO L279 CegarLoopForPetriNet]: 135 programPoint places, -6 predicate places. [2025-03-08 22:06:34,260 INFO L471 AbstractCegarLoop]: Abstraction has has 129 places, 128 transitions, 291 flow [2025-03-08 22:06:34,260 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 135.66666666666666) internal successors, (407), 3 states have internal predecessors, (407), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-08 22:06:34,260 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-08 22:06:34,260 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] [2025-03-08 22:06:34,260 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2025-03-08 22:06:34,260 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting thread1Err2ASSERT_VIOLATIONDATA_RACE === [thread1Err5ASSERT_VIOLATIONDATA_RACE, thread1Err4ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE (and 26 more)] === [2025-03-08 22:06:34,261 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 22:06:34,261 INFO L85 PathProgramCache]: Analyzing trace with hash -1725015366, now seen corresponding path program 1 times [2025-03-08 22:06:34,261 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 22:06:34,261 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [206378123] [2025-03-08 22:06:34,261 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 22:06:34,261 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 22:06:34,265 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 54 statements into 1 equivalence classes. [2025-03-08 22:06:34,270 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 54 of 54 statements. [2025-03-08 22:06:34,270 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 22:06:34,270 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 22:06:34,290 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-08 22:06:34,291 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 22:06:34,291 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [206378123] [2025-03-08 22:06:34,291 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [206378123] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 22:06:34,291 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 22:06:34,291 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-08 22:06:34,291 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1844568423] [2025-03-08 22:06:34,291 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 22:06:34,292 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 22:06:34,292 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 22:06:34,293 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 22:06:34,293 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 22:06:34,313 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 136 out of 157 [2025-03-08 22:06:34,313 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 129 places, 128 transitions, 291 flow. Second operand has 3 states, 3 states have (on average 138.66666666666666) internal successors, (416), 3 states have internal predecessors, (416), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-08 22:06:34,313 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-08 22:06:34,313 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 136 of 157 [2025-03-08 22:06:34,313 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-08 22:06:34,345 INFO L124 PetriNetUnfolderBase]: 47/251 cut-off events. [2025-03-08 22:06:34,345 INFO L125 PetriNetUnfolderBase]: For 11/11 co-relation queries the response was YES. [2025-03-08 22:06:34,347 INFO L83 FinitePrefix]: Finished finitePrefix Result has 380 conditions, 251 events. 47/251 cut-off events. For 11/11 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 909 event pairs, 16 based on Foata normal form. 0/225 useless extension candidates. Maximal degree in co-relation 270. Up to 59 conditions per place. [2025-03-08 22:06:34,347 INFO L140 encePairwiseOnDemand]: 154/157 looper letters, 17 selfloop transitions, 2 changer transitions 0/130 dead transitions. [2025-03-08 22:06:34,348 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 130 places, 130 transitions, 335 flow [2025-03-08 22:06:34,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-08 22:06:34,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-08 22:06:34,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 427 transitions. [2025-03-08 22:06:34,349 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9065817409766455 [2025-03-08 22:06:34,349 INFO L175 Difference]: Start difference. First operand has 129 places, 128 transitions, 291 flow. Second operand 3 states and 427 transitions. [2025-03-08 22:06:34,349 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 130 places, 130 transitions, 335 flow [2025-03-08 22:06:34,350 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 129 places, 130 transitions, 332 flow, removed 0 selfloop flow, removed 1 redundant places. [2025-03-08 22:06:34,351 INFO L231 Difference]: Finished difference. Result has 129 places, 127 transitions, 290 flow [2025-03-08 22:06:34,351 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=157, PETRI_DIFFERENCE_MINUEND_FLOW=286, PETRI_DIFFERENCE_MINUEND_PLACES=127, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=127, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=125, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=290, PETRI_PLACES=129, PETRI_TRANSITIONS=127} [2025-03-08 22:06:34,352 INFO L279 CegarLoopForPetriNet]: 135 programPoint places, -6 predicate places. [2025-03-08 22:06:34,352 INFO L471 AbstractCegarLoop]: Abstraction has has 129 places, 127 transitions, 290 flow [2025-03-08 22:06:34,352 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 138.66666666666666) internal successors, (416), 3 states have internal predecessors, (416), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-08 22:06:34,352 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-08 22:06:34,353 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] [2025-03-08 22:06:34,353 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2025-03-08 22:06:34,353 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting thread2Err2ASSERT_VIOLATIONDATA_RACE === [thread1Err5ASSERT_VIOLATIONDATA_RACE, thread1Err4ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE (and 26 more)] === [2025-03-08 22:06:34,354 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 22:06:34,354 INFO L85 PathProgramCache]: Analyzing trace with hash 2015660408, now seen corresponding path program 1 times [2025-03-08 22:06:34,354 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 22:06:34,354 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [14200546] [2025-03-08 22:06:34,354 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 22:06:34,354 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 22:06:34,360 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 59 statements into 1 equivalence classes. [2025-03-08 22:06:34,367 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 59 of 59 statements. [2025-03-08 22:06:34,367 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 22:06:34,367 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 22:06:34,383 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-08 22:06:34,383 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 22:06:34,383 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [14200546] [2025-03-08 22:06:34,383 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [14200546] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 22:06:34,383 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 22:06:34,384 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-08 22:06:34,384 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1438892712] [2025-03-08 22:06:34,384 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 22:06:34,384 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 22:06:34,385 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 22:06:34,385 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 22:06:34,385 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 22:06:34,402 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 136 out of 157 [2025-03-08 22:06:34,403 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 129 places, 127 transitions, 290 flow. Second operand has 3 states, 3 states have (on average 139.0) internal successors, (417), 3 states have internal predecessors, (417), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-08 22:06:34,403 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-08 22:06:34,403 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 136 of 157 [2025-03-08 22:06:34,403 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-08 22:06:34,435 INFO L124 PetriNetUnfolderBase]: 58/338 cut-off events. [2025-03-08 22:06:34,435 INFO L125 PetriNetUnfolderBase]: For 29/30 co-relation queries the response was YES. [2025-03-08 22:06:34,436 INFO L83 FinitePrefix]: Finished finitePrefix Result has 493 conditions, 338 events. 58/338 cut-off events. For 29/30 co-relation queries the response was YES. Maximal size of possible extension queue 25. Compared 1598 event pairs, 26 based on Foata normal form. 0/300 useless extension candidates. Maximal degree in co-relation 379. Up to 76 conditions per place. [2025-03-08 22:06:34,437 INFO L140 encePairwiseOnDemand]: 154/157 looper letters, 17 selfloop transitions, 2 changer transitions 0/129 dead transitions. [2025-03-08 22:06:34,437 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 130 places, 129 transitions, 333 flow [2025-03-08 22:06:34,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-08 22:06:34,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-08 22:06:34,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 427 transitions. [2025-03-08 22:06:34,438 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9065817409766455 [2025-03-08 22:06:34,438 INFO L175 Difference]: Start difference. First operand has 129 places, 127 transitions, 290 flow. Second operand 3 states and 427 transitions. [2025-03-08 22:06:34,438 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 130 places, 129 transitions, 333 flow [2025-03-08 22:06:34,439 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 128 places, 129 transitions, 329 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-03-08 22:06:34,440 INFO L231 Difference]: Finished difference. Result has 128 places, 126 transitions, 288 flow [2025-03-08 22:06:34,440 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=157, PETRI_DIFFERENCE_MINUEND_FLOW=284, PETRI_DIFFERENCE_MINUEND_PLACES=126, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=126, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=124, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=288, PETRI_PLACES=128, PETRI_TRANSITIONS=126} [2025-03-08 22:06:34,441 INFO L279 CegarLoopForPetriNet]: 135 programPoint places, -7 predicate places. [2025-03-08 22:06:34,441 INFO L471 AbstractCegarLoop]: Abstraction has has 128 places, 126 transitions, 288 flow [2025-03-08 22:06:34,441 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 139.0) internal successors, (417), 3 states have internal predecessors, (417), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-08 22:06:34,441 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-08 22:06:34,441 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 22:06:34,441 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2025-03-08 22:06:34,442 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting thread1Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err5ASSERT_VIOLATIONDATA_RACE, thread1Err4ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE (and 26 more)] === [2025-03-08 22:06:34,442 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 22:06:34,442 INFO L85 PathProgramCache]: Analyzing trace with hash 890982146, now seen corresponding path program 1 times [2025-03-08 22:06:34,442 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 22:06:34,442 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [707493997] [2025-03-08 22:06:34,442 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 22:06:34,442 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 22:06:34,446 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 66 statements into 1 equivalence classes. [2025-03-08 22:06:34,449 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 66 of 66 statements. [2025-03-08 22:06:34,450 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 22:06:34,450 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 22:06:34,469 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-08 22:06:34,469 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 22:06:34,469 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [707493997] [2025-03-08 22:06:34,469 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [707493997] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 22:06:34,469 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 22:06:34,469 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-08 22:06:34,469 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [376510778] [2025-03-08 22:06:34,469 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 22:06:34,469 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 22:06:34,470 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 22:06:34,470 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 22:06:34,470 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 22:06:34,487 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 138 out of 157 [2025-03-08 22:06:34,488 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 128 places, 126 transitions, 288 flow. Second operand has 3 states, 3 states have (on average 140.33333333333334) internal successors, (421), 3 states have internal predecessors, (421), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-08 22:06:34,488 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-08 22:06:34,488 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 138 of 157 [2025-03-08 22:06:34,488 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-08 22:06:34,519 INFO L124 PetriNetUnfolderBase]: 44/256 cut-off events. [2025-03-08 22:06:34,519 INFO L125 PetriNetUnfolderBase]: For 11/11 co-relation queries the response was YES. [2025-03-08 22:06:34,520 INFO L83 FinitePrefix]: Finished finitePrefix Result has 380 conditions, 256 events. 44/256 cut-off events. For 11/11 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 944 event pairs, 14 based on Foata normal form. 0/232 useless extension candidates. Maximal degree in co-relation 338. Up to 53 conditions per place. [2025-03-08 22:06:34,521 INFO L140 encePairwiseOnDemand]: 154/157 looper letters, 15 selfloop transitions, 2 changer transitions 0/128 dead transitions. [2025-03-08 22:06:34,521 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 129 places, 128 transitions, 328 flow [2025-03-08 22:06:34,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-08 22:06:34,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-08 22:06:34,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 431 transitions. [2025-03-08 22:06:34,522 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9150743099787686 [2025-03-08 22:06:34,522 INFO L175 Difference]: Start difference. First operand has 128 places, 126 transitions, 288 flow. Second operand 3 states and 431 transitions. [2025-03-08 22:06:34,522 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 129 places, 128 transitions, 328 flow [2025-03-08 22:06:34,523 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 127 places, 128 transitions, 324 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-03-08 22:06:34,524 INFO L231 Difference]: Finished difference. Result has 127 places, 125 transitions, 286 flow [2025-03-08 22:06:34,524 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=157, PETRI_DIFFERENCE_MINUEND_FLOW=282, PETRI_DIFFERENCE_MINUEND_PLACES=125, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=125, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=123, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=286, PETRI_PLACES=127, PETRI_TRANSITIONS=125} [2025-03-08 22:06:34,525 INFO L279 CegarLoopForPetriNet]: 135 programPoint places, -8 predicate places. [2025-03-08 22:06:34,525 INFO L471 AbstractCegarLoop]: Abstraction has has 127 places, 125 transitions, 286 flow [2025-03-08 22:06:34,525 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 140.33333333333334) internal successors, (421), 3 states have internal predecessors, (421), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-08 22:06:34,525 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-08 22:06:34,525 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 22:06:34,525 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2025-03-08 22:06:34,525 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting thread2Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err5ASSERT_VIOLATIONDATA_RACE, thread1Err4ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE (and 26 more)] === [2025-03-08 22:06:34,526 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 22:06:34,526 INFO L85 PathProgramCache]: Analyzing trace with hash -30228416, now seen corresponding path program 1 times [2025-03-08 22:06:34,526 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 22:06:34,526 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [78916703] [2025-03-08 22:06:34,526 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 22:06:34,526 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 22:06:34,532 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 71 statements into 1 equivalence classes. [2025-03-08 22:06:34,539 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 71 of 71 statements. [2025-03-08 22:06:34,539 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 22:06:34,539 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 22:06:34,592 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-08 22:06:34,592 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 22:06:34,592 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [78916703] [2025-03-08 22:06:34,592 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [78916703] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 22:06:34,592 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 22:06:34,592 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-08 22:06:34,592 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [342540406] [2025-03-08 22:06:34,592 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 22:06:34,593 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 22:06:34,593 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 22:06:34,593 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 22:06:34,593 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 22:06:34,606 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 138 out of 157 [2025-03-08 22:06:34,607 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 127 places, 125 transitions, 286 flow. Second operand has 3 states, 3 states have (on average 140.66666666666666) internal successors, (422), 3 states have internal predecessors, (422), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-08 22:06:34,607 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-08 22:06:34,607 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 138 of 157 [2025-03-08 22:06:34,607 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-08 22:06:34,640 INFO L124 PetriNetUnfolderBase]: 54/343 cut-off events. [2025-03-08 22:06:34,640 INFO L125 PetriNetUnfolderBase]: For 27/28 co-relation queries the response was YES. [2025-03-08 22:06:34,641 INFO L83 FinitePrefix]: Finished finitePrefix Result has 491 conditions, 343 events. 54/343 cut-off events. For 27/28 co-relation queries the response was YES. Maximal size of possible extension queue 27. Compared 1600 event pairs, 22 based on Foata normal form. 0/309 useless extension candidates. Maximal degree in co-relation 476. Up to 67 conditions per place. [2025-03-08 22:06:34,641 INFO L140 encePairwiseOnDemand]: 154/157 looper letters, 0 selfloop transitions, 0 changer transitions 127/127 dead transitions. [2025-03-08 22:06:34,641 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 128 places, 127 transitions, 325 flow [2025-03-08 22:06:34,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-08 22:06:34,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-08 22:06:34,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 431 transitions. [2025-03-08 22:06:34,643 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9150743099787686 [2025-03-08 22:06:34,643 INFO L175 Difference]: Start difference. First operand has 127 places, 125 transitions, 286 flow. Second operand 3 states and 431 transitions. [2025-03-08 22:06:34,643 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 128 places, 127 transitions, 325 flow [2025-03-08 22:06:34,645 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 126 places, 127 transitions, 321 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-03-08 22:06:34,645 INFO L231 Difference]: Finished difference. Result has 126 places, 0 transitions, 0 flow [2025-03-08 22:06:34,645 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=157, PETRI_DIFFERENCE_MINUEND_FLOW=280, PETRI_DIFFERENCE_MINUEND_PLACES=124, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=124, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=124, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=126, PETRI_TRANSITIONS=0} [2025-03-08 22:06:34,647 INFO L279 CegarLoopForPetriNet]: 135 programPoint places, -9 predicate places. [2025-03-08 22:06:34,647 INFO L471 AbstractCegarLoop]: Abstraction has has 126 places, 0 transitions, 0 flow [2025-03-08 22:06:34,647 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 140.66666666666666) internal successors, (422), 3 states have internal predecessors, (422), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-08 22:06:34,650 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (29 of 30 remaining) [2025-03-08 22:06:34,650 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (28 of 30 remaining) [2025-03-08 22:06:34,650 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (27 of 30 remaining) [2025-03-08 22:06:34,650 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (26 of 30 remaining) [2025-03-08 22:06:34,650 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (25 of 30 remaining) [2025-03-08 22:06:34,650 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (24 of 30 remaining) [2025-03-08 22:06:34,650 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (23 of 30 remaining) [2025-03-08 22:06:34,651 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (22 of 30 remaining) [2025-03-08 22:06:34,651 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (21 of 30 remaining) [2025-03-08 22:06:34,651 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (20 of 30 remaining) [2025-03-08 22:06:34,651 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (19 of 30 remaining) [2025-03-08 22:06:34,651 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (18 of 30 remaining) [2025-03-08 22:06:34,651 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (17 of 30 remaining) [2025-03-08 22:06:34,651 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (16 of 30 remaining) [2025-03-08 22:06:34,651 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (15 of 30 remaining) [2025-03-08 22:06:34,651 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (14 of 30 remaining) [2025-03-08 22:06:34,651 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (13 of 30 remaining) [2025-03-08 22:06:34,651 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (12 of 30 remaining) [2025-03-08 22:06:34,651 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (11 of 30 remaining) [2025-03-08 22:06:34,651 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (10 of 30 remaining) [2025-03-08 22:06:34,651 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (9 of 30 remaining) [2025-03-08 22:06:34,651 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (8 of 30 remaining) [2025-03-08 22:06:34,651 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (7 of 30 remaining) [2025-03-08 22:06:34,651 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (6 of 30 remaining) [2025-03-08 22:06:34,651 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (5 of 30 remaining) [2025-03-08 22:06:34,651 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (4 of 30 remaining) [2025-03-08 22:06:34,651 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (3 of 30 remaining) [2025-03-08 22:06:34,651 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (2 of 30 remaining) [2025-03-08 22:06:34,651 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (1 of 30 remaining) [2025-03-08 22:06:34,651 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (0 of 30 remaining) [2025-03-08 22:06:34,651 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2025-03-08 22:06:34,652 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 22:06:34,655 INFO L241 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2025-03-08 22:06:34,655 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-03-08 22:06:34,660 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.03 10:06:34 BasicIcfg [2025-03-08 22:06:34,660 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-03-08 22:06:34,660 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-03-08 22:06:34,660 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-03-08 22:06:34,660 INFO L274 PluginConnector]: Witness Printer initialized [2025-03-08 22:06:34,661 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.03 10:06:32" (3/4) ... [2025-03-08 22:06:34,662 INFO L146 WitnessPrinter]: Generating witness for correct program [2025-03-08 22:06:34,664 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure thread1 [2025-03-08 22:06:34,664 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure thread2 [2025-03-08 22:06:34,667 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2025-03-08 22:06:34,667 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2025-03-08 22:06:34,667 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2025-03-08 22:06:34,667 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2025-03-08 22:06:34,718 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-03-08 22:06:34,718 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2025-03-08 22:06:34,719 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-03-08 22:06:34,719 INFO L158 Benchmark]: Toolchain (without parser) took 2294.97ms. Allocated memory was 511.7MB in the beginning and 167.8MB in the end (delta: -343.9MB). Free memory was 467.7MB in the beginning and 109.1MB in the end (delta: 358.6MB). Peak memory consumption was 9.7MB. Max. memory is 16.1GB. [2025-03-08 22:06:34,719 INFO L158 Benchmark]: CDTParser took 0.63ms. Allocated memory is still 201.3MB. Free memory is still 116.2MB. There was no memory consumed. Max. memory is 16.1GB. [2025-03-08 22:06:34,720 INFO L158 Benchmark]: CACSL2BoogieTranslator took 205.93ms. Allocated memory was 511.7MB in the beginning and 167.8MB in the end (delta: -343.9MB). Free memory was 467.7MB in the beginning and 111.9MB in the end (delta: 355.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-08 22:06:34,720 INFO L158 Benchmark]: Boogie Procedure Inliner took 17.56ms. Allocated memory is still 167.8MB. Free memory was 111.9MB in the beginning and 111.2MB in the end (delta: 750.4kB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-08 22:06:34,721 INFO L158 Benchmark]: Boogie Preprocessor took 11.61ms. Allocated memory is still 167.8MB. Free memory was 111.2MB in the beginning and 110.4MB in the end (delta: 764.3kB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-08 22:06:34,722 INFO L158 Benchmark]: IcfgBuilder took 328.10ms. Allocated memory is still 167.8MB. Free memory was 110.4MB in the beginning and 93.7MB in the end (delta: 16.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-03-08 22:06:34,722 INFO L158 Benchmark]: TraceAbstraction took 1665.85ms. Allocated memory is still 167.8MB. Free memory was 92.9MB in the beginning and 114.6MB in the end (delta: -21.7MB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-08 22:06:34,722 INFO L158 Benchmark]: Witness Printer took 58.23ms. Allocated memory is still 167.8MB. Free memory was 114.6MB in the beginning and 109.1MB in the end (delta: 5.6MB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-08 22:06:34,723 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.63ms. Allocated memory is still 201.3MB. Free memory is still 116.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 205.93ms. Allocated memory was 511.7MB in the beginning and 167.8MB in the end (delta: -343.9MB). Free memory was 467.7MB in the beginning and 111.9MB in the end (delta: 355.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 17.56ms. Allocated memory is still 167.8MB. Free memory was 111.9MB in the beginning and 111.2MB in the end (delta: 750.4kB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 11.61ms. Allocated memory is still 167.8MB. Free memory was 111.2MB in the beginning and 110.4MB in the end (delta: 764.3kB). There was no memory consumed. Max. memory is 16.1GB. * IcfgBuilder took 328.10ms. Allocated memory is still 167.8MB. Free memory was 110.4MB in the beginning and 93.7MB in the end (delta: 16.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 1665.85ms. Allocated memory is still 167.8MB. Free memory was 92.9MB in the beginning and 114.6MB in the end (delta: -21.7MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 58.23ms. Allocated memory is still 167.8MB. Free memory was 114.6MB in the beginning and 109.1MB in the end (delta: 5.6MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 40]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 41]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 46]: 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: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 58]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 59]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 65]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 79]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 80]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 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 - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 227 locations, 247 edges, 30 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: 1.5s, OverallIterations: 12, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 316 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 109 mSDsluCounter, 76 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 26 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 427 IncrementalHoareTripleChecker+Invalid, 453 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 26 mSolverCounterUnsat, 76 mSDtfsCounter, 427 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 24 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=291occurred in iteration=8, InterpolantAutomatonStates: 36, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 542 NumberOfCodeBlocks, 542 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 530 ConstructedInterpolants, 0 QuantifiedInterpolants, 554 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 12 InterpolantComputations, 12 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 16 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2025-03-08 22:06:34,738 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