./Ultimate.py --spec ../sv-benchmarks/c/properties/no-data-race.prp --file ../sv-benchmarks/c/weaver/popl20-queue-add-2.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 735b3cc8 Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/weaver/popl20-queue-add-2.wvr.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 8c3fe688d0e9a9929009fc24c8ef56c8fc1bfa15613131b287e178eb7d2f1f1e --- Real Ultimate output --- This is Ultimate 0.3.0-?-735b3cc-m [2025-03-14 01:45:58,677 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-14 01:45:58,733 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2025-03-14 01:45:58,737 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-14 01:45:58,737 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-14 01:45:58,754 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-14 01:45:58,754 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-14 01:45:58,754 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-14 01:45:58,754 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-14 01:45:58,754 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-14 01:45:58,755 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-14 01:45:58,755 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-14 01:45:58,755 INFO L153 SettingsManager]: * Use SBE=true [2025-03-14 01:45:58,755 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-14 01:45:58,755 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-14 01:45:58,755 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-14 01:45:58,755 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-14 01:45:58,755 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-14 01:45:58,755 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-14 01:45:58,755 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-14 01:45:58,755 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-14 01:45:58,755 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-14 01:45:58,755 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2025-03-14 01:45:58,755 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-03-14 01:45:58,755 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-14 01:45:58,756 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-14 01:45:58,756 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-14 01:45:58,756 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-14 01:45:58,756 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-14 01:45:58,756 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-14 01:45:58,756 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-14 01:45:58,756 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-14 01:45:58,756 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-14 01:45:58,756 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-14 01:45:58,756 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-14 01:45:58,756 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-14 01:45:58,756 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-14 01:45:58,756 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-14 01:45:58,756 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-14 01:45:58,756 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-14 01:45:58,756 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-14 01:45:58,756 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-14 01:45:58,756 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 -> 8c3fe688d0e9a9929009fc24c8ef56c8fc1bfa15613131b287e178eb7d2f1f1e [2025-03-14 01:45:58,997 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-14 01:45:59,006 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-14 01:45:59,008 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-14 01:45:59,009 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-14 01:45:59,009 INFO L274 PluginConnector]: CDTParser initialized [2025-03-14 01:45:59,010 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/weaver/popl20-queue-add-2.wvr.c [2025-03-14 01:46:00,143 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ed0cc2066/485678bf9b8944dfa01c63f9f3077cb1/FLAG80afd5275 [2025-03-14 01:46:00,382 INFO L384 CDTParser]: Found 1 translation units. [2025-03-14 01:46:00,382 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/popl20-queue-add-2.wvr.c [2025-03-14 01:46:00,399 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ed0cc2066/485678bf9b8944dfa01c63f9f3077cb1/FLAG80afd5275 [2025-03-14 01:46:00,708 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ed0cc2066/485678bf9b8944dfa01c63f9f3077cb1 [2025-03-14 01:46:00,710 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-14 01:46:00,711 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-14 01:46:00,712 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-14 01:46:00,712 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-14 01:46:00,715 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-14 01:46:00,715 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.03 01:46:00" (1/1) ... [2025-03-14 01:46:00,716 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7de33437 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.03 01:46:00, skipping insertion in model container [2025-03-14 01:46:00,716 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.03 01:46:00" (1/1) ... [2025-03-14 01:46:00,726 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-14 01:46:00,878 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-14 01:46:00,885 INFO L200 MainTranslator]: Completed pre-run [2025-03-14 01:46:00,916 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-14 01:46:00,928 INFO L204 MainTranslator]: Completed translation [2025-03-14 01:46:00,929 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.03 01:46:00 WrapperNode [2025-03-14 01:46:00,929 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-14 01:46:00,930 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-14 01:46:00,930 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-14 01:46:00,930 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-14 01:46:00,934 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.03 01:46:00" (1/1) ... [2025-03-14 01:46:00,945 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.03 01:46:00" (1/1) ... [2025-03-14 01:46:00,969 INFO L138 Inliner]: procedures = 23, calls = 30, calls flagged for inlining = 13, calls inlined = 13, statements flattened = 272 [2025-03-14 01:46:00,970 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-14 01:46:00,970 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-14 01:46:00,970 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-14 01:46:00,970 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-14 01:46:00,980 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.03 01:46:00" (1/1) ... [2025-03-14 01:46:00,981 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.03 01:46:00" (1/1) ... [2025-03-14 01:46:00,988 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.03 01:46:00" (1/1) ... [2025-03-14 01:46:00,989 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.03 01:46:00" (1/1) ... [2025-03-14 01:46:01,001 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.03 01:46:00" (1/1) ... [2025-03-14 01:46:01,004 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.03 01:46:00" (1/1) ... [2025-03-14 01:46:01,008 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.03 01:46:00" (1/1) ... [2025-03-14 01:46:01,009 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.03 01:46:00" (1/1) ... [2025-03-14 01:46:01,010 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-14 01:46:01,014 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-14 01:46:01,014 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-14 01:46:01,014 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-14 01:46:01,015 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.03 01:46:00" (1/1) ... [2025-03-14 01:46:01,023 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-14 01:46:01,032 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-14 01:46:01,047 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) [2025-03-14 01:46:01,049 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 [2025-03-14 01:46:01,067 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-14 01:46:01,067 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2025-03-14 01:46:01,068 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2025-03-14 01:46:01,068 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2025-03-14 01:46:01,068 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2025-03-14 01:46:01,068 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2025-03-14 01:46:01,068 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2025-03-14 01:46:01,068 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2025-03-14 01:46:01,068 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2025-03-14 01:46:01,068 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-03-14 01:46:01,068 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-14 01:46:01,069 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-14 01:46:01,069 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2025-03-14 01:46:01,070 WARN L225 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2025-03-14 01:46:01,154 INFO L256 CfgBuilder]: Building ICFG [2025-03-14 01:46:01,156 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-14 01:46:01,524 INFO L303 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-03-14 01:46:01,526 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-14 01:46:01,526 INFO L318 CfgBuilder]: Performing block encoding [2025-03-14 01:46:01,764 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-14 01:46:01,764 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 14.03 01:46:01 BoogieIcfgContainer [2025-03-14 01:46:01,764 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-14 01:46:01,767 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-14 01:46:01,767 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-14 01:46:01,770 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-14 01:46:01,771 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.03 01:46:00" (1/3) ... [2025-03-14 01:46:01,771 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d28bc46 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.03 01:46:01, skipping insertion in model container [2025-03-14 01:46:01,771 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.03 01:46:00" (2/3) ... [2025-03-14 01:46:01,771 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d28bc46 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.03 01:46:01, skipping insertion in model container [2025-03-14 01:46:01,771 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 14.03 01:46:01" (3/3) ... [2025-03-14 01:46:01,772 INFO L128 eAbstractionObserver]: Analyzing ICFG popl20-queue-add-2.wvr.c [2025-03-14 01:46:01,782 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-14 01:46:01,784 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG popl20-queue-add-2.wvr.c that has 3 procedures, 208 locations, 1 initial locations, 3 loop locations, and 40 error locations. [2025-03-14 01:46:01,785 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-03-14 01:46:01,851 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2025-03-14 01:46:01,881 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 214 places, 216 transitions, 446 flow [2025-03-14 01:46:01,933 INFO L124 PetriNetUnfolderBase]: 9/214 cut-off events. [2025-03-14 01:46:01,935 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2025-03-14 01:46:01,939 INFO L83 FinitePrefix]: Finished finitePrefix Result has 223 conditions, 214 events. 9/214 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 312 event pairs, 0 based on Foata normal form. 0/165 useless extension candidates. Maximal degree in co-relation 162. Up to 2 conditions per place. [2025-03-14 01:46:01,939 INFO L82 GeneralOperation]: Start removeDead. Operand has 214 places, 216 transitions, 446 flow [2025-03-14 01:46:01,944 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 196 places, 197 transitions, 406 flow [2025-03-14 01:46:01,952 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-14 01:46:01,962 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;@2db96d75, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-14 01:46:01,964 INFO L334 AbstractCegarLoop]: Starting to check reachability of 71 error locations. [2025-03-14 01:46:01,971 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2025-03-14 01:46:01,971 INFO L124 PetriNetUnfolderBase]: 0/22 cut-off events. [2025-03-14 01:46:01,971 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-03-14 01:46:01,971 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-14 01:46:01,972 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-14 01:46:01,972 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [thread1Err16ASSERT_VIOLATIONDATA_RACE, thread1Err7ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE, thread1Err5ASSERT_VIOLATIONDATA_RACE (and 67 more)] === [2025-03-14 01:46:01,976 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-14 01:46:01,976 INFO L85 PathProgramCache]: Analyzing trace with hash -312155020, now seen corresponding path program 1 times [2025-03-14 01:46:01,981 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-14 01:46:01,981 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1874315905] [2025-03-14 01:46:01,981 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-14 01:46:01,982 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-14 01:46:02,030 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 22 statements into 1 equivalence classes. [2025-03-14 01:46:02,041 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 22 of 22 statements. [2025-03-14 01:46:02,041 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-14 01:46:02,041 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-14 01:46:02,113 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-14 01:46:02,113 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-14 01:46:02,113 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1874315905] [2025-03-14 01:46:02,116 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1874315905] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-14 01:46:02,116 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-14 01:46:02,116 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-14 01:46:02,117 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1209836075] [2025-03-14 01:46:02,118 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-14 01:46:02,122 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-14 01:46:02,126 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-14 01:46:02,145 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-14 01:46:02,145 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-14 01:46:02,179 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 166 out of 216 [2025-03-14 01:46:02,181 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 196 places, 197 transitions, 406 flow. Second operand has 3 states, 3 states have (on average 167.33333333333334) internal successors, (502), 3 states have internal predecessors, (502), 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) [2025-03-14 01:46:02,184 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-14 01:46:02,184 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 166 of 216 [2025-03-14 01:46:02,186 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-14 01:46:02,258 INFO L124 PetriNetUnfolderBase]: 12/201 cut-off events. [2025-03-14 01:46:02,259 INFO L125 PetriNetUnfolderBase]: For 12/12 co-relation queries the response was YES. [2025-03-14 01:46:02,259 INFO L83 FinitePrefix]: Finished finitePrefix Result has 249 conditions, 201 events. 12/201 cut-off events. For 12/12 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 302 event pairs, 7 based on Foata normal form. 3/181 useless extension candidates. Maximal degree in co-relation 151. Up to 30 conditions per place. [2025-03-14 01:46:02,261 INFO L140 encePairwiseOnDemand]: 182/216 looper letters, 13 selfloop transitions, 2 changer transitions 3/165 dead transitions. [2025-03-14 01:46:02,262 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 171 places, 165 transitions, 372 flow [2025-03-14 01:46:02,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-14 01:46:02,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-14 01:46:02,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 545 transitions. [2025-03-14 01:46:02,274 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8410493827160493 [2025-03-14 01:46:02,275 INFO L175 Difference]: Start difference. First operand has 196 places, 197 transitions, 406 flow. Second operand 3 states and 545 transitions. [2025-03-14 01:46:02,276 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 171 places, 165 transitions, 372 flow [2025-03-14 01:46:02,279 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 167 places, 165 transitions, 364 flow, removed 0 selfloop flow, removed 4 redundant places. [2025-03-14 01:46:02,281 INFO L231 Difference]: Finished difference. Result has 167 places, 162 transitions, 332 flow [2025-03-14 01:46:02,283 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=216, PETRI_DIFFERENCE_MINUEND_FLOW=334, PETRI_DIFFERENCE_MINUEND_PLACES=165, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=165, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=163, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=332, PETRI_PLACES=167, PETRI_TRANSITIONS=162} [2025-03-14 01:46:02,285 INFO L279 CegarLoopForPetriNet]: 196 programPoint places, -29 predicate places. [2025-03-14 01:46:02,286 INFO L471 AbstractCegarLoop]: Abstraction has has 167 places, 162 transitions, 332 flow [2025-03-14 01:46:02,286 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 167.33333333333334) internal successors, (502), 3 states have internal predecessors, (502), 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) [2025-03-14 01:46:02,286 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-14 01:46:02,286 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-14 01:46:02,286 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-03-14 01:46:02,287 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [thread1Err16ASSERT_VIOLATIONDATA_RACE, thread1Err7ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE, thread1Err5ASSERT_VIOLATIONDATA_RACE (and 67 more)] === [2025-03-14 01:46:02,287 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-14 01:46:02,287 INFO L85 PathProgramCache]: Analyzing trace with hash -1137077711, now seen corresponding path program 1 times [2025-03-14 01:46:02,287 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-14 01:46:02,287 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [767936785] [2025-03-14 01:46:02,287 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-14 01:46:02,287 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-14 01:46:02,292 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 30 statements into 1 equivalence classes. [2025-03-14 01:46:02,296 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 30 of 30 statements. [2025-03-14 01:46:02,296 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-14 01:46:02,296 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-14 01:46:02,324 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-14 01:46:02,325 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-14 01:46:02,325 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [767936785] [2025-03-14 01:46:02,325 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [767936785] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-14 01:46:02,325 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-14 01:46:02,325 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-14 01:46:02,325 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2055763219] [2025-03-14 01:46:02,325 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-14 01:46:02,326 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-14 01:46:02,327 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-14 01:46:02,327 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-14 01:46:02,327 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-14 01:46:02,346 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 168 out of 216 [2025-03-14 01:46:02,347 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 167 places, 162 transitions, 332 flow. Second operand has 3 states, 3 states have (on average 169.33333333333334) internal successors, (508), 3 states have internal predecessors, (508), 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) [2025-03-14 01:46:02,348 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-14 01:46:02,348 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 168 of 216 [2025-03-14 01:46:02,348 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-14 01:46:02,412 INFO L124 PetriNetUnfolderBase]: 13/210 cut-off events. [2025-03-14 01:46:02,413 INFO L125 PetriNetUnfolderBase]: For 3/4 co-relation queries the response was YES. [2025-03-14 01:46:02,413 INFO L83 FinitePrefix]: Finished finitePrefix Result has 246 conditions, 210 events. 13/210 cut-off events. For 3/4 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 325 event pairs, 5 based on Foata normal form. 0/188 useless extension candidates. Maximal degree in co-relation 216. Up to 26 conditions per place. [2025-03-14 01:46:02,414 INFO L140 encePairwiseOnDemand]: 213/216 looper letters, 11 selfloop transitions, 2 changer transitions 0/161 dead transitions. [2025-03-14 01:46:02,414 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 165 places, 161 transitions, 356 flow [2025-03-14 01:46:02,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-14 01:46:02,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-14 01:46:02,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 518 transitions. [2025-03-14 01:46:02,416 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7993827160493827 [2025-03-14 01:46:02,416 INFO L175 Difference]: Start difference. First operand has 167 places, 162 transitions, 332 flow. Second operand 3 states and 518 transitions. [2025-03-14 01:46:02,416 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 165 places, 161 transitions, 356 flow [2025-03-14 01:46:02,417 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 163 places, 161 transitions, 352 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-03-14 01:46:02,419 INFO L231 Difference]: Finished difference. Result has 163 places, 161 transitions, 330 flow [2025-03-14 01:46:02,419 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=216, PETRI_DIFFERENCE_MINUEND_FLOW=326, PETRI_DIFFERENCE_MINUEND_PLACES=161, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=161, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=159, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=330, PETRI_PLACES=163, PETRI_TRANSITIONS=161} [2025-03-14 01:46:02,419 INFO L279 CegarLoopForPetriNet]: 196 programPoint places, -33 predicate places. [2025-03-14 01:46:02,420 INFO L471 AbstractCegarLoop]: Abstraction has has 163 places, 161 transitions, 330 flow [2025-03-14 01:46:02,420 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 169.33333333333334) internal successors, (508), 3 states have internal predecessors, (508), 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) [2025-03-14 01:46:02,420 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-14 01:46:02,420 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-14 01:46:02,420 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-03-14 01:46:02,420 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [thread1Err16ASSERT_VIOLATIONDATA_RACE, thread1Err7ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE, thread1Err5ASSERT_VIOLATIONDATA_RACE (and 67 more)] === [2025-03-14 01:46:02,421 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-14 01:46:02,421 INFO L85 PathProgramCache]: Analyzing trace with hash -593073777, now seen corresponding path program 1 times [2025-03-14 01:46:02,421 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-14 01:46:02,421 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1788320453] [2025-03-14 01:46:02,421 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-14 01:46:02,421 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-14 01:46:02,426 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 38 statements into 1 equivalence classes. [2025-03-14 01:46:02,429 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 38 of 38 statements. [2025-03-14 01:46:02,429 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-14 01:46:02,430 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-14 01:46:02,449 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-14 01:46:02,450 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-14 01:46:02,450 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1788320453] [2025-03-14 01:46:02,450 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1788320453] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-14 01:46:02,450 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-14 01:46:02,450 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-14 01:46:02,450 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [29512133] [2025-03-14 01:46:02,450 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-14 01:46:02,450 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-14 01:46:02,451 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-14 01:46:02,451 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-14 01:46:02,451 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-14 01:46:02,461 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 168 out of 216 [2025-03-14 01:46:02,461 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 163 places, 161 transitions, 330 flow. Second operand has 3 states, 3 states have (on average 169.33333333333334) internal successors, (508), 3 states have internal predecessors, (508), 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) [2025-03-14 01:46:02,462 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-14 01:46:02,462 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 168 of 216 [2025-03-14 01:46:02,462 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-14 01:46:02,494 INFO L124 PetriNetUnfolderBase]: 13/209 cut-off events. [2025-03-14 01:46:02,494 INFO L125 PetriNetUnfolderBase]: For 3/4 co-relation queries the response was YES. [2025-03-14 01:46:02,495 INFO L83 FinitePrefix]: Finished finitePrefix Result has 245 conditions, 209 events. 13/209 cut-off events. For 3/4 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 324 event pairs, 5 based on Foata normal form. 0/188 useless extension candidates. Maximal degree in co-relation 207. Up to 26 conditions per place. [2025-03-14 01:46:02,495 INFO L140 encePairwiseOnDemand]: 213/216 looper letters, 11 selfloop transitions, 2 changer transitions 0/160 dead transitions. [2025-03-14 01:46:02,495 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 164 places, 160 transitions, 354 flow [2025-03-14 01:46:02,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-14 01:46:02,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-14 01:46:02,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 518 transitions. [2025-03-14 01:46:02,497 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7993827160493827 [2025-03-14 01:46:02,497 INFO L175 Difference]: Start difference. First operand has 163 places, 161 transitions, 330 flow. Second operand 3 states and 518 transitions. [2025-03-14 01:46:02,497 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 164 places, 160 transitions, 354 flow [2025-03-14 01:46:02,498 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 162 places, 160 transitions, 350 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-03-14 01:46:02,499 INFO L231 Difference]: Finished difference. Result has 162 places, 160 transitions, 328 flow [2025-03-14 01:46:02,500 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=216, PETRI_DIFFERENCE_MINUEND_FLOW=324, PETRI_DIFFERENCE_MINUEND_PLACES=160, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=160, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=158, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=328, PETRI_PLACES=162, PETRI_TRANSITIONS=160} [2025-03-14 01:46:02,500 INFO L279 CegarLoopForPetriNet]: 196 programPoint places, -34 predicate places. [2025-03-14 01:46:02,500 INFO L471 AbstractCegarLoop]: Abstraction has has 162 places, 160 transitions, 328 flow [2025-03-14 01:46:02,501 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 169.33333333333334) internal successors, (508), 3 states have internal predecessors, (508), 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) [2025-03-14 01:46:02,501 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-14 01:46:02,501 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] [2025-03-14 01:46:02,501 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-03-14 01:46:02,501 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [thread1Err16ASSERT_VIOLATIONDATA_RACE, thread1Err7ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE, thread1Err5ASSERT_VIOLATIONDATA_RACE (and 67 more)] === [2025-03-14 01:46:02,501 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-14 01:46:02,501 INFO L85 PathProgramCache]: Analyzing trace with hash -363338715, now seen corresponding path program 1 times [2025-03-14 01:46:02,502 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-14 01:46:02,502 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2008782725] [2025-03-14 01:46:02,502 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-14 01:46:02,502 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-14 01:46:02,506 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 42 statements into 1 equivalence classes. [2025-03-14 01:46:02,509 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 42 of 42 statements. [2025-03-14 01:46:02,509 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-14 01:46:02,510 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-14 01:46:02,529 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-14 01:46:02,529 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-14 01:46:02,529 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2008782725] [2025-03-14 01:46:02,529 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2008782725] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-14 01:46:02,529 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-14 01:46:02,529 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-14 01:46:02,530 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1943821738] [2025-03-14 01:46:02,530 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-14 01:46:02,530 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-14 01:46:02,530 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-14 01:46:02,530 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-14 01:46:02,530 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-14 01:46:02,537 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 172 out of 216 [2025-03-14 01:46:02,538 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 162 places, 160 transitions, 328 flow. Second operand has 3 states, 3 states have (on average 173.0) internal successors, (519), 3 states have internal predecessors, (519), 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) [2025-03-14 01:46:02,538 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-14 01:46:02,538 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 172 of 216 [2025-03-14 01:46:02,538 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-14 01:46:02,586 INFO L124 PetriNetUnfolderBase]: 15/229 cut-off events. [2025-03-14 01:46:02,586 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2025-03-14 01:46:02,587 INFO L83 FinitePrefix]: Finished finitePrefix Result has 266 conditions, 229 events. 15/229 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 383 event pairs, 2 based on Foata normal form. 0/205 useless extension candidates. Maximal degree in co-relation 220. Up to 16 conditions per place. [2025-03-14 01:46:02,588 INFO L140 encePairwiseOnDemand]: 213/216 looper letters, 12 selfloop transitions, 2 changer transitions 0/163 dead transitions. [2025-03-14 01:46:02,588 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 163 places, 163 transitions, 363 flow [2025-03-14 01:46:02,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-14 01:46:02,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-14 01:46:02,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 531 transitions. [2025-03-14 01:46:02,591 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8194444444444444 [2025-03-14 01:46:02,591 INFO L175 Difference]: Start difference. First operand has 162 places, 160 transitions, 328 flow. Second operand 3 states and 531 transitions. [2025-03-14 01:46:02,591 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 163 places, 163 transitions, 363 flow [2025-03-14 01:46:02,592 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 161 places, 163 transitions, 359 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-03-14 01:46:02,594 INFO L231 Difference]: Finished difference. Result has 162 places, 160 transitions, 332 flow [2025-03-14 01:46:02,594 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=216, PETRI_DIFFERENCE_MINUEND_FLOW=322, PETRI_DIFFERENCE_MINUEND_PLACES=159, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=159, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=157, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=332, PETRI_PLACES=162, PETRI_TRANSITIONS=160} [2025-03-14 01:46:02,597 INFO L279 CegarLoopForPetriNet]: 196 programPoint places, -34 predicate places. [2025-03-14 01:46:02,597 INFO L471 AbstractCegarLoop]: Abstraction has has 162 places, 160 transitions, 332 flow [2025-03-14 01:46:02,597 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 173.0) internal successors, (519), 3 states have internal predecessors, (519), 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) [2025-03-14 01:46:02,597 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-14 01:46:02,597 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] [2025-03-14 01:46:02,597 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-03-14 01:46:02,598 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [thread1Err16ASSERT_VIOLATIONDATA_RACE, thread1Err7ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE, thread1Err5ASSERT_VIOLATIONDATA_RACE (and 67 more)] === [2025-03-14 01:46:02,598 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-14 01:46:02,598 INFO L85 PathProgramCache]: Analyzing trace with hash 1997069466, now seen corresponding path program 1 times [2025-03-14 01:46:02,598 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-14 01:46:02,598 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [972173699] [2025-03-14 01:46:02,598 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-14 01:46:02,598 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-14 01:46:02,604 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 46 statements into 1 equivalence classes. [2025-03-14 01:46:02,608 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 46 of 46 statements. [2025-03-14 01:46:02,608 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-14 01:46:02,608 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-14 01:46:02,640 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-14 01:46:02,640 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-14 01:46:02,640 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [972173699] [2025-03-14 01:46:02,640 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [972173699] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-14 01:46:02,640 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-14 01:46:02,640 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-14 01:46:02,640 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [913585610] [2025-03-14 01:46:02,640 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-14 01:46:02,641 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-14 01:46:02,641 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-14 01:46:02,641 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-14 01:46:02,641 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-14 01:46:02,650 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 169 out of 216 [2025-03-14 01:46:02,651 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 162 places, 160 transitions, 332 flow. Second operand has 3 states, 3 states have (on average 170.33333333333334) internal successors, (511), 3 states have internal predecessors, (511), 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) [2025-03-14 01:46:02,651 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-14 01:46:02,651 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 169 of 216 [2025-03-14 01:46:02,651 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-14 01:46:02,703 INFO L124 PetriNetUnfolderBase]: 15/211 cut-off events. [2025-03-14 01:46:02,703 INFO L125 PetriNetUnfolderBase]: For 12/13 co-relation queries the response was YES. [2025-03-14 01:46:02,704 INFO L83 FinitePrefix]: Finished finitePrefix Result has 262 conditions, 211 events. 15/211 cut-off events. For 12/13 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 331 event pairs, 5 based on Foata normal form. 0/190 useless extension candidates. Maximal degree in co-relation 135. Up to 29 conditions per place. [2025-03-14 01:46:02,704 INFO L140 encePairwiseOnDemand]: 213/216 looper letters, 11 selfloop transitions, 2 changer transitions 0/159 dead transitions. [2025-03-14 01:46:02,704 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 163 places, 159 transitions, 356 flow [2025-03-14 01:46:02,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-14 01:46:02,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-14 01:46:02,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 520 transitions. [2025-03-14 01:46:02,706 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8024691358024691 [2025-03-14 01:46:02,706 INFO L175 Difference]: Start difference. First operand has 162 places, 160 transitions, 332 flow. Second operand 3 states and 520 transitions. [2025-03-14 01:46:02,706 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 163 places, 159 transitions, 356 flow [2025-03-14 01:46:02,707 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 162 places, 159 transitions, 354 flow, removed 0 selfloop flow, removed 1 redundant places. [2025-03-14 01:46:02,708 INFO L231 Difference]: Finished difference. Result has 162 places, 159 transitions, 332 flow [2025-03-14 01:46:02,709 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=216, PETRI_DIFFERENCE_MINUEND_FLOW=328, PETRI_DIFFERENCE_MINUEND_PLACES=160, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=159, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=157, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=332, PETRI_PLACES=162, PETRI_TRANSITIONS=159} [2025-03-14 01:46:02,709 INFO L279 CegarLoopForPetriNet]: 196 programPoint places, -34 predicate places. [2025-03-14 01:46:02,709 INFO L471 AbstractCegarLoop]: Abstraction has has 162 places, 159 transitions, 332 flow [2025-03-14 01:46:02,709 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 170.33333333333334) internal successors, (511), 3 states have internal predecessors, (511), 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) [2025-03-14 01:46:02,710 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-14 01:46:02,710 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] [2025-03-14 01:46:02,710 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-03-14 01:46:02,710 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [thread1Err16ASSERT_VIOLATIONDATA_RACE, thread1Err7ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE, thread1Err5ASSERT_VIOLATIONDATA_RACE (and 67 more)] === [2025-03-14 01:46:02,711 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-14 01:46:02,711 INFO L85 PathProgramCache]: Analyzing trace with hash 810076950, now seen corresponding path program 1 times [2025-03-14 01:46:02,711 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-14 01:46:02,712 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1676837393] [2025-03-14 01:46:02,712 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-14 01:46:02,712 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-14 01:46:02,719 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 49 statements into 1 equivalence classes. [2025-03-14 01:46:02,727 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 49 of 49 statements. [2025-03-14 01:46:02,727 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-14 01:46:02,727 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-14 01:46:02,764 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-14 01:46:02,764 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-14 01:46:02,764 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1676837393] [2025-03-14 01:46:02,764 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1676837393] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-14 01:46:02,764 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-14 01:46:02,764 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-14 01:46:02,764 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1729824230] [2025-03-14 01:46:02,765 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-14 01:46:02,765 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-14 01:46:02,765 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-14 01:46:02,765 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-14 01:46:02,765 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-14 01:46:02,774 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 172 out of 216 [2025-03-14 01:46:02,775 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 162 places, 159 transitions, 332 flow. Second operand has 3 states, 3 states have (on average 173.0) internal successors, (519), 3 states have internal predecessors, (519), 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) [2025-03-14 01:46:02,775 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-14 01:46:02,775 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 172 of 216 [2025-03-14 01:46:02,775 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-14 01:46:02,817 INFO L124 PetriNetUnfolderBase]: 15/210 cut-off events. [2025-03-14 01:46:02,817 INFO L125 PetriNetUnfolderBase]: For 11/12 co-relation queries the response was YES. [2025-03-14 01:46:02,818 INFO L83 FinitePrefix]: Finished finitePrefix Result has 257 conditions, 210 events. 15/210 cut-off events. For 11/12 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 333 event pairs, 5 based on Foata normal form. 0/190 useless extension candidates. Maximal degree in co-relation 202. Up to 27 conditions per place. [2025-03-14 01:46:02,818 INFO L140 encePairwiseOnDemand]: 214/216 looper letters, 10 selfloop transitions, 1 changer transitions 0/158 dead transitions. [2025-03-14 01:46:02,818 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 163 places, 158 transitions, 352 flow [2025-03-14 01:46:02,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-14 01:46:02,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-14 01:46:02,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 527 transitions. [2025-03-14 01:46:02,820 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8132716049382716 [2025-03-14 01:46:02,820 INFO L175 Difference]: Start difference. First operand has 162 places, 159 transitions, 332 flow. Second operand 3 states and 527 transitions. [2025-03-14 01:46:02,820 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 163 places, 158 transitions, 352 flow [2025-03-14 01:46:02,821 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 161 places, 158 transitions, 348 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-03-14 01:46:02,823 INFO L231 Difference]: Finished difference. Result has 161 places, 158 transitions, 328 flow [2025-03-14 01:46:02,823 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=216, PETRI_DIFFERENCE_MINUEND_FLOW=326, PETRI_DIFFERENCE_MINUEND_PLACES=159, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=158, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=157, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=328, PETRI_PLACES=161, PETRI_TRANSITIONS=158} [2025-03-14 01:46:02,824 INFO L279 CegarLoopForPetriNet]: 196 programPoint places, -35 predicate places. [2025-03-14 01:46:02,825 INFO L471 AbstractCegarLoop]: Abstraction has has 161 places, 158 transitions, 328 flow [2025-03-14 01:46:02,825 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 173.0) internal successors, (519), 3 states have internal predecessors, (519), 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) [2025-03-14 01:46:02,825 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-14 01:46:02,826 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-14 01:46:02,826 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2025-03-14 01:46:02,826 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thread1Err16ASSERT_VIOLATIONDATA_RACE, thread1Err7ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE, thread1Err5ASSERT_VIOLATIONDATA_RACE (and 67 more)] === [2025-03-14 01:46:02,826 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-14 01:46:02,826 INFO L85 PathProgramCache]: Analyzing trace with hash -34620162, now seen corresponding path program 1 times [2025-03-14 01:46:02,826 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-14 01:46:02,826 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2130657799] [2025-03-14 01:46:02,826 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-14 01:46:02,826 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-14 01:46:02,835 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 79 statements into 1 equivalence classes. [2025-03-14 01:46:02,850 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 79 of 79 statements. [2025-03-14 01:46:02,850 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-14 01:46:02,851 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-14 01:46:02,909 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-14 01:46:02,910 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-14 01:46:02,910 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2130657799] [2025-03-14 01:46:02,910 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2130657799] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-14 01:46:02,911 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-14 01:46:02,911 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-14 01:46:02,911 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [322007605] [2025-03-14 01:46:02,911 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-14 01:46:02,911 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-14 01:46:02,912 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-14 01:46:02,912 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-14 01:46:02,912 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-14 01:46:02,919 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 169 out of 216 [2025-03-14 01:46:02,920 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 161 places, 158 transitions, 328 flow. Second operand has 3 states, 3 states have (on average 170.33333333333334) internal successors, (511), 3 states have internal predecessors, (511), 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) [2025-03-14 01:46:02,920 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-14 01:46:02,920 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 169 of 216 [2025-03-14 01:46:02,920 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-14 01:46:02,957 INFO L124 PetriNetUnfolderBase]: 15/209 cut-off events. [2025-03-14 01:46:02,957 INFO L125 PetriNetUnfolderBase]: For 11/12 co-relation queries the response was YES. [2025-03-14 01:46:02,958 INFO L83 FinitePrefix]: Finished finitePrefix Result has 257 conditions, 209 events. 15/209 cut-off events. For 11/12 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 326 event pairs, 5 based on Foata normal form. 0/190 useless extension candidates. Maximal degree in co-relation 202. Up to 29 conditions per place. [2025-03-14 01:46:02,958 INFO L140 encePairwiseOnDemand]: 213/216 looper letters, 11 selfloop transitions, 2 changer transitions 0/157 dead transitions. [2025-03-14 01:46:02,958 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 162 places, 157 transitions, 352 flow [2025-03-14 01:46:02,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-14 01:46:02,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-14 01:46:02,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 520 transitions. [2025-03-14 01:46:02,960 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8024691358024691 [2025-03-14 01:46:02,960 INFO L175 Difference]: Start difference. First operand has 161 places, 158 transitions, 328 flow. Second operand 3 states and 520 transitions. [2025-03-14 01:46:02,960 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 162 places, 157 transitions, 352 flow [2025-03-14 01:46:02,961 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 161 places, 157 transitions, 351 flow, removed 0 selfloop flow, removed 1 redundant places. [2025-03-14 01:46:02,962 INFO L231 Difference]: Finished difference. Result has 161 places, 157 transitions, 329 flow [2025-03-14 01:46:02,962 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=216, PETRI_DIFFERENCE_MINUEND_FLOW=325, PETRI_DIFFERENCE_MINUEND_PLACES=159, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=157, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=155, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=329, PETRI_PLACES=161, PETRI_TRANSITIONS=157} [2025-03-14 01:46:02,965 INFO L279 CegarLoopForPetriNet]: 196 programPoint places, -35 predicate places. [2025-03-14 01:46:02,965 INFO L471 AbstractCegarLoop]: Abstraction has has 161 places, 157 transitions, 329 flow [2025-03-14 01:46:02,966 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 170.33333333333334) internal successors, (511), 3 states have internal predecessors, (511), 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) [2025-03-14 01:46:02,966 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-14 01:46:02,966 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-14 01:46:02,966 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2025-03-14 01:46:02,966 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [thread1Err16ASSERT_VIOLATIONDATA_RACE, thread1Err7ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE, thread1Err5ASSERT_VIOLATIONDATA_RACE (and 67 more)] === [2025-03-14 01:46:02,968 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-14 01:46:02,968 INFO L85 PathProgramCache]: Analyzing trace with hash 1457072902, now seen corresponding path program 1 times [2025-03-14 01:46:02,968 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-14 01:46:02,968 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [25121519] [2025-03-14 01:46:02,968 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-14 01:46:02,968 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-14 01:46:02,980 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 79 statements into 1 equivalence classes. [2025-03-14 01:46:03,002 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 79 of 79 statements. [2025-03-14 01:46:03,003 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-14 01:46:03,003 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-14 01:46:03,441 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-14 01:46:03,441 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-14 01:46:03,441 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [25121519] [2025-03-14 01:46:03,441 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [25121519] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-14 01:46:03,441 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-14 01:46:03,441 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-14 01:46:03,441 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [245434417] [2025-03-14 01:46:03,441 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-14 01:46:03,442 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-14 01:46:03,442 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-14 01:46:03,442 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-14 01:46:03,442 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2025-03-14 01:46:03,512 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 162 out of 216 [2025-03-14 01:46:03,513 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 161 places, 157 transitions, 329 flow. Second operand has 6 states, 6 states have (on average 163.5) internal successors, (981), 6 states have internal predecessors, (981), 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) [2025-03-14 01:46:03,513 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-14 01:46:03,513 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 162 of 216 [2025-03-14 01:46:03,513 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-14 01:46:03,556 INFO L124 PetriNetUnfolderBase]: 15/208 cut-off events. [2025-03-14 01:46:03,556 INFO L125 PetriNetUnfolderBase]: For 11/12 co-relation queries the response was YES. [2025-03-14 01:46:03,557 INFO L83 FinitePrefix]: Finished finitePrefix Result has 266 conditions, 208 events. 15/208 cut-off events. For 11/12 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 322 event pairs, 5 based on Foata normal form. 0/190 useless extension candidates. Maximal degree in co-relation 212. Up to 34 conditions per place. [2025-03-14 01:46:03,557 INFO L140 encePairwiseOnDemand]: 210/216 looper letters, 16 selfloop transitions, 5 changer transitions 0/156 dead transitions. [2025-03-14 01:46:03,558 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 165 places, 156 transitions, 369 flow [2025-03-14 01:46:03,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-14 01:46:03,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2025-03-14 01:46:03,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 993 transitions. [2025-03-14 01:46:03,563 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7662037037037037 [2025-03-14 01:46:03,563 INFO L175 Difference]: Start difference. First operand has 161 places, 157 transitions, 329 flow. Second operand 6 states and 993 transitions. [2025-03-14 01:46:03,563 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 165 places, 156 transitions, 369 flow [2025-03-14 01:46:03,564 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 163 places, 156 transitions, 365 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-03-14 01:46:03,566 INFO L231 Difference]: Finished difference. Result has 163 places, 156 transitions, 333 flow [2025-03-14 01:46:03,566 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=216, PETRI_DIFFERENCE_MINUEND_FLOW=323, PETRI_DIFFERENCE_MINUEND_PLACES=158, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=156, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=151, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=333, PETRI_PLACES=163, PETRI_TRANSITIONS=156} [2025-03-14 01:46:03,568 INFO L279 CegarLoopForPetriNet]: 196 programPoint places, -33 predicate places. [2025-03-14 01:46:03,569 INFO L471 AbstractCegarLoop]: Abstraction has has 163 places, 156 transitions, 333 flow [2025-03-14 01:46:03,569 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 163.5) internal successors, (981), 6 states have internal predecessors, (981), 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) [2025-03-14 01:46:03,569 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-14 01:46:03,569 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-14 01:46:03,569 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2025-03-14 01:46:03,570 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err16ASSERT_VIOLATIONDATA_RACE, thread1Err7ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE, thread1Err5ASSERT_VIOLATIONDATA_RACE (and 67 more)] === [2025-03-14 01:46:03,570 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-14 01:46:03,570 INFO L85 PathProgramCache]: Analyzing trace with hash -693559885, now seen corresponding path program 1 times [2025-03-14 01:46:03,570 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-14 01:46:03,570 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [150015090] [2025-03-14 01:46:03,570 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-14 01:46:03,571 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-14 01:46:03,581 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 83 statements into 1 equivalence classes. [2025-03-14 01:46:03,588 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 83 of 83 statements. [2025-03-14 01:46:03,590 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-14 01:46:03,590 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-14 01:46:03,616 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-14 01:46:03,616 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-14 01:46:03,616 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [150015090] [2025-03-14 01:46:03,617 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [150015090] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-14 01:46:03,617 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-14 01:46:03,617 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-14 01:46:03,617 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1379387684] [2025-03-14 01:46:03,617 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-14 01:46:03,618 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-14 01:46:03,618 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-14 01:46:03,618 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-14 01:46:03,618 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-14 01:46:03,629 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 166 out of 216 [2025-03-14 01:46:03,630 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 163 places, 156 transitions, 333 flow. Second operand has 3 states, 3 states have (on average 167.0) internal successors, (501), 3 states have internal predecessors, (501), 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) [2025-03-14 01:46:03,630 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-14 01:46:03,630 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 166 of 216 [2025-03-14 01:46:03,630 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-14 01:46:03,674 INFO L124 PetriNetUnfolderBase]: 19/194 cut-off events. [2025-03-14 01:46:03,675 INFO L125 PetriNetUnfolderBase]: For 14/14 co-relation queries the response was YES. [2025-03-14 01:46:03,675 INFO L83 FinitePrefix]: Finished finitePrefix Result has 262 conditions, 194 events. 19/194 cut-off events. For 14/14 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 287 event pairs, 9 based on Foata normal form. 1/181 useless extension candidates. Maximal degree in co-relation 243. Up to 38 conditions per place. [2025-03-14 01:46:03,677 INFO L140 encePairwiseOnDemand]: 212/216 looper letters, 12 selfloop transitions, 1 changer transitions 2/153 dead transitions. [2025-03-14 01:46:03,677 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 162 places, 153 transitions, 355 flow [2025-03-14 01:46:03,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-14 01:46:03,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-14 01:46:03,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 514 transitions. [2025-03-14 01:46:03,678 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7932098765432098 [2025-03-14 01:46:03,678 INFO L175 Difference]: Start difference. First operand has 163 places, 156 transitions, 333 flow. Second operand 3 states and 514 transitions. [2025-03-14 01:46:03,679 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 162 places, 153 transitions, 355 flow [2025-03-14 01:46:03,680 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 157 places, 153 transitions, 345 flow, removed 0 selfloop flow, removed 5 redundant places. [2025-03-14 01:46:03,682 INFO L231 Difference]: Finished difference. Result has 157 places, 151 transitions, 315 flow [2025-03-14 01:46:03,682 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=216, PETRI_DIFFERENCE_MINUEND_FLOW=317, PETRI_DIFFERENCE_MINUEND_PLACES=155, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=153, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=152, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=315, PETRI_PLACES=157, PETRI_TRANSITIONS=151} [2025-03-14 01:46:03,682 INFO L279 CegarLoopForPetriNet]: 196 programPoint places, -39 predicate places. [2025-03-14 01:46:03,683 INFO L471 AbstractCegarLoop]: Abstraction has has 157 places, 151 transitions, 315 flow [2025-03-14 01:46:03,683 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 167.0) internal successors, (501), 3 states have internal predecessors, (501), 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) [2025-03-14 01:46:03,683 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-14 01:46:03,683 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-14 01:46:03,684 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2025-03-14 01:46:03,684 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting thread2Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err16ASSERT_VIOLATIONDATA_RACE, thread1Err7ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE, thread1Err5ASSERT_VIOLATIONDATA_RACE (and 67 more)] === [2025-03-14 01:46:03,684 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-14 01:46:03,685 INFO L85 PathProgramCache]: Analyzing trace with hash 807041934, now seen corresponding path program 1 times [2025-03-14 01:46:03,685 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-14 01:46:03,685 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [478515084] [2025-03-14 01:46:03,685 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-14 01:46:03,685 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-14 01:46:03,697 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 104 statements into 1 equivalence classes. [2025-03-14 01:46:03,702 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 104 of 104 statements. [2025-03-14 01:46:03,702 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-14 01:46:03,702 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-14 01:46:03,725 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-14 01:46:03,726 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-14 01:46:03,726 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [478515084] [2025-03-14 01:46:03,726 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [478515084] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-14 01:46:03,726 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-14 01:46:03,726 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-14 01:46:03,726 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2126118096] [2025-03-14 01:46:03,726 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-14 01:46:03,726 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-14 01:46:03,727 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-14 01:46:03,727 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-14 01:46:03,727 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-14 01:46:03,736 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 169 out of 216 [2025-03-14 01:46:03,737 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 157 places, 151 transitions, 315 flow. Second operand has 3 states, 3 states have (on average 170.66666666666666) internal successors, (512), 3 states have internal predecessors, (512), 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) [2025-03-14 01:46:03,737 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-14 01:46:03,737 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 169 of 216 [2025-03-14 01:46:03,737 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-14 01:46:03,786 INFO L124 PetriNetUnfolderBase]: 30/230 cut-off events. [2025-03-14 01:46:03,786 INFO L125 PetriNetUnfolderBase]: For 14/15 co-relation queries the response was YES. [2025-03-14 01:46:03,786 INFO L83 FinitePrefix]: Finished finitePrefix Result has 302 conditions, 230 events. 30/230 cut-off events. For 14/15 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 495 event pairs, 8 based on Foata normal form. 1/216 useless extension candidates. Maximal degree in co-relation 248. Up to 35 conditions per place. [2025-03-14 01:46:03,787 INFO L140 encePairwiseOnDemand]: 211/216 looper letters, 11 selfloop transitions, 2 changer transitions 2/152 dead transitions. [2025-03-14 01:46:03,787 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 155 places, 152 transitions, 348 flow [2025-03-14 01:46:03,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-14 01:46:03,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-14 01:46:03,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 523 transitions. [2025-03-14 01:46:03,789 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8070987654320988 [2025-03-14 01:46:03,789 INFO L175 Difference]: Start difference. First operand has 157 places, 151 transitions, 315 flow. Second operand 3 states and 523 transitions. [2025-03-14 01:46:03,789 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 155 places, 152 transitions, 348 flow [2025-03-14 01:46:03,789 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 154 places, 152 transitions, 347 flow, removed 0 selfloop flow, removed 1 redundant places. [2025-03-14 01:46:03,791 INFO L231 Difference]: Finished difference. Result has 154 places, 147 transitions, 309 flow [2025-03-14 01:46:03,791 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=216, PETRI_DIFFERENCE_MINUEND_FLOW=310, PETRI_DIFFERENCE_MINUEND_PLACES=152, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=149, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=147, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=309, PETRI_PLACES=154, PETRI_TRANSITIONS=147} [2025-03-14 01:46:03,791 INFO L279 CegarLoopForPetriNet]: 196 programPoint places, -42 predicate places. [2025-03-14 01:46:03,791 INFO L471 AbstractCegarLoop]: Abstraction has has 154 places, 147 transitions, 309 flow [2025-03-14 01:46:03,792 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 170.66666666666666) internal successors, (512), 3 states have internal predecessors, (512), 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) [2025-03-14 01:46:03,792 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-14 01:46:03,792 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-14 01:46:03,792 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2025-03-14 01:46:03,792 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting thread2Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err16ASSERT_VIOLATIONDATA_RACE, thread1Err7ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE, thread1Err5ASSERT_VIOLATIONDATA_RACE (and 67 more)] === [2025-03-14 01:46:03,793 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-14 01:46:03,793 INFO L85 PathProgramCache]: Analyzing trace with hash 1638719504, now seen corresponding path program 1 times [2025-03-14 01:46:03,793 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-14 01:46:03,793 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [669411297] [2025-03-14 01:46:03,793 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-14 01:46:03,793 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-14 01:46:03,801 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 108 statements into 1 equivalence classes. [2025-03-14 01:46:03,805 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 108 of 108 statements. [2025-03-14 01:46:03,806 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-14 01:46:03,806 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-14 01:46:03,826 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-14 01:46:03,827 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-14 01:46:03,827 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [669411297] [2025-03-14 01:46:03,827 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [669411297] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-14 01:46:03,827 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-14 01:46:03,827 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-14 01:46:03,827 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1258614415] [2025-03-14 01:46:03,827 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-14 01:46:03,827 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-14 01:46:03,828 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-14 01:46:03,828 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-14 01:46:03,828 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-14 01:46:03,851 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 169 out of 216 [2025-03-14 01:46:03,851 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 154 places, 147 transitions, 309 flow. Second operand has 3 states, 3 states have (on average 171.33333333333334) internal successors, (514), 3 states have internal predecessors, (514), 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) [2025-03-14 01:46:03,851 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-14 01:46:03,851 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 169 of 216 [2025-03-14 01:46:03,851 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-14 01:46:03,885 INFO L124 PetriNetUnfolderBase]: 40/235 cut-off events. [2025-03-14 01:46:03,885 INFO L125 PetriNetUnfolderBase]: For 18/18 co-relation queries the response was YES. [2025-03-14 01:46:03,886 INFO L83 FinitePrefix]: Finished finitePrefix Result has 331 conditions, 235 events. 40/235 cut-off events. For 18/18 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 532 event pairs, 14 based on Foata normal form. 0/222 useless extension candidates. Maximal degree in co-relation 277. Up to 52 conditions per place. [2025-03-14 01:46:03,886 INFO L140 encePairwiseOnDemand]: 213/216 looper letters, 0 selfloop transitions, 0 changer transitions 149/149 dead transitions. [2025-03-14 01:46:03,886 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 153 places, 149 transitions, 344 flow [2025-03-14 01:46:03,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-14 01:46:03,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-14 01:46:03,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 522 transitions. [2025-03-14 01:46:03,887 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8055555555555556 [2025-03-14 01:46:03,887 INFO L175 Difference]: Start difference. First operand has 154 places, 147 transitions, 309 flow. Second operand 3 states and 522 transitions. [2025-03-14 01:46:03,887 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 153 places, 149 transitions, 344 flow [2025-03-14 01:46:03,888 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 151 places, 149 transitions, 340 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-03-14 01:46:03,889 INFO L231 Difference]: Finished difference. Result has 151 places, 0 transitions, 0 flow [2025-03-14 01:46:03,889 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=216, PETRI_DIFFERENCE_MINUEND_FLOW=303, PETRI_DIFFERENCE_MINUEND_PLACES=149, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=146, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=146, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=151, PETRI_TRANSITIONS=0} [2025-03-14 01:46:03,889 INFO L279 CegarLoopForPetriNet]: 196 programPoint places, -45 predicate places. [2025-03-14 01:46:03,889 INFO L471 AbstractCegarLoop]: Abstraction has has 151 places, 0 transitions, 0 flow [2025-03-14 01:46:03,889 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 171.33333333333334) internal successors, (514), 3 states have internal predecessors, (514), 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) [2025-03-14 01:46:03,891 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err16ASSERT_VIOLATIONDATA_RACE (70 of 71 remaining) [2025-03-14 01:46:03,891 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (69 of 71 remaining) [2025-03-14 01:46:03,892 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (68 of 71 remaining) [2025-03-14 01:46:03,892 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (67 of 71 remaining) [2025-03-14 01:46:03,892 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (66 of 71 remaining) [2025-03-14 01:46:03,892 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (65 of 71 remaining) [2025-03-14 01:46:03,892 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (64 of 71 remaining) [2025-03-14 01:46:03,892 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (63 of 71 remaining) [2025-03-14 01:46:03,892 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (62 of 71 remaining) [2025-03-14 01:46:03,892 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err15ASSERT_VIOLATIONDATA_RACE (61 of 71 remaining) [2025-03-14 01:46:03,892 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err14ASSERT_VIOLATIONDATA_RACE (60 of 71 remaining) [2025-03-14 01:46:03,892 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err13ASSERT_VIOLATIONDATA_RACE (59 of 71 remaining) [2025-03-14 01:46:03,892 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err12ASSERT_VIOLATIONDATA_RACE (58 of 71 remaining) [2025-03-14 01:46:03,892 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err11ASSERT_VIOLATIONDATA_RACE (57 of 71 remaining) [2025-03-14 01:46:03,892 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (56 of 71 remaining) [2025-03-14 01:46:03,892 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (55 of 71 remaining) [2025-03-14 01:46:03,892 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (54 of 71 remaining) [2025-03-14 01:46:03,892 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (53 of 71 remaining) [2025-03-14 01:46:03,892 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (52 of 71 remaining) [2025-03-14 01:46:03,892 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (51 of 71 remaining) [2025-03-14 01:46:03,892 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (50 of 71 remaining) [2025-03-14 01:46:03,892 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (49 of 71 remaining) [2025-03-14 01:46:03,892 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (48 of 71 remaining) [2025-03-14 01:46:03,892 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (47 of 71 remaining) [2025-03-14 01:46:03,892 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (46 of 71 remaining) [2025-03-14 01:46:03,892 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (45 of 71 remaining) [2025-03-14 01:46:03,892 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (44 of 71 remaining) [2025-03-14 01:46:03,892 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (43 of 71 remaining) [2025-03-14 01:46:03,892 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (42 of 71 remaining) [2025-03-14 01:46:03,892 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (41 of 71 remaining) [2025-03-14 01:46:03,892 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (40 of 71 remaining) [2025-03-14 01:46:03,892 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (39 of 71 remaining) [2025-03-14 01:46:03,892 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (38 of 71 remaining) [2025-03-14 01:46:03,892 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (37 of 71 remaining) [2025-03-14 01:46:03,892 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (36 of 71 remaining) [2025-03-14 01:46:03,892 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (35 of 71 remaining) [2025-03-14 01:46:03,893 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (34 of 71 remaining) [2025-03-14 01:46:03,893 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (33 of 71 remaining) [2025-03-14 01:46:03,893 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (32 of 71 remaining) [2025-03-14 01:46:03,893 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (31 of 71 remaining) [2025-03-14 01:46:03,893 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (30 of 71 remaining) [2025-03-14 01:46:03,893 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (29 of 71 remaining) [2025-03-14 01:46:03,893 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err16ASSERT_VIOLATIONDATA_RACE (28 of 71 remaining) [2025-03-14 01:46:03,893 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (27 of 71 remaining) [2025-03-14 01:46:03,893 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (26 of 71 remaining) [2025-03-14 01:46:03,893 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (25 of 71 remaining) [2025-03-14 01:46:03,893 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (24 of 71 remaining) [2025-03-14 01:46:03,893 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (23 of 71 remaining) [2025-03-14 01:46:03,893 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (22 of 71 remaining) [2025-03-14 01:46:03,893 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (21 of 71 remaining) [2025-03-14 01:46:03,893 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (20 of 71 remaining) [2025-03-14 01:46:03,893 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err15ASSERT_VIOLATIONDATA_RACE (19 of 71 remaining) [2025-03-14 01:46:03,893 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err14ASSERT_VIOLATIONDATA_RACE (18 of 71 remaining) [2025-03-14 01:46:03,893 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err13ASSERT_VIOLATIONDATA_RACE (17 of 71 remaining) [2025-03-14 01:46:03,893 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err12ASSERT_VIOLATIONDATA_RACE (16 of 71 remaining) [2025-03-14 01:46:03,893 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err11ASSERT_VIOLATIONDATA_RACE (15 of 71 remaining) [2025-03-14 01:46:03,893 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (14 of 71 remaining) [2025-03-14 01:46:03,893 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (13 of 71 remaining) [2025-03-14 01:46:03,893 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (12 of 71 remaining) [2025-03-14 01:46:03,893 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (11 of 71 remaining) [2025-03-14 01:46:03,893 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (10 of 71 remaining) [2025-03-14 01:46:03,893 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (9 of 71 remaining) [2025-03-14 01:46:03,893 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (8 of 71 remaining) [2025-03-14 01:46:03,893 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (7 of 71 remaining) [2025-03-14 01:46:03,893 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (6 of 71 remaining) [2025-03-14 01:46:03,893 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (5 of 71 remaining) [2025-03-14 01:46:03,893 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (4 of 71 remaining) [2025-03-14 01:46:03,893 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (3 of 71 remaining) [2025-03-14 01:46:03,893 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (2 of 71 remaining) [2025-03-14 01:46:03,893 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (1 of 71 remaining) [2025-03-14 01:46:03,893 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (0 of 71 remaining) [2025-03-14 01:46:03,894 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2025-03-14 01:46:03,894 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-14 01:46:03,897 INFO L241 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2025-03-14 01:46:03,897 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-03-14 01:46:03,901 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.03 01:46:03 BasicIcfg [2025-03-14 01:46:03,901 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-03-14 01:46:03,902 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-03-14 01:46:03,902 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-03-14 01:46:03,902 INFO L274 PluginConnector]: Witness Printer initialized [2025-03-14 01:46:03,902 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 14.03 01:46:01" (3/4) ... [2025-03-14 01:46:03,903 INFO L146 WitnessPrinter]: Generating witness for correct program [2025-03-14 01:46:03,905 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure thread1 [2025-03-14 01:46:03,905 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure thread2 [2025-03-14 01:46:03,908 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2025-03-14 01:46:03,908 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2025-03-14 01:46:03,908 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2025-03-14 01:46:03,908 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2025-03-14 01:46:03,967 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-03-14 01:46:03,967 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2025-03-14 01:46:03,967 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-03-14 01:46:03,968 INFO L158 Benchmark]: Toolchain (without parser) took 3256.72ms. Allocated memory was 142.6MB in the beginning and 176.2MB in the end (delta: 33.6MB). Free memory was 113.1MB in the beginning and 120.4MB in the end (delta: -7.2MB). Peak memory consumption was 22.1MB. Max. memory is 16.1GB. [2025-03-14 01:46:03,968 INFO L158 Benchmark]: CDTParser took 0.51ms. Allocated memory is still 201.3MB. Free memory is still 123.5MB. There was no memory consumed. Max. memory is 16.1GB. [2025-03-14 01:46:03,968 INFO L158 Benchmark]: CACSL2BoogieTranslator took 217.60ms. Allocated memory is still 142.6MB. Free memory was 113.1MB in the beginning and 100.3MB in the end (delta: 12.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-14 01:46:03,968 INFO L158 Benchmark]: Boogie Procedure Inliner took 39.90ms. Allocated memory is still 142.6MB. Free memory was 100.3MB in the beginning and 98.2MB in the end (delta: 2.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-14 01:46:03,968 INFO L158 Benchmark]: Boogie Preprocessor took 43.32ms. Allocated memory is still 142.6MB. Free memory was 98.2MB in the beginning and 96.8MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-14 01:46:03,968 INFO L158 Benchmark]: IcfgBuilder took 750.18ms. Allocated memory is still 142.6MB. Free memory was 96.8MB in the beginning and 101.5MB in the end (delta: -4.8MB). Peak memory consumption was 64.8MB. Max. memory is 16.1GB. [2025-03-14 01:46:03,968 INFO L158 Benchmark]: TraceAbstraction took 2133.82ms. Allocated memory was 142.6MB in the beginning and 176.2MB in the end (delta: 33.6MB). Free memory was 100.7MB in the beginning and 127.3MB in the end (delta: -26.6MB). Peak memory consumption was 84.0MB. Max. memory is 16.1GB. [2025-03-14 01:46:03,968 INFO L158 Benchmark]: Witness Printer took 65.34ms. Allocated memory is still 176.2MB. Free memory was 127.3MB in the beginning and 120.4MB in the end (delta: 6.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-14 01:46:03,969 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.51ms. Allocated memory is still 201.3MB. Free memory is still 123.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 217.60ms. Allocated memory is still 142.6MB. Free memory was 113.1MB in the beginning and 100.3MB in the end (delta: 12.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 39.90ms. Allocated memory is still 142.6MB. Free memory was 100.3MB in the beginning and 98.2MB in the end (delta: 2.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 43.32ms. Allocated memory is still 142.6MB. Free memory was 98.2MB in the beginning and 96.8MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * IcfgBuilder took 750.18ms. Allocated memory is still 142.6MB. Free memory was 96.8MB in the beginning and 101.5MB in the end (delta: -4.8MB). Peak memory consumption was 64.8MB. Max. memory is 16.1GB. * TraceAbstraction took 2133.82ms. Allocated memory was 142.6MB in the beginning and 176.2MB in the end (delta: 33.6MB). Free memory was 100.7MB in the beginning and 127.3MB in the end (delta: -26.6MB). Peak memory consumption was 84.0MB. Max. memory is 16.1GB. * Witness Printer took 65.34ms. Allocated memory is still 176.2MB. Free memory was 127.3MB in the beginning and 120.4MB in the end (delta: 6.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 47]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 55]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 55]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 55]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 56]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 56]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 56]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 57]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 57]: 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: 49]: 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: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: 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: 67]: 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: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 68]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 68]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 68]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 69]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 69]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 71]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 71]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 83]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 84]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 85]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 86]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 86]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 87]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 109]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 87]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 89]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 97]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 97]: 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, 267 locations, 71 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: 2.0s, OverallIterations: 11, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 195 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 79 mSDsluCounter, 31 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 33 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 330 IncrementalHoareTripleChecker+Invalid, 363 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 33 mSolverCounterUnsat, 31 mSDtfsCounter, 330 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 26 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=406occurred in iteration=0, InterpolantAutomatonStates: 36, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 680 NumberOfCodeBlocks, 680 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 669 ConstructedInterpolants, 0 QuantifiedInterpolants, 804 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 11 InterpolantComputations, 11 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 40 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2025-03-14 01:46:03,982 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE