./Ultimate.py --spec ../sv-benchmarks/c/properties/no-data-race.prp --file ../sv-benchmarks/c/pthread/sync01.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version f8ab0bd5 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/pthread/sync01.i -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 8f929a317f167560539ae4b4d441a695b43dc484839e0d977f902275d758b932 --- Real Ultimate output --- This is Ultimate 0.3.0-?-f8ab0bd-m [2025-03-13 21:57:40,387 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-13 21:57:40,443 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2025-03-13 21:57:40,449 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-13 21:57:40,450 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-13 21:57:40,467 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-13 21:57:40,468 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-13 21:57:40,468 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-13 21:57:40,468 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-13 21:57:40,469 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-13 21:57:40,470 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-13 21:57:40,470 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-13 21:57:40,470 INFO L153 SettingsManager]: * Use SBE=true [2025-03-13 21:57:40,470 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-13 21:57:40,470 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-13 21:57:40,471 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-13 21:57:40,471 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-13 21:57:40,471 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-13 21:57:40,471 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-13 21:57:40,471 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-13 21:57:40,471 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-13 21:57:40,471 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-13 21:57:40,472 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2025-03-13 21:57:40,472 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-03-13 21:57:40,472 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-13 21:57:40,472 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-13 21:57:40,472 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-13 21:57:40,472 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-13 21:57:40,472 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-13 21:57:40,472 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-13 21:57:40,472 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-13 21:57:40,472 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-13 21:57:40,472 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-13 21:57:40,472 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-13 21:57:40,472 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-13 21:57:40,473 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-13 21:57:40,473 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-13 21:57:40,473 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-13 21:57:40,473 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-13 21:57:40,473 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-13 21:57:40,473 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-13 21:57:40,473 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-13 21:57:40,473 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 -> 8f929a317f167560539ae4b4d441a695b43dc484839e0d977f902275d758b932 [2025-03-13 21:57:40,727 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-13 21:57:40,735 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-13 21:57:40,739 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-13 21:57:40,740 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-13 21:57:40,740 INFO L274 PluginConnector]: CDTParser initialized [2025-03-13 21:57:40,742 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread/sync01.i [2025-03-13 21:57:41,933 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e018d9e4d/3c19a222f4e44f2a8442659456fe3967/FLAG7127e5a6f [2025-03-13 21:57:42,203 INFO L384 CDTParser]: Found 1 translation units. [2025-03-13 21:57:42,204 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread/sync01.i [2025-03-13 21:57:42,216 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e018d9e4d/3c19a222f4e44f2a8442659456fe3967/FLAG7127e5a6f [2025-03-13 21:57:42,499 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e018d9e4d/3c19a222f4e44f2a8442659456fe3967 [2025-03-13 21:57:42,501 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-13 21:57:42,502 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-13 21:57:42,505 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-13 21:57:42,505 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-13 21:57:42,507 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-13 21:57:42,508 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.03 09:57:42" (1/1) ... [2025-03-13 21:57:42,509 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@345ba104 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.03 09:57:42, skipping insertion in model container [2025-03-13 21:57:42,509 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.03 09:57:42" (1/1) ... [2025-03-13 21:57:42,545 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-13 21:57:42,935 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-13 21:57:42,952 INFO L200 MainTranslator]: Completed pre-run [2025-03-13 21:57:42,989 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-13 21:57:43,045 INFO L204 MainTranslator]: Completed translation [2025-03-13 21:57:43,046 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.03 09:57:43 WrapperNode [2025-03-13 21:57:43,046 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-13 21:57:43,048 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-13 21:57:43,049 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-13 21:57:43,049 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-13 21:57:43,053 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.03 09:57:43" (1/1) ... [2025-03-13 21:57:43,064 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.03 09:57:43" (1/1) ... [2025-03-13 21:57:43,085 INFO L138 Inliner]: procedures = 268, calls = 23, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 260 [2025-03-13 21:57:43,086 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-13 21:57:43,086 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-13 21:57:43,086 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-13 21:57:43,086 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-13 21:57:43,092 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.03 09:57:43" (1/1) ... [2025-03-13 21:57:43,092 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.03 09:57:43" (1/1) ... [2025-03-13 21:57:43,094 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.03 09:57:43" (1/1) ... [2025-03-13 21:57:43,095 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.03 09:57:43" (1/1) ... [2025-03-13 21:57:43,102 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.03 09:57:43" (1/1) ... [2025-03-13 21:57:43,104 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.03 09:57:43" (1/1) ... [2025-03-13 21:57:43,105 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.03 09:57:43" (1/1) ... [2025-03-13 21:57:43,106 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.03 09:57:43" (1/1) ... [2025-03-13 21:57:43,108 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-13 21:57:43,108 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-13 21:57:43,108 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-13 21:57:43,109 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-13 21:57:43,109 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.03 09:57:43" (1/1) ... [2025-03-13 21:57:43,115 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-13 21:57:43,124 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-13 21:57:43,135 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) [2025-03-13 21:57:43,137 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 [2025-03-13 21:57:43,153 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2025-03-13 21:57:43,153 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2025-03-13 21:57:43,153 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2025-03-13 21:57:43,153 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2025-03-13 21:57:43,153 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2025-03-13 21:57:43,154 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2025-03-13 21:57:43,154 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-13 21:57:43,154 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2025-03-13 21:57:43,154 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-13 21:57:43,154 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-13 21:57:43,155 WARN L225 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2025-03-13 21:57:43,282 INFO L256 CfgBuilder]: Building ICFG [2025-03-13 21:57:43,284 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-13 21:57:43,588 INFO L303 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-03-13 21:57:43,589 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-13 21:57:43,589 INFO L318 CfgBuilder]: Performing block encoding [2025-03-13 21:57:43,630 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-13 21:57:43,634 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 13.03 09:57:43 BoogieIcfgContainer [2025-03-13 21:57:43,634 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-13 21:57:43,640 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-13 21:57:43,640 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-13 21:57:43,643 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-13 21:57:43,643 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.03 09:57:42" (1/3) ... [2025-03-13 21:57:43,643 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ecbab3e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.03 09:57:43, skipping insertion in model container [2025-03-13 21:57:43,644 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.03 09:57:43" (2/3) ... [2025-03-13 21:57:43,644 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ecbab3e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.03 09:57:43, skipping insertion in model container [2025-03-13 21:57:43,644 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 13.03 09:57:43" (3/3) ... [2025-03-13 21:57:43,645 INFO L128 eAbstractionObserver]: Analyzing ICFG sync01.i [2025-03-13 21:57:43,657 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-13 21:57:43,659 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG sync01.i that has 3 procedures, 317 locations, 1 initial locations, 2 loop locations, and 8 error locations. [2025-03-13 21:57:43,660 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-03-13 21:57:43,723 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2025-03-13 21:57:43,765 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 323 places, 322 transitions, 658 flow [2025-03-13 21:57:43,863 INFO L124 PetriNetUnfolderBase]: 6/320 cut-off events. [2025-03-13 21:57:43,864 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2025-03-13 21:57:43,870 INFO L83 FinitePrefix]: Finished finitePrefix Result has 329 conditions, 320 events. 6/320 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 140 event pairs, 0 based on Foata normal form. 0/306 useless extension candidates. Maximal degree in co-relation 276. Up to 2 conditions per place. [2025-03-13 21:57:43,870 INFO L82 GeneralOperation]: Start removeDead. Operand has 323 places, 322 transitions, 658 flow [2025-03-13 21:57:43,874 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 310 places, 307 transitions, 626 flow [2025-03-13 21:57:43,881 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-13 21:57:43,894 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;@492e435f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-13 21:57:43,895 INFO L334 AbstractCegarLoop]: Starting to check reachability of 16 error locations. [2025-03-13 21:57:43,933 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2025-03-13 21:57:43,934 INFO L124 PetriNetUnfolderBase]: 0/236 cut-off events. [2025-03-13 21:57:43,934 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-03-13 21:57:43,934 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-13 21:57:43,936 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-13 21:57:43,936 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err0ASSERT_VIOLATIONDATA_RACE, thread2Err2ASSERT_VIOLATIONDATA_RACE (and 12 more)] === [2025-03-13 21:57:43,941 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-13 21:57:43,942 INFO L85 PathProgramCache]: Analyzing trace with hash 1558187563, now seen corresponding path program 1 times [2025-03-13 21:57:43,947 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-13 21:57:43,947 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [984280707] [2025-03-13 21:57:43,947 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-13 21:57:43,948 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-13 21:57:44,037 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 236 statements into 1 equivalence classes. [2025-03-13 21:57:44,110 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 236 of 236 statements. [2025-03-13 21:57:44,111 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-13 21:57:44,111 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-13 21:57:44,348 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-13 21:57:44,350 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-13 21:57:44,351 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [984280707] [2025-03-13 21:57:44,351 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [984280707] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-13 21:57:44,351 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-13 21:57:44,352 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-13 21:57:44,353 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [794373065] [2025-03-13 21:57:44,354 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-13 21:57:44,359 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-13 21:57:44,363 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-13 21:57:44,379 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-13 21:57:44,380 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-13 21:57:44,432 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 291 out of 322 [2025-03-13 21:57:44,435 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 310 places, 307 transitions, 626 flow. Second operand has 3 states, 3 states have (on average 292.3333333333333) internal successors, (877), 3 states have internal predecessors, (877), 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) [2025-03-13 21:57:44,435 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-13 21:57:44,435 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 291 of 322 [2025-03-13 21:57:44,437 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-13 21:57:44,566 INFO L124 PetriNetUnfolderBase]: 72/549 cut-off events. [2025-03-13 21:57:44,566 INFO L125 PetriNetUnfolderBase]: For 33/33 co-relation queries the response was YES. [2025-03-13 21:57:44,569 INFO L83 FinitePrefix]: Finished finitePrefix Result has 728 conditions, 549 events. 72/549 cut-off events. For 33/33 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 1536 event pairs, 54 based on Foata normal form. 0/501 useless extension candidates. Maximal degree in co-relation 428. Up to 149 conditions per place. [2025-03-13 21:57:44,571 INFO L140 encePairwiseOnDemand]: 317/322 looper letters, 22 selfloop transitions, 2 changer transitions 0/304 dead transitions. [2025-03-13 21:57:44,572 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 311 places, 304 transitions, 668 flow [2025-03-13 21:57:44,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-13 21:57:44,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-13 21:57:44,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 900 transitions. [2025-03-13 21:57:44,586 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9316770186335404 [2025-03-13 21:57:44,587 INFO L175 Difference]: Start difference. First operand has 310 places, 307 transitions, 626 flow. Second operand 3 states and 900 transitions. [2025-03-13 21:57:44,587 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 311 places, 304 transitions, 668 flow [2025-03-13 21:57:44,592 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 307 places, 304 transitions, 660 flow, removed 0 selfloop flow, removed 4 redundant places. [2025-03-13 21:57:44,596 INFO L231 Difference]: Finished difference. Result has 307 places, 304 transitions, 616 flow [2025-03-13 21:57:44,599 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=322, PETRI_DIFFERENCE_MINUEND_FLOW=612, PETRI_DIFFERENCE_MINUEND_PLACES=305, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=304, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=302, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=616, PETRI_PLACES=307, PETRI_TRANSITIONS=304} [2025-03-13 21:57:44,603 INFO L279 CegarLoopForPetriNet]: 310 programPoint places, -3 predicate places. [2025-03-13 21:57:44,604 INFO L471 AbstractCegarLoop]: Abstraction has has 307 places, 304 transitions, 616 flow [2025-03-13 21:57:44,605 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 292.3333333333333) internal successors, (877), 3 states have internal predecessors, (877), 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) [2025-03-13 21:57:44,605 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-13 21:57:44,605 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-13 21:57:44,605 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-03-13 21:57:44,605 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting thread1Err2ASSERT_VIOLATIONDATA_RACE === [thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err0ASSERT_VIOLATIONDATA_RACE, thread2Err2ASSERT_VIOLATIONDATA_RACE (and 12 more)] === [2025-03-13 21:57:44,606 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-13 21:57:44,606 INFO L85 PathProgramCache]: Analyzing trace with hash -1292062985, now seen corresponding path program 1 times [2025-03-13 21:57:44,607 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-13 21:57:44,608 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1131806437] [2025-03-13 21:57:44,608 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-13 21:57:44,608 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-13 21:57:44,648 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 247 statements into 1 equivalence classes. [2025-03-13 21:57:44,679 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 247 of 247 statements. [2025-03-13 21:57:44,679 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-13 21:57:44,679 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-13 21:57:44,811 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-13 21:57:44,811 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-13 21:57:44,811 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1131806437] [2025-03-13 21:57:44,811 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1131806437] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-13 21:57:44,811 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-13 21:57:44,811 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-13 21:57:44,811 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1182035563] [2025-03-13 21:57:44,811 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-13 21:57:44,812 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-13 21:57:44,813 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-13 21:57:44,813 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-13 21:57:44,813 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-13 21:57:44,849 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 287 out of 322 [2025-03-13 21:57:44,851 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 307 places, 304 transitions, 616 flow. Second operand has 3 states, 3 states have (on average 288.6666666666667) internal successors, (866), 3 states have internal predecessors, (866), 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) [2025-03-13 21:57:44,851 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-13 21:57:44,851 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 287 of 322 [2025-03-13 21:57:44,851 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-13 21:57:44,996 INFO L124 PetriNetUnfolderBase]: 149/764 cut-off events. [2025-03-13 21:57:44,996 INFO L125 PetriNetUnfolderBase]: For 19/19 co-relation queries the response was YES. [2025-03-13 21:57:44,998 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1090 conditions, 764 events. 149/764 cut-off events. For 19/19 co-relation queries the response was YES. Maximal size of possible extension queue 35. Compared 3076 event pairs, 51 based on Foata normal form. 1/710 useless extension candidates. Maximal degree in co-relation 847. Up to 209 conditions per place. [2025-03-13 21:57:45,002 INFO L140 encePairwiseOnDemand]: 306/322 looper letters, 36 selfloop transitions, 10 changer transitions 2/323 dead transitions. [2025-03-13 21:57:45,003 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 308 places, 323 transitions, 752 flow [2025-03-13 21:57:45,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-13 21:57:45,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-13 21:57:45,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 914 transitions. [2025-03-13 21:57:45,005 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9461697722567288 [2025-03-13 21:57:45,005 INFO L175 Difference]: Start difference. First operand has 307 places, 304 transitions, 616 flow. Second operand 3 states and 914 transitions. [2025-03-13 21:57:45,005 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 308 places, 323 transitions, 752 flow [2025-03-13 21:57:45,008 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 306 places, 323 transitions, 748 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-03-13 21:57:45,028 INFO L231 Difference]: Finished difference. Result has 308 places, 311 transitions, 693 flow [2025-03-13 21:57:45,029 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=322, PETRI_DIFFERENCE_MINUEND_FLOW=610, PETRI_DIFFERENCE_MINUEND_PLACES=304, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=303, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=293, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=693, PETRI_PLACES=308, PETRI_TRANSITIONS=311} [2025-03-13 21:57:45,029 INFO L279 CegarLoopForPetriNet]: 310 programPoint places, -2 predicate places. [2025-03-13 21:57:45,029 INFO L471 AbstractCegarLoop]: Abstraction has has 308 places, 311 transitions, 693 flow [2025-03-13 21:57:45,030 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 288.6666666666667) internal successors, (866), 3 states have internal predecessors, (866), 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) [2025-03-13 21:57:45,030 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-13 21:57:45,030 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-13 21:57:45,030 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-03-13 21:57:45,030 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting thread1Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err0ASSERT_VIOLATIONDATA_RACE, thread2Err2ASSERT_VIOLATIONDATA_RACE (and 12 more)] === [2025-03-13 21:57:45,031 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-13 21:57:45,031 INFO L85 PathProgramCache]: Analyzing trace with hash -366713958, now seen corresponding path program 1 times [2025-03-13 21:57:45,031 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-13 21:57:45,031 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1929478727] [2025-03-13 21:57:45,031 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-13 21:57:45,031 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-13 21:57:45,062 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 255 statements into 1 equivalence classes. [2025-03-13 21:57:45,079 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 255 of 255 statements. [2025-03-13 21:57:45,080 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-13 21:57:45,080 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-13 21:57:45,215 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-13 21:57:45,216 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-13 21:57:45,216 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1929478727] [2025-03-13 21:57:45,216 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1929478727] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-13 21:57:45,216 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-13 21:57:45,216 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-13 21:57:45,216 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [333683045] [2025-03-13 21:57:45,216 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-13 21:57:45,216 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-13 21:57:45,217 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-13 21:57:45,217 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-13 21:57:45,217 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-13 21:57:45,232 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 297 out of 322 [2025-03-13 21:57:45,233 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 308 places, 311 transitions, 693 flow. Second operand has 3 states, 3 states have (on average 299.0) internal successors, (897), 3 states have internal predecessors, (897), 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) [2025-03-13 21:57:45,233 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-13 21:57:45,233 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 297 of 322 [2025-03-13 21:57:45,233 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-13 21:57:45,304 INFO L124 PetriNetUnfolderBase]: 46/489 cut-off events. [2025-03-13 21:57:45,304 INFO L125 PetriNetUnfolderBase]: For 19/19 co-relation queries the response was YES. [2025-03-13 21:57:45,306 INFO L83 FinitePrefix]: Finished finitePrefix Result has 652 conditions, 489 events. 46/489 cut-off events. For 19/19 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 1103 event pairs, 18 based on Foata normal form. 6/477 useless extension candidates. Maximal degree in co-relation 360. Up to 50 conditions per place. [2025-03-13 21:57:45,308 INFO L140 encePairwiseOnDemand]: 318/322 looper letters, 15 selfloop transitions, 2 changer transitions 0/306 dead transitions. [2025-03-13 21:57:45,308 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 304 places, 306 transitions, 701 flow [2025-03-13 21:57:45,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-13 21:57:45,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-13 21:57:45,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 910 transitions. [2025-03-13 21:57:45,313 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9420289855072463 [2025-03-13 21:57:45,313 INFO L175 Difference]: Start difference. First operand has 308 places, 311 transitions, 693 flow. Second operand 3 states and 910 transitions. [2025-03-13 21:57:45,314 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 304 places, 306 transitions, 701 flow [2025-03-13 21:57:45,316 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 302 places, 306 transitions, 687 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-03-13 21:57:45,321 INFO L231 Difference]: Finished difference. Result has 303 places, 303 transitions, 655 flow [2025-03-13 21:57:45,322 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=322, PETRI_DIFFERENCE_MINUEND_FLOW=647, PETRI_DIFFERENCE_MINUEND_PLACES=300, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=303, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=301, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=655, PETRI_PLACES=303, PETRI_TRANSITIONS=303} [2025-03-13 21:57:45,322 INFO L279 CegarLoopForPetriNet]: 310 programPoint places, -7 predicate places. [2025-03-13 21:57:45,322 INFO L471 AbstractCegarLoop]: Abstraction has has 303 places, 303 transitions, 655 flow [2025-03-13 21:57:45,323 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 299.0) internal successors, (897), 3 states have internal predecessors, (897), 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) [2025-03-13 21:57:45,324 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-13 21:57:45,324 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-13 21:57:45,324 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-03-13 21:57:45,324 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting thread2Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err0ASSERT_VIOLATIONDATA_RACE, thread2Err2ASSERT_VIOLATIONDATA_RACE (and 12 more)] === [2025-03-13 21:57:45,325 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-13 21:57:45,326 INFO L85 PathProgramCache]: Analyzing trace with hash -961952953, now seen corresponding path program 1 times [2025-03-13 21:57:45,326 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-13 21:57:45,326 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [150542114] [2025-03-13 21:57:45,326 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-13 21:57:45,326 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-13 21:57:45,359 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 261 statements into 1 equivalence classes. [2025-03-13 21:57:45,375 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 261 of 261 statements. [2025-03-13 21:57:45,376 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-13 21:57:45,376 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-13 21:57:45,445 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-13 21:57:45,446 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-13 21:57:45,446 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [150542114] [2025-03-13 21:57:45,446 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [150542114] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-13 21:57:45,446 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-13 21:57:45,447 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-13 21:57:45,447 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [677472862] [2025-03-13 21:57:45,447 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-13 21:57:45,447 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-13 21:57:45,449 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-13 21:57:45,450 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-13 21:57:45,450 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-13 21:57:45,490 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 293 out of 322 [2025-03-13 21:57:45,491 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 303 places, 303 transitions, 655 flow. Second operand has 3 states, 3 states have (on average 296.0) internal successors, (888), 3 states have internal predecessors, (888), 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) [2025-03-13 21:57:45,491 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-13 21:57:45,492 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 293 of 322 [2025-03-13 21:57:45,492 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-13 21:57:45,589 INFO L124 PetriNetUnfolderBase]: 115/636 cut-off events. [2025-03-13 21:57:45,589 INFO L125 PetriNetUnfolderBase]: For 67/76 co-relation queries the response was YES. [2025-03-13 21:57:45,590 INFO L83 FinitePrefix]: Finished finitePrefix Result has 995 conditions, 636 events. 115/636 cut-off events. For 67/76 co-relation queries the response was YES. Maximal size of possible extension queue 25. Compared 1908 event pairs, 41 based on Foata normal form. 4/602 useless extension candidates. Maximal degree in co-relation 667. Up to 185 conditions per place. [2025-03-13 21:57:45,593 INFO L140 encePairwiseOnDemand]: 315/322 looper letters, 26 selfloop transitions, 10 changer transitions 2/316 dead transitions. [2025-03-13 21:57:45,593 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 305 places, 316 transitions, 770 flow [2025-03-13 21:57:45,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-13 21:57:45,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-13 21:57:45,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 910 transitions. [2025-03-13 21:57:45,596 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9420289855072463 [2025-03-13 21:57:45,596 INFO L175 Difference]: Start difference. First operand has 303 places, 303 transitions, 655 flow. Second operand 3 states and 910 transitions. [2025-03-13 21:57:45,596 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 305 places, 316 transitions, 770 flow [2025-03-13 21:57:45,598 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 303 places, 316 transitions, 766 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-03-13 21:57:45,601 INFO L231 Difference]: Finished difference. Result has 305 places, 311 transitions, 737 flow [2025-03-13 21:57:45,602 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=322, PETRI_DIFFERENCE_MINUEND_FLOW=651, PETRI_DIFFERENCE_MINUEND_PLACES=301, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=303, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=293, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=737, PETRI_PLACES=305, PETRI_TRANSITIONS=311} [2025-03-13 21:57:45,603 INFO L279 CegarLoopForPetriNet]: 310 programPoint places, -5 predicate places. [2025-03-13 21:57:45,603 INFO L471 AbstractCegarLoop]: Abstraction has has 305 places, 311 transitions, 737 flow [2025-03-13 21:57:45,603 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 296.0) internal successors, (888), 3 states have internal predecessors, (888), 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) [2025-03-13 21:57:45,604 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-13 21:57:45,604 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-13 21:57:45,604 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-03-13 21:57:45,604 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting thread1Err2ASSERT_VIOLATIONDATA_RACE === [thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err0ASSERT_VIOLATIONDATA_RACE, thread2Err2ASSERT_VIOLATIONDATA_RACE (and 12 more)] === [2025-03-13 21:57:45,605 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-13 21:57:45,605 INFO L85 PathProgramCache]: Analyzing trace with hash -138973282, now seen corresponding path program 1 times [2025-03-13 21:57:45,605 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-13 21:57:45,605 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1803039031] [2025-03-13 21:57:45,605 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-13 21:57:45,605 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-13 21:57:45,631 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 265 statements into 1 equivalence classes. [2025-03-13 21:57:45,642 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 265 of 265 statements. [2025-03-13 21:57:45,642 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-13 21:57:45,642 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-13 21:57:45,853 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-13 21:57:45,853 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-13 21:57:45,853 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1803039031] [2025-03-13 21:57:45,853 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1803039031] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-13 21:57:45,853 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-13 21:57:45,853 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-13 21:57:45,854 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [216331282] [2025-03-13 21:57:45,854 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-13 21:57:45,854 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-13 21:57:45,854 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-13 21:57:45,855 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-13 21:57:45,855 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-13 21:57:45,867 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 303 out of 322 [2025-03-13 21:57:45,867 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 305 places, 311 transitions, 737 flow. Second operand has 3 states, 3 states have (on average 305.0) internal successors, (915), 3 states have internal predecessors, (915), 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) [2025-03-13 21:57:45,868 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-13 21:57:45,868 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 303 of 322 [2025-03-13 21:57:45,868 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-13 21:57:45,909 INFO L124 PetriNetUnfolderBase]: 6/333 cut-off events. [2025-03-13 21:57:45,909 INFO L125 PetriNetUnfolderBase]: For 15/15 co-relation queries the response was YES. [2025-03-13 21:57:45,910 INFO L83 FinitePrefix]: Finished finitePrefix Result has 405 conditions, 333 events. 6/333 cut-off events. For 15/15 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 148 event pairs, 1 based on Foata normal form. 4/336 useless extension candidates. Maximal degree in co-relation 327. Up to 16 conditions per place. [2025-03-13 21:57:45,910 INFO L140 encePairwiseOnDemand]: 316/322 looper letters, 5 selfloop transitions, 5 changer transitions 8/296 dead transitions. [2025-03-13 21:57:45,911 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 304 places, 296 transitions, 666 flow [2025-03-13 21:57:45,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-13 21:57:45,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-13 21:57:45,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 924 transitions. [2025-03-13 21:57:45,912 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9565217391304348 [2025-03-13 21:57:45,913 INFO L175 Difference]: Start difference. First operand has 305 places, 311 transitions, 737 flow. Second operand 3 states and 924 transitions. [2025-03-13 21:57:45,913 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 304 places, 296 transitions, 666 flow [2025-03-13 21:57:45,915 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 300 places, 296 transitions, 636 flow, removed 11 selfloop flow, removed 4 redundant places. [2025-03-13 21:57:45,917 INFO L231 Difference]: Finished difference. Result has 300 places, 287 transitions, 602 flow [2025-03-13 21:57:45,917 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=322, PETRI_DIFFERENCE_MINUEND_FLOW=609, PETRI_DIFFERENCE_MINUEND_PLACES=298, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=295, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=290, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=602, PETRI_PLACES=300, PETRI_TRANSITIONS=287} [2025-03-13 21:57:45,919 INFO L279 CegarLoopForPetriNet]: 310 programPoint places, -10 predicate places. [2025-03-13 21:57:45,920 INFO L471 AbstractCegarLoop]: Abstraction has has 300 places, 287 transitions, 602 flow [2025-03-13 21:57:45,921 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 305.0) internal successors, (915), 3 states have internal predecessors, (915), 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) [2025-03-13 21:57:45,921 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-13 21:57:45,922 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-13 21:57:45,922 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-03-13 21:57:45,922 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting thread1Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err0ASSERT_VIOLATIONDATA_RACE, thread2Err2ASSERT_VIOLATIONDATA_RACE (and 12 more)] === [2025-03-13 21:57:45,923 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-13 21:57:45,924 INFO L85 PathProgramCache]: Analyzing trace with hash -1091511938, now seen corresponding path program 1 times [2025-03-13 21:57:45,924 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-13 21:57:45,924 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1815752673] [2025-03-13 21:57:45,924 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-13 21:57:45,926 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-13 21:57:45,949 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 277 statements into 1 equivalence classes. [2025-03-13 21:57:45,965 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 277 of 277 statements. [2025-03-13 21:57:45,965 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-13 21:57:45,965 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-13 21:57:46,029 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-13 21:57:46,030 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-13 21:57:46,030 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1815752673] [2025-03-13 21:57:46,030 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1815752673] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-13 21:57:46,030 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-13 21:57:46,030 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-13 21:57:46,030 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1024448607] [2025-03-13 21:57:46,030 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-13 21:57:46,031 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-13 21:57:46,031 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-13 21:57:46,031 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-13 21:57:46,031 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-13 21:57:46,062 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 293 out of 322 [2025-03-13 21:57:46,063 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 300 places, 287 transitions, 602 flow. Second operand has 3 states, 3 states have (on average 297.6666666666667) internal successors, (893), 3 states have internal predecessors, (893), 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) [2025-03-13 21:57:46,063 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-13 21:57:46,063 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 293 of 322 [2025-03-13 21:57:46,063 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-13 21:57:46,092 INFO L124 PetriNetUnfolderBase]: 8/324 cut-off events. [2025-03-13 21:57:46,093 INFO L125 PetriNetUnfolderBase]: For 15/15 co-relation queries the response was YES. [2025-03-13 21:57:46,093 INFO L83 FinitePrefix]: Finished finitePrefix Result has 399 conditions, 324 events. 8/324 cut-off events. For 15/15 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 158 event pairs, 4 based on Foata normal form. 1/323 useless extension candidates. Maximal degree in co-relation 272. Up to 36 conditions per place. [2025-03-13 21:57:46,093 INFO L140 encePairwiseOnDemand]: 320/322 looper letters, 0 selfloop transitions, 0 changer transitions 286/286 dead transitions. [2025-03-13 21:57:46,093 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 293 places, 286 transitions, 634 flow [2025-03-13 21:57:46,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-13 21:57:46,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-13 21:57:46,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 895 transitions. [2025-03-13 21:57:46,095 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9265010351966874 [2025-03-13 21:57:46,095 INFO L175 Difference]: Start difference. First operand has 300 places, 287 transitions, 602 flow. Second operand 3 states and 895 transitions. [2025-03-13 21:57:46,095 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 293 places, 286 transitions, 634 flow [2025-03-13 21:57:46,098 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 292 places, 286 transitions, 629 flow, removed 0 selfloop flow, removed 1 redundant places. [2025-03-13 21:57:46,099 INFO L231 Difference]: Finished difference. Result has 292 places, 0 transitions, 0 flow [2025-03-13 21:57:46,099 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=322, PETRI_DIFFERENCE_MINUEND_FLOW=595, PETRI_DIFFERENCE_MINUEND_PLACES=290, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=286, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=286, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=292, PETRI_TRANSITIONS=0} [2025-03-13 21:57:46,100 INFO L279 CegarLoopForPetriNet]: 310 programPoint places, -18 predicate places. [2025-03-13 21:57:46,101 INFO L471 AbstractCegarLoop]: Abstraction has has 292 places, 0 transitions, 0 flow [2025-03-13 21:57:46,101 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 297.6666666666667) internal successors, (893), 3 states have internal predecessors, (893), 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) [2025-03-13 21:57:46,103 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (15 of 16 remaining) [2025-03-13 21:57:46,103 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (14 of 16 remaining) [2025-03-13 21:57:46,104 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (13 of 16 remaining) [2025-03-13 21:57:46,104 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (12 of 16 remaining) [2025-03-13 21:57:46,104 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (11 of 16 remaining) [2025-03-13 21:57:46,104 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (10 of 16 remaining) [2025-03-13 21:57:46,104 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (9 of 16 remaining) [2025-03-13 21:57:46,104 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (8 of 16 remaining) [2025-03-13 21:57:46,104 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (7 of 16 remaining) [2025-03-13 21:57:46,104 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (6 of 16 remaining) [2025-03-13 21:57:46,104 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (5 of 16 remaining) [2025-03-13 21:57:46,104 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (4 of 16 remaining) [2025-03-13 21:57:46,104 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (3 of 16 remaining) [2025-03-13 21:57:46,104 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (2 of 16 remaining) [2025-03-13 21:57:46,104 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (1 of 16 remaining) [2025-03-13 21:57:46,104 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (0 of 16 remaining) [2025-03-13 21:57:46,104 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2025-03-13 21:57:46,105 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2025-03-13 21:57:46,108 INFO L241 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2025-03-13 21:57:46,108 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-03-13 21:57:46,111 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.03 09:57:46 BasicIcfg [2025-03-13 21:57:46,111 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-03-13 21:57:46,111 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-03-13 21:57:46,112 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-03-13 21:57:46,112 INFO L274 PluginConnector]: Witness Printer initialized [2025-03-13 21:57:46,112 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 13.03 09:57:43" (3/4) ... [2025-03-13 21:57:46,113 INFO L146 WitnessPrinter]: Generating witness for correct program [2025-03-13 21:57:46,115 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure thread1 [2025-03-13 21:57:46,115 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure thread2 [2025-03-13 21:57:46,119 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2025-03-13 21:57:46,119 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2025-03-13 21:57:46,119 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2025-03-13 21:57:46,120 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2025-03-13 21:57:46,185 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-03-13 21:57:46,185 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2025-03-13 21:57:46,185 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-03-13 21:57:46,186 INFO L158 Benchmark]: Toolchain (without parser) took 3683.78ms. Allocated memory was 142.6MB in the beginning and 318.8MB in the end (delta: 176.2MB). Free memory was 104.2MB in the beginning and 165.2MB in the end (delta: -60.9MB). Peak memory consumption was 117.5MB. Max. memory is 16.1GB. [2025-03-13 21:57:46,186 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 201.3MB. Free memory is still 126.9MB. There was no memory consumed. Max. memory is 16.1GB. [2025-03-13 21:57:46,187 INFO L158 Benchmark]: CACSL2BoogieTranslator took 542.30ms. Allocated memory is still 142.6MB. Free memory was 103.3MB in the beginning and 74.4MB in the end (delta: 28.9MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2025-03-13 21:57:46,187 INFO L158 Benchmark]: Boogie Procedure Inliner took 37.16ms. Allocated memory is still 142.6MB. Free memory was 74.4MB in the beginning and 71.6MB in the end (delta: 2.8MB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-13 21:57:46,187 INFO L158 Benchmark]: Boogie Preprocessor took 21.81ms. Allocated memory is still 142.6MB. Free memory was 71.6MB in the beginning and 69.7MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-13 21:57:46,188 INFO L158 Benchmark]: IcfgBuilder took 525.42ms. Allocated memory is still 142.6MB. Free memory was 69.7MB in the beginning and 43.2MB in the end (delta: 26.4MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2025-03-13 21:57:46,188 INFO L158 Benchmark]: TraceAbstraction took 2471.56ms. Allocated memory was 142.6MB in the beginning and 318.8MB in the end (delta: 176.2MB). Free memory was 42.7MB in the beginning and 173.6MB in the end (delta: -130.8MB). Peak memory consumption was 50.4MB. Max. memory is 16.1GB. [2025-03-13 21:57:46,188 INFO L158 Benchmark]: Witness Printer took 73.86ms. Allocated memory is still 318.8MB. Free memory was 173.6MB in the beginning and 165.2MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-13 21:57:46,189 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 201.3MB. Free memory is still 126.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 542.30ms. Allocated memory is still 142.6MB. Free memory was 103.3MB in the beginning and 74.4MB in the end (delta: 28.9MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 37.16ms. Allocated memory is still 142.6MB. Free memory was 74.4MB in the beginning and 71.6MB in the end (delta: 2.8MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 21.81ms. Allocated memory is still 142.6MB. Free memory was 71.6MB in the beginning and 69.7MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. * IcfgBuilder took 525.42ms. Allocated memory is still 142.6MB. Free memory was 69.7MB in the beginning and 43.2MB in the end (delta: 26.4MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * TraceAbstraction took 2471.56ms. Allocated memory was 142.6MB in the beginning and 318.8MB in the end (delta: 176.2MB). Free memory was 42.7MB in the beginning and 173.6MB in the end (delta: -130.8MB). Peak memory consumption was 50.4MB. Max. memory is 16.1GB. * Witness Printer took 73.86ms. Allocated memory is still 318.8MB. Free memory was 173.6MB in the beginning and 165.2MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 936]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 938]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 938]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 946]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 948]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 948]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 956]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 964]: 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, 369 locations, 16 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: 2.4s, OverallIterations: 6, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 239 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 84 mSDsluCounter, 62 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 23 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 320 IncrementalHoareTripleChecker+Invalid, 343 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 23 mSolverCounterUnsat, 62 mSDtfsCounter, 320 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 15 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=737occurred in iteration=4, InterpolantAutomatonStates: 18, 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: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 1541 NumberOfCodeBlocks, 1541 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 1535 ConstructedInterpolants, 0 QuantifiedInterpolants, 1585 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 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 8 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2025-03-13 21:57:46,205 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE