./Ultimate.py --spec ../sv-benchmarks/c/properties/no-data-race.prp --file ../sv-benchmarks/c/pthread-atomic/szymanski.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 3289d67d Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/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_1.5.800.v20200727-1323.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-atomic/szymanski.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 a3cd4be37ada319d324d40d8d6c18fff519996a186a93f33b3070275487295e3 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-3289d67-m [2024-11-16 23:12:34,360 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-16 23:12:34,425 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-16 23:12:34,429 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-16 23:12:34,429 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-16 23:12:34,446 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-16 23:12:34,447 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-16 23:12:34,447 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-16 23:12:34,448 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-16 23:12:34,448 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-16 23:12:34,448 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-16 23:12:34,449 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-16 23:12:34,449 INFO L153 SettingsManager]: * Use SBE=true [2024-11-16 23:12:34,450 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-16 23:12:34,450 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-16 23:12:34,450 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-16 23:12:34,451 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-16 23:12:34,453 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-16 23:12:34,453 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-16 23:12:34,453 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-16 23:12:34,453 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-16 23:12:34,455 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-16 23:12:34,455 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-16 23:12:34,455 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-16 23:12:34,455 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-16 23:12:34,456 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-16 23:12:34,456 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-16 23:12:34,456 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-16 23:12:34,457 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-16 23:12:34,457 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-16 23:12:34,457 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-16 23:12:34,458 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 23:12:34,458 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-16 23:12:34,458 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-16 23:12:34,458 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-16 23:12:34,459 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-16 23:12:34,459 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-16 23:12:34,459 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-16 23:12:34,459 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-16 23:12:34,460 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-16 23:12:34,460 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-16 23:12:34,460 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a3cd4be37ada319d324d40d8d6c18fff519996a186a93f33b3070275487295e3 [2024-11-16 23:12:34,717 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-16 23:12:34,745 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-16 23:12:34,748 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-16 23:12:34,749 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-16 23:12:34,751 INFO L274 PluginConnector]: CDTParser initialized [2024-11-16 23:12:34,753 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-atomic/szymanski.i [2024-11-16 23:12:36,143 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-16 23:12:36,449 INFO L384 CDTParser]: Found 1 translation units. [2024-11-16 23:12:36,450 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-atomic/szymanski.i [2024-11-16 23:12:36,470 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dd6441cfd/ab5e2d9f6d6d48c5a9fecd4ffe8dac2f/FLAG2382633a6 [2024-11-16 23:12:36,487 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dd6441cfd/ab5e2d9f6d6d48c5a9fecd4ffe8dac2f [2024-11-16 23:12:36,490 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-16 23:12:36,492 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-16 23:12:36,494 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-16 23:12:36,495 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-16 23:12:36,501 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-16 23:12:36,502 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 11:12:36" (1/1) ... [2024-11-16 23:12:36,504 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1af3d09b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:12:36, skipping insertion in model container [2024-11-16 23:12:36,504 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 11:12:36" (1/1) ... [2024-11-16 23:12:36,558 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-16 23:12:36,951 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 23:12:36,962 INFO L200 MainTranslator]: Completed pre-run [2024-11-16 23:12:37,021 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 23:12:37,064 INFO L204 MainTranslator]: Completed translation [2024-11-16 23:12:37,064 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:12:37 WrapperNode [2024-11-16 23:12:37,064 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-16 23:12:37,066 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-16 23:12:37,066 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-16 23:12:37,066 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-16 23:12:37,073 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:12:37" (1/1) ... [2024-11-16 23:12:37,090 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:12:37" (1/1) ... [2024-11-16 23:12:37,112 INFO L138 Inliner]: procedures = 166, calls = 10, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 105 [2024-11-16 23:12:37,113 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-16 23:12:37,114 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-16 23:12:37,114 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-16 23:12:37,114 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-16 23:12:37,122 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:12:37" (1/1) ... [2024-11-16 23:12:37,123 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:12:37" (1/1) ... [2024-11-16 23:12:37,127 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:12:37" (1/1) ... [2024-11-16 23:12:37,128 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:12:37" (1/1) ... [2024-11-16 23:12:37,133 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:12:37" (1/1) ... [2024-11-16 23:12:37,133 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:12:37" (1/1) ... [2024-11-16 23:12:37,135 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:12:37" (1/1) ... [2024-11-16 23:12:37,136 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:12:37" (1/1) ... [2024-11-16 23:12:37,142 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-16 23:12:37,143 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-16 23:12:37,143 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-16 23:12:37,143 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-16 23:12:37,144 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:12:37" (1/1) ... [2024-11-16 23:12:37,151 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 23:12:37,163 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 23:12:37,179 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) [2024-11-16 23:12:37,182 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 [2024-11-16 23:12:37,232 INFO L130 BoogieDeclarations]: Found specification of procedure thr2 [2024-11-16 23:12:37,232 INFO L138 BoogieDeclarations]: Found implementation of procedure thr2 [2024-11-16 23:12:37,233 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2024-11-16 23:12:37,233 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2024-11-16 23:12:37,233 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-16 23:12:37,234 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-16 23:12:37,234 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-16 23:12:37,234 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-16 23:12:37,236 WARN L225 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-16 23:12:37,426 INFO L256 CfgBuilder]: Building ICFG [2024-11-16 23:12:37,429 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-16 23:12:37,586 INFO L303 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-16 23:12:37,586 INFO L307 CfgBuilder]: Performing block encoding [2024-11-16 23:12:37,611 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-16 23:12:37,611 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-16 23:12:37,612 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 11:12:37 BoogieIcfgContainer [2024-11-16 23:12:37,612 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-16 23:12:37,616 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-16 23:12:37,617 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-16 23:12:37,620 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-16 23:12:37,621 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 11:12:36" (1/3) ... [2024-11-16 23:12:37,621 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2df08c70 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 11:12:37, skipping insertion in model container [2024-11-16 23:12:37,621 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:12:37" (2/3) ... [2024-11-16 23:12:37,622 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2df08c70 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 11:12:37, skipping insertion in model container [2024-11-16 23:12:37,622 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 11:12:37" (3/3) ... [2024-11-16 23:12:37,624 INFO L112 eAbstractionObserver]: Analyzing ICFG szymanski.i [2024-11-16 23:12:37,640 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-16 23:12:37,640 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2024-11-16 23:12:37,641 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-16 23:12:37,717 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-11-16 23:12:37,758 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 102 places, 117 transitions, 248 flow [2024-11-16 23:12:37,796 INFO L124 PetriNetUnfolderBase]: 22/115 cut-off events. [2024-11-16 23:12:37,796 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-11-16 23:12:37,804 INFO L83 FinitePrefix]: Finished finitePrefix Result has 124 conditions, 115 events. 22/115 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 179 event pairs, 0 based on Foata normal form. 0/89 useless extension candidates. Maximal degree in co-relation 94. Up to 3 conditions per place. [2024-11-16 23:12:37,805 INFO L82 GeneralOperation]: Start removeDead. Operand has 102 places, 117 transitions, 248 flow [2024-11-16 23:12:37,809 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 95 places, 110 transitions, 229 flow [2024-11-16 23:12:37,817 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-16 23:12:37,823 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;@4e652a4e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-16 23:12:37,823 INFO L334 AbstractCegarLoop]: Starting to check reachability of 10 error locations. [2024-11-16 23:12:37,837 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-16 23:12:37,837 INFO L124 PetriNetUnfolderBase]: 9/57 cut-off events. [2024-11-16 23:12:37,837 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-16 23:12:37,838 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:12:37,838 INFO L204 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] [2024-11-16 23:12:37,839 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting thr1Err1ASSERT_VIOLATIONDATA_RACE === [thr2Err1ASSERT_VIOLATIONDATA_RACE, thr2Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err0ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2024-11-16 23:12:37,844 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:12:37,844 INFO L85 PathProgramCache]: Analyzing trace with hash 1372911369, now seen corresponding path program 1 times [2024-11-16 23:12:37,853 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:12:37,854 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1510237473] [2024-11-16 23:12:37,854 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:12:37,855 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:12:37,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:12:38,050 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:12:38,051 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:12:38,051 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1510237473] [2024-11-16 23:12:38,052 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1510237473] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:12:38,052 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:12:38,052 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 23:12:38,053 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1135837264] [2024-11-16 23:12:38,054 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:12:38,062 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-16 23:12:38,070 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:12:38,093 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-16 23:12:38,094 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-16 23:12:38,097 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 91 out of 117 [2024-11-16 23:12:38,100 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 95 places, 110 transitions, 229 flow. Second operand has 2 states, 2 states have (on average 94.0) internal successors, (188), 2 states have internal predecessors, (188), 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) [2024-11-16 23:12:38,101 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:12:38,101 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 91 of 117 [2024-11-16 23:12:38,102 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:12:38,206 INFO L124 PetriNetUnfolderBase]: 75/340 cut-off events. [2024-11-16 23:12:38,207 INFO L125 PetriNetUnfolderBase]: For 25/25 co-relation queries the response was YES. [2024-11-16 23:12:38,210 INFO L83 FinitePrefix]: Finished finitePrefix Result has 447 conditions, 340 events. 75/340 cut-off events. For 25/25 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 1460 event pairs, 35 based on Foata normal form. 72/342 useless extension candidates. Maximal degree in co-relation 395. Up to 84 conditions per place. [2024-11-16 23:12:38,214 INFO L140 encePairwiseOnDemand]: 105/117 looper letters, 13 selfloop transitions, 0 changer transitions 0/96 dead transitions. [2024-11-16 23:12:38,214 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 94 places, 96 transitions, 227 flow [2024-11-16 23:12:38,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-16 23:12:38,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2024-11-16 23:12:38,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 207 transitions. [2024-11-16 23:12:38,233 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8846153846153846 [2024-11-16 23:12:38,235 INFO L175 Difference]: Start difference. First operand has 95 places, 110 transitions, 229 flow. Second operand 2 states and 207 transitions. [2024-11-16 23:12:38,236 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 94 places, 96 transitions, 227 flow [2024-11-16 23:12:38,240 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 91 places, 96 transitions, 222 flow, removed 0 selfloop flow, removed 3 redundant places. [2024-11-16 23:12:38,243 INFO L231 Difference]: Finished difference. Result has 91 places, 96 transitions, 196 flow [2024-11-16 23:12:38,247 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=117, PETRI_DIFFERENCE_MINUEND_FLOW=196, PETRI_DIFFERENCE_MINUEND_PLACES=90, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=96, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=96, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=196, PETRI_PLACES=91, PETRI_TRANSITIONS=96} [2024-11-16 23:12:38,251 INFO L277 CegarLoopForPetriNet]: 95 programPoint places, -4 predicate places. [2024-11-16 23:12:38,252 INFO L471 AbstractCegarLoop]: Abstraction has has 91 places, 96 transitions, 196 flow [2024-11-16 23:12:38,253 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 94.0) internal successors, (188), 2 states have internal predecessors, (188), 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) [2024-11-16 23:12:38,253 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:12:38,253 INFO L204 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] [2024-11-16 23:12:38,254 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-16 23:12:38,254 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting thr1Err1ASSERT_VIOLATIONDATA_RACE === [thr2Err1ASSERT_VIOLATIONDATA_RACE, thr2Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err0ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2024-11-16 23:12:38,255 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:12:38,256 INFO L85 PathProgramCache]: Analyzing trace with hash -592480246, now seen corresponding path program 1 times [2024-11-16 23:12:38,257 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:12:38,257 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1454004712] [2024-11-16 23:12:38,257 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:12:38,257 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:12:38,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:12:38,359 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:12:38,360 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:12:38,360 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1454004712] [2024-11-16 23:12:38,361 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1454004712] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:12:38,361 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:12:38,361 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 23:12:38,361 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1974732052] [2024-11-16 23:12:38,362 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:12:38,363 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:12:38,364 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:12:38,365 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:12:38,365 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:12:38,408 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 83 out of 117 [2024-11-16 23:12:38,409 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 91 places, 96 transitions, 196 flow. Second operand has 3 states, 3 states have (on average 85.33333333333333) internal successors, (256), 3 states have internal predecessors, (256), 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) [2024-11-16 23:12:38,409 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:12:38,409 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 83 of 117 [2024-11-16 23:12:38,409 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:12:38,558 INFO L124 PetriNetUnfolderBase]: 145/496 cut-off events. [2024-11-16 23:12:38,558 INFO L125 PetriNetUnfolderBase]: For 8/8 co-relation queries the response was YES. [2024-11-16 23:12:38,565 INFO L83 FinitePrefix]: Finished finitePrefix Result has 731 conditions, 496 events. 145/496 cut-off events. For 8/8 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 2587 event pairs, 72 based on Foata normal form. 0/407 useless extension candidates. Maximal degree in co-relation 728. Up to 177 conditions per place. [2024-11-16 23:12:38,570 INFO L140 encePairwiseOnDemand]: 111/117 looper letters, 26 selfloop transitions, 5 changer transitions 0/106 dead transitions. [2024-11-16 23:12:38,570 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 93 places, 106 transitions, 280 flow [2024-11-16 23:12:38,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:12:38,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:12:38,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 281 transitions. [2024-11-16 23:12:38,574 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8005698005698005 [2024-11-16 23:12:38,574 INFO L175 Difference]: Start difference. First operand has 91 places, 96 transitions, 196 flow. Second operand 3 states and 281 transitions. [2024-11-16 23:12:38,575 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 93 places, 106 transitions, 280 flow [2024-11-16 23:12:38,578 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 93 places, 106 transitions, 280 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-16 23:12:38,582 INFO L231 Difference]: Finished difference. Result has 95 places, 100 transitions, 234 flow [2024-11-16 23:12:38,582 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=117, PETRI_DIFFERENCE_MINUEND_FLOW=196, PETRI_DIFFERENCE_MINUEND_PLACES=91, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=96, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=91, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=234, PETRI_PLACES=95, PETRI_TRANSITIONS=100} [2024-11-16 23:12:38,583 INFO L277 CegarLoopForPetriNet]: 95 programPoint places, 0 predicate places. [2024-11-16 23:12:38,583 INFO L471 AbstractCegarLoop]: Abstraction has has 95 places, 100 transitions, 234 flow [2024-11-16 23:12:38,584 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 85.33333333333333) internal successors, (256), 3 states have internal predecessors, (256), 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) [2024-11-16 23:12:38,584 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:12:38,584 INFO L204 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] [2024-11-16 23:12:38,585 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-16 23:12:38,585 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting thr1Err0ASSERT_VIOLATIONDATA_RACE === [thr2Err1ASSERT_VIOLATIONDATA_RACE, thr2Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err0ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2024-11-16 23:12:38,586 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:12:38,586 INFO L85 PathProgramCache]: Analyzing trace with hash 1736862998, now seen corresponding path program 1 times [2024-11-16 23:12:38,586 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:12:38,587 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [836661590] [2024-11-16 23:12:38,587 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:12:38,587 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:12:38,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:12:38,679 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:12:38,681 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:12:38,681 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [836661590] [2024-11-16 23:12:38,681 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [836661590] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:12:38,681 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:12:38,681 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 23:12:38,682 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1363784120] [2024-11-16 23:12:38,682 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:12:38,682 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:12:38,682 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:12:38,683 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:12:38,683 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:12:38,708 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 83 out of 117 [2024-11-16 23:12:38,709 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 95 places, 100 transitions, 234 flow. Second operand has 3 states, 3 states have (on average 85.33333333333333) internal successors, (256), 3 states have internal predecessors, (256), 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) [2024-11-16 23:12:38,709 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:12:38,709 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 83 of 117 [2024-11-16 23:12:38,709 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:12:38,819 INFO L124 PetriNetUnfolderBase]: 147/589 cut-off events. [2024-11-16 23:12:38,820 INFO L125 PetriNetUnfolderBase]: For 75/77 co-relation queries the response was YES. [2024-11-16 23:12:38,822 INFO L83 FinitePrefix]: Finished finitePrefix Result has 923 conditions, 589 events. 147/589 cut-off events. For 75/77 co-relation queries the response was YES. Maximal size of possible extension queue 28. Compared 3211 event pairs, 39 based on Foata normal form. 0/497 useless extension candidates. Maximal degree in co-relation 918. Up to 128 conditions per place. [2024-11-16 23:12:38,829 INFO L140 encePairwiseOnDemand]: 109/117 looper letters, 34 selfloop transitions, 7 changer transitions 0/118 dead transitions. [2024-11-16 23:12:38,830 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 97 places, 118 transitions, 363 flow [2024-11-16 23:12:38,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:12:38,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:12:38,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 290 transitions. [2024-11-16 23:12:38,832 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8262108262108262 [2024-11-16 23:12:38,835 INFO L175 Difference]: Start difference. First operand has 95 places, 100 transitions, 234 flow. Second operand 3 states and 290 transitions. [2024-11-16 23:12:38,835 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 97 places, 118 transitions, 363 flow [2024-11-16 23:12:38,837 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 95 places, 118 transitions, 351 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-16 23:12:38,839 INFO L231 Difference]: Finished difference. Result has 97 places, 106 transitions, 286 flow [2024-11-16 23:12:38,841 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=117, PETRI_DIFFERENCE_MINUEND_FLOW=224, PETRI_DIFFERENCE_MINUEND_PLACES=93, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=100, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=93, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=286, PETRI_PLACES=97, PETRI_TRANSITIONS=106} [2024-11-16 23:12:38,842 INFO L277 CegarLoopForPetriNet]: 95 programPoint places, 2 predicate places. [2024-11-16 23:12:38,842 INFO L471 AbstractCegarLoop]: Abstraction has has 97 places, 106 transitions, 286 flow [2024-11-16 23:12:38,842 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 85.33333333333333) internal successors, (256), 3 states have internal predecessors, (256), 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) [2024-11-16 23:12:38,843 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:12:38,843 INFO L204 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] [2024-11-16 23:12:38,843 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-16 23:12:38,844 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting thr2Err1ASSERT_VIOLATIONDATA_RACE === [thr2Err1ASSERT_VIOLATIONDATA_RACE, thr2Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err0ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2024-11-16 23:12:38,845 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:12:38,845 INFO L85 PathProgramCache]: Analyzing trace with hash 44664564, now seen corresponding path program 1 times [2024-11-16 23:12:38,845 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:12:38,846 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1402482702] [2024-11-16 23:12:38,846 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:12:38,846 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:12:38,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:12:38,907 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:12:38,907 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:12:38,908 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1402482702] [2024-11-16 23:12:38,908 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1402482702] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:12:38,908 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:12:38,908 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 23:12:38,909 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [519147072] [2024-11-16 23:12:38,909 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:12:38,909 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:12:38,910 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:12:38,911 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:12:38,911 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:12:38,938 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 83 out of 117 [2024-11-16 23:12:38,939 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 97 places, 106 transitions, 286 flow. Second operand has 3 states, 3 states have (on average 85.66666666666667) internal successors, (257), 3 states have internal predecessors, (257), 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) [2024-11-16 23:12:38,939 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:12:38,939 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 83 of 117 [2024-11-16 23:12:38,939 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:12:39,035 INFO L124 PetriNetUnfolderBase]: 180/694 cut-off events. [2024-11-16 23:12:39,036 INFO L125 PetriNetUnfolderBase]: For 215/223 co-relation queries the response was YES. [2024-11-16 23:12:39,040 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1208 conditions, 694 events. 180/694 cut-off events. For 215/223 co-relation queries the response was YES. Maximal size of possible extension queue 30. Compared 4000 event pairs, 73 based on Foata normal form. 0/587 useless extension candidates. Maximal degree in co-relation 1202. Up to 222 conditions per place. [2024-11-16 23:12:39,043 INFO L140 encePairwiseOnDemand]: 111/117 looper letters, 26 selfloop transitions, 7 changer transitions 6/116 dead transitions. [2024-11-16 23:12:39,043 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 99 places, 116 transitions, 389 flow [2024-11-16 23:12:39,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:12:39,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:12:39,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 281 transitions. [2024-11-16 23:12:39,045 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8005698005698005 [2024-11-16 23:12:39,045 INFO L175 Difference]: Start difference. First operand has 97 places, 106 transitions, 286 flow. Second operand 3 states and 281 transitions. [2024-11-16 23:12:39,045 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 99 places, 116 transitions, 389 flow [2024-11-16 23:12:39,049 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 97 places, 116 transitions, 373 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-16 23:12:39,051 INFO L231 Difference]: Finished difference. Result has 99 places, 106 transitions, 306 flow [2024-11-16 23:12:39,052 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=117, PETRI_DIFFERENCE_MINUEND_FLOW=272, PETRI_DIFFERENCE_MINUEND_PLACES=95, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=106, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=99, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=306, PETRI_PLACES=99, PETRI_TRANSITIONS=106} [2024-11-16 23:12:39,053 INFO L277 CegarLoopForPetriNet]: 95 programPoint places, 4 predicate places. [2024-11-16 23:12:39,053 INFO L471 AbstractCegarLoop]: Abstraction has has 99 places, 106 transitions, 306 flow [2024-11-16 23:12:39,054 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 85.66666666666667) internal successors, (257), 3 states have internal predecessors, (257), 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) [2024-11-16 23:12:39,054 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:12:39,054 INFO L204 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] [2024-11-16 23:12:39,054 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-16 23:12:39,055 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting thr1Err1ASSERT_VIOLATIONDATA_RACE === [thr2Err1ASSERT_VIOLATIONDATA_RACE, thr2Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err0ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2024-11-16 23:12:39,055 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:12:39,057 INFO L85 PathProgramCache]: Analyzing trace with hash -207862455, now seen corresponding path program 1 times [2024-11-16 23:12:39,057 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:12:39,057 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [645634062] [2024-11-16 23:12:39,058 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:12:39,058 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:12:39,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:12:39,140 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:12:39,140 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:12:39,140 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [645634062] [2024-11-16 23:12:39,141 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [645634062] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:12:39,141 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:12:39,141 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-16 23:12:39,141 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [483426486] [2024-11-16 23:12:39,141 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:12:39,142 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:12:39,142 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:12:39,143 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:12:39,143 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:12:39,160 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 85 out of 117 [2024-11-16 23:12:39,161 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 99 places, 106 transitions, 306 flow. Second operand has 3 states, 3 states have (on average 88.66666666666667) internal successors, (266), 3 states have internal predecessors, (266), 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) [2024-11-16 23:12:39,161 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:12:39,161 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 85 of 117 [2024-11-16 23:12:39,161 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:12:39,283 INFO L124 PetriNetUnfolderBase]: 146/695 cut-off events. [2024-11-16 23:12:39,283 INFO L125 PetriNetUnfolderBase]: For 176/192 co-relation queries the response was YES. [2024-11-16 23:12:39,286 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1183 conditions, 695 events. 146/695 cut-off events. For 176/192 co-relation queries the response was YES. Maximal size of possible extension queue 30. Compared 4080 event pairs, 47 based on Foata normal form. 14/641 useless extension candidates. Maximal degree in co-relation 1176. Up to 126 conditions per place. [2024-11-16 23:12:39,288 INFO L140 encePairwiseOnDemand]: 107/117 looper letters, 25 selfloop transitions, 6 changer transitions 0/118 dead transitions. [2024-11-16 23:12:39,288 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 101 places, 118 transitions, 395 flow [2024-11-16 23:12:39,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:12:39,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:12:39,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 290 transitions. [2024-11-16 23:12:39,290 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8262108262108262 [2024-11-16 23:12:39,290 INFO L175 Difference]: Start difference. First operand has 99 places, 106 transitions, 306 flow. Second operand 3 states and 290 transitions. [2024-11-16 23:12:39,290 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 101 places, 118 transitions, 395 flow [2024-11-16 23:12:39,293 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 99 places, 118 transitions, 381 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-16 23:12:39,295 INFO L231 Difference]: Finished difference. Result has 101 places, 111 transitions, 344 flow [2024-11-16 23:12:39,295 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=117, PETRI_DIFFERENCE_MINUEND_FLOW=292, PETRI_DIFFERENCE_MINUEND_PLACES=97, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=106, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=100, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=344, PETRI_PLACES=101, PETRI_TRANSITIONS=111} [2024-11-16 23:12:39,296 INFO L277 CegarLoopForPetriNet]: 95 programPoint places, 6 predicate places. [2024-11-16 23:12:39,296 INFO L471 AbstractCegarLoop]: Abstraction has has 101 places, 111 transitions, 344 flow [2024-11-16 23:12:39,296 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 88.66666666666667) internal successors, (266), 3 states have internal predecessors, (266), 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) [2024-11-16 23:12:39,297 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:12:39,297 INFO L204 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] [2024-11-16 23:12:39,297 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-16 23:12:39,297 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting thr1Err1ASSERT_VIOLATIONDATA_RACE === [thr2Err1ASSERT_VIOLATIONDATA_RACE, thr2Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err0ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2024-11-16 23:12:39,298 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:12:39,298 INFO L85 PathProgramCache]: Analyzing trace with hash -651797623, now seen corresponding path program 2 times [2024-11-16 23:12:39,298 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:12:39,298 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1352958302] [2024-11-16 23:12:39,298 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:12:39,299 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:12:39,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:12:39,361 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:12:39,361 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:12:39,362 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1352958302] [2024-11-16 23:12:39,362 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1352958302] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:12:39,362 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:12:39,362 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-16 23:12:39,362 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1503532339] [2024-11-16 23:12:39,363 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:12:39,363 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:12:39,363 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:12:39,364 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:12:39,364 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:12:39,381 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 85 out of 117 [2024-11-16 23:12:39,382 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 101 places, 111 transitions, 344 flow. Second operand has 3 states, 3 states have (on average 88.66666666666667) internal successors, (266), 3 states have internal predecessors, (266), 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) [2024-11-16 23:12:39,382 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:12:39,382 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 85 of 117 [2024-11-16 23:12:39,382 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:12:39,485 INFO L124 PetriNetUnfolderBase]: 165/749 cut-off events. [2024-11-16 23:12:39,486 INFO L125 PetriNetUnfolderBase]: For 304/322 co-relation queries the response was YES. [2024-11-16 23:12:39,489 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1390 conditions, 749 events. 165/749 cut-off events. For 304/322 co-relation queries the response was YES. Maximal size of possible extension queue 33. Compared 4440 event pairs, 39 based on Foata normal form. 8/671 useless extension candidates. Maximal degree in co-relation 1382. Up to 101 conditions per place. [2024-11-16 23:12:39,491 INFO L140 encePairwiseOnDemand]: 107/117 looper letters, 27 selfloop transitions, 9 changer transitions 0/123 dead transitions. [2024-11-16 23:12:39,491 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 103 places, 123 transitions, 455 flow [2024-11-16 23:12:39,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:12:39,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:12:39,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 289 transitions. [2024-11-16 23:12:39,493 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8233618233618234 [2024-11-16 23:12:39,493 INFO L175 Difference]: Start difference. First operand has 101 places, 111 transitions, 344 flow. Second operand 3 states and 289 transitions. [2024-11-16 23:12:39,493 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 103 places, 123 transitions, 455 flow [2024-11-16 23:12:39,496 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 101 places, 123 transitions, 439 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-16 23:12:39,497 INFO L231 Difference]: Finished difference. Result has 103 places, 116 transitions, 402 flow [2024-11-16 23:12:39,498 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=117, PETRI_DIFFERENCE_MINUEND_FLOW=332, PETRI_DIFFERENCE_MINUEND_PLACES=99, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=111, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=102, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=402, PETRI_PLACES=103, PETRI_TRANSITIONS=116} [2024-11-16 23:12:39,498 INFO L277 CegarLoopForPetriNet]: 95 programPoint places, 8 predicate places. [2024-11-16 23:12:39,499 INFO L471 AbstractCegarLoop]: Abstraction has has 103 places, 116 transitions, 402 flow [2024-11-16 23:12:39,499 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 88.66666666666667) internal successors, (266), 3 states have internal predecessors, (266), 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) [2024-11-16 23:12:39,499 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:12:39,499 INFO L204 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] [2024-11-16 23:12:39,500 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-16 23:12:39,500 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting thr1Err1ASSERT_VIOLATIONDATA_RACE === [thr2Err1ASSERT_VIOLATIONDATA_RACE, thr2Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err0ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2024-11-16 23:12:39,500 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:12:39,500 INFO L85 PathProgramCache]: Analyzing trace with hash 746720339, now seen corresponding path program 3 times [2024-11-16 23:12:39,500 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:12:39,501 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1893428011] [2024-11-16 23:12:39,501 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:12:39,501 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:12:39,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:12:39,547 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:12:39,547 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:12:39,548 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1893428011] [2024-11-16 23:12:39,548 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1893428011] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:12:39,548 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:12:39,548 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-16 23:12:39,548 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2082652962] [2024-11-16 23:12:39,548 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:12:39,549 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:12:39,549 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:12:39,550 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:12:39,550 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:12:39,565 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 84 out of 117 [2024-11-16 23:12:39,566 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 103 places, 116 transitions, 402 flow. Second operand has 3 states, 3 states have (on average 87.33333333333333) internal successors, (262), 3 states have internal predecessors, (262), 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) [2024-11-16 23:12:39,566 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:12:39,567 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 84 of 117 [2024-11-16 23:12:39,567 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:12:39,661 INFO L124 PetriNetUnfolderBase]: 164/731 cut-off events. [2024-11-16 23:12:39,662 INFO L125 PetriNetUnfolderBase]: For 549/580 co-relation queries the response was YES. [2024-11-16 23:12:39,664 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1466 conditions, 731 events. 164/731 cut-off events. For 549/580 co-relation queries the response was YES. Maximal size of possible extension queue 34. Compared 4216 event pairs, 41 based on Foata normal form. 10/647 useless extension candidates. Maximal degree in co-relation 1457. Up to 166 conditions per place. [2024-11-16 23:12:39,666 INFO L140 encePairwiseOnDemand]: 108/117 looper letters, 31 selfloop transitions, 5 changer transitions 1/123 dead transitions. [2024-11-16 23:12:39,667 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 105 places, 123 transitions, 495 flow [2024-11-16 23:12:39,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:12:39,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:12:39,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 287 transitions. [2024-11-16 23:12:39,668 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8176638176638177 [2024-11-16 23:12:39,668 INFO L175 Difference]: Start difference. First operand has 103 places, 116 transitions, 402 flow. Second operand 3 states and 287 transitions. [2024-11-16 23:12:39,668 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 105 places, 123 transitions, 495 flow [2024-11-16 23:12:39,672 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 103 places, 123 transitions, 477 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-16 23:12:39,674 INFO L231 Difference]: Finished difference. Result has 105 places, 115 transitions, 418 flow [2024-11-16 23:12:39,674 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=117, PETRI_DIFFERENCE_MINUEND_FLOW=368, PETRI_DIFFERENCE_MINUEND_PLACES=101, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=113, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=108, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=418, PETRI_PLACES=105, PETRI_TRANSITIONS=115} [2024-11-16 23:12:39,675 INFO L277 CegarLoopForPetriNet]: 95 programPoint places, 10 predicate places. [2024-11-16 23:12:39,676 INFO L471 AbstractCegarLoop]: Abstraction has has 105 places, 115 transitions, 418 flow [2024-11-16 23:12:39,676 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 87.33333333333333) internal successors, (262), 3 states have internal predecessors, (262), 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) [2024-11-16 23:12:39,676 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:12:39,677 INFO L204 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] [2024-11-16 23:12:39,677 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-16 23:12:39,677 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting thr1Err1ASSERT_VIOLATIONDATA_RACE === [thr2Err1ASSERT_VIOLATIONDATA_RACE, thr2Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err0ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2024-11-16 23:12:39,677 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:12:39,678 INFO L85 PathProgramCache]: Analyzing trace with hash -374400621, now seen corresponding path program 4 times [2024-11-16 23:12:39,678 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:12:39,678 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1218353126] [2024-11-16 23:12:39,678 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:12:39,679 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:12:39,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:12:39,748 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:12:39,748 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:12:39,749 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1218353126] [2024-11-16 23:12:39,749 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1218353126] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:12:39,749 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:12:39,749 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-16 23:12:39,750 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [39476154] [2024-11-16 23:12:39,750 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:12:39,750 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:12:39,750 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:12:39,751 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:12:39,751 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:12:39,768 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 85 out of 117 [2024-11-16 23:12:39,769 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 105 places, 115 transitions, 418 flow. Second operand has 3 states, 3 states have (on average 88.66666666666667) internal successors, (266), 3 states have internal predecessors, (266), 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) [2024-11-16 23:12:39,769 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:12:39,769 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 85 of 117 [2024-11-16 23:12:39,769 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:12:39,879 INFO L124 PetriNetUnfolderBase]: 163/620 cut-off events. [2024-11-16 23:12:39,879 INFO L125 PetriNetUnfolderBase]: For 477/492 co-relation queries the response was YES. [2024-11-16 23:12:39,882 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1313 conditions, 620 events. 163/620 cut-off events. For 477/492 co-relation queries the response was YES. Maximal size of possible extension queue 32. Compared 3162 event pairs, 44 based on Foata normal form. 17/613 useless extension candidates. Maximal degree in co-relation 1303. Up to 156 conditions per place. [2024-11-16 23:12:39,883 INFO L140 encePairwiseOnDemand]: 107/117 looper letters, 0 selfloop transitions, 0 changer transitions 118/118 dead transitions. [2024-11-16 23:12:39,883 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 103 places, 118 transitions, 517 flow [2024-11-16 23:12:39,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:12:39,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:12:39,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 290 transitions. [2024-11-16 23:12:39,885 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8262108262108262 [2024-11-16 23:12:39,885 INFO L175 Difference]: Start difference. First operand has 105 places, 115 transitions, 418 flow. Second operand 3 states and 290 transitions. [2024-11-16 23:12:39,885 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 103 places, 118 transitions, 517 flow [2024-11-16 23:12:39,888 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 97 places, 118 transitions, 471 flow, removed 9 selfloop flow, removed 6 redundant places. [2024-11-16 23:12:39,889 INFO L231 Difference]: Finished difference. Result has 97 places, 0 transitions, 0 flow [2024-11-16 23:12:39,889 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=117, PETRI_DIFFERENCE_MINUEND_FLOW=320, PETRI_DIFFERENCE_MINUEND_PLACES=95, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=103, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=103, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=97, PETRI_TRANSITIONS=0} [2024-11-16 23:12:39,891 INFO L277 CegarLoopForPetriNet]: 95 programPoint places, 2 predicate places. [2024-11-16 23:12:39,891 INFO L471 AbstractCegarLoop]: Abstraction has has 97 places, 0 transitions, 0 flow [2024-11-16 23:12:39,891 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 88.66666666666667) internal successors, (266), 3 states have internal predecessors, (266), 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) [2024-11-16 23:12:39,895 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thr2Err1ASSERT_VIOLATIONDATA_RACE (9 of 10 remaining) [2024-11-16 23:12:39,896 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thr2Err0ASSERT_VIOLATIONDATA_RACE (8 of 10 remaining) [2024-11-16 23:12:39,896 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thr1Err1ASSERT_VIOLATIONDATA_RACE (7 of 10 remaining) [2024-11-16 23:12:39,896 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thr1Err0ASSERT_VIOLATIONDATA_RACE (6 of 10 remaining) [2024-11-16 23:12:39,897 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (5 of 10 remaining) [2024-11-16 23:12:39,898 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (4 of 10 remaining) [2024-11-16 23:12:39,898 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thr2Err1ASSERT_VIOLATIONDATA_RACE (3 of 10 remaining) [2024-11-16 23:12:39,898 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thr2Err0ASSERT_VIOLATIONDATA_RACE (2 of 10 remaining) [2024-11-16 23:12:39,898 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thr1Err1ASSERT_VIOLATIONDATA_RACE (1 of 10 remaining) [2024-11-16 23:12:39,898 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thr1Err0ASSERT_VIOLATIONDATA_RACE (0 of 10 remaining) [2024-11-16 23:12:39,898 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-16 23:12:39,899 INFO L407 BasicCegarLoop]: Path program histogram: [4, 1, 1, 1, 1] [2024-11-16 23:12:39,907 INFO L239 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-16 23:12:39,907 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-16 23:12:39,912 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.11 11:12:39 BasicIcfg [2024-11-16 23:12:39,915 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-16 23:12:39,916 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-16 23:12:39,916 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-16 23:12:39,916 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-16 23:12:39,917 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 11:12:37" (3/4) ... [2024-11-16 23:12:39,918 INFO L143 WitnessPrinter]: Generating witness for correct program [2024-11-16 23:12:39,923 INFO L393 IcfgBacktranslator]: Ignoring RootEdge to procedure thr2 [2024-11-16 23:12:39,923 INFO L393 IcfgBacktranslator]: Ignoring RootEdge to procedure thr1 [2024-11-16 23:12:39,927 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2024-11-16 23:12:39,928 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-16 23:12:39,928 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-16 23:12:39,928 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-16 23:12:40,004 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-16 23:12:40,004 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-11-16 23:12:40,004 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-16 23:12:40,005 INFO L158 Benchmark]: Toolchain (without parser) took 3512.75ms. Allocated memory was 159.4MB in the beginning and 192.9MB in the end (delta: 33.6MB). Free memory was 128.8MB in the beginning and 130.4MB in the end (delta: -1.6MB). Peak memory consumption was 31.2MB. Max. memory is 16.1GB. [2024-11-16 23:12:40,005 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 109.1MB. Free memory is still 80.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-16 23:12:40,006 INFO L158 Benchmark]: CACSL2BoogieTranslator took 570.63ms. Allocated memory is still 159.4MB. Free memory was 128.0MB in the beginning and 106.0MB in the end (delta: 22.0MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2024-11-16 23:12:40,006 INFO L158 Benchmark]: Boogie Procedure Inliner took 47.45ms. Allocated memory is still 159.4MB. Free memory was 106.0MB in the beginning and 103.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-16 23:12:40,008 INFO L158 Benchmark]: Boogie Preprocessor took 28.59ms. Allocated memory is still 159.4MB. Free memory was 103.9MB in the beginning and 102.8MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-16 23:12:40,009 INFO L158 Benchmark]: IcfgBuilder took 468.72ms. Allocated memory is still 159.4MB. Free memory was 102.8MB in the beginning and 119.4MB in the end (delta: -16.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-11-16 23:12:40,010 INFO L158 Benchmark]: TraceAbstraction took 2298.88ms. Allocated memory was 159.4MB in the beginning and 192.9MB in the end (delta: 33.6MB). Free memory was 118.4MB in the beginning and 134.6MB in the end (delta: -16.2MB). Peak memory consumption was 19.5MB. Max. memory is 16.1GB. [2024-11-16 23:12:40,011 INFO L158 Benchmark]: Witness Printer took 88.41ms. Allocated memory is still 192.9MB. Free memory was 134.6MB in the beginning and 130.4MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-16 23:12:40,012 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 109.1MB. Free memory is still 80.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 570.63ms. Allocated memory is still 159.4MB. Free memory was 128.0MB in the beginning and 106.0MB in the end (delta: 22.0MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 47.45ms. Allocated memory is still 159.4MB. Free memory was 106.0MB in the beginning and 103.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 28.59ms. Allocated memory is still 159.4MB. Free memory was 103.9MB in the beginning and 102.8MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * IcfgBuilder took 468.72ms. Allocated memory is still 159.4MB. Free memory was 102.8MB in the beginning and 119.4MB in the end (delta: -16.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * TraceAbstraction took 2298.88ms. Allocated memory was 159.4MB in the beginning and 192.9MB in the end (delta: 33.6MB). Free memory was 118.4MB in the beginning and 134.6MB in the end (delta: -16.2MB). Peak memory consumption was 19.5MB. Max. memory is 16.1GB. * Witness Printer took 88.41ms. Allocated memory is still 192.9MB. Free memory was 134.6MB in the beginning and 130.4MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 759]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 760]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 743]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 744]: 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, 162 locations, 10 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: 2.1s, OverallIterations: 8, TraceHistogramMax: 1, PathProgramHistogramMax: 4, EmptinessCheckTime: 0.0s, AutomataDifference: 1.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 207 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 98 mSDsluCounter, 41 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 25 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 385 IncrementalHoareTripleChecker+Invalid, 410 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 25 mSolverCounterUnsat, 41 mSDtfsCounter, 385 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 20 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=418occurred in iteration=7, InterpolantAutomatonStates: 23, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 319 NumberOfCodeBlocks, 319 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 311 ConstructedInterpolants, 0 QuantifiedInterpolants, 371 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 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 - AllSpecificationsHoldResult: All specifications hold 4 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-11-16 23:12:40,045 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