./Ultimate.py --spec ../sv-benchmarks/c/properties/no-data-race.prp --file ../sv-benchmarks/c/pthread-wmm/safe032_tso.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 023d838f 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-wmm/safe032_tso.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 ffff09405c16ea86880fae0b9b6268edfa5ef4b2d03cee31a9e4f2e1ac044811 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-023d838-m [2024-11-10 14:22:41,896 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-10 14:22:41,983 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-10 14:22:41,989 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-10 14:22:41,990 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-10 14:22:42,022 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-10 14:22:42,024 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-10 14:22:42,024 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-10 14:22:42,025 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-10 14:22:42,026 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-10 14:22:42,026 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-10 14:22:42,027 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-10 14:22:42,028 INFO L153 SettingsManager]: * Use SBE=true [2024-11-10 14:22:42,028 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-10 14:22:42,030 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-10 14:22:42,030 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-10 14:22:42,031 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-10 14:22:42,031 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-10 14:22:42,031 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-10 14:22:42,031 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-10 14:22:42,032 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-10 14:22:42,035 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-10 14:22:42,036 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-10 14:22:42,036 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-10 14:22:42,036 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-10 14:22:42,036 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-10 14:22:42,037 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-10 14:22:42,037 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-10 14:22:42,037 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-10 14:22:42,038 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-10 14:22:42,038 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-10 14:22:42,038 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 14:22:42,038 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-10 14:22:42,039 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-10 14:22:42,039 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-10 14:22:42,039 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-10 14:22:42,039 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-10 14:22:42,040 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-10 14:22:42,040 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-10 14:22:42,040 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-10 14:22:42,040 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-10 14:22:42,042 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ffff09405c16ea86880fae0b9b6268edfa5ef4b2d03cee31a9e4f2e1ac044811 [2024-11-10 14:22:42,291 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-10 14:22:42,310 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-10 14:22:42,312 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-10 14:22:42,313 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-10 14:22:42,313 INFO L274 PluginConnector]: CDTParser initialized [2024-11-10 14:22:42,314 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-wmm/safe032_tso.i [2024-11-10 14:22:43,754 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-10 14:22:43,980 INFO L384 CDTParser]: Found 1 translation units. [2024-11-10 14:22:43,980 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/safe032_tso.i [2024-11-10 14:22:44,006 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/27062cbc5/d41781641f804ce3b160dba9b2925715/FLAG148358822 [2024-11-10 14:22:44,024 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/27062cbc5/d41781641f804ce3b160dba9b2925715 [2024-11-10 14:22:44,027 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-10 14:22:44,029 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-10 14:22:44,030 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-10 14:22:44,030 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-10 14:22:44,038 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-10 14:22:44,039 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 02:22:44" (1/1) ... [2024-11-10 14:22:44,040 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6901fd56 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:22:44, skipping insertion in model container [2024-11-10 14:22:44,040 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 02:22:44" (1/1) ... [2024-11-10 14:22:44,086 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-10 14:22:44,505 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 14:22:44,515 INFO L200 MainTranslator]: Completed pre-run [2024-11-10 14:22:44,573 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 14:22:44,617 INFO L204 MainTranslator]: Completed translation [2024-11-10 14:22:44,618 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:22:44 WrapperNode [2024-11-10 14:22:44,618 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-10 14:22:44,619 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-10 14:22:44,619 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-10 14:22:44,619 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-10 14:22:44,627 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:22:44" (1/1) ... [2024-11-10 14:22:44,643 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:22:44" (1/1) ... [2024-11-10 14:22:44,667 INFO L138 Inliner]: procedures = 175, calls = 46, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 93 [2024-11-10 14:22:44,669 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-10 14:22:44,670 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-10 14:22:44,671 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-10 14:22:44,671 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-10 14:22:44,681 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:22:44" (1/1) ... [2024-11-10 14:22:44,682 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:22:44" (1/1) ... [2024-11-10 14:22:44,685 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:22:44" (1/1) ... [2024-11-10 14:22:44,686 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:22:44" (1/1) ... [2024-11-10 14:22:44,691 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:22:44" (1/1) ... [2024-11-10 14:22:44,692 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:22:44" (1/1) ... [2024-11-10 14:22:44,694 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:22:44" (1/1) ... [2024-11-10 14:22:44,695 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:22:44" (1/1) ... [2024-11-10 14:22:44,697 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-10 14:22:44,698 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-10 14:22:44,699 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-10 14:22:44,699 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-10 14:22:44,700 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:22:44" (1/1) ... [2024-11-10 14:22:44,710 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 14:22:44,727 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 14:22:44,750 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) [2024-11-10 14:22:44,754 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 [2024-11-10 14:22:44,805 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-10 14:22:44,806 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-10 14:22:44,806 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-11-10 14:22:44,807 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-11-10 14:22:44,807 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-11-10 14:22:44,807 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-11-10 14:22:44,807 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2024-11-10 14:22:44,807 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2024-11-10 14:22:44,807 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-10 14:22:44,807 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-10 14:22:44,808 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-10 14:22:44,808 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-10 14:22:44,809 WARN L225 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-10 14:22:44,968 INFO L256 CfgBuilder]: Building ICFG [2024-11-10 14:22:44,971 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-10 14:22:45,294 INFO L303 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-10 14:22:45,297 INFO L307 CfgBuilder]: Performing block encoding [2024-11-10 14:22:45,447 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-10 14:22:45,447 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-10 14:22:45,448 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 02:22:45 BoogieIcfgContainer [2024-11-10 14:22:45,448 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-10 14:22:45,450 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-10 14:22:45,451 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-10 14:22:45,454 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-10 14:22:45,454 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 02:22:44" (1/3) ... [2024-11-10 14:22:45,455 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@8efa17 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 02:22:45, skipping insertion in model container [2024-11-10 14:22:45,455 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:22:44" (2/3) ... [2024-11-10 14:22:45,456 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@8efa17 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 02:22:45, skipping insertion in model container [2024-11-10 14:22:45,457 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 02:22:45" (3/3) ... [2024-11-10 14:22:45,458 INFO L112 eAbstractionObserver]: Analyzing ICFG safe032_tso.i [2024-11-10 14:22:45,474 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-10 14:22:45,475 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 23 error locations. [2024-11-10 14:22:45,475 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-10 14:22:45,533 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-11-10 14:22:45,578 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 124 places, 117 transitions, 246 flow [2024-11-10 14:22:45,628 INFO L124 PetriNetUnfolderBase]: 3/114 cut-off events. [2024-11-10 14:22:45,630 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-10 14:22:45,640 INFO L83 FinitePrefix]: Finished finitePrefix Result has 124 conditions, 114 events. 3/114 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 151 event pairs, 0 based on Foata normal form. 0/88 useless extension candidates. Maximal degree in co-relation 98. Up to 2 conditions per place. [2024-11-10 14:22:45,640 INFO L82 GeneralOperation]: Start removeDead. Operand has 124 places, 117 transitions, 246 flow [2024-11-10 14:22:45,645 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 121 places, 114 transitions, 237 flow [2024-11-10 14:22:45,658 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-10 14:22:45,665 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;@330c447f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-10 14:22:45,666 INFO L334 AbstractCegarLoop]: Starting to check reachability of 40 error locations. [2024-11-10 14:22:45,676 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-10 14:22:45,676 INFO L124 PetriNetUnfolderBase]: 0/23 cut-off events. [2024-11-10 14:22:45,676 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-10 14:22:45,677 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:22:45,677 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] [2024-11-10 14:22:45,681 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting P0Err4ASSERT_VIOLATIONDATA_RACE === [P0Err4ASSERT_VIOLATIONDATA_RACE, P0Err3ASSERT_VIOLATIONDATA_RACE, P0Err2ASSERT_VIOLATIONDATA_RACE, P0Err1ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2024-11-10 14:22:45,686 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:22:45,686 INFO L85 PathProgramCache]: Analyzing trace with hash -533017093, now seen corresponding path program 1 times [2024-11-10 14:22:45,694 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:22:45,694 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1828908949] [2024-11-10 14:22:45,694 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:22:45,695 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:22:45,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:22:45,865 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 14:22:45,866 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:22:45,866 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1828908949] [2024-11-10 14:22:45,866 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1828908949] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:22:45,867 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:22:45,867 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-10 14:22:45,868 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1069424862] [2024-11-10 14:22:45,869 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:22:45,877 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-10 14:22:45,882 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:22:45,905 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-10 14:22:45,906 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-10 14:22:45,907 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 72 out of 117 [2024-11-10 14:22:45,910 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 121 places, 114 transitions, 237 flow. Second operand has 2 states, 2 states have (on average 73.0) internal successors, (146), 2 states have internal predecessors, (146), 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) [2024-11-10 14:22:45,910 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:22:45,910 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 72 of 117 [2024-11-10 14:22:45,911 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:22:46,718 INFO L124 PetriNetUnfolderBase]: 1662/5640 cut-off events. [2024-11-10 14:22:46,719 INFO L125 PetriNetUnfolderBase]: For 43/43 co-relation queries the response was YES. [2024-11-10 14:22:46,744 INFO L83 FinitePrefix]: Finished finitePrefix Result has 8155 conditions, 5640 events. 1662/5640 cut-off events. For 43/43 co-relation queries the response was YES. Maximal size of possible extension queue 257. Compared 59034 event pairs, 1662 based on Foata normal form. 507/5697 useless extension candidates. Maximal degree in co-relation 8127. Up to 2425 conditions per place. [2024-11-10 14:22:46,777 INFO L140 encePairwiseOnDemand]: 93/117 looper letters, 20 selfloop transitions, 0 changer transitions 0/88 dead transitions. [2024-11-10 14:22:46,778 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 99 places, 88 transitions, 225 flow [2024-11-10 14:22:46,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-10 14:22:46,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2024-11-10 14:22:46,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 188 transitions. [2024-11-10 14:22:46,846 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8034188034188035 [2024-11-10 14:22:46,848 INFO L175 Difference]: Start difference. First operand has 121 places, 114 transitions, 237 flow. Second operand 2 states and 188 transitions. [2024-11-10 14:22:46,849 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 99 places, 88 transitions, 225 flow [2024-11-10 14:22:46,853 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 96 places, 88 transitions, 222 flow, removed 0 selfloop flow, removed 3 redundant places. [2024-11-10 14:22:46,856 INFO L231 Difference]: Finished difference. Result has 96 places, 88 transitions, 182 flow [2024-11-10 14:22:46,860 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=117, PETRI_DIFFERENCE_MINUEND_FLOW=182, PETRI_DIFFERENCE_MINUEND_PLACES=95, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=88, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=88, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=182, PETRI_PLACES=96, PETRI_TRANSITIONS=88} [2024-11-10 14:22:46,866 INFO L277 CegarLoopForPetriNet]: 121 programPoint places, -25 predicate places. [2024-11-10 14:22:46,867 INFO L471 AbstractCegarLoop]: Abstraction has has 96 places, 88 transitions, 182 flow [2024-11-10 14:22:46,867 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 73.0) internal successors, (146), 2 states have internal predecessors, (146), 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) [2024-11-10 14:22:46,867 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:22:46,867 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] [2024-11-10 14:22:46,867 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-10 14:22:46,868 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [P0Err4ASSERT_VIOLATIONDATA_RACE, P0Err3ASSERT_VIOLATIONDATA_RACE, P0Err2ASSERT_VIOLATIONDATA_RACE, P0Err1ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2024-11-10 14:22:46,868 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:22:46,869 INFO L85 PathProgramCache]: Analyzing trace with hash -1479921679, now seen corresponding path program 1 times [2024-11-10 14:22:46,869 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:22:46,870 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1533930733] [2024-11-10 14:22:46,870 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:22:46,870 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:22:46,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:22:47,000 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 14:22:47,001 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:22:47,001 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1533930733] [2024-11-10 14:22:47,001 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1533930733] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:22:47,001 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:22:47,002 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 14:22:47,002 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [647734839] [2024-11-10 14:22:47,002 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:22:47,004 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 14:22:47,005 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:22:47,005 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 14:22:47,006 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 14:22:47,010 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 69 out of 117 [2024-11-10 14:22:47,011 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 96 places, 88 transitions, 182 flow. Second operand has 3 states, 3 states have (on average 71.0) internal successors, (213), 3 states have internal predecessors, (213), 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) [2024-11-10 14:22:47,013 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:22:47,013 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 69 of 117 [2024-11-10 14:22:47,013 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:22:47,828 INFO L124 PetriNetUnfolderBase]: 2550/8052 cut-off events. [2024-11-10 14:22:47,828 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-10 14:22:47,845 INFO L83 FinitePrefix]: Finished finitePrefix Result has 11813 conditions, 8052 events. 2550/8052 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 251. Compared 82645 event pairs, 774 based on Foata normal form. 0/7491 useless extension candidates. Maximal degree in co-relation 11810. Up to 2496 conditions per place. [2024-11-10 14:22:47,880 INFO L140 encePairwiseOnDemand]: 115/117 looper letters, 35 selfloop transitions, 1 changer transitions 0/101 dead transitions. [2024-11-10 14:22:47,881 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 97 places, 101 transitions, 280 flow [2024-11-10 14:22:47,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 14:22:47,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-10 14:22:47,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 244 transitions. [2024-11-10 14:22:47,885 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6951566951566952 [2024-11-10 14:22:47,885 INFO L175 Difference]: Start difference. First operand has 96 places, 88 transitions, 182 flow. Second operand 3 states and 244 transitions. [2024-11-10 14:22:47,885 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 97 places, 101 transitions, 280 flow [2024-11-10 14:22:47,886 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 97 places, 101 transitions, 280 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-10 14:22:47,889 INFO L231 Difference]: Finished difference. Result has 97 places, 87 transitions, 182 flow [2024-11-10 14:22:47,890 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=117, PETRI_DIFFERENCE_MINUEND_FLOW=180, PETRI_DIFFERENCE_MINUEND_PLACES=95, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=87, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=86, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=182, PETRI_PLACES=97, PETRI_TRANSITIONS=87} [2024-11-10 14:22:47,890 INFO L277 CegarLoopForPetriNet]: 121 programPoint places, -24 predicate places. [2024-11-10 14:22:47,891 INFO L471 AbstractCegarLoop]: Abstraction has has 97 places, 87 transitions, 182 flow [2024-11-10 14:22:47,891 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 71.0) internal successors, (213), 3 states have internal predecessors, (213), 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) [2024-11-10 14:22:47,891 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:22:47,892 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, 1] [2024-11-10 14:22:47,892 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-10 14:22:47,892 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [P0Err4ASSERT_VIOLATIONDATA_RACE, P0Err3ASSERT_VIOLATIONDATA_RACE, P0Err2ASSERT_VIOLATIONDATA_RACE, P0Err1ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2024-11-10 14:22:47,893 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:22:47,893 INFO L85 PathProgramCache]: Analyzing trace with hash -1632099684, now seen corresponding path program 1 times [2024-11-10 14:22:47,894 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:22:47,894 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [428188352] [2024-11-10 14:22:47,894 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:22:47,894 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:22:47,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:22:48,003 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 14:22:48,004 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:22:48,005 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [428188352] [2024-11-10 14:22:48,005 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [428188352] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:22:48,005 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:22:48,006 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 14:22:48,006 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1374642137] [2024-11-10 14:22:48,006 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:22:48,006 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 14:22:48,008 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:22:48,008 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 14:22:48,009 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 14:22:48,013 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 69 out of 117 [2024-11-10 14:22:48,013 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 97 places, 87 transitions, 182 flow. Second operand has 3 states, 3 states have (on average 71.66666666666667) internal successors, (215), 3 states have internal predecessors, (215), 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) [2024-11-10 14:22:48,014 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:22:48,014 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 69 of 117 [2024-11-10 14:22:48,017 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:22:48,734 INFO L124 PetriNetUnfolderBase]: 2550/6347 cut-off events. [2024-11-10 14:22:48,735 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-10 14:22:48,753 INFO L83 FinitePrefix]: Finished finitePrefix Result has 10110 conditions, 6347 events. 2550/6347 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 245. Compared 57533 event pairs, 1662 based on Foata normal form. 0/6078 useless extension candidates. Maximal degree in co-relation 10106. Up to 2425 conditions per place. [2024-11-10 14:22:48,759 INFO L140 encePairwiseOnDemand]: 115/117 looper letters, 0 selfloop transitions, 0 changer transitions 100/100 dead transitions. [2024-11-10 14:22:48,760 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 98 places, 100 transitions, 280 flow [2024-11-10 14:22:48,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 14:22:48,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-10 14:22:48,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 244 transitions. [2024-11-10 14:22:48,762 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6951566951566952 [2024-11-10 14:22:48,762 INFO L175 Difference]: Start difference. First operand has 97 places, 87 transitions, 182 flow. Second operand 3 states and 244 transitions. [2024-11-10 14:22:48,762 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 98 places, 100 transitions, 280 flow [2024-11-10 14:22:48,763 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 97 places, 100 transitions, 279 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-10 14:22:48,766 INFO L231 Difference]: Finished difference. Result has 97 places, 0 transitions, 0 flow [2024-11-10 14:22:48,766 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=117, PETRI_DIFFERENCE_MINUEND_FLOW=179, PETRI_DIFFERENCE_MINUEND_PLACES=95, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=86, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=86, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=97, PETRI_TRANSITIONS=0} [2024-11-10 14:22:48,767 INFO L277 CegarLoopForPetriNet]: 121 programPoint places, -24 predicate places. [2024-11-10 14:22:48,768 INFO L471 AbstractCegarLoop]: Abstraction has has 97 places, 0 transitions, 0 flow [2024-11-10 14:22:48,768 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 71.66666666666667) internal successors, (215), 3 states have internal predecessors, (215), 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) [2024-11-10 14:22:48,771 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err4ASSERT_VIOLATIONDATA_RACE (39 of 40 remaining) [2024-11-10 14:22:48,772 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err3ASSERT_VIOLATIONDATA_RACE (38 of 40 remaining) [2024-11-10 14:22:48,772 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err2ASSERT_VIOLATIONDATA_RACE (37 of 40 remaining) [2024-11-10 14:22:48,772 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONDATA_RACE (36 of 40 remaining) [2024-11-10 14:22:48,773 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONDATA_RACE (35 of 40 remaining) [2024-11-10 14:22:48,773 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err4ASSERT_VIOLATIONDATA_RACE (34 of 40 remaining) [2024-11-10 14:22:48,773 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err3ASSERT_VIOLATIONDATA_RACE (33 of 40 remaining) [2024-11-10 14:22:48,773 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err2ASSERT_VIOLATIONDATA_RACE (32 of 40 remaining) [2024-11-10 14:22:48,774 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONDATA_RACE (31 of 40 remaining) [2024-11-10 14:22:48,774 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONDATA_RACE (30 of 40 remaining) [2024-11-10 14:22:48,775 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err3ASSERT_VIOLATIONDATA_RACE (29 of 40 remaining) [2024-11-10 14:22:48,775 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err2ASSERT_VIOLATIONDATA_RACE (28 of 40 remaining) [2024-11-10 14:22:48,776 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONDATA_RACE (27 of 40 remaining) [2024-11-10 14:22:48,776 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONDATA_RACE (26 of 40 remaining) [2024-11-10 14:22:48,776 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (25 of 40 remaining) [2024-11-10 14:22:48,776 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (24 of 40 remaining) [2024-11-10 14:22:48,777 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (23 of 40 remaining) [2024-11-10 14:22:48,794 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (22 of 40 remaining) [2024-11-10 14:22:48,794 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (21 of 40 remaining) [2024-11-10 14:22:48,795 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (20 of 40 remaining) [2024-11-10 14:22:48,795 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (19 of 40 remaining) [2024-11-10 14:22:48,795 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (18 of 40 remaining) [2024-11-10 14:22:48,795 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (17 of 40 remaining) [2024-11-10 14:22:48,795 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (16 of 40 remaining) [2024-11-10 14:22:48,796 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (15 of 40 remaining) [2024-11-10 14:22:48,796 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (14 of 40 remaining) [2024-11-10 14:22:48,797 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err4ASSERT_VIOLATIONDATA_RACE (13 of 40 remaining) [2024-11-10 14:22:48,797 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err3ASSERT_VIOLATIONDATA_RACE (12 of 40 remaining) [2024-11-10 14:22:48,797 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err2ASSERT_VIOLATIONDATA_RACE (11 of 40 remaining) [2024-11-10 14:22:48,797 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONDATA_RACE (10 of 40 remaining) [2024-11-10 14:22:48,798 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONDATA_RACE (9 of 40 remaining) [2024-11-10 14:22:48,798 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err4ASSERT_VIOLATIONDATA_RACE (8 of 40 remaining) [2024-11-10 14:22:48,798 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err3ASSERT_VIOLATIONDATA_RACE (7 of 40 remaining) [2024-11-10 14:22:48,798 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err2ASSERT_VIOLATIONDATA_RACE (6 of 40 remaining) [2024-11-10 14:22:48,799 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONDATA_RACE (5 of 40 remaining) [2024-11-10 14:22:48,799 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONDATA_RACE (4 of 40 remaining) [2024-11-10 14:22:48,799 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err3ASSERT_VIOLATIONDATA_RACE (3 of 40 remaining) [2024-11-10 14:22:48,799 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err2ASSERT_VIOLATIONDATA_RACE (2 of 40 remaining) [2024-11-10 14:22:48,800 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONDATA_RACE (1 of 40 remaining) [2024-11-10 14:22:48,800 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONDATA_RACE (0 of 40 remaining) [2024-11-10 14:22:48,800 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-10 14:22:48,800 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2024-11-10 14:22:48,808 INFO L239 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-10 14:22:48,808 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-10 14:22:48,816 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.11 02:22:48 BasicIcfg [2024-11-10 14:22:48,816 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-10 14:22:48,817 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-10 14:22:48,817 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-10 14:22:48,817 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-10 14:22:48,818 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 02:22:45" (3/4) ... [2024-11-10 14:22:48,820 INFO L143 WitnessPrinter]: Generating witness for correct program [2024-11-10 14:22:48,823 INFO L393 IcfgBacktranslator]: Ignoring RootEdge to procedure P0 [2024-11-10 14:22:48,823 INFO L393 IcfgBacktranslator]: Ignoring RootEdge to procedure P1 [2024-11-10 14:22:48,823 INFO L393 IcfgBacktranslator]: Ignoring RootEdge to procedure P2 [2024-11-10 14:22:48,828 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2024-11-10 14:22:48,829 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-10 14:22:48,829 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-11-10 14:22:48,829 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-10 14:22:48,927 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-10 14:22:48,927 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-11-10 14:22:48,927 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-10 14:22:48,928 INFO L158 Benchmark]: Toolchain (without parser) took 4899.26ms. Allocated memory was 178.3MB in the beginning and 499.1MB in the end (delta: 320.9MB). Free memory was 109.8MB in the beginning and 392.1MB in the end (delta: -282.3MB). Peak memory consumption was 41.6MB. Max. memory is 16.1GB. [2024-11-10 14:22:48,928 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 178.3MB. Free memory is still 140.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-10 14:22:48,931 INFO L158 Benchmark]: CACSL2BoogieTranslator took 588.21ms. Allocated memory is still 178.3MB. Free memory was 109.7MB in the beginning and 137.7MB in the end (delta: -28.0MB). Peak memory consumption was 13.0MB. Max. memory is 16.1GB. [2024-11-10 14:22:48,933 INFO L158 Benchmark]: Boogie Procedure Inliner took 50.74ms. Allocated memory is still 178.3MB. Free memory was 137.7MB in the beginning and 135.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-10 14:22:48,933 INFO L158 Benchmark]: Boogie Preprocessor took 27.10ms. Allocated memory is still 178.3MB. Free memory was 135.6MB in the beginning and 134.7MB in the end (delta: 922.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-10 14:22:48,933 INFO L158 Benchmark]: IcfgBuilder took 750.15ms. Allocated memory is still 178.3MB. Free memory was 134.5MB in the beginning and 102.1MB in the end (delta: 32.4MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-11-10 14:22:48,933 INFO L158 Benchmark]: TraceAbstraction took 3366.01ms. Allocated memory was 178.3MB in the beginning and 499.1MB in the end (delta: 320.9MB). Free memory was 101.2MB in the beginning and 396.4MB in the end (delta: -295.2MB). Peak memory consumption was 242.5MB. Max. memory is 16.1GB. [2024-11-10 14:22:48,934 INFO L158 Benchmark]: Witness Printer took 110.49ms. Allocated memory is still 499.1MB. Free memory was 396.4MB in the beginning and 392.1MB in the end (delta: 4.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-10 14:22:48,935 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 178.3MB. Free memory is still 140.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 588.21ms. Allocated memory is still 178.3MB. Free memory was 109.7MB in the beginning and 137.7MB in the end (delta: -28.0MB). Peak memory consumption was 13.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 50.74ms. Allocated memory is still 178.3MB. Free memory was 137.7MB in the beginning and 135.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 27.10ms. Allocated memory is still 178.3MB. Free memory was 135.6MB in the beginning and 134.7MB in the end (delta: 922.8kB). There was no memory consumed. Max. memory is 16.1GB. * IcfgBuilder took 750.15ms. Allocated memory is still 178.3MB. Free memory was 134.5MB in the beginning and 102.1MB in the end (delta: 32.4MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * TraceAbstraction took 3366.01ms. Allocated memory was 178.3MB in the beginning and 499.1MB in the end (delta: 320.9MB). Free memory was 101.2MB in the beginning and 396.4MB in the end (delta: -295.2MB). Peak memory consumption was 242.5MB. Max. memory is 16.1GB. * Witness Printer took 110.49ms. Allocated memory is still 499.1MB. Free memory was 396.4MB in the beginning and 392.1MB in the end (delta: 4.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 723]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 728]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 728]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 733]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 733]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 740]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 745]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 745]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 750]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 750]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 757]: 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: 765]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 765]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 787]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 787]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 789]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 793]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 793]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 793]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 793]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 793]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 795]: 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 7 procedures, 158 locations, 40 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: 3.2s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 2.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 36 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 31 mSDsluCounter, 2 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 129 IncrementalHoareTripleChecker+Invalid, 131 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 2 mSDtfsCounter, 129 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=237occurred in iteration=0, InterpolantAutomatonStates: 8, 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, 0.2s InterpolantComputationTime, 110 NumberOfCodeBlocks, 110 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 107 ConstructedInterpolants, 0 QuantifiedInterpolants, 111 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 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 23 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-11-10 14:22:48,967 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE