./Ultimate.py --spec ../sv-benchmarks/c/properties/no-data-race.prp --file ../sv-benchmarks/c/pthread-wmm/safe031_tso.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-wmm/safe031_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 26b6897a83c9df9076ea7ea4c612ce46453382fa627c0d6af54da2d169befd96 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-3289d67-m [2024-11-16 23:29:19,658 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-16 23:29:19,724 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-16 23:29:19,731 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-16 23:29:19,731 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-16 23:29:19,759 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-16 23:29:19,759 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-16 23:29:19,760 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-16 23:29:19,762 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-16 23:29:19,766 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-16 23:29:19,767 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-16 23:29:19,767 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-16 23:29:19,768 INFO L153 SettingsManager]: * Use SBE=true [2024-11-16 23:29:19,769 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-16 23:29:19,770 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-16 23:29:19,770 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-16 23:29:19,771 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-16 23:29:19,771 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-16 23:29:19,771 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-16 23:29:19,771 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-16 23:29:19,772 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-16 23:29:19,773 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-16 23:29:19,773 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-16 23:29:19,773 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-16 23:29:19,773 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-16 23:29:19,774 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-16 23:29:19,774 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-16 23:29:19,774 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-16 23:29:19,775 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-16 23:29:19,775 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-16 23:29:19,775 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-16 23:29:19,775 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 23:29:19,776 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-16 23:29:19,776 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-16 23:29:19,776 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-16 23:29:19,777 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-16 23:29:19,777 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-16 23:29:19,777 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-16 23:29:19,777 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-16 23:29:19,778 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-16 23:29:19,778 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-16 23:29:19,778 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 26b6897a83c9df9076ea7ea4c612ce46453382fa627c0d6af54da2d169befd96 [2024-11-16 23:29:20,058 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-16 23:29:20,084 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-16 23:29:20,088 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-16 23:29:20,090 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-16 23:29:20,090 INFO L274 PluginConnector]: CDTParser initialized [2024-11-16 23:29:20,092 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-wmm/safe031_tso.i [2024-11-16 23:29:21,583 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-16 23:29:21,847 INFO L384 CDTParser]: Found 1 translation units. [2024-11-16 23:29:21,848 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/safe031_tso.i [2024-11-16 23:29:21,864 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/20c6d865c/2f01757c187446c2a7e4caaefa987264/FLAGc00ac76b6 [2024-11-16 23:29:21,876 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/20c6d865c/2f01757c187446c2a7e4caaefa987264 [2024-11-16 23:29:21,878 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-16 23:29:21,880 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-16 23:29:21,881 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-16 23:29:21,881 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-16 23:29:21,885 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-16 23:29:21,886 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 11:29:21" (1/1) ... [2024-11-16 23:29:21,886 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@64726c4d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:29:21, skipping insertion in model container [2024-11-16 23:29:21,887 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 11:29:21" (1/1) ... [2024-11-16 23:29:21,931 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-16 23:29:22,303 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 23:29:22,314 INFO L200 MainTranslator]: Completed pre-run [2024-11-16 23:29:22,357 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 23:29:22,400 INFO L204 MainTranslator]: Completed translation [2024-11-16 23:29:22,401 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:29:22 WrapperNode [2024-11-16 23:29:22,401 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-16 23:29:22,403 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-16 23:29:22,403 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-16 23:29:22,403 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-16 23:29:22,411 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:29:22" (1/1) ... [2024-11-16 23:29:22,433 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:29:22" (1/1) ... [2024-11-16 23:29:22,459 INFO L138 Inliner]: procedures = 175, calls = 44, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 87 [2024-11-16 23:29:22,461 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-16 23:29:22,462 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-16 23:29:22,462 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-16 23:29:22,463 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-16 23:29:22,472 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:29:22" (1/1) ... [2024-11-16 23:29:22,472 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:29:22" (1/1) ... [2024-11-16 23:29:22,477 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:29:22" (1/1) ... [2024-11-16 23:29:22,481 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:29:22" (1/1) ... [2024-11-16 23:29:22,491 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:29:22" (1/1) ... [2024-11-16 23:29:22,496 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:29:22" (1/1) ... [2024-11-16 23:29:22,498 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:29:22" (1/1) ... [2024-11-16 23:29:22,499 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:29:22" (1/1) ... [2024-11-16 23:29:22,505 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-16 23:29:22,507 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-16 23:29:22,510 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-16 23:29:22,510 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-16 23:29:22,511 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:29:22" (1/1) ... [2024-11-16 23:29:22,519 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 23:29:22,531 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 23:29:22,551 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 23:29:22,555 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 23:29:22,601 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-16 23:29:22,602 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-16 23:29:22,602 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-11-16 23:29:22,602 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-11-16 23:29:22,602 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-11-16 23:29:22,603 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-11-16 23:29:22,603 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2024-11-16 23:29:22,603 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2024-11-16 23:29:22,603 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-16 23:29:22,603 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-16 23:29:22,603 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-16 23:29:22,604 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-16 23:29:22,605 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 23:29:22,800 INFO L256 CfgBuilder]: Building ICFG [2024-11-16 23:29:22,802 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-16 23:29:23,065 INFO L303 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-16 23:29:23,066 INFO L307 CfgBuilder]: Performing block encoding [2024-11-16 23:29:23,215 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-16 23:29:23,215 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-16 23:29:23,215 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 11:29:23 BoogieIcfgContainer [2024-11-16 23:29:23,215 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-16 23:29:23,219 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-16 23:29:23,219 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-16 23:29:23,223 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-16 23:29:23,223 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 11:29:21" (1/3) ... [2024-11-16 23:29:23,224 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@61dbd2e6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 11:29:23, skipping insertion in model container [2024-11-16 23:29:23,224 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:29:22" (2/3) ... [2024-11-16 23:29:23,225 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@61dbd2e6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 11:29:23, skipping insertion in model container [2024-11-16 23:29:23,225 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 11:29:23" (3/3) ... [2024-11-16 23:29:23,226 INFO L112 eAbstractionObserver]: Analyzing ICFG safe031_tso.i [2024-11-16 23:29:23,241 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-16 23:29:23,241 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 21 error locations. [2024-11-16 23:29:23,242 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-16 23:29:23,297 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-11-16 23:29:23,346 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 121 places, 114 transitions, 240 flow [2024-11-16 23:29:23,396 INFO L124 PetriNetUnfolderBase]: 3/111 cut-off events. [2024-11-16 23:29:23,396 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-16 23:29:23,403 INFO L83 FinitePrefix]: Finished finitePrefix Result has 121 conditions, 111 events. 3/111 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 131 event pairs, 0 based on Foata normal form. 0/87 useless extension candidates. Maximal degree in co-relation 95. Up to 2 conditions per place. [2024-11-16 23:29:23,403 INFO L82 GeneralOperation]: Start removeDead. Operand has 121 places, 114 transitions, 240 flow [2024-11-16 23:29:23,408 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 118 places, 111 transitions, 231 flow [2024-11-16 23:29:23,416 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-16 23:29:23,424 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;@68767263, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-16 23:29:23,424 INFO L334 AbstractCegarLoop]: Starting to check reachability of 37 error locations. [2024-11-16 23:29:23,431 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-16 23:29:23,431 INFO L124 PetriNetUnfolderBase]: 0/23 cut-off events. [2024-11-16 23:29:23,431 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-16 23:29:23,432 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:29:23,432 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] [2024-11-16 23:29:23,433 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting P0Err4ASSERT_VIOLATIONDATA_RACE === [P0Err4ASSERT_VIOLATIONDATA_RACE, P0Err3ASSERT_VIOLATIONDATA_RACE, P0Err2ASSERT_VIOLATIONDATA_RACE, P0Err1ASSERT_VIOLATIONDATA_RACE (and 33 more)] === [2024-11-16 23:29:23,438 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:29:23,439 INFO L85 PathProgramCache]: Analyzing trace with hash 850900775, now seen corresponding path program 1 times [2024-11-16 23:29:23,447 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:29:23,447 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1297397206] [2024-11-16 23:29:23,447 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:29:23,448 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:29:23,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:29:23,624 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 23:29:23,625 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:29:23,625 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1297397206] [2024-11-16 23:29:23,626 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1297397206] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:29:23,626 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:29:23,626 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-16 23:29:23,627 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1803456343] [2024-11-16 23:29:23,629 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:29:23,638 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-16 23:29:23,643 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:29:23,668 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-16 23:29:23,669 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-16 23:29:23,670 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 72 out of 114 [2024-11-16 23:29:23,673 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 118 places, 111 transitions, 231 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) [2024-11-16 23:29:23,674 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:29:23,674 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 72 of 114 [2024-11-16 23:29:23,675 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:29:24,496 INFO L124 PetriNetUnfolderBase]: 1365/4701 cut-off events. [2024-11-16 23:29:24,497 INFO L125 PetriNetUnfolderBase]: For 37/37 co-relation queries the response was YES. [2024-11-16 23:29:24,520 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6781 conditions, 4701 events. 1365/4701 cut-off events. For 37/37 co-relation queries the response was YES. Maximal size of possible extension queue 217. Compared 47949 event pairs, 1365 based on Foata normal form. 418/4732 useless extension candidates. Maximal degree in co-relation 6753. Up to 2002 conditions per place. [2024-11-16 23:29:24,551 INFO L140 encePairwiseOnDemand]: 92/114 looper letters, 19 selfloop transitions, 0 changer transitions 0/87 dead transitions. [2024-11-16 23:29:24,551 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 98 places, 87 transitions, 221 flow [2024-11-16 23:29:24,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-16 23:29:24,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2024-11-16 23:29:24,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 185 transitions. [2024-11-16 23:29:24,565 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8114035087719298 [2024-11-16 23:29:24,567 INFO L175 Difference]: Start difference. First operand has 118 places, 111 transitions, 231 flow. Second operand 2 states and 185 transitions. [2024-11-16 23:29:24,568 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 98 places, 87 transitions, 221 flow [2024-11-16 23:29:24,572 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 95 places, 87 transitions, 218 flow, removed 0 selfloop flow, removed 3 redundant places. [2024-11-16 23:29:24,576 INFO L231 Difference]: Finished difference. Result has 95 places, 87 transitions, 180 flow [2024-11-16 23:29:24,578 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=114, PETRI_DIFFERENCE_MINUEND_FLOW=180, PETRI_DIFFERENCE_MINUEND_PLACES=94, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=87, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=87, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=180, PETRI_PLACES=95, PETRI_TRANSITIONS=87} [2024-11-16 23:29:24,581 INFO L277 CegarLoopForPetriNet]: 118 programPoint places, -23 predicate places. [2024-11-16 23:29:24,582 INFO L471 AbstractCegarLoop]: Abstraction has has 95 places, 87 transitions, 180 flow [2024-11-16 23:29:24,583 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) [2024-11-16 23:29:24,583 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:29:24,583 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] [2024-11-16 23:29:24,584 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-16 23:29:24,584 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [P0Err4ASSERT_VIOLATIONDATA_RACE, P0Err3ASSERT_VIOLATIONDATA_RACE, P0Err2ASSERT_VIOLATIONDATA_RACE, P0Err1ASSERT_VIOLATIONDATA_RACE (and 33 more)] === [2024-11-16 23:29:24,586 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:29:24,586 INFO L85 PathProgramCache]: Analyzing trace with hash -1472796622, now seen corresponding path program 1 times [2024-11-16 23:29:24,586 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:29:24,587 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [320812998] [2024-11-16 23:29:24,587 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:29:24,587 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:29:24,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:29:24,736 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 23:29:24,736 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:29:24,737 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [320812998] [2024-11-16 23:29:24,737 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [320812998] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:29:24,737 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:29:24,737 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 23:29:24,737 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [595807607] [2024-11-16 23:29:24,737 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:29:24,738 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:29:24,739 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:29:24,741 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:29:24,741 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:29:24,745 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 69 out of 114 [2024-11-16 23:29:24,746 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 95 places, 87 transitions, 180 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) [2024-11-16 23:29:24,748 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:29:24,748 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 69 of 114 [2024-11-16 23:29:24,748 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:29:25,526 INFO L124 PetriNetUnfolderBase]: 2095/6697 cut-off events. [2024-11-16 23:29:25,527 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-16 23:29:25,549 INFO L83 FinitePrefix]: Finished finitePrefix Result has 9805 conditions, 6697 events. 2095/6697 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 212. Compared 67036 event pairs, 635 based on Foata normal form. 0/6226 useless extension candidates. Maximal degree in co-relation 9802. Up to 2060 conditions per place. [2024-11-16 23:29:25,581 INFO L140 encePairwiseOnDemand]: 112/114 looper letters, 33 selfloop transitions, 1 changer transitions 0/99 dead transitions. [2024-11-16 23:29:25,582 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 96 places, 99 transitions, 272 flow [2024-11-16 23:29:25,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:29:25,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:29:25,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 242 transitions. [2024-11-16 23:29:25,588 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7076023391812866 [2024-11-16 23:29:25,589 INFO L175 Difference]: Start difference. First operand has 95 places, 87 transitions, 180 flow. Second operand 3 states and 242 transitions. [2024-11-16 23:29:25,589 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 96 places, 99 transitions, 272 flow [2024-11-16 23:29:25,590 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 96 places, 99 transitions, 272 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-16 23:29:25,593 INFO L231 Difference]: Finished difference. Result has 96 places, 86 transitions, 180 flow [2024-11-16 23:29:25,594 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=114, PETRI_DIFFERENCE_MINUEND_FLOW=178, PETRI_DIFFERENCE_MINUEND_PLACES=94, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=86, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=85, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=180, PETRI_PLACES=96, PETRI_TRANSITIONS=86} [2024-11-16 23:29:25,595 INFO L277 CegarLoopForPetriNet]: 118 programPoint places, -22 predicate places. [2024-11-16 23:29:25,595 INFO L471 AbstractCegarLoop]: Abstraction has has 96 places, 86 transitions, 180 flow [2024-11-16 23:29:25,595 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) [2024-11-16 23:29:25,596 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:29:25,596 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] [2024-11-16 23:29:25,596 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-16 23:29:25,597 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [P0Err4ASSERT_VIOLATIONDATA_RACE, P0Err3ASSERT_VIOLATIONDATA_RACE, P0Err2ASSERT_VIOLATIONDATA_RACE, P0Err1ASSERT_VIOLATIONDATA_RACE (and 33 more)] === [2024-11-16 23:29:25,597 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:29:25,598 INFO L85 PathProgramCache]: Analyzing trace with hash -957365353, now seen corresponding path program 1 times [2024-11-16 23:29:25,599 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:29:25,599 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [204118442] [2024-11-16 23:29:25,599 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:29:25,599 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:29:25,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:29:25,712 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 23:29:25,713 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:29:25,713 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [204118442] [2024-11-16 23:29:25,713 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [204118442] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:29:25,713 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:29:25,714 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 23:29:25,714 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1469977663] [2024-11-16 23:29:25,715 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:29:25,715 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:29:25,716 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:29:25,716 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:29:25,716 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:29:25,721 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 69 out of 114 [2024-11-16 23:29:25,721 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 96 places, 86 transitions, 180 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) [2024-11-16 23:29:25,725 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:29:25,725 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 69 of 114 [2024-11-16 23:29:25,725 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:29:26,319 INFO L124 PetriNetUnfolderBase]: 2095/5280 cut-off events. [2024-11-16 23:29:26,320 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-16 23:29:26,330 INFO L83 FinitePrefix]: Finished finitePrefix Result has 8390 conditions, 5280 events. 2095/5280 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 208. Compared 46803 event pairs, 1365 based on Foata normal form. 0/5044 useless extension candidates. Maximal degree in co-relation 8386. Up to 2002 conditions per place. [2024-11-16 23:29:26,336 INFO L140 encePairwiseOnDemand]: 112/114 looper letters, 0 selfloop transitions, 0 changer transitions 98/98 dead transitions. [2024-11-16 23:29:26,336 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 97 places, 98 transitions, 272 flow [2024-11-16 23:29:26,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:29:26,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:29:26,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 242 transitions. [2024-11-16 23:29:26,338 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7076023391812866 [2024-11-16 23:29:26,338 INFO L175 Difference]: Start difference. First operand has 96 places, 86 transitions, 180 flow. Second operand 3 states and 242 transitions. [2024-11-16 23:29:26,339 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 97 places, 98 transitions, 272 flow [2024-11-16 23:29:26,340 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 96 places, 98 transitions, 271 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-16 23:29:26,340 INFO L231 Difference]: Finished difference. Result has 96 places, 0 transitions, 0 flow [2024-11-16 23:29:26,341 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=114, PETRI_DIFFERENCE_MINUEND_FLOW=177, PETRI_DIFFERENCE_MINUEND_PLACES=94, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=85, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=85, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=96, PETRI_TRANSITIONS=0} [2024-11-16 23:29:26,342 INFO L277 CegarLoopForPetriNet]: 118 programPoint places, -22 predicate places. [2024-11-16 23:29:26,342 INFO L471 AbstractCegarLoop]: Abstraction has has 96 places, 0 transitions, 0 flow [2024-11-16 23:29:26,342 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) [2024-11-16 23:29:26,345 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err4ASSERT_VIOLATIONDATA_RACE (36 of 37 remaining) [2024-11-16 23:29:26,346 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err3ASSERT_VIOLATIONDATA_RACE (35 of 37 remaining) [2024-11-16 23:29:26,346 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err2ASSERT_VIOLATIONDATA_RACE (34 of 37 remaining) [2024-11-16 23:29:26,346 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONDATA_RACE (33 of 37 remaining) [2024-11-16 23:29:26,346 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONDATA_RACE (32 of 37 remaining) [2024-11-16 23:29:26,346 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err3ASSERT_VIOLATIONDATA_RACE (31 of 37 remaining) [2024-11-16 23:29:26,347 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err2ASSERT_VIOLATIONDATA_RACE (30 of 37 remaining) [2024-11-16 23:29:26,347 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONDATA_RACE (29 of 37 remaining) [2024-11-16 23:29:26,347 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONDATA_RACE (28 of 37 remaining) [2024-11-16 23:29:26,347 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err3ASSERT_VIOLATIONDATA_RACE (27 of 37 remaining) [2024-11-16 23:29:26,348 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err2ASSERT_VIOLATIONDATA_RACE (26 of 37 remaining) [2024-11-16 23:29:26,348 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONDATA_RACE (25 of 37 remaining) [2024-11-16 23:29:26,348 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONDATA_RACE (24 of 37 remaining) [2024-11-16 23:29:26,348 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (23 of 37 remaining) [2024-11-16 23:29:26,349 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (22 of 37 remaining) [2024-11-16 23:29:26,349 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (21 of 37 remaining) [2024-11-16 23:29:26,349 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (20 of 37 remaining) [2024-11-16 23:29:26,349 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (19 of 37 remaining) [2024-11-16 23:29:26,350 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (18 of 37 remaining) [2024-11-16 23:29:26,350 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (17 of 37 remaining) [2024-11-16 23:29:26,350 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (16 of 37 remaining) [2024-11-16 23:29:26,351 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (15 of 37 remaining) [2024-11-16 23:29:26,351 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (14 of 37 remaining) [2024-11-16 23:29:26,351 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (13 of 37 remaining) [2024-11-16 23:29:26,351 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err4ASSERT_VIOLATIONDATA_RACE (12 of 37 remaining) [2024-11-16 23:29:26,351 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err3ASSERT_VIOLATIONDATA_RACE (11 of 37 remaining) [2024-11-16 23:29:26,352 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err2ASSERT_VIOLATIONDATA_RACE (10 of 37 remaining) [2024-11-16 23:29:26,352 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONDATA_RACE (9 of 37 remaining) [2024-11-16 23:29:26,352 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONDATA_RACE (8 of 37 remaining) [2024-11-16 23:29:26,352 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err3ASSERT_VIOLATIONDATA_RACE (7 of 37 remaining) [2024-11-16 23:29:26,352 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err2ASSERT_VIOLATIONDATA_RACE (6 of 37 remaining) [2024-11-16 23:29:26,353 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONDATA_RACE (5 of 37 remaining) [2024-11-16 23:29:26,353 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONDATA_RACE (4 of 37 remaining) [2024-11-16 23:29:26,353 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err3ASSERT_VIOLATIONDATA_RACE (3 of 37 remaining) [2024-11-16 23:29:26,353 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err2ASSERT_VIOLATIONDATA_RACE (2 of 37 remaining) [2024-11-16 23:29:26,354 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONDATA_RACE (1 of 37 remaining) [2024-11-16 23:29:26,354 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONDATA_RACE (0 of 37 remaining) [2024-11-16 23:29:26,354 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-16 23:29:26,355 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2024-11-16 23:29:26,360 INFO L239 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-16 23:29:26,361 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-16 23:29:26,371 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.11 11:29:26 BasicIcfg [2024-11-16 23:29:26,371 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-16 23:29:26,372 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-16 23:29:26,372 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-16 23:29:26,372 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-16 23:29:26,373 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 11:29:23" (3/4) ... [2024-11-16 23:29:26,375 INFO L143 WitnessPrinter]: Generating witness for correct program [2024-11-16 23:29:26,377 INFO L393 IcfgBacktranslator]: Ignoring RootEdge to procedure P0 [2024-11-16 23:29:26,377 INFO L393 IcfgBacktranslator]: Ignoring RootEdge to procedure P1 [2024-11-16 23:29:26,378 INFO L393 IcfgBacktranslator]: Ignoring RootEdge to procedure P2 [2024-11-16 23:29:26,383 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2024-11-16 23:29:26,383 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-16 23:29:26,383 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-11-16 23:29:26,384 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-16 23:29:26,478 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-16 23:29:26,479 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-11-16 23:29:26,479 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-16 23:29:26,479 INFO L158 Benchmark]: Toolchain (without parser) took 4599.66ms. Allocated memory was 161.5MB in the beginning and 476.1MB in the end (delta: 314.6MB). Free memory was 114.5MB in the beginning and 293.6MB in the end (delta: -179.1MB). Peak memory consumption was 135.0MB. Max. memory is 16.1GB. [2024-11-16 23:29:26,480 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 100.7MB. Free memory is still 68.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-16 23:29:26,480 INFO L158 Benchmark]: CACSL2BoogieTranslator took 520.90ms. Allocated memory is still 161.5MB. Free memory was 114.5MB in the beginning and 91.5MB in the end (delta: 23.0MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2024-11-16 23:29:26,480 INFO L158 Benchmark]: Boogie Procedure Inliner took 58.17ms. Allocated memory is still 161.5MB. Free memory was 91.5MB in the beginning and 89.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-16 23:29:26,480 INFO L158 Benchmark]: Boogie Preprocessor took 44.07ms. Allocated memory is still 161.5MB. Free memory was 89.4MB in the beginning and 87.8MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-16 23:29:26,481 INFO L158 Benchmark]: IcfgBuilder took 708.97ms. Allocated memory is still 161.5MB. Free memory was 87.8MB in the beginning and 105.1MB in the end (delta: -17.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-11-16 23:29:26,481 INFO L158 Benchmark]: TraceAbstraction took 3152.44ms. Allocated memory was 161.5MB in the beginning and 476.1MB in the end (delta: 314.6MB). Free memory was 104.2MB in the beginning and 297.8MB in the end (delta: -193.6MB). Peak memory consumption was 171.1MB. Max. memory is 16.1GB. [2024-11-16 23:29:26,482 INFO L158 Benchmark]: Witness Printer took 106.99ms. Allocated memory is still 476.1MB. Free memory was 297.8MB in the beginning and 293.6MB in the end (delta: 4.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-16 23:29:26,484 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 100.7MB. Free memory is still 68.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 520.90ms. Allocated memory is still 161.5MB. Free memory was 114.5MB in the beginning and 91.5MB in the end (delta: 23.0MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 58.17ms. Allocated memory is still 161.5MB. Free memory was 91.5MB in the beginning and 89.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 44.07ms. Allocated memory is still 161.5MB. Free memory was 89.4MB in the beginning and 87.8MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * IcfgBuilder took 708.97ms. Allocated memory is still 161.5MB. Free memory was 87.8MB in the beginning and 105.1MB in the end (delta: -17.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * TraceAbstraction took 3152.44ms. Allocated memory was 161.5MB in the beginning and 476.1MB in the end (delta: 314.6MB). Free memory was 104.2MB in the beginning and 297.8MB in the end (delta: -193.6MB). Peak memory consumption was 171.1MB. Max. memory is 16.1GB. * Witness Printer took 106.99ms. Allocated memory is still 476.1MB. Free memory was 297.8MB in the beginning and 293.6MB in the end (delta: 4.2MB). Peak memory consumption was 2.1MB. 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: 743]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 748]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 748]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 755]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 758]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 763]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 763]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 785]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 785]: 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: 791]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 791]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 791]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 791]: 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 - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 153 locations, 37 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: 3.0s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 2.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 36 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 30 mSDsluCounter, 2 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 121 IncrementalHoareTripleChecker+Invalid, 123 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 2 mSDtfsCounter, 121 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=231occurred 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 21 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-11-16 23:29:26,519 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