./Ultimate.py --spec ../sv-benchmarks/c/properties/no-data-race.prp --file ../sv-benchmarks/c/pthread-wmm/safe015_power.opt.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 3061b6dc 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/safe015_power.opt.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 7ed03bf56a68b0ba240fc33c794b8871860875fa75320178f23c03b98fa54cab --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-3061b6d-m [2024-11-19 05:41:13,596 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-19 05:41:13,700 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-19 05:41:13,707 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-19 05:41:13,708 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-19 05:41:13,754 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-19 05:41:13,755 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-19 05:41:13,755 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-19 05:41:13,756 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-19 05:41:13,758 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-19 05:41:13,759 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-19 05:41:13,759 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-19 05:41:13,763 INFO L153 SettingsManager]: * Use SBE=true [2024-11-19 05:41:13,764 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-19 05:41:13,764 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-19 05:41:13,764 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-19 05:41:13,764 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-19 05:41:13,765 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-19 05:41:13,765 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-19 05:41:13,765 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-19 05:41:13,765 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-19 05:41:13,768 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-19 05:41:13,769 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-19 05:41:13,769 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-19 05:41:13,769 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-19 05:41:13,769 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-19 05:41:13,773 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-19 05:41:13,773 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-19 05:41:13,774 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-19 05:41:13,774 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-19 05:41:13,774 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-19 05:41:13,774 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 05:41:13,775 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-19 05:41:13,775 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-19 05:41:13,775 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-19 05:41:13,775 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-19 05:41:13,775 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-19 05:41:13,776 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-19 05:41:13,776 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-19 05:41:13,776 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-19 05:41:13,780 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-19 05:41:13,784 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7ed03bf56a68b0ba240fc33c794b8871860875fa75320178f23c03b98fa54cab [2024-11-19 05:41:14,044 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-19 05:41:14,073 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-19 05:41:14,076 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-19 05:41:14,077 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-19 05:41:14,078 INFO L274 PluginConnector]: CDTParser initialized [2024-11-19 05:41:14,079 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-wmm/safe015_power.opt.i [2024-11-19 05:41:15,461 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-19 05:41:15,668 INFO L384 CDTParser]: Found 1 translation units. [2024-11-19 05:41:15,669 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/safe015_power.opt.i [2024-11-19 05:41:15,707 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/da4a2d971/3b216b0909aa46a4b3630d827fe8c3cc/FLAG00cd8cdd0 [2024-11-19 05:41:16,038 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/da4a2d971/3b216b0909aa46a4b3630d827fe8c3cc [2024-11-19 05:41:16,041 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-19 05:41:16,042 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-19 05:41:16,043 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-19 05:41:16,043 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-19 05:41:16,052 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-19 05:41:16,053 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:41:16" (1/1) ... [2024-11-19 05:41:16,053 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3c715ee1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:41:16, skipping insertion in model container [2024-11-19 05:41:16,054 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:41:16" (1/1) ... [2024-11-19 05:41:16,089 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-19 05:41:16,456 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 05:41:16,475 INFO L200 MainTranslator]: Completed pre-run [2024-11-19 05:41:16,553 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 05:41:16,585 INFO L204 MainTranslator]: Completed translation [2024-11-19 05:41:16,585 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:41:16 WrapperNode [2024-11-19 05:41:16,586 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-19 05:41:16,587 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-19 05:41:16,587 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-19 05:41:16,587 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-19 05:41:16,594 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:41:16" (1/1) ... [2024-11-19 05:41:16,621 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:41:16" (1/1) ... [2024-11-19 05:41:16,662 INFO L138 Inliner]: procedures = 175, calls = 75, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 786 [2024-11-19 05:41:16,663 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-19 05:41:16,664 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-19 05:41:16,664 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-19 05:41:16,664 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-19 05:41:16,672 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:41:16" (1/1) ... [2024-11-19 05:41:16,674 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:41:16" (1/1) ... [2024-11-19 05:41:16,686 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:41:16" (1/1) ... [2024-11-19 05:41:16,687 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:41:16" (1/1) ... [2024-11-19 05:41:16,733 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:41:16" (1/1) ... [2024-11-19 05:41:16,750 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:41:16" (1/1) ... [2024-11-19 05:41:16,762 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:41:16" (1/1) ... [2024-11-19 05:41:16,772 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:41:16" (1/1) ... [2024-11-19 05:41:16,786 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-19 05:41:16,787 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-19 05:41:16,787 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-19 05:41:16,788 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-19 05:41:16,789 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:41:16" (1/1) ... [2024-11-19 05:41:16,794 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 05:41:16,803 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 05:41:16,840 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) [2024-11-19 05:41:16,846 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 [2024-11-19 05:41:16,886 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-19 05:41:16,886 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-19 05:41:16,887 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-19 05:41:16,887 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-19 05:41:16,887 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-11-19 05:41:16,887 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-11-19 05:41:16,887 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-11-19 05:41:16,888 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-11-19 05:41:16,888 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2024-11-19 05:41:16,888 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2024-11-19 05:41:16,888 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-19 05:41:16,889 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-19 05:41:16,889 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-19 05:41:16,889 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-19 05:41:16,891 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-19 05:41:17,110 INFO L238 CfgBuilder]: Building ICFG [2024-11-19 05:41:17,113 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-19 05:41:19,103 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-19 05:41:19,103 INFO L287 CfgBuilder]: Performing block encoding [2024-11-19 05:41:35,651 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-19 05:41:35,651 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-19 05:41:35,652 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:41:35 BoogieIcfgContainer [2024-11-19 05:41:35,652 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-19 05:41:35,654 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-19 05:41:35,654 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-19 05:41:35,657 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-19 05:41:35,657 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 05:41:16" (1/3) ... [2024-11-19 05:41:35,658 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@caad9ef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:41:35, skipping insertion in model container [2024-11-19 05:41:35,658 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:41:16" (2/3) ... [2024-11-19 05:41:35,658 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@caad9ef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:41:35, skipping insertion in model container [2024-11-19 05:41:35,658 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:41:35" (3/3) ... [2024-11-19 05:41:35,659 INFO L112 eAbstractionObserver]: Analyzing ICFG safe015_power.opt.i [2024-11-19 05:41:35,677 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-19 05:41:35,677 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 448 error locations. [2024-11-19 05:41:35,677 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-19 05:41:36,981 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-11-19 05:41:37,032 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 585 places, 578 transitions, 1168 flow [2024-11-19 05:41:37,693 INFO L124 PetriNetUnfolderBase]: 3/575 cut-off events. [2024-11-19 05:41:37,693 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-19 05:41:37,712 INFO L83 FinitePrefix]: Finished finitePrefix Result has 585 conditions, 575 events. 3/575 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 151. Compared 4292 event pairs, 0 based on Foata normal form. 0/124 useless extension candidates. Maximal degree in co-relation 522. Up to 2 conditions per place. [2024-11-19 05:41:37,712 INFO L82 GeneralOperation]: Start removeDead. Operand has 585 places, 578 transitions, 1168 flow [2024-11-19 05:41:37,748 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 582 places, 575 transitions, 1159 flow [2024-11-19 05:41:37,759 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-19 05:41:37,766 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;@5dc04afd, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-19 05:41:37,767 INFO L334 AbstractCegarLoop]: Starting to check reachability of 760 error locations. [2024-11-19 05:41:37,775 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-19 05:41:37,775 INFO L124 PetriNetUnfolderBase]: 0/59 cut-off events. [2024-11-19 05:41:37,775 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-19 05:41:37,776 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:41:37,776 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 05:41:37,777 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting P0Err0ASSERT_VIOLATIONDATA_RACE === [P0Err0ASSERT_VIOLATIONDATA_RACE, P0Err1ASSERT_VIOLATIONDATA_RACE, P0Err2ASSERT_VIOLATIONDATA_RACE, P0Err3ASSERT_VIOLATIONDATA_RACE (and 756 more)] === [2024-11-19 05:41:37,780 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:41:37,781 INFO L85 PathProgramCache]: Analyzing trace with hash -1528752601, now seen corresponding path program 1 times [2024-11-19 05:41:37,788 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:41:37,789 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1316292320] [2024-11-19 05:41:37,790 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 05:41:37,790 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:41:38,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 05:41:38,279 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 05:41:38,280 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:41:38,280 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1316292320] [2024-11-19 05:41:38,281 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1316292320] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 05:41:38,281 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 05:41:38,281 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-19 05:41:38,284 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1289980525] [2024-11-19 05:41:38,284 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 05:41:38,292 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-19 05:41:38,296 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 05:41:38,319 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-19 05:41:38,320 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-19 05:41:38,324 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 111 out of 578 [2024-11-19 05:41:38,326 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 582 places, 575 transitions, 1159 flow. Second operand has 2 states, 2 states have (on average 112.0) internal successors, (224), 2 states have internal predecessors, (224), 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) [2024-11-19 05:41:38,326 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 05:41:38,326 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 111 of 578 [2024-11-19 05:41:38,327 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 05:41:42,884 INFO L124 PetriNetUnfolderBase]: 875/3170 cut-off events. [2024-11-19 05:41:42,884 INFO L125 PetriNetUnfolderBase]: For 25/25 co-relation queries the response was YES. [2024-11-19 05:41:42,892 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4524 conditions, 3170 events. 875/3170 cut-off events. For 25/25 co-relation queries the response was YES. Maximal size of possible extension queue 145. Compared 29802 event pairs, 875 based on Foata normal form. 274/3180 useless extension candidates. Maximal degree in co-relation 4459. Up to 1300 conditions per place. [2024-11-19 05:41:42,908 INFO L140 encePairwiseOnDemand]: 129/578 looper letters, 17 selfloop transitions, 0 changer transitions 0/124 dead transitions. [2024-11-19 05:41:42,908 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 135 places, 124 transitions, 291 flow [2024-11-19 05:41:42,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-19 05:41:42,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2024-11-19 05:41:42,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 688 transitions. [2024-11-19 05:41:42,930 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5951557093425606 [2024-11-19 05:41:42,933 INFO L175 Difference]: Start difference. First operand has 582 places, 575 transitions, 1159 flow. Second operand 2 states and 688 transitions. [2024-11-19 05:41:42,934 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 135 places, 124 transitions, 291 flow [2024-11-19 05:41:42,937 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 132 places, 124 transitions, 288 flow, removed 0 selfloop flow, removed 3 redundant places. [2024-11-19 05:41:42,940 INFO L231 Difference]: Finished difference. Result has 132 places, 124 transitions, 254 flow [2024-11-19 05:41:42,941 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=578, PETRI_DIFFERENCE_MINUEND_FLOW=254, PETRI_DIFFERENCE_MINUEND_PLACES=131, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=124, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=124, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=254, PETRI_PLACES=132, PETRI_TRANSITIONS=124} [2024-11-19 05:41:42,947 INFO L277 CegarLoopForPetriNet]: 582 programPoint places, -450 predicate places. [2024-11-19 05:41:42,947 INFO L471 AbstractCegarLoop]: Abstraction has has 132 places, 124 transitions, 254 flow [2024-11-19 05:41:42,947 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 112.0) internal successors, (224), 2 states have internal predecessors, (224), 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) [2024-11-19 05:41:42,948 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:41:42,948 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 05:41:42,948 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-19 05:41:42,949 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [P0Err0ASSERT_VIOLATIONDATA_RACE, P0Err1ASSERT_VIOLATIONDATA_RACE, P0Err2ASSERT_VIOLATIONDATA_RACE, P0Err3ASSERT_VIOLATIONDATA_RACE (and 756 more)] === [2024-11-19 05:41:42,949 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:41:42,950 INFO L85 PathProgramCache]: Analyzing trace with hash -708147676, now seen corresponding path program 1 times [2024-11-19 05:41:42,950 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:41:42,950 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1904329341] [2024-11-19 05:41:42,951 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 05:41:42,951 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:41:43,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 05:41:43,171 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 05:41:43,171 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:41:43,172 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1904329341] [2024-11-19 05:41:43,172 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1904329341] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 05:41:43,172 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 05:41:43,172 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-19 05:41:43,172 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1792365550] [2024-11-19 05:41:43,172 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 05:41:43,173 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 05:41:43,174 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 05:41:43,175 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 05:41:43,175 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 05:41:43,179 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 108 out of 578 [2024-11-19 05:41:43,181 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 132 places, 124 transitions, 254 flow. Second operand has 3 states, 3 states have (on average 110.0) internal successors, (330), 3 states have internal predecessors, (330), 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) [2024-11-19 05:41:43,181 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 05:41:43,181 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 108 of 578 [2024-11-19 05:41:43,181 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand