./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/no-data-race.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/mix030_tso.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version fca748b1 Calling Ultimate with: /root/.sdkman/candidates/java/current/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 /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/mix030_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 20a2c57970e5e291ffc10826c9a5fbe3296a1e55ae86cfd2b786718aae571bfa --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dd.update-z3-fca748b-m [2024-11-20 13:32:59,706 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-20 13:32:59,767 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-20 13:32:59,771 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-20 13:32:59,771 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-20 13:32:59,795 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-20 13:32:59,795 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-20 13:32:59,795 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-20 13:32:59,796 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-20 13:32:59,797 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-20 13:32:59,812 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-20 13:32:59,813 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-20 13:32:59,813 INFO L153 SettingsManager]: * Use SBE=true [2024-11-20 13:32:59,813 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-20 13:32:59,813 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-20 13:32:59,814 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-20 13:32:59,814 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-20 13:32:59,814 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-20 13:32:59,814 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-20 13:32:59,814 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-20 13:32:59,815 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-20 13:32:59,815 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-20 13:32:59,816 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-20 13:32:59,816 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-20 13:32:59,816 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-20 13:32:59,816 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-20 13:32:59,816 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-20 13:32:59,817 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-20 13:32:59,817 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-20 13:32:59,817 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-20 13:32:59,817 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-20 13:32:59,817 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-20 13:32:59,818 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-20 13:32:59,818 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-20 13:32:59,818 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-20 13:32:59,818 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-20 13:32:59,818 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-20 13:32:59,819 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-20 13:32:59,819 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-20 13:32:59,819 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-20 13:32:59,819 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-20 13:32:59,820 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 20a2c57970e5e291ffc10826c9a5fbe3296a1e55ae86cfd2b786718aae571bfa [2024-11-20 13:33:00,041 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-20 13:33:00,061 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-20 13:33:00,064 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-20 13:33:00,065 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-20 13:33:00,066 INFO L274 PluginConnector]: CDTParser initialized [2024-11-20 13:33:00,067 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/mix030_tso.i [2024-11-20 13:33:01,411 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-20 13:33:01,673 INFO L384 CDTParser]: Found 1 translation units. [2024-11-20 13:33:01,674 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/mix030_tso.i [2024-11-20 13:33:01,696 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/22a5d7d0f/477ff3c3b4da4decaacedc6eead381e8/FLAGca87c0535 [2024-11-20 13:33:01,997 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/22a5d7d0f/477ff3c3b4da4decaacedc6eead381e8 [2024-11-20 13:33:02,000 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-20 13:33:02,001 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-20 13:33:02,003 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-20 13:33:02,004 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-20 13:33:02,008 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-20 13:33:02,008 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 01:33:01" (1/1) ... [2024-11-20 13:33:02,009 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2a7a3624 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:33:02, skipping insertion in model container [2024-11-20 13:33:02,009 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 01:33:01" (1/1) ... [2024-11-20 13:33:02,055 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-20 13:33:02,381 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 13:33:02,396 INFO L200 MainTranslator]: Completed pre-run [2024-11-20 13:33:02,498 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 13:33:02,561 INFO L204 MainTranslator]: Completed translation [2024-11-20 13:33:02,562 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:33:02 WrapperNode [2024-11-20 13:33:02,562 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-20 13:33:02,563 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-20 13:33:02,563 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-20 13:33:02,563 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-20 13:33:02,569 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:33:02" (1/1) ... [2024-11-20 13:33:02,599 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:33:02" (1/1) ... [2024-11-20 13:33:02,658 INFO L138 Inliner]: procedures = 176, calls = 54, calls flagged for inlining = 6, calls inlined = 7, statements flattened = 1411 [2024-11-20 13:33:02,660 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-20 13:33:02,661 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-20 13:33:02,661 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-20 13:33:02,661 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-20 13:33:02,669 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:33:02" (1/1) ... [2024-11-20 13:33:02,670 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:33:02" (1/1) ... [2024-11-20 13:33:02,676 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:33:02" (1/1) ... [2024-11-20 13:33:02,678 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:33:02" (1/1) ... [2024-11-20 13:33:02,702 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:33:02" (1/1) ... [2024-11-20 13:33:02,716 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:33:02" (1/1) ... [2024-11-20 13:33:02,722 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:33:02" (1/1) ... [2024-11-20 13:33:02,729 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:33:02" (1/1) ... [2024-11-20 13:33:02,741 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-20 13:33:02,742 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-20 13:33:02,742 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-20 13:33:02,743 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-20 13:33:02,743 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:33:02" (1/1) ... [2024-11-20 13:33:02,748 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-20 13:33:02,757 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 13:33:02,773 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) [2024-11-20 13:33:02,776 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 [2024-11-20 13:33:02,809 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-20 13:33:02,809 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-20 13:33:02,809 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-11-20 13:33:02,810 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-11-20 13:33:02,810 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-11-20 13:33:02,810 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-11-20 13:33:02,810 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2024-11-20 13:33:02,810 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2024-11-20 13:33:02,810 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2024-11-20 13:33:02,810 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2024-11-20 13:33:02,810 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-20 13:33:02,810 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-20 13:33:02,811 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-20 13:33:02,811 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-20 13:33:02,812 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-20 13:33:02,944 INFO L238 CfgBuilder]: Building ICFG [2024-11-20 13:33:02,945 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-20 13:33:04,180 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-20 13:33:04,184 INFO L287 CfgBuilder]: Performing block encoding [2024-11-20 13:33:09,442 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-20 13:33:09,443 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-20 13:33:09,443 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 01:33:09 BoogieIcfgContainer [2024-11-20 13:33:09,443 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-20 13:33:09,445 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-20 13:33:09,445 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-20 13:33:09,447 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-20 13:33:09,447 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 01:33:01" (1/3) ... [2024-11-20 13:33:09,448 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@69c6dd84 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 01:33:09, skipping insertion in model container [2024-11-20 13:33:09,448 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:33:02" (2/3) ... [2024-11-20 13:33:09,449 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@69c6dd84 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 01:33:09, skipping insertion in model container [2024-11-20 13:33:09,449 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 01:33:09" (3/3) ... [2024-11-20 13:33:09,450 INFO L112 eAbstractionObserver]: Analyzing ICFG mix030_tso.i [2024-11-20 13:33:09,464 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-20 13:33:09,464 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 319 error locations. [2024-11-20 13:33:09,466 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-20 13:33:09,940 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-11-20 13:33:10,013 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 459 places, 449 transitions, 914 flow [2024-11-20 13:33:10,219 INFO L124 PetriNetUnfolderBase]: 3/445 cut-off events. [2024-11-20 13:33:10,220 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-20 13:33:10,232 INFO L83 FinitePrefix]: Finished finitePrefix Result has 458 conditions, 445 events. 3/445 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 101. Compared 2774 event pairs, 0 based on Foata normal form. 0/123 useless extension candidates. Maximal degree in co-relation 409. Up to 2 conditions per place. [2024-11-20 13:33:10,232 INFO L82 GeneralOperation]: Start removeDead. Operand has 459 places, 449 transitions, 914 flow [2024-11-20 13:33:10,258 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 455 places, 445 transitions, 902 flow [2024-11-20 13:33:10,264 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-20 13:33:10,269 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;@323b81b0, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-20 13:33:10,270 INFO L334 AbstractCegarLoop]: Starting to check reachability of 510 error locations. [2024-11-20 13:33:10,274 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-20 13:33:10,274 INFO L124 PetriNetUnfolderBase]: 0/45 cut-off events. [2024-11-20 13:33:10,275 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-20 13:33:10,275 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-20 13:33:10,275 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] [2024-11-20 13:33:10,276 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting P0Err0ASSERT_VIOLATIONDATA_RACE === [P0Err0ASSERT_VIOLATIONDATA_RACE, P0Err1ASSERT_VIOLATIONDATA_RACE, P0Err2ASSERT_VIOLATIONDATA_RACE, P0Err3ASSERT_VIOLATIONDATA_RACE (and 506 more)] === [2024-11-20 13:33:10,279 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 13:33:10,279 INFO L85 PathProgramCache]: Analyzing trace with hash -870753340, now seen corresponding path program 1 times [2024-11-20 13:33:10,286 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 13:33:10,287 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1301390598] [2024-11-20 13:33:10,287 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 13:33:10,287 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 13:33:10,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 13:33:10,517 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 13:33:10,522 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 13:33:10,522 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1301390598] [2024-11-20 13:33:10,522 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1301390598] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 13:33:10,522 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 13:33:10,523 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-20 13:33:10,524 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [789250657] [2024-11-20 13:33:10,529 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 13:33:10,543 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-20 13:33:10,551 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 13:33:10,589 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-20 13:33:10,589 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-20 13:33:10,594 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 106 out of 449 [2024-11-20 13:33:10,597 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 455 places, 445 transitions, 902 flow. Second operand has 2 states, 2 states have (on average 107.0) internal successors, (214), 2 states have internal predecessors, (214), 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) [2024-11-20 13:33:10,600 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-20 13:33:10,600 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 106 of 449 [2024-11-20 13:33:10,601 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-20 13:33:20,755 INFO L124 PetriNetUnfolderBase]: 5748/16274 cut-off events. [2024-11-20 13:33:20,756 INFO L125 PetriNetUnfolderBase]: For 101/101 co-relation queries the response was YES. [2024-11-20 13:33:20,792 INFO L83 FinitePrefix]: Finished finitePrefix Result has 24250 conditions, 16274 events. 5748/16274 cut-off events. For 101/101 co-relation queries the response was YES. Maximal size of possible extension queue 680. Compared 189806 event pairs, 5748 based on Foata normal form. 1391/16547 useless extension candidates. Maximal degree in co-relation 24199. Up to 7769 conditions per place. [2024-11-20 13:33:20,841 INFO L140 encePairwiseOnDemand]: 129/449 looper letters, 22 selfloop transitions, 0 changer transitions 0/123 dead transitions. [2024-11-20 13:33:20,841 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 137 places, 123 transitions, 302 flow [2024-11-20 13:33:20,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-20 13:33:20,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2024-11-20 13:33:20,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 554 transitions. [2024-11-20 13:33:20,857 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6169265033407573 [2024-11-20 13:33:20,859 INFO L175 Difference]: Start difference. First operand has 455 places, 445 transitions, 902 flow. Second operand 2 states and 554 transitions. [2024-11-20 13:33:20,860 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 137 places, 123 transitions, 302 flow [2024-11-20 13:33:20,862 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 133 places, 123 transitions, 298 flow, removed 0 selfloop flow, removed 4 redundant places. [2024-11-20 13:33:20,864 INFO L231 Difference]: Finished difference. Result has 133 places, 123 transitions, 254 flow [2024-11-20 13:33:20,865 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=449, PETRI_DIFFERENCE_MINUEND_FLOW=254, PETRI_DIFFERENCE_MINUEND_PLACES=132, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=123, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=123, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=254, PETRI_PLACES=133, PETRI_TRANSITIONS=123} [2024-11-20 13:33:20,868 INFO L277 CegarLoopForPetriNet]: 455 programPoint places, -322 predicate places. [2024-11-20 13:33:20,869 INFO L471 AbstractCegarLoop]: Abstraction has has 133 places, 123 transitions, 254 flow [2024-11-20 13:33:20,869 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 107.0) internal successors, (214), 2 states have internal predecessors, (214), 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) [2024-11-20 13:33:20,870 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-20 13:33:20,870 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] [2024-11-20 13:33:20,870 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-20 13:33:20,870 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [P0Err0ASSERT_VIOLATIONDATA_RACE, P0Err1ASSERT_VIOLATIONDATA_RACE, P0Err2ASSERT_VIOLATIONDATA_RACE, P0Err3ASSERT_VIOLATIONDATA_RACE (and 506 more)] === [2024-11-20 13:33:20,871 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 13:33:20,871 INFO L85 PathProgramCache]: Analyzing trace with hash -659417209, now seen corresponding path program 1 times [2024-11-20 13:33:20,872 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 13:33:20,872 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [817669189] [2024-11-20 13:33:20,872 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 13:33:20,872 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 13:33:20,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 13:33:20,992 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 13:33:20,993 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 13:33:20,993 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [817669189] [2024-11-20 13:33:20,993 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [817669189] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 13:33:20,993 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 13:33:20,993 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-20 13:33:20,993 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1670718563] [2024-11-20 13:33:20,994 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 13:33:20,994 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 13:33:20,995 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 13:33:20,996 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 13:33:20,996 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 13:33:20,999 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 103 out of 449 [2024-11-20 13:33:21,000 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 133 places, 123 transitions, 254 flow. Second operand has 3 states, 3 states have (on average 105.33333333333333) internal successors, (316), 3 states have internal predecessors, (316), 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) [2024-11-20 13:33:21,001 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-20 13:33:21,001 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 103 of 449 [2024-11-20 13:33:21,001 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-20 13:33:32,122 INFO L124 PetriNetUnfolderBase]: 8756/23385 cut-off events. [2024-11-20 13:33:32,123 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-20 13:33:32,184 INFO L83 FinitePrefix]: Finished finitePrefix Result has 35326 conditions, 23385 events. 8756/23385 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 676. Compared 266864 event pairs, 2740 based on Foata normal form. 0/21903 useless extension candidates. Maximal degree in co-relation 35323. Up to 7936 conditions per place. [2024-11-20 13:33:32,245 INFO L140 encePairwiseOnDemand]: 447/449 looper letters, 38 selfloop transitions, 1 changer transitions 0/137 dead transitions. [2024-11-20 13:33:32,246 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 134 places, 137 transitions, 360 flow [2024-11-20 13:33:32,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 13:33:32,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-20 13:33:32,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 349 transitions. [2024-11-20 13:33:32,251 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.25909428359317 [2024-11-20 13:33:32,251 INFO L175 Difference]: Start difference. First operand has 133 places, 123 transitions, 254 flow. Second operand 3 states and 349 transitions. [2024-11-20 13:33:32,251 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 134 places, 137 transitions, 360 flow [2024-11-20 13:33:32,253 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 134 places, 137 transitions, 360 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-20 13:33:32,257 INFO L231 Difference]: Finished difference. Result has 134 places, 122 transitions, 254 flow [2024-11-20 13:33:32,258 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=449, PETRI_DIFFERENCE_MINUEND_FLOW=252, PETRI_DIFFERENCE_MINUEND_PLACES=132, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=122, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=121, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=254, PETRI_PLACES=134, PETRI_TRANSITIONS=122} [2024-11-20 13:33:32,258 INFO L277 CegarLoopForPetriNet]: 455 programPoint places, -321 predicate places. [2024-11-20 13:33:32,259 INFO L471 AbstractCegarLoop]: Abstraction has has 134 places, 122 transitions, 254 flow [2024-11-20 13:33:32,259 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 105.33333333333333) internal successors, (316), 3 states have internal predecessors, (316), 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) [2024-11-20 13:33:32,259 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-20 13:33:32,260 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, 1, 1] [2024-11-20 13:33:32,260 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-20 13:33:32,260 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr131ASSERT_VIOLATIONDATA_RACE === [P0Err0ASSERT_VIOLATIONDATA_RACE, P0Err1ASSERT_VIOLATIONDATA_RACE, P0Err2ASSERT_VIOLATIONDATA_RACE, P0Err3ASSERT_VIOLATIONDATA_RACE (and 506 more)] === [2024-11-20 13:33:32,260 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 13:33:32,261 INFO L85 PathProgramCache]: Analyzing trace with hash 353126062, now seen corresponding path program 1 times [2024-11-20 13:33:32,261 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 13:33:32,261 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [341511603] [2024-11-20 13:33:32,261 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 13:33:32,262 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 13:33:32,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 13:33:32,465 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 13:33:32,465 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 13:33:32,465 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [341511603] [2024-11-20 13:33:32,465 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [341511603] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 13:33:32,466 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 13:33:32,466 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-20 13:33:32,466 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2115248872] [2024-11-20 13:33:32,466 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 13:33:32,466 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 13:33:32,467 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 13:33:32,467 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 13:33:32,467 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 13:33:32,469 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 103 out of 449 [2024-11-20 13:33:32,470 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 134 places, 122 transitions, 254 flow. Second operand has 3 states, 3 states have (on average 106.0) internal successors, (318), 3 states have internal predecessors, (318), 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) [2024-11-20 13:33:32,470 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-20 13:33:32,470 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 103 of 449 [2024-11-20 13:33:32,470 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand