./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/mix014_tso.oepc.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/mix014_tso.oepc.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 4fc83f7400faec1e297c0070148ef6e08fc24a46b81d9a9e52a0ee501a0da326 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dd.update-z3-fca748b-m [2024-11-20 13:31:21,932 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-20 13:31:22,007 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-20 13:31:22,012 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-20 13:31:22,013 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-20 13:31:22,043 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-20 13:31:22,044 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-20 13:31:22,045 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-20 13:31:22,045 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-20 13:31:22,049 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-20 13:31:22,049 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-20 13:31:22,050 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-20 13:31:22,050 INFO L153 SettingsManager]: * Use SBE=true [2024-11-20 13:31:22,050 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-20 13:31:22,051 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-20 13:31:22,051 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-20 13:31:22,051 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-20 13:31:22,051 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-20 13:31:22,053 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-20 13:31:22,053 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-20 13:31:22,053 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-20 13:31:22,054 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-20 13:31:22,054 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-20 13:31:22,054 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-20 13:31:22,054 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-20 13:31:22,055 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-20 13:31:22,055 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-20 13:31:22,055 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-20 13:31:22,056 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-20 13:31:22,056 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-20 13:31:22,056 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-20 13:31:22,056 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-20 13:31:22,057 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-20 13:31:22,057 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-20 13:31:22,058 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-20 13:31:22,058 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-20 13:31:22,059 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-20 13:31:22,059 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-20 13:31:22,059 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-20 13:31:22,059 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-20 13:31:22,060 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-20 13:31:22,060 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4fc83f7400faec1e297c0070148ef6e08fc24a46b81d9a9e52a0ee501a0da326 [2024-11-20 13:31:22,271 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-20 13:31:22,295 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-20 13:31:22,297 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-20 13:31:22,298 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-20 13:31:22,298 INFO L274 PluginConnector]: CDTParser initialized [2024-11-20 13:31:22,299 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/mix014_tso.oepc.i [2024-11-20 13:31:23,732 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-20 13:31:23,991 INFO L384 CDTParser]: Found 1 translation units. [2024-11-20 13:31:23,992 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/mix014_tso.oepc.i [2024-11-20 13:31:24,012 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e785faa5b/3ec7ccec217d4faf8aa4f9f7ff2c25d3/FLAG22d8edcaa [2024-11-20 13:31:24,311 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e785faa5b/3ec7ccec217d4faf8aa4f9f7ff2c25d3 [2024-11-20 13:31:24,313 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-20 13:31:24,315 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-20 13:31:24,319 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-20 13:31:24,319 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-20 13:31:24,325 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-20 13:31:24,326 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 01:31:24" (1/1) ... [2024-11-20 13:31:24,328 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4d7ac348 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:31:24, skipping insertion in model container [2024-11-20 13:31:24,329 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 01:31:24" (1/1) ... [2024-11-20 13:31:24,382 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-20 13:31:24,857 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 13:31:24,871 INFO L200 MainTranslator]: Completed pre-run [2024-11-20 13:31:25,010 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 13:31:25,113 INFO L204 MainTranslator]: Completed translation [2024-11-20 13:31:25,114 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:31:25 WrapperNode [2024-11-20 13:31:25,116 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-20 13:31:25,117 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-20 13:31:25,118 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-20 13:31:25,118 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-20 13:31:25,125 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:31:25" (1/1) ... [2024-11-20 13:31:25,164 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:31:25" (1/1) ... [2024-11-20 13:31:25,236 INFO L138 Inliner]: procedures = 176, calls = 57, calls flagged for inlining = 7, calls inlined = 9, statements flattened = 2398 [2024-11-20 13:31:25,237 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-20 13:31:25,237 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-20 13:31:25,237 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-20 13:31:25,238 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-20 13:31:25,247 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:31:25" (1/1) ... [2024-11-20 13:31:25,248 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:31:25" (1/1) ... [2024-11-20 13:31:25,258 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:31:25" (1/1) ... [2024-11-20 13:31:25,258 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:31:25" (1/1) ... [2024-11-20 13:31:25,287 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:31:25" (1/1) ... [2024-11-20 13:31:25,299 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:31:25" (1/1) ... [2024-11-20 13:31:25,306 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:31:25" (1/1) ... [2024-11-20 13:31:25,313 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:31:25" (1/1) ... [2024-11-20 13:31:25,333 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-20 13:31:25,337 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-20 13:31:25,337 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-20 13:31:25,337 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-20 13:31:25,338 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:31:25" (1/1) ... [2024-11-20 13:31:25,344 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-20 13:31:25,355 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 13:31:25,372 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 13:31:25,382 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 13:31:25,430 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-20 13:31:25,430 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-20 13:31:25,430 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-11-20 13:31:25,431 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-11-20 13:31:25,431 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-11-20 13:31:25,431 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-11-20 13:31:25,431 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2024-11-20 13:31:25,431 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2024-11-20 13:31:25,431 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2024-11-20 13:31:25,431 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2024-11-20 13:31:25,431 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-20 13:31:25,432 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-20 13:31:25,432 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-20 13:31:25,432 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-20 13:31:25,436 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 13:31:25,721 INFO L238 CfgBuilder]: Building ICFG [2024-11-20 13:31:25,726 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-20 13:31:28,385 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-20 13:31:28,386 INFO L287 CfgBuilder]: Performing block encoding [2024-11-20 13:31:40,743 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-20 13:31:40,744 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-20 13:31:40,744 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 01:31:40 BoogieIcfgContainer [2024-11-20 13:31:40,744 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-20 13:31:40,751 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-20 13:31:40,751 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-20 13:31:40,755 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-20 13:31:40,756 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 01:31:24" (1/3) ... [2024-11-20 13:31:40,757 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@28c8e83b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 01:31:40, skipping insertion in model container [2024-11-20 13:31:40,757 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:31:25" (2/3) ... [2024-11-20 13:31:40,758 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@28c8e83b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 01:31:40, skipping insertion in model container [2024-11-20 13:31:40,759 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 01:31:40" (3/3) ... [2024-11-20 13:31:40,760 INFO L112 eAbstractionObserver]: Analyzing ICFG mix014_tso.oepc.i [2024-11-20 13:31:40,779 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-20 13:31:40,780 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 576 error locations. [2024-11-20 13:31:40,781 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-20 13:31:41,289 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-11-20 13:31:41,343 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 738 places, 728 transitions, 1472 flow [2024-11-20 13:31:42,047 INFO L124 PetriNetUnfolderBase]: 3/724 cut-off events. [2024-11-20 13:31:42,048 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-20 13:31:42,075 INFO L83 FinitePrefix]: Finished finitePrefix Result has 737 conditions, 724 events. 3/724 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 102. Compared 5088 event pairs, 0 based on Foata normal form. 0/145 useless extension candidates. Maximal degree in co-relation 667. Up to 2 conditions per place. [2024-11-20 13:31:42,076 INFO L82 GeneralOperation]: Start removeDead. Operand has 738 places, 728 transitions, 1472 flow [2024-11-20 13:31:42,161 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 734 places, 724 transitions, 1460 flow [2024-11-20 13:31:42,177 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-20 13:31:42,186 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;@28dede22, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-20 13:31:42,187 INFO L334 AbstractCegarLoop]: Starting to check reachability of 995 error locations. [2024-11-20 13:31:42,197 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-20 13:31:42,198 INFO L124 PetriNetUnfolderBase]: 0/66 cut-off events. [2024-11-20 13:31:42,198 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-20 13:31:42,199 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-20 13:31:42,199 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] [2024-11-20 13:31:42,200 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting P0Err0ASSERT_VIOLATIONDATA_RACE === [P0Err0ASSERT_VIOLATIONDATA_RACE, P0Err1ASSERT_VIOLATIONDATA_RACE, P0Err2ASSERT_VIOLATIONDATA_RACE, P0Err3ASSERT_VIOLATIONDATA_RACE (and 991 more)] === [2024-11-20 13:31:42,205 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 13:31:42,205 INFO L85 PathProgramCache]: Analyzing trace with hash 46951578, now seen corresponding path program 1 times [2024-11-20 13:31:42,213 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 13:31:42,214 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1001011259] [2024-11-20 13:31:42,215 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 13:31:42,215 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 13:31:42,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 13:31:42,543 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 13:31:42,544 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 13:31:42,544 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1001011259] [2024-11-20 13:31:42,545 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1001011259] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 13:31:42,545 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 13:31:42,546 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-20 13:31:42,547 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [431728964] [2024-11-20 13:31:42,547 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 13:31:42,556 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-20 13:31:42,561 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 13:31:42,587 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-20 13:31:42,587 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-20 13:31:42,592 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 125 out of 728 [2024-11-20 13:31:42,596 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 734 places, 724 transitions, 1460 flow. Second operand has 2 states, 2 states have (on average 126.0) internal successors, (252), 2 states have internal predecessors, (252), 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 13:31:42,597 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-20 13:31:42,597 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 125 of 728 [2024-11-20 13:31:42,598 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-20 13:32:08,723 INFO L124 PetriNetUnfolderBase]: 11279/30848 cut-off events. [2024-11-20 13:32:08,723 INFO L125 PetriNetUnfolderBase]: For 186/186 co-relation queries the response was YES. [2024-11-20 13:32:08,867 INFO L83 FinitePrefix]: Finished finitePrefix Result has 46290 conditions, 30848 events. 11279/30848 cut-off events. For 186/186 co-relation queries the response was YES. Maximal size of possible extension queue 1243. Compared 385926 event pairs, 11279 based on Foata normal form. 2642/31491 useless extension candidates. Maximal degree in co-relation 46218. Up to 15065 conditions per place. [2024-11-20 13:32:09,034 INFO L140 encePairwiseOnDemand]: 151/728 looper letters, 25 selfloop transitions, 0 changer transitions 0/145 dead transitions. [2024-11-20 13:32:09,035 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 159 places, 145 transitions, 352 flow [2024-11-20 13:32:09,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-20 13:32:09,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2024-11-20 13:32:09,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 852 transitions. [2024-11-20 13:32:09,060 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5851648351648352 [2024-11-20 13:32:09,065 INFO L175 Difference]: Start difference. First operand has 734 places, 724 transitions, 1460 flow. Second operand 2 states and 852 transitions. [2024-11-20 13:32:09,067 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 159 places, 145 transitions, 352 flow [2024-11-20 13:32:09,070 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 155 places, 145 transitions, 348 flow, removed 0 selfloop flow, removed 4 redundant places. [2024-11-20 13:32:09,074 INFO L231 Difference]: Finished difference. Result has 155 places, 145 transitions, 298 flow [2024-11-20 13:32:09,076 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=728, PETRI_DIFFERENCE_MINUEND_FLOW=298, PETRI_DIFFERENCE_MINUEND_PLACES=154, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=145, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=145, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=298, PETRI_PLACES=155, PETRI_TRANSITIONS=145} [2024-11-20 13:32:09,081 INFO L277 CegarLoopForPetriNet]: 734 programPoint places, -579 predicate places. [2024-11-20 13:32:09,081 INFO L471 AbstractCegarLoop]: Abstraction has has 155 places, 145 transitions, 298 flow [2024-11-20 13:32:09,082 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 126.0) internal successors, (252), 2 states have internal predecessors, (252), 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 13:32:09,082 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-20 13:32:09,082 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 13:32:09,082 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-20 13:32:09,082 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [P0Err0ASSERT_VIOLATIONDATA_RACE, P0Err1ASSERT_VIOLATIONDATA_RACE, P0Err2ASSERT_VIOLATIONDATA_RACE, P0Err3ASSERT_VIOLATIONDATA_RACE (and 991 more)] === [2024-11-20 13:32:09,083 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 13:32:09,083 INFO L85 PathProgramCache]: Analyzing trace with hash 1247500997, now seen corresponding path program 1 times [2024-11-20 13:32:09,083 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 13:32:09,083 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1624403644] [2024-11-20 13:32:09,083 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 13:32:09,083 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 13:32:09,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 13:32:09,315 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 13:32:09,315 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 13:32:09,316 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1624403644] [2024-11-20 13:32:09,316 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1624403644] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 13:32:09,316 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 13:32:09,316 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-20 13:32:09,317 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1550705607] [2024-11-20 13:32:09,317 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 13:32:09,318 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 13:32:09,319 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 13:32:09,319 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 13:32:09,319 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 13:32:09,323 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 122 out of 728 [2024-11-20 13:32:09,324 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 155 places, 145 transitions, 298 flow. Second operand has 3 states, 3 states have (on average 124.33333333333333) internal successors, (373), 3 states have internal predecessors, (373), 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 13:32:09,324 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-20 13:32:09,325 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 122 of 728 [2024-11-20 13:32:09,325 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand