./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/safe018_pso.oepc_pso.opt_tso.oepc_tso.opt.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 4a390ef5 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/safe018_pso.oepc_pso.opt_tso.oepc_tso.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 e136f4ab00a1c93eb400bb9f2a21b2887cfec20e18dff1c5960bc25f16f1bcad --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4a390ef-m [2024-10-24 15:16:43,884 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-24 15:16:43,936 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-10-24 15:16:43,939 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-24 15:16:43,939 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-24 15:16:43,967 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-24 15:16:43,967 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-24 15:16:43,967 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-24 15:16:43,968 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-24 15:16:43,968 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-24 15:16:43,968 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-24 15:16:43,969 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-24 15:16:43,969 INFO L153 SettingsManager]: * Use SBE=true [2024-10-24 15:16:43,970 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-24 15:16:43,970 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-24 15:16:43,970 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-24 15:16:43,970 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-24 15:16:43,971 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-24 15:16:43,971 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-24 15:16:43,971 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-24 15:16:43,971 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-24 15:16:43,974 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-24 15:16:43,974 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-10-24 15:16:43,974 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-24 15:16:43,975 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-24 15:16:43,975 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-24 15:16:43,975 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-24 15:16:43,975 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-24 15:16:43,976 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-24 15:16:43,976 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-24 15:16:43,976 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-24 15:16:43,976 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 15:16:43,976 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-24 15:16:43,977 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-24 15:16:43,977 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-24 15:16:43,977 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-24 15:16:43,977 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-24 15:16:43,978 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-24 15:16:43,978 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-24 15:16:43,980 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-24 15:16:43,981 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-24 15:16:43,981 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e136f4ab00a1c93eb400bb9f2a21b2887cfec20e18dff1c5960bc25f16f1bcad [2024-10-24 15:16:44,171 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-24 15:16:44,188 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-24 15:16:44,190 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-24 15:16:44,191 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-24 15:16:44,194 INFO L274 PluginConnector]: CDTParser initialized [2024-10-24 15:16:44,195 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/safe018_pso.oepc_pso.opt_tso.oepc_tso.opt.i [2024-10-24 15:16:45,395 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-24 15:16:45,590 INFO L384 CDTParser]: Found 1 translation units. [2024-10-24 15:16:45,592 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/safe018_pso.oepc_pso.opt_tso.oepc_tso.opt.i [2024-10-24 15:16:45,602 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2c2430d19/ba627d301552448380ba11be0658fecb/FLAG4d6caf0e8 [2024-10-24 15:16:45,976 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2c2430d19/ba627d301552448380ba11be0658fecb [2024-10-24 15:16:45,978 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-24 15:16:45,979 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-24 15:16:45,980 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-24 15:16:45,980 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-24 15:16:45,987 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-24 15:16:45,987 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 03:16:45" (1/1) ... [2024-10-24 15:16:45,988 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@e70530a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:16:45, skipping insertion in model container [2024-10-24 15:16:45,988 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 03:16:45" (1/1) ... [2024-10-24 15:16:46,034 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-24 15:16:46,346 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 15:16:46,362 INFO L200 MainTranslator]: Completed pre-run [2024-10-24 15:16:46,407 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 15:16:46,463 INFO L204 MainTranslator]: Completed translation [2024-10-24 15:16:46,464 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:16:46 WrapperNode [2024-10-24 15:16:46,464 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-24 15:16:46,465 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-24 15:16:46,465 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-24 15:16:46,465 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-24 15:16:46,471 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:16:46" (1/1) ... [2024-10-24 15:16:46,485 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:16:46" (1/1) ... [2024-10-24 15:16:46,528 INFO L138 Inliner]: procedures = 175, calls = 40, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 88 [2024-10-24 15:16:46,530 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-24 15:16:46,531 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-24 15:16:46,531 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-24 15:16:46,531 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-24 15:16:46,540 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:16:46" (1/1) ... [2024-10-24 15:16:46,540 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:16:46" (1/1) ... [2024-10-24 15:16:46,547 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:16:46" (1/1) ... [2024-10-24 15:16:46,548 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:16:46" (1/1) ... [2024-10-24 15:16:46,551 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:16:46" (1/1) ... [2024-10-24 15:16:46,553 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:16:46" (1/1) ... [2024-10-24 15:16:46,554 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:16:46" (1/1) ... [2024-10-24 15:16:46,555 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:16:46" (1/1) ... [2024-10-24 15:16:46,558 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-24 15:16:46,559 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-24 15:16:46,559 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-24 15:16:46,559 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-24 15:16:46,560 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:16:46" (1/1) ... [2024-10-24 15:16:46,565 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 15:16:46,576 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 15:16:46,595 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) [2024-10-24 15:16:46,605 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 [2024-10-24 15:16:46,642 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-10-24 15:16:46,642 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-24 15:16:46,643 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-10-24 15:16:46,643 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-10-24 15:16:46,643 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-10-24 15:16:46,643 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-10-24 15:16:46,644 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2024-10-24 15:16:46,644 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2024-10-24 15:16:46,644 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-10-24 15:16:46,644 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-10-24 15:16:46,644 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-24 15:16:46,644 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-24 15:16:46,646 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-10-24 15:16:46,751 INFO L238 CfgBuilder]: Building ICFG [2024-10-24 15:16:46,753 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-24 15:16:46,939 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-10-24 15:16:46,939 INFO L287 CfgBuilder]: Performing block encoding [2024-10-24 15:16:47,057 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-24 15:16:47,058 INFO L314 CfgBuilder]: Removed 0 assume(true) statements. [2024-10-24 15:16:47,059 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 03:16:47 BoogieIcfgContainer [2024-10-24 15:16:47,059 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-24 15:16:47,061 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-24 15:16:47,061 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-24 15:16:47,064 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-24 15:16:47,065 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 03:16:45" (1/3) ... [2024-10-24 15:16:47,066 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d5627fb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 03:16:47, skipping insertion in model container [2024-10-24 15:16:47,066 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:16:46" (2/3) ... [2024-10-24 15:16:47,066 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d5627fb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 03:16:47, skipping insertion in model container [2024-10-24 15:16:47,066 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 03:16:47" (3/3) ... [2024-10-24 15:16:47,067 INFO L112 eAbstractionObserver]: Analyzing ICFG safe018_pso.oepc_pso.opt_tso.oepc_tso.opt.i [2024-10-24 15:16:47,082 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-24 15:16:47,083 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 22 error locations. [2024-10-24 15:16:47,083 INFO L484 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-10-24 15:16:47,126 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-10-24 15:16:47,159 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 121 places, 114 transitions, 240 flow [2024-10-24 15:16:47,203 INFO L124 PetriNetUnfolderBase]: 3/111 cut-off events. [2024-10-24 15:16:47,203 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-10-24 15:16:47,209 INFO L83 FinitePrefix]: Finished finitePrefix Result has 121 conditions, 111 events. 3/111 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 126 event pairs, 0 based on Foata normal form. 0/86 useless extension candidates. Maximal degree in co-relation 94. Up to 2 conditions per place. [2024-10-24 15:16:47,209 INFO L82 GeneralOperation]: Start removeDead. Operand has 121 places, 114 transitions, 240 flow [2024-10-24 15:16:47,213 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 118 places, 111 transitions, 231 flow [2024-10-24 15:16:47,223 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-24 15:16:47,229 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;@6da69f56, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-24 15:16:47,229 INFO L334 AbstractCegarLoop]: Starting to check reachability of 39 error locations. [2024-10-24 15:16:47,236 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-10-24 15:16:47,236 INFO L124 PetriNetUnfolderBase]: 0/24 cut-off events. [2024-10-24 15:16:47,237 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-10-24 15:16:47,237 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 15:16:47,237 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] [2024-10-24 15:16:47,238 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting P0Err0ASSERT_VIOLATIONDATA_RACE === [P0Err0ASSERT_VIOLATIONDATA_RACE, P0Err1ASSERT_VIOLATIONDATA_RACE, P0Err2ASSERT_VIOLATIONDATA_RACE, P0Err3ASSERT_VIOLATIONDATA_RACE (and 35 more)] === [2024-10-24 15:16:47,242 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 15:16:47,242 INFO L85 PathProgramCache]: Analyzing trace with hash 1402493059, now seen corresponding path program 1 times [2024-10-24 15:16:47,249 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 15:16:47,250 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [287147058] [2024-10-24 15:16:47,250 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 15:16:47,250 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 15:16:47,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 15:16:47,396 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 15:16:47,397 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 15:16:47,397 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [287147058] [2024-10-24 15:16:47,398 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [287147058] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 15:16:47,399 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 15:16:47,399 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-10-24 15:16:47,402 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1312299804] [2024-10-24 15:16:47,403 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 15:16:47,433 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-24 15:16:47,442 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 15:16:47,487 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-24 15:16:47,487 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-24 15:16:47,491 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 77 out of 114 [2024-10-24 15:16:47,493 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 118 places, 111 transitions, 231 flow. Second operand has 2 states, 2 states have (on average 78.0) internal successors, (156), 2 states have internal predecessors, (156), 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) [2024-10-24 15:16:47,493 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 15:16:47,494 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 77 of 114 [2024-10-24 15:16:47,494 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 15:16:47,651 INFO L124 PetriNetUnfolderBase]: 285/692 cut-off events. [2024-10-24 15:16:47,651 INFO L125 PetriNetUnfolderBase]: For 17/17 co-relation queries the response was YES. [2024-10-24 15:16:47,655 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1176 conditions, 692 events. 285/692 cut-off events. For 17/17 co-relation queries the response was YES. Maximal size of possible extension queue 60. Compared 4059 event pairs, 285 based on Foata normal form. 67/704 useless extension candidates. Maximal degree in co-relation 1147. Up to 446 conditions per place. [2024-10-24 15:16:47,662 INFO L140 encePairwiseOnDemand]: 91/114 looper letters, 13 selfloop transitions, 0 changer transitions 0/86 dead transitions. [2024-10-24 15:16:47,663 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 97 places, 86 transitions, 207 flow [2024-10-24 15:16:47,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-24 15:16:47,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2024-10-24 15:16:47,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 190 transitions. [2024-10-24 15:16:47,674 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8333333333333334 [2024-10-24 15:16:47,675 INFO L175 Difference]: Start difference. First operand has 118 places, 111 transitions, 231 flow. Second operand 2 states and 190 transitions. [2024-10-24 15:16:47,676 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 97 places, 86 transitions, 207 flow [2024-10-24 15:16:47,678 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 94 places, 86 transitions, 204 flow, removed 0 selfloop flow, removed 3 redundant places. [2024-10-24 15:16:47,683 INFO L231 Difference]: Finished difference. Result has 94 places, 86 transitions, 178 flow [2024-10-24 15:16:47,684 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=114, PETRI_DIFFERENCE_MINUEND_FLOW=178, PETRI_DIFFERENCE_MINUEND_PLACES=93, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=86, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=86, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=178, PETRI_PLACES=94, PETRI_TRANSITIONS=86} [2024-10-24 15:16:47,692 INFO L277 CegarLoopForPetriNet]: 118 programPoint places, -24 predicate places. [2024-10-24 15:16:47,692 INFO L471 AbstractCegarLoop]: Abstraction has has 94 places, 86 transitions, 178 flow [2024-10-24 15:16:47,692 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 78.0) internal successors, (156), 2 states have internal predecessors, (156), 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) [2024-10-24 15:16:47,692 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 15:16:47,692 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] [2024-10-24 15:16:47,693 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-24 15:16:47,693 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [P0Err0ASSERT_VIOLATIONDATA_RACE, P0Err1ASSERT_VIOLATIONDATA_RACE, P0Err2ASSERT_VIOLATIONDATA_RACE, P0Err3ASSERT_VIOLATIONDATA_RACE (and 35 more)] === [2024-10-24 15:16:47,693 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 15:16:47,693 INFO L85 PathProgramCache]: Analyzing trace with hash 1595570497, now seen corresponding path program 1 times [2024-10-24 15:16:47,693 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 15:16:47,694 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [734705753] [2024-10-24 15:16:47,694 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 15:16:47,694 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 15:16:47,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 15:16:47,813 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 15:16:47,814 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 15:16:47,814 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [734705753] [2024-10-24 15:16:47,814 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [734705753] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 15:16:47,814 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 15:16:47,815 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-24 15:16:47,815 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1315083227] [2024-10-24 15:16:47,815 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 15:16:47,816 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 15:16:47,816 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 15:16:47,817 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 15:16:47,817 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 15:16:47,819 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 74 out of 114 [2024-10-24 15:16:47,820 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 94 places, 86 transitions, 178 flow. Second operand has 3 states, 3 states have (on average 76.0) internal successors, (228), 3 states have internal predecessors, (228), 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) [2024-10-24 15:16:47,820 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 15:16:47,820 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 74 of 114 [2024-10-24 15:16:47,820 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 15:16:47,985 INFO L124 PetriNetUnfolderBase]: 493/2070 cut-off events. [2024-10-24 15:16:47,985 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-10-24 15:16:48,017 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2856 conditions, 2070 events. 493/2070 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 77. Compared 17496 event pairs, 181 based on Foata normal form. 0/1912 useless extension candidates. Maximal degree in co-relation 2853. Up to 456 conditions per place. [2024-10-24 15:16:48,032 INFO L140 encePairwiseOnDemand]: 112/114 looper letters, 22 selfloop transitions, 1 changer transitions 0/93 dead transitions. [2024-10-24 15:16:48,032 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 95 places, 93 transitions, 238 flow [2024-10-24 15:16:48,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 15:16:48,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-24 15:16:48,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 246 transitions. [2024-10-24 15:16:48,036 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7192982456140351 [2024-10-24 15:16:48,036 INFO L175 Difference]: Start difference. First operand has 94 places, 86 transitions, 178 flow. Second operand 3 states and 246 transitions. [2024-10-24 15:16:48,036 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 95 places, 93 transitions, 238 flow [2024-10-24 15:16:48,037 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 95 places, 93 transitions, 238 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-10-24 15:16:48,044 INFO L231 Difference]: Finished difference. Result has 95 places, 85 transitions, 178 flow [2024-10-24 15:16:48,044 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=114, PETRI_DIFFERENCE_MINUEND_FLOW=176, PETRI_DIFFERENCE_MINUEND_PLACES=93, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=85, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=84, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=178, PETRI_PLACES=95, PETRI_TRANSITIONS=85} [2024-10-24 15:16:48,044 INFO L277 CegarLoopForPetriNet]: 118 programPoint places, -23 predicate places. [2024-10-24 15:16:48,044 INFO L471 AbstractCegarLoop]: Abstraction has has 95 places, 85 transitions, 178 flow [2024-10-24 15:16:48,045 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 76.0) internal successors, (228), 3 states have internal predecessors, (228), 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) [2024-10-24 15:16:48,045 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 15:16:48,045 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] [2024-10-24 15:16:48,045 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-24 15:16:48,045 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [P0Err0ASSERT_VIOLATIONDATA_RACE, P0Err1ASSERT_VIOLATIONDATA_RACE, P0Err2ASSERT_VIOLATIONDATA_RACE, P0Err3ASSERT_VIOLATIONDATA_RACE (and 35 more)] === [2024-10-24 15:16:48,046 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 15:16:48,046 INFO L85 PathProgramCache]: Analyzing trace with hash 1809398833, now seen corresponding path program 1 times [2024-10-24 15:16:48,046 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 15:16:48,047 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [995390068] [2024-10-24 15:16:48,047 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 15:16:48,051 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 15:16:48,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 15:16:48,152 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 15:16:48,153 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 15:16:48,153 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [995390068] [2024-10-24 15:16:48,153 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [995390068] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 15:16:48,153 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 15:16:48,153 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-24 15:16:48,154 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1830784368] [2024-10-24 15:16:48,154 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 15:16:48,154 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 15:16:48,154 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 15:16:48,155 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 15:16:48,155 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 15:16:48,160 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 74 out of 114 [2024-10-24 15:16:48,160 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 95 places, 85 transitions, 178 flow. Second operand has 3 states, 3 states have (on average 76.33333333333333) internal successors, (229), 3 states have internal predecessors, (229), 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) [2024-10-24 15:16:48,161 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 15:16:48,161 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 74 of 114 [2024-10-24 15:16:48,161 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 15:16:48,292 INFO L124 PetriNetUnfolderBase]: 493/1603 cut-off events. [2024-10-24 15:16:48,293 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-10-24 15:16:48,296 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2391 conditions, 1603 events. 493/1603 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 76. Compared 12201 event pairs, 285 based on Foata normal form. 0/1503 useless extension candidates. Maximal degree in co-relation 2387. Up to 446 conditions per place. [2024-10-24 15:16:48,298 INFO L140 encePairwiseOnDemand]: 112/114 looper letters, 0 selfloop transitions, 0 changer transitions 92/92 dead transitions. [2024-10-24 15:16:48,298 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 96 places, 92 transitions, 238 flow [2024-10-24 15:16:48,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 15:16:48,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-24 15:16:48,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 246 transitions. [2024-10-24 15:16:48,302 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7192982456140351 [2024-10-24 15:16:48,302 INFO L175 Difference]: Start difference. First operand has 95 places, 85 transitions, 178 flow. Second operand 3 states and 246 transitions. [2024-10-24 15:16:48,302 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 96 places, 92 transitions, 238 flow [2024-10-24 15:16:48,305 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 95 places, 92 transitions, 237 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-10-24 15:16:48,306 INFO L231 Difference]: Finished difference. Result has 95 places, 0 transitions, 0 flow [2024-10-24 15:16:48,306 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=114, PETRI_DIFFERENCE_MINUEND_FLOW=175, PETRI_DIFFERENCE_MINUEND_PLACES=93, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=84, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=84, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=95, PETRI_TRANSITIONS=0} [2024-10-24 15:16:48,307 INFO L277 CegarLoopForPetriNet]: 118 programPoint places, -23 predicate places. [2024-10-24 15:16:48,307 INFO L471 AbstractCegarLoop]: Abstraction has has 95 places, 0 transitions, 0 flow [2024-10-24 15:16:48,307 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 76.33333333333333) internal successors, (229), 3 states have internal predecessors, (229), 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) [2024-10-24 15:16:48,310 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONDATA_RACE (38 of 39 remaining) [2024-10-24 15:16:48,310 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONDATA_RACE (37 of 39 remaining) [2024-10-24 15:16:48,311 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err2ASSERT_VIOLATIONDATA_RACE (36 of 39 remaining) [2024-10-24 15:16:48,311 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err3ASSERT_VIOLATIONDATA_RACE (35 of 39 remaining) [2024-10-24 15:16:48,311 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err4ASSERT_VIOLATIONDATA_RACE (34 of 39 remaining) [2024-10-24 15:16:48,311 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err5ASSERT_VIOLATIONDATA_RACE (33 of 39 remaining) [2024-10-24 15:16:48,311 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONDATA_RACE (32 of 39 remaining) [2024-10-24 15:16:48,311 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONDATA_RACE (31 of 39 remaining) [2024-10-24 15:16:48,312 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err2ASSERT_VIOLATIONDATA_RACE (30 of 39 remaining) [2024-10-24 15:16:48,313 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONDATA_RACE (29 of 39 remaining) [2024-10-24 15:16:48,314 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONDATA_RACE (28 of 39 remaining) [2024-10-24 15:16:48,314 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err2ASSERT_VIOLATIONDATA_RACE (27 of 39 remaining) [2024-10-24 15:16:48,314 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err3ASSERT_VIOLATIONDATA_RACE (26 of 39 remaining) [2024-10-24 15:16:48,314 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err4ASSERT_VIOLATIONDATA_RACE (25 of 39 remaining) [2024-10-24 15:16:48,315 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (24 of 39 remaining) [2024-10-24 15:16:48,315 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (23 of 39 remaining) [2024-10-24 15:16:48,315 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (22 of 39 remaining) [2024-10-24 15:16:48,316 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (21 of 39 remaining) [2024-10-24 15:16:48,316 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (20 of 39 remaining) [2024-10-24 15:16:48,316 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (19 of 39 remaining) [2024-10-24 15:16:48,316 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (18 of 39 remaining) [2024-10-24 15:16:48,316 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (17 of 39 remaining) [2024-10-24 15:16:48,316 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (16 of 39 remaining) [2024-10-24 15:16:48,317 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (15 of 39 remaining) [2024-10-24 15:16:48,317 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (14 of 39 remaining) [2024-10-24 15:16:48,318 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONDATA_RACE (13 of 39 remaining) [2024-10-24 15:16:48,318 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONDATA_RACE (12 of 39 remaining) [2024-10-24 15:16:48,318 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err2ASSERT_VIOLATIONDATA_RACE (11 of 39 remaining) [2024-10-24 15:16:48,318 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err3ASSERT_VIOLATIONDATA_RACE (10 of 39 remaining) [2024-10-24 15:16:48,318 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err4ASSERT_VIOLATIONDATA_RACE (9 of 39 remaining) [2024-10-24 15:16:48,318 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err5ASSERT_VIOLATIONDATA_RACE (8 of 39 remaining) [2024-10-24 15:16:48,319 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONDATA_RACE (7 of 39 remaining) [2024-10-24 15:16:48,319 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONDATA_RACE (6 of 39 remaining) [2024-10-24 15:16:48,319 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err2ASSERT_VIOLATIONDATA_RACE (5 of 39 remaining) [2024-10-24 15:16:48,319 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONDATA_RACE (4 of 39 remaining) [2024-10-24 15:16:48,319 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONDATA_RACE (3 of 39 remaining) [2024-10-24 15:16:48,319 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err2ASSERT_VIOLATIONDATA_RACE (2 of 39 remaining) [2024-10-24 15:16:48,320 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err3ASSERT_VIOLATIONDATA_RACE (1 of 39 remaining) [2024-10-24 15:16:48,320 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err4ASSERT_VIOLATIONDATA_RACE (0 of 39 remaining) [2024-10-24 15:16:48,321 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-24 15:16:48,321 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2024-10-24 15:16:48,327 INFO L234 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-10-24 15:16:48,328 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-24 15:16:48,331 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.10 03:16:48 BasicIcfg [2024-10-24 15:16:48,334 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-24 15:16:48,334 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-24 15:16:48,335 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-24 15:16:48,335 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-24 15:16:48,335 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 03:16:47" (3/4) ... [2024-10-24 15:16:48,336 INFO L139 WitnessPrinter]: Generating witness for correct program [2024-10-24 15:16:48,338 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P0 [2024-10-24 15:16:48,338 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P1 [2024-10-24 15:16:48,339 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P2 [2024-10-24 15:16:48,342 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2024-10-24 15:16:48,343 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-10-24 15:16:48,344 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-10-24 15:16:48,344 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-10-24 15:16:48,415 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-10-24 15:16:48,416 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-10-24 15:16:48,416 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-24 15:16:48,417 INFO L158 Benchmark]: Toolchain (without parser) took 2437.70ms. Allocated memory was 159.4MB in the beginning and 209.7MB in the end (delta: 50.3MB). Free memory was 84.9MB in the beginning and 83.0MB in the end (delta: 1.9MB). Peak memory consumption was 52.4MB. Max. memory is 16.1GB. [2024-10-24 15:16:48,417 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 159.4MB. Free memory was 111.3MB in the beginning and 111.1MB in the end (delta: 159.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-24 15:16:48,417 INFO L158 Benchmark]: CACSL2BoogieTranslator took 484.15ms. Allocated memory is still 159.4MB. Free memory was 84.8MB in the beginning and 126.8MB in the end (delta: -42.0MB). Peak memory consumption was 29.6MB. Max. memory is 16.1GB. [2024-10-24 15:16:48,418 INFO L158 Benchmark]: Boogie Procedure Inliner took 65.71ms. Allocated memory was 159.4MB in the beginning and 209.7MB in the end (delta: 50.3MB). Free memory was 126.7MB in the beginning and 178.0MB in the end (delta: -51.2MB). Peak memory consumption was 8.6MB. Max. memory is 16.1GB. [2024-10-24 15:16:48,418 INFO L158 Benchmark]: Boogie Preprocessor took 26.74ms. Allocated memory is still 209.7MB. Free memory was 178.0MB in the beginning and 176.9MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-24 15:16:48,418 INFO L158 Benchmark]: RCFGBuilder took 500.42ms. Allocated memory is still 209.7MB. Free memory was 176.9MB in the beginning and 146.5MB in the end (delta: 30.4MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2024-10-24 15:16:48,418 INFO L158 Benchmark]: TraceAbstraction took 1273.28ms. Allocated memory is still 209.7MB. Free memory was 146.5MB in the beginning and 88.3MB in the end (delta: 58.2MB). Peak memory consumption was 56.2MB. Max. memory is 16.1GB. [2024-10-24 15:16:48,419 INFO L158 Benchmark]: Witness Printer took 82.05ms. Allocated memory is still 209.7MB. Free memory was 87.2MB in the beginning and 83.0MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-24 15:16:48,420 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 159.4MB. Free memory was 111.3MB in the beginning and 111.1MB in the end (delta: 159.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 484.15ms. Allocated memory is still 159.4MB. Free memory was 84.8MB in the beginning and 126.8MB in the end (delta: -42.0MB). Peak memory consumption was 29.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 65.71ms. Allocated memory was 159.4MB in the beginning and 209.7MB in the end (delta: 50.3MB). Free memory was 126.7MB in the beginning and 178.0MB in the end (delta: -51.2MB). Peak memory consumption was 8.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 26.74ms. Allocated memory is still 209.7MB. Free memory was 178.0MB in the beginning and 176.9MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 500.42ms. Allocated memory is still 209.7MB. Free memory was 176.9MB in the beginning and 146.5MB in the end (delta: 30.4MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. * TraceAbstraction took 1273.28ms. Allocated memory is still 209.7MB. Free memory was 146.5MB in the beginning and 88.3MB in the end (delta: 58.2MB). Peak memory consumption was 56.2MB. Max. memory is 16.1GB. * Witness Printer took 82.05ms. Allocated memory is still 209.7MB. Free memory was 87.2MB in the beginning and 83.0MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 725]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 725]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 728]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 728]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 733]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 733]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 740]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 745]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 745]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 752]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 752]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 755]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 760]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 760]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 782]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 782]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 784]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 788]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 788]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 788]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 788]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 790]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 152 locations, 39 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 1.2s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 25 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 19 mSDsluCounter, 2 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 82 IncrementalHoareTripleChecker+Invalid, 84 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 2 mSDtfsCounter, 82 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=231occurred in iteration=0, InterpolantAutomatonStates: 8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 113 NumberOfCodeBlocks, 113 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 110 ConstructedInterpolants, 0 QuantifiedInterpolants, 114 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 22 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-10-24 15:16:48,444 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE