./Ultimate.py --spec ../sv-benchmarks/c/properties/no-data-race.prp --file ../sv-benchmarks/c/goblint-regression/13-privatized_67-pthread_cond_wait_unknown_1_pos.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 551b0097 Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/goblint-regression/13-privatized_67-pthread_cond_wait_unknown_1_pos.i -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/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 1cd82b96c01a730247618eab1464d47c03eec9013c1d245312913e94981f2bce --- Real Ultimate output --- This is Ultimate 0.3.0-?-551b009-m [2025-01-09 21:26:23,395 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-01-09 21:26:23,453 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2025-01-09 21:26:23,459 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-01-09 21:26:23,459 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-01-09 21:26:23,477 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-01-09 21:26:23,478 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-01-09 21:26:23,479 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-01-09 21:26:23,479 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-01-09 21:26:23,479 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-01-09 21:26:23,480 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-01-09 21:26:23,480 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-01-09 21:26:23,480 INFO L153 SettingsManager]: * Use SBE=true [2025-01-09 21:26:23,481 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-01-09 21:26:23,481 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-01-09 21:26:23,481 INFO L153 SettingsManager]: * sizeof long=4 [2025-01-09 21:26:23,481 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-01-09 21:26:23,481 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-01-09 21:26:23,481 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-01-09 21:26:23,481 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-01-09 21:26:23,481 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-01-09 21:26:23,481 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-01-09 21:26:23,482 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2025-01-09 21:26:23,482 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-01-09 21:26:23,482 INFO L153 SettingsManager]: * sizeof long double=12 [2025-01-09 21:26:23,482 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-01-09 21:26:23,482 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-01-09 21:26:23,482 INFO L153 SettingsManager]: * Use constant arrays=true [2025-01-09 21:26:23,482 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-01-09 21:26:23,482 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 21:26:23,482 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 21:26:23,482 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 21:26:23,482 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-01-09 21:26:23,483 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 21:26:23,483 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 21:26:23,483 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 21:26:23,483 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-01-09 21:26:23,483 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-01-09 21:26:23,483 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-01-09 21:26:23,484 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-01-09 21:26:23,484 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-01-09 21:26:23,484 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-01-09 21:26:23,484 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-01-09 21:26:23,484 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-01-09 21:26:23,484 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-01-09 21:26:23,484 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-01-09 21:26:23,484 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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-jdk21/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 -> 1cd82b96c01a730247618eab1464d47c03eec9013c1d245312913e94981f2bce [2025-01-09 21:26:23,698 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-01-09 21:26:23,704 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-01-09 21:26:23,706 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-01-09 21:26:23,706 INFO L270 PluginConnector]: Initializing CDTParser... [2025-01-09 21:26:23,707 INFO L274 PluginConnector]: CDTParser initialized [2025-01-09 21:26:23,707 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/goblint-regression/13-privatized_67-pthread_cond_wait_unknown_1_pos.i [2025-01-09 21:26:24,817 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/461c54ffd/fc09f35ce2584758a565710f7e04d588/FLAG980cfef7a [2025-01-09 21:26:25,118 INFO L384 CDTParser]: Found 1 translation units. [2025-01-09 21:26:25,120 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/goblint-regression/13-privatized_67-pthread_cond_wait_unknown_1_pos.i [2025-01-09 21:26:25,136 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/461c54ffd/fc09f35ce2584758a565710f7e04d588/FLAG980cfef7a [2025-01-09 21:26:25,386 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/461c54ffd/fc09f35ce2584758a565710f7e04d588 [2025-01-09 21:26:25,388 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-01-09 21:26:25,389 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-01-09 21:26:25,391 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-01-09 21:26:25,391 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-01-09 21:26:25,395 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-01-09 21:26:25,395 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 09:26:25" (1/1) ... [2025-01-09 21:26:25,396 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@45239f14 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:26:25, skipping insertion in model container [2025-01-09 21:26:25,396 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 09:26:25" (1/1) ... [2025-01-09 21:26:25,426 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-01-09 21:26:25,797 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 21:26:25,815 INFO L200 MainTranslator]: Completed pre-run [2025-01-09 21:26:25,865 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 21:26:25,920 INFO L204 MainTranslator]: Completed translation [2025-01-09 21:26:25,921 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:26:25 WrapperNode [2025-01-09 21:26:25,921 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-01-09 21:26:25,922 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-01-09 21:26:25,922 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-01-09 21:26:25,922 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-01-09 21:26:25,926 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:26:25" (1/1) ... [2025-01-09 21:26:25,936 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:26:25" (1/1) ... [2025-01-09 21:26:25,954 INFO L138 Inliner]: procedures = 354, calls = 22, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 166 [2025-01-09 21:26:25,955 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-01-09 21:26:25,955 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-01-09 21:26:25,955 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-01-09 21:26:25,955 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-01-09 21:26:25,959 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:26:25" (1/1) ... [2025-01-09 21:26:25,959 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:26:25" (1/1) ... [2025-01-09 21:26:25,962 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:26:25" (1/1) ... [2025-01-09 21:26:25,962 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:26:25" (1/1) ... [2025-01-09 21:26:25,969 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:26:25" (1/1) ... [2025-01-09 21:26:25,970 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:26:25" (1/1) ... [2025-01-09 21:26:25,971 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:26:25" (1/1) ... [2025-01-09 21:26:25,974 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:26:25" (1/1) ... [2025-01-09 21:26:25,975 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:26:25" (1/1) ... [2025-01-09 21:26:25,981 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-01-09 21:26:25,982 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-01-09 21:26:25,982 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-01-09 21:26:25,982 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-01-09 21:26:25,983 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:26:25" (1/1) ... [2025-01-09 21:26:25,986 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 21:26:25,998 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 21:26:26,014 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-01-09 21:26:26,020 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-01-09 21:26:26,039 INFO L130 BoogieDeclarations]: Found specification of procedure f1 [2025-01-09 21:26:26,040 INFO L138 BoogieDeclarations]: Found implementation of procedure f1 [2025-01-09 21:26:26,040 INFO L130 BoogieDeclarations]: Found specification of procedure f2 [2025-01-09 21:26:26,040 INFO L138 BoogieDeclarations]: Found implementation of procedure f2 [2025-01-09 21:26:26,040 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2025-01-09 21:26:26,040 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2025-01-09 21:26:26,040 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-01-09 21:26:26,040 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2025-01-09 21:26:26,040 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-01-09 21:26:26,040 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-01-09 21:26:26,041 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2025-01-09 21:26:26,216 INFO L234 CfgBuilder]: Building ICFG [2025-01-09 21:26:26,217 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-01-09 21:26:26,388 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-01-09 21:26:26,389 INFO L283 CfgBuilder]: Performing block encoding [2025-01-09 21:26:26,408 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-01-09 21:26:26,409 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2025-01-09 21:26:26,409 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 09:26:26 BoogieIcfgContainer [2025-01-09 21:26:26,409 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-01-09 21:26:26,411 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-01-09 21:26:26,411 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-01-09 21:26:26,414 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-01-09 21:26:26,414 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.01 09:26:25" (1/3) ... [2025-01-09 21:26:26,414 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@75babcc8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 09:26:26, skipping insertion in model container [2025-01-09 21:26:26,415 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:26:25" (2/3) ... [2025-01-09 21:26:26,416 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@75babcc8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 09:26:26, skipping insertion in model container [2025-01-09 21:26:26,416 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 09:26:26" (3/3) ... [2025-01-09 21:26:26,416 INFO L128 eAbstractionObserver]: Analyzing ICFG 13-privatized_67-pthread_cond_wait_unknown_1_pos.i [2025-01-09 21:26:26,426 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-01-09 21:26:26,427 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG 13-privatized_67-pthread_cond_wait_unknown_1_pos.i that has 3 procedures, 206 locations, 1 initial locations, 0 loop locations, and 5 error locations. [2025-01-09 21:26:26,427 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-01-09 21:26:26,493 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2025-01-09 21:26:26,515 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 212 places, 207 transitions, 428 flow [2025-01-09 21:26:26,563 INFO L124 PetriNetUnfolderBase]: 2/205 cut-off events. [2025-01-09 21:26:26,565 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2025-01-09 21:26:26,568 INFO L83 FinitePrefix]: Finished finitePrefix Result has 214 conditions, 205 events. 2/205 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 100 event pairs, 0 based on Foata normal form. 0/198 useless extension candidates. Maximal degree in co-relation 68. Up to 2 conditions per place. [2025-01-09 21:26:26,568 INFO L82 GeneralOperation]: Start removeDead. Operand has 212 places, 207 transitions, 428 flow [2025-01-09 21:26:26,571 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 204 places, 199 transitions, 407 flow [2025-01-09 21:26:26,576 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-01-09 21:26:26,588 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;@2e9f2c9d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-09 21:26:26,588 INFO L334 AbstractCegarLoop]: Starting to check reachability of 12 error locations. [2025-01-09 21:26:26,616 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2025-01-09 21:26:26,616 INFO L124 PetriNetUnfolderBase]: 0/144 cut-off events. [2025-01-09 21:26:26,616 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-01-09 21:26:26,616 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-01-09 21:26:26,617 INFO L206 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 21:26:26,617 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting f1Err0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 10 more)] === [2025-01-09 21:26:26,621 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 21:26:26,621 INFO L85 PathProgramCache]: Analyzing trace with hash -437021517, now seen corresponding path program 1 times [2025-01-09 21:26:26,626 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 21:26:26,626 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [53828344] [2025-01-09 21:26:26,626 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 21:26:26,627 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 21:26:26,725 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 139 statements into 1 equivalence classes. [2025-01-09 21:26:26,751 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 139 of 139 statements. [2025-01-09 21:26:26,751 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 21:26:26,751 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 21:26:26,957 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-09 21:26:26,958 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 21:26:26,958 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [53828344] [2025-01-09 21:26:26,958 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [53828344] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 21:26:26,959 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 21:26:26,959 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-01-09 21:26:26,960 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [835224856] [2025-01-09 21:26:26,960 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 21:26:26,965 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-09 21:26:26,969 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 21:26:26,982 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-09 21:26:26,983 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-09 21:26:27,020 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 185 out of 207 [2025-01-09 21:26:27,023 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 204 places, 199 transitions, 407 flow. Second operand has 3 states, 3 states have (on average 186.66666666666666) internal successors, (560), 3 states have internal predecessors, (560), 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) [2025-01-09 21:26:27,023 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-01-09 21:26:27,023 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 185 of 207 [2025-01-09 21:26:27,023 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-01-09 21:26:27,150 INFO L124 PetriNetUnfolderBase]: 60/435 cut-off events. [2025-01-09 21:26:27,150 INFO L125 PetriNetUnfolderBase]: For 27/27 co-relation queries the response was YES. [2025-01-09 21:26:27,151 INFO L83 FinitePrefix]: Finished finitePrefix Result has 608 conditions, 435 events. 60/435 cut-off events. For 27/27 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 1630 event pairs, 45 based on Foata normal form. 23/424 useless extension candidates. Maximal degree in co-relation 446. Up to 120 conditions per place. [2025-01-09 21:26:27,153 INFO L140 encePairwiseOnDemand]: 199/207 looper letters, 20 selfloop transitions, 5 changer transitions 0/202 dead transitions. [2025-01-09 21:26:27,154 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 204 places, 202 transitions, 466 flow [2025-01-09 21:26:27,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-09 21:26:27,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-01-09 21:26:27,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 585 transitions. [2025-01-09 21:26:27,164 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9420289855072463 [2025-01-09 21:26:27,165 INFO L175 Difference]: Start difference. First operand has 204 places, 199 transitions, 407 flow. Second operand 3 states and 585 transitions. [2025-01-09 21:26:27,165 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 204 places, 202 transitions, 466 flow [2025-01-09 21:26:27,169 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 201 places, 202 transitions, 460 flow, removed 0 selfloop flow, removed 3 redundant places. [2025-01-09 21:26:27,173 INFO L231 Difference]: Finished difference. Result has 203 places, 199 transitions, 432 flow [2025-01-09 21:26:27,175 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=207, PETRI_DIFFERENCE_MINUEND_FLOW=394, PETRI_DIFFERENCE_MINUEND_PLACES=199, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=195, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=190, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=432, PETRI_PLACES=203, PETRI_TRANSITIONS=199} [2025-01-09 21:26:27,177 INFO L279 CegarLoopForPetriNet]: 204 programPoint places, -1 predicate places. [2025-01-09 21:26:27,178 INFO L471 AbstractCegarLoop]: Abstraction has has 203 places, 199 transitions, 432 flow [2025-01-09 21:26:27,178 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 186.66666666666666) internal successors, (560), 3 states have internal predecessors, (560), 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) [2025-01-09 21:26:27,178 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-01-09 21:26:27,178 INFO L206 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 21:26:27,179 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-01-09 21:26:27,179 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting f2Err0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 10 more)] === [2025-01-09 21:26:27,179 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 21:26:27,180 INFO L85 PathProgramCache]: Analyzing trace with hash -1865061468, now seen corresponding path program 1 times [2025-01-09 21:26:27,180 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 21:26:27,180 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1858333866] [2025-01-09 21:26:27,180 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 21:26:27,180 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 21:26:27,208 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 144 statements into 1 equivalence classes. [2025-01-09 21:26:27,220 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 144 of 144 statements. [2025-01-09 21:26:27,220 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 21:26:27,220 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 21:26:27,294 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-09 21:26:27,294 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 21:26:27,295 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1858333866] [2025-01-09 21:26:27,295 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1858333866] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 21:26:27,295 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 21:26:27,295 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-01-09 21:26:27,295 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [100881106] [2025-01-09 21:26:27,295 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 21:26:27,296 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-09 21:26:27,296 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 21:26:27,296 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-09 21:26:27,296 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-09 21:26:27,324 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 185 out of 207 [2025-01-09 21:26:27,325 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 203 places, 199 transitions, 432 flow. Second operand has 3 states, 3 states have (on average 186.66666666666666) internal successors, (560), 3 states have internal predecessors, (560), 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) [2025-01-09 21:26:27,326 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-01-09 21:26:27,326 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 185 of 207 [2025-01-09 21:26:27,326 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-01-09 21:26:27,419 INFO L124 PetriNetUnfolderBase]: 82/609 cut-off events. [2025-01-09 21:26:27,420 INFO L125 PetriNetUnfolderBase]: For 77/86 co-relation queries the response was YES. [2025-01-09 21:26:27,421 INFO L83 FinitePrefix]: Finished finitePrefix Result has 903 conditions, 609 events. 82/609 cut-off events. For 77/86 co-relation queries the response was YES. Maximal size of possible extension queue 29. Compared 2900 event pairs, 35 based on Foata normal form. 1/562 useless extension candidates. Maximal degree in co-relation 685. Up to 116 conditions per place. [2025-01-09 21:26:27,423 INFO L140 encePairwiseOnDemand]: 198/207 looper letters, 27 selfloop transitions, 9 changer transitions 0/215 dead transitions. [2025-01-09 21:26:27,423 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 205 places, 215 transitions, 551 flow [2025-01-09 21:26:27,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-09 21:26:27,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-01-09 21:26:27,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 590 transitions. [2025-01-09 21:26:27,425 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9500805152979066 [2025-01-09 21:26:27,425 INFO L175 Difference]: Start difference. First operand has 203 places, 199 transitions, 432 flow. Second operand 3 states and 590 transitions. [2025-01-09 21:26:27,425 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 205 places, 215 transitions, 551 flow [2025-01-09 21:26:27,426 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 203 places, 215 transitions, 537 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-01-09 21:26:27,428 INFO L231 Difference]: Finished difference. Result has 205 places, 207 transitions, 502 flow [2025-01-09 21:26:27,429 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=207, PETRI_DIFFERENCE_MINUEND_FLOW=422, PETRI_DIFFERENCE_MINUEND_PLACES=201, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=199, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=190, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=502, PETRI_PLACES=205, PETRI_TRANSITIONS=207} [2025-01-09 21:26:27,429 INFO L279 CegarLoopForPetriNet]: 204 programPoint places, 1 predicate places. [2025-01-09 21:26:27,429 INFO L471 AbstractCegarLoop]: Abstraction has has 205 places, 207 transitions, 502 flow [2025-01-09 21:26:27,430 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 186.66666666666666) internal successors, (560), 3 states have internal predecessors, (560), 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) [2025-01-09 21:26:27,430 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-01-09 21:26:27,430 INFO L206 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 21:26:27,430 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-01-09 21:26:27,430 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting f1Err0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 10 more)] === [2025-01-09 21:26:27,431 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 21:26:27,431 INFO L85 PathProgramCache]: Analyzing trace with hash 1375337415, now seen corresponding path program 1 times [2025-01-09 21:26:27,431 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 21:26:27,431 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [87726407] [2025-01-09 21:26:27,431 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 21:26:27,431 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 21:26:27,454 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 150 statements into 1 equivalence classes. [2025-01-09 21:26:27,464 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 150 of 150 statements. [2025-01-09 21:26:27,464 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 21:26:27,464 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 21:26:27,678 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-09 21:26:27,679 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 21:26:27,679 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [87726407] [2025-01-09 21:26:27,679 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [87726407] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 21:26:27,679 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 21:26:27,679 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-09 21:26:27,679 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1724632415] [2025-01-09 21:26:27,679 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 21:26:27,679 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-09 21:26:27,679 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 21:26:27,680 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-09 21:26:27,680 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-09 21:26:27,694 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 193 out of 207 [2025-01-09 21:26:27,695 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 205 places, 207 transitions, 502 flow. Second operand has 3 states, 3 states have (on average 194.66666666666666) internal successors, (584), 3 states have internal predecessors, (584), 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) [2025-01-09 21:26:27,695 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-01-09 21:26:27,695 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 193 of 207 [2025-01-09 21:26:27,695 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-01-09 21:26:27,735 INFO L124 PetriNetUnfolderBase]: 8/308 cut-off events. [2025-01-09 21:26:27,735 INFO L125 PetriNetUnfolderBase]: For 36/36 co-relation queries the response was YES. [2025-01-09 21:26:27,736 INFO L83 FinitePrefix]: Finished finitePrefix Result has 409 conditions, 308 events. 8/308 cut-off events. For 36/36 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 531 event pairs, 5 based on Foata normal form. 4/301 useless extension candidates. Maximal degree in co-relation 205. Up to 18 conditions per place. [2025-01-09 21:26:27,737 INFO L140 encePairwiseOnDemand]: 201/207 looper letters, 6 selfloop transitions, 6 changer transitions 0/194 dead transitions. [2025-01-09 21:26:27,737 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 204 places, 194 transitions, 451 flow [2025-01-09 21:26:27,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-09 21:26:27,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-01-09 21:26:27,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 594 transitions. [2025-01-09 21:26:27,738 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9565217391304348 [2025-01-09 21:26:27,738 INFO L175 Difference]: Start difference. First operand has 205 places, 207 transitions, 502 flow. Second operand 3 states and 594 transitions. [2025-01-09 21:26:27,738 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 204 places, 194 transitions, 451 flow [2025-01-09 21:26:27,739 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 198 places, 194 transitions, 419 flow, removed 6 selfloop flow, removed 6 redundant places. [2025-01-09 21:26:27,741 INFO L231 Difference]: Finished difference. Result has 198 places, 192 transitions, 400 flow [2025-01-09 21:26:27,741 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=207, PETRI_DIFFERENCE_MINUEND_FLOW=388, PETRI_DIFFERENCE_MINUEND_PLACES=196, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=192, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=186, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=400, PETRI_PLACES=198, PETRI_TRANSITIONS=192} [2025-01-09 21:26:27,742 INFO L279 CegarLoopForPetriNet]: 204 programPoint places, -6 predicate places. [2025-01-09 21:26:27,742 INFO L471 AbstractCegarLoop]: Abstraction has has 198 places, 192 transitions, 400 flow [2025-01-09 21:26:27,742 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 194.66666666666666) internal successors, (584), 3 states have internal predecessors, (584), 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) [2025-01-09 21:26:27,742 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-01-09 21:26:27,743 INFO L206 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 21:26:27,743 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-01-09 21:26:27,743 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting f1Err2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 10 more)] === [2025-01-09 21:26:27,743 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 21:26:27,744 INFO L85 PathProgramCache]: Analyzing trace with hash -1436394761, now seen corresponding path program 1 times [2025-01-09 21:26:27,744 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 21:26:27,744 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [334353602] [2025-01-09 21:26:27,744 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 21:26:27,744 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 21:26:27,764 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 152 statements into 1 equivalence classes. [2025-01-09 21:26:27,772 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 152 of 152 statements. [2025-01-09 21:26:27,772 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 21:26:27,772 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 21:26:27,839 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-09 21:26:27,841 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 21:26:27,841 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [334353602] [2025-01-09 21:26:27,841 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [334353602] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 21:26:27,841 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 21:26:27,841 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-01-09 21:26:27,841 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1524754092] [2025-01-09 21:26:27,841 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 21:26:27,842 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-09 21:26:27,842 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 21:26:27,842 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-09 21:26:27,842 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-09 21:26:27,864 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 185 out of 207 [2025-01-09 21:26:27,865 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 198 places, 192 transitions, 400 flow. Second operand has 3 states, 3 states have (on average 188.0) internal successors, (564), 3 states have internal predecessors, (564), 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) [2025-01-09 21:26:27,865 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-01-09 21:26:27,865 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 185 of 207 [2025-01-09 21:26:27,865 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-01-09 21:26:27,905 INFO L124 PetriNetUnfolderBase]: 16/313 cut-off events. [2025-01-09 21:26:27,905 INFO L125 PetriNetUnfolderBase]: For 16/16 co-relation queries the response was YES. [2025-01-09 21:26:27,905 INFO L83 FinitePrefix]: Finished finitePrefix Result has 422 conditions, 313 events. 16/313 cut-off events. For 16/16 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 650 event pairs, 14 based on Foata normal form. 0/302 useless extension candidates. Maximal degree in co-relation 197. Up to 56 conditions per place. [2025-01-09 21:26:27,906 INFO L140 encePairwiseOnDemand]: 204/207 looper letters, 15 selfloop transitions, 2 changer transitions 4/192 dead transitions. [2025-01-09 21:26:27,906 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 199 places, 192 transitions, 438 flow [2025-01-09 21:26:27,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-09 21:26:27,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-01-09 21:26:27,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 574 transitions. [2025-01-09 21:26:27,909 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9243156199677939 [2025-01-09 21:26:27,909 INFO L175 Difference]: Start difference. First operand has 198 places, 192 transitions, 400 flow. Second operand 3 states and 574 transitions. [2025-01-09 21:26:27,909 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 199 places, 192 transitions, 438 flow [2025-01-09 21:26:27,910 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 198 places, 192 transitions, 432 flow, removed 0 selfloop flow, removed 1 redundant places. [2025-01-09 21:26:27,913 INFO L231 Difference]: Finished difference. Result has 198 places, 187 transitions, 387 flow [2025-01-09 21:26:27,913 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=207, PETRI_DIFFERENCE_MINUEND_FLOW=392, PETRI_DIFFERENCE_MINUEND_PLACES=196, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=191, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=189, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=387, PETRI_PLACES=198, PETRI_TRANSITIONS=187} [2025-01-09 21:26:27,914 INFO L279 CegarLoopForPetriNet]: 204 programPoint places, -6 predicate places. [2025-01-09 21:26:27,914 INFO L471 AbstractCegarLoop]: Abstraction has has 198 places, 187 transitions, 387 flow [2025-01-09 21:26:27,914 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 188.0) internal successors, (564), 3 states have internal predecessors, (564), 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) [2025-01-09 21:26:27,914 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-01-09 21:26:27,915 INFO L206 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 21:26:27,915 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-01-09 21:26:27,915 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting f2Err1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 10 more)] === [2025-01-09 21:26:27,915 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 21:26:27,916 INFO L85 PathProgramCache]: Analyzing trace with hash 1111925934, now seen corresponding path program 1 times [2025-01-09 21:26:27,916 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 21:26:27,916 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [534622508] [2025-01-09 21:26:27,916 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 21:26:27,916 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 21:26:27,945 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 154 statements into 1 equivalence classes. [2025-01-09 21:26:27,957 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 154 of 154 statements. [2025-01-09 21:26:27,957 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 21:26:27,957 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 21:26:28,010 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-09 21:26:28,011 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 21:26:28,011 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [534622508] [2025-01-09 21:26:28,011 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [534622508] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 21:26:28,011 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 21:26:28,011 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-01-09 21:26:28,011 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [155648109] [2025-01-09 21:26:28,011 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 21:26:28,011 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-09 21:26:28,012 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 21:26:28,012 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-09 21:26:28,012 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-09 21:26:28,032 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 185 out of 207 [2025-01-09 21:26:28,033 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 198 places, 187 transitions, 387 flow. Second operand has 3 states, 3 states have (on average 187.33333333333334) internal successors, (562), 3 states have internal predecessors, (562), 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) [2025-01-09 21:26:28,033 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-01-09 21:26:28,033 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 185 of 207 [2025-01-09 21:26:28,033 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-01-09 21:26:28,061 INFO L124 PetriNetUnfolderBase]: 13/277 cut-off events. [2025-01-09 21:26:28,061 INFO L125 PetriNetUnfolderBase]: For 13/13 co-relation queries the response was YES. [2025-01-09 21:26:28,061 INFO L83 FinitePrefix]: Finished finitePrefix Result has 360 conditions, 277 events. 13/277 cut-off events. For 13/13 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 444 event pairs, 11 based on Foata normal form. 0/270 useless extension candidates. Maximal degree in co-relation 262. Up to 45 conditions per place. [2025-01-09 21:26:28,061 INFO L140 encePairwiseOnDemand]: 204/207 looper letters, 0 selfloop transitions, 0 changer transitions 187/187 dead transitions. [2025-01-09 21:26:28,061 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 195 places, 187 transitions, 422 flow [2025-01-09 21:26:28,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-09 21:26:28,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-01-09 21:26:28,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 573 transitions. [2025-01-09 21:26:28,063 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9227053140096618 [2025-01-09 21:26:28,063 INFO L175 Difference]: Start difference. First operand has 198 places, 187 transitions, 387 flow. Second operand 3 states and 573 transitions. [2025-01-09 21:26:28,063 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 195 places, 187 transitions, 422 flow [2025-01-09 21:26:28,064 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 193 places, 187 transitions, 418 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-01-09 21:26:28,065 INFO L231 Difference]: Finished difference. Result has 193 places, 0 transitions, 0 flow [2025-01-09 21:26:28,065 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=207, PETRI_DIFFERENCE_MINUEND_FLOW=381, PETRI_DIFFERENCE_MINUEND_PLACES=191, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=186, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=186, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=193, PETRI_TRANSITIONS=0} [2025-01-09 21:26:28,065 INFO L279 CegarLoopForPetriNet]: 204 programPoint places, -11 predicate places. [2025-01-09 21:26:28,066 INFO L471 AbstractCegarLoop]: Abstraction has has 193 places, 0 transitions, 0 flow [2025-01-09 21:26:28,066 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 187.33333333333334) internal successors, (562), 3 states have internal predecessors, (562), 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) [2025-01-09 21:26:28,068 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (11 of 12 remaining) [2025-01-09 21:26:28,068 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (10 of 12 remaining) [2025-01-09 21:26:28,068 INFO L782 garLoopResultBuilder]: Registering result SAFE for location f1Err0ASSERT_VIOLATIONDATA_RACE (9 of 12 remaining) [2025-01-09 21:26:28,068 INFO L782 garLoopResultBuilder]: Registering result SAFE for location f1Err1ASSERT_VIOLATIONDATA_RACE (8 of 12 remaining) [2025-01-09 21:26:28,068 INFO L782 garLoopResultBuilder]: Registering result SAFE for location f1Err2ASSERT_VIOLATIONDATA_RACE (7 of 12 remaining) [2025-01-09 21:26:28,068 INFO L782 garLoopResultBuilder]: Registering result SAFE for location f2Err0ASSERT_VIOLATIONDATA_RACE (6 of 12 remaining) [2025-01-09 21:26:28,068 INFO L782 garLoopResultBuilder]: Registering result SAFE for location f2Err1ASSERT_VIOLATIONDATA_RACE (5 of 12 remaining) [2025-01-09 21:26:28,068 INFO L782 garLoopResultBuilder]: Registering result SAFE for location f1Err0ASSERT_VIOLATIONDATA_RACE (4 of 12 remaining) [2025-01-09 21:26:28,068 INFO L782 garLoopResultBuilder]: Registering result SAFE for location f1Err1ASSERT_VIOLATIONDATA_RACE (3 of 12 remaining) [2025-01-09 21:26:28,068 INFO L782 garLoopResultBuilder]: Registering result SAFE for location f1Err2ASSERT_VIOLATIONDATA_RACE (2 of 12 remaining) [2025-01-09 21:26:28,068 INFO L782 garLoopResultBuilder]: Registering result SAFE for location f2Err0ASSERT_VIOLATIONDATA_RACE (1 of 12 remaining) [2025-01-09 21:26:28,068 INFO L782 garLoopResultBuilder]: Registering result SAFE for location f2Err1ASSERT_VIOLATIONDATA_RACE (0 of 12 remaining) [2025-01-09 21:26:28,069 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-01-09 21:26:28,069 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2025-01-09 21:26:28,072 INFO L241 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2025-01-09 21:26:28,072 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-01-09 21:26:28,075 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.01 09:26:28 BasicIcfg [2025-01-09 21:26:28,075 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-01-09 21:26:28,076 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-01-09 21:26:28,076 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-01-09 21:26:28,076 INFO L274 PluginConnector]: Witness Printer initialized [2025-01-09 21:26:28,076 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 09:26:26" (3/4) ... [2025-01-09 21:26:28,077 INFO L146 WitnessPrinter]: Generating witness for correct program [2025-01-09 21:26:28,079 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure f1 [2025-01-09 21:26:28,079 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure f2 [2025-01-09 21:26:28,082 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2025-01-09 21:26:28,082 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2025-01-09 21:26:28,082 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2025-01-09 21:26:28,082 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2025-01-09 21:26:28,130 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-01-09 21:26:28,130 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.yml [2025-01-09 21:26:28,130 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-01-09 21:26:28,132 INFO L158 Benchmark]: Toolchain (without parser) took 2742.60ms. Allocated memory was 142.6MB in the beginning and 184.5MB in the end (delta: 41.9MB). Free memory was 111.0MB in the beginning and 68.2MB in the end (delta: 42.8MB). Peak memory consumption was 86.3MB. Max. memory is 16.1GB. [2025-01-09 21:26:28,132 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 201.3MB. Free memory is still 123.0MB. There was no memory consumed. Max. memory is 16.1GB. [2025-01-09 21:26:28,132 INFO L158 Benchmark]: CACSL2BoogieTranslator took 530.18ms. Allocated memory is still 142.6MB. Free memory was 111.0MB in the beginning and 73.0MB in the end (delta: 38.0MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2025-01-09 21:26:28,133 INFO L158 Benchmark]: Boogie Procedure Inliner took 32.69ms. Allocated memory is still 142.6MB. Free memory was 73.0MB in the beginning and 70.5MB in the end (delta: 2.5MB). There was no memory consumed. Max. memory is 16.1GB. [2025-01-09 21:26:28,134 INFO L158 Benchmark]: Boogie Preprocessor took 26.27ms. Allocated memory is still 142.6MB. Free memory was 70.5MB in the beginning and 68.0MB in the end (delta: 2.5MB). There was no memory consumed. Max. memory is 16.1GB. [2025-01-09 21:26:28,134 INFO L158 Benchmark]: RCFGBuilder took 427.54ms. Allocated memory is still 142.6MB. Free memory was 68.0MB in the beginning and 43.1MB in the end (delta: 24.9MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2025-01-09 21:26:28,134 INFO L158 Benchmark]: TraceAbstraction took 1664.59ms. Allocated memory was 142.6MB in the beginning and 184.5MB in the end (delta: 41.9MB). Free memory was 42.6MB in the beginning and 74.4MB in the end (delta: -31.8MB). Peak memory consumption was 10.8MB. Max. memory is 16.1GB. [2025-01-09 21:26:28,135 INFO L158 Benchmark]: Witness Printer took 54.75ms. Allocated memory is still 184.5MB. Free memory was 74.4MB in the beginning and 68.2MB in the end (delta: 6.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-01-09 21:26:28,135 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 201.3MB. Free memory is still 123.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 530.18ms. Allocated memory is still 142.6MB. Free memory was 111.0MB in the beginning and 73.0MB in the end (delta: 38.0MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 32.69ms. Allocated memory is still 142.6MB. Free memory was 73.0MB in the beginning and 70.5MB in the end (delta: 2.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 26.27ms. Allocated memory is still 142.6MB. Free memory was 70.5MB in the beginning and 68.0MB in the end (delta: 2.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 427.54ms. Allocated memory is still 142.6MB. Free memory was 68.0MB in the beginning and 43.1MB in the end (delta: 24.9MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * TraceAbstraction took 1664.59ms. Allocated memory was 142.6MB in the beginning and 184.5MB in the end (delta: 41.9MB). Free memory was 42.6MB in the beginning and 74.4MB in the end (delta: -31.8MB). Peak memory consumption was 10.8MB. Max. memory is 16.1GB. * Witness Printer took 54.75ms. Allocated memory is still 184.5MB. Free memory was 74.4MB in the beginning and 68.2MB in the end (delta: 6.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 1356]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1358]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1359]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1365]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1366]: 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 5 procedures, 265 locations, 12 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: 1.6s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 154 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 52 mSDsluCounter, 35 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 11 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 218 IncrementalHoareTripleChecker+Invalid, 229 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 11 mSolverCounterUnsat, 35 mSDtfsCounter, 218 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 11 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=502occurred in iteration=2, InterpolantAutomatonStates: 15, 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, 0.6s InterpolantComputationTime, 739 NumberOfCodeBlocks, 739 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 734 ConstructedInterpolants, 0 QuantifiedInterpolants, 754 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 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, ConComCheckerStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 5 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2025-01-09 21:26:28,156 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/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