./Ultimate.py --spec ../sv-benchmarks/c/properties/no-data-race.prp --file ../sv-benchmarks/c/goblint-regression/13-privatized_36-traces-ex-3_true.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_36-traces-ex-3_true.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 00ab4006d72abca4f35a64fe9dabb6d6d9b6871c611e836e638cfc5bf3cdc124 --- Real Ultimate output --- This is Ultimate 0.3.0-?-551b009-m [2025-01-09 21:26:08,579 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-01-09 21:26:08,628 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2025-01-09 21:26:08,631 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-01-09 21:26:08,632 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-01-09 21:26:08,657 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-01-09 21:26:08,657 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-01-09 21:26:08,657 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-01-09 21:26:08,657 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-01-09 21:26:08,657 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-01-09 21:26:08,657 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-01-09 21:26:08,658 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-01-09 21:26:08,658 INFO L153 SettingsManager]: * Use SBE=true [2025-01-09 21:26:08,658 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-01-09 21:26:08,658 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-01-09 21:26:08,658 INFO L153 SettingsManager]: * sizeof long=4 [2025-01-09 21:26:08,658 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-01-09 21:26:08,661 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-01-09 21:26:08,661 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-01-09 21:26:08,661 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-01-09 21:26:08,661 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-01-09 21:26:08,662 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-01-09 21:26:08,662 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2025-01-09 21:26:08,662 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-01-09 21:26:08,662 INFO L153 SettingsManager]: * sizeof long double=12 [2025-01-09 21:26:08,662 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-01-09 21:26:08,662 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-01-09 21:26:08,662 INFO L153 SettingsManager]: * Use constant arrays=true [2025-01-09 21:26:08,662 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-01-09 21:26:08,662 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 21:26:08,662 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 21:26:08,662 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 21:26:08,662 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-01-09 21:26:08,662 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 21:26:08,662 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 21:26:08,662 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 21:26:08,662 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-01-09 21:26:08,662 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-01-09 21:26:08,662 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-01-09 21:26:08,662 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-01-09 21:26:08,662 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-01-09 21:26:08,662 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-01-09 21:26:08,662 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-01-09 21:26:08,662 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-01-09 21:26:08,663 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-01-09 21:26:08,663 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-01-09 21:26:08,663 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 -> 00ab4006d72abca4f35a64fe9dabb6d6d9b6871c611e836e638cfc5bf3cdc124 [2025-01-09 21:26:08,870 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-01-09 21:26:08,882 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-01-09 21:26:08,883 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-01-09 21:26:08,887 INFO L270 PluginConnector]: Initializing CDTParser... [2025-01-09 21:26:08,887 INFO L274 PluginConnector]: CDTParser initialized [2025-01-09 21:26:08,888 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/goblint-regression/13-privatized_36-traces-ex-3_true.i [2025-01-09 21:26:10,071 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/fb380cc68/751e1ef3527547d4bc3c731970f3b7cc/FLAG5ca269e59 [2025-01-09 21:26:10,332 INFO L384 CDTParser]: Found 1 translation units. [2025-01-09 21:26:10,332 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/goblint-regression/13-privatized_36-traces-ex-3_true.i [2025-01-09 21:26:10,349 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/fb380cc68/751e1ef3527547d4bc3c731970f3b7cc/FLAG5ca269e59 [2025-01-09 21:26:10,364 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/fb380cc68/751e1ef3527547d4bc3c731970f3b7cc [2025-01-09 21:26:10,366 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-01-09 21:26:10,368 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-01-09 21:26:10,369 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-01-09 21:26:10,369 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-01-09 21:26:10,372 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-01-09 21:26:10,373 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 09:26:10" (1/1) ... [2025-01-09 21:26:10,374 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@21397479 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:26:10, skipping insertion in model container [2025-01-09 21:26:10,374 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 09:26:10" (1/1) ... [2025-01-09 21:26:10,395 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-01-09 21:26:10,598 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 21:26:10,617 INFO L200 MainTranslator]: Completed pre-run [2025-01-09 21:26:10,647 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 21:26:10,669 INFO L204 MainTranslator]: Completed translation [2025-01-09 21:26:10,669 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:26:10 WrapperNode [2025-01-09 21:26:10,669 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-01-09 21:26:10,670 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-01-09 21:26:10,670 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-01-09 21:26:10,670 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-01-09 21:26:10,674 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:26:10" (1/1) ... [2025-01-09 21:26:10,681 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:26:10" (1/1) ... [2025-01-09 21:26:10,691 INFO L138 Inliner]: procedures = 162, calls = 29, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 54 [2025-01-09 21:26:10,692 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-01-09 21:26:10,692 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-01-09 21:26:10,692 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-01-09 21:26:10,692 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-01-09 21:26:10,696 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:26:10" (1/1) ... [2025-01-09 21:26:10,696 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:26:10" (1/1) ... [2025-01-09 21:26:10,698 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:26:10" (1/1) ... [2025-01-09 21:26:10,700 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:26:10" (1/1) ... [2025-01-09 21:26:10,703 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:26:10" (1/1) ... [2025-01-09 21:26:10,707 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:26:10" (1/1) ... [2025-01-09 21:26:10,708 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:26:10" (1/1) ... [2025-01-09 21:26:10,709 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:26:10" (1/1) ... [2025-01-09 21:26:10,713 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:26:10" (1/1) ... [2025-01-09 21:26:10,714 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-01-09 21:26:10,714 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-01-09 21:26:10,714 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-01-09 21:26:10,714 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-01-09 21:26:10,715 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:26:10" (1/1) ... [2025-01-09 21:26:10,723 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 21:26:10,732 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 21:26:10,743 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 21:26:10,745 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 21:26:10,761 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2025-01-09 21:26:10,761 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-01-09 21:26:10,761 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2025-01-09 21:26:10,761 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2025-01-09 21:26:10,761 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2025-01-09 21:26:10,761 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2025-01-09 21:26:10,761 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-01-09 21:26:10,761 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-01-09 21:26:10,762 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 21:26:10,841 INFO L234 CfgBuilder]: Building ICFG [2025-01-09 21:26:10,843 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-01-09 21:26:10,969 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-01-09 21:26:10,969 INFO L283 CfgBuilder]: Performing block encoding [2025-01-09 21:26:10,993 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-01-09 21:26:10,994 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2025-01-09 21:26:10,994 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 09:26:10 BoogieIcfgContainer [2025-01-09 21:26:10,994 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-01-09 21:26:10,996 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-01-09 21:26:10,996 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-01-09 21:26:11,001 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-01-09 21:26:11,001 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.01 09:26:10" (1/3) ... [2025-01-09 21:26:11,002 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f8b8d7c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 09:26:11, skipping insertion in model container [2025-01-09 21:26:11,003 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:26:10" (2/3) ... [2025-01-09 21:26:11,003 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f8b8d7c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 09:26:11, skipping insertion in model container [2025-01-09 21:26:11,003 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 09:26:10" (3/3) ... [2025-01-09 21:26:11,005 INFO L128 eAbstractionObserver]: Analyzing ICFG 13-privatized_36-traces-ex-3_true.i [2025-01-09 21:26:11,016 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-01-09 21:26:11,017 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG 13-privatized_36-traces-ex-3_true.i that has 2 procedures, 81 locations, 1 initial locations, 0 loop locations, and 3 error locations. [2025-01-09 21:26:11,018 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-01-09 21:26:11,059 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2025-01-09 21:26:11,083 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 84 places, 82 transitions, 168 flow [2025-01-09 21:26:11,114 INFO L124 PetriNetUnfolderBase]: 2/81 cut-off events. [2025-01-09 21:26:11,116 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-01-09 21:26:11,119 INFO L83 FinitePrefix]: Finished finitePrefix Result has 85 conditions, 81 events. 2/81 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 76 event pairs, 0 based on Foata normal form. 0/76 useless extension candidates. Maximal degree in co-relation 53. Up to 2 conditions per place. [2025-01-09 21:26:11,120 INFO L82 GeneralOperation]: Start removeDead. Operand has 84 places, 82 transitions, 168 flow [2025-01-09 21:26:11,122 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 83 places, 81 transitions, 165 flow [2025-01-09 21:26:11,128 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-01-09 21:26:11,136 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;@45ffe2bb, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-09 21:26:11,136 INFO L334 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2025-01-09 21:26:11,147 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2025-01-09 21:26:11,147 INFO L124 PetriNetUnfolderBase]: 0/40 cut-off events. [2025-01-09 21:26:11,147 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-01-09 21:26:11,147 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-01-09 21:26:11,148 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] [2025-01-09 21:26:11,148 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONDATA_RACE (and 3 more)] === [2025-01-09 21:26:11,152 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 21:26:11,152 INFO L85 PathProgramCache]: Analyzing trace with hash -718171755, now seen corresponding path program 1 times [2025-01-09 21:26:11,157 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 21:26:11,158 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1655812081] [2025-01-09 21:26:11,158 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 21:26:11,158 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 21:26:11,231 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 35 statements into 1 equivalence classes. [2025-01-09 21:26:11,241 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 35 of 35 statements. [2025-01-09 21:26:11,241 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 21:26:11,241 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 21:26:11,354 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 21:26:11,355 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 21:26:11,355 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1655812081] [2025-01-09 21:26:11,355 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1655812081] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 21:26:11,356 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 21:26:11,356 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-01-09 21:26:11,357 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1658479223] [2025-01-09 21:26:11,357 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 21:26:11,361 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-09 21:26:11,365 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 21:26:11,383 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-09 21:26:11,383 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-09 21:26:11,404 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 63 out of 82 [2025-01-09 21:26:11,407 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 83 places, 81 transitions, 165 flow. Second operand has 3 states, 3 states have (on average 64.66666666666667) internal successors, (194), 3 states have internal predecessors, (194), 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 21:26:11,407 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-01-09 21:26:11,407 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 63 of 82 [2025-01-09 21:26:11,408 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-01-09 21:26:11,508 INFO L124 PetriNetUnfolderBase]: 48/267 cut-off events. [2025-01-09 21:26:11,509 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2025-01-09 21:26:11,510 INFO L83 FinitePrefix]: Finished finitePrefix Result has 386 conditions, 267 events. 48/267 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 1228 event pairs, 36 based on Foata normal form. 19/267 useless extension candidates. Maximal degree in co-relation 352. Up to 93 conditions per place. [2025-01-09 21:26:11,513 INFO L140 encePairwiseOnDemand]: 75/82 looper letters, 19 selfloop transitions, 4 changer transitions 0/84 dead transitions. [2025-01-09 21:26:11,513 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 83 places, 84 transitions, 217 flow [2025-01-09 21:26:11,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-09 21:26:11,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-01-09 21:26:11,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 217 transitions. [2025-01-09 21:26:11,526 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8821138211382114 [2025-01-09 21:26:11,527 INFO L175 Difference]: Start difference. First operand has 83 places, 81 transitions, 165 flow. Second operand 3 states and 217 transitions. [2025-01-09 21:26:11,527 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 83 places, 84 transitions, 217 flow [2025-01-09 21:26:11,533 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 82 places, 84 transitions, 216 flow, removed 0 selfloop flow, removed 1 redundant places. [2025-01-09 21:26:11,537 INFO L231 Difference]: Finished difference. Result has 84 places, 80 transitions, 186 flow [2025-01-09 21:26:11,539 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=82, PETRI_DIFFERENCE_MINUEND_FLOW=156, PETRI_DIFFERENCE_MINUEND_PLACES=80, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=77, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=73, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=186, PETRI_PLACES=84, PETRI_TRANSITIONS=80} [2025-01-09 21:26:11,542 INFO L279 CegarLoopForPetriNet]: 83 programPoint places, 1 predicate places. [2025-01-09 21:26:11,543 INFO L471 AbstractCegarLoop]: Abstraction has has 84 places, 80 transitions, 186 flow [2025-01-09 21:26:11,543 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 64.66666666666667) internal successors, (194), 3 states have internal predecessors, (194), 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 21:26:11,543 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-01-09 21:26:11,543 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] [2025-01-09 21:26:11,544 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-01-09 21:26:11,544 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONDATA_RACE (and 3 more)] === [2025-01-09 21:26:11,544 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 21:26:11,546 INFO L85 PathProgramCache]: Analyzing trace with hash 982867276, now seen corresponding path program 1 times [2025-01-09 21:26:11,546 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 21:26:11,546 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [18060321] [2025-01-09 21:26:11,546 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 21:26:11,546 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 21:26:11,563 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 38 statements into 1 equivalence classes. [2025-01-09 21:26:11,572 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 38 of 38 statements. [2025-01-09 21:26:11,576 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 21:26:11,576 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 21:26:11,624 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 21:26:11,627 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 21:26:11,627 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [18060321] [2025-01-09 21:26:11,628 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [18060321] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 21:26:11,628 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 21:26:11,628 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-01-09 21:26:11,628 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [675004255] [2025-01-09 21:26:11,628 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 21:26:11,628 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-09 21:26:11,629 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 21:26:11,629 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-09 21:26:11,629 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-09 21:26:11,646 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 65 out of 82 [2025-01-09 21:26:11,647 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 84 places, 80 transitions, 186 flow. Second operand has 3 states, 3 states have (on average 67.0) internal successors, (201), 3 states have internal predecessors, (201), 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 21:26:11,648 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-01-09 21:26:11,648 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 65 of 82 [2025-01-09 21:26:11,648 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-01-09 21:26:11,755 INFO L124 PetriNetUnfolderBase]: 50/398 cut-off events. [2025-01-09 21:26:11,755 INFO L125 PetriNetUnfolderBase]: For 31/33 co-relation queries the response was YES. [2025-01-09 21:26:11,758 INFO L83 FinitePrefix]: Finished finitePrefix Result has 581 conditions, 398 events. 50/398 cut-off events. For 31/33 co-relation queries the response was YES. Maximal size of possible extension queue 26. Compared 2219 event pairs, 21 based on Foata normal form. 0/371 useless extension candidates. Maximal degree in co-relation 546. Up to 79 conditions per place. [2025-01-09 21:26:11,758 INFO L140 encePairwiseOnDemand]: 77/82 looper letters, 17 selfloop transitions, 5 changer transitions 1/88 dead transitions. [2025-01-09 21:26:11,760 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 86 places, 88 transitions, 252 flow [2025-01-09 21:26:11,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-09 21:26:11,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-01-09 21:26:11,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 218 transitions. [2025-01-09 21:26:11,761 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8861788617886179 [2025-01-09 21:26:11,761 INFO L175 Difference]: Start difference. First operand has 84 places, 80 transitions, 186 flow. Second operand 3 states and 218 transitions. [2025-01-09 21:26:11,763 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 86 places, 88 transitions, 252 flow [2025-01-09 21:26:11,763 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 84 places, 88 transitions, 242 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-01-09 21:26:11,765 INFO L231 Difference]: Finished difference. Result has 86 places, 83 transitions, 214 flow [2025-01-09 21:26:11,765 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=82, PETRI_DIFFERENCE_MINUEND_FLOW=178, PETRI_DIFFERENCE_MINUEND_PLACES=82, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=80, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=75, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=214, PETRI_PLACES=86, PETRI_TRANSITIONS=83} [2025-01-09 21:26:11,766 INFO L279 CegarLoopForPetriNet]: 83 programPoint places, 3 predicate places. [2025-01-09 21:26:11,766 INFO L471 AbstractCegarLoop]: Abstraction has has 86 places, 83 transitions, 214 flow [2025-01-09 21:26:11,766 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 67.0) internal successors, (201), 3 states have internal predecessors, (201), 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 21:26:11,766 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-01-09 21:26:11,767 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] [2025-01-09 21:26:11,767 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-01-09 21:26:11,767 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONDATA_RACE (and 3 more)] === [2025-01-09 21:26:11,768 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 21:26:11,769 INFO L85 PathProgramCache]: Analyzing trace with hash 1376211233, now seen corresponding path program 1 times [2025-01-09 21:26:11,769 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 21:26:11,769 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1537787525] [2025-01-09 21:26:11,769 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 21:26:11,769 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 21:26:11,778 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 44 statements into 1 equivalence classes. [2025-01-09 21:26:11,784 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 44 of 44 statements. [2025-01-09 21:26:11,784 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 21:26:11,784 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 21:26:11,881 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 21:26:11,881 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 21:26:11,881 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1537787525] [2025-01-09 21:26:11,881 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1537787525] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 21:26:11,881 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 21:26:11,882 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-09 21:26:11,882 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1066922151] [2025-01-09 21:26:11,882 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 21:26:11,882 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-09 21:26:11,882 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 21:26:11,882 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-09 21:26:11,883 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-09 21:26:11,891 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 69 out of 82 [2025-01-09 21:26:11,892 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 86 places, 83 transitions, 214 flow. Second operand has 3 states, 3 states have (on average 71.0) internal successors, (213), 3 states have internal predecessors, (213), 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 21:26:11,892 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-01-09 21:26:11,892 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 69 of 82 [2025-01-09 21:26:11,892 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-01-09 21:26:11,941 INFO L124 PetriNetUnfolderBase]: 33/396 cut-off events. [2025-01-09 21:26:11,941 INFO L125 PetriNetUnfolderBase]: For 45/49 co-relation queries the response was YES. [2025-01-09 21:26:11,942 INFO L83 FinitePrefix]: Finished finitePrefix Result has 566 conditions, 396 events. 33/396 cut-off events. For 45/49 co-relation queries the response was YES. Maximal size of possible extension queue 30. Compared 2304 event pairs, 4 based on Foata normal form. 3/372 useless extension candidates. Maximal degree in co-relation 529. Up to 54 conditions per place. [2025-01-09 21:26:11,942 INFO L140 encePairwiseOnDemand]: 76/82 looper letters, 10 selfloop transitions, 6 changer transitions 0/89 dead transitions. [2025-01-09 21:26:11,942 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 88 places, 89 transitions, 258 flow [2025-01-09 21:26:11,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-09 21:26:11,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-01-09 21:26:11,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 225 transitions. [2025-01-09 21:26:11,944 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9146341463414634 [2025-01-09 21:26:11,944 INFO L175 Difference]: Start difference. First operand has 86 places, 83 transitions, 214 flow. Second operand 3 states and 225 transitions. [2025-01-09 21:26:11,944 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 88 places, 89 transitions, 258 flow [2025-01-09 21:26:11,945 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 86 places, 89 transitions, 248 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-01-09 21:26:11,946 INFO L231 Difference]: Finished difference. Result has 87 places, 87 transitions, 238 flow [2025-01-09 21:26:11,946 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=82, PETRI_DIFFERENCE_MINUEND_FLOW=204, PETRI_DIFFERENCE_MINUEND_PLACES=84, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=83, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=77, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=238, PETRI_PLACES=87, PETRI_TRANSITIONS=87} [2025-01-09 21:26:11,947 INFO L279 CegarLoopForPetriNet]: 83 programPoint places, 4 predicate places. [2025-01-09 21:26:11,947 INFO L471 AbstractCegarLoop]: Abstraction has has 87 places, 87 transitions, 238 flow [2025-01-09 21:26:11,947 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 71.0) internal successors, (213), 3 states have internal predecessors, (213), 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 21:26:11,947 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-01-09 21:26:11,947 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] [2025-01-09 21:26:11,947 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-01-09 21:26:11,948 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONDATA_RACE (and 3 more)] === [2025-01-09 21:26:11,948 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 21:26:11,948 INFO L85 PathProgramCache]: Analyzing trace with hash -563373963, now seen corresponding path program 2 times [2025-01-09 21:26:11,948 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 21:26:11,948 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1046668581] [2025-01-09 21:26:11,948 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-09 21:26:11,948 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 21:26:11,963 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 44 statements into 1 equivalence classes. [2025-01-09 21:26:11,974 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 44 of 44 statements. [2025-01-09 21:26:11,975 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-01-09 21:26:11,975 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 21:26:12,116 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 21:26:12,116 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 21:26:12,116 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1046668581] [2025-01-09 21:26:12,116 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1046668581] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 21:26:12,117 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 21:26:12,117 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2025-01-09 21:26:12,117 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1213529438] [2025-01-09 21:26:12,117 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 21:26:12,118 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-01-09 21:26:12,118 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 21:26:12,120 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-01-09 21:26:12,120 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2025-01-09 21:26:12,201 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 68 out of 82 [2025-01-09 21:26:12,202 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 87 places, 87 transitions, 238 flow. Second operand has 6 states, 6 states have (on average 69.16666666666667) internal successors, (415), 6 states have internal predecessors, (415), 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 21:26:12,202 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-01-09 21:26:12,202 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 68 of 82 [2025-01-09 21:26:12,202 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-01-09 21:26:12,248 INFO L124 PetriNetUnfolderBase]: 8/156 cut-off events. [2025-01-09 21:26:12,248 INFO L125 PetriNetUnfolderBase]: For 39/39 co-relation queries the response was YES. [2025-01-09 21:26:12,249 INFO L83 FinitePrefix]: Finished finitePrefix Result has 250 conditions, 156 events. 8/156 cut-off events. For 39/39 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 342 event pairs, 3 based on Foata normal form. 3/151 useless extension candidates. Maximal degree in co-relation 211. Up to 22 conditions per place. [2025-01-09 21:26:12,250 INFO L140 encePairwiseOnDemand]: 76/82 looper letters, 9 selfloop transitions, 5 changer transitions 7/80 dead transitions. [2025-01-09 21:26:12,250 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 89 places, 80 transitions, 235 flow [2025-01-09 21:26:12,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-09 21:26:12,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2025-01-09 21:26:12,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 354 transitions. [2025-01-09 21:26:12,252 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8634146341463415 [2025-01-09 21:26:12,252 INFO L175 Difference]: Start difference. First operand has 87 places, 87 transitions, 238 flow. Second operand 5 states and 354 transitions. [2025-01-09 21:26:12,252 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 89 places, 80 transitions, 235 flow [2025-01-09 21:26:12,253 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 86 places, 80 transitions, 216 flow, removed 4 selfloop flow, removed 3 redundant places. [2025-01-09 21:26:12,254 INFO L231 Difference]: Finished difference. Result has 86 places, 71 transitions, 174 flow [2025-01-09 21:26:12,254 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=82, PETRI_DIFFERENCE_MINUEND_FLOW=180, PETRI_DIFFERENCE_MINUEND_PLACES=82, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=78, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=73, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=174, PETRI_PLACES=86, PETRI_TRANSITIONS=71} [2025-01-09 21:26:12,254 INFO L279 CegarLoopForPetriNet]: 83 programPoint places, 3 predicate places. [2025-01-09 21:26:12,254 INFO L471 AbstractCegarLoop]: Abstraction has has 86 places, 71 transitions, 174 flow [2025-01-09 21:26:12,257 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 69.16666666666667) internal successors, (415), 6 states have internal predecessors, (415), 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 21:26:12,257 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-01-09 21:26:12,257 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] [2025-01-09 21:26:12,257 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-01-09 21:26:12,257 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONDATA_RACE (and 3 more)] === [2025-01-09 21:26:12,258 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 21:26:12,258 INFO L85 PathProgramCache]: Analyzing trace with hash 1266718211, now seen corresponding path program 1 times [2025-01-09 21:26:12,258 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 21:26:12,258 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2118827116] [2025-01-09 21:26:12,258 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 21:26:12,258 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 21:26:12,269 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 44 statements into 1 equivalence classes. [2025-01-09 21:26:12,273 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 44 of 44 statements. [2025-01-09 21:26:12,276 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 21:26:12,276 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 21:26:12,304 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 21:26:12,305 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 21:26:12,305 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2118827116] [2025-01-09 21:26:12,305 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2118827116] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 21:26:12,305 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 21:26:12,305 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-01-09 21:26:12,305 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2141829125] [2025-01-09 21:26:12,305 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 21:26:12,305 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-09 21:26:12,305 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 21:26:12,305 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-09 21:26:12,305 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-09 21:26:12,322 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 63 out of 82 [2025-01-09 21:26:12,323 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 86 places, 71 transitions, 174 flow. Second operand has 3 states, 3 states have (on average 65.66666666666667) internal successors, (197), 3 states have internal predecessors, (197), 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 21:26:12,323 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-01-09 21:26:12,323 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 63 of 82 [2025-01-09 21:26:12,323 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-01-09 21:26:12,347 INFO L124 PetriNetUnfolderBase]: 16/137 cut-off events. [2025-01-09 21:26:12,348 INFO L125 PetriNetUnfolderBase]: For 30/30 co-relation queries the response was YES. [2025-01-09 21:26:12,349 INFO L83 FinitePrefix]: Finished finitePrefix Result has 235 conditions, 137 events. 16/137 cut-off events. For 30/30 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 334 event pairs, 11 based on Foata normal form. 0/134 useless extension candidates. Maximal degree in co-relation 197. Up to 46 conditions per place. [2025-01-09 21:26:12,349 INFO L140 encePairwiseOnDemand]: 79/82 looper letters, 0 selfloop transitions, 0 changer transitions 72/72 dead transitions. [2025-01-09 21:26:12,349 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 80 places, 72 transitions, 216 flow [2025-01-09 21:26:12,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-09 21:26:12,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-01-09 21:26:12,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 206 transitions. [2025-01-09 21:26:12,350 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8373983739837398 [2025-01-09 21:26:12,350 INFO L175 Difference]: Start difference. First operand has 86 places, 71 transitions, 174 flow. Second operand 3 states and 206 transitions. [2025-01-09 21:26:12,350 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 80 places, 72 transitions, 216 flow [2025-01-09 21:26:12,352 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 77 places, 72 transitions, 210 flow, removed 0 selfloop flow, removed 3 redundant places. [2025-01-09 21:26:12,353 INFO L231 Difference]: Finished difference. Result has 77 places, 0 transitions, 0 flow [2025-01-09 21:26:12,353 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=82, PETRI_DIFFERENCE_MINUEND_FLOW=166, PETRI_DIFFERENCE_MINUEND_PLACES=75, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=70, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=70, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=77, PETRI_TRANSITIONS=0} [2025-01-09 21:26:12,353 INFO L279 CegarLoopForPetriNet]: 83 programPoint places, -6 predicate places. [2025-01-09 21:26:12,354 INFO L471 AbstractCegarLoop]: Abstraction has has 77 places, 0 transitions, 0 flow [2025-01-09 21:26:12,355 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 65.66666666666667) internal successors, (197), 3 states have internal predecessors, (197), 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 21:26:12,356 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (5 of 6 remaining) [2025-01-09 21:26:12,357 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (4 of 6 remaining) [2025-01-09 21:26:12,357 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (3 of 6 remaining) [2025-01-09 21:26:12,357 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (2 of 6 remaining) [2025-01-09 21:26:12,357 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (1 of 6 remaining) [2025-01-09 21:26:12,357 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (0 of 6 remaining) [2025-01-09 21:26:12,357 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-01-09 21:26:12,357 INFO L422 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1] [2025-01-09 21:26:12,363 INFO L241 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2025-01-09 21:26:12,365 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-01-09 21:26:12,368 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.01 09:26:12 BasicIcfg [2025-01-09 21:26:12,370 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-01-09 21:26:12,370 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-01-09 21:26:12,371 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-01-09 21:26:12,371 INFO L274 PluginConnector]: Witness Printer initialized [2025-01-09 21:26:12,371 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 09:26:10" (3/4) ... [2025-01-09 21:26:12,372 INFO L146 WitnessPrinter]: Generating witness for correct program [2025-01-09 21:26:12,374 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure t_fun [2025-01-09 21:26:12,377 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2025-01-09 21:26:12,377 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2025-01-09 21:26:12,377 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2025-01-09 21:26:12,377 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2025-01-09 21:26:12,425 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-01-09 21:26:12,425 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.yml [2025-01-09 21:26:12,425 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-01-09 21:26:12,426 INFO L158 Benchmark]: Toolchain (without parser) took 2059.31ms. Allocated memory is still 167.8MB. Free memory was 132.1MB in the beginning and 106.8MB in the end (delta: 25.3MB). Peak memory consumption was 24.3MB. Max. memory is 16.1GB. [2025-01-09 21:26:12,426 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 226.5MB. Free memory is still 139.8MB. There was no memory consumed. Max. memory is 16.1GB. [2025-01-09 21:26:12,427 INFO L158 Benchmark]: CACSL2BoogieTranslator took 300.79ms. Allocated memory is still 167.8MB. Free memory was 131.6MB in the beginning and 112.1MB in the end (delta: 19.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-01-09 21:26:12,427 INFO L158 Benchmark]: Boogie Procedure Inliner took 21.50ms. Allocated memory is still 167.8MB. Free memory was 112.1MB in the beginning and 110.5MB in the end (delta: 1.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-01-09 21:26:12,427 INFO L158 Benchmark]: Boogie Preprocessor took 21.96ms. Allocated memory is still 167.8MB. Free memory was 110.5MB in the beginning and 109.6MB in the end (delta: 894.0kB). There was no memory consumed. Max. memory is 16.1GB. [2025-01-09 21:26:12,428 INFO L158 Benchmark]: RCFGBuilder took 279.74ms. Allocated memory is still 167.8MB. Free memory was 109.6MB in the beginning and 95.2MB in the end (delta: 14.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-01-09 21:26:12,428 INFO L158 Benchmark]: TraceAbstraction took 1373.87ms. Allocated memory is still 167.8MB. Free memory was 94.3MB in the beginning and 112.0MB in the end (delta: -17.8MB). There was no memory consumed. Max. memory is 16.1GB. [2025-01-09 21:26:12,428 INFO L158 Benchmark]: Witness Printer took 54.79ms. Allocated memory is still 167.8MB. Free memory was 112.0MB in the beginning and 106.8MB in the end (delta: 5.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-01-09 21:26:12,430 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 226.5MB. Free memory is still 139.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 300.79ms. Allocated memory is still 167.8MB. Free memory was 131.6MB in the beginning and 112.1MB in the end (delta: 19.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 21.50ms. Allocated memory is still 167.8MB. Free memory was 112.1MB in the beginning and 110.5MB in the end (delta: 1.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 21.96ms. Allocated memory is still 167.8MB. Free memory was 110.5MB in the beginning and 109.6MB in the end (delta: 894.0kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 279.74ms. Allocated memory is still 167.8MB. Free memory was 109.6MB in the beginning and 95.2MB in the end (delta: 14.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 1373.87ms. Allocated memory is still 167.8MB. Free memory was 94.3MB in the beginning and 112.0MB in the end (delta: -17.8MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 54.79ms. Allocated memory is still 167.8MB. Free memory was 112.0MB in the beginning and 106.8MB in the end (delta: 5.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 699]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 686]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 689]: 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 3 procedures, 106 locations, 6 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: 1.3s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 148 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 77 mSDsluCounter, 28 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 6 mSDsCounter, 14 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 246 IncrementalHoareTripleChecker+Invalid, 260 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 14 mSolverCounterUnsat, 22 mSDtfsCounter, 246 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 18 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=238occurred in iteration=3, InterpolantAutomatonStates: 17, 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, 0.4s InterpolantComputationTime, 205 NumberOfCodeBlocks, 205 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 200 ConstructedInterpolants, 0 QuantifiedInterpolants, 335 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 3 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2025-01-09 21:26:12,443 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE