./Ultimate.py --spec ../sv-benchmarks/c/properties/no-data-race.prp --file ../sv-benchmarks/c/goblint-regression/13-privatized_18-first-reads_unknown_1_neg.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_18-first-reads_unknown_1_neg.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 db89c87a20c604c9441b7de7f477400cd6fc4624b5ed335b5e7cd959bb73911d --- Real Ultimate output --- This is Ultimate 0.3.0-?-551b009-m [2025-01-09 21:25:43,104 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-01-09 21:25:43,168 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2025-01-09 21:25:43,175 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-01-09 21:25:43,176 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-01-09 21:25:43,188 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-01-09 21:25:43,189 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-01-09 21:25:43,189 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-01-09 21:25:43,189 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-01-09 21:25:43,189 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-01-09 21:25:43,189 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-01-09 21:25:43,190 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-01-09 21:25:43,190 INFO L153 SettingsManager]: * Use SBE=true [2025-01-09 21:25:43,190 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-01-09 21:25:43,190 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-01-09 21:25:43,190 INFO L153 SettingsManager]: * sizeof long=4 [2025-01-09 21:25:43,190 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-01-09 21:25:43,190 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-01-09 21:25:43,190 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-01-09 21:25:43,190 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-01-09 21:25:43,190 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-01-09 21:25:43,190 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-01-09 21:25:43,191 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2025-01-09 21:25:43,191 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-01-09 21:25:43,191 INFO L153 SettingsManager]: * sizeof long double=12 [2025-01-09 21:25:43,191 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-01-09 21:25:43,191 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-01-09 21:25:43,191 INFO L153 SettingsManager]: * Use constant arrays=true [2025-01-09 21:25:43,191 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-01-09 21:25:43,191 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 21:25:43,191 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 21:25:43,191 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 21:25:43,191 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-01-09 21:25:43,191 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 21:25:43,191 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 21:25:43,192 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 21:25:43,192 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-01-09 21:25:43,192 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-01-09 21:25:43,192 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-01-09 21:25:43,192 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-01-09 21:25:43,192 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-01-09 21:25:43,192 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-01-09 21:25:43,192 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-01-09 21:25:43,192 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-01-09 21:25:43,192 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-01-09 21:25:43,192 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-01-09 21:25:43,192 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 -> db89c87a20c604c9441b7de7f477400cd6fc4624b5ed335b5e7cd959bb73911d [2025-01-09 21:25:43,414 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-01-09 21:25:43,420 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-01-09 21:25:43,421 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-01-09 21:25:43,422 INFO L270 PluginConnector]: Initializing CDTParser... [2025-01-09 21:25:43,422 INFO L274 PluginConnector]: CDTParser initialized [2025-01-09 21:25:43,422 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/goblint-regression/13-privatized_18-first-reads_unknown_1_neg.i [2025-01-09 21:25:44,517 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/75bca135f/06d6c5b6c7df4735a035103a581bfb37/FLAGfd5168bee [2025-01-09 21:25:44,838 INFO L384 CDTParser]: Found 1 translation units. [2025-01-09 21:25:44,838 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/goblint-regression/13-privatized_18-first-reads_unknown_1_neg.i [2025-01-09 21:25:44,855 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/75bca135f/06d6c5b6c7df4735a035103a581bfb37/FLAGfd5168bee [2025-01-09 21:25:45,095 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/75bca135f/06d6c5b6c7df4735a035103a581bfb37 [2025-01-09 21:25:45,101 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-01-09 21:25:45,103 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-01-09 21:25:45,108 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-01-09 21:25:45,109 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-01-09 21:25:45,112 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-01-09 21:25:45,113 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 09:25:45" (1/1) ... [2025-01-09 21:25:45,117 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5ea24f20 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:25:45, skipping insertion in model container [2025-01-09 21:25:45,117 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 09:25:45" (1/1) ... [2025-01-09 21:25:45,159 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-01-09 21:25:45,458 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 21:25:45,475 INFO L200 MainTranslator]: Completed pre-run [2025-01-09 21:25:45,516 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 21:25:45,547 INFO L204 MainTranslator]: Completed translation [2025-01-09 21:25:45,548 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:25:45 WrapperNode [2025-01-09 21:25:45,549 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-01-09 21:25:45,550 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-01-09 21:25:45,550 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-01-09 21:25:45,550 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-01-09 21:25:45,555 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:25:45" (1/1) ... [2025-01-09 21:25:45,566 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:25:45" (1/1) ... [2025-01-09 21:25:45,583 INFO L138 Inliner]: procedures = 163, calls = 19, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 67 [2025-01-09 21:25:45,584 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-01-09 21:25:45,585 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-01-09 21:25:45,585 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-01-09 21:25:45,585 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-01-09 21:25:45,589 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:25:45" (1/1) ... [2025-01-09 21:25:45,589 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:25:45" (1/1) ... [2025-01-09 21:25:45,591 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:25:45" (1/1) ... [2025-01-09 21:25:45,593 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:25:45" (1/1) ... [2025-01-09 21:25:45,596 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:25:45" (1/1) ... [2025-01-09 21:25:45,600 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:25:45" (1/1) ... [2025-01-09 21:25:45,602 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:25:45" (1/1) ... [2025-01-09 21:25:45,602 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:25:45" (1/1) ... [2025-01-09 21:25:45,603 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:25:45" (1/1) ... [2025-01-09 21:25:45,608 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-01-09 21:25:45,609 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-01-09 21:25:45,609 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-01-09 21:25:45,609 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-01-09 21:25:45,609 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:25:45" (1/1) ... [2025-01-09 21:25:45,615 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 21:25:45,625 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 21:25:45,646 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 21:25:45,649 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 21:25:45,665 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2025-01-09 21:25:45,665 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-01-09 21:25:45,665 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2025-01-09 21:25:45,665 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2025-01-09 21:25:45,665 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2025-01-09 21:25:45,665 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2025-01-09 21:25:45,665 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-01-09 21:25:45,665 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-01-09 21:25:45,666 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 21:25:45,745 INFO L234 CfgBuilder]: Building ICFG [2025-01-09 21:25:45,747 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-01-09 21:25:45,851 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-01-09 21:25:45,851 INFO L283 CfgBuilder]: Performing block encoding [2025-01-09 21:25:45,864 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-01-09 21:25:45,864 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2025-01-09 21:25:45,864 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 09:25:45 BoogieIcfgContainer [2025-01-09 21:25:45,865 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-01-09 21:25:45,866 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-01-09 21:25:45,866 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-01-09 21:25:45,869 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-01-09 21:25:45,869 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.01 09:25:45" (1/3) ... [2025-01-09 21:25:45,870 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@67eb88d6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 09:25:45, skipping insertion in model container [2025-01-09 21:25:45,870 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:25:45" (2/3) ... [2025-01-09 21:25:45,870 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@67eb88d6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 09:25:45, skipping insertion in model container [2025-01-09 21:25:45,870 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 09:25:45" (3/3) ... [2025-01-09 21:25:45,871 INFO L128 eAbstractionObserver]: Analyzing ICFG 13-privatized_18-first-reads_unknown_1_neg.i [2025-01-09 21:25:45,880 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-01-09 21:25:45,882 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG 13-privatized_18-first-reads_unknown_1_neg.i that has 2 procedures, 73 locations, 1 initial locations, 0 loop locations, and 3 error locations. [2025-01-09 21:25:45,882 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-01-09 21:25:45,915 INFO L143 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2025-01-09 21:25:45,935 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 76 places, 75 transitions, 157 flow [2025-01-09 21:25:45,961 INFO L124 PetriNetUnfolderBase]: 3/74 cut-off events. [2025-01-09 21:25:45,962 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2025-01-09 21:25:45,967 INFO L83 FinitePrefix]: Finished finitePrefix Result has 79 conditions, 74 events. 3/74 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 41 event pairs, 0 based on Foata normal form. 0/68 useless extension candidates. Maximal degree in co-relation 48. Up to 2 conditions per place. [2025-01-09 21:25:45,968 INFO L82 GeneralOperation]: Start removeDead. Operand has 76 places, 75 transitions, 157 flow [2025-01-09 21:25:45,970 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 64 places, 63 transitions, 129 flow [2025-01-09 21:25:45,975 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-01-09 21:25:45,982 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;@760679cc, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-09 21:25:45,982 INFO L334 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2025-01-09 21:25:45,990 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2025-01-09 21:25:45,991 INFO L124 PetriNetUnfolderBase]: 0/39 cut-off events. [2025-01-09 21:25:45,991 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-01-09 21:25:45,991 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-01-09 21:25:45,991 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] [2025-01-09 21:25:45,992 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr1ASSERT_VIOLATIONDATA_RACE, t_funErr0ASSERT_VIOLATIONDATA_RACE (and 4 more)] === [2025-01-09 21:25:45,996 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 21:25:45,997 INFO L85 PathProgramCache]: Analyzing trace with hash -609181813, now seen corresponding path program 1 times [2025-01-09 21:25:46,002 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 21:25:46,002 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1156395231] [2025-01-09 21:25:46,002 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 21:25:46,002 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 21:25:46,054 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 31 statements into 1 equivalence classes. [2025-01-09 21:25:46,064 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 31 of 31 statements. [2025-01-09 21:25:46,065 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 21:25:46,065 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 21:25:46,128 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 21:25:46,128 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 21:25:46,129 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1156395231] [2025-01-09 21:25:46,129 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1156395231] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 21:25:46,129 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 21:25:46,129 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-01-09 21:25:46,130 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1945554174] [2025-01-09 21:25:46,131 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 21:25:46,139 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-09 21:25:46,142 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 21:25:46,154 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-09 21:25:46,154 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-09 21:25:46,172 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 61 out of 75 [2025-01-09 21:25:46,175 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 64 places, 63 transitions, 129 flow. Second operand has 3 states, 3 states have (on average 62.333333333333336) internal successors, (187), 3 states have internal predecessors, (187), 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 21:25:46,175 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-01-09 21:25:46,175 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 61 of 75 [2025-01-09 21:25:46,177 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-01-09 21:25:46,226 INFO L124 PetriNetUnfolderBase]: 11/108 cut-off events. [2025-01-09 21:25:46,227 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2025-01-09 21:25:46,228 INFO L83 FinitePrefix]: Finished finitePrefix Result has 141 conditions, 108 events. 11/108 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 265 event pairs, 6 based on Foata normal form. 6/107 useless extension candidates. Maximal degree in co-relation 114. Up to 19 conditions per place. [2025-01-09 21:25:46,230 INFO L140 encePairwiseOnDemand]: 70/75 looper letters, 8 selfloop transitions, 2 changer transitions 0/60 dead transitions. [2025-01-09 21:25:46,230 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 63 places, 60 transitions, 143 flow [2025-01-09 21:25:46,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-09 21:25:46,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-01-09 21:25:46,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 196 transitions. [2025-01-09 21:25:46,241 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8711111111111111 [2025-01-09 21:25:46,243 INFO L175 Difference]: Start difference. First operand has 64 places, 63 transitions, 129 flow. Second operand 3 states and 196 transitions. [2025-01-09 21:25:46,243 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 63 places, 60 transitions, 143 flow [2025-01-09 21:25:46,248 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 62 places, 60 transitions, 142 flow, removed 0 selfloop flow, removed 1 redundant places. [2025-01-09 21:25:46,250 INFO L231 Difference]: Finished difference. Result has 62 places, 58 transitions, 122 flow [2025-01-09 21:25:46,253 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=75, PETRI_DIFFERENCE_MINUEND_FLOW=118, PETRI_DIFFERENCE_MINUEND_PLACES=60, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=58, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=56, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=122, PETRI_PLACES=62, PETRI_TRANSITIONS=58} [2025-01-09 21:25:46,256 INFO L279 CegarLoopForPetriNet]: 64 programPoint places, -2 predicate places. [2025-01-09 21:25:46,257 INFO L471 AbstractCegarLoop]: Abstraction has has 62 places, 58 transitions, 122 flow [2025-01-09 21:25:46,258 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 62.333333333333336) internal successors, (187), 3 states have internal predecessors, (187), 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 21:25:46,258 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-01-09 21:25:46,259 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] [2025-01-09 21:25:46,259 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-01-09 21:25:46,259 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr1ASSERT_VIOLATIONDATA_RACE, t_funErr0ASSERT_VIOLATIONDATA_RACE (and 4 more)] === [2025-01-09 21:25:46,259 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 21:25:46,260 INFO L85 PathProgramCache]: Analyzing trace with hash -1309118132, now seen corresponding path program 1 times [2025-01-09 21:25:46,260 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 21:25:46,260 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2129396808] [2025-01-09 21:25:46,260 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 21:25:46,261 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 21:25:46,280 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 33 statements into 1 equivalence classes. [2025-01-09 21:25:46,287 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 33 of 33 statements. [2025-01-09 21:25:46,287 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 21:25:46,287 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 21:25:46,341 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 21:25:46,342 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 21:25:46,342 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2129396808] [2025-01-09 21:25:46,342 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2129396808] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 21:25:46,342 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 21:25:46,342 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-01-09 21:25:46,342 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1498490992] [2025-01-09 21:25:46,342 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 21:25:46,343 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-09 21:25:46,343 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 21:25:46,344 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-09 21:25:46,344 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-09 21:25:46,358 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 59 out of 75 [2025-01-09 21:25:46,358 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 62 places, 58 transitions, 122 flow. Second operand has 3 states, 3 states have (on average 60.666666666666664) internal successors, (182), 3 states have internal predecessors, (182), 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 21:25:46,359 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-01-09 21:25:46,359 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 59 of 75 [2025-01-09 21:25:46,359 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-01-09 21:25:46,383 INFO L124 PetriNetUnfolderBase]: 16/94 cut-off events. [2025-01-09 21:25:46,384 INFO L125 PetriNetUnfolderBase]: For 6/6 co-relation queries the response was YES. [2025-01-09 21:25:46,384 INFO L83 FinitePrefix]: Finished finitePrefix Result has 146 conditions, 94 events. 16/94 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 197 event pairs, 9 based on Foata normal form. 0/88 useless extension candidates. Maximal degree in co-relation 119. Up to 30 conditions per place. [2025-01-09 21:25:46,384 INFO L140 encePairwiseOnDemand]: 72/75 looper letters, 10 selfloop transitions, 2 changer transitions 3/59 dead transitions. [2025-01-09 21:25:46,385 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 63 places, 59 transitions, 148 flow [2025-01-09 21:25:46,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-09 21:25:46,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-01-09 21:25:46,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 190 transitions. [2025-01-09 21:25:46,386 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8444444444444444 [2025-01-09 21:25:46,386 INFO L175 Difference]: Start difference. First operand has 62 places, 58 transitions, 122 flow. Second operand 3 states and 190 transitions. [2025-01-09 21:25:46,386 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 63 places, 59 transitions, 148 flow [2025-01-09 21:25:46,387 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 61 places, 59 transitions, 144 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-01-09 21:25:46,387 INFO L231 Difference]: Finished difference. Result has 61 places, 54 transitions, 114 flow [2025-01-09 21:25:46,387 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=75, PETRI_DIFFERENCE_MINUEND_FLOW=116, PETRI_DIFFERENCE_MINUEND_PLACES=59, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=57, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=55, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=114, PETRI_PLACES=61, PETRI_TRANSITIONS=54} [2025-01-09 21:25:46,388 INFO L279 CegarLoopForPetriNet]: 64 programPoint places, -3 predicate places. [2025-01-09 21:25:46,388 INFO L471 AbstractCegarLoop]: Abstraction has has 61 places, 54 transitions, 114 flow [2025-01-09 21:25:46,388 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 60.666666666666664) internal successors, (182), 3 states have internal predecessors, (182), 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 21:25:46,388 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-01-09 21:25:46,388 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] [2025-01-09 21:25:46,388 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-01-09 21:25:46,389 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting t_funErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr1ASSERT_VIOLATIONDATA_RACE, t_funErr0ASSERT_VIOLATIONDATA_RACE (and 4 more)] === [2025-01-09 21:25:46,389 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 21:25:46,389 INFO L85 PathProgramCache]: Analyzing trace with hash -508798528, now seen corresponding path program 1 times [2025-01-09 21:25:46,389 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 21:25:46,389 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [971289999] [2025-01-09 21:25:46,389 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 21:25:46,389 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 21:25:46,398 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 42 statements into 1 equivalence classes. [2025-01-09 21:25:46,405 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 42 of 42 statements. [2025-01-09 21:25:46,406 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 21:25:46,406 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 21:25:46,439 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 21:25:46,439 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 21:25:46,439 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [971289999] [2025-01-09 21:25:46,439 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [971289999] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 21:25:46,439 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 21:25:46,439 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-01-09 21:25:46,440 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [583530536] [2025-01-09 21:25:46,440 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 21:25:46,440 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-09 21:25:46,440 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 21:25:46,440 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-09 21:25:46,441 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-09 21:25:46,456 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 59 out of 75 [2025-01-09 21:25:46,457 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 61 places, 54 transitions, 114 flow. Second operand has 3 states, 3 states have (on average 61.0) internal successors, (183), 3 states have internal predecessors, (183), 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 21:25:46,457 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-01-09 21:25:46,457 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 59 of 75 [2025-01-09 21:25:46,457 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-01-09 21:25:46,476 INFO L124 PetriNetUnfolderBase]: 11/81 cut-off events. [2025-01-09 21:25:46,477 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2025-01-09 21:25:46,477 INFO L83 FinitePrefix]: Finished finitePrefix Result has 118 conditions, 81 events. 11/81 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 141 event pairs, 8 based on Foata normal form. 3/79 useless extension candidates. Maximal degree in co-relation 97. Up to 24 conditions per place. [2025-01-09 21:25:46,477 INFO L140 encePairwiseOnDemand]: 73/75 looper letters, 0 selfloop transitions, 0 changer transitions 55/55 dead transitions. [2025-01-09 21:25:46,477 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 59 places, 55 transitions, 136 flow [2025-01-09 21:25:46,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-09 21:25:46,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-01-09 21:25:46,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 188 transitions. [2025-01-09 21:25:46,478 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8355555555555556 [2025-01-09 21:25:46,479 INFO L175 Difference]: Start difference. First operand has 61 places, 54 transitions, 114 flow. Second operand 3 states and 188 transitions. [2025-01-09 21:25:46,479 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 59 places, 55 transitions, 136 flow [2025-01-09 21:25:46,479 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 57 places, 55 transitions, 132 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-01-09 21:25:46,479 INFO L231 Difference]: Finished difference. Result has 57 places, 0 transitions, 0 flow [2025-01-09 21:25:46,480 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=75, PETRI_DIFFERENCE_MINUEND_FLOW=108, PETRI_DIFFERENCE_MINUEND_PLACES=55, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=53, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=53, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=57, PETRI_TRANSITIONS=0} [2025-01-09 21:25:46,480 INFO L279 CegarLoopForPetriNet]: 64 programPoint places, -7 predicate places. [2025-01-09 21:25:46,480 INFO L471 AbstractCegarLoop]: Abstraction has has 57 places, 0 transitions, 0 flow [2025-01-09 21:25:46,480 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 61.0) internal successors, (183), 3 states have internal predecessors, (183), 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 21:25:46,482 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (6 of 7 remaining) [2025-01-09 21:25:46,483 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (5 of 7 remaining) [2025-01-09 21:25:46,483 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (4 of 7 remaining) [2025-01-09 21:25:46,483 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr2ASSERT_VIOLATIONDATA_RACE (3 of 7 remaining) [2025-01-09 21:25:46,483 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (2 of 7 remaining) [2025-01-09 21:25:46,483 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (1 of 7 remaining) [2025-01-09 21:25:46,483 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr2ASSERT_VIOLATIONDATA_RACE (0 of 7 remaining) [2025-01-09 21:25:46,483 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-01-09 21:25:46,483 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2025-01-09 21:25:46,487 INFO L241 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2025-01-09 21:25:46,487 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-01-09 21:25:46,491 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.01 09:25:46 BasicIcfg [2025-01-09 21:25:46,491 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-01-09 21:25:46,492 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-01-09 21:25:46,492 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-01-09 21:25:46,492 INFO L274 PluginConnector]: Witness Printer initialized [2025-01-09 21:25:46,492 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 09:25:45" (3/4) ... [2025-01-09 21:25:46,494 INFO L146 WitnessPrinter]: Generating witness for correct program [2025-01-09 21:25:46,496 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure t_fun [2025-01-09 21:25:46,498 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2025-01-09 21:25:46,498 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2025-01-09 21:25:46,498 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2025-01-09 21:25:46,498 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2025-01-09 21:25:46,546 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-01-09 21:25:46,546 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.yml [2025-01-09 21:25:46,546 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-01-09 21:25:46,547 INFO L158 Benchmark]: Toolchain (without parser) took 1444.54ms. Allocated memory is still 142.6MB. Free memory was 111.5MB in the beginning and 85.3MB in the end (delta: 26.2MB). Peak memory consumption was 23.2MB. Max. memory is 16.1GB. [2025-01-09 21:25:46,547 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 226.5MB. Free memory is still 147.1MB. There was no memory consumed. Max. memory is 16.1GB. [2025-01-09 21:25:46,547 INFO L158 Benchmark]: CACSL2BoogieTranslator took 445.12ms. Allocated memory is still 142.6MB. Free memory was 111.5MB in the beginning and 92.4MB in the end (delta: 19.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-01-09 21:25:46,548 INFO L158 Benchmark]: Boogie Procedure Inliner took 34.35ms. Allocated memory is still 142.6MB. Free memory was 92.4MB in the beginning and 90.6MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2025-01-09 21:25:46,548 INFO L158 Benchmark]: Boogie Preprocessor took 23.29ms. Allocated memory is still 142.6MB. Free memory was 90.6MB in the beginning and 90.0MB in the end (delta: 593.0kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-01-09 21:25:46,548 INFO L158 Benchmark]: RCFGBuilder took 256.11ms. Allocated memory is still 142.6MB. Free memory was 90.0MB in the beginning and 76.3MB in the end (delta: 13.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-01-09 21:25:46,548 INFO L158 Benchmark]: TraceAbstraction took 625.13ms. Allocated memory is still 142.6MB. Free memory was 75.7MB in the beginning and 91.1MB in the end (delta: -15.4MB). There was no memory consumed. Max. memory is 16.1GB. [2025-01-09 21:25:46,548 INFO L158 Benchmark]: Witness Printer took 54.77ms. Allocated memory is still 142.6MB. Free memory was 90.3MB in the beginning and 85.3MB in the end (delta: 5.0MB). There was no memory consumed. Max. memory is 16.1GB. [2025-01-09 21:25:46,549 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 226.5MB. Free memory is still 147.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 445.12ms. Allocated memory is still 142.6MB. Free memory was 111.5MB in the beginning and 92.4MB in the end (delta: 19.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 34.35ms. Allocated memory is still 142.6MB. Free memory was 92.4MB in the beginning and 90.6MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 23.29ms. Allocated memory is still 142.6MB. Free memory was 90.6MB in the beginning and 90.0MB in the end (delta: 593.0kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 256.11ms. Allocated memory is still 142.6MB. Free memory was 90.0MB in the beginning and 76.3MB in the end (delta: 13.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 625.13ms. Allocated memory is still 142.6MB. Free memory was 75.7MB in the beginning and 91.1MB in the end (delta: -15.4MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 54.77ms. Allocated memory is still 142.6MB. Free memory was 90.3MB in the beginning and 85.3MB in the end (delta: 5.0MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 690]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 688]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 692]: 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, 114 locations, 7 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: 0.6s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 63 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 19 mSDsluCounter, 20 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 75 IncrementalHoareTripleChecker+Invalid, 78 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 20 mSDtfsCounter, 75 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=129occurred in iteration=0, InterpolantAutomatonStates: 9, 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, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 106 NumberOfCodeBlocks, 106 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 103 ConstructedInterpolants, 0 QuantifiedInterpolants, 109 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, 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 21:25:46,566 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