./Ultimate.py --spec ../sv-benchmarks/c/properties/no-data-race.prp --file ../sv-benchmarks/c/goblint-regression/13-privatized_19-publish-precision_unknown_1_pos.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 551b0097 Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/goblint-regression/13-privatized_19-publish-precision_unknown_1_pos.i -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash f1ef95a35179200d99984d58302d18a6584e38a2849111bfe4f263e2c30aaebc --- Real Ultimate output --- This is Ultimate 0.3.0-?-551b009-m [2025-01-09 21:25:50,604 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-01-09 21:25:50,652 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2025-01-09 21:25:50,655 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-01-09 21:25:50,656 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-01-09 21:25:50,671 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-01-09 21:25:50,671 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-01-09 21:25:50,672 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-01-09 21:25:50,672 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-01-09 21:25:50,672 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-01-09 21:25:50,672 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-01-09 21:25:50,672 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-01-09 21:25:50,672 INFO L153 SettingsManager]: * Use SBE=true [2025-01-09 21:25:50,672 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-01-09 21:25:50,672 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-01-09 21:25:50,672 INFO L153 SettingsManager]: * sizeof long=4 [2025-01-09 21:25:50,672 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-01-09 21:25:50,672 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-01-09 21:25:50,672 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-01-09 21:25:50,673 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-01-09 21:25:50,673 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-01-09 21:25:50,673 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-01-09 21:25:50,673 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2025-01-09 21:25:50,673 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-01-09 21:25:50,673 INFO L153 SettingsManager]: * sizeof long double=12 [2025-01-09 21:25:50,673 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-01-09 21:25:50,673 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-01-09 21:25:50,673 INFO L153 SettingsManager]: * Use constant arrays=true [2025-01-09 21:25:50,673 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-01-09 21:25:50,673 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 21:25:50,673 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 21:25:50,673 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 21:25:50,673 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-01-09 21:25:50,673 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 21:25:50,673 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 21:25:50,673 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 21:25:50,673 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-01-09 21:25:50,674 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-01-09 21:25:50,674 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-01-09 21:25:50,674 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-01-09 21:25:50,674 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-01-09 21:25:50,674 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-01-09 21:25:50,674 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-01-09 21:25:50,674 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-01-09 21:25:50,674 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-01-09 21:25:50,674 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-01-09 21:25:50,674 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 -> f1ef95a35179200d99984d58302d18a6584e38a2849111bfe4f263e2c30aaebc [2025-01-09 21:25:50,859 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-01-09 21:25:50,864 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-01-09 21:25:50,866 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-01-09 21:25:50,867 INFO L270 PluginConnector]: Initializing CDTParser... [2025-01-09 21:25:50,867 INFO L274 PluginConnector]: CDTParser initialized [2025-01-09 21:25:50,867 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/goblint-regression/13-privatized_19-publish-precision_unknown_1_pos.i [2025-01-09 21:25:51,928 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/733bedc5a/f4913f6cdb40431a9c607fd351f08c17/FLAGe0566e3ba [2025-01-09 21:25:52,221 INFO L384 CDTParser]: Found 1 translation units. [2025-01-09 21:25:52,223 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/goblint-regression/13-privatized_19-publish-precision_unknown_1_pos.i [2025-01-09 21:25:52,238 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/733bedc5a/f4913f6cdb40431a9c607fd351f08c17/FLAGe0566e3ba [2025-01-09 21:25:52,253 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/733bedc5a/f4913f6cdb40431a9c607fd351f08c17 [2025-01-09 21:25:52,256 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-01-09 21:25:52,257 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-01-09 21:25:52,258 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-01-09 21:25:52,258 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-01-09 21:25:52,262 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-01-09 21:25:52,262 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 09:25:52" (1/1) ... [2025-01-09 21:25:52,263 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@73b689af and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:25:52, skipping insertion in model container [2025-01-09 21:25:52,264 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 09:25:52" (1/1) ... [2025-01-09 21:25:52,291 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-01-09 21:25:52,500 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 21:25:52,519 INFO L200 MainTranslator]: Completed pre-run [2025-01-09 21:25:52,555 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 21:25:52,579 INFO L204 MainTranslator]: Completed translation [2025-01-09 21:25:52,581 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:25:52 WrapperNode [2025-01-09 21:25:52,581 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-01-09 21:25:52,582 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-01-09 21:25:52,582 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-01-09 21:25:52,582 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-01-09 21:25:52,586 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:25:52" (1/1) ... [2025-01-09 21:25:52,595 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:25:52" (1/1) ... [2025-01-09 21:25:52,611 INFO L138 Inliner]: procedures = 162, calls = 29, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 49 [2025-01-09 21:25:52,612 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-01-09 21:25:52,613 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-01-09 21:25:52,613 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-01-09 21:25:52,613 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-01-09 21:25:52,618 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:25:52" (1/1) ... [2025-01-09 21:25:52,618 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:25:52" (1/1) ... [2025-01-09 21:25:52,620 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:25:52" (1/1) ... [2025-01-09 21:25:52,622 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:25:52" (1/1) ... [2025-01-09 21:25:52,625 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:25:52" (1/1) ... [2025-01-09 21:25:52,626 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:25:52" (1/1) ... [2025-01-09 21:25:52,627 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:25:52" (1/1) ... [2025-01-09 21:25:52,628 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:25:52" (1/1) ... [2025-01-09 21:25:52,628 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:25:52" (1/1) ... [2025-01-09 21:25:52,635 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-01-09 21:25:52,636 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-01-09 21:25:52,638 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-01-09 21:25:52,639 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-01-09 21:25:52,639 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:25:52" (1/1) ... [2025-01-09 21:25:52,646 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 21:25:52,654 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 21:25:52,663 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 21:25:52,665 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 21:25:52,680 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2025-01-09 21:25:52,680 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-01-09 21:25:52,680 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2025-01-09 21:25:52,680 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2025-01-09 21:25:52,680 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2025-01-09 21:25:52,680 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2025-01-09 21:25:52,680 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-01-09 21:25:52,680 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-01-09 21:25:52,681 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 21:25:52,756 INFO L234 CfgBuilder]: Building ICFG [2025-01-09 21:25:52,757 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-01-09 21:25:52,862 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-01-09 21:25:52,862 INFO L283 CfgBuilder]: Performing block encoding [2025-01-09 21:25:52,885 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-01-09 21:25:52,885 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2025-01-09 21:25:52,886 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 09:25:52 BoogieIcfgContainer [2025-01-09 21:25:52,886 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-01-09 21:25:52,887 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-01-09 21:25:52,887 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-01-09 21:25:52,890 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-01-09 21:25:52,890 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.01 09:25:52" (1/3) ... [2025-01-09 21:25:52,891 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@789e2cf3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 09:25:52, skipping insertion in model container [2025-01-09 21:25:52,891 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:25:52" (2/3) ... [2025-01-09 21:25:52,891 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@789e2cf3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 09:25:52, skipping insertion in model container [2025-01-09 21:25:52,891 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 09:25:52" (3/3) ... [2025-01-09 21:25:52,893 INFO L128 eAbstractionObserver]: Analyzing ICFG 13-privatized_19-publish-precision_unknown_1_pos.i [2025-01-09 21:25:52,904 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-01-09 21:25:52,906 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG 13-privatized_19-publish-precision_unknown_1_pos.i that has 2 procedures, 82 locations, 1 initial locations, 0 loop locations, and 3 error locations. [2025-01-09 21:25:52,906 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-01-09 21:25:52,946 INFO L143 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2025-01-09 21:25:52,973 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 85 places, 83 transitions, 173 flow [2025-01-09 21:25:53,002 INFO L124 PetriNetUnfolderBase]: 2/82 cut-off events. [2025-01-09 21:25:53,004 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2025-01-09 21:25:53,006 INFO L83 FinitePrefix]: Finished finitePrefix Result has 87 conditions, 82 events. 2/82 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 57 event pairs, 0 based on Foata normal form. 0/77 useless extension candidates. Maximal degree in co-relation 49. Up to 2 conditions per place. [2025-01-09 21:25:53,007 INFO L82 GeneralOperation]: Start removeDead. Operand has 85 places, 83 transitions, 173 flow [2025-01-09 21:25:53,009 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 79 places, 77 transitions, 157 flow [2025-01-09 21:25:53,014 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-01-09 21:25:53,022 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;@11ee6879, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-09 21:25:53,022 INFO L334 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2025-01-09 21:25:53,030 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2025-01-09 21:25:53,031 INFO L124 PetriNetUnfolderBase]: 0/39 cut-off events. [2025-01-09 21:25:53,031 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-01-09 21:25:53,031 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-01-09 21:25:53,032 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] [2025-01-09 21:25:53,033 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONDATA_RACE (and 3 more)] === [2025-01-09 21:25:53,037 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 21:25:53,038 INFO L85 PathProgramCache]: Analyzing trace with hash -1124620218, now seen corresponding path program 1 times [2025-01-09 21:25:53,043 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 21:25:53,043 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1778487225] [2025-01-09 21:25:53,043 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 21:25:53,044 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 21:25:53,097 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 34 statements into 1 equivalence classes. [2025-01-09 21:25:53,114 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 34 of 34 statements. [2025-01-09 21:25:53,114 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 21:25:53,114 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 21:25:53,211 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 21:25:53,213 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 21:25:53,214 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1778487225] [2025-01-09 21:25:53,214 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1778487225] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 21:25:53,214 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 21:25:53,215 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-01-09 21:25:53,215 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1774159402] [2025-01-09 21:25:53,216 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 21:25:53,220 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-09 21:25:53,223 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 21:25:53,237 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-09 21:25:53,238 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-09 21:25:53,255 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 65 out of 83 [2025-01-09 21:25:53,257 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 79 places, 77 transitions, 157 flow. Second operand has 3 states, 3 states have (on average 66.33333333333333) internal successors, (199), 3 states have internal predecessors, (199), 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 21:25:53,258 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-01-09 21:25:53,258 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 65 of 83 [2025-01-09 21:25:53,258 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-01-09 21:25:53,382 INFO L124 PetriNetUnfolderBase]: 46/314 cut-off events. [2025-01-09 21:25:53,383 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2025-01-09 21:25:53,384 INFO L83 FinitePrefix]: Finished finitePrefix Result has 434 conditions, 314 events. 46/314 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 1501 event pairs, 12 based on Foata normal form. 30/312 useless extension candidates. Maximal degree in co-relation 400. Up to 65 conditions per place. [2025-01-09 21:25:53,386 INFO L140 encePairwiseOnDemand]: 76/83 looper letters, 18 selfloop transitions, 4 changer transitions 2/83 dead transitions. [2025-01-09 21:25:53,388 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 79 places, 83 transitions, 217 flow [2025-01-09 21:25:53,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-09 21:25:53,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-01-09 21:25:53,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 224 transitions. [2025-01-09 21:25:53,400 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8995983935742972 [2025-01-09 21:25:53,401 INFO L175 Difference]: Start difference. First operand has 79 places, 77 transitions, 157 flow. Second operand 3 states and 224 transitions. [2025-01-09 21:25:53,402 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 79 places, 83 transitions, 217 flow [2025-01-09 21:25:53,405 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 78 places, 83 transitions, 216 flow, removed 0 selfloop flow, removed 1 redundant places. [2025-01-09 21:25:53,409 INFO L231 Difference]: Finished difference. Result has 80 places, 76 transitions, 178 flow [2025-01-09 21:25:53,411 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=83, PETRI_DIFFERENCE_MINUEND_FLOW=148, PETRI_DIFFERENCE_MINUEND_PLACES=76, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=73, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=69, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=178, PETRI_PLACES=80, PETRI_TRANSITIONS=76} [2025-01-09 21:25:53,413 INFO L279 CegarLoopForPetriNet]: 79 programPoint places, 1 predicate places. [2025-01-09 21:25:53,414 INFO L471 AbstractCegarLoop]: Abstraction has has 80 places, 76 transitions, 178 flow [2025-01-09 21:25:53,414 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 66.33333333333333) internal successors, (199), 3 states have internal predecessors, (199), 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 21:25:53,415 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-01-09 21:25:53,416 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] [2025-01-09 21:25:53,416 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-01-09 21:25:53,416 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONDATA_RACE (and 3 more)] === [2025-01-09 21:25:53,416 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 21:25:53,416 INFO L85 PathProgramCache]: Analyzing trace with hash -453529840, now seen corresponding path program 1 times [2025-01-09 21:25:53,416 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 21:25:53,416 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [913804287] [2025-01-09 21:25:53,417 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 21:25:53,417 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 21:25:53,431 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 37 statements into 1 equivalence classes. [2025-01-09 21:25:53,444 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 37 of 37 statements. [2025-01-09 21:25:53,445 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 21:25:53,445 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 21:25:53,503 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 21:25:53,504 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 21:25:53,504 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [913804287] [2025-01-09 21:25:53,504 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [913804287] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 21:25:53,504 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 21:25:53,504 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-01-09 21:25:53,504 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [146225] [2025-01-09 21:25:53,504 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 21:25:53,510 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-09 21:25:53,510 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 21:25:53,511 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-09 21:25:53,511 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-09 21:25:53,535 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 63 out of 83 [2025-01-09 21:25:53,536 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 80 places, 76 transitions, 178 flow. Second operand has 3 states, 3 states have (on average 65.0) internal successors, (195), 3 states have internal predecessors, (195), 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 21:25:53,536 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-01-09 21:25:53,536 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 63 of 83 [2025-01-09 21:25:53,536 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-01-09 21:25:53,606 INFO L124 PetriNetUnfolderBase]: 50/323 cut-off events. [2025-01-09 21:25:53,607 INFO L125 PetriNetUnfolderBase]: For 53/53 co-relation queries the response was YES. [2025-01-09 21:25:53,607 INFO L83 FinitePrefix]: Finished finitePrefix Result has 514 conditions, 323 events. 50/323 cut-off events. For 53/53 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 1629 event pairs, 31 based on Foata normal form. 0/294 useless extension candidates. Maximal degree in co-relation 479. Up to 107 conditions per place. [2025-01-09 21:25:53,609 INFO L140 encePairwiseOnDemand]: 78/83 looper letters, 18 selfloop transitions, 5 changer transitions 0/81 dead transitions. [2025-01-09 21:25:53,609 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 82 places, 81 transitions, 238 flow [2025-01-09 21:25:53,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-09 21:25:53,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-01-09 21:25:53,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 211 transitions. [2025-01-09 21:25:53,612 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8473895582329317 [2025-01-09 21:25:53,612 INFO L175 Difference]: Start difference. First operand has 80 places, 76 transitions, 178 flow. Second operand 3 states and 211 transitions. [2025-01-09 21:25:53,612 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 82 places, 81 transitions, 238 flow [2025-01-09 21:25:53,613 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 80 places, 81 transitions, 228 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-01-09 21:25:53,614 INFO L231 Difference]: Finished difference. Result has 82 places, 79 transitions, 206 flow [2025-01-09 21:25:53,614 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=83, PETRI_DIFFERENCE_MINUEND_FLOW=170, PETRI_DIFFERENCE_MINUEND_PLACES=78, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=76, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=71, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=206, PETRI_PLACES=82, PETRI_TRANSITIONS=79} [2025-01-09 21:25:53,614 INFO L279 CegarLoopForPetriNet]: 79 programPoint places, 3 predicate places. [2025-01-09 21:25:53,614 INFO L471 AbstractCegarLoop]: Abstraction has has 82 places, 79 transitions, 206 flow [2025-01-09 21:25:53,615 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 65.0) internal successors, (195), 3 states have internal predecessors, (195), 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 21:25:53,615 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-01-09 21:25:53,615 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 21:25:53,615 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-01-09 21:25:53,615 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONDATA_RACE (and 3 more)] === [2025-01-09 21:25:53,615 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 21:25:53,615 INFO L85 PathProgramCache]: Analyzing trace with hash -811412670, now seen corresponding path program 1 times [2025-01-09 21:25:53,617 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 21:25:53,617 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1946643096] [2025-01-09 21:25:53,617 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 21:25:53,618 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 21:25:53,634 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 42 statements into 1 equivalence classes. [2025-01-09 21:25:53,650 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 42 of 42 statements. [2025-01-09 21:25:53,650 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 21:25:53,650 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 21:25:53,860 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 21:25:53,860 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 21:25:53,860 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1946643096] [2025-01-09 21:25:53,860 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1946643096] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 21:25:53,860 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 21:25:53,860 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2025-01-09 21:25:53,860 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1969410720] [2025-01-09 21:25:53,860 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 21:25:53,860 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-01-09 21:25:53,861 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 21:25:53,861 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-01-09 21:25:53,861 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2025-01-09 21:25:53,931 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 68 out of 83 [2025-01-09 21:25:53,932 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 82 places, 79 transitions, 206 flow. Second operand has 6 states, 6 states have (on average 69.0) internal successors, (414), 6 states have internal predecessors, (414), 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 21:25:53,932 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-01-09 21:25:53,932 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 68 of 83 [2025-01-09 21:25:53,932 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-01-09 21:25:54,012 INFO L124 PetriNetUnfolderBase]: 5/163 cut-off events. [2025-01-09 21:25:54,013 INFO L125 PetriNetUnfolderBase]: For 11/11 co-relation queries the response was YES. [2025-01-09 21:25:54,013 INFO L83 FinitePrefix]: Finished finitePrefix Result has 229 conditions, 163 events. 5/163 cut-off events. For 11/11 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 385 event pairs, 2 based on Foata normal form. 4/159 useless extension candidates. Maximal degree in co-relation 191. Up to 16 conditions per place. [2025-01-09 21:25:54,013 INFO L140 encePairwiseOnDemand]: 75/83 looper letters, 3 selfloop transitions, 7 changer transitions 9/75 dead transitions. [2025-01-09 21:25:54,013 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 84 places, 75 transitions, 206 flow [2025-01-09 21:25:54,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-09 21:25:54,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2025-01-09 21:25:54,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 356 transitions. [2025-01-09 21:25:54,017 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8578313253012049 [2025-01-09 21:25:54,018 INFO L175 Difference]: Start difference. First operand has 82 places, 79 transitions, 206 flow. Second operand 5 states and 356 transitions. [2025-01-09 21:25:54,018 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 84 places, 75 transitions, 206 flow [2025-01-09 21:25:54,018 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 80 places, 75 transitions, 188 flow, removed 3 selfloop flow, removed 4 redundant places. [2025-01-09 21:25:54,019 INFO L231 Difference]: Finished difference. Result has 80 places, 65 transitions, 156 flow [2025-01-09 21:25:54,019 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=83, PETRI_DIFFERENCE_MINUEND_FLOW=158, PETRI_DIFFERENCE_MINUEND_PLACES=76, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=73, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=66, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=156, PETRI_PLACES=80, PETRI_TRANSITIONS=65} [2025-01-09 21:25:54,021 INFO L279 CegarLoopForPetriNet]: 79 programPoint places, 1 predicate places. [2025-01-09 21:25:54,021 INFO L471 AbstractCegarLoop]: Abstraction has has 80 places, 65 transitions, 156 flow [2025-01-09 21:25:54,021 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 69.0) internal successors, (414), 6 states have internal predecessors, (414), 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 21:25:54,021 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-01-09 21:25:54,021 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 21:25:54,021 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-01-09 21:25:54,021 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONDATA_RACE (and 3 more)] === [2025-01-09 21:25:54,022 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 21:25:54,022 INFO L85 PathProgramCache]: Analyzing trace with hash 382824684, now seen corresponding path program 1 times [2025-01-09 21:25:54,023 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 21:25:54,023 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [533461706] [2025-01-09 21:25:54,023 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 21:25:54,023 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 21:25:54,032 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 46 statements into 1 equivalence classes. [2025-01-09 21:25:54,038 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 46 of 46 statements. [2025-01-09 21:25:54,038 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 21:25:54,038 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 21:25:54,058 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 21:25:54,058 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 21:25:54,058 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [533461706] [2025-01-09 21:25:54,059 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [533461706] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 21:25:54,059 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 21:25:54,059 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-01-09 21:25:54,059 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [608921396] [2025-01-09 21:25:54,059 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 21:25:54,060 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-09 21:25:54,061 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 21:25:54,061 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-09 21:25:54,061 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-09 21:25:54,074 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 63 out of 83 [2025-01-09 21:25:54,075 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 80 places, 65 transitions, 156 flow. Second operand has 3 states, 3 states have (on average 66.0) internal successors, (198), 3 states have internal predecessors, (198), 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 21:25:54,075 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-01-09 21:25:54,075 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 63 of 83 [2025-01-09 21:25:54,075 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-01-09 21:25:54,092 INFO L124 PetriNetUnfolderBase]: 4/105 cut-off events. [2025-01-09 21:25:54,092 INFO L125 PetriNetUnfolderBase]: For 16/16 co-relation queries the response was YES. [2025-01-09 21:25:54,092 INFO L83 FinitePrefix]: Finished finitePrefix Result has 163 conditions, 105 events. 4/105 cut-off events. For 16/16 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 146 event pairs, 3 based on Foata normal form. 2/103 useless extension candidates. Maximal degree in co-relation 126. Up to 27 conditions per place. [2025-01-09 21:25:54,092 INFO L140 encePairwiseOnDemand]: 81/83 looper letters, 0 selfloop transitions, 0 changer transitions 64/64 dead transitions. [2025-01-09 21:25:54,092 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 73 places, 64 transitions, 180 flow [2025-01-09 21:25:54,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-09 21:25:54,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-01-09 21:25:54,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 201 transitions. [2025-01-09 21:25:54,095 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8072289156626506 [2025-01-09 21:25:54,095 INFO L175 Difference]: Start difference. First operand has 80 places, 65 transitions, 156 flow. Second operand 3 states and 201 transitions. [2025-01-09 21:25:54,095 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 73 places, 64 transitions, 180 flow [2025-01-09 21:25:54,096 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 70 places, 64 transitions, 172 flow, removed 0 selfloop flow, removed 3 redundant places. [2025-01-09 21:25:54,096 INFO L231 Difference]: Finished difference. Result has 70 places, 0 transitions, 0 flow [2025-01-09 21:25:54,096 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=83, PETRI_DIFFERENCE_MINUEND_FLOW=146, PETRI_DIFFERENCE_MINUEND_PLACES=68, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=64, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=64, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=70, PETRI_TRANSITIONS=0} [2025-01-09 21:25:54,097 INFO L279 CegarLoopForPetriNet]: 79 programPoint places, -9 predicate places. [2025-01-09 21:25:54,097 INFO L471 AbstractCegarLoop]: Abstraction has has 70 places, 0 transitions, 0 flow [2025-01-09 21:25:54,097 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 66.0) internal successors, (198), 3 states have internal predecessors, (198), 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 21:25:54,101 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (5 of 6 remaining) [2025-01-09 21:25:54,102 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (4 of 6 remaining) [2025-01-09 21:25:54,102 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (3 of 6 remaining) [2025-01-09 21:25:54,102 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (2 of 6 remaining) [2025-01-09 21:25:54,102 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (1 of 6 remaining) [2025-01-09 21:25:54,102 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (0 of 6 remaining) [2025-01-09 21:25:54,102 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-01-09 21:25:54,102 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2025-01-09 21:25:54,108 INFO L241 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2025-01-09 21:25:54,108 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-01-09 21:25:54,113 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.01 09:25:54 BasicIcfg [2025-01-09 21:25:54,113 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-01-09 21:25:54,114 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-01-09 21:25:54,114 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-01-09 21:25:54,114 INFO L274 PluginConnector]: Witness Printer initialized [2025-01-09 21:25:54,116 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 09:25:52" (3/4) ... [2025-01-09 21:25:54,117 INFO L146 WitnessPrinter]: Generating witness for correct program [2025-01-09 21:25:54,119 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure t_fun [2025-01-09 21:25:54,121 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2025-01-09 21:25:54,121 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2025-01-09 21:25:54,121 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2025-01-09 21:25:54,121 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2025-01-09 21:25:54,174 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-01-09 21:25:54,174 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.yml [2025-01-09 21:25:54,174 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-01-09 21:25:54,175 INFO L158 Benchmark]: Toolchain (without parser) took 1917.66ms. Allocated memory is still 142.6MB. Free memory was 109.1MB in the beginning and 89.6MB in the end (delta: 19.5MB). Peak memory consumption was 20.2MB. Max. memory is 16.1GB. [2025-01-09 21:25:54,176 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 201.3MB. Free memory is still 125.9MB. There was no memory consumed. Max. memory is 16.1GB. [2025-01-09 21:25:54,176 INFO L158 Benchmark]: CACSL2BoogieTranslator took 323.67ms. Allocated memory is still 142.6MB. Free memory was 109.1MB in the beginning and 90.1MB in the end (delta: 19.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-01-09 21:25:54,176 INFO L158 Benchmark]: Boogie Procedure Inliner took 30.48ms. Allocated memory is still 142.6MB. Free memory was 90.1MB in the beginning and 87.9MB in the end (delta: 2.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-01-09 21:25:54,176 INFO L158 Benchmark]: Boogie Preprocessor took 22.60ms. Allocated memory is still 142.6MB. Free memory was 87.9MB in the beginning and 86.8MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2025-01-09 21:25:54,176 INFO L158 Benchmark]: RCFGBuilder took 249.80ms. Allocated memory is still 142.6MB. Free memory was 86.8MB in the beginning and 72.1MB in the end (delta: 14.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-01-09 21:25:54,176 INFO L158 Benchmark]: TraceAbstraction took 1225.82ms. Allocated memory is still 142.6MB. Free memory was 72.1MB in the beginning and 94.9MB in the end (delta: -22.8MB). There was no memory consumed. Max. memory is 16.1GB. [2025-01-09 21:25:54,177 INFO L158 Benchmark]: Witness Printer took 60.28ms. Allocated memory is still 142.6MB. Free memory was 94.9MB in the beginning and 89.6MB in the end (delta: 5.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-01-09 21:25:54,178 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 201.3MB. Free memory is still 125.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 323.67ms. Allocated memory is still 142.6MB. Free memory was 109.1MB in the beginning and 90.1MB in the end (delta: 19.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 30.48ms. Allocated memory is still 142.6MB. Free memory was 90.1MB in the beginning and 87.9MB in the end (delta: 2.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 22.60ms. Allocated memory is still 142.6MB. Free memory was 87.9MB in the beginning and 86.8MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 249.80ms. Allocated memory is still 142.6MB. Free memory was 86.8MB in the beginning and 72.1MB in the end (delta: 14.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 1225.82ms. Allocated memory is still 142.6MB. Free memory was 72.1MB in the beginning and 94.9MB in the end (delta: -22.8MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 60.28ms. Allocated memory is still 142.6MB. Free memory was 94.9MB in the beginning and 89.6MB in the end (delta: 5.4MB). 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: 687]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 690]: 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, 111 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: 1.1s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 120 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 70 mSDsluCounter, 5 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1 mSDsCounter, 9 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 229 IncrementalHoareTripleChecker+Invalid, 238 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 9 mSolverCounterUnsat, 4 mSDtfsCounter, 229 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 14 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=206occurred in iteration=2, InterpolantAutomatonStates: 14, 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, 159 NumberOfCodeBlocks, 159 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 155 ConstructedInterpolants, 0 QuantifiedInterpolants, 276 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 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 21:25:54,192 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