./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/no-data-race.prp --file ../../../trunk/examples/svcomp/goblint-regression/13-privatized_31-traces-mine-vs-mutex_true.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version da043454 Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../../../trunk/examples/svcomp/goblint-regression/13-privatized_31-traces-mine-vs-mutex_true.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 16b41d7352a3e7bca6c65d29839f35cd9a045339e5497acb7d0d6bf7ecef2ad7 --- Real Ultimate output --- This is Ultimate 0.3.0-wip.fs.system-includes-da04345-m [2025-04-30 10:28:44,765 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-04-30 10:28:44,828 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2025-04-30 10:28:44,834 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-04-30 10:28:44,836 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-04-30 10:28:44,854 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-04-30 10:28:44,856 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-04-30 10:28:44,856 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-04-30 10:28:44,856 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-04-30 10:28:44,856 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-04-30 10:28:44,857 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-04-30 10:28:44,857 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-04-30 10:28:44,857 INFO L153 SettingsManager]: * Use SBE=true [2025-04-30 10:28:44,858 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-04-30 10:28:44,858 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-04-30 10:28:44,858 INFO L153 SettingsManager]: * sizeof long=4 [2025-04-30 10:28:44,858 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-04-30 10:28:44,858 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-04-30 10:28:44,858 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-04-30 10:28:44,858 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-04-30 10:28:44,858 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-04-30 10:28:44,858 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-04-30 10:28:44,858 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2025-04-30 10:28:44,859 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-04-30 10:28:44,859 INFO L153 SettingsManager]: * sizeof long double=12 [2025-04-30 10:28:44,859 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-04-30 10:28:44,859 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-04-30 10:28:44,859 INFO L153 SettingsManager]: * Use constant arrays=true [2025-04-30 10:28:44,859 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-04-30 10:28:44,859 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-04-30 10:28:44,859 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-04-30 10:28:44,859 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-04-30 10:28:44,859 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-04-30 10:28:44,860 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-04-30 10:28:44,860 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-04-30 10:28:44,860 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-04-30 10:28:44,860 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-04-30 10:28:44,860 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-04-30 10:28:44,860 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-04-30 10:28:44,860 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-04-30 10:28:44,860 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-04-30 10:28:44,860 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-04-30 10:28:44,861 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-04-30 10:28:44,861 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-04-30 10:28:44,861 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-04-30 10:28:44,861 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/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 -> 16b41d7352a3e7bca6c65d29839f35cd9a045339e5497acb7d0d6bf7ecef2ad7 [2025-04-30 10:28:45,071 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-04-30 10:28:45,076 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-04-30 10:28:45,078 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-04-30 10:28:45,079 INFO L270 PluginConnector]: Initializing CDTParser... [2025-04-30 10:28:45,079 INFO L274 PluginConnector]: CDTParser initialized [2025-04-30 10:28:45,081 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/13-privatized_31-traces-mine-vs-mutex_true.i [2025-04-30 10:28:46,405 INFO L538 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/58dc58b55/7b8d095038804636b32efd21c3f5c61a/FLAG5773a966f [2025-04-30 10:28:46,659 INFO L389 CDTParser]: Found 1 translation units. [2025-04-30 10:28:46,660 INFO L178 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_31-traces-mine-vs-mutex_true.i [2025-04-30 10:28:46,672 INFO L432 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/58dc58b55/7b8d095038804636b32efd21c3f5c61a/FLAG5773a966f [2025-04-30 10:28:47,454 INFO L440 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/58dc58b55/7b8d095038804636b32efd21c3f5c61a [2025-04-30 10:28:47,456 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-04-30 10:28:47,457 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-04-30 10:28:47,458 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-04-30 10:28:47,458 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-04-30 10:28:47,461 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-04-30 10:28:47,461 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.04 10:28:47" (1/1) ... [2025-04-30 10:28:47,462 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@506f443 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.04 10:28:47, skipping insertion in model container [2025-04-30 10:28:47,462 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.04 10:28:47" (1/1) ... [2025-04-30 10:28:47,487 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-04-30 10:28:47,752 INFO L211 PostProcessor]: Analyzing one entry point: main [2025-04-30 10:28:47,770 INFO L200 MainTranslator]: Completed pre-run [2025-04-30 10:28:47,811 INFO L211 PostProcessor]: Analyzing one entry point: main [2025-04-30 10:28:47,836 INFO L204 MainTranslator]: Completed translation [2025-04-30 10:28:47,836 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.04 10:28:47 WrapperNode [2025-04-30 10:28:47,836 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-04-30 10:28:47,837 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-04-30 10:28:47,837 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-04-30 10:28:47,837 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-04-30 10:28:47,841 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.04 10:28:47" (1/1) ... [2025-04-30 10:28:47,856 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.04 10:28:47" (1/1) ... [2025-04-30 10:28:47,873 INFO L138 Inliner]: procedures = 162, calls = 33, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 61 [2025-04-30 10:28:47,874 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-04-30 10:28:47,874 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-04-30 10:28:47,874 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-04-30 10:28:47,874 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-04-30 10:28:47,878 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.04 10:28:47" (1/1) ... [2025-04-30 10:28:47,878 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.04 10:28:47" (1/1) ... [2025-04-30 10:28:47,880 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.04 10:28:47" (1/1) ... [2025-04-30 10:28:47,880 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.04 10:28:47" (1/1) ... [2025-04-30 10:28:47,884 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.04 10:28:47" (1/1) ... [2025-04-30 10:28:47,885 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.04 10:28:47" (1/1) ... [2025-04-30 10:28:47,890 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.04 10:28:47" (1/1) ... [2025-04-30 10:28:47,891 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.04 10:28:47" (1/1) ... [2025-04-30 10:28:47,891 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.04 10:28:47" (1/1) ... [2025-04-30 10:28:47,897 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-04-30 10:28:47,898 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-04-30 10:28:47,898 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-04-30 10:28:47,898 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-04-30 10:28:47,899 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.04 10:28:47" (1/1) ... [2025-04-30 10:28:47,902 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-04-30 10:28:47,909 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-30 10:28:47,918 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-04-30 10:28:47,919 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-04-30 10:28:47,934 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2025-04-30 10:28:47,934 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-04-30 10:28:47,934 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2025-04-30 10:28:47,934 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2025-04-30 10:28:47,934 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2025-04-30 10:28:47,934 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2025-04-30 10:28:47,934 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-04-30 10:28:47,934 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-04-30 10:28:47,937 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2025-04-30 10:28:48,016 INFO L234 CfgBuilder]: Building ICFG [2025-04-30 10:28:48,018 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-04-30 10:28:48,169 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-04-30 10:28:48,169 INFO L283 CfgBuilder]: Performing block encoding [2025-04-30 10:28:48,200 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-04-30 10:28:48,200 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2025-04-30 10:28:48,201 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.04 10:28:48 BoogieIcfgContainer [2025-04-30 10:28:48,201 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-04-30 10:28:48,202 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-04-30 10:28:48,202 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-04-30 10:28:48,205 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-04-30 10:28:48,206 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.04 10:28:47" (1/3) ... [2025-04-30 10:28:48,206 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@585b3ed3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.04 10:28:48, skipping insertion in model container [2025-04-30 10:28:48,207 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.04 10:28:47" (2/3) ... [2025-04-30 10:28:48,207 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@585b3ed3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.04 10:28:48, skipping insertion in model container [2025-04-30 10:28:48,207 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.04 10:28:48" (3/3) ... [2025-04-30 10:28:48,208 INFO L128 eAbstractionObserver]: Analyzing ICFG 13-privatized_31-traces-mine-vs-mutex_true.i [2025-04-30 10:28:48,217 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-04-30 10:28:48,219 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG 13-privatized_31-traces-mine-vs-mutex_true.i that has 2 procedures, 100 locations, 100 edges, 1 initial locations, 0 loop locations, and 5 error locations. [2025-04-30 10:28:48,219 INFO L490 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-04-30 10:28:48,258 INFO L143 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2025-04-30 10:28:48,287 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 103 places, 101 transitions, 209 flow [2025-04-30 10:28:48,338 INFO L116 PetriNetUnfolderBase]: 2/100 cut-off events. [2025-04-30 10:28:48,339 INFO L117 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2025-04-30 10:28:48,342 INFO L83 FinitePrefix]: Finished finitePrefix Result has 105 conditions, 100 events. 2/100 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 82 event pairs, 0 based on Foata normal form. 0/93 useless extension candidates. Maximal degree in co-relation 67. Up to 2 conditions per place. [2025-04-30 10:28:48,343 INFO L82 GeneralOperation]: Start removeDead. Operand has 103 places, 101 transitions, 209 flow [2025-04-30 10:28:48,345 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 97 places, 95 transitions, 193 flow [2025-04-30 10:28:48,356 INFO L339 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-04-30 10:28:48,368 INFO L340 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;@5ee306a1, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-04-30 10:28:48,368 INFO L341 AbstractCegarLoop]: Starting to check reachability of 10 error locations. [2025-04-30 10:28:48,383 INFO L177 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2025-04-30 10:28:48,385 INFO L116 PetriNetUnfolderBase]: 0/40 cut-off events. [2025-04-30 10:28:48,385 INFO L117 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-04-30 10:28:48,385 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-04-30 10:28:48,389 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-04-30 10:28:48,389 INFO L403 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONDATA_RACE (and 7 more)] === [2025-04-30 10:28:48,393 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-30 10:28:48,394 INFO L85 PathProgramCache]: Analyzing trace with hash -1844616693, now seen corresponding path program 1 times [2025-04-30 10:28:48,400 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-30 10:28:48,401 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2125197449] [2025-04-30 10:28:48,401 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-30 10:28:48,402 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-30 10:28:48,477 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 35 statements into 1 equivalence classes. [2025-04-30 10:28:48,496 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 35 of 35 statements. [2025-04-30 10:28:48,496 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-30 10:28:48,496 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-30 10:28:48,584 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-30 10:28:48,585 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-30 10:28:48,585 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2125197449] [2025-04-30 10:28:48,585 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2125197449] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-30 10:28:48,585 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-30 10:28:48,586 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-04-30 10:28:48,590 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1873032855] [2025-04-30 10:28:48,590 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-30 10:28:48,594 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-04-30 10:28:48,597 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-30 10:28:48,611 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-04-30 10:28:48,611 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-04-30 10:28:48,655 INFO L464 CegarLoopForPetriNet]: Number of universal loopers: 73 out of 101 [2025-04-30 10:28:48,657 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 97 places, 95 transitions, 193 flow. Second operand has 3 states, 3 states have (on average 74.66666666666667) internal successors, (224), 3 states have internal predecessors, (224), 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) [2025-04-30 10:28:48,657 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-04-30 10:28:48,658 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 73 of 101 [2025-04-30 10:28:48,658 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-04-30 10:28:48,818 INFO L116 PetriNetUnfolderBase]: 115/600 cut-off events. [2025-04-30 10:28:48,818 INFO L117 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2025-04-30 10:28:48,820 INFO L83 FinitePrefix]: Finished finitePrefix Result has 869 conditions, 600 events. 115/600 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 3347 event pairs, 46 based on Foata normal form. 34/590 useless extension candidates. Maximal degree in co-relation 835. Up to 140 conditions per place. [2025-04-30 10:28:48,823 INFO L140 encePairwiseOnDemand]: 90/101 looper letters, 30 selfloop transitions, 6 changer transitions 2/105 dead transitions. [2025-04-30 10:28:48,824 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 95 places, 105 transitions, 289 flow [2025-04-30 10:28:48,825 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-30 10:28:48,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-04-30 10:28:48,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 264 transitions. [2025-04-30 10:28:48,835 INFO L509 CegarLoopForPetriNet]: DFA transition density 0.8712871287128713 [2025-04-30 10:28:48,836 INFO L175 Difference]: Start difference. First operand has 97 places, 95 transitions, 193 flow. Second operand 3 states and 264 transitions. [2025-04-30 10:28:48,837 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 95 places, 105 transitions, 289 flow [2025-04-30 10:28:48,840 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 94 places, 105 transitions, 288 flow, removed 0 selfloop flow, removed 1 redundant places. [2025-04-30 10:28:48,844 INFO L231 Difference]: Finished difference. Result has 96 places, 93 transitions, 222 flow [2025-04-30 10:28:48,845 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=101, PETRI_DIFFERENCE_MINUEND_FLOW=180, PETRI_DIFFERENCE_MINUEND_PLACES=92, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=89, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=83, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=222, PETRI_PLACES=96, PETRI_TRANSITIONS=93} [2025-04-30 10:28:48,848 INFO L279 CegarLoopForPetriNet]: 97 programPoint places, -1 predicate places. [2025-04-30 10:28:48,849 INFO L485 AbstractCegarLoop]: Abstraction has has 96 places, 93 transitions, 222 flow [2025-04-30 10:28:48,850 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 74.66666666666667) internal successors, (224), 3 states have internal predecessors, (224), 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) [2025-04-30 10:28:48,850 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-04-30 10:28:48,850 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] [2025-04-30 10:28:48,850 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-04-30 10:28:48,851 INFO L403 AbstractCegarLoop]: === Iteration 2 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONDATA_RACE (and 7 more)] === [2025-04-30 10:28:48,851 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-30 10:28:48,851 INFO L85 PathProgramCache]: Analyzing trace with hash 212496385, now seen corresponding path program 1 times [2025-04-30 10:28:48,851 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-30 10:28:48,852 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2106743697] [2025-04-30 10:28:48,852 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-30 10:28:48,852 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-30 10:28:48,864 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 40 statements into 1 equivalence classes. [2025-04-30 10:28:48,878 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 40 of 40 statements. [2025-04-30 10:28:48,878 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-30 10:28:48,878 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-30 10:28:48,909 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-30 10:28:48,909 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-30 10:28:48,909 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2106743697] [2025-04-30 10:28:48,909 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2106743697] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-30 10:28:48,909 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-30 10:28:48,909 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-04-30 10:28:48,909 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1615619700] [2025-04-30 10:28:48,909 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-30 10:28:48,913 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-04-30 10:28:48,913 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-30 10:28:48,913 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-04-30 10:28:48,913 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-04-30 10:28:48,939 INFO L464 CegarLoopForPetriNet]: Number of universal loopers: 75 out of 101 [2025-04-30 10:28:48,940 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 96 places, 93 transitions, 222 flow. Second operand has 3 states, 3 states have (on average 77.33333333333333) internal successors, (232), 3 states have internal predecessors, (232), 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) [2025-04-30 10:28:48,940 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-04-30 10:28:48,940 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 75 of 101 [2025-04-30 10:28:48,940 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-04-30 10:28:49,028 INFO L116 PetriNetUnfolderBase]: 120/614 cut-off events. [2025-04-30 10:28:49,028 INFO L117 PetriNetUnfolderBase]: For 127/127 co-relation queries the response was YES. [2025-04-30 10:28:49,029 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1010 conditions, 614 events. 120/614 cut-off events. For 127/127 co-relation queries the response was YES. Maximal size of possible extension queue 30. Compared 3486 event pairs, 84 based on Foata normal form. 0/570 useless extension candidates. Maximal degree in co-relation 975. Up to 233 conditions per place. [2025-04-30 10:28:49,031 INFO L140 encePairwiseOnDemand]: 96/101 looper letters, 30 selfloop transitions, 4 changer transitions 0/102 dead transitions. [2025-04-30 10:28:49,031 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 98 places, 102 transitions, 312 flow [2025-04-30 10:28:49,031 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-30 10:28:49,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-04-30 10:28:49,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 257 transitions. [2025-04-30 10:28:49,032 INFO L509 CegarLoopForPetriNet]: DFA transition density 0.8481848184818482 [2025-04-30 10:28:49,032 INFO L175 Difference]: Start difference. First operand has 96 places, 93 transitions, 222 flow. Second operand 3 states and 257 transitions. [2025-04-30 10:28:49,032 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 98 places, 102 transitions, 312 flow [2025-04-30 10:28:49,033 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 96 places, 102 transitions, 298 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-04-30 10:28:49,034 INFO L231 Difference]: Finished difference. Result has 98 places, 96 transitions, 242 flow [2025-04-30 10:28:49,035 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=101, PETRI_DIFFERENCE_MINUEND_FLOW=210, PETRI_DIFFERENCE_MINUEND_PLACES=94, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=93, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=89, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=242, PETRI_PLACES=98, PETRI_TRANSITIONS=96} [2025-04-30 10:28:49,035 INFO L279 CegarLoopForPetriNet]: 97 programPoint places, 1 predicate places. [2025-04-30 10:28:49,035 INFO L485 AbstractCegarLoop]: Abstraction has has 98 places, 96 transitions, 242 flow [2025-04-30 10:28:49,035 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 77.33333333333333) internal successors, (232), 3 states have internal predecessors, (232), 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) [2025-04-30 10:28:49,036 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-04-30 10:28:49,036 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-04-30 10:28:49,036 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-04-30 10:28:49,036 INFO L403 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONDATA_RACE (and 7 more)] === [2025-04-30 10:28:49,036 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-30 10:28:49,036 INFO L85 PathProgramCache]: Analyzing trace with hash -260813800, now seen corresponding path program 1 times [2025-04-30 10:28:49,037 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-30 10:28:49,037 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1460896102] [2025-04-30 10:28:49,037 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-30 10:28:49,037 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-30 10:28:49,046 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 51 statements into 1 equivalence classes. [2025-04-30 10:28:49,055 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 51 of 51 statements. [2025-04-30 10:28:49,055 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-30 10:28:49,056 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-30 10:28:49,303 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-30 10:28:49,303 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-30 10:28:49,303 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1460896102] [2025-04-30 10:28:49,303 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1460896102] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-30 10:28:49,303 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-30 10:28:49,303 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-04-30 10:28:49,303 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [991195781] [2025-04-30 10:28:49,303 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-30 10:28:49,303 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-04-30 10:28:49,303 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-30 10:28:49,304 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-04-30 10:28:49,304 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2025-04-30 10:28:49,356 INFO L464 CegarLoopForPetriNet]: Number of universal loopers: 82 out of 101 [2025-04-30 10:28:49,357 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 98 places, 96 transitions, 242 flow. Second operand has 5 states, 5 states have (on average 83.8) internal successors, (419), 5 states have internal predecessors, (419), 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) [2025-04-30 10:28:49,357 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-04-30 10:28:49,357 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 82 of 101 [2025-04-30 10:28:49,357 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-04-30 10:28:49,416 INFO L116 PetriNetUnfolderBase]: 12/177 cut-off events. [2025-04-30 10:28:49,416 INFO L117 PetriNetUnfolderBase]: For 10/10 co-relation queries the response was YES. [2025-04-30 10:28:49,418 INFO L83 FinitePrefix]: Finished finitePrefix Result has 257 conditions, 177 events. 12/177 cut-off events. For 10/10 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 331 event pairs, 8 based on Foata normal form. 8/177 useless extension candidates. Maximal degree in co-relation 219. Up to 36 conditions per place. [2025-04-30 10:28:49,418 INFO L140 encePairwiseOnDemand]: 95/101 looper letters, 10 selfloop transitions, 5 changer transitions 12/90 dead transitions. [2025-04-30 10:28:49,418 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 100 places, 90 transitions, 242 flow [2025-04-30 10:28:49,419 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-30 10:28:49,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2025-04-30 10:28:49,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 429 transitions. [2025-04-30 10:28:49,421 INFO L509 CegarLoopForPetriNet]: DFA transition density 0.8495049504950495 [2025-04-30 10:28:49,421 INFO L175 Difference]: Start difference. First operand has 98 places, 96 transitions, 242 flow. Second operand 5 states and 429 transitions. [2025-04-30 10:28:49,421 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 100 places, 90 transitions, 242 flow [2025-04-30 10:28:49,422 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 96 places, 90 transitions, 228 flow, removed 3 selfloop flow, removed 4 redundant places. [2025-04-30 10:28:49,425 INFO L231 Difference]: Finished difference. Result has 96 places, 76 transitions, 176 flow [2025-04-30 10:28:49,425 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=101, PETRI_DIFFERENCE_MINUEND_FLOW=190, PETRI_DIFFERENCE_MINUEND_PLACES=92, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=88, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=83, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=176, PETRI_PLACES=96, PETRI_TRANSITIONS=76} [2025-04-30 10:28:49,426 INFO L279 CegarLoopForPetriNet]: 97 programPoint places, -1 predicate places. [2025-04-30 10:28:49,426 INFO L485 AbstractCegarLoop]: Abstraction has has 96 places, 76 transitions, 176 flow [2025-04-30 10:28:49,426 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 83.8) internal successors, (419), 5 states have internal predecessors, (419), 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) [2025-04-30 10:28:49,426 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-04-30 10:28:49,427 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-04-30 10:28:49,427 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-04-30 10:28:49,427 INFO L403 AbstractCegarLoop]: === Iteration 4 === Targeting t_funErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONDATA_RACE (and 7 more)] === [2025-04-30 10:28:49,427 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-30 10:28:49,427 INFO L85 PathProgramCache]: Analyzing trace with hash -582478667, now seen corresponding path program 1 times [2025-04-30 10:28:49,427 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-30 10:28:49,427 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [584975136] [2025-04-30 10:28:49,427 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-30 10:28:49,428 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-30 10:28:49,442 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 53 statements into 1 equivalence classes. [2025-04-30 10:28:49,447 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 53 of 53 statements. [2025-04-30 10:28:49,447 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-30 10:28:49,447 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-30 10:28:49,466 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-30 10:28:49,466 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-30 10:28:49,466 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [584975136] [2025-04-30 10:28:49,466 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [584975136] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-30 10:28:49,466 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-30 10:28:49,466 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-04-30 10:28:49,466 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [380565423] [2025-04-30 10:28:49,466 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-30 10:28:49,466 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-04-30 10:28:49,466 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-30 10:28:49,467 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-04-30 10:28:49,467 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-04-30 10:28:49,482 INFO L464 CegarLoopForPetriNet]: Number of universal loopers: 75 out of 101 [2025-04-30 10:28:49,482 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 96 places, 76 transitions, 176 flow. Second operand has 3 states, 3 states have (on average 78.66666666666667) internal successors, (236), 3 states have internal predecessors, (236), 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) [2025-04-30 10:28:49,482 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-04-30 10:28:49,482 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 75 of 101 [2025-04-30 10:28:49,482 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-04-30 10:28:49,504 INFO L116 PetriNetUnfolderBase]: 18/161 cut-off events. [2025-04-30 10:28:49,504 INFO L117 PetriNetUnfolderBase]: For 18/18 co-relation queries the response was YES. [2025-04-30 10:28:49,505 INFO L83 FinitePrefix]: Finished finitePrefix Result has 254 conditions, 161 events. 18/161 cut-off events. For 18/18 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 360 event pairs, 16 based on Foata normal form. 4/164 useless extension candidates. Maximal degree in co-relation 217. Up to 57 conditions per place. [2025-04-30 10:28:49,505 INFO L140 encePairwiseOnDemand]: 99/101 looper letters, 0 selfloop transitions, 0 changer transitions 77/77 dead transitions. [2025-04-30 10:28:49,505 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 85 places, 77 transitions, 218 flow [2025-04-30 10:28:49,505 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-30 10:28:49,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-04-30 10:28:49,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 245 transitions. [2025-04-30 10:28:49,506 INFO L509 CegarLoopForPetriNet]: DFA transition density 0.8085808580858086 [2025-04-30 10:28:49,506 INFO L175 Difference]: Start difference. First operand has 96 places, 76 transitions, 176 flow. Second operand 3 states and 245 transitions. [2025-04-30 10:28:49,506 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 85 places, 77 transitions, 218 flow [2025-04-30 10:28:49,506 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 82 places, 77 transitions, 212 flow, removed 0 selfloop flow, removed 3 redundant places. [2025-04-30 10:28:49,507 INFO L231 Difference]: Finished difference. Result has 82 places, 0 transitions, 0 flow [2025-04-30 10:28:49,507 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=101, PETRI_DIFFERENCE_MINUEND_FLOW=168, PETRI_DIFFERENCE_MINUEND_PLACES=80, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=75, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=75, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=82, PETRI_TRANSITIONS=0} [2025-04-30 10:28:49,507 INFO L279 CegarLoopForPetriNet]: 97 programPoint places, -15 predicate places. [2025-04-30 10:28:49,507 INFO L485 AbstractCegarLoop]: Abstraction has has 82 places, 0 transitions, 0 flow [2025-04-30 10:28:49,507 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 78.66666666666667) internal successors, (236), 3 states have internal predecessors, (236), 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) [2025-04-30 10:28:49,509 INFO L790 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (9 of 10 remaining) [2025-04-30 10:28:49,509 INFO L790 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (8 of 10 remaining) [2025-04-30 10:28:49,509 INFO L790 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (7 of 10 remaining) [2025-04-30 10:28:49,509 INFO L790 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (6 of 10 remaining) [2025-04-30 10:28:49,509 INFO L790 garLoopResultBuilder]: Registering result SAFE for location t_funErr2ASSERT_VIOLATIONDATA_RACE (5 of 10 remaining) [2025-04-30 10:28:49,509 INFO L790 garLoopResultBuilder]: Registering result SAFE for location t_funErr3ASSERT_VIOLATIONDATA_RACE (4 of 10 remaining) [2025-04-30 10:28:49,509 INFO L790 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (3 of 10 remaining) [2025-04-30 10:28:49,509 INFO L790 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (2 of 10 remaining) [2025-04-30 10:28:49,509 INFO L790 garLoopResultBuilder]: Registering result SAFE for location t_funErr2ASSERT_VIOLATIONDATA_RACE (1 of 10 remaining) [2025-04-30 10:28:49,510 INFO L790 garLoopResultBuilder]: Registering result SAFE for location t_funErr3ASSERT_VIOLATIONDATA_RACE (0 of 10 remaining) [2025-04-30 10:28:49,510 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-04-30 10:28:49,510 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2025-04-30 10:28:49,513 INFO L242 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2025-04-30 10:28:49,513 INFO L171 ceAbstractionStarter]: Computing trace abstraction results [2025-04-30 10:28:49,516 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 30.04 10:28:49 BasicIcfg [2025-04-30 10:28:49,516 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-04-30 10:28:49,516 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-04-30 10:28:49,516 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-04-30 10:28:49,516 INFO L274 PluginConnector]: Witness Printer initialized [2025-04-30 10:28:49,517 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.04 10:28:48" (3/4) ... [2025-04-30 10:28:49,517 INFO L146 WitnessPrinter]: Generating witness for correct program [2025-04-30 10:28:49,519 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure t_fun [2025-04-30 10:28:49,521 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2025-04-30 10:28:49,521 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2025-04-30 10:28:49,521 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2025-04-30 10:28:49,521 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2025-04-30 10:28:49,566 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-04-30 10:28:49,567 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2025-04-30 10:28:49,567 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-04-30 10:28:49,567 INFO L158 Benchmark]: Toolchain (without parser) took 2110.16ms. Allocated memory is still 142.6MB. Free memory was 106.0MB in the beginning and 51.3MB in the end (delta: 54.7MB). Peak memory consumption was 53.2MB. Max. memory is 16.1GB. [2025-04-30 10:28:49,567 INFO L158 Benchmark]: CDTParser took 0.76ms. Allocated memory is still 201.3MB. Free memory is still 115.5MB. There was no memory consumed. Max. memory is 16.1GB. [2025-04-30 10:28:49,568 INFO L158 Benchmark]: CACSL2BoogieTranslator took 378.61ms. Allocated memory is still 142.6MB. Free memory was 106.0MB in the beginning and 83.1MB in the end (delta: 23.0MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2025-04-30 10:28:49,568 INFO L158 Benchmark]: Boogie Procedure Inliner took 36.95ms. Allocated memory is still 142.6MB. Free memory was 83.1MB in the beginning and 81.2MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. [2025-04-30 10:28:49,568 INFO L158 Benchmark]: Boogie Preprocessor took 23.22ms. Allocated memory is still 142.6MB. Free memory was 81.2MB in the beginning and 80.2MB in the end (delta: 949.6kB). There was no memory consumed. Max. memory is 16.1GB. [2025-04-30 10:28:49,568 INFO L158 Benchmark]: RCFGBuilder took 302.83ms. Allocated memory is still 142.6MB. Free memory was 80.2MB in the beginning and 63.4MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-04-30 10:28:49,568 INFO L158 Benchmark]: TraceAbstraction took 1313.55ms. Allocated memory is still 142.6MB. Free memory was 62.5MB in the beginning and 57.2MB in the end (delta: 5.3MB). Peak memory consumption was 2.8MB. Max. memory is 16.1GB. [2025-04-30 10:28:49,568 INFO L158 Benchmark]: Witness Printer took 50.52ms. Allocated memory is still 142.6MB. Free memory was 57.2MB in the beginning and 51.3MB in the end (delta: 5.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-04-30 10:28:49,569 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.76ms. Allocated memory is still 201.3MB. Free memory is still 115.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 378.61ms. Allocated memory is still 142.6MB. Free memory was 106.0MB in the beginning and 83.1MB in the end (delta: 23.0MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 36.95ms. Allocated memory is still 142.6MB. Free memory was 83.1MB in the beginning and 81.2MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 23.22ms. Allocated memory is still 142.6MB. Free memory was 81.2MB in the beginning and 80.2MB in the end (delta: 949.6kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 302.83ms. Allocated memory is still 142.6MB. Free memory was 80.2MB in the beginning and 63.4MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 1313.55ms. Allocated memory is still 142.6MB. Free memory was 62.5MB in the beginning and 57.2MB in the end (delta: 5.3MB). Peak memory consumption was 2.8MB. Max. memory is 16.1GB. * Witness Printer took 50.52ms. Allocated memory is still 142.6MB. Free memory was 57.2MB in the beginning and 51.3MB in the end (delta: 5.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 702]: 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: 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 - 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, 139 locations, 140 edges, 10 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 1.2s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 159 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 80 mSDsluCounter, 20 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 18 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 257 IncrementalHoareTripleChecker+Invalid, 275 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 18 mSolverCounterUnsat, 20 mSDtfsCounter, 257 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 14 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=242occurred 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, 179 NumberOfCodeBlocks, 179 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 175 ConstructedInterpolants, 0 QuantifiedInterpolants, 288 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 5 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2025-04-30 10:28:49,580 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/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