./Ultimate.py --spec ../sv-benchmarks/c/properties/no-data-race.prp --file ../sv-benchmarks/c/goblint-regression/13-privatized_32-traces-mine-vs-oplus-vs-meet_true.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version f8ab0bd5 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 ../sv-benchmarks/c/goblint-regression/13-privatized_32-traces-mine-vs-oplus-vs-meet_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 a233f90faab2ceb8ddfb042463870c03c0794d3cd45b2ba20de731314559cb95 --- Real Ultimate output --- This is Ultimate 0.3.0-?-f8ab0bd-m [2025-03-13 22:19:04,528 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-13 22:19:04,588 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2025-03-13 22:19:04,594 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-13 22:19:04,595 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-13 22:19:04,616 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-13 22:19:04,617 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-13 22:19:04,618 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-13 22:19:04,618 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-13 22:19:04,618 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-13 22:19:04,619 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-13 22:19:04,619 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-13 22:19:04,619 INFO L153 SettingsManager]: * Use SBE=true [2025-03-13 22:19:04,619 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-13 22:19:04,620 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-13 22:19:04,620 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-13 22:19:04,620 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-13 22:19:04,620 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-13 22:19:04,620 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-13 22:19:04,620 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-13 22:19:04,620 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-13 22:19:04,621 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-13 22:19:04,621 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2025-03-13 22:19:04,621 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-03-13 22:19:04,621 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-13 22:19:04,621 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-13 22:19:04,621 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-13 22:19:04,621 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-13 22:19:04,621 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-13 22:19:04,621 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-13 22:19:04,621 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-13 22:19:04,621 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-13 22:19:04,621 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-13 22:19:04,622 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-13 22:19:04,622 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-13 22:19:04,622 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-13 22:19:04,622 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-13 22:19:04,622 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-13 22:19:04,622 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-13 22:19:04,622 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-13 22:19:04,622 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-13 22:19:04,623 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-13 22:19:04,623 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 -> a233f90faab2ceb8ddfb042463870c03c0794d3cd45b2ba20de731314559cb95 [2025-03-13 22:19:04,851 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-13 22:19:04,857 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-13 22:19:04,859 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-13 22:19:04,860 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-13 22:19:04,860 INFO L274 PluginConnector]: CDTParser initialized [2025-03-13 22:19:04,861 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/goblint-regression/13-privatized_32-traces-mine-vs-oplus-vs-meet_true.i [2025-03-13 22:19:05,995 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/806361f78/b258f4e0c31242708b055efb8003e28a/FLAGdcd617c6f [2025-03-13 22:19:06,237 INFO L384 CDTParser]: Found 1 translation units. [2025-03-13 22:19:06,238 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/goblint-regression/13-privatized_32-traces-mine-vs-oplus-vs-meet_true.i [2025-03-13 22:19:06,247 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/806361f78/b258f4e0c31242708b055efb8003e28a/FLAGdcd617c6f [2025-03-13 22:19:06,555 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/806361f78/b258f4e0c31242708b055efb8003e28a [2025-03-13 22:19:06,557 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-13 22:19:06,558 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-13 22:19:06,559 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-13 22:19:06,559 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-13 22:19:06,562 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-13 22:19:06,563 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.03 10:19:06" (1/1) ... [2025-03-13 22:19:06,563 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@a28dced and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.03 10:19:06, skipping insertion in model container [2025-03-13 22:19:06,563 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.03 10:19:06" (1/1) ... [2025-03-13 22:19:06,584 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-13 22:19:06,821 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-13 22:19:06,841 INFO L200 MainTranslator]: Completed pre-run [2025-03-13 22:19:06,868 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-13 22:19:06,889 INFO L204 MainTranslator]: Completed translation [2025-03-13 22:19:06,889 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.03 10:19:06 WrapperNode [2025-03-13 22:19:06,889 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-13 22:19:06,890 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-13 22:19:06,890 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-13 22:19:06,890 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-13 22:19:06,894 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.03 10:19:06" (1/1) ... [2025-03-13 22:19:06,901 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.03 10:19:06" (1/1) ... [2025-03-13 22:19:06,912 INFO L138 Inliner]: procedures = 162, calls = 44, calls flagged for inlining = 5, calls inlined = 6, statements flattened = 84 [2025-03-13 22:19:06,912 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-13 22:19:06,913 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-13 22:19:06,913 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-13 22:19:06,913 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-13 22:19:06,917 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.03 10:19:06" (1/1) ... [2025-03-13 22:19:06,917 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.03 10:19:06" (1/1) ... [2025-03-13 22:19:06,919 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.03 10:19:06" (1/1) ... [2025-03-13 22:19:06,919 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.03 10:19:06" (1/1) ... [2025-03-13 22:19:06,922 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.03 10:19:06" (1/1) ... [2025-03-13 22:19:06,923 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.03 10:19:06" (1/1) ... [2025-03-13 22:19:06,924 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.03 10:19:06" (1/1) ... [2025-03-13 22:19:06,929 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.03 10:19:06" (1/1) ... [2025-03-13 22:19:06,931 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-13 22:19:06,931 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-13 22:19:06,932 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-13 22:19:06,932 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-13 22:19:06,936 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.03 10:19:06" (1/1) ... [2025-03-13 22:19:06,941 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-13 22:19:06,953 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-13 22:19:06,969 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) [2025-03-13 22:19:06,971 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 [2025-03-13 22:19:06,990 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2025-03-13 22:19:06,990 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-13 22:19:06,990 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2025-03-13 22:19:06,990 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2025-03-13 22:19:06,990 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2025-03-13 22:19:06,990 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2025-03-13 22:19:06,991 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-13 22:19:06,991 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-13 22:19:06,993 WARN L225 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2025-03-13 22:19:07,097 INFO L256 CfgBuilder]: Building ICFG [2025-03-13 22:19:07,099 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-13 22:19:07,303 INFO L303 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-03-13 22:19:07,304 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-13 22:19:07,304 INFO L318 CfgBuilder]: Performing block encoding [2025-03-13 22:19:07,331 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-13 22:19:07,331 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 13.03 10:19:07 BoogieIcfgContainer [2025-03-13 22:19:07,331 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-13 22:19:07,333 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-13 22:19:07,336 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-13 22:19:07,339 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-13 22:19:07,340 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.03 10:19:06" (1/3) ... [2025-03-13 22:19:07,340 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@266fd3eb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.03 10:19:07, skipping insertion in model container [2025-03-13 22:19:07,340 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.03 10:19:06" (2/3) ... [2025-03-13 22:19:07,341 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@266fd3eb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.03 10:19:07, skipping insertion in model container [2025-03-13 22:19:07,341 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 13.03 10:19:07" (3/3) ... [2025-03-13 22:19:07,342 INFO L128 eAbstractionObserver]: Analyzing ICFG 13-privatized_32-traces-mine-vs-oplus-vs-meet_true.i [2025-03-13 22:19:07,352 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-13 22:19:07,353 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG 13-privatized_32-traces-mine-vs-oplus-vs-meet_true.i that has 2 procedures, 119 locations, 1 initial locations, 0 loop locations, and 4 error locations. [2025-03-13 22:19:07,354 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-03-13 22:19:07,405 INFO L143 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2025-03-13 22:19:07,437 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 122 places, 122 transitions, 251 flow [2025-03-13 22:19:07,489 INFO L124 PetriNetUnfolderBase]: 4/121 cut-off events. [2025-03-13 22:19:07,490 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2025-03-13 22:19:07,493 INFO L83 FinitePrefix]: Finished finitePrefix Result has 126 conditions, 121 events. 4/121 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 113 event pairs, 0 based on Foata normal form. 0/113 useless extension candidates. Maximal degree in co-relation 81. Up to 2 conditions per place. [2025-03-13 22:19:07,494 INFO L82 GeneralOperation]: Start removeDead. Operand has 122 places, 122 transitions, 251 flow [2025-03-13 22:19:07,499 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 116 places, 116 transitions, 235 flow [2025-03-13 22:19:07,506 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-13 22:19:07,514 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;@70e8eca9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-13 22:19:07,515 INFO L334 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2025-03-13 22:19:07,532 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2025-03-13 22:19:07,532 INFO L124 PetriNetUnfolderBase]: 0/50 cut-off events. [2025-03-13 22:19:07,533 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-03-13 22:19:07,533 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-13 22:19:07,534 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] [2025-03-13 22:19:07,535 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2025-03-13 22:19:07,539 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-13 22:19:07,540 INFO L85 PathProgramCache]: Analyzing trace with hash -1513596323, now seen corresponding path program 1 times [2025-03-13 22:19:07,546 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-13 22:19:07,547 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1764592589] [2025-03-13 22:19:07,547 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-13 22:19:07,549 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-13 22:19:07,619 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 43 statements into 1 equivalence classes. [2025-03-13 22:19:07,636 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 43 of 43 statements. [2025-03-13 22:19:07,637 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-13 22:19:07,637 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-13 22:19:07,763 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-13 22:19:07,767 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-13 22:19:07,767 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1764592589] [2025-03-13 22:19:07,770 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1764592589] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-13 22:19:07,770 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-13 22:19:07,771 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-13 22:19:07,772 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1434705824] [2025-03-13 22:19:07,772 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-13 22:19:07,776 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-13 22:19:07,780 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-13 22:19:07,811 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-13 22:19:07,812 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-13 22:19:07,834 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 90 out of 122 [2025-03-13 22:19:07,837 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 116 places, 116 transitions, 235 flow. Second operand has 3 states, 3 states have (on average 91.66666666666667) internal successors, (275), 3 states have internal predecessors, (275), 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) [2025-03-13 22:19:07,838 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-13 22:19:07,838 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 90 of 122 [2025-03-13 22:19:07,839 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-13 22:19:08,042 INFO L124 PetriNetUnfolderBase]: 185/925 cut-off events. [2025-03-13 22:19:08,042 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2025-03-13 22:19:08,046 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1342 conditions, 925 events. 185/925 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 38. Compared 5896 event pairs, 30 based on Foata normal form. 72/924 useless extension candidates. Maximal degree in co-relation 1301. Up to 211 conditions per place. [2025-03-13 22:19:08,051 INFO L140 encePairwiseOnDemand]: 110/122 looper letters, 35 selfloop transitions, 6 changer transitions 3/127 dead transitions. [2025-03-13 22:19:08,052 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 114 places, 127 transitions, 345 flow [2025-03-13 22:19:08,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-13 22:19:08,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-13 22:19:08,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 324 transitions. [2025-03-13 22:19:08,064 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8852459016393442 [2025-03-13 22:19:08,065 INFO L175 Difference]: Start difference. First operand has 116 places, 116 transitions, 235 flow. Second operand 3 states and 324 transitions. [2025-03-13 22:19:08,066 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 114 places, 127 transitions, 345 flow [2025-03-13 22:19:08,072 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 113 places, 127 transitions, 344 flow, removed 0 selfloop flow, removed 1 redundant places. [2025-03-13 22:19:08,076 INFO L231 Difference]: Finished difference. Result has 115 places, 113 transitions, 266 flow [2025-03-13 22:19:08,078 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=122, PETRI_DIFFERENCE_MINUEND_FLOW=218, PETRI_DIFFERENCE_MINUEND_PLACES=111, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=108, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=102, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=266, PETRI_PLACES=115, PETRI_TRANSITIONS=113} [2025-03-13 22:19:08,081 INFO L279 CegarLoopForPetriNet]: 116 programPoint places, -1 predicate places. [2025-03-13 22:19:08,082 INFO L471 AbstractCegarLoop]: Abstraction has has 115 places, 113 transitions, 266 flow [2025-03-13 22:19:08,083 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 91.66666666666667) internal successors, (275), 3 states have internal predecessors, (275), 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) [2025-03-13 22:19:08,083 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-13 22:19:08,083 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] [2025-03-13 22:19:08,083 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-03-13 22:19:08,084 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2025-03-13 22:19:08,084 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-13 22:19:08,085 INFO L85 PathProgramCache]: Analyzing trace with hash 309526817, now seen corresponding path program 1 times [2025-03-13 22:19:08,085 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-13 22:19:08,085 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [457286172] [2025-03-13 22:19:08,085 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-13 22:19:08,086 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-13 22:19:08,103 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 46 statements into 1 equivalence classes. [2025-03-13 22:19:08,117 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 46 of 46 statements. [2025-03-13 22:19:08,118 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-13 22:19:08,118 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-13 22:19:08,154 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-13 22:19:08,154 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-13 22:19:08,154 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [457286172] [2025-03-13 22:19:08,155 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [457286172] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-13 22:19:08,155 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-13 22:19:08,155 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-13 22:19:08,155 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [262375788] [2025-03-13 22:19:08,155 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-13 22:19:08,156 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-13 22:19:08,156 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-13 22:19:08,156 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-13 22:19:08,156 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-13 22:19:08,174 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 90 out of 122 [2025-03-13 22:19:08,175 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 115 places, 113 transitions, 266 flow. Second operand has 3 states, 3 states have (on average 92.33333333333333) internal successors, (277), 3 states have internal predecessors, (277), 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) [2025-03-13 22:19:08,175 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-13 22:19:08,175 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 90 of 122 [2025-03-13 22:19:08,175 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-13 22:19:08,365 INFO L124 PetriNetUnfolderBase]: 222/997 cut-off events. [2025-03-13 22:19:08,365 INFO L125 PetriNetUnfolderBase]: For 135/135 co-relation queries the response was YES. [2025-03-13 22:19:08,367 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1642 conditions, 997 events. 222/997 cut-off events. For 135/135 co-relation queries the response was YES. Maximal size of possible extension queue 38. Compared 6513 event pairs, 148 based on Foata normal form. 0/918 useless extension candidates. Maximal degree in co-relation 1600. Up to 417 conditions per place. [2025-03-13 22:19:08,373 INFO L140 encePairwiseOnDemand]: 116/122 looper letters, 34 selfloop transitions, 7 changer transitions 0/126 dead transitions. [2025-03-13 22:19:08,375 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 117 places, 126 transitions, 384 flow [2025-03-13 22:19:08,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-13 22:19:08,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-13 22:19:08,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 308 transitions. [2025-03-13 22:19:08,378 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8415300546448088 [2025-03-13 22:19:08,378 INFO L175 Difference]: Start difference. First operand has 115 places, 113 transitions, 266 flow. Second operand 3 states and 308 transitions. [2025-03-13 22:19:08,378 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 117 places, 126 transitions, 384 flow [2025-03-13 22:19:08,380 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 115 places, 126 transitions, 368 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-03-13 22:19:08,383 INFO L231 Difference]: Finished difference. Result has 117 places, 118 transitions, 310 flow [2025-03-13 22:19:08,383 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=122, PETRI_DIFFERENCE_MINUEND_FLOW=254, PETRI_DIFFERENCE_MINUEND_PLACES=113, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=113, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=106, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=310, PETRI_PLACES=117, PETRI_TRANSITIONS=118} [2025-03-13 22:19:08,384 INFO L279 CegarLoopForPetriNet]: 116 programPoint places, 1 predicate places. [2025-03-13 22:19:08,384 INFO L471 AbstractCegarLoop]: Abstraction has has 117 places, 118 transitions, 310 flow [2025-03-13 22:19:08,385 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 92.33333333333333) internal successors, (277), 3 states have internal predecessors, (277), 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) [2025-03-13 22:19:08,385 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-13 22:19:08,385 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] [2025-03-13 22:19:08,385 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-03-13 22:19:08,385 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2025-03-13 22:19:08,386 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-13 22:19:08,386 INFO L85 PathProgramCache]: Analyzing trace with hash -44385114, now seen corresponding path program 1 times [2025-03-13 22:19:08,386 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-13 22:19:08,386 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1586971007] [2025-03-13 22:19:08,386 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-13 22:19:08,387 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-13 22:19:08,405 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 53 statements into 1 equivalence classes. [2025-03-13 22:19:08,426 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 53 of 53 statements. [2025-03-13 22:19:08,427 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-13 22:19:08,427 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-13 22:19:08,649 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-13 22:19:08,650 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-13 22:19:08,650 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1586971007] [2025-03-13 22:19:08,650 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1586971007] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-13 22:19:08,650 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-13 22:19:08,650 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2025-03-13 22:19:08,651 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1668523671] [2025-03-13 22:19:08,651 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-13 22:19:08,651 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-13 22:19:08,652 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-13 22:19:08,652 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-13 22:19:08,653 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2025-03-13 22:19:08,714 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 96 out of 122 [2025-03-13 22:19:08,715 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 117 places, 118 transitions, 310 flow. Second operand has 6 states, 6 states have (on average 97.33333333333333) internal successors, (584), 6 states have internal predecessors, (584), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-13 22:19:08,716 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-13 22:19:08,716 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 96 of 122 [2025-03-13 22:19:08,716 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-13 22:19:08,884 INFO L124 PetriNetUnfolderBase]: 125/892 cut-off events. [2025-03-13 22:19:08,884 INFO L125 PetriNetUnfolderBase]: For 66/73 co-relation queries the response was YES. [2025-03-13 22:19:08,886 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1351 conditions, 892 events. 125/892 cut-off events. For 66/73 co-relation queries the response was YES. Maximal size of possible extension queue 49. Compared 6115 event pairs, 61 based on Foata normal form. 4/843 useless extension candidates. Maximal degree in co-relation 1306. Up to 230 conditions per place. [2025-03-13 22:19:08,889 INFO L140 encePairwiseOnDemand]: 112/122 looper letters, 22 selfloop transitions, 9 changer transitions 2/130 dead transitions. [2025-03-13 22:19:08,889 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 121 places, 130 transitions, 388 flow [2025-03-13 22:19:08,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-13 22:19:08,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2025-03-13 22:19:08,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 515 transitions. [2025-03-13 22:19:08,891 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8442622950819673 [2025-03-13 22:19:08,891 INFO L175 Difference]: Start difference. First operand has 117 places, 118 transitions, 310 flow. Second operand 5 states and 515 transitions. [2025-03-13 22:19:08,891 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 121 places, 130 transitions, 388 flow [2025-03-13 22:19:08,893 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 119 places, 130 transitions, 376 flow, removed 1 selfloop flow, removed 2 redundant places. [2025-03-13 22:19:08,895 INFO L231 Difference]: Finished difference. Result has 120 places, 121 transitions, 329 flow [2025-03-13 22:19:08,895 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=122, PETRI_DIFFERENCE_MINUEND_FLOW=282, PETRI_DIFFERENCE_MINUEND_PLACES=115, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=116, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=107, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=329, PETRI_PLACES=120, PETRI_TRANSITIONS=121} [2025-03-13 22:19:08,895 INFO L279 CegarLoopForPetriNet]: 116 programPoint places, 4 predicate places. [2025-03-13 22:19:08,895 INFO L471 AbstractCegarLoop]: Abstraction has has 120 places, 121 transitions, 329 flow [2025-03-13 22:19:08,896 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 97.33333333333333) internal successors, (584), 6 states have internal predecessors, (584), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-13 22:19:08,896 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-13 22:19:08,896 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-13 22:19:08,896 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-03-13 22:19:08,896 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2025-03-13 22:19:08,897 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-13 22:19:08,897 INFO L85 PathProgramCache]: Analyzing trace with hash -120369884, now seen corresponding path program 1 times [2025-03-13 22:19:08,897 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-13 22:19:08,897 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1380881128] [2025-03-13 22:19:08,897 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-13 22:19:08,897 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-13 22:19:08,908 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 55 statements into 1 equivalence classes. [2025-03-13 22:19:08,917 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 55 of 55 statements. [2025-03-13 22:19:08,918 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-13 22:19:08,918 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-13 22:19:08,959 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-13 22:19:08,960 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-13 22:19:08,960 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1380881128] [2025-03-13 22:19:08,960 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1380881128] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-13 22:19:08,960 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-13 22:19:08,960 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-13 22:19:08,960 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [618757051] [2025-03-13 22:19:08,960 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-13 22:19:08,960 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-13 22:19:08,960 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-13 22:19:08,961 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-13 22:19:08,961 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-13 22:19:08,980 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 90 out of 122 [2025-03-13 22:19:08,981 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 120 places, 121 transitions, 329 flow. Second operand has 3 states, 3 states have (on average 93.33333333333333) internal successors, (280), 3 states have internal predecessors, (280), 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) [2025-03-13 22:19:08,981 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-13 22:19:08,981 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 90 of 122 [2025-03-13 22:19:08,981 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-13 22:19:09,114 INFO L124 PetriNetUnfolderBase]: 238/1158 cut-off events. [2025-03-13 22:19:09,114 INFO L125 PetriNetUnfolderBase]: For 353/415 co-relation queries the response was YES. [2025-03-13 22:19:09,117 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2130 conditions, 1158 events. 238/1158 cut-off events. For 353/415 co-relation queries the response was YES. Maximal size of possible extension queue 63. Compared 8357 event pairs, 135 based on Foata normal form. 2/1081 useless extension candidates. Maximal degree in co-relation 2084. Up to 449 conditions per place. [2025-03-13 22:19:09,119 INFO L140 encePairwiseOnDemand]: 116/122 looper letters, 36 selfloop transitions, 6 changer transitions 5/134 dead transitions. [2025-03-13 22:19:09,119 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 122 places, 134 transitions, 469 flow [2025-03-13 22:19:09,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-13 22:19:09,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-13 22:19:09,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 308 transitions. [2025-03-13 22:19:09,121 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8415300546448088 [2025-03-13 22:19:09,121 INFO L175 Difference]: Start difference. First operand has 120 places, 121 transitions, 329 flow. Second operand 3 states and 308 transitions. [2025-03-13 22:19:09,121 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 122 places, 134 transitions, 469 flow [2025-03-13 22:19:09,124 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 120 places, 134 transitions, 466 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-03-13 22:19:09,126 INFO L231 Difference]: Finished difference. Result has 122 places, 123 transitions, 372 flow [2025-03-13 22:19:09,126 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=122, PETRI_DIFFERENCE_MINUEND_FLOW=326, PETRI_DIFFERENCE_MINUEND_PLACES=118, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=121, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=115, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=372, PETRI_PLACES=122, PETRI_TRANSITIONS=123} [2025-03-13 22:19:09,126 INFO L279 CegarLoopForPetriNet]: 116 programPoint places, 6 predicate places. [2025-03-13 22:19:09,126 INFO L471 AbstractCegarLoop]: Abstraction has has 122 places, 123 transitions, 372 flow [2025-03-13 22:19:09,129 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 93.33333333333333) internal successors, (280), 3 states have internal predecessors, (280), 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) [2025-03-13 22:19:09,129 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-13 22:19:09,129 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-13 22:19:09,129 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-03-13 22:19:09,129 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2025-03-13 22:19:09,130 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-13 22:19:09,130 INFO L85 PathProgramCache]: Analyzing trace with hash 306526797, now seen corresponding path program 1 times [2025-03-13 22:19:09,130 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-13 22:19:09,130 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1876706125] [2025-03-13 22:19:09,130 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-13 22:19:09,130 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-13 22:19:09,143 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 62 statements into 1 equivalence classes. [2025-03-13 22:19:09,149 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 62 of 62 statements. [2025-03-13 22:19:09,150 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-13 22:19:09,150 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-13 22:19:09,364 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-13 22:19:09,365 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-13 22:19:09,365 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1876706125] [2025-03-13 22:19:09,365 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1876706125] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-13 22:19:09,365 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-13 22:19:09,365 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2025-03-13 22:19:09,366 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [846398200] [2025-03-13 22:19:09,366 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-13 22:19:09,366 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-03-13 22:19:09,366 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-13 22:19:09,366 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-03-13 22:19:09,367 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2025-03-13 22:19:09,501 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 95 out of 122 [2025-03-13 22:19:09,503 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 122 places, 123 transitions, 372 flow. Second operand has 8 states, 8 states have (on average 96.375) internal successors, (771), 8 states have internal predecessors, (771), 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) [2025-03-13 22:19:09,503 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-13 22:19:09,503 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 95 of 122 [2025-03-13 22:19:09,503 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-13 22:19:09,620 INFO L124 PetriNetUnfolderBase]: 58/546 cut-off events. [2025-03-13 22:19:09,620 INFO L125 PetriNetUnfolderBase]: For 161/161 co-relation queries the response was YES. [2025-03-13 22:19:09,621 INFO L83 FinitePrefix]: Finished finitePrefix Result has 929 conditions, 546 events. 58/546 cut-off events. For 161/161 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 2668 event pairs, 22 based on Foata normal form. 15/546 useless extension candidates. Maximal degree in co-relation 880. Up to 83 conditions per place. [2025-03-13 22:19:09,621 INFO L140 encePairwiseOnDemand]: 111/122 looper letters, 0 selfloop transitions, 0 changer transitions 116/116 dead transitions. [2025-03-13 22:19:09,621 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 123 places, 116 transitions, 376 flow [2025-03-13 22:19:09,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-13 22:19:09,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2025-03-13 22:19:09,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 600 transitions. [2025-03-13 22:19:09,623 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.819672131147541 [2025-03-13 22:19:09,623 INFO L175 Difference]: Start difference. First operand has 122 places, 123 transitions, 372 flow. Second operand 6 states and 600 transitions. [2025-03-13 22:19:09,623 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 123 places, 116 transitions, 376 flow [2025-03-13 22:19:09,629 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 117 places, 116 transitions, 338 flow, removed 10 selfloop flow, removed 6 redundant places. [2025-03-13 22:19:09,630 INFO L231 Difference]: Finished difference. Result has 117 places, 0 transitions, 0 flow [2025-03-13 22:19:09,630 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=122, PETRI_DIFFERENCE_MINUEND_FLOW=263, PETRI_DIFFERENCE_MINUEND_PLACES=112, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=110, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=110, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=0, PETRI_PLACES=117, PETRI_TRANSITIONS=0} [2025-03-13 22:19:09,630 INFO L279 CegarLoopForPetriNet]: 116 programPoint places, 1 predicate places. [2025-03-13 22:19:09,630 INFO L471 AbstractCegarLoop]: Abstraction has has 117 places, 0 transitions, 0 flow [2025-03-13 22:19:09,631 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 96.375) internal successors, (771), 8 states have internal predecessors, (771), 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) [2025-03-13 22:19:09,633 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (6 of 7 remaining) [2025-03-13 22:19:09,633 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (5 of 7 remaining) [2025-03-13 22:19:09,633 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (4 of 7 remaining) [2025-03-13 22:19:09,633 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (3 of 7 remaining) [2025-03-13 22:19:09,633 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (2 of 7 remaining) [2025-03-13 22:19:09,633 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (1 of 7 remaining) [2025-03-13 22:19:09,633 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (0 of 7 remaining) [2025-03-13 22:19:09,634 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-03-13 22:19:09,636 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2025-03-13 22:19:09,640 INFO L241 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2025-03-13 22:19:09,640 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-03-13 22:19:09,646 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.03 10:19:09 BasicIcfg [2025-03-13 22:19:09,646 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-03-13 22:19:09,647 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-03-13 22:19:09,647 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-03-13 22:19:09,647 INFO L274 PluginConnector]: Witness Printer initialized [2025-03-13 22:19:09,647 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 13.03 10:19:07" (3/4) ... [2025-03-13 22:19:09,648 INFO L146 WitnessPrinter]: Generating witness for correct program [2025-03-13 22:19:09,651 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure t_fun [2025-03-13 22:19:09,654 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2025-03-13 22:19:09,654 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2025-03-13 22:19:09,654 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2025-03-13 22:19:09,654 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2025-03-13 22:19:09,711 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-03-13 22:19:09,711 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2025-03-13 22:19:09,711 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-03-13 22:19:09,712 INFO L158 Benchmark]: Toolchain (without parser) took 3153.48ms. Allocated memory was 142.6MB in the beginning and 419.4MB in the end (delta: 276.8MB). Free memory was 111.3MB in the beginning and 214.2MB in the end (delta: -102.9MB). Peak memory consumption was 170.6MB. Max. memory is 16.1GB. [2025-03-13 22:19:09,712 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 201.3MB. Free memory is still 125.7MB. There was no memory consumed. Max. memory is 16.1GB. [2025-03-13 22:19:09,713 INFO L158 Benchmark]: CACSL2BoogieTranslator took 330.56ms. Allocated memory is still 142.6MB. Free memory was 111.3MB in the beginning and 91.3MB in the end (delta: 20.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-03-13 22:19:09,713 INFO L158 Benchmark]: Boogie Procedure Inliner took 22.15ms. Allocated memory is still 142.6MB. Free memory was 91.3MB in the beginning and 89.7MB in the end (delta: 1.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-13 22:19:09,713 INFO L158 Benchmark]: Boogie Preprocessor took 18.32ms. Allocated memory is still 142.6MB. Free memory was 89.7MB in the beginning and 88.8MB in the end (delta: 883.6kB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-13 22:19:09,713 INFO L158 Benchmark]: IcfgBuilder took 399.77ms. Allocated memory is still 142.6MB. Free memory was 88.4MB in the beginning and 69.5MB in the end (delta: 18.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-03-13 22:19:09,714 INFO L158 Benchmark]: TraceAbstraction took 2313.36ms. Allocated memory was 142.6MB in the beginning and 419.4MB in the end (delta: 276.8MB). Free memory was 69.1MB in the beginning and 219.4MB in the end (delta: -150.3MB). Peak memory consumption was 128.6MB. Max. memory is 16.1GB. [2025-03-13 22:19:09,714 INFO L158 Benchmark]: Witness Printer took 64.38ms. Allocated memory is still 419.4MB. Free memory was 219.4MB in the beginning and 214.2MB in the end (delta: 5.3MB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-13 22:19:09,716 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 201.3MB. Free memory is still 125.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 330.56ms. Allocated memory is still 142.6MB. Free memory was 111.3MB in the beginning and 91.3MB in the end (delta: 20.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 22.15ms. Allocated memory is still 142.6MB. Free memory was 91.3MB in the beginning and 89.7MB in the end (delta: 1.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 18.32ms. Allocated memory is still 142.6MB. Free memory was 89.7MB in the beginning and 88.8MB in the end (delta: 883.6kB). There was no memory consumed. Max. memory is 16.1GB. * IcfgBuilder took 399.77ms. Allocated memory is still 142.6MB. Free memory was 88.4MB in the beginning and 69.5MB in the end (delta: 18.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 2313.36ms. Allocated memory was 142.6MB in the beginning and 419.4MB in the end (delta: 276.8MB). Free memory was 69.1MB in the beginning and 219.4MB in the end (delta: -150.3MB). Peak memory consumption was 128.6MB. Max. memory is 16.1GB. * Witness Printer took 64.38ms. Allocated memory is still 419.4MB. Free memory was 219.4MB in the beginning and 214.2MB in the end (delta: 5.3MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 703]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 708]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 689]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 692]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 152 locations, 7 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 2.2s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 345 SdHoareTripleChecker+Valid, 0.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 239 mSDsluCounter, 58 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 31 mSDsCounter, 33 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 668 IncrementalHoareTripleChecker+Invalid, 701 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 33 mSolverCounterUnsat, 27 mSDtfsCounter, 668 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 25 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=372occurred in iteration=4, InterpolantAutomatonStates: 20, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 259 NumberOfCodeBlocks, 259 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 254 ConstructedInterpolants, 0 QuantifiedInterpolants, 634 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 4 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2025-03-13 22:19:09,730 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