./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 48c9605d Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/goblint-regression/13-privatized_32-traces-mine-vs-oplus-vs-meet_true.i -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash a233f90faab2ceb8ddfb042463870c03c0794d3cd45b2ba20de731314559cb95 --- Real Ultimate output --- This is Ultimate 0.3.0-?-48c9605-m [2025-02-08 05:33:21,240 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-08 05:33:21,281 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2025-02-08 05:33:21,284 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-08 05:33:21,285 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-08 05:33:21,301 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-08 05:33:21,302 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-08 05:33:21,302 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-08 05:33:21,302 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-08 05:33:21,302 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-08 05:33:21,302 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-08 05:33:21,302 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-08 05:33:21,302 INFO L153 SettingsManager]: * Use SBE=true [2025-02-08 05:33:21,303 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-08 05:33:21,303 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-08 05:33:21,303 INFO L153 SettingsManager]: * sizeof long=4 [2025-02-08 05:33:21,303 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-08 05:33:21,303 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-02-08 05:33:21,303 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-08 05:33:21,303 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-08 05:33:21,303 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-08 05:33:21,303 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-08 05:33:21,303 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2025-02-08 05:33:21,303 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-02-08 05:33:21,304 INFO L153 SettingsManager]: * sizeof long double=12 [2025-02-08 05:33:21,304 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-08 05:33:21,304 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-08 05:33:21,304 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-08 05:33:21,304 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-08 05:33:21,304 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-08 05:33:21,304 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-08 05:33:21,304 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-08 05:33:21,304 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-08 05:33:21,304 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-08 05:33:21,304 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-08 05:33:21,305 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-08 05:33:21,305 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-08 05:33:21,305 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-08 05:33:21,305 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-08 05:33:21,305 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-08 05:33:21,305 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-08 05:33:21,305 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-08 05:33:21,305 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a233f90faab2ceb8ddfb042463870c03c0794d3cd45b2ba20de731314559cb95 [2025-02-08 05:33:21,513 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-08 05:33:21,521 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-08 05:33:21,523 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-08 05:33:21,527 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-08 05:33:21,528 INFO L274 PluginConnector]: CDTParser initialized [2025-02-08 05:33:21,528 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/goblint-regression/13-privatized_32-traces-mine-vs-oplus-vs-meet_true.i [2025-02-08 05:33:22,734 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/d58b418d9/21d1439848624284874caa24aa77c4ba/FLAG0ec2159b0 [2025-02-08 05:33:23,041 INFO L384 CDTParser]: Found 1 translation units. [2025-02-08 05:33:23,041 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/goblint-regression/13-privatized_32-traces-mine-vs-oplus-vs-meet_true.i [2025-02-08 05:33:23,055 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/d58b418d9/21d1439848624284874caa24aa77c4ba/FLAG0ec2159b0 [2025-02-08 05:33:23,072 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/d58b418d9/21d1439848624284874caa24aa77c4ba [2025-02-08 05:33:23,074 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-08 05:33:23,075 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-08 05:33:23,076 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-08 05:33:23,077 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-08 05:33:23,081 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-08 05:33:23,081 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 05:33:23" (1/1) ... [2025-02-08 05:33:23,082 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7011c7e1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 05:33:23, skipping insertion in model container [2025-02-08 05:33:23,082 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 05:33:23" (1/1) ... [2025-02-08 05:33:23,109 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-08 05:33:23,353 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 05:33:23,370 INFO L200 MainTranslator]: Completed pre-run [2025-02-08 05:33:23,406 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 05:33:23,441 INFO L204 MainTranslator]: Completed translation [2025-02-08 05:33:23,442 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 05:33:23 WrapperNode [2025-02-08 05:33:23,442 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-08 05:33:23,443 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-08 05:33:23,443 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-08 05:33:23,443 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-08 05:33:23,448 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 05:33:23" (1/1) ... [2025-02-08 05:33:23,456 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 05:33:23" (1/1) ... [2025-02-08 05:33:23,475 INFO L138 Inliner]: procedures = 162, calls = 44, calls flagged for inlining = 5, calls inlined = 6, statements flattened = 84 [2025-02-08 05:33:23,475 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-08 05:33:23,476 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-08 05:33:23,476 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-08 05:33:23,476 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-08 05:33:23,480 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 05:33:23" (1/1) ... [2025-02-08 05:33:23,481 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 05:33:23" (1/1) ... [2025-02-08 05:33:23,483 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 05:33:23" (1/1) ... [2025-02-08 05:33:23,486 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 05:33:23" (1/1) ... [2025-02-08 05:33:23,489 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 05:33:23" (1/1) ... [2025-02-08 05:33:23,490 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 05:33:23" (1/1) ... [2025-02-08 05:33:23,491 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 05:33:23" (1/1) ... [2025-02-08 05:33:23,492 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 05:33:23" (1/1) ... [2025-02-08 05:33:23,495 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-08 05:33:23,496 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-08 05:33:23,496 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-08 05:33:23,496 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-08 05:33:23,496 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 05:33:23" (1/1) ... [2025-02-08 05:33:23,500 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-08 05:33:23,513 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 05:33:23,522 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-02-08 05:33:23,526 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-02-08 05:33:23,540 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2025-02-08 05:33:23,540 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-08 05:33:23,540 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2025-02-08 05:33:23,540 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2025-02-08 05:33:23,540 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2025-02-08 05:33:23,540 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2025-02-08 05:33:23,540 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-08 05:33:23,540 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-08 05:33:23,541 WARN L227 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2025-02-08 05:33:23,610 INFO L257 CfgBuilder]: Building ICFG [2025-02-08 05:33:23,611 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-08 05:33:23,730 INFO L304 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-02-08 05:33:23,731 INFO L308 CfgBuilder]: Performing block encoding [2025-02-08 05:33:23,757 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-08 05:33:23,757 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-08 05:33:23,757 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 05:33:23 BoogieIcfgContainer [2025-02-08 05:33:23,757 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-08 05:33:23,759 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-08 05:33:23,759 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-08 05:33:23,761 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-08 05:33:23,762 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.02 05:33:23" (1/3) ... [2025-02-08 05:33:23,762 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@14b8769f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.02 05:33:23, skipping insertion in model container [2025-02-08 05:33:23,762 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 05:33:23" (2/3) ... [2025-02-08 05:33:23,762 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@14b8769f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.02 05:33:23, skipping insertion in model container [2025-02-08 05:33:23,762 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 05:33:23" (3/3) ... [2025-02-08 05:33:23,763 INFO L128 eAbstractionObserver]: Analyzing ICFG 13-privatized_32-traces-mine-vs-oplus-vs-meet_true.i [2025-02-08 05:33:23,772 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-08 05:33:23,773 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. [2025-02-08 05:33:23,775 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-02-08 05:33:23,828 INFO L143 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2025-02-08 05:33:23,862 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 122 places, 122 transitions, 251 flow [2025-02-08 05:33:23,913 INFO L124 PetriNetUnfolderBase]: 4/121 cut-off events. [2025-02-08 05:33:23,916 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2025-02-08 05:33:23,921 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. [2025-02-08 05:33:23,921 INFO L82 GeneralOperation]: Start removeDead. Operand has 122 places, 122 transitions, 251 flow [2025-02-08 05:33:23,924 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 116 places, 116 transitions, 235 flow [2025-02-08 05:33:23,929 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-08 05:33:23,938 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;@27e31138, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-08 05:33:23,938 INFO L334 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2025-02-08 05:33:23,947 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2025-02-08 05:33:23,948 INFO L124 PetriNetUnfolderBase]: 0/50 cut-off events. [2025-02-08 05:33:23,948 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-02-08 05:33:23,948 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-08 05:33:23,948 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] [2025-02-08 05:33:23,949 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)] === [2025-02-08 05:33:23,956 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 05:33:23,956 INFO L85 PathProgramCache]: Analyzing trace with hash -290576304, now seen corresponding path program 1 times [2025-02-08 05:33:23,965 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 05:33:23,970 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1558394353] [2025-02-08 05:33:23,970 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 05:33:23,970 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 05:33:24,038 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 43 statements into 1 equivalence classes. [2025-02-08 05:33:24,053 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 43 of 43 statements. [2025-02-08 05:33:24,053 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 05:33:24,053 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 05:33:24,129 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 05:33:24,130 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 05:33:24,130 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1558394353] [2025-02-08 05:33:24,130 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1558394353] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 05:33:24,130 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 05:33:24,131 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-08 05:33:24,132 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [202352730] [2025-02-08 05:33:24,134 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 05:33:24,138 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-08 05:33:24,141 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 05:33:24,155 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-08 05:33:24,156 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-08 05:33:24,180 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 90 out of 122 [2025-02-08 05:33:24,186 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) [2025-02-08 05:33:24,186 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-08 05:33:24,186 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 90 of 122 [2025-02-08 05:33:24,187 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-08 05:33:24,424 INFO L124 PetriNetUnfolderBase]: 185/925 cut-off events. [2025-02-08 05:33:24,425 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2025-02-08 05:33:24,429 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 5867 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. [2025-02-08 05:33:24,433 INFO L140 encePairwiseOnDemand]: 110/122 looper letters, 35 selfloop transitions, 6 changer transitions 3/127 dead transitions. [2025-02-08 05:33:24,433 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 114 places, 127 transitions, 345 flow [2025-02-08 05:33:24,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-08 05:33:24,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-02-08 05:33:24,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 324 transitions. [2025-02-08 05:33:24,442 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8852459016393442 [2025-02-08 05:33:24,443 INFO L175 Difference]: Start difference. First operand has 116 places, 116 transitions, 235 flow. Second operand 3 states and 324 transitions. [2025-02-08 05:33:24,443 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 114 places, 127 transitions, 345 flow [2025-02-08 05:33:24,446 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 113 places, 127 transitions, 344 flow, removed 0 selfloop flow, removed 1 redundant places. [2025-02-08 05:33:24,449 INFO L231 Difference]: Finished difference. Result has 115 places, 113 transitions, 266 flow [2025-02-08 05:33:24,450 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} [2025-02-08 05:33:24,453 INFO L279 CegarLoopForPetriNet]: 116 programPoint places, -1 predicate places. [2025-02-08 05:33:24,453 INFO L471 AbstractCegarLoop]: Abstraction has has 115 places, 113 transitions, 266 flow [2025-02-08 05:33:24,454 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) [2025-02-08 05:33:24,454 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-08 05:33:24,454 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] [2025-02-08 05:33:24,454 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-02-08 05:33:24,454 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)] === [2025-02-08 05:33:24,455 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 05:33:24,455 INFO L85 PathProgramCache]: Analyzing trace with hash -1011800059, now seen corresponding path program 1 times [2025-02-08 05:33:24,455 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 05:33:24,455 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1112180970] [2025-02-08 05:33:24,456 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 05:33:24,456 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 05:33:24,468 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 46 statements into 1 equivalence classes. [2025-02-08 05:33:24,475 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 46 of 46 statements. [2025-02-08 05:33:24,475 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 05:33:24,475 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 05:33:24,516 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 05:33:24,517 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 05:33:24,517 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1112180970] [2025-02-08 05:33:24,517 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1112180970] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 05:33:24,517 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 05:33:24,517 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-08 05:33:24,517 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [560280964] [2025-02-08 05:33:24,517 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 05:33:24,518 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-08 05:33:24,519 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 05:33:24,519 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-08 05:33:24,519 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-08 05:33:24,541 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 90 out of 122 [2025-02-08 05:33:24,542 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) [2025-02-08 05:33:24,542 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-08 05:33:24,542 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 90 of 122 [2025-02-08 05:33:24,542 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-08 05:33:24,664 INFO L124 PetriNetUnfolderBase]: 222/997 cut-off events. [2025-02-08 05:33:24,664 INFO L125 PetriNetUnfolderBase]: For 135/135 co-relation queries the response was YES. [2025-02-08 05:33:24,666 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 6534 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. [2025-02-08 05:33:24,669 INFO L140 encePairwiseOnDemand]: 116/122 looper letters, 34 selfloop transitions, 7 changer transitions 0/126 dead transitions. [2025-02-08 05:33:24,670 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 117 places, 126 transitions, 384 flow [2025-02-08 05:33:24,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-08 05:33:24,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-02-08 05:33:24,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 308 transitions. [2025-02-08 05:33:24,672 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8415300546448088 [2025-02-08 05:33:24,672 INFO L175 Difference]: Start difference. First operand has 115 places, 113 transitions, 266 flow. Second operand 3 states and 308 transitions. [2025-02-08 05:33:24,672 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 117 places, 126 transitions, 384 flow [2025-02-08 05:33:24,673 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 115 places, 126 transitions, 368 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-02-08 05:33:24,675 INFO L231 Difference]: Finished difference. Result has 117 places, 118 transitions, 310 flow [2025-02-08 05:33:24,675 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} [2025-02-08 05:33:24,675 INFO L279 CegarLoopForPetriNet]: 116 programPoint places, 1 predicate places. [2025-02-08 05:33:24,676 INFO L471 AbstractCegarLoop]: Abstraction has has 117 places, 118 transitions, 310 flow [2025-02-08 05:33:24,676 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) [2025-02-08 05:33:24,676 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-08 05:33:24,676 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] [2025-02-08 05:33:24,676 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-02-08 05:33:24,676 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)] === [2025-02-08 05:33:24,677 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 05:33:24,677 INFO L85 PathProgramCache]: Analyzing trace with hash -1723000311, now seen corresponding path program 1 times [2025-02-08 05:33:24,677 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 05:33:24,677 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1621723973] [2025-02-08 05:33:24,677 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 05:33:24,677 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 05:33:24,687 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 53 statements into 1 equivalence classes. [2025-02-08 05:33:24,698 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 53 of 53 statements. [2025-02-08 05:33:24,698 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 05:33:24,698 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 05:33:24,983 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 05:33:24,983 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 05:33:24,983 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1621723973] [2025-02-08 05:33:24,983 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1621723973] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 05:33:24,983 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 05:33:24,983 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2025-02-08 05:33:24,983 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2101126790] [2025-02-08 05:33:24,984 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 05:33:24,984 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-02-08 05:33:24,984 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 05:33:24,984 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-02-08 05:33:24,984 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2025-02-08 05:33:25,086 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 96 out of 122 [2025-02-08 05:33:25,087 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) [2025-02-08 05:33:25,087 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-08 05:33:25,087 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 96 of 122 [2025-02-08 05:33:25,087 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-08 05:33:25,363 INFO L124 PetriNetUnfolderBase]: 125/892 cut-off events. [2025-02-08 05:33:25,363 INFO L125 PetriNetUnfolderBase]: For 66/73 co-relation queries the response was YES. [2025-02-08 05:33:25,365 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 6130 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. [2025-02-08 05:33:25,368 INFO L140 encePairwiseOnDemand]: 112/122 looper letters, 22 selfloop transitions, 9 changer transitions 2/130 dead transitions. [2025-02-08 05:33:25,368 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 121 places, 130 transitions, 388 flow [2025-02-08 05:33:25,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-02-08 05:33:25,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2025-02-08 05:33:25,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 515 transitions. [2025-02-08 05:33:25,372 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8442622950819673 [2025-02-08 05:33:25,372 INFO L175 Difference]: Start difference. First operand has 117 places, 118 transitions, 310 flow. Second operand 5 states and 515 transitions. [2025-02-08 05:33:25,372 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 121 places, 130 transitions, 388 flow [2025-02-08 05:33:25,373 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 119 places, 130 transitions, 376 flow, removed 1 selfloop flow, removed 2 redundant places. [2025-02-08 05:33:25,375 INFO L231 Difference]: Finished difference. Result has 120 places, 121 transitions, 329 flow [2025-02-08 05:33:25,375 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} [2025-02-08 05:33:25,375 INFO L279 CegarLoopForPetriNet]: 116 programPoint places, 4 predicate places. [2025-02-08 05:33:25,377 INFO L471 AbstractCegarLoop]: Abstraction has has 120 places, 121 transitions, 329 flow [2025-02-08 05:33:25,377 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) [2025-02-08 05:33:25,377 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-08 05:33:25,377 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] [2025-02-08 05:33:25,377 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-02-08 05:33:25,378 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)] === [2025-02-08 05:33:25,379 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 05:33:25,379 INFO L85 PathProgramCache]: Analyzing trace with hash 314140479, now seen corresponding path program 1 times [2025-02-08 05:33:25,379 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 05:33:25,379 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [192253793] [2025-02-08 05:33:25,379 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 05:33:25,379 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 05:33:25,393 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 55 statements into 1 equivalence classes. [2025-02-08 05:33:25,398 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 55 of 55 statements. [2025-02-08 05:33:25,399 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 05:33:25,399 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 05:33:25,439 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 05:33:25,439 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 05:33:25,439 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [192253793] [2025-02-08 05:33:25,439 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [192253793] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 05:33:25,439 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 05:33:25,439 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-08 05:33:25,439 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1699591162] [2025-02-08 05:33:25,439 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 05:33:25,439 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-08 05:33:25,439 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 05:33:25,440 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-08 05:33:25,440 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-08 05:33:25,501 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 90 out of 122 [2025-02-08 05:33:25,502 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) [2025-02-08 05:33:25,502 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-08 05:33:25,502 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 90 of 122 [2025-02-08 05:33:25,502 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-08 05:33:25,703 INFO L124 PetriNetUnfolderBase]: 238/1158 cut-off events. [2025-02-08 05:33:25,703 INFO L125 PetriNetUnfolderBase]: For 353/415 co-relation queries the response was YES. [2025-02-08 05:33:25,705 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 8322 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. [2025-02-08 05:33:25,707 INFO L140 encePairwiseOnDemand]: 116/122 looper letters, 36 selfloop transitions, 6 changer transitions 5/134 dead transitions. [2025-02-08 05:33:25,708 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 122 places, 134 transitions, 469 flow [2025-02-08 05:33:25,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-08 05:33:25,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-02-08 05:33:25,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 308 transitions. [2025-02-08 05:33:25,709 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8415300546448088 [2025-02-08 05:33:25,709 INFO L175 Difference]: Start difference. First operand has 120 places, 121 transitions, 329 flow. Second operand 3 states and 308 transitions. [2025-02-08 05:33:25,709 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 122 places, 134 transitions, 469 flow [2025-02-08 05:33:25,710 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 120 places, 134 transitions, 466 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-02-08 05:33:25,712 INFO L231 Difference]: Finished difference. Result has 122 places, 123 transitions, 372 flow [2025-02-08 05:33:25,712 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} [2025-02-08 05:33:25,712 INFO L279 CegarLoopForPetriNet]: 116 programPoint places, 6 predicate places. [2025-02-08 05:33:25,713 INFO L471 AbstractCegarLoop]: Abstraction has has 122 places, 123 transitions, 372 flow [2025-02-08 05:33:25,713 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) [2025-02-08 05:33:25,713 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-08 05:33:25,713 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] [2025-02-08 05:33:25,713 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-02-08 05:33:25,713 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)] === [2025-02-08 05:33:25,714 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 05:33:25,714 INFO L85 PathProgramCache]: Analyzing trace with hash -665422127, now seen corresponding path program 1 times [2025-02-08 05:33:25,714 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 05:33:25,714 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1361397801] [2025-02-08 05:33:25,714 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 05:33:25,714 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 05:33:25,722 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 62 statements into 1 equivalence classes. [2025-02-08 05:33:25,726 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 62 of 62 statements. [2025-02-08 05:33:25,726 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 05:33:25,727 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 05:33:25,945 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 05:33:25,946 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 05:33:25,946 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1361397801] [2025-02-08 05:33:25,946 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1361397801] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 05:33:25,947 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 05:33:25,947 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2025-02-08 05:33:25,947 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1890458840] [2025-02-08 05:33:25,947 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 05:33:25,947 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-02-08 05:33:25,947 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 05:33:25,947 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-02-08 05:33:25,947 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2025-02-08 05:33:26,074 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 95 out of 122 [2025-02-08 05:33:26,077 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) [2025-02-08 05:33:26,077 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-08 05:33:26,077 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 95 of 122 [2025-02-08 05:33:26,077 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-08 05:33:26,179 INFO L124 PetriNetUnfolderBase]: 58/546 cut-off events. [2025-02-08 05:33:26,179 INFO L125 PetriNetUnfolderBase]: For 161/161 co-relation queries the response was YES. [2025-02-08 05:33:26,180 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 2666 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. [2025-02-08 05:33:26,180 INFO L140 encePairwiseOnDemand]: 111/122 looper letters, 0 selfloop transitions, 0 changer transitions 116/116 dead transitions. [2025-02-08 05:33:26,180 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 123 places, 116 transitions, 376 flow [2025-02-08 05:33:26,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-02-08 05:33:26,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2025-02-08 05:33:26,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 600 transitions. [2025-02-08 05:33:26,183 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.819672131147541 [2025-02-08 05:33:26,183 INFO L175 Difference]: Start difference. First operand has 122 places, 123 transitions, 372 flow. Second operand 6 states and 600 transitions. [2025-02-08 05:33:26,184 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 123 places, 116 transitions, 376 flow [2025-02-08 05:33:26,185 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 117 places, 116 transitions, 338 flow, removed 10 selfloop flow, removed 6 redundant places. [2025-02-08 05:33:26,187 INFO L231 Difference]: Finished difference. Result has 117 places, 0 transitions, 0 flow [2025-02-08 05:33:26,188 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} [2025-02-08 05:33:26,188 INFO L279 CegarLoopForPetriNet]: 116 programPoint places, 1 predicate places. [2025-02-08 05:33:26,188 INFO L471 AbstractCegarLoop]: Abstraction has has 117 places, 0 transitions, 0 flow [2025-02-08 05:33:26,189 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) [2025-02-08 05:33:26,190 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (6 of 7 remaining) [2025-02-08 05:33:26,190 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (5 of 7 remaining) [2025-02-08 05:33:26,190 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (4 of 7 remaining) [2025-02-08 05:33:26,191 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (3 of 7 remaining) [2025-02-08 05:33:26,191 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (2 of 7 remaining) [2025-02-08 05:33:26,191 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (1 of 7 remaining) [2025-02-08 05:33:26,191 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (0 of 7 remaining) [2025-02-08 05:33:26,191 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-02-08 05:33:26,191 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2025-02-08 05:33:26,196 INFO L241 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2025-02-08 05:33:26,196 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-02-08 05:33:26,200 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.02 05:33:26 BasicIcfg [2025-02-08 05:33:26,200 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-02-08 05:33:26,200 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-02-08 05:33:26,200 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-02-08 05:33:26,201 INFO L274 PluginConnector]: Witness Printer initialized [2025-02-08 05:33:26,201 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 05:33:23" (3/4) ... [2025-02-08 05:33:26,202 INFO L146 WitnessPrinter]: Generating witness for correct program [2025-02-08 05:33:26,204 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure t_fun [2025-02-08 05:33:26,207 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2025-02-08 05:33:26,207 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2025-02-08 05:33:26,207 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2025-02-08 05:33:26,207 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2025-02-08 05:33:26,259 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-02-08 05:33:26,259 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.yml [2025-02-08 05:33:26,259 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-02-08 05:33:26,260 INFO L158 Benchmark]: Toolchain (without parser) took 3185.00ms. Allocated memory is still 201.3MB. Free memory was 156.3MB in the beginning and 90.3MB in the end (delta: 66.0MB). Peak memory consumption was 67.3MB. Max. memory is 16.1GB. [2025-02-08 05:33:26,260 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 209.7MB. Free memory is still 125.7MB. There was no memory consumed. Max. memory is 16.1GB. [2025-02-08 05:33:26,261 INFO L158 Benchmark]: CACSL2BoogieTranslator took 366.47ms. Allocated memory is still 201.3MB. Free memory was 155.9MB in the beginning and 136.1MB in the end (delta: 19.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-02-08 05:33:26,261 INFO L158 Benchmark]: Boogie Procedure Inliner took 32.45ms. Allocated memory is still 201.3MB. Free memory was 136.1MB in the beginning and 134.6MB in the end (delta: 1.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-08 05:33:26,262 INFO L158 Benchmark]: Boogie Preprocessor took 19.54ms. Allocated memory is still 201.3MB. Free memory was 134.2MB in the beginning and 133.4MB in the end (delta: 815.2kB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-08 05:33:26,262 INFO L158 Benchmark]: IcfgBuilder took 261.90ms. Allocated memory is still 201.3MB. Free memory was 133.4MB in the beginning and 114.2MB in the end (delta: 19.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-02-08 05:33:26,262 INFO L158 Benchmark]: TraceAbstraction took 2441.35ms. Allocated memory is still 201.3MB. Free memory was 113.4MB in the beginning and 95.3MB in the end (delta: 18.1MB). Peak memory consumption was 17.0MB. Max. memory is 16.1GB. [2025-02-08 05:33:26,263 INFO L158 Benchmark]: Witness Printer took 59.14ms. Allocated memory is still 201.3MB. Free memory was 95.3MB in the beginning and 90.3MB in the end (delta: 5.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-08 05:33:26,264 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 209.7MB. Free memory is still 125.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 366.47ms. Allocated memory is still 201.3MB. Free memory was 155.9MB in the beginning and 136.1MB in the end (delta: 19.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 32.45ms. Allocated memory is still 201.3MB. Free memory was 136.1MB in the beginning and 134.6MB in the end (delta: 1.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 19.54ms. Allocated memory is still 201.3MB. Free memory was 134.2MB in the beginning and 133.4MB in the end (delta: 815.2kB). There was no memory consumed. Max. memory is 16.1GB. * IcfgBuilder took 261.90ms. Allocated memory is still 201.3MB. Free memory was 133.4MB in the beginning and 114.2MB in the end (delta: 19.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 2441.35ms. Allocated memory is still 201.3MB. Free memory was 113.4MB in the beginning and 95.3MB in the end (delta: 18.1MB). Peak memory consumption was 17.0MB. Max. memory is 16.1GB. * Witness Printer took 59.14ms. Allocated memory is still 201.3MB. Free memory was 95.3MB in the beginning and 90.3MB in the end (delta: 5.0MB). Peak memory consumption was 8.4MB. 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: 2.3s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 345 SdHoareTripleChecker+Valid, 0.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 239 mSDsluCounter, 58 SdHoareTripleChecker+Invalid, 0.5s 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! [2025-02-08 05:33:26,281 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE