./Ultimate.py --spec ../sv-benchmarks/c/properties/no-data-race.prp --file ../sv-benchmarks/c/goblint-regression/13-privatized_30-traces-oplus-vs-meet_true.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 3289d67d Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/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_1.5.800.v20200727-1323.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_30-traces-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 9f8eb81fe04afedf177636b6e0b2ff7ec90c549122dc143b3ac2872279b10356 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-3289d67-m [2024-11-16 23:38:48,431 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-16 23:38:48,493 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-16 23:38:48,497 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-16 23:38:48,497 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-16 23:38:48,524 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-16 23:38:48,525 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-16 23:38:48,525 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-16 23:38:48,526 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-16 23:38:48,528 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-16 23:38:48,528 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-16 23:38:48,529 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-16 23:38:48,529 INFO L153 SettingsManager]: * Use SBE=true [2024-11-16 23:38:48,529 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-16 23:38:48,530 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-16 23:38:48,530 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-16 23:38:48,531 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-16 23:38:48,531 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-16 23:38:48,531 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-16 23:38:48,532 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-16 23:38:48,532 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-16 23:38:48,536 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-16 23:38:48,536 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-16 23:38:48,537 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-16 23:38:48,537 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-16 23:38:48,537 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-16 23:38:48,537 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-16 23:38:48,537 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-16 23:38:48,538 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-16 23:38:48,538 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-16 23:38:48,538 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-16 23:38:48,538 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 23:38:48,539 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-16 23:38:48,539 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-16 23:38:48,540 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-16 23:38:48,540 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-16 23:38:48,540 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-16 23:38:48,541 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-16 23:38:48,541 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-16 23:38:48,541 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-16 23:38:48,542 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-16 23:38:48,542 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9f8eb81fe04afedf177636b6e0b2ff7ec90c549122dc143b3ac2872279b10356 [2024-11-16 23:38:48,802 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-16 23:38:48,830 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-16 23:38:48,834 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-16 23:38:48,835 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-16 23:38:48,836 INFO L274 PluginConnector]: CDTParser initialized [2024-11-16 23:38:48,837 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/goblint-regression/13-privatized_30-traces-oplus-vs-meet_true.i [2024-11-16 23:38:50,299 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-16 23:38:50,580 INFO L384 CDTParser]: Found 1 translation units. [2024-11-16 23:38:50,581 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/goblint-regression/13-privatized_30-traces-oplus-vs-meet_true.i [2024-11-16 23:38:50,603 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9942dab16/702a5d93a4694614904768dba949bfb5/FLAG93f07bb35 [2024-11-16 23:38:50,875 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9942dab16/702a5d93a4694614904768dba949bfb5 [2024-11-16 23:38:50,877 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-16 23:38:50,878 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-16 23:38:50,879 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-16 23:38:50,879 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-16 23:38:50,883 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-16 23:38:50,884 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 11:38:50" (1/1) ... [2024-11-16 23:38:50,885 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1303d516 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:38:50, skipping insertion in model container [2024-11-16 23:38:50,885 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 11:38:50" (1/1) ... [2024-11-16 23:38:50,935 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-16 23:38:51,270 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 23:38:51,296 INFO L200 MainTranslator]: Completed pre-run [2024-11-16 23:38:51,342 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 23:38:51,393 INFO L204 MainTranslator]: Completed translation [2024-11-16 23:38:51,394 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:38:51 WrapperNode [2024-11-16 23:38:51,394 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-16 23:38:51,395 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-16 23:38:51,396 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-16 23:38:51,396 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-16 23:38:51,403 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:38:51" (1/1) ... [2024-11-16 23:38:51,417 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:38:51" (1/1) ... [2024-11-16 23:38:51,442 INFO L138 Inliner]: procedures = 162, calls = 32, calls flagged for inlining = 5, calls inlined = 6, statements flattened = 65 [2024-11-16 23:38:51,442 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-16 23:38:51,443 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-16 23:38:51,444 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-16 23:38:51,445 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-16 23:38:51,453 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:38:51" (1/1) ... [2024-11-16 23:38:51,454 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:38:51" (1/1) ... [2024-11-16 23:38:51,457 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:38:51" (1/1) ... [2024-11-16 23:38:51,457 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:38:51" (1/1) ... [2024-11-16 23:38:51,462 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:38:51" (1/1) ... [2024-11-16 23:38:51,463 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:38:51" (1/1) ... [2024-11-16 23:38:51,464 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:38:51" (1/1) ... [2024-11-16 23:38:51,469 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:38:51" (1/1) ... [2024-11-16 23:38:51,471 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-16 23:38:51,472 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-16 23:38:51,472 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-16 23:38:51,472 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-16 23:38:51,473 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:38:51" (1/1) ... [2024-11-16 23:38:51,484 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 23:38:51,498 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 23:38:51,515 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) [2024-11-16 23:38:51,519 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 [2024-11-16 23:38:51,566 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-11-16 23:38:51,567 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-16 23:38:51,567 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2024-11-16 23:38:51,567 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2024-11-16 23:38:51,567 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-16 23:38:51,567 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-11-16 23:38:51,567 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-16 23:38:51,567 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-16 23:38:51,569 WARN L225 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-16 23:38:51,721 INFO L256 CfgBuilder]: Building ICFG [2024-11-16 23:38:51,727 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-16 23:38:51,953 INFO L303 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-16 23:38:51,953 INFO L307 CfgBuilder]: Performing block encoding [2024-11-16 23:38:52,004 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-16 23:38:52,006 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-16 23:38:52,007 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 11:38:52 BoogieIcfgContainer [2024-11-16 23:38:52,007 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-16 23:38:52,010 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-16 23:38:52,010 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-16 23:38:52,013 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-16 23:38:52,014 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 11:38:50" (1/3) ... [2024-11-16 23:38:52,014 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@40dff51f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 11:38:52, skipping insertion in model container [2024-11-16 23:38:52,015 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:38:51" (2/3) ... [2024-11-16 23:38:52,015 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@40dff51f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 11:38:52, skipping insertion in model container [2024-11-16 23:38:52,015 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 11:38:52" (3/3) ... [2024-11-16 23:38:52,016 INFO L112 eAbstractionObserver]: Analyzing ICFG 13-privatized_30-traces-oplus-vs-meet_true.i [2024-11-16 23:38:52,035 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-16 23:38:52,035 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2024-11-16 23:38:52,035 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-16 23:38:52,101 INFO L143 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2024-11-16 23:38:52,145 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 103 places, 103 transitions, 213 flow [2024-11-16 23:38:52,188 INFO L124 PetriNetUnfolderBase]: 4/102 cut-off events. [2024-11-16 23:38:52,189 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-16 23:38:52,195 INFO L83 FinitePrefix]: Finished finitePrefix Result has 107 conditions, 102 events. 4/102 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 86 event pairs, 0 based on Foata normal form. 0/94 useless extension candidates. Maximal degree in co-relation 53. Up to 2 conditions per place. [2024-11-16 23:38:52,195 INFO L82 GeneralOperation]: Start removeDead. Operand has 103 places, 103 transitions, 213 flow [2024-11-16 23:38:52,200 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 97 places, 97 transitions, 197 flow [2024-11-16 23:38:52,210 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-16 23:38:52,217 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;@23fd1190, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-16 23:38:52,218 INFO L334 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2024-11-16 23:38:52,227 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-16 23:38:52,227 INFO L124 PetriNetUnfolderBase]: 0/26 cut-off events. [2024-11-16 23:38:52,228 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-16 23:38:52,228 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:38:52,229 INFO L204 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] [2024-11-16 23:38:52,229 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)] === [2024-11-16 23:38:52,234 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:38:52,234 INFO L85 PathProgramCache]: Analyzing trace with hash -1754305592, now seen corresponding path program 1 times [2024-11-16 23:38:52,242 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:38:52,242 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [817847676] [2024-11-16 23:38:52,242 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:38:52,243 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:38:52,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:38:52,493 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:38:52,493 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:38:52,493 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [817847676] [2024-11-16 23:38:52,494 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [817847676] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:38:52,494 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:38:52,494 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 23:38:52,496 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1575250736] [2024-11-16 23:38:52,497 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:38:52,504 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:38:52,509 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:38:52,535 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:38:52,536 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:38:52,566 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 77 out of 103 [2024-11-16 23:38:52,570 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 97 places, 97 transitions, 197 flow. Second operand has 3 states, 3 states have (on average 77.66666666666667) internal successors, (233), 3 states have internal predecessors, (233), 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) [2024-11-16 23:38:52,570 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:38:52,570 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 77 of 103 [2024-11-16 23:38:52,575 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:38:52,774 INFO L124 PetriNetUnfolderBase]: 67/416 cut-off events. [2024-11-16 23:38:52,775 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-16 23:38:52,776 INFO L83 FinitePrefix]: Finished finitePrefix Result has 583 conditions, 416 events. 67/416 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 2106 event pairs, 17 based on Foata normal form. 32/413 useless extension candidates. Maximal degree in co-relation 536. Up to 82 conditions per place. [2024-11-16 23:38:52,779 INFO L140 encePairwiseOnDemand]: 92/103 looper letters, 22 selfloop transitions, 5 changer transitions 5/99 dead transitions. [2024-11-16 23:38:52,780 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 94 places, 99 transitions, 259 flow [2024-11-16 23:38:52,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:38:52,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:38:52,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 268 transitions. [2024-11-16 23:38:52,796 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8673139158576052 [2024-11-16 23:38:52,799 INFO L175 Difference]: Start difference. First operand has 97 places, 97 transitions, 197 flow. Second operand 3 states and 268 transitions. [2024-11-16 23:38:52,800 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 94 places, 99 transitions, 259 flow [2024-11-16 23:38:52,804 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 93 places, 99 transitions, 258 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-16 23:38:52,810 INFO L231 Difference]: Finished difference. Result has 95 places, 88 transitions, 206 flow [2024-11-16 23:38:52,814 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=103, PETRI_DIFFERENCE_MINUEND_FLOW=178, PETRI_DIFFERENCE_MINUEND_PLACES=91, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=88, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=83, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=206, PETRI_PLACES=95, PETRI_TRANSITIONS=88} [2024-11-16 23:38:52,819 INFO L277 CegarLoopForPetriNet]: 97 programPoint places, -2 predicate places. [2024-11-16 23:38:52,819 INFO L471 AbstractCegarLoop]: Abstraction has has 95 places, 88 transitions, 206 flow [2024-11-16 23:38:52,819 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 77.66666666666667) internal successors, (233), 3 states have internal predecessors, (233), 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) [2024-11-16 23:38:52,820 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:38:52,820 INFO L204 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] [2024-11-16 23:38:52,820 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-16 23:38:52,821 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)] === [2024-11-16 23:38:52,822 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:38:52,822 INFO L85 PathProgramCache]: Analyzing trace with hash 348653802, now seen corresponding path program 1 times [2024-11-16 23:38:52,822 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:38:52,823 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [936969033] [2024-11-16 23:38:52,824 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:38:52,824 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:38:52,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:38:52,971 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:38:52,971 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:38:52,972 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [936969033] [2024-11-16 23:38:52,974 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [936969033] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:38:52,974 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:38:52,974 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 23:38:52,974 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1871734362] [2024-11-16 23:38:52,975 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:38:52,976 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:38:52,977 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:38:52,978 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:38:52,978 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:38:53,012 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 77 out of 103 [2024-11-16 23:38:53,014 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 95 places, 88 transitions, 206 flow. Second operand has 3 states, 3 states have (on average 79.33333333333333) internal successors, (238), 3 states have internal predecessors, (238), 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) [2024-11-16 23:38:53,015 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:38:53,016 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 77 of 103 [2024-11-16 23:38:53,016 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:38:53,136 INFO L124 PetriNetUnfolderBase]: 84/461 cut-off events. [2024-11-16 23:38:53,137 INFO L125 PetriNetUnfolderBase]: For 57/60 co-relation queries the response was YES. [2024-11-16 23:38:53,139 INFO L83 FinitePrefix]: Finished finitePrefix Result has 732 conditions, 461 events. 84/461 cut-off events. For 57/60 co-relation queries the response was YES. Maximal size of possible extension queue 31. Compared 2526 event pairs, 56 based on Foata normal form. 0/425 useless extension candidates. Maximal degree in co-relation 686. Up to 165 conditions per place. [2024-11-16 23:38:53,143 INFO L140 encePairwiseOnDemand]: 98/103 looper letters, 24 selfloop transitions, 4 changer transitions 0/95 dead transitions. [2024-11-16 23:38:53,143 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 94 places, 95 transitions, 280 flow [2024-11-16 23:38:53,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:38:53,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:38:53,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 258 transitions. [2024-11-16 23:38:53,149 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8349514563106796 [2024-11-16 23:38:53,149 INFO L175 Difference]: Start difference. First operand has 95 places, 88 transitions, 206 flow. Second operand 3 states and 258 transitions. [2024-11-16 23:38:53,149 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 94 places, 95 transitions, 280 flow [2024-11-16 23:38:53,151 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 92 places, 95 transitions, 268 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-16 23:38:53,153 INFO L231 Difference]: Finished difference. Result has 94 places, 91 transitions, 228 flow [2024-11-16 23:38:53,153 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=103, PETRI_DIFFERENCE_MINUEND_FLOW=196, PETRI_DIFFERENCE_MINUEND_PLACES=90, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=88, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=84, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=228, PETRI_PLACES=94, PETRI_TRANSITIONS=91} [2024-11-16 23:38:53,154 INFO L277 CegarLoopForPetriNet]: 97 programPoint places, -3 predicate places. [2024-11-16 23:38:53,154 INFO L471 AbstractCegarLoop]: Abstraction has has 94 places, 91 transitions, 228 flow [2024-11-16 23:38:53,155 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 79.33333333333333) internal successors, (238), 3 states have internal predecessors, (238), 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) [2024-11-16 23:38:53,155 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:38:53,155 INFO L204 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] [2024-11-16 23:38:53,155 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-16 23:38:53,156 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-11-16 23:38:53,156 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:38:53,156 INFO L85 PathProgramCache]: Analyzing trace with hash 1384743857, now seen corresponding path program 1 times [2024-11-16 23:38:53,157 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:38:53,158 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [589241367] [2024-11-16 23:38:53,158 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:38:53,158 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:38:53,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:38:53,362 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:38:53,363 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:38:53,363 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [589241367] [2024-11-16 23:38:53,363 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [589241367] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:38:53,363 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:38:53,363 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-16 23:38:53,364 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1381589274] [2024-11-16 23:38:53,364 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:38:53,364 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:38:53,365 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:38:53,365 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:38:53,365 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:38:53,389 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 84 out of 103 [2024-11-16 23:38:53,390 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 94 places, 91 transitions, 228 flow. Second operand has 3 states, 3 states have (on average 86.0) internal successors, (258), 3 states have internal predecessors, (258), 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) [2024-11-16 23:38:53,390 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:38:53,390 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 84 of 103 [2024-11-16 23:38:53,391 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:38:53,471 INFO L124 PetriNetUnfolderBase]: 27/299 cut-off events. [2024-11-16 23:38:53,472 INFO L125 PetriNetUnfolderBase]: For 17/17 co-relation queries the response was YES. [2024-11-16 23:38:53,474 INFO L83 FinitePrefix]: Finished finitePrefix Result has 434 conditions, 299 events. 27/299 cut-off events. For 17/17 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 1298 event pairs, 14 based on Foata normal form. 3/289 useless extension candidates. Maximal degree in co-relation 388. Up to 63 conditions per place. [2024-11-16 23:38:53,475 INFO L140 encePairwiseOnDemand]: 96/103 looper letters, 11 selfloop transitions, 6 changer transitions 3/95 dead transitions. [2024-11-16 23:38:53,476 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 95 places, 95 transitions, 262 flow [2024-11-16 23:38:53,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:38:53,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:38:53,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 274 transitions. [2024-11-16 23:38:53,478 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8867313915857605 [2024-11-16 23:38:53,478 INFO L175 Difference]: Start difference. First operand has 94 places, 91 transitions, 228 flow. Second operand 3 states and 274 transitions. [2024-11-16 23:38:53,478 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 95 places, 95 transitions, 262 flow [2024-11-16 23:38:53,480 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 91 places, 95 transitions, 250 flow, removed 2 selfloop flow, removed 4 redundant places. [2024-11-16 23:38:53,481 INFO L231 Difference]: Finished difference. Result has 92 places, 89 transitions, 222 flow [2024-11-16 23:38:53,482 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=103, PETRI_DIFFERENCE_MINUEND_FLOW=194, PETRI_DIFFERENCE_MINUEND_PLACES=89, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=87, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=81, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=222, PETRI_PLACES=92, PETRI_TRANSITIONS=89} [2024-11-16 23:38:53,482 INFO L277 CegarLoopForPetriNet]: 97 programPoint places, -5 predicate places. [2024-11-16 23:38:53,482 INFO L471 AbstractCegarLoop]: Abstraction has has 92 places, 89 transitions, 222 flow [2024-11-16 23:38:53,483 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 86.0) internal successors, (258), 3 states have internal predecessors, (258), 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) [2024-11-16 23:38:53,483 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:38:53,483 INFO L204 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] [2024-11-16 23:38:53,483 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-16 23:38:53,483 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)] === [2024-11-16 23:38:53,484 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:38:53,484 INFO L85 PathProgramCache]: Analyzing trace with hash -502261957, now seen corresponding path program 1 times [2024-11-16 23:38:53,484 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:38:53,484 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1998716831] [2024-11-16 23:38:53,484 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:38:53,484 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:38:53,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:38:53,558 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:38:53,559 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:38:53,559 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1998716831] [2024-11-16 23:38:53,560 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1998716831] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:38:53,560 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:38:53,560 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 23:38:53,560 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1112395598] [2024-11-16 23:38:53,561 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:38:53,561 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:38:53,562 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:38:53,563 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:38:53,564 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:38:53,591 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 77 out of 103 [2024-11-16 23:38:53,592 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 92 places, 89 transitions, 222 flow. Second operand has 3 states, 3 states have (on average 80.33333333333333) internal successors, (241), 3 states have internal predecessors, (241), 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) [2024-11-16 23:38:53,592 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:38:53,592 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 77 of 103 [2024-11-16 23:38:53,592 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:38:53,664 INFO L124 PetriNetUnfolderBase]: 50/336 cut-off events. [2024-11-16 23:38:53,664 INFO L125 PetriNetUnfolderBase]: For 84/89 co-relation queries the response was YES. [2024-11-16 23:38:53,665 INFO L83 FinitePrefix]: Finished finitePrefix Result has 602 conditions, 336 events. 50/336 cut-off events. For 84/89 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 1586 event pairs, 26 based on Foata normal form. 0/318 useless extension candidates. Maximal degree in co-relation 556. Up to 109 conditions per place. [2024-11-16 23:38:53,665 INFO L140 encePairwiseOnDemand]: 98/103 looper letters, 19 selfloop transitions, 4 changer transitions 8/96 dead transitions. [2024-11-16 23:38:53,666 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 94 places, 96 transitions, 306 flow [2024-11-16 23:38:53,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:38:53,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:38:53,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 258 transitions. [2024-11-16 23:38:53,668 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8349514563106796 [2024-11-16 23:38:53,668 INFO L175 Difference]: Start difference. First operand has 92 places, 89 transitions, 222 flow. Second operand 3 states and 258 transitions. [2024-11-16 23:38:53,668 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 94 places, 96 transitions, 306 flow [2024-11-16 23:38:53,669 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 93 places, 96 transitions, 296 flow, removed 1 selfloop flow, removed 1 redundant places. [2024-11-16 23:38:53,671 INFO L231 Difference]: Finished difference. Result has 95 places, 86 transitions, 224 flow [2024-11-16 23:38:53,671 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=103, PETRI_DIFFERENCE_MINUEND_FLOW=214, PETRI_DIFFERENCE_MINUEND_PLACES=91, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=89, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=85, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=224, PETRI_PLACES=95, PETRI_TRANSITIONS=86} [2024-11-16 23:38:53,673 INFO L277 CegarLoopForPetriNet]: 97 programPoint places, -2 predicate places. [2024-11-16 23:38:53,674 INFO L471 AbstractCegarLoop]: Abstraction has has 95 places, 86 transitions, 224 flow [2024-11-16 23:38:53,675 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 80.33333333333333) internal successors, (241), 3 states have internal predecessors, (241), 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) [2024-11-16 23:38:53,675 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:38:53,675 INFO L204 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] [2024-11-16 23:38:53,675 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-16 23:38:53,675 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-11-16 23:38:53,676 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:38:53,676 INFO L85 PathProgramCache]: Analyzing trace with hash -84340640, now seen corresponding path program 1 times [2024-11-16 23:38:53,676 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:38:53,676 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [397565137] [2024-11-16 23:38:53,678 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:38:53,678 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:38:53,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:38:53,894 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:38:53,894 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:38:53,894 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [397565137] [2024-11-16 23:38:53,894 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [397565137] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:38:53,895 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:38:53,895 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-16 23:38:53,895 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [353326710] [2024-11-16 23:38:53,895 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:38:53,895 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-16 23:38:53,896 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:38:53,896 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-16 23:38:53,897 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-16 23:38:53,944 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 83 out of 103 [2024-11-16 23:38:53,945 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 95 places, 86 transitions, 224 flow. Second operand has 5 states, 5 states have (on average 84.8) internal successors, (424), 5 states have internal predecessors, (424), 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) [2024-11-16 23:38:53,945 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:38:53,945 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 83 of 103 [2024-11-16 23:38:53,945 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:38:54,004 INFO L124 PetriNetUnfolderBase]: 1/90 cut-off events. [2024-11-16 23:38:54,004 INFO L125 PetriNetUnfolderBase]: For 14/14 co-relation queries the response was YES. [2024-11-16 23:38:54,004 INFO L83 FinitePrefix]: Finished finitePrefix Result has 138 conditions, 90 events. 1/90 cut-off events. For 14/14 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 42 event pairs, 0 based on Foata normal form. 6/95 useless extension candidates. Maximal degree in co-relation 114. Up to 10 conditions per place. [2024-11-16 23:38:54,005 INFO L140 encePairwiseOnDemand]: 96/103 looper letters, 0 selfloop transitions, 0 changer transitions 78/78 dead transitions. [2024-11-16 23:38:54,005 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 91 places, 78 transitions, 222 flow [2024-11-16 23:38:54,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-16 23:38:54,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-11-16 23:38:54,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 430 transitions. [2024-11-16 23:38:54,006 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8349514563106796 [2024-11-16 23:38:54,006 INFO L175 Difference]: Start difference. First operand has 95 places, 86 transitions, 224 flow. Second operand 5 states and 430 transitions. [2024-11-16 23:38:54,006 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 91 places, 78 transitions, 222 flow [2024-11-16 23:38:54,008 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 86 places, 78 transitions, 197 flow, removed 4 selfloop flow, removed 5 redundant places. [2024-11-16 23:38:54,009 INFO L231 Difference]: Finished difference. Result has 86 places, 0 transitions, 0 flow [2024-11-16 23:38:54,009 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=103, PETRI_DIFFERENCE_MINUEND_FLOW=170, PETRI_DIFFERENCE_MINUEND_PLACES=82, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=77, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=77, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=0, PETRI_PLACES=86, PETRI_TRANSITIONS=0} [2024-11-16 23:38:54,010 INFO L277 CegarLoopForPetriNet]: 97 programPoint places, -11 predicate places. [2024-11-16 23:38:54,010 INFO L471 AbstractCegarLoop]: Abstraction has has 86 places, 0 transitions, 0 flow [2024-11-16 23:38:54,011 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 84.8) internal successors, (424), 5 states have internal predecessors, (424), 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) [2024-11-16 23:38:54,013 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (6 of 7 remaining) [2024-11-16 23:38:54,014 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (5 of 7 remaining) [2024-11-16 23:38:54,014 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (4 of 7 remaining) [2024-11-16 23:38:54,015 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (3 of 7 remaining) [2024-11-16 23:38:54,015 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (2 of 7 remaining) [2024-11-16 23:38:54,015 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (1 of 7 remaining) [2024-11-16 23:38:54,016 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (0 of 7 remaining) [2024-11-16 23:38:54,016 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-16 23:38:54,016 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2024-11-16 23:38:54,024 INFO L239 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-16 23:38:54,024 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-16 23:38:54,030 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.11 11:38:54 BasicIcfg [2024-11-16 23:38:54,030 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-16 23:38:54,031 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-16 23:38:54,032 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-16 23:38:54,032 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-16 23:38:54,032 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 11:38:52" (3/4) ... [2024-11-16 23:38:54,036 INFO L143 WitnessPrinter]: Generating witness for correct program [2024-11-16 23:38:54,039 INFO L393 IcfgBacktranslator]: Ignoring RootEdge to procedure t_fun [2024-11-16 23:38:54,044 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2024-11-16 23:38:54,044 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-16 23:38:54,045 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-11-16 23:38:54,045 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-16 23:38:54,137 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-16 23:38:54,138 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-11-16 23:38:54,138 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-16 23:38:54,138 INFO L158 Benchmark]: Toolchain (without parser) took 3260.22ms. Allocated memory was 153.1MB in the beginning and 197.1MB in the end (delta: 44.0MB). Free memory was 121.5MB in the beginning and 90.5MB in the end (delta: 31.0MB). Peak memory consumption was 76.6MB. Max. memory is 16.1GB. [2024-11-16 23:38:54,139 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 153.1MB. Free memory was 110.8MB in the beginning and 110.7MB in the end (delta: 139.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-16 23:38:54,139 INFO L158 Benchmark]: CACSL2BoogieTranslator took 515.27ms. Allocated memory is still 153.1MB. Free memory was 121.5MB in the beginning and 99.0MB in the end (delta: 22.5MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2024-11-16 23:38:54,142 INFO L158 Benchmark]: Boogie Procedure Inliner took 47.43ms. Allocated memory is still 153.1MB. Free memory was 99.0MB in the beginning and 96.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-16 23:38:54,142 INFO L158 Benchmark]: Boogie Preprocessor took 28.32ms. Allocated memory is still 153.1MB. Free memory was 96.9MB in the beginning and 95.9MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-16 23:38:54,143 INFO L158 Benchmark]: IcfgBuilder took 534.86ms. Allocated memory is still 153.1MB. Free memory was 95.9MB in the beginning and 78.6MB in the end (delta: 17.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-16 23:38:54,143 INFO L158 Benchmark]: TraceAbstraction took 2020.54ms. Allocated memory was 153.1MB in the beginning and 197.1MB in the end (delta: 44.0MB). Free memory was 78.1MB in the beginning and 94.7MB in the end (delta: -16.6MB). Peak memory consumption was 30.5MB. Max. memory is 16.1GB. [2024-11-16 23:38:54,143 INFO L158 Benchmark]: Witness Printer took 107.32ms. Allocated memory is still 197.1MB. Free memory was 94.7MB in the beginning and 90.5MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-16 23:38:54,145 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 153.1MB. Free memory was 110.8MB in the beginning and 110.7MB in the end (delta: 139.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 515.27ms. Allocated memory is still 153.1MB. Free memory was 121.5MB in the beginning and 99.0MB in the end (delta: 22.5MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 47.43ms. Allocated memory is still 153.1MB. Free memory was 99.0MB in the beginning and 96.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 28.32ms. Allocated memory is still 153.1MB. Free memory was 96.9MB in the beginning and 95.9MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * IcfgBuilder took 534.86ms. Allocated memory is still 153.1MB. Free memory was 95.9MB in the beginning and 78.6MB in the end (delta: 17.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 2020.54ms. Allocated memory was 153.1MB in the beginning and 197.1MB in the end (delta: 44.0MB). Free memory was 78.1MB in the beginning and 94.7MB in the end (delta: -16.6MB). Peak memory consumption was 30.5MB. Max. memory is 16.1GB. * Witness Printer took 107.32ms. Allocated memory is still 197.1MB. Free memory was 94.7MB in the beginning and 90.5MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 697]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 701]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 687]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 690]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 129 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: 1.9s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 152 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 78 mSDsluCounter, 22 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 17 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 236 IncrementalHoareTripleChecker+Invalid, 253 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 17 mSolverCounterUnsat, 22 mSDtfsCounter, 236 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 17 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=228occurred in iteration=2, InterpolantAutomatonStates: 17, 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, 238 NumberOfCodeBlocks, 238 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 233 ConstructedInterpolants, 0 QuantifiedInterpolants, 390 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 - AllSpecificationsHoldResult: All specifications hold 4 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-11-16 23:38:54,178 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/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