./Ultimate.py --spec ../sv-benchmarks/c/properties/no-data-race.prp --file ../sv-benchmarks/c/goblint-regression/13-privatized_41-traces-ex-7_unknown_1_pos.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 798a7b37 Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/goblint-regression/13-privatized_41-traces-ex-7_unknown_1_pos.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 64b25926fb6c7e27855d812b862643321480d6d0eb308c80224ee02bfde27516 --- Real Ultimate output --- This is Ultimate 0.3.0-?-798a7b3-m [2025-03-04 06:48:53,448 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-04 06:48:53,507 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2025-03-04 06:48:53,512 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-04 06:48:53,514 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-04 06:48:53,531 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-04 06:48:53,532 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-04 06:48:53,532 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-04 06:48:53,532 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-04 06:48:53,533 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-04 06:48:53,533 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-04 06:48:53,534 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-04 06:48:53,534 INFO L153 SettingsManager]: * Use SBE=true [2025-03-04 06:48:53,534 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-04 06:48:53,534 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-04 06:48:53,534 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-04 06:48:53,534 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-04 06:48:53,535 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-04 06:48:53,535 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-04 06:48:53,535 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-04 06:48:53,535 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-04 06:48:53,535 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-04 06:48:53,535 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2025-03-04 06:48:53,535 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-03-04 06:48:53,535 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-04 06:48:53,535 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-04 06:48:53,535 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-04 06:48:53,535 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-04 06:48:53,535 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-04 06:48:53,535 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-04 06:48:53,536 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-04 06:48:53,536 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-04 06:48:53,536 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-04 06:48:53,536 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-04 06:48:53,536 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-04 06:48:53,536 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-04 06:48:53,536 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-04 06:48:53,536 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-04 06:48:53,536 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-04 06:48:53,537 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-04 06:48:53,537 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-04 06:48:53,537 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-04 06:48:53,537 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 64b25926fb6c7e27855d812b862643321480d6d0eb308c80224ee02bfde27516 [2025-03-04 06:48:53,754 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-04 06:48:53,759 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-04 06:48:53,761 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-04 06:48:53,762 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-04 06:48:53,762 INFO L274 PluginConnector]: CDTParser initialized [2025-03-04 06:48:53,763 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/goblint-regression/13-privatized_41-traces-ex-7_unknown_1_pos.i [2025-03-04 06:48:54,908 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8011c7037/4a375d653ce14b6d9637cb2ca878af97/FLAGb15414d4c [2025-03-04 06:48:55,221 INFO L384 CDTParser]: Found 1 translation units. [2025-03-04 06:48:55,225 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/goblint-regression/13-privatized_41-traces-ex-7_unknown_1_pos.i [2025-03-04 06:48:55,237 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8011c7037/4a375d653ce14b6d9637cb2ca878af97/FLAGb15414d4c [2025-03-04 06:48:55,487 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8011c7037/4a375d653ce14b6d9637cb2ca878af97 [2025-03-04 06:48:55,490 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-04 06:48:55,492 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-04 06:48:55,493 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-04 06:48:55,493 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-04 06:48:55,496 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-04 06:48:55,497 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.03 06:48:55" (1/1) ... [2025-03-04 06:48:55,497 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4935499a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 06:48:55, skipping insertion in model container [2025-03-04 06:48:55,499 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.03 06:48:55" (1/1) ... [2025-03-04 06:48:55,522 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-04 06:48:55,701 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-04 06:48:55,714 INFO L200 MainTranslator]: Completed pre-run [2025-03-04 06:48:55,753 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-04 06:48:55,782 INFO L204 MainTranslator]: Completed translation [2025-03-04 06:48:55,783 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 06:48:55 WrapperNode [2025-03-04 06:48:55,783 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-04 06:48:55,784 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-04 06:48:55,784 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-04 06:48:55,784 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-04 06:48:55,788 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 06:48:55" (1/1) ... [2025-03-04 06:48:55,797 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 06:48:55" (1/1) ... [2025-03-04 06:48:55,811 INFO L138 Inliner]: procedures = 162, calls = 28, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 51 [2025-03-04 06:48:55,813 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-04 06:48:55,814 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-04 06:48:55,814 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-04 06:48:55,814 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-04 06:48:55,819 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 06:48:55" (1/1) ... [2025-03-04 06:48:55,820 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 06:48:55" (1/1) ... [2025-03-04 06:48:55,825 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 06:48:55" (1/1) ... [2025-03-04 06:48:55,826 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 06:48:55" (1/1) ... [2025-03-04 06:48:55,830 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 06:48:55" (1/1) ... [2025-03-04 06:48:55,830 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 06:48:55" (1/1) ... [2025-03-04 06:48:55,831 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 06:48:55" (1/1) ... [2025-03-04 06:48:55,831 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 06:48:55" (1/1) ... [2025-03-04 06:48:55,832 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-04 06:48:55,833 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-04 06:48:55,833 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-04 06:48:55,833 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-04 06:48:55,834 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 06:48:55" (1/1) ... [2025-03-04 06:48:55,837 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-04 06:48:55,851 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 06:48:55,863 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-03-04 06:48:55,864 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-03-04 06:48:55,878 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2025-03-04 06:48:55,878 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-04 06:48:55,879 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2025-03-04 06:48:55,879 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2025-03-04 06:48:55,879 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2025-03-04 06:48:55,879 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2025-03-04 06:48:55,879 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-04 06:48:55,879 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-04 06:48:55,879 WARN L225 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2025-03-04 06:48:55,959 INFO L256 CfgBuilder]: Building ICFG [2025-03-04 06:48:55,960 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-04 06:48:56,070 INFO L303 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-03-04 06:48:56,070 INFO L307 CfgBuilder]: Performing block encoding [2025-03-04 06:48:56,099 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-04 06:48:56,100 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-04 06:48:56,100 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 04.03 06:48:56 BoogieIcfgContainer [2025-03-04 06:48:56,100 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-04 06:48:56,101 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-04 06:48:56,102 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-04 06:48:56,104 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-04 06:48:56,105 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.03 06:48:55" (1/3) ... [2025-03-04 06:48:56,105 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ea856c9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.03 06:48:56, skipping insertion in model container [2025-03-04 06:48:56,105 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 06:48:55" (2/3) ... [2025-03-04 06:48:56,105 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ea856c9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.03 06:48:56, skipping insertion in model container [2025-03-04 06:48:56,105 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 04.03 06:48:56" (3/3) ... [2025-03-04 06:48:56,106 INFO L128 eAbstractionObserver]: Analyzing ICFG 13-privatized_41-traces-ex-7_unknown_1_pos.i [2025-03-04 06:48:56,120 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-04 06:48:56,121 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG 13-privatized_41-traces-ex-7_unknown_1_pos.i that has 2 procedures, 73 locations, 1 initial locations, 0 loop locations, and 2 error locations. [2025-03-04 06:48:56,122 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-03-04 06:48:56,157 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2025-03-04 06:48:56,187 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 76 places, 74 transitions, 152 flow [2025-03-04 06:48:56,231 INFO L124 PetriNetUnfolderBase]: 2/73 cut-off events. [2025-03-04 06:48:56,234 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-03-04 06:48:56,239 INFO L83 FinitePrefix]: Finished finitePrefix Result has 77 conditions, 73 events. 2/73 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 63 event pairs, 0 based on Foata normal form. 0/69 useless extension candidates. Maximal degree in co-relation 45. Up to 2 conditions per place. [2025-03-04 06:48:56,240 INFO L82 GeneralOperation]: Start removeDead. Operand has 76 places, 74 transitions, 152 flow [2025-03-04 06:48:56,244 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 75 places, 73 transitions, 149 flow [2025-03-04 06:48:56,249 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-04 06:48:56,257 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;@3cc574a1, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-04 06:48:56,257 INFO L334 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2025-03-04 06:48:56,267 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2025-03-04 06:48:56,267 INFO L124 PetriNetUnfolderBase]: 0/46 cut-off events. [2025-03-04 06:48:56,267 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-03-04 06:48:56,267 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-04 06:48:56,268 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 06:48:56,268 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONDATA_RACE (and 1 more)] === [2025-03-04 06:48:56,275 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 06:48:56,275 INFO L85 PathProgramCache]: Analyzing trace with hash 241973393, now seen corresponding path program 1 times [2025-03-04 06:48:56,280 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 06:48:56,281 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [942752538] [2025-03-04 06:48:56,281 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 06:48:56,281 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 06:48:56,354 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 37 statements into 1 equivalence classes. [2025-03-04 06:48:56,373 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 37 of 37 statements. [2025-03-04 06:48:56,376 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 06:48:56,376 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 06:48:56,481 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 06:48:56,482 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 06:48:56,482 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [942752538] [2025-03-04 06:48:56,482 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [942752538] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 06:48:56,483 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 06:48:56,483 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-04 06:48:56,484 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [395057578] [2025-03-04 06:48:56,485 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 06:48:56,490 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-04 06:48:56,495 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 06:48:56,518 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-04 06:48:56,518 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-04 06:48:56,541 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 57 out of 74 [2025-03-04 06:48:56,544 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 75 places, 73 transitions, 149 flow. Second operand has 3 states, 3 states have (on average 59.0) internal successors, (177), 3 states have internal predecessors, (177), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 06:48:56,545 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-04 06:48:56,545 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 57 of 74 [2025-03-04 06:48:56,546 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-04 06:48:56,651 INFO L124 PetriNetUnfolderBase]: 32/193 cut-off events. [2025-03-04 06:48:56,651 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2025-03-04 06:48:56,652 INFO L83 FinitePrefix]: Finished finitePrefix Result has 278 conditions, 193 events. 32/193 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 697 event pairs, 24 based on Foata normal form. 17/203 useless extension candidates. Maximal degree in co-relation 244. Up to 64 conditions per place. [2025-03-04 06:48:56,653 INFO L140 encePairwiseOnDemand]: 67/74 looper letters, 16 selfloop transitions, 4 changer transitions 0/75 dead transitions. [2025-03-04 06:48:56,653 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 75 places, 75 transitions, 193 flow [2025-03-04 06:48:56,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-04 06:48:56,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-04 06:48:56,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 196 transitions. [2025-03-04 06:48:56,667 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8828828828828829 [2025-03-04 06:48:56,668 INFO L175 Difference]: Start difference. First operand has 75 places, 73 transitions, 149 flow. Second operand 3 states and 196 transitions. [2025-03-04 06:48:56,668 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 75 places, 75 transitions, 193 flow [2025-03-04 06:48:56,671 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 74 places, 75 transitions, 192 flow, removed 0 selfloop flow, removed 1 redundant places. [2025-03-04 06:48:56,676 INFO L231 Difference]: Finished difference. Result has 76 places, 72 transitions, 170 flow [2025-03-04 06:48:56,678 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=74, PETRI_DIFFERENCE_MINUEND_FLOW=140, PETRI_DIFFERENCE_MINUEND_PLACES=72, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=69, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=65, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=170, PETRI_PLACES=76, PETRI_TRANSITIONS=72} [2025-03-04 06:48:56,681 INFO L279 CegarLoopForPetriNet]: 75 programPoint places, 1 predicate places. [2025-03-04 06:48:56,682 INFO L471 AbstractCegarLoop]: Abstraction has has 76 places, 72 transitions, 170 flow [2025-03-04 06:48:56,683 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 59.0) internal successors, (177), 3 states have internal predecessors, (177), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 06:48:56,683 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-04 06:48:56,683 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] [2025-03-04 06:48:56,684 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-03-04 06:48:56,684 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONDATA_RACE (and 1 more)] === [2025-03-04 06:48:56,684 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 06:48:56,685 INFO L85 PathProgramCache]: Analyzing trace with hash -450660875, now seen corresponding path program 1 times [2025-03-04 06:48:56,685 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 06:48:56,685 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [174501308] [2025-03-04 06:48:56,685 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 06:48:56,686 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 06:48:56,700 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 38 statements into 1 equivalence classes. [2025-03-04 06:48:56,707 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 38 of 38 statements. [2025-03-04 06:48:56,707 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 06:48:56,707 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 06:48:56,739 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 06:48:56,739 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 06:48:56,739 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [174501308] [2025-03-04 06:48:56,739 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [174501308] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 06:48:56,739 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 06:48:56,739 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-04 06:48:56,740 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2013237451] [2025-03-04 06:48:56,740 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 06:48:56,740 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-04 06:48:56,741 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 06:48:56,741 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-04 06:48:56,741 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-04 06:48:56,747 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 59 out of 74 [2025-03-04 06:48:56,748 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 76 places, 72 transitions, 170 flow. Second operand has 3 states, 3 states have (on average 61.0) internal successors, (183), 3 states have internal predecessors, (183), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 06:48:56,748 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-04 06:48:56,748 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 59 of 74 [2025-03-04 06:48:56,748 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-04 06:48:56,819 INFO L124 PetriNetUnfolderBase]: 30/284 cut-off events. [2025-03-04 06:48:56,819 INFO L125 PetriNetUnfolderBase]: For 27/29 co-relation queries the response was YES. [2025-03-04 06:48:56,820 INFO L83 FinitePrefix]: Finished finitePrefix Result has 414 conditions, 284 events. 30/284 cut-off events. For 27/29 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 1363 event pairs, 17 based on Foata normal form. 0/271 useless extension candidates. Maximal degree in co-relation 379. Up to 51 conditions per place. [2025-03-04 06:48:56,821 INFO L140 encePairwiseOnDemand]: 70/74 looper letters, 13 selfloop transitions, 3 changer transitions 5/78 dead transitions. [2025-03-04 06:48:56,821 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 78 places, 78 transitions, 224 flow [2025-03-04 06:48:56,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-04 06:48:56,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-04 06:48:56,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 196 transitions. [2025-03-04 06:48:56,824 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8828828828828829 [2025-03-04 06:48:56,824 INFO L175 Difference]: Start difference. First operand has 76 places, 72 transitions, 170 flow. Second operand 3 states and 196 transitions. [2025-03-04 06:48:56,824 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 78 places, 78 transitions, 224 flow [2025-03-04 06:48:56,825 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 76 places, 78 transitions, 214 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-03-04 06:48:56,827 INFO L231 Difference]: Finished difference. Result has 78 places, 71 transitions, 176 flow [2025-03-04 06:48:56,827 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=74, PETRI_DIFFERENCE_MINUEND_FLOW=162, PETRI_DIFFERENCE_MINUEND_PLACES=74, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=72, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=69, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=176, PETRI_PLACES=78, PETRI_TRANSITIONS=71} [2025-03-04 06:48:56,828 INFO L279 CegarLoopForPetriNet]: 75 programPoint places, 3 predicate places. [2025-03-04 06:48:56,828 INFO L471 AbstractCegarLoop]: Abstraction has has 78 places, 71 transitions, 176 flow [2025-03-04 06:48:56,828 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 61.0) internal successors, (183), 3 states have internal predecessors, (183), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 06:48:56,828 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-04 06:48:56,828 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 06:48:56,829 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-03-04 06:48:56,829 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONDATA_RACE (and 1 more)] === [2025-03-04 06:48:56,829 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 06:48:56,830 INFO L85 PathProgramCache]: Analyzing trace with hash 514947370, now seen corresponding path program 1 times [2025-03-04 06:48:56,830 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 06:48:56,830 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [978569680] [2025-03-04 06:48:56,830 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 06:48:56,830 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 06:48:56,846 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 46 statements into 1 equivalence classes. [2025-03-04 06:48:56,860 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 46 of 46 statements. [2025-03-04 06:48:56,861 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 06:48:56,861 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 06:48:57,090 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 06:48:57,090 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 06:48:57,090 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [978569680] [2025-03-04 06:48:57,090 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [978569680] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 06:48:57,090 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 06:48:57,091 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2025-03-04 06:48:57,091 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1867767522] [2025-03-04 06:48:57,091 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 06:48:57,091 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-04 06:48:57,091 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 06:48:57,092 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-04 06:48:57,092 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2025-03-04 06:48:57,158 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 61 out of 74 [2025-03-04 06:48:57,159 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 78 places, 71 transitions, 176 flow. Second operand has 6 states, 6 states have (on average 62.333333333333336) internal successors, (374), 6 states have internal predecessors, (374), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 06:48:57,159 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-04 06:48:57,159 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 61 of 74 [2025-03-04 06:48:57,159 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-04 06:48:57,205 INFO L124 PetriNetUnfolderBase]: 8/147 cut-off events. [2025-03-04 06:48:57,205 INFO L125 PetriNetUnfolderBase]: For 14/14 co-relation queries the response was YES. [2025-03-04 06:48:57,206 INFO L83 FinitePrefix]: Finished finitePrefix Result has 206 conditions, 147 events. 8/147 cut-off events. For 14/14 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 360 event pairs, 3 based on Foata normal form. 3/146 useless extension candidates. Maximal degree in co-relation 168. Up to 15 conditions per place. [2025-03-04 06:48:57,207 INFO L140 encePairwiseOnDemand]: 69/74 looper letters, 0 selfloop transitions, 0 changer transitions 70/70 dead transitions. [2025-03-04 06:48:57,207 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 80 places, 70 transitions, 184 flow [2025-03-04 06:48:57,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-04 06:48:57,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2025-03-04 06:48:57,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 320 transitions. [2025-03-04 06:48:57,208 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8648648648648649 [2025-03-04 06:48:57,208 INFO L175 Difference]: Start difference. First operand has 78 places, 71 transitions, 176 flow. Second operand 5 states and 320 transitions. [2025-03-04 06:48:57,208 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 80 places, 70 transitions, 184 flow [2025-03-04 06:48:57,209 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 75 places, 70 transitions, 169 flow, removed 4 selfloop flow, removed 5 redundant places. [2025-03-04 06:48:57,210 INFO L231 Difference]: Finished difference. Result has 75 places, 0 transitions, 0 flow [2025-03-04 06:48:57,210 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=74, PETRI_DIFFERENCE_MINUEND_FLOW=137, PETRI_DIFFERENCE_MINUEND_PLACES=71, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=67, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=67, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=0, PETRI_PLACES=75, PETRI_TRANSITIONS=0} [2025-03-04 06:48:57,210 INFO L279 CegarLoopForPetriNet]: 75 programPoint places, 0 predicate places. [2025-03-04 06:48:57,213 INFO L471 AbstractCegarLoop]: Abstraction has has 75 places, 0 transitions, 0 flow [2025-03-04 06:48:57,213 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 62.333333333333336) internal successors, (374), 6 states have internal predecessors, (374), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 06:48:57,216 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (3 of 4 remaining) [2025-03-04 06:48:57,219 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 4 remaining) [2025-03-04 06:48:57,219 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (1 of 4 remaining) [2025-03-04 06:48:57,219 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (0 of 4 remaining) [2025-03-04 06:48:57,219 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-03-04 06:48:57,219 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2025-03-04 06:48:57,223 INFO L241 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2025-03-04 06:48:57,224 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-03-04 06:48:57,229 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 04.03 06:48:57 BasicIcfg [2025-03-04 06:48:57,229 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-03-04 06:48:57,230 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-03-04 06:48:57,230 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-03-04 06:48:57,230 INFO L274 PluginConnector]: Witness Printer initialized [2025-03-04 06:48:57,231 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 04.03 06:48:56" (3/4) ... [2025-03-04 06:48:57,232 INFO L146 WitnessPrinter]: Generating witness for correct program [2025-03-04 06:48:57,234 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure t_fun [2025-03-04 06:48:57,237 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2025-03-04 06:48:57,237 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2025-03-04 06:48:57,238 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2025-03-04 06:48:57,238 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2025-03-04 06:48:57,301 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-03-04 06:48:57,301 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2025-03-04 06:48:57,301 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-03-04 06:48:57,302 INFO L158 Benchmark]: Toolchain (without parser) took 1810.05ms. Allocated memory is still 142.6MB. Free memory was 103.5MB in the beginning and 104.1MB in the end (delta: -579.0kB). Peak memory consumption was 73.7MB. Max. memory is 16.1GB. [2025-03-04 06:48:57,302 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 201.3MB. Free memory is still 126.1MB. There was no memory consumed. Max. memory is 16.1GB. [2025-03-04 06:48:57,302 INFO L158 Benchmark]: CACSL2BoogieTranslator took 289.94ms. Allocated memory is still 142.6MB. Free memory was 103.5MB in the beginning and 84.6MB in the end (delta: 19.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-03-04 06:48:57,303 INFO L158 Benchmark]: Boogie Procedure Inliner took 29.81ms. Allocated memory is still 142.6MB. Free memory was 84.6MB in the beginning and 82.3MB in the end (delta: 2.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-04 06:48:57,304 INFO L158 Benchmark]: Boogie Preprocessor took 18.68ms. Allocated memory is still 142.6MB. Free memory was 82.3MB in the beginning and 81.2MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-04 06:48:57,304 INFO L158 Benchmark]: IcfgBuilder took 266.99ms. Allocated memory is still 142.6MB. Free memory was 81.2MB in the beginning and 67.8MB in the end (delta: 13.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-04 06:48:57,305 INFO L158 Benchmark]: TraceAbstraction took 1127.57ms. Allocated memory is still 142.6MB. Free memory was 66.7MB in the beginning and 36.2MB in the end (delta: 30.5MB). Peak memory consumption was 23.4MB. Max. memory is 16.1GB. [2025-03-04 06:48:57,305 INFO L158 Benchmark]: Witness Printer took 71.13ms. Allocated memory is still 142.6MB. Free memory was 36.2MB in the beginning and 104.1MB in the end (delta: -68.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-04 06:48:57,306 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 201.3MB. Free memory is still 126.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 289.94ms. Allocated memory is still 142.6MB. Free memory was 103.5MB in the beginning and 84.6MB in the end (delta: 19.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 29.81ms. Allocated memory is still 142.6MB. Free memory was 84.6MB in the beginning and 82.3MB in the end (delta: 2.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 18.68ms. Allocated memory is still 142.6MB. Free memory was 82.3MB in the beginning and 81.2MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * IcfgBuilder took 266.99ms. Allocated memory is still 142.6MB. Free memory was 81.2MB in the beginning and 67.8MB in the end (delta: 13.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 1127.57ms. Allocated memory is still 142.6MB. Free memory was 66.7MB in the beginning and 36.2MB in the end (delta: 30.5MB). Peak memory consumption was 23.4MB. Max. memory is 16.1GB. * Witness Printer took 71.13ms. Allocated memory is still 142.6MB. Free memory was 36.2MB in the beginning and 104.1MB in the end (delta: -68.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 698]: 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 - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 92 locations, 4 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: 1.0s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 95 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 54 mSDsluCounter, 23 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 6 mSDsCounter, 7 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 174 IncrementalHoareTripleChecker+Invalid, 181 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 7 mSolverCounterUnsat, 17 mSDtfsCounter, 174 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=176occurred in iteration=2, InterpolantAutomatonStates: 11, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 121 NumberOfCodeBlocks, 121 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 118 ConstructedInterpolants, 0 QuantifiedInterpolants, 243 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 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 2 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2025-03-04 06:48:57,318 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE