./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/no-data-race.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/goblint-regression/05-lval_ls_12-fldsense_nr.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version a046e57d Calling Ultimate with: /root/.sdkman/candidates/java/current/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 /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/goblint-regression/05-lval_ls_12-fldsense_nr.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 f07f53b70b113c395773370086657e2cda4799340cf7206361c323fc526218bf --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-mul-div-a046e57-m [2024-10-13 09:49:23,972 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-13 09:49:24,047 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-10-13 09:49:24,053 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-13 09:49:24,054 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-13 09:49:24,088 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-13 09:49:24,089 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-13 09:49:24,089 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-13 09:49:24,090 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-13 09:49:24,091 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-13 09:49:24,092 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-13 09:49:24,092 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-13 09:49:24,093 INFO L153 SettingsManager]: * Use SBE=true [2024-10-13 09:49:24,095 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-13 09:49:24,095 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-13 09:49:24,095 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-13 09:49:24,096 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-13 09:49:24,096 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-13 09:49:24,096 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-13 09:49:24,096 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-13 09:49:24,097 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-13 09:49:24,101 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-13 09:49:24,101 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-10-13 09:49:24,101 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-13 09:49:24,101 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-13 09:49:24,102 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-13 09:49:24,102 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-13 09:49:24,102 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-13 09:49:24,102 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-13 09:49:24,103 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-13 09:49:24,103 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-13 09:49:24,103 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-13 09:49:24,103 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-13 09:49:24,104 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-13 09:49:24,104 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-13 09:49:24,104 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-13 09:49:24,104 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-13 09:49:24,104 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-13 09:49:24,105 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-13 09:49:24,105 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-13 09:49:24,107 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-13 09:49:24,107 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f07f53b70b113c395773370086657e2cda4799340cf7206361c323fc526218bf [2024-10-13 09:49:24,361 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-13 09:49:24,389 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-13 09:49:24,392 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-13 09:49:24,393 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-13 09:49:24,394 INFO L274 PluginConnector]: CDTParser initialized [2024-10-13 09:49:24,395 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/goblint-regression/05-lval_ls_12-fldsense_nr.i [2024-10-13 09:49:25,876 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-13 09:49:26,119 INFO L384 CDTParser]: Found 1 translation units. [2024-10-13 09:49:26,120 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/goblint-regression/05-lval_ls_12-fldsense_nr.i [2024-10-13 09:49:26,139 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7f16f59ba/0f4b3d98e17d439387fdca2cde425fec/FLAG1faa9c17a [2024-10-13 09:49:26,152 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7f16f59ba/0f4b3d98e17d439387fdca2cde425fec [2024-10-13 09:49:26,154 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-13 09:49:26,155 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-13 09:49:26,156 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-13 09:49:26,156 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-13 09:49:26,161 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-13 09:49:26,162 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 09:49:26" (1/1) ... [2024-10-13 09:49:26,162 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6b2b1e22 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:49:26, skipping insertion in model container [2024-10-13 09:49:26,163 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 09:49:26" (1/1) ... [2024-10-13 09:49:26,203 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-13 09:49:26,519 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-13 09:49:26,536 INFO L200 MainTranslator]: Completed pre-run [2024-10-13 09:49:26,606 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-13 09:49:26,656 INFO L204 MainTranslator]: Completed translation [2024-10-13 09:49:26,657 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:49:26 WrapperNode [2024-10-13 09:49:26,657 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-13 09:49:26,658 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-13 09:49:26,658 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-13 09:49:26,659 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-13 09:49:26,665 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:49:26" (1/1) ... [2024-10-13 09:49:26,682 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:49:26" (1/1) ... [2024-10-13 09:49:26,716 INFO L138 Inliner]: procedures = 162, calls = 29, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 77 [2024-10-13 09:49:26,717 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-13 09:49:26,717 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-13 09:49:26,718 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-13 09:49:26,718 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-13 09:49:26,727 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:49:26" (1/1) ... [2024-10-13 09:49:26,728 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:49:26" (1/1) ... [2024-10-13 09:49:26,732 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:49:26" (1/1) ... [2024-10-13 09:49:26,732 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:49:26" (1/1) ... [2024-10-13 09:49:26,744 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:49:26" (1/1) ... [2024-10-13 09:49:26,749 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:49:26" (1/1) ... [2024-10-13 09:49:26,750 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:49:26" (1/1) ... [2024-10-13 09:49:26,751 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:49:26" (1/1) ... [2024-10-13 09:49:26,759 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-13 09:49:26,763 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-13 09:49:26,766 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-13 09:49:26,766 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-13 09:49:26,767 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:49:26" (1/1) ... [2024-10-13 09:49:26,773 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-13 09:49:26,784 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 09:49:26,800 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) [2024-10-13 09:49:26,807 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 [2024-10-13 09:49:26,851 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-10-13 09:49:26,851 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-10-13 09:49:26,851 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-10-13 09:49:26,852 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-13 09:49:26,852 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2024-10-13 09:49:26,852 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2024-10-13 09:49:26,852 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-10-13 09:49:26,853 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-10-13 09:49:26,853 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-13 09:49:26,853 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-13 09:49:26,854 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-10-13 09:49:26,981 INFO L238 CfgBuilder]: Building ICFG [2024-10-13 09:49:26,983 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-13 09:49:27,193 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-10-13 09:49:27,193 INFO L287 CfgBuilder]: Performing block encoding [2024-10-13 09:49:27,234 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-13 09:49:27,234 INFO L314 CfgBuilder]: Removed 0 assume(true) statements. [2024-10-13 09:49:27,235 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 09:49:27 BoogieIcfgContainer [2024-10-13 09:49:27,235 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-13 09:49:27,237 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-13 09:49:27,237 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-13 09:49:27,240 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-13 09:49:27,241 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 09:49:26" (1/3) ... [2024-10-13 09:49:27,241 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e149a66 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 09:49:27, skipping insertion in model container [2024-10-13 09:49:27,242 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:49:26" (2/3) ... [2024-10-13 09:49:27,242 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e149a66 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 09:49:27, skipping insertion in model container [2024-10-13 09:49:27,242 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 09:49:27" (3/3) ... [2024-10-13 09:49:27,244 INFO L112 eAbstractionObserver]: Analyzing ICFG 05-lval_ls_12-fldsense_nr.i [2024-10-13 09:49:27,263 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-13 09:49:27,263 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2024-10-13 09:49:27,264 INFO L484 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-10-13 09:49:27,336 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-10-13 09:49:27,377 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 110 places, 106 transitions, 216 flow [2024-10-13 09:49:27,437 INFO L124 PetriNetUnfolderBase]: 0/105 cut-off events. [2024-10-13 09:49:27,437 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-10-13 09:49:27,441 INFO L83 FinitePrefix]: Finished finitePrefix Result has 109 conditions, 105 events. 0/105 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 64 event pairs, 0 based on Foata normal form. 0/99 useless extension candidates. Maximal degree in co-relation 0. Up to 1 conditions per place. [2024-10-13 09:49:27,441 INFO L82 GeneralOperation]: Start removeDead. Operand has 110 places, 106 transitions, 216 flow [2024-10-13 09:49:27,447 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 109 places, 105 transitions, 213 flow [2024-10-13 09:49:27,461 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-13 09:49:27,469 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;@6fed717, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-13 09:49:27,470 INFO L334 AbstractCegarLoop]: Starting to check reachability of 9 error locations. [2024-10-13 09:49:27,484 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-10-13 09:49:27,485 INFO L124 PetriNetUnfolderBase]: 0/43 cut-off events. [2024-10-13 09:49:27,485 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-10-13 09:49:27,485 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-13 09:49:27,486 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] [2024-10-13 09:49:27,487 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2024-10-13 09:49:27,493 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 09:49:27,495 INFO L85 PathProgramCache]: Analyzing trace with hash 44161446, now seen corresponding path program 1 times [2024-10-13 09:49:27,504 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 09:49:27,505 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [281467242] [2024-10-13 09:49:27,505 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 09:49:27,506 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 09:49:27,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 09:49:28,431 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 09:49:28,433 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 09:49:28,433 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [281467242] [2024-10-13 09:49:28,434 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [281467242] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 09:49:28,434 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 09:49:28,435 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-13 09:49:28,436 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1021257377] [2024-10-13 09:49:28,437 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 09:49:28,445 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-13 09:49:28,451 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 09:49:28,472 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-13 09:49:28,473 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-10-13 09:49:28,792 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 76 out of 106 [2024-10-13 09:49:28,795 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 109 places, 105 transitions, 213 flow. Second operand has 6 states, 6 states have (on average 77.33333333333333) internal successors, (464), 6 states have internal predecessors, (464), 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) [2024-10-13 09:49:28,795 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-13 09:49:28,795 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 76 of 106 [2024-10-13 09:49:28,796 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-13 09:49:29,225 INFO L124 PetriNetUnfolderBase]: 302/1394 cut-off events. [2024-10-13 09:49:29,225 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-10-13 09:49:29,232 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2057 conditions, 1394 events. 302/1394 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 66. Compared 9419 event pairs, 83 based on Foata normal form. 0/1320 useless extension candidates. Maximal degree in co-relation 2023. Up to 309 conditions per place. [2024-10-13 09:49:29,239 INFO L140 encePairwiseOnDemand]: 84/106 looper letters, 98 selfloop transitions, 42 changer transitions 0/215 dead transitions. [2024-10-13 09:49:29,239 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 114 places, 215 transitions, 713 flow [2024-10-13 09:49:29,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-13 09:49:29,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-10-13 09:49:29,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 598 transitions. [2024-10-13 09:49:29,254 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.940251572327044 [2024-10-13 09:49:29,256 INFO L175 Difference]: Start difference. First operand has 109 places, 105 transitions, 213 flow. Second operand 6 states and 598 transitions. [2024-10-13 09:49:29,257 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 114 places, 215 transitions, 713 flow [2024-10-13 09:49:29,261 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 113 places, 215 transitions, 712 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-10-13 09:49:29,266 INFO L231 Difference]: Finished difference. Result has 118 places, 151 transitions, 528 flow [2024-10-13 09:49:29,268 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=106, PETRI_DIFFERENCE_MINUEND_FLOW=212, PETRI_DIFFERENCE_MINUEND_PLACES=108, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=105, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=85, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=528, PETRI_PLACES=118, PETRI_TRANSITIONS=151} [2024-10-13 09:49:29,271 INFO L277 CegarLoopForPetriNet]: 109 programPoint places, 9 predicate places. [2024-10-13 09:49:29,271 INFO L471 AbstractCegarLoop]: Abstraction has has 118 places, 151 transitions, 528 flow [2024-10-13 09:49:29,272 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 77.33333333333333) internal successors, (464), 6 states have internal predecessors, (464), 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) [2024-10-13 09:49:29,272 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-13 09:49:29,272 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] [2024-10-13 09:49:29,273 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-13 09:49:29,273 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2024-10-13 09:49:29,273 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 09:49:29,274 INFO L85 PathProgramCache]: Analyzing trace with hash 507360683, now seen corresponding path program 1 times [2024-10-13 09:49:29,274 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 09:49:29,274 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1384937270] [2024-10-13 09:49:29,274 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 09:49:29,274 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 09:49:29,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 09:49:29,560 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 09:49:29,561 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 09:49:29,561 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1384937270] [2024-10-13 09:49:29,561 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1384937270] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 09:49:29,561 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 09:49:29,561 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-13 09:49:29,562 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1924707615] [2024-10-13 09:49:29,562 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 09:49:29,563 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-13 09:49:29,563 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 09:49:29,564 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-13 09:49:29,564 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-10-13 09:49:29,820 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 75 out of 106 [2024-10-13 09:49:29,821 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 118 places, 151 transitions, 528 flow. Second operand has 6 states, 6 states have (on average 77.33333333333333) internal successors, (464), 6 states have internal predecessors, (464), 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) [2024-10-13 09:49:29,821 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-13 09:49:29,821 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 75 of 106 [2024-10-13 09:49:29,821 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-13 09:49:30,200 INFO L124 PetriNetUnfolderBase]: 480/1947 cut-off events. [2024-10-13 09:49:30,200 INFO L125 PetriNetUnfolderBase]: For 639/676 co-relation queries the response was YES. [2024-10-13 09:49:30,206 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4061 conditions, 1947 events. 480/1947 cut-off events. For 639/676 co-relation queries the response was YES. Maximal size of possible extension queue 94. Compared 14354 event pairs, 130 based on Foata normal form. 23/1899 useless extension candidates. Maximal degree in co-relation 4023. Up to 698 conditions per place. [2024-10-13 09:49:30,215 INFO L140 encePairwiseOnDemand]: 89/106 looper letters, 112 selfloop transitions, 53 changer transitions 3/242 dead transitions. [2024-10-13 09:49:30,216 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 123 places, 242 transitions, 1232 flow [2024-10-13 09:49:30,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-13 09:49:30,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-10-13 09:49:30,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 558 transitions. [2024-10-13 09:49:30,218 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8773584905660378 [2024-10-13 09:49:30,219 INFO L175 Difference]: Start difference. First operand has 118 places, 151 transitions, 528 flow. Second operand 6 states and 558 transitions. [2024-10-13 09:49:30,219 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 123 places, 242 transitions, 1232 flow [2024-10-13 09:49:30,231 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 123 places, 242 transitions, 1232 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-10-13 09:49:30,235 INFO L231 Difference]: Finished difference. Result has 128 places, 204 transitions, 1044 flow [2024-10-13 09:49:30,236 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=106, PETRI_DIFFERENCE_MINUEND_FLOW=528, PETRI_DIFFERENCE_MINUEND_PLACES=118, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=151, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=14, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=122, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1044, PETRI_PLACES=128, PETRI_TRANSITIONS=204} [2024-10-13 09:49:30,236 INFO L277 CegarLoopForPetriNet]: 109 programPoint places, 19 predicate places. [2024-10-13 09:49:30,237 INFO L471 AbstractCegarLoop]: Abstraction has has 128 places, 204 transitions, 1044 flow [2024-10-13 09:49:30,237 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 77.33333333333333) internal successors, (464), 6 states have internal predecessors, (464), 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) [2024-10-13 09:49:30,237 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-13 09:49:30,237 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] [2024-10-13 09:49:30,238 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-13 09:49:30,238 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2024-10-13 09:49:30,238 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 09:49:30,239 INFO L85 PathProgramCache]: Analyzing trace with hash 564656499, now seen corresponding path program 1 times [2024-10-13 09:49:30,239 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 09:49:30,239 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2013463545] [2024-10-13 09:49:30,239 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 09:49:30,239 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 09:49:30,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 09:49:30,555 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 09:49:30,556 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 09:49:30,556 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2013463545] [2024-10-13 09:49:30,556 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2013463545] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 09:49:30,556 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 09:49:30,557 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-13 09:49:30,557 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1824151166] [2024-10-13 09:49:30,557 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 09:49:30,557 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-13 09:49:30,559 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 09:49:30,560 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-13 09:49:30,560 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-10-13 09:49:30,781 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 73 out of 106 [2024-10-13 09:49:30,783 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 128 places, 204 transitions, 1044 flow. Second operand has 6 states, 6 states have (on average 75.5) internal successors, (453), 6 states have internal predecessors, (453), 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) [2024-10-13 09:49:30,783 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-13 09:49:30,783 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 73 of 106 [2024-10-13 09:49:30,783 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-13 09:49:31,244 INFO L124 PetriNetUnfolderBase]: 630/2490 cut-off events. [2024-10-13 09:49:31,246 INFO L125 PetriNetUnfolderBase]: For 2476/2528 co-relation queries the response was YES. [2024-10-13 09:49:31,254 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6291 conditions, 2490 events. 630/2490 cut-off events. For 2476/2528 co-relation queries the response was YES. Maximal size of possible extension queue 115. Compared 19171 event pairs, 151 based on Foata normal form. 25/2429 useless extension candidates. Maximal degree in co-relation 6247. Up to 957 conditions per place. [2024-10-13 09:49:31,266 INFO L140 encePairwiseOnDemand]: 89/106 looper letters, 154 selfloop transitions, 68 changer transitions 0/298 dead transitions. [2024-10-13 09:49:31,267 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 133 places, 298 transitions, 2024 flow [2024-10-13 09:49:31,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-13 09:49:31,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-10-13 09:49:31,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 540 transitions. [2024-10-13 09:49:31,269 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8490566037735849 [2024-10-13 09:49:31,269 INFO L175 Difference]: Start difference. First operand has 128 places, 204 transitions, 1044 flow. Second operand 6 states and 540 transitions. [2024-10-13 09:49:31,269 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 133 places, 298 transitions, 2024 flow [2024-10-13 09:49:31,283 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 133 places, 298 transitions, 2016 flow, removed 4 selfloop flow, removed 0 redundant places. [2024-10-13 09:49:31,291 INFO L231 Difference]: Finished difference. Result has 138 places, 265 transitions, 1756 flow [2024-10-13 09:49:31,291 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=106, PETRI_DIFFERENCE_MINUEND_FLOW=1036, PETRI_DIFFERENCE_MINUEND_PLACES=128, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=204, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=23, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=162, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1756, PETRI_PLACES=138, PETRI_TRANSITIONS=265} [2024-10-13 09:49:31,292 INFO L277 CegarLoopForPetriNet]: 109 programPoint places, 29 predicate places. [2024-10-13 09:49:31,292 INFO L471 AbstractCegarLoop]: Abstraction has has 138 places, 265 transitions, 1756 flow [2024-10-13 09:49:31,293 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 75.5) internal successors, (453), 6 states have internal predecessors, (453), 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) [2024-10-13 09:49:31,293 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-13 09:49:31,293 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] [2024-10-13 09:49:31,293 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-13 09:49:31,293 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2024-10-13 09:49:31,294 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 09:49:31,294 INFO L85 PathProgramCache]: Analyzing trace with hash -1712932708, now seen corresponding path program 1 times [2024-10-13 09:49:31,294 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 09:49:31,295 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [791986334] [2024-10-13 09:49:31,295 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 09:49:31,295 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 09:49:31,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 09:49:31,382 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 09:49:31,383 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 09:49:31,383 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [791986334] [2024-10-13 09:49:31,383 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [791986334] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 09:49:31,383 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 09:49:31,384 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-13 09:49:31,385 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2020076833] [2024-10-13 09:49:31,385 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 09:49:31,385 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 09:49:31,385 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 09:49:31,386 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 09:49:31,387 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 09:49:31,413 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 97 out of 106 [2024-10-13 09:49:31,414 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 138 places, 265 transitions, 1756 flow. Second operand has 3 states, 3 states have (on average 98.66666666666667) internal successors, (296), 3 states have internal predecessors, (296), 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) [2024-10-13 09:49:31,414 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-13 09:49:31,414 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 97 of 106 [2024-10-13 09:49:31,414 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-13 09:49:31,466 INFO L124 PetriNetUnfolderBase]: 5/194 cut-off events. [2024-10-13 09:49:31,467 INFO L125 PetriNetUnfolderBase]: For 124/124 co-relation queries the response was YES. [2024-10-13 09:49:31,467 INFO L83 FinitePrefix]: Finished finitePrefix Result has 428 conditions, 194 events. 5/194 cut-off events. For 124/124 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 383 event pairs, 3 based on Foata normal form. 2/194 useless extension candidates. Maximal degree in co-relation 379. Up to 19 conditions per place. [2024-10-13 09:49:31,468 INFO L140 encePairwiseOnDemand]: 102/106 looper letters, 5 selfloop transitions, 4 changer transitions 11/103 dead transitions. [2024-10-13 09:49:31,468 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 136 places, 103 transitions, 362 flow [2024-10-13 09:49:31,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 09:49:31,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-13 09:49:31,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 304 transitions. [2024-10-13 09:49:31,470 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9559748427672956 [2024-10-13 09:49:31,470 INFO L175 Difference]: Start difference. First operand has 138 places, 265 transitions, 1756 flow. Second operand 3 states and 304 transitions. [2024-10-13 09:49:31,470 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 136 places, 103 transitions, 362 flow [2024-10-13 09:49:31,472 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 106 places, 103 transitions, 230 flow, removed 26 selfloop flow, removed 30 redundant places. [2024-10-13 09:49:31,473 INFO L231 Difference]: Finished difference. Result has 106 places, 91 transitions, 192 flow [2024-10-13 09:49:31,473 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=106, PETRI_DIFFERENCE_MINUEND_FLOW=204, PETRI_DIFFERENCE_MINUEND_PLACES=104, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=101, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=97, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=192, PETRI_PLACES=106, PETRI_TRANSITIONS=91} [2024-10-13 09:49:31,474 INFO L277 CegarLoopForPetriNet]: 109 programPoint places, -3 predicate places. [2024-10-13 09:49:31,474 INFO L471 AbstractCegarLoop]: Abstraction has has 106 places, 91 transitions, 192 flow [2024-10-13 09:49:31,475 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 98.66666666666667) internal successors, (296), 3 states have internal predecessors, (296), 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) [2024-10-13 09:49:31,475 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-13 09:49:31,475 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] [2024-10-13 09:49:31,475 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-13 09:49:31,475 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2024-10-13 09:49:31,475 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 09:49:31,476 INFO L85 PathProgramCache]: Analyzing trace with hash 332824644, now seen corresponding path program 1 times [2024-10-13 09:49:31,476 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 09:49:31,476 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1557708205] [2024-10-13 09:49:31,476 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 09:49:31,476 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 09:49:31,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 09:49:31,767 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 09:49:31,768 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 09:49:31,768 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1557708205] [2024-10-13 09:49:31,768 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1557708205] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 09:49:31,768 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 09:49:31,768 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-13 09:49:31,769 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [298266187] [2024-10-13 09:49:31,769 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 09:49:31,769 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-13 09:49:31,770 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 09:49:31,770 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-13 09:49:31,770 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-10-13 09:49:32,071 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 87 out of 106 [2024-10-13 09:49:32,072 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 106 places, 91 transitions, 192 flow. Second operand has 6 states, 6 states have (on average 88.66666666666667) internal successors, (532), 6 states have internal predecessors, (532), 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) [2024-10-13 09:49:32,073 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-13 09:49:32,073 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 87 of 106 [2024-10-13 09:49:32,073 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-13 09:49:32,138 INFO L124 PetriNetUnfolderBase]: 21/223 cut-off events. [2024-10-13 09:49:32,138 INFO L125 PetriNetUnfolderBase]: For 26/26 co-relation queries the response was YES. [2024-10-13 09:49:32,138 INFO L83 FinitePrefix]: Finished finitePrefix Result has 316 conditions, 223 events. 21/223 cut-off events. For 26/26 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 574 event pairs, 11 based on Foata normal form. 0/218 useless extension candidates. Maximal degree in co-relation 282. Up to 36 conditions per place. [2024-10-13 09:49:32,139 INFO L140 encePairwiseOnDemand]: 100/106 looper letters, 19 selfloop transitions, 5 changer transitions 0/98 dead transitions. [2024-10-13 09:49:32,139 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 100 places, 98 transitions, 270 flow [2024-10-13 09:49:32,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-13 09:49:32,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-10-13 09:49:32,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 547 transitions. [2024-10-13 09:49:32,141 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.860062893081761 [2024-10-13 09:49:32,141 INFO L175 Difference]: Start difference. First operand has 106 places, 91 transitions, 192 flow. Second operand 6 states and 547 transitions. [2024-10-13 09:49:32,141 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 100 places, 98 transitions, 270 flow [2024-10-13 09:49:32,142 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 99 places, 98 transitions, 258 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-10-13 09:49:32,143 INFO L231 Difference]: Finished difference. Result has 99 places, 90 transitions, 196 flow [2024-10-13 09:49:32,143 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=106, PETRI_DIFFERENCE_MINUEND_FLOW=186, PETRI_DIFFERENCE_MINUEND_PLACES=94, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=90, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=85, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=196, PETRI_PLACES=99, PETRI_TRANSITIONS=90} [2024-10-13 09:49:32,144 INFO L277 CegarLoopForPetriNet]: 109 programPoint places, -10 predicate places. [2024-10-13 09:49:32,144 INFO L471 AbstractCegarLoop]: Abstraction has has 99 places, 90 transitions, 196 flow [2024-10-13 09:49:32,145 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 88.66666666666667) internal successors, (532), 6 states have internal predecessors, (532), 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) [2024-10-13 09:49:32,145 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-13 09:49:32,145 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, 1, 1, 1, 1, 1] [2024-10-13 09:49:32,145 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-13 09:49:32,145 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2024-10-13 09:49:32,146 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 09:49:32,146 INFO L85 PathProgramCache]: Analyzing trace with hash -1590098400, now seen corresponding path program 1 times [2024-10-13 09:49:32,146 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 09:49:32,146 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [894408276] [2024-10-13 09:49:32,146 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 09:49:32,147 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 09:49:32,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 09:49:32,456 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 09:49:32,456 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 09:49:32,457 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [894408276] [2024-10-13 09:49:32,457 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [894408276] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 09:49:32,457 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 09:49:32,457 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-13 09:49:32,457 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1939293511] [2024-10-13 09:49:32,457 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 09:49:32,458 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-13 09:49:32,458 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 09:49:32,459 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-13 09:49:32,459 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-10-13 09:49:32,769 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 83 out of 106 [2024-10-13 09:49:32,770 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 99 places, 90 transitions, 196 flow. Second operand has 6 states, 6 states have (on average 85.83333333333333) internal successors, (515), 6 states have internal predecessors, (515), 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) [2024-10-13 09:49:32,770 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-13 09:49:32,770 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 83 of 106 [2024-10-13 09:49:32,770 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-13 09:49:32,812 INFO L124 PetriNetUnfolderBase]: 23/222 cut-off events. [2024-10-13 09:49:32,812 INFO L125 PetriNetUnfolderBase]: For 18/18 co-relation queries the response was YES. [2024-10-13 09:49:32,813 INFO L83 FinitePrefix]: Finished finitePrefix Result has 324 conditions, 222 events. 23/222 cut-off events. For 18/18 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 646 event pairs, 15 based on Foata normal form. 3/219 useless extension candidates. Maximal degree in co-relation 288. Up to 47 conditions per place. [2024-10-13 09:49:32,813 INFO L140 encePairwiseOnDemand]: 101/106 looper letters, 0 selfloop transitions, 0 changer transitions 97/97 dead transitions. [2024-10-13 09:49:32,813 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 103 places, 97 transitions, 270 flow [2024-10-13 09:49:32,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-13 09:49:32,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-10-13 09:49:32,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 525 transitions. [2024-10-13 09:49:32,815 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8254716981132075 [2024-10-13 09:49:32,816 INFO L175 Difference]: Start difference. First operand has 99 places, 90 transitions, 196 flow. Second operand 6 states and 525 transitions. [2024-10-13 09:49:32,816 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 103 places, 97 transitions, 270 flow [2024-10-13 09:49:32,816 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 98 places, 97 transitions, 260 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-10-13 09:49:32,817 INFO L231 Difference]: Finished difference. Result has 98 places, 0 transitions, 0 flow [2024-10-13 09:49:32,817 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=106, PETRI_DIFFERENCE_MINUEND_FLOW=184, PETRI_DIFFERENCE_MINUEND_PLACES=93, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=89, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=89, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=0, PETRI_PLACES=98, PETRI_TRANSITIONS=0} [2024-10-13 09:49:32,820 INFO L277 CegarLoopForPetriNet]: 109 programPoint places, -11 predicate places. [2024-10-13 09:49:32,820 INFO L471 AbstractCegarLoop]: Abstraction has has 98 places, 0 transitions, 0 flow [2024-10-13 09:49:32,820 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 85.83333333333333) internal successors, (515), 6 states have internal predecessors, (515), 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) [2024-10-13 09:49:32,824 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (8 of 9 remaining) [2024-10-13 09:49:32,824 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (7 of 9 remaining) [2024-10-13 09:49:32,825 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (6 of 9 remaining) [2024-10-13 09:49:32,825 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (5 of 9 remaining) [2024-10-13 09:49:32,825 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (4 of 9 remaining) [2024-10-13 09:49:32,826 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (3 of 9 remaining) [2024-10-13 09:49:32,826 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (2 of 9 remaining) [2024-10-13 09:49:32,828 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (1 of 9 remaining) [2024-10-13 09:49:32,828 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (0 of 9 remaining) [2024-10-13 09:49:32,828 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-13 09:49:32,829 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2024-10-13 09:49:32,836 INFO L234 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-10-13 09:49:32,837 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-13 09:49:32,843 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 09:49:32 BasicIcfg [2024-10-13 09:49:32,843 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-13 09:49:32,844 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-13 09:49:32,844 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-13 09:49:32,844 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-13 09:49:32,844 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 09:49:27" (3/4) ... [2024-10-13 09:49:32,846 INFO L139 WitnessPrinter]: Generating witness for correct program [2024-10-13 09:49:32,850 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure t_fun [2024-10-13 09:49:32,855 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-10-13 09:49:32,855 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-10-13 09:49:32,855 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-10-13 09:49:32,944 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-10-13 09:49:32,946 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-10-13 09:49:32,946 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-13 09:49:32,947 INFO L158 Benchmark]: Toolchain (without parser) took 6791.77ms. Allocated memory was 167.8MB in the beginning and 255.9MB in the end (delta: 88.1MB). Free memory was 93.8MB in the beginning and 188.9MB in the end (delta: -95.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-13 09:49:32,947 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 167.8MB. Free memory is still 121.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-13 09:49:32,948 INFO L158 Benchmark]: CACSL2BoogieTranslator took 501.25ms. Allocated memory is still 167.8MB. Free memory was 93.5MB in the beginning and 133.0MB in the end (delta: -39.4MB). Peak memory consumption was 22.9MB. Max. memory is 16.1GB. [2024-10-13 09:49:32,948 INFO L158 Benchmark]: Boogie Procedure Inliner took 58.65ms. Allocated memory is still 167.8MB. Free memory was 133.0MB in the beginning and 129.9MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-13 09:49:32,948 INFO L158 Benchmark]: Boogie Preprocessor took 44.59ms. Allocated memory is still 167.8MB. Free memory was 129.9MB in the beginning and 128.8MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-13 09:49:32,949 INFO L158 Benchmark]: RCFGBuilder took 472.26ms. Allocated memory is still 167.8MB. Free memory was 127.8MB in the beginning and 108.9MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2024-10-13 09:49:32,952 INFO L158 Benchmark]: TraceAbstraction took 5606.23ms. Allocated memory was 167.8MB in the beginning and 255.9MB in the end (delta: 88.1MB). Free memory was 108.9MB in the beginning and 193.1MB in the end (delta: -84.2MB). Peak memory consumption was 126.3MB. Max. memory is 16.1GB. [2024-10-13 09:49:32,953 INFO L158 Benchmark]: Witness Printer took 102.75ms. Allocated memory is still 255.9MB. Free memory was 193.1MB in the beginning and 188.9MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-13 09:49:32,954 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 167.8MB. Free memory is still 121.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 501.25ms. Allocated memory is still 167.8MB. Free memory was 93.5MB in the beginning and 133.0MB in the end (delta: -39.4MB). Peak memory consumption was 22.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 58.65ms. Allocated memory is still 167.8MB. Free memory was 133.0MB in the beginning and 129.9MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 44.59ms. Allocated memory is still 167.8MB. Free memory was 129.9MB in the beginning and 128.8MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 472.26ms. Allocated memory is still 167.8MB. Free memory was 127.8MB in the beginning and 108.9MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * TraceAbstraction took 5606.23ms. Allocated memory was 167.8MB in the beginning and 255.9MB in the end (delta: 88.1MB). Free memory was 108.9MB in the beginning and 193.1MB in the end (delta: -84.2MB). Peak memory consumption was 126.3MB. Max. memory is 16.1GB. * Witness Printer took 102.75ms. Allocated memory is still 255.9MB. Free memory was 193.1MB in the beginning and 188.9MB 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: 693]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 693]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 696]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 696]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 683]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 683]: 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, 135 locations, 9 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: 5.5s, OverallIterations: 6, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 3.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 754 SdHoareTripleChecker+Valid, 1.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 425 mSDsluCounter, 17 SdHoareTripleChecker+Invalid, 1.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 359 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1752 IncrementalHoareTripleChecker+Invalid, 2111 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 359 mSolverCounterUnsat, 17 mSDtfsCounter, 1752 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 33 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1756occurred in iteration=3, InterpolantAutomatonStates: 33, 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, 2.0s InterpolantComputationTime, 299 NumberOfCodeBlocks, 299 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 293 ConstructedInterpolants, 0 QuantifiedInterpolants, 726 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 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 6 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-10-13 09:49:32,985 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