./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/pthread-atomic/read_write_lock-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 61a67961 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/pthread-atomic/read_write_lock-1.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 8fab2e995569cc819974baee7d52d8d4bdabd2a2896c83fb3b8d07b44f394c5b --- Real Ultimate output --- This is Ultimate 0.2.5-wip.fs.cvc5-61a6796-m [2024-10-14 16:44:14,085 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-14 16:44:14,172 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-10-14 16:44:14,176 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-14 16:44:14,176 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-14 16:44:14,198 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-14 16:44:14,199 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-14 16:44:14,201 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-14 16:44:14,201 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-14 16:44:14,202 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-14 16:44:14,202 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-14 16:44:14,203 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-14 16:44:14,203 INFO L153 SettingsManager]: * Use SBE=true [2024-10-14 16:44:14,203 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-14 16:44:14,204 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-14 16:44:14,204 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-14 16:44:14,204 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-14 16:44:14,205 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-14 16:44:14,205 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-14 16:44:14,208 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-14 16:44:14,209 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-14 16:44:14,213 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-14 16:44:14,213 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-10-14 16:44:14,213 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-14 16:44:14,214 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-14 16:44:14,214 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-14 16:44:14,214 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-14 16:44:14,214 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-14 16:44:14,215 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-14 16:44:14,215 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-14 16:44:14,215 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-14 16:44:14,215 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-14 16:44:14,215 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-14 16:44:14,216 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-14 16:44:14,216 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-14 16:44:14,216 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-14 16:44:14,216 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-14 16:44:14,216 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-14 16:44:14,217 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-14 16:44:14,217 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-14 16:44:14,217 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-14 16:44:14,217 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8fab2e995569cc819974baee7d52d8d4bdabd2a2896c83fb3b8d07b44f394c5b [2024-10-14 16:44:14,443 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-14 16:44:14,467 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-14 16:44:14,471 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-14 16:44:14,472 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-14 16:44:14,472 INFO L274 PluginConnector]: CDTParser initialized [2024-10-14 16:44:14,474 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-atomic/read_write_lock-1.i [2024-10-14 16:44:15,884 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-14 16:44:16,109 INFO L384 CDTParser]: Found 1 translation units. [2024-10-14 16:44:16,110 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-atomic/read_write_lock-1.i [2024-10-14 16:44:16,123 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/21d4b3bca/279dfad2c5c04707908a5b4067ff078c/FLAGda96043cf [2024-10-14 16:44:16,135 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/21d4b3bca/279dfad2c5c04707908a5b4067ff078c [2024-10-14 16:44:16,137 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-14 16:44:16,140 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-14 16:44:16,141 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-14 16:44:16,142 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-14 16:44:16,147 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-14 16:44:16,148 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 04:44:16" (1/1) ... [2024-10-14 16:44:16,149 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4cddb0dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 04:44:16, skipping insertion in model container [2024-10-14 16:44:16,149 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 04:44:16" (1/1) ... [2024-10-14 16:44:16,195 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-14 16:44:16,537 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-14 16:44:16,549 INFO L200 MainTranslator]: Completed pre-run [2024-10-14 16:44:16,603 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-14 16:44:16,641 INFO L204 MainTranslator]: Completed translation [2024-10-14 16:44:16,642 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 04:44:16 WrapperNode [2024-10-14 16:44:16,642 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-14 16:44:16,643 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-14 16:44:16,644 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-14 16:44:16,644 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-14 16:44:16,654 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 04:44:16" (1/1) ... [2024-10-14 16:44:16,667 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 04:44:16" (1/1) ... [2024-10-14 16:44:16,696 INFO L138 Inliner]: procedures = 173, calls = 26, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 135 [2024-10-14 16:44:16,697 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-14 16:44:16,698 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-14 16:44:16,698 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-14 16:44:16,698 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-14 16:44:16,711 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 04:44:16" (1/1) ... [2024-10-14 16:44:16,712 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 04:44:16" (1/1) ... [2024-10-14 16:44:16,716 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 04:44:16" (1/1) ... [2024-10-14 16:44:16,716 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 04:44:16" (1/1) ... [2024-10-14 16:44:16,725 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 04:44:16" (1/1) ... [2024-10-14 16:44:16,731 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 04:44:16" (1/1) ... [2024-10-14 16:44:16,737 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 04:44:16" (1/1) ... [2024-10-14 16:44:16,738 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 04:44:16" (1/1) ... [2024-10-14 16:44:16,745 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-14 16:44:16,746 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-14 16:44:16,746 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-14 16:44:16,746 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-14 16:44:16,747 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 04:44:16" (1/1) ... [2024-10-14 16:44:16,759 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-14 16:44:16,774 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 16:44:16,789 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) [2024-10-14 16:44:16,796 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 [2024-10-14 16:44:16,830 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-10-14 16:44:16,831 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-14 16:44:16,831 INFO L130 BoogieDeclarations]: Found specification of procedure reader [2024-10-14 16:44:16,831 INFO L138 BoogieDeclarations]: Found implementation of procedure reader [2024-10-14 16:44:16,831 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-10-14 16:44:16,831 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-10-14 16:44:16,831 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-14 16:44:16,831 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-14 16:44:16,831 INFO L130 BoogieDeclarations]: Found specification of procedure writer [2024-10-14 16:44:16,831 INFO L138 BoogieDeclarations]: Found implementation of procedure writer [2024-10-14 16:44:16,833 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-10-14 16:44:16,934 INFO L238 CfgBuilder]: Building ICFG [2024-10-14 16:44:16,936 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-14 16:44:17,117 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-10-14 16:44:17,117 INFO L287 CfgBuilder]: Performing block encoding [2024-10-14 16:44:17,236 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-14 16:44:17,236 INFO L314 CfgBuilder]: Removed 0 assume(true) statements. [2024-10-14 16:44:17,237 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 04:44:17 BoogieIcfgContainer [2024-10-14 16:44:17,237 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-14 16:44:17,257 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-14 16:44:17,257 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-14 16:44:17,262 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-14 16:44:17,263 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 04:44:16" (1/3) ... [2024-10-14 16:44:17,263 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4b147383 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 04:44:17, skipping insertion in model container [2024-10-14 16:44:17,263 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 04:44:16" (2/3) ... [2024-10-14 16:44:17,264 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4b147383 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 04:44:17, skipping insertion in model container [2024-10-14 16:44:17,264 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 04:44:17" (3/3) ... [2024-10-14 16:44:17,265 INFO L112 eAbstractionObserver]: Analyzing ICFG read_write_lock-1.i [2024-10-14 16:44:17,278 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-14 16:44:17,279 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 14 error locations. [2024-10-14 16:44:17,279 INFO L484 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-10-14 16:44:17,341 INFO L143 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2024-10-14 16:44:17,379 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 143 places, 134 transitions, 296 flow [2024-10-14 16:44:17,423 INFO L124 PetriNetUnfolderBase]: 4/130 cut-off events. [2024-10-14 16:44:17,424 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2024-10-14 16:44:17,430 INFO L83 FinitePrefix]: Finished finitePrefix Result has 147 conditions, 130 events. 4/130 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 267 event pairs, 0 based on Foata normal form. 0/98 useless extension candidates. Maximal degree in co-relation 108. Up to 2 conditions per place. [2024-10-14 16:44:17,431 INFO L82 GeneralOperation]: Start removeDead. Operand has 143 places, 134 transitions, 296 flow [2024-10-14 16:44:17,437 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 134 places, 125 transitions, 271 flow [2024-10-14 16:44:17,446 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-14 16:44:17,452 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;@c040788, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-14 16:44:17,452 INFO L334 AbstractCegarLoop]: Starting to check reachability of 46 error locations. [2024-10-14 16:44:17,458 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-10-14 16:44:17,459 INFO L124 PetriNetUnfolderBase]: 0/22 cut-off events. [2024-10-14 16:44:17,459 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-10-14 16:44:17,459 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-14 16:44:17,460 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] [2024-10-14 16:44:17,460 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting writerErr0ASSERT_VIOLATIONDATA_RACE === [readerErr0ASSERT_VIOLATIONDATA_RACE, readerErr1ASSERT_VIOLATIONDATA_RACE, readerErr2ASSERT_VIOLATIONDATA_RACE, readerErr3ASSERT_VIOLATIONDATA_RACE (and 42 more)] === [2024-10-14 16:44:17,466 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 16:44:17,467 INFO L85 PathProgramCache]: Analyzing trace with hash 258470122, now seen corresponding path program 1 times [2024-10-14 16:44:17,476 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 16:44:17,478 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [254404407] [2024-10-14 16:44:17,478 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 16:44:17,479 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 16:44:17,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 16:44:17,678 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 16:44:17,678 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 16:44:17,679 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [254404407] [2024-10-14 16:44:17,683 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [254404407] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 16:44:17,683 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 16:44:17,684 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-10-14 16:44:17,685 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [365312015] [2024-10-14 16:44:17,686 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 16:44:17,698 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-14 16:44:17,703 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 16:44:17,731 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-14 16:44:17,731 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-14 16:44:17,733 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 80 out of 134 [2024-10-14 16:44:17,735 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 134 places, 125 transitions, 271 flow. Second operand has 2 states, 2 states have (on average 81.0) internal successors, (162), 2 states have internal predecessors, (162), 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) [2024-10-14 16:44:17,735 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-14 16:44:17,735 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 80 of 134 [2024-10-14 16:44:17,737 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-14 16:44:18,410 INFO L124 PetriNetUnfolderBase]: 1464/3393 cut-off events. [2024-10-14 16:44:18,411 INFO L125 PetriNetUnfolderBase]: For 613/613 co-relation queries the response was YES. [2024-10-14 16:44:18,425 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5917 conditions, 3393 events. 1464/3393 cut-off events. For 613/613 co-relation queries the response was YES. Maximal size of possible extension queue 207. Compared 28169 event pairs, 1464 based on Foata normal form. 336/3389 useless extension candidates. Maximal degree in co-relation 5659. Up to 2168 conditions per place. [2024-10-14 16:44:18,443 INFO L140 encePairwiseOnDemand]: 104/134 looper letters, 22 selfloop transitions, 0 changer transitions 1/93 dead transitions. [2024-10-14 16:44:18,444 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 107 places, 93 transitions, 253 flow [2024-10-14 16:44:18,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-14 16:44:18,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2024-10-14 16:44:18,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 213 transitions. [2024-10-14 16:44:18,491 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7947761194029851 [2024-10-14 16:44:18,493 INFO L175 Difference]: Start difference. First operand has 134 places, 125 transitions, 271 flow. Second operand 2 states and 213 transitions. [2024-10-14 16:44:18,494 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 107 places, 93 transitions, 253 flow [2024-10-14 16:44:18,507 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 100 places, 93 transitions, 240 flow, removed 0 selfloop flow, removed 7 redundant places. [2024-10-14 16:44:18,511 INFO L231 Difference]: Finished difference. Result has 100 places, 92 transitions, 191 flow [2024-10-14 16:44:18,518 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=134, PETRI_DIFFERENCE_MINUEND_FLOW=194, PETRI_DIFFERENCE_MINUEND_PLACES=99, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=93, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=93, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=191, PETRI_PLACES=100, PETRI_TRANSITIONS=92} [2024-10-14 16:44:18,527 INFO L277 CegarLoopForPetriNet]: 134 programPoint places, -34 predicate places. [2024-10-14 16:44:18,528 INFO L471 AbstractCegarLoop]: Abstraction has has 100 places, 92 transitions, 191 flow [2024-10-14 16:44:18,528 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 81.0) internal successors, (162), 2 states have internal predecessors, (162), 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) [2024-10-14 16:44:18,528 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-14 16:44:18,528 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 16:44:18,529 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-14 16:44:18,529 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting writerErr3ASSERT_VIOLATIONDATA_RACE === [readerErr0ASSERT_VIOLATIONDATA_RACE, readerErr1ASSERT_VIOLATIONDATA_RACE, readerErr2ASSERT_VIOLATIONDATA_RACE, readerErr3ASSERT_VIOLATIONDATA_RACE (and 42 more)] === [2024-10-14 16:44:18,529 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 16:44:18,530 INFO L85 PathProgramCache]: Analyzing trace with hash 1203492015, now seen corresponding path program 1 times [2024-10-14 16:44:18,530 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 16:44:18,530 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1301273604] [2024-10-14 16:44:18,530 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 16:44:18,530 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 16:44:18,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 16:44:18,652 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 16:44:18,685 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 16:44:18,686 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1301273604] [2024-10-14 16:44:18,686 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1301273604] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 16:44:18,686 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 16:44:18,686 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-14 16:44:18,687 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1445017958] [2024-10-14 16:44:18,687 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 16:44:18,690 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 16:44:18,691 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 16:44:18,692 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 16:44:18,692 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 16:44:18,708 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 74 out of 134 [2024-10-14 16:44:18,709 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 100 places, 92 transitions, 191 flow. Second operand has 3 states, 3 states have (on average 75.66666666666667) internal successors, (227), 3 states have internal predecessors, (227), 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) [2024-10-14 16:44:18,710 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-14 16:44:18,710 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 74 of 134 [2024-10-14 16:44:18,710 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-14 16:44:20,165 INFO L124 PetriNetUnfolderBase]: 5874/11025 cut-off events. [2024-10-14 16:44:20,166 INFO L125 PetriNetUnfolderBase]: For 224/224 co-relation queries the response was YES. [2024-10-14 16:44:20,200 INFO L83 FinitePrefix]: Finished finitePrefix Result has 20009 conditions, 11025 events. 5874/11025 cut-off events. For 224/224 co-relation queries the response was YES. Maximal size of possible extension queue 563. Compared 95745 event pairs, 4260 based on Foata normal form. 0/10141 useless extension candidates. Maximal degree in co-relation 20006. Up to 6909 conditions per place. [2024-10-14 16:44:20,264 INFO L140 encePairwiseOnDemand]: 125/134 looper letters, 40 selfloop transitions, 8 changer transitions 0/112 dead transitions. [2024-10-14 16:44:20,264 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 101 places, 112 transitions, 331 flow [2024-10-14 16:44:20,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 16:44:20,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-14 16:44:20,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 271 transitions. [2024-10-14 16:44:20,270 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6741293532338308 [2024-10-14 16:44:20,270 INFO L175 Difference]: Start difference. First operand has 100 places, 92 transitions, 191 flow. Second operand 3 states and 271 transitions. [2024-10-14 16:44:20,270 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 101 places, 112 transitions, 331 flow [2024-10-14 16:44:20,271 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 101 places, 112 transitions, 331 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-10-14 16:44:20,276 INFO L231 Difference]: Finished difference. Result has 103 places, 99 transitions, 253 flow [2024-10-14 16:44:20,277 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=134, PETRI_DIFFERENCE_MINUEND_FLOW=191, PETRI_DIFFERENCE_MINUEND_PLACES=99, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=92, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=84, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=253, PETRI_PLACES=103, PETRI_TRANSITIONS=99} [2024-10-14 16:44:20,278 INFO L277 CegarLoopForPetriNet]: 134 programPoint places, -31 predicate places. [2024-10-14 16:44:20,278 INFO L471 AbstractCegarLoop]: Abstraction has has 103 places, 99 transitions, 253 flow [2024-10-14 16:44:20,278 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 75.66666666666667) internal successors, (227), 3 states have internal predecessors, (227), 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) [2024-10-14 16:44:20,278 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-14 16:44:20,279 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] [2024-10-14 16:44:20,279 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-14 16:44:20,280 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting writerErr3ASSERT_VIOLATIONDATA_RACE === [readerErr0ASSERT_VIOLATIONDATA_RACE, readerErr1ASSERT_VIOLATIONDATA_RACE, readerErr2ASSERT_VIOLATIONDATA_RACE, readerErr3ASSERT_VIOLATIONDATA_RACE (and 42 more)] === [2024-10-14 16:44:20,280 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 16:44:20,281 INFO L85 PathProgramCache]: Analyzing trace with hash -421473290, now seen corresponding path program 1 times [2024-10-14 16:44:20,282 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 16:44:20,282 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [927608883] [2024-10-14 16:44:20,282 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 16:44:20,282 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 16:44:20,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 16:44:20,537 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 16:44:20,539 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 16:44:20,539 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [927608883] [2024-10-14 16:44:20,540 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [927608883] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 16:44:20,540 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 16:44:20,540 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-14 16:44:20,541 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1758885654] [2024-10-14 16:44:20,541 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 16:44:20,542 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-14 16:44:20,543 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 16:44:20,543 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-14 16:44:20,544 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-14 16:44:20,553 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 78 out of 134 [2024-10-14 16:44:20,554 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 103 places, 99 transitions, 253 flow. Second operand has 5 states, 5 states have (on average 79.4) internal successors, (397), 5 states have internal predecessors, (397), 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) [2024-10-14 16:44:20,554 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-14 16:44:20,554 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 78 of 134 [2024-10-14 16:44:20,554 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-14 16:44:21,885 INFO L124 PetriNetUnfolderBase]: 5167/12105 cut-off events. [2024-10-14 16:44:21,891 INFO L125 PetriNetUnfolderBase]: For 2602/2923 co-relation queries the response was YES. [2024-10-14 16:44:21,939 INFO L83 FinitePrefix]: Finished finitePrefix Result has 24054 conditions, 12105 events. 5167/12105 cut-off events. For 2602/2923 co-relation queries the response was YES. Maximal size of possible extension queue 729. Compared 124522 event pairs, 1898 based on Foata normal form. 140/11140 useless extension candidates. Maximal degree in co-relation 24049. Up to 4538 conditions per place. [2024-10-14 16:44:22,007 INFO L140 encePairwiseOnDemand]: 124/134 looper letters, 60 selfloop transitions, 14 changer transitions 0/145 dead transitions. [2024-10-14 16:44:22,008 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 107 places, 145 transitions, 538 flow [2024-10-14 16:44:22,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-14 16:44:22,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-10-14 16:44:22,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 458 transitions. [2024-10-14 16:44:22,010 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6835820895522388 [2024-10-14 16:44:22,010 INFO L175 Difference]: Start difference. First operand has 103 places, 99 transitions, 253 flow. Second operand 5 states and 458 transitions. [2024-10-14 16:44:22,010 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 107 places, 145 transitions, 538 flow [2024-10-14 16:44:22,043 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 105 places, 145 transitions, 514 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-14 16:44:22,046 INFO L231 Difference]: Finished difference. Result has 108 places, 111 transitions, 327 flow [2024-10-14 16:44:22,047 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=134, PETRI_DIFFERENCE_MINUEND_FLOW=237, PETRI_DIFFERENCE_MINUEND_PLACES=101, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=99, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=89, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=327, PETRI_PLACES=108, PETRI_TRANSITIONS=111} [2024-10-14 16:44:22,048 INFO L277 CegarLoopForPetriNet]: 134 programPoint places, -26 predicate places. [2024-10-14 16:44:22,048 INFO L471 AbstractCegarLoop]: Abstraction has has 108 places, 111 transitions, 327 flow [2024-10-14 16:44:22,049 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 79.4) internal successors, (397), 5 states have internal predecessors, (397), 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) [2024-10-14 16:44:22,049 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-14 16:44:22,050 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] [2024-10-14 16:44:22,050 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-14 16:44:22,050 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting writerErr3ASSERT_VIOLATIONDATA_RACE === [readerErr0ASSERT_VIOLATIONDATA_RACE, readerErr1ASSERT_VIOLATIONDATA_RACE, readerErr2ASSERT_VIOLATIONDATA_RACE, readerErr3ASSERT_VIOLATIONDATA_RACE (and 42 more)] === [2024-10-14 16:44:22,051 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 16:44:22,051 INFO L85 PathProgramCache]: Analyzing trace with hash 2016727422, now seen corresponding path program 2 times [2024-10-14 16:44:22,052 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 16:44:22,052 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [673232892] [2024-10-14 16:44:22,052 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 16:44:22,052 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 16:44:22,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 16:44:22,126 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 16:44:22,126 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 16:44:22,127 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [673232892] [2024-10-14 16:44:22,127 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [673232892] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 16:44:22,127 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 16:44:22,127 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-14 16:44:22,127 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1730000550] [2024-10-14 16:44:22,128 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 16:44:22,128 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 16:44:22,129 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 16:44:22,130 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 16:44:22,130 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 16:44:22,133 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 79 out of 134 [2024-10-14 16:44:22,134 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 108 places, 111 transitions, 327 flow. Second operand has 3 states, 3 states have (on average 81.0) internal successors, (243), 3 states have internal predecessors, (243), 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) [2024-10-14 16:44:22,134 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-14 16:44:22,134 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 79 of 134 [2024-10-14 16:44:22,134 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-14 16:44:22,622 INFO L124 PetriNetUnfolderBase]: 1183/3597 cut-off events. [2024-10-14 16:44:22,623 INFO L125 PetriNetUnfolderBase]: For 1622/1638 co-relation queries the response was YES. [2024-10-14 16:44:22,638 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7511 conditions, 3597 events. 1183/3597 cut-off events. For 1622/1638 co-relation queries the response was YES. Maximal size of possible extension queue 212. Compared 32613 event pairs, 472 based on Foata normal form. 133/3468 useless extension candidates. Maximal degree in co-relation 7504. Up to 914 conditions per place. [2024-10-14 16:44:22,653 INFO L140 encePairwiseOnDemand]: 128/134 looper letters, 42 selfloop transitions, 6 changer transitions 0/119 dead transitions. [2024-10-14 16:44:22,654 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 110 places, 119 transitions, 441 flow [2024-10-14 16:44:22,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 16:44:22,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-14 16:44:22,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 279 transitions. [2024-10-14 16:44:22,656 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6940298507462687 [2024-10-14 16:44:22,656 INFO L175 Difference]: Start difference. First operand has 108 places, 111 transitions, 327 flow. Second operand 3 states and 279 transitions. [2024-10-14 16:44:22,656 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 110 places, 119 transitions, 441 flow [2024-10-14 16:44:22,660 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 109 places, 119 transitions, 434 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-10-14 16:44:22,662 INFO L231 Difference]: Finished difference. Result has 109 places, 104 transitions, 302 flow [2024-10-14 16:44:22,662 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=134, PETRI_DIFFERENCE_MINUEND_FLOW=290, PETRI_DIFFERENCE_MINUEND_PLACES=107, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=104, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=98, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=302, PETRI_PLACES=109, PETRI_TRANSITIONS=104} [2024-10-14 16:44:22,664 INFO L277 CegarLoopForPetriNet]: 134 programPoint places, -25 predicate places. [2024-10-14 16:44:22,664 INFO L471 AbstractCegarLoop]: Abstraction has has 109 places, 104 transitions, 302 flow [2024-10-14 16:44:22,665 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 81.0) internal successors, (243), 3 states have internal predecessors, (243), 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) [2024-10-14 16:44:22,665 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-14 16:44:22,665 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] [2024-10-14 16:44:22,665 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-14 16:44:22,666 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting writerErr3ASSERT_VIOLATIONDATA_RACE === [readerErr0ASSERT_VIOLATIONDATA_RACE, readerErr1ASSERT_VIOLATIONDATA_RACE, readerErr2ASSERT_VIOLATIONDATA_RACE, readerErr3ASSERT_VIOLATIONDATA_RACE (and 42 more)] === [2024-10-14 16:44:22,667 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 16:44:22,667 INFO L85 PathProgramCache]: Analyzing trace with hash -1476596495, now seen corresponding path program 1 times [2024-10-14 16:44:22,667 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 16:44:22,668 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1615837955] [2024-10-14 16:44:22,668 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 16:44:22,668 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 16:44:22,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 16:44:22,696 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 16:44:22,697 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 16:44:22,697 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1615837955] [2024-10-14 16:44:22,697 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1615837955] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 16:44:22,698 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 16:44:22,698 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-14 16:44:22,698 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [65133928] [2024-10-14 16:44:22,698 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 16:44:22,699 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 16:44:22,699 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 16:44:22,699 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 16:44:22,700 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 16:44:22,711 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 74 out of 134 [2024-10-14 16:44:22,711 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 109 places, 104 transitions, 302 flow. Second operand has 3 states, 3 states have (on average 76.33333333333333) internal successors, (229), 3 states have internal predecessors, (229), 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) [2024-10-14 16:44:22,712 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-14 16:44:22,712 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 74 of 134 [2024-10-14 16:44:22,712 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-14 16:44:23,264 INFO L124 PetriNetUnfolderBase]: 2720/5797 cut-off events. [2024-10-14 16:44:23,265 INFO L125 PetriNetUnfolderBase]: For 2883/2910 co-relation queries the response was YES. [2024-10-14 16:44:23,287 INFO L83 FinitePrefix]: Finished finitePrefix Result has 13081 conditions, 5797 events. 2720/5797 cut-off events. For 2883/2910 co-relation queries the response was YES. Maximal size of possible extension queue 388. Compared 49844 event pairs, 1751 based on Foata normal form. 2/5417 useless extension candidates. Maximal degree in co-relation 13074. Up to 3599 conditions per place. [2024-10-14 16:44:23,304 INFO L140 encePairwiseOnDemand]: 126/134 looper letters, 46 selfloop transitions, 7 changer transitions 0/119 dead transitions. [2024-10-14 16:44:23,304 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 111 places, 119 transitions, 454 flow [2024-10-14 16:44:23,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 16:44:23,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-14 16:44:23,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 266 transitions. [2024-10-14 16:44:23,306 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6616915422885572 [2024-10-14 16:44:23,306 INFO L175 Difference]: Start difference. First operand has 109 places, 104 transitions, 302 flow. Second operand 3 states and 266 transitions. [2024-10-14 16:44:23,306 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 111 places, 119 transitions, 454 flow [2024-10-14 16:44:23,310 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 109 places, 119 transitions, 442 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-14 16:44:23,312 INFO L231 Difference]: Finished difference. Result has 111 places, 110 transitions, 352 flow [2024-10-14 16:44:23,312 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=134, PETRI_DIFFERENCE_MINUEND_FLOW=290, PETRI_DIFFERENCE_MINUEND_PLACES=107, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=104, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=97, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=352, PETRI_PLACES=111, PETRI_TRANSITIONS=110} [2024-10-14 16:44:23,313 INFO L277 CegarLoopForPetriNet]: 134 programPoint places, -23 predicate places. [2024-10-14 16:44:23,313 INFO L471 AbstractCegarLoop]: Abstraction has has 111 places, 110 transitions, 352 flow [2024-10-14 16:44:23,314 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 76.33333333333333) internal successors, (229), 3 states have internal predecessors, (229), 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) [2024-10-14 16:44:23,314 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-14 16:44:23,314 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] [2024-10-14 16:44:23,314 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-14 16:44:23,315 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting writerErr3ASSERT_VIOLATIONDATA_RACE === [readerErr0ASSERT_VIOLATIONDATA_RACE, readerErr1ASSERT_VIOLATIONDATA_RACE, readerErr2ASSERT_VIOLATIONDATA_RACE, readerErr3ASSERT_VIOLATIONDATA_RACE (and 42 more)] === [2024-10-14 16:44:23,315 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 16:44:23,315 INFO L85 PathProgramCache]: Analyzing trace with hash 45468829, now seen corresponding path program 1 times [2024-10-14 16:44:23,315 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 16:44:23,316 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1210477171] [2024-10-14 16:44:23,316 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 16:44:23,316 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 16:44:23,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 16:44:23,483 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 16:44:23,484 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 16:44:23,484 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1210477171] [2024-10-14 16:44:23,484 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1210477171] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 16:44:23,484 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 16:44:23,484 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-14 16:44:23,485 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1104409825] [2024-10-14 16:44:23,485 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 16:44:23,485 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-14 16:44:23,486 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 16:44:23,486 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-14 16:44:23,486 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-14 16:44:23,491 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 78 out of 134 [2024-10-14 16:44:23,492 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 111 places, 110 transitions, 352 flow. Second operand has 5 states, 5 states have (on average 80.0) internal successors, (400), 5 states have internal predecessors, (400), 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) [2024-10-14 16:44:23,492 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-14 16:44:23,492 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 78 of 134 [2024-10-14 16:44:23,492 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-14 16:44:23,945 INFO L124 PetriNetUnfolderBase]: 781/2618 cut-off events. [2024-10-14 16:44:23,945 INFO L125 PetriNetUnfolderBase]: For 2077/2092 co-relation queries the response was YES. [2024-10-14 16:44:23,955 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5917 conditions, 2618 events. 781/2618 cut-off events. For 2077/2092 co-relation queries the response was YES. Maximal size of possible extension queue 140. Compared 22816 event pairs, 155 based on Foata normal form. 152/2650 useless extension candidates. Maximal degree in co-relation 5909. Up to 580 conditions per place. [2024-10-14 16:44:23,960 INFO L140 encePairwiseOnDemand]: 125/134 looper letters, 61 selfloop transitions, 17 changer transitions 11/161 dead transitions. [2024-10-14 16:44:23,960 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 115 places, 161 transitions, 732 flow [2024-10-14 16:44:23,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-14 16:44:23,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-10-14 16:44:23,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 471 transitions. [2024-10-14 16:44:23,962 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7029850746268657 [2024-10-14 16:44:23,962 INFO L175 Difference]: Start difference. First operand has 111 places, 110 transitions, 352 flow. Second operand 5 states and 471 transitions. [2024-10-14 16:44:23,962 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 115 places, 161 transitions, 732 flow [2024-10-14 16:44:23,966 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 113 places, 161 transitions, 710 flow, removed 4 selfloop flow, removed 2 redundant places. [2024-10-14 16:44:23,968 INFO L231 Difference]: Finished difference. Result has 114 places, 116 transitions, 402 flow [2024-10-14 16:44:23,969 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=134, PETRI_DIFFERENCE_MINUEND_FLOW=330, PETRI_DIFFERENCE_MINUEND_PLACES=109, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=110, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=11, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=97, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=402, PETRI_PLACES=114, PETRI_TRANSITIONS=116} [2024-10-14 16:44:23,970 INFO L277 CegarLoopForPetriNet]: 134 programPoint places, -20 predicate places. [2024-10-14 16:44:23,970 INFO L471 AbstractCegarLoop]: Abstraction has has 114 places, 116 transitions, 402 flow [2024-10-14 16:44:23,971 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 80.0) internal successors, (400), 5 states have internal predecessors, (400), 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) [2024-10-14 16:44:23,971 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-14 16:44:23,971 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] [2024-10-14 16:44:23,971 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-14 16:44:23,971 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting writerErr3ASSERT_VIOLATIONDATA_RACE === [readerErr0ASSERT_VIOLATIONDATA_RACE, readerErr1ASSERT_VIOLATIONDATA_RACE, readerErr2ASSERT_VIOLATIONDATA_RACE, readerErr3ASSERT_VIOLATIONDATA_RACE (and 42 more)] === [2024-10-14 16:44:23,972 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 16:44:23,972 INFO L85 PathProgramCache]: Analyzing trace with hash 523913144, now seen corresponding path program 1 times [2024-10-14 16:44:23,972 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 16:44:23,972 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1799530904] [2024-10-14 16:44:23,972 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 16:44:23,972 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 16:44:23,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 16:44:24,162 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 16:44:24,162 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 16:44:24,162 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1799530904] [2024-10-14 16:44:24,162 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1799530904] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 16:44:24,162 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 16:44:24,162 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-14 16:44:24,163 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1643443372] [2024-10-14 16:44:24,163 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 16:44:24,163 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-14 16:44:24,163 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 16:44:24,164 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-14 16:44:24,165 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-10-14 16:44:24,170 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 78 out of 134 [2024-10-14 16:44:24,170 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 114 places, 116 transitions, 402 flow. Second operand has 6 states, 6 states have (on average 80.5) internal successors, (483), 6 states have internal predecessors, (483), 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) [2024-10-14 16:44:24,170 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-14 16:44:24,170 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 78 of 134 [2024-10-14 16:44:24,170 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-14 16:44:24,476 INFO L124 PetriNetUnfolderBase]: 745/2568 cut-off events. [2024-10-14 16:44:24,476 INFO L125 PetriNetUnfolderBase]: For 2531/2537 co-relation queries the response was YES. [2024-10-14 16:44:24,486 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6130 conditions, 2568 events. 745/2568 cut-off events. For 2531/2537 co-relation queries the response was YES. Maximal size of possible extension queue 137. Compared 22480 event pairs, 371 based on Foata normal form. 20/2446 useless extension candidates. Maximal degree in co-relation 6121. Up to 880 conditions per place. [2024-10-14 16:44:24,492 INFO L140 encePairwiseOnDemand]: 124/134 looper letters, 56 selfloop transitions, 14 changer transitions 12/154 dead transitions. [2024-10-14 16:44:24,492 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 119 places, 154 transitions, 725 flow [2024-10-14 16:44:24,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-14 16:44:24,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-10-14 16:44:24,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 540 transitions. [2024-10-14 16:44:24,494 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6716417910447762 [2024-10-14 16:44:24,494 INFO L175 Difference]: Start difference. First operand has 114 places, 116 transitions, 402 flow. Second operand 6 states and 540 transitions. [2024-10-14 16:44:24,494 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 119 places, 154 transitions, 725 flow [2024-10-14 16:44:24,498 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 119 places, 154 transitions, 713 flow, removed 6 selfloop flow, removed 0 redundant places. [2024-10-14 16:44:24,501 INFO L231 Difference]: Finished difference. Result has 120 places, 116 transitions, 426 flow [2024-10-14 16:44:24,501 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=134, PETRI_DIFFERENCE_MINUEND_FLOW=390, PETRI_DIFFERENCE_MINUEND_PLACES=114, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=116, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=14, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=102, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=426, PETRI_PLACES=120, PETRI_TRANSITIONS=116} [2024-10-14 16:44:24,501 INFO L277 CegarLoopForPetriNet]: 134 programPoint places, -14 predicate places. [2024-10-14 16:44:24,502 INFO L471 AbstractCegarLoop]: Abstraction has has 120 places, 116 transitions, 426 flow [2024-10-14 16:44:24,502 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 80.5) internal successors, (483), 6 states have internal predecessors, (483), 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) [2024-10-14 16:44:24,502 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-14 16:44:24,502 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] [2024-10-14 16:44:24,503 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-14 16:44:24,503 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting writerErr3ASSERT_VIOLATIONDATA_RACE === [readerErr0ASSERT_VIOLATIONDATA_RACE, readerErr1ASSERT_VIOLATIONDATA_RACE, readerErr2ASSERT_VIOLATIONDATA_RACE, readerErr3ASSERT_VIOLATIONDATA_RACE (and 42 more)] === [2024-10-14 16:44:24,503 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 16:44:24,503 INFO L85 PathProgramCache]: Analyzing trace with hash -1206135720, now seen corresponding path program 2 times [2024-10-14 16:44:24,504 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 16:44:24,504 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1820328316] [2024-10-14 16:44:24,504 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 16:44:24,504 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 16:44:24,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 16:44:24,648 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 16:44:24,649 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 16:44:24,649 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1820328316] [2024-10-14 16:44:24,649 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1820328316] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 16:44:24,649 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 16:44:24,649 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-14 16:44:24,649 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [756711983] [2024-10-14 16:44:24,650 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 16:44:24,650 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-14 16:44:24,650 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 16:44:24,651 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-14 16:44:24,651 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2024-10-14 16:44:24,657 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 78 out of 134 [2024-10-14 16:44:24,658 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 120 places, 116 transitions, 426 flow. Second operand has 6 states, 6 states have (on average 80.5) internal successors, (483), 6 states have internal predecessors, (483), 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) [2024-10-14 16:44:24,658 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-14 16:44:24,658 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 78 of 134 [2024-10-14 16:44:24,658 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-14 16:44:24,933 INFO L124 PetriNetUnfolderBase]: 591/2054 cut-off events. [2024-10-14 16:44:24,933 INFO L125 PetriNetUnfolderBase]: For 2624/2628 co-relation queries the response was YES. [2024-10-14 16:44:24,941 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5022 conditions, 2054 events. 591/2054 cut-off events. For 2624/2628 co-relation queries the response was YES. Maximal size of possible extension queue 129. Compared 17399 event pairs, 330 based on Foata normal form. 20/1970 useless extension candidates. Maximal degree in co-relation 5011. Up to 801 conditions per place. [2024-10-14 16:44:24,946 INFO L140 encePairwiseOnDemand]: 124/134 looper letters, 46 selfloop transitions, 8 changer transitions 22/148 dead transitions. [2024-10-14 16:44:24,946 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 124 places, 148 transitions, 718 flow [2024-10-14 16:44:24,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-14 16:44:24,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-10-14 16:44:24,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 534 transitions. [2024-10-14 16:44:24,950 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.664179104477612 [2024-10-14 16:44:24,950 INFO L175 Difference]: Start difference. First operand has 120 places, 116 transitions, 426 flow. Second operand 6 states and 534 transitions. [2024-10-14 16:44:24,951 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 124 places, 148 transitions, 718 flow [2024-10-14 16:44:24,955 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 120 places, 148 transitions, 686 flow, removed 0 selfloop flow, removed 4 redundant places. [2024-10-14 16:44:24,957 INFO L231 Difference]: Finished difference. Result has 121 places, 110 transitions, 370 flow [2024-10-14 16:44:24,957 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=134, PETRI_DIFFERENCE_MINUEND_FLOW=398, PETRI_DIFFERENCE_MINUEND_PLACES=115, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=116, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=108, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=370, PETRI_PLACES=121, PETRI_TRANSITIONS=110} [2024-10-14 16:44:24,958 INFO L277 CegarLoopForPetriNet]: 134 programPoint places, -13 predicate places. [2024-10-14 16:44:24,958 INFO L471 AbstractCegarLoop]: Abstraction has has 121 places, 110 transitions, 370 flow [2024-10-14 16:44:24,959 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 80.5) internal successors, (483), 6 states have internal predecessors, (483), 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) [2024-10-14 16:44:24,959 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-14 16:44:24,959 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] [2024-10-14 16:44:24,959 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-10-14 16:44:24,959 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting writerErr3ASSERT_VIOLATIONDATA_RACE === [readerErr0ASSERT_VIOLATIONDATA_RACE, readerErr1ASSERT_VIOLATIONDATA_RACE, readerErr2ASSERT_VIOLATIONDATA_RACE, readerErr3ASSERT_VIOLATIONDATA_RACE (and 42 more)] === [2024-10-14 16:44:24,960 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 16:44:24,960 INFO L85 PathProgramCache]: Analyzing trace with hash -1908409993, now seen corresponding path program 1 times [2024-10-14 16:44:24,960 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 16:44:24,960 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [356046191] [2024-10-14 16:44:24,960 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 16:44:24,961 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 16:44:24,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 16:44:25,118 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 16:44:25,118 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 16:44:25,118 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [356046191] [2024-10-14 16:44:25,119 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [356046191] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 16:44:25,119 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 16:44:25,119 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-14 16:44:25,119 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1359082389] [2024-10-14 16:44:25,119 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 16:44:25,120 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-14 16:44:25,120 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 16:44:25,120 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-14 16:44:25,121 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-10-14 16:44:25,129 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 78 out of 134 [2024-10-14 16:44:25,130 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 121 places, 110 transitions, 370 flow. Second operand has 6 states, 6 states have (on average 80.83333333333333) internal successors, (485), 6 states have internal predecessors, (485), 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) [2024-10-14 16:44:25,130 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-14 16:44:25,130 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 78 of 134 [2024-10-14 16:44:25,130 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-14 16:44:25,382 INFO L124 PetriNetUnfolderBase]: 412/1488 cut-off events. [2024-10-14 16:44:25,382 INFO L125 PetriNetUnfolderBase]: For 2173/2185 co-relation queries the response was YES. [2024-10-14 16:44:25,388 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3558 conditions, 1488 events. 412/1488 cut-off events. For 2173/2185 co-relation queries the response was YES. Maximal size of possible extension queue 89. Compared 11773 event pairs, 81 based on Foata normal form. 41/1454 useless extension candidates. Maximal degree in co-relation 3546. Up to 335 conditions per place. [2024-10-14 16:44:25,393 INFO L140 encePairwiseOnDemand]: 125/134 looper letters, 52 selfloop transitions, 11 changer transitions 16/151 dead transitions. [2024-10-14 16:44:25,393 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 123 places, 151 transitions, 696 flow [2024-10-14 16:44:25,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-14 16:44:25,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-10-14 16:44:25,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 541 transitions. [2024-10-14 16:44:25,395 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6728855721393034 [2024-10-14 16:44:25,395 INFO L175 Difference]: Start difference. First operand has 121 places, 110 transitions, 370 flow. Second operand 6 states and 541 transitions. [2024-10-14 16:44:25,395 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 123 places, 151 transitions, 696 flow [2024-10-14 16:44:25,400 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 117 places, 151 transitions, 660 flow, removed 10 selfloop flow, removed 6 redundant places. [2024-10-14 16:44:25,402 INFO L231 Difference]: Finished difference. Result has 118 places, 110 transitions, 372 flow [2024-10-14 16:44:25,402 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=134, PETRI_DIFFERENCE_MINUEND_FLOW=342, PETRI_DIFFERENCE_MINUEND_PLACES=112, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=110, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=11, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=99, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=372, PETRI_PLACES=118, PETRI_TRANSITIONS=110} [2024-10-14 16:44:25,403 INFO L277 CegarLoopForPetriNet]: 134 programPoint places, -16 predicate places. [2024-10-14 16:44:25,403 INFO L471 AbstractCegarLoop]: Abstraction has has 118 places, 110 transitions, 372 flow [2024-10-14 16:44:25,403 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 80.83333333333333) internal successors, (485), 6 states have internal predecessors, (485), 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) [2024-10-14 16:44:25,403 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-14 16:44:25,404 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] [2024-10-14 16:44:25,404 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-10-14 16:44:25,404 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting writerErr3ASSERT_VIOLATIONDATA_RACE === [readerErr0ASSERT_VIOLATIONDATA_RACE, readerErr1ASSERT_VIOLATIONDATA_RACE, readerErr2ASSERT_VIOLATIONDATA_RACE, readerErr3ASSERT_VIOLATIONDATA_RACE (and 42 more)] === [2024-10-14 16:44:25,404 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 16:44:25,404 INFO L85 PathProgramCache]: Analyzing trace with hash -1517193739, now seen corresponding path program 2 times [2024-10-14 16:44:25,405 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 16:44:25,405 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1362338053] [2024-10-14 16:44:25,405 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 16:44:25,405 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 16:44:25,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 16:44:25,574 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 16:44:25,574 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 16:44:25,574 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1362338053] [2024-10-14 16:44:25,574 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1362338053] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 16:44:25,575 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 16:44:25,575 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-14 16:44:25,575 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1780632940] [2024-10-14 16:44:25,575 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 16:44:25,575 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-14 16:44:25,576 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 16:44:25,576 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-14 16:44:25,576 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-10-14 16:44:25,582 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 78 out of 134 [2024-10-14 16:44:25,583 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 118 places, 110 transitions, 372 flow. Second operand has 6 states, 6 states have (on average 80.83333333333333) internal successors, (485), 6 states have internal predecessors, (485), 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) [2024-10-14 16:44:25,583 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-14 16:44:25,583 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 78 of 134 [2024-10-14 16:44:25,583 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-14 16:44:25,748 INFO L124 PetriNetUnfolderBase]: 207/760 cut-off events. [2024-10-14 16:44:25,748 INFO L125 PetriNetUnfolderBase]: For 1156/1164 co-relation queries the response was YES. [2024-10-14 16:44:25,750 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1858 conditions, 760 events. 207/760 cut-off events. For 1156/1164 co-relation queries the response was YES. Maximal size of possible extension queue 58. Compared 4873 event pairs, 26 based on Foata normal form. 37/758 useless extension candidates. Maximal degree in co-relation 1848. Up to 183 conditions per place. [2024-10-14 16:44:25,751 INFO L140 encePairwiseOnDemand]: 125/134 looper letters, 0 selfloop transitions, 0 changer transitions 118/118 dead transitions. [2024-10-14 16:44:25,751 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 121 places, 118 transitions, 499 flow [2024-10-14 16:44:25,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-14 16:44:25,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-10-14 16:44:25,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 522 transitions. [2024-10-14 16:44:25,753 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6492537313432836 [2024-10-14 16:44:25,753 INFO L175 Difference]: Start difference. First operand has 118 places, 110 transitions, 372 flow. Second operand 6 states and 522 transitions. [2024-10-14 16:44:25,753 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 121 places, 118 transitions, 499 flow [2024-10-14 16:44:25,756 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 112 places, 118 transitions, 455 flow, removed 3 selfloop flow, removed 9 redundant places. [2024-10-14 16:44:25,756 INFO L231 Difference]: Finished difference. Result has 112 places, 0 transitions, 0 flow [2024-10-14 16:44:25,757 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=134, PETRI_DIFFERENCE_MINUEND_FLOW=264, PETRI_DIFFERENCE_MINUEND_PLACES=107, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=94, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=94, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=0, PETRI_PLACES=112, PETRI_TRANSITIONS=0} [2024-10-14 16:44:25,757 INFO L277 CegarLoopForPetriNet]: 134 programPoint places, -22 predicate places. [2024-10-14 16:44:25,757 INFO L471 AbstractCegarLoop]: Abstraction has has 112 places, 0 transitions, 0 flow [2024-10-14 16:44:25,758 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 80.83333333333333) internal successors, (485), 6 states have internal predecessors, (485), 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) [2024-10-14 16:44:25,760 INFO L782 garLoopResultBuilder]: Registering result SAFE for location readerErr0ASSERT_VIOLATIONDATA_RACE (45 of 46 remaining) [2024-10-14 16:44:25,761 INFO L782 garLoopResultBuilder]: Registering result SAFE for location readerErr1ASSERT_VIOLATIONDATA_RACE (44 of 46 remaining) [2024-10-14 16:44:25,761 INFO L782 garLoopResultBuilder]: Registering result SAFE for location readerErr2ASSERT_VIOLATIONDATA_RACE (43 of 46 remaining) [2024-10-14 16:44:25,761 INFO L782 garLoopResultBuilder]: Registering result SAFE for location readerErr3ASSERT_VIOLATIONDATA_RACE (42 of 46 remaining) [2024-10-14 16:44:25,761 INFO L782 garLoopResultBuilder]: Registering result SAFE for location readerErr4ASSERT_VIOLATIONDATA_RACE (41 of 46 remaining) [2024-10-14 16:44:25,761 INFO L782 garLoopResultBuilder]: Registering result SAFE for location readerErr5ASSERT_VIOLATIONDATA_RACE (40 of 46 remaining) [2024-10-14 16:44:25,761 INFO L782 garLoopResultBuilder]: Registering result SAFE for location readerErr6ASSERT_VIOLATIONDATA_RACE (39 of 46 remaining) [2024-10-14 16:44:25,761 INFO L782 garLoopResultBuilder]: Registering result SAFE for location readerErr7ASSERT_VIOLATIONDATA_RACE (38 of 46 remaining) [2024-10-14 16:44:25,762 INFO L782 garLoopResultBuilder]: Registering result SAFE for location readerErr8ASSERT_VIOLATIONDATA_RACE (37 of 46 remaining) [2024-10-14 16:44:25,762 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (36 of 46 remaining) [2024-10-14 16:44:25,762 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (35 of 46 remaining) [2024-10-14 16:44:25,762 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (34 of 46 remaining) [2024-10-14 16:44:25,762 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (33 of 46 remaining) [2024-10-14 16:44:25,762 INFO L782 garLoopResultBuilder]: Registering result SAFE for location writerErr0ASSERT_VIOLATIONDATA_RACE (32 of 46 remaining) [2024-10-14 16:44:25,762 INFO L782 garLoopResultBuilder]: Registering result SAFE for location writerErr1ASSERT_VIOLATIONDATA_RACE (31 of 46 remaining) [2024-10-14 16:44:25,763 INFO L782 garLoopResultBuilder]: Registering result SAFE for location writerErr2ASSERT_VIOLATIONDATA_RACE (30 of 46 remaining) [2024-10-14 16:44:25,763 INFO L782 garLoopResultBuilder]: Registering result SAFE for location writerErr3ASSERT_VIOLATIONDATA_RACE (29 of 46 remaining) [2024-10-14 16:44:25,763 INFO L782 garLoopResultBuilder]: Registering result SAFE for location writerErr4ASSERT_VIOLATIONDATA_RACE (28 of 46 remaining) [2024-10-14 16:44:25,763 INFO L782 garLoopResultBuilder]: Registering result SAFE for location readerErr0ASSERT_VIOLATIONDATA_RACE (27 of 46 remaining) [2024-10-14 16:44:25,763 INFO L782 garLoopResultBuilder]: Registering result SAFE for location readerErr1ASSERT_VIOLATIONDATA_RACE (26 of 46 remaining) [2024-10-14 16:44:25,763 INFO L782 garLoopResultBuilder]: Registering result SAFE for location readerErr2ASSERT_VIOLATIONDATA_RACE (25 of 46 remaining) [2024-10-14 16:44:25,763 INFO L782 garLoopResultBuilder]: Registering result SAFE for location readerErr3ASSERT_VIOLATIONDATA_RACE (24 of 46 remaining) [2024-10-14 16:44:25,763 INFO L782 garLoopResultBuilder]: Registering result SAFE for location readerErr4ASSERT_VIOLATIONDATA_RACE (23 of 46 remaining) [2024-10-14 16:44:25,764 INFO L782 garLoopResultBuilder]: Registering result SAFE for location readerErr5ASSERT_VIOLATIONDATA_RACE (22 of 46 remaining) [2024-10-14 16:44:25,764 INFO L782 garLoopResultBuilder]: Registering result SAFE for location readerErr6ASSERT_VIOLATIONDATA_RACE (21 of 46 remaining) [2024-10-14 16:44:25,764 INFO L782 garLoopResultBuilder]: Registering result SAFE for location readerErr7ASSERT_VIOLATIONDATA_RACE (20 of 46 remaining) [2024-10-14 16:44:25,764 INFO L782 garLoopResultBuilder]: Registering result SAFE for location readerErr8ASSERT_VIOLATIONDATA_RACE (19 of 46 remaining) [2024-10-14 16:44:25,764 INFO L782 garLoopResultBuilder]: Registering result SAFE for location readerErr0ASSERT_VIOLATIONDATA_RACE (18 of 46 remaining) [2024-10-14 16:44:25,764 INFO L782 garLoopResultBuilder]: Registering result SAFE for location readerErr1ASSERT_VIOLATIONDATA_RACE (17 of 46 remaining) [2024-10-14 16:44:25,764 INFO L782 garLoopResultBuilder]: Registering result SAFE for location readerErr2ASSERT_VIOLATIONDATA_RACE (16 of 46 remaining) [2024-10-14 16:44:25,764 INFO L782 garLoopResultBuilder]: Registering result SAFE for location readerErr3ASSERT_VIOLATIONDATA_RACE (15 of 46 remaining) [2024-10-14 16:44:25,765 INFO L782 garLoopResultBuilder]: Registering result SAFE for location readerErr4ASSERT_VIOLATIONDATA_RACE (14 of 46 remaining) [2024-10-14 16:44:25,765 INFO L782 garLoopResultBuilder]: Registering result SAFE for location readerErr5ASSERT_VIOLATIONDATA_RACE (13 of 46 remaining) [2024-10-14 16:44:25,765 INFO L782 garLoopResultBuilder]: Registering result SAFE for location readerErr6ASSERT_VIOLATIONDATA_RACE (12 of 46 remaining) [2024-10-14 16:44:25,765 INFO L782 garLoopResultBuilder]: Registering result SAFE for location readerErr7ASSERT_VIOLATIONDATA_RACE (11 of 46 remaining) [2024-10-14 16:44:25,765 INFO L782 garLoopResultBuilder]: Registering result SAFE for location readerErr8ASSERT_VIOLATIONDATA_RACE (10 of 46 remaining) [2024-10-14 16:44:25,765 INFO L782 garLoopResultBuilder]: Registering result SAFE for location writerErr0ASSERT_VIOLATIONDATA_RACE (9 of 46 remaining) [2024-10-14 16:44:25,765 INFO L782 garLoopResultBuilder]: Registering result SAFE for location writerErr1ASSERT_VIOLATIONDATA_RACE (8 of 46 remaining) [2024-10-14 16:44:25,765 INFO L782 garLoopResultBuilder]: Registering result SAFE for location writerErr2ASSERT_VIOLATIONDATA_RACE (7 of 46 remaining) [2024-10-14 16:44:25,765 INFO L782 garLoopResultBuilder]: Registering result SAFE for location writerErr3ASSERT_VIOLATIONDATA_RACE (6 of 46 remaining) [2024-10-14 16:44:25,766 INFO L782 garLoopResultBuilder]: Registering result SAFE for location writerErr4ASSERT_VIOLATIONDATA_RACE (5 of 46 remaining) [2024-10-14 16:44:25,766 INFO L782 garLoopResultBuilder]: Registering result SAFE for location writerErr0ASSERT_VIOLATIONDATA_RACE (4 of 46 remaining) [2024-10-14 16:44:25,766 INFO L782 garLoopResultBuilder]: Registering result SAFE for location writerErr1ASSERT_VIOLATIONDATA_RACE (3 of 46 remaining) [2024-10-14 16:44:25,766 INFO L782 garLoopResultBuilder]: Registering result SAFE for location writerErr2ASSERT_VIOLATIONDATA_RACE (2 of 46 remaining) [2024-10-14 16:44:25,766 INFO L782 garLoopResultBuilder]: Registering result SAFE for location writerErr3ASSERT_VIOLATIONDATA_RACE (1 of 46 remaining) [2024-10-14 16:44:25,766 INFO L782 garLoopResultBuilder]: Registering result SAFE for location writerErr4ASSERT_VIOLATIONDATA_RACE (0 of 46 remaining) [2024-10-14 16:44:25,766 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-10-14 16:44:25,767 INFO L407 BasicCegarLoop]: Path program histogram: [2, 2, 2, 1, 1, 1, 1] [2024-10-14 16:44:25,774 INFO L234 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-10-14 16:44:25,775 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-14 16:44:25,779 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.10 04:44:25 BasicIcfg [2024-10-14 16:44:25,779 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-14 16:44:25,780 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-14 16:44:25,780 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-14 16:44:25,780 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-14 16:44:25,781 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 04:44:17" (3/4) ... [2024-10-14 16:44:25,782 INFO L139 WitnessPrinter]: Generating witness for correct program [2024-10-14 16:44:25,784 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure reader [2024-10-14 16:44:25,785 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure writer [2024-10-14 16:44:25,789 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2024-10-14 16:44:25,789 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-10-14 16:44:25,789 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-10-14 16:44:25,789 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-10-14 16:44:25,872 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-10-14 16:44:25,873 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-10-14 16:44:25,873 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-14 16:44:25,874 INFO L158 Benchmark]: Toolchain (without parser) took 9733.54ms. Allocated memory was 190.8MB in the beginning and 906.0MB in the end (delta: 715.1MB). Free memory was 120.9MB in the beginning and 627.3MB in the end (delta: -506.4MB). Peak memory consumption was 210.2MB. Max. memory is 16.1GB. [2024-10-14 16:44:25,874 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 121.6MB. Free memory is still 81.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-14 16:44:25,874 INFO L158 Benchmark]: CACSL2BoogieTranslator took 501.11ms. Allocated memory is still 190.8MB. Free memory was 120.5MB in the beginning and 99.3MB in the end (delta: 21.1MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2024-10-14 16:44:25,874 INFO L158 Benchmark]: Boogie Procedure Inliner took 53.63ms. Allocated memory is still 190.8MB. Free memory was 99.3MB in the beginning and 96.7MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-14 16:44:25,874 INFO L158 Benchmark]: Boogie Preprocessor took 47.36ms. Allocated memory is still 190.8MB. Free memory was 96.7MB in the beginning and 95.2MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-14 16:44:25,875 INFO L158 Benchmark]: RCFGBuilder took 491.18ms. Allocated memory is still 190.8MB. Free memory was 95.2MB in the beginning and 70.1MB in the end (delta: 25.0MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-10-14 16:44:25,875 INFO L158 Benchmark]: TraceAbstraction took 8522.41ms. Allocated memory was 190.8MB in the beginning and 906.0MB in the end (delta: 715.1MB). Free memory was 159.3MB in the beginning and 632.5MB in the end (delta: -473.3MB). Peak memory consumption was 242.1MB. Max. memory is 16.1GB. [2024-10-14 16:44:25,875 INFO L158 Benchmark]: Witness Printer took 93.18ms. Allocated memory is still 906.0MB. Free memory was 631.5MB in the beginning and 627.3MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-14 16:44:25,877 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 121.6MB. Free memory is still 81.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 501.11ms. Allocated memory is still 190.8MB. Free memory was 120.5MB in the beginning and 99.3MB in the end (delta: 21.1MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 53.63ms. Allocated memory is still 190.8MB. Free memory was 99.3MB in the beginning and 96.7MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 47.36ms. Allocated memory is still 190.8MB. Free memory was 96.7MB in the beginning and 95.2MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 491.18ms. Allocated memory is still 190.8MB. Free memory was 95.2MB in the beginning and 70.1MB in the end (delta: 25.0MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * TraceAbstraction took 8522.41ms. Allocated memory was 190.8MB in the beginning and 906.0MB in the end (delta: 715.1MB). Free memory was 159.3MB in the beginning and 632.5MB in the end (delta: -473.3MB). Peak memory consumption was 242.1MB. Max. memory is 16.1GB. * Witness Printer took 93.18ms. Allocated memory is still 906.0MB. Free memory was 631.5MB in the beginning and 627.3MB 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: 710]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 711]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 711]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 728]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 731]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 734]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 737]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 714]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 714]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 706]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 706]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 707]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 718]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 720]: 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 7 procedures, 176 locations, 46 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: 8.4s, OverallIterations: 10, TraceHistogramMax: 1, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 6.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 290 SdHoareTripleChecker+Valid, 1.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 261 mSDsluCounter, 33 SdHoareTripleChecker+Invalid, 0.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 6 mSDsCounter, 64 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1045 IncrementalHoareTripleChecker+Invalid, 1109 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 64 mSolverCounterUnsat, 27 mSDtfsCounter, 1045 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 46 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=426occurred in iteration=7, InterpolantAutomatonStates: 45, 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, 1.2s InterpolantComputationTime, 452 NumberOfCodeBlocks, 452 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 442 ConstructedInterpolants, 0 QuantifiedInterpolants, 1534 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 10 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 14 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-10-14 16:44:25,903 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