./Ultimate.py --spec ../sv-benchmarks/c/properties/no-data-race.prp --file ../sv-benchmarks/c/pthread/fib_unsafe-12.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 3289d67d Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/pthread/fib_unsafe-12.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 0d5255e9cc8ffb776115e75fa8fa1fa6c2774a79275dfd8235c357288b00417c --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-3289d67-m [2024-11-16 23:10:58,405 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-16 23:10:58,504 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-16 23:10:58,508 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-16 23:10:58,509 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-16 23:10:58,535 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-16 23:10:58,535 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-16 23:10:58,535 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-16 23:10:58,536 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-16 23:10:58,536 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-16 23:10:58,537 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-16 23:10:58,537 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-16 23:10:58,538 INFO L153 SettingsManager]: * Use SBE=true [2024-11-16 23:10:58,539 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-16 23:10:58,539 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-16 23:10:58,539 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-16 23:10:58,540 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-16 23:10:58,540 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-16 23:10:58,540 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-16 23:10:58,541 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-16 23:10:58,541 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-16 23:10:58,544 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-16 23:10:58,545 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-16 23:10:58,545 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-16 23:10:58,549 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-16 23:10:58,549 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-16 23:10:58,550 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-16 23:10:58,550 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-16 23:10:58,550 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-16 23:10:58,550 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-16 23:10:58,551 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-16 23:10:58,551 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 23:10:58,551 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-16 23:10:58,552 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-16 23:10:58,552 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-16 23:10:58,552 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-16 23:10:58,554 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-16 23:10:58,554 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-16 23:10:58,554 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-16 23:10:58,555 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-16 23:10:58,555 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-16 23:10:58,556 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0d5255e9cc8ffb776115e75fa8fa1fa6c2774a79275dfd8235c357288b00417c [2024-11-16 23:10:58,810 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-16 23:10:58,835 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-16 23:10:58,838 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-16 23:10:58,839 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-16 23:10:58,840 INFO L274 PluginConnector]: CDTParser initialized [2024-11-16 23:10:58,841 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread/fib_unsafe-12.i [2024-11-16 23:11:00,194 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-16 23:11:00,451 INFO L384 CDTParser]: Found 1 translation units. [2024-11-16 23:11:00,453 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread/fib_unsafe-12.i [2024-11-16 23:11:00,471 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fbd721e4c/98a52e66f9274336a10a3f353189befb/FLAGbfd4a1e15 [2024-11-16 23:11:00,485 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fbd721e4c/98a52e66f9274336a10a3f353189befb [2024-11-16 23:11:00,487 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-16 23:11:00,488 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-16 23:11:00,490 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-16 23:11:00,490 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-16 23:11:00,494 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-16 23:11:00,495 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 11:11:00" (1/1) ... [2024-11-16 23:11:00,496 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@63d78da4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:11:00, skipping insertion in model container [2024-11-16 23:11:00,496 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 11:11:00" (1/1) ... [2024-11-16 23:11:00,532 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-16 23:11:00,909 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 23:11:00,919 INFO L200 MainTranslator]: Completed pre-run [2024-11-16 23:11:00,976 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 23:11:01,014 INFO L204 MainTranslator]: Completed translation [2024-11-16 23:11:01,014 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:11:01 WrapperNode [2024-11-16 23:11:01,015 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-16 23:11:01,016 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-16 23:11:01,016 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-16 23:11:01,016 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-16 23:11:01,022 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:11:01" (1/1) ... [2024-11-16 23:11:01,040 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:11:01" (1/1) ... [2024-11-16 23:11:01,067 INFO L138 Inliner]: procedures = 164, calls = 21, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 117 [2024-11-16 23:11:01,068 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-16 23:11:01,068 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-16 23:11:01,068 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-16 23:11:01,068 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-16 23:11:01,106 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:11:01" (1/1) ... [2024-11-16 23:11:01,107 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:11:01" (1/1) ... [2024-11-16 23:11:01,110 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:11:01" (1/1) ... [2024-11-16 23:11:01,111 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:11:01" (1/1) ... [2024-11-16 23:11:01,122 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:11:01" (1/1) ... [2024-11-16 23:11:01,123 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:11:01" (1/1) ... [2024-11-16 23:11:01,128 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:11:01" (1/1) ... [2024-11-16 23:11:01,130 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:11:01" (1/1) ... [2024-11-16 23:11:01,132 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-16 23:11:01,136 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-16 23:11:01,136 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-16 23:11:01,136 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-16 23:11:01,137 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:11:01" (1/1) ... [2024-11-16 23:11:01,169 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 23:11:01,197 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 23:11:01,224 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-16 23:11:01,227 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-16 23:11:01,271 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2024-11-16 23:11:01,272 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2024-11-16 23:11:01,272 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2024-11-16 23:11:01,272 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2024-11-16 23:11:01,272 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-16 23:11:01,272 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-16 23:11:01,272 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-16 23:11:01,272 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-16 23:11:01,273 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-16 23:11:01,273 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-16 23:11:01,274 WARN L225 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-16 23:11:01,414 INFO L256 CfgBuilder]: Building ICFG [2024-11-16 23:11:01,416 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-16 23:11:01,702 INFO L303 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-16 23:11:01,702 INFO L307 CfgBuilder]: Performing block encoding [2024-11-16 23:11:01,787 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-16 23:11:01,789 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-16 23:11:01,790 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 11:11:01 BoogieIcfgContainer [2024-11-16 23:11:01,792 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-16 23:11:01,794 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-16 23:11:01,795 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-16 23:11:01,798 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-16 23:11:01,798 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 11:11:00" (1/3) ... [2024-11-16 23:11:01,799 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1df10453 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 11:11:01, skipping insertion in model container [2024-11-16 23:11:01,799 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:11:01" (2/3) ... [2024-11-16 23:11:01,801 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1df10453 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 11:11:01, skipping insertion in model container [2024-11-16 23:11:01,801 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 11:11:01" (3/3) ... [2024-11-16 23:11:01,802 INFO L112 eAbstractionObserver]: Analyzing ICFG fib_unsafe-12.i [2024-11-16 23:11:01,819 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-16 23:11:01,819 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 30 error locations. [2024-11-16 23:11:01,820 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-16 23:11:01,881 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-11-16 23:11:01,924 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 182 places, 183 transitions, 374 flow [2024-11-16 23:11:01,990 INFO L124 PetriNetUnfolderBase]: 8/181 cut-off events. [2024-11-16 23:11:01,990 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-16 23:11:02,002 INFO L83 FinitePrefix]: Finished finitePrefix Result has 188 conditions, 181 events. 8/181 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 376 event pairs, 0 based on Foata normal form. 0/143 useless extension candidates. Maximal degree in co-relation 155. Up to 2 conditions per place. [2024-11-16 23:11:02,002 INFO L82 GeneralOperation]: Start removeDead. Operand has 182 places, 183 transitions, 374 flow [2024-11-16 23:11:02,010 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 180 places, 181 transitions, 368 flow [2024-11-16 23:11:02,022 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-16 23:11:02,027 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;@b714262, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-16 23:11:02,027 INFO L334 AbstractCegarLoop]: Starting to check reachability of 46 error locations. [2024-11-16 23:11:02,033 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-16 23:11:02,034 INFO L124 PetriNetUnfolderBase]: 0/20 cut-off events. [2024-11-16 23:11:02,034 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-16 23:11:02,034 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:11:02,035 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] [2024-11-16 23:11:02,035 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE (and 43 more)] === [2024-11-16 23:11:02,040 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:11:02,040 INFO L85 PathProgramCache]: Analyzing trace with hash -306607071, now seen corresponding path program 1 times [2024-11-16 23:11:02,048 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:11:02,049 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [795464193] [2024-11-16 23:11:02,049 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:11:02,049 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:11:02,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:11:02,215 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:11:02,215 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:11:02,216 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [795464193] [2024-11-16 23:11:02,216 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [795464193] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:11:02,216 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:11:02,217 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-16 23:11:02,218 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [763345322] [2024-11-16 23:11:02,219 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:11:02,227 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-16 23:11:02,233 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:11:02,256 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-16 23:11:02,257 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-16 23:11:02,259 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 160 out of 183 [2024-11-16 23:11:02,262 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 180 places, 181 transitions, 368 flow. Second operand has 2 states, 2 states have (on average 160.5) internal successors, (321), 2 states have internal predecessors, (321), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 23:11:02,262 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:11:02,263 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 160 of 183 [2024-11-16 23:11:02,263 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:11:02,363 INFO L124 PetriNetUnfolderBase]: 13/317 cut-off events. [2024-11-16 23:11:02,365 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2024-11-16 23:11:02,371 INFO L83 FinitePrefix]: Finished finitePrefix Result has 347 conditions, 317 events. 13/317 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 1173 event pairs, 6 based on Foata normal form. 23/286 useless extension candidates. Maximal degree in co-relation 312. Up to 21 conditions per place. [2024-11-16 23:11:02,375 INFO L140 encePairwiseOnDemand]: 168/183 looper letters, 7 selfloop transitions, 0 changer transitions 0/164 dead transitions. [2024-11-16 23:11:02,375 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 169 places, 164 transitions, 348 flow [2024-11-16 23:11:02,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-16 23:11:02,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2024-11-16 23:11:02,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 342 transitions. [2024-11-16 23:11:02,391 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9344262295081968 [2024-11-16 23:11:02,393 INFO L175 Difference]: Start difference. First operand has 180 places, 181 transitions, 368 flow. Second operand 2 states and 342 transitions. [2024-11-16 23:11:02,394 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 169 places, 164 transitions, 348 flow [2024-11-16 23:11:02,397 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 167 places, 164 transitions, 346 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-16 23:11:02,401 INFO L231 Difference]: Finished difference. Result has 167 places, 164 transitions, 332 flow [2024-11-16 23:11:02,404 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=183, PETRI_DIFFERENCE_MINUEND_FLOW=332, PETRI_DIFFERENCE_MINUEND_PLACES=166, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=164, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=164, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=332, PETRI_PLACES=167, PETRI_TRANSITIONS=164} [2024-11-16 23:11:02,410 INFO L277 CegarLoopForPetriNet]: 180 programPoint places, -13 predicate places. [2024-11-16 23:11:02,410 INFO L471 AbstractCegarLoop]: Abstraction has has 167 places, 164 transitions, 332 flow [2024-11-16 23:11:02,410 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 160.5) internal successors, (321), 2 states have internal predecessors, (321), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 23:11:02,411 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:11:02,411 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] [2024-11-16 23:11:02,411 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-16 23:11:02,411 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting t1Err6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE (and 43 more)] === [2024-11-16 23:11:02,412 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:11:02,413 INFO L85 PathProgramCache]: Analyzing trace with hash 389593455, now seen corresponding path program 1 times [2024-11-16 23:11:02,413 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:11:02,413 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1576283082] [2024-11-16 23:11:02,413 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:11:02,414 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:11:02,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:11:02,549 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:11:02,549 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:11:02,552 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1576283082] [2024-11-16 23:11:02,552 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1576283082] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:11:02,552 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:11:02,553 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 23:11:02,553 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1574470304] [2024-11-16 23:11:02,553 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:11:02,554 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:11:02,554 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:11:02,555 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:11:02,555 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:11:02,589 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 152 out of 183 [2024-11-16 23:11:02,591 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 167 places, 164 transitions, 332 flow. Second operand has 3 states, 3 states have (on average 154.0) internal successors, (462), 3 states have internal predecessors, (462), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 23:11:02,591 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:11:02,592 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 152 of 183 [2024-11-16 23:11:02,592 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:11:02,771 INFO L124 PetriNetUnfolderBase]: 63/594 cut-off events. [2024-11-16 23:11:02,771 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-16 23:11:02,777 INFO L83 FinitePrefix]: Finished finitePrefix Result has 719 conditions, 594 events. 63/594 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 25. Compared 3289 event pairs, 29 based on Foata normal form. 0/474 useless extension candidates. Maximal degree in co-relation 716. Up to 81 conditions per place. [2024-11-16 23:11:02,781 INFO L140 encePairwiseOnDemand]: 180/183 looper letters, 15 selfloop transitions, 2 changer transitions 0/166 dead transitions. [2024-11-16 23:11:02,781 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 168 places, 166 transitions, 372 flow [2024-11-16 23:11:02,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:11:02,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:11:02,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 474 transitions. [2024-11-16 23:11:02,784 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8633879781420765 [2024-11-16 23:11:02,784 INFO L175 Difference]: Start difference. First operand has 167 places, 164 transitions, 332 flow. Second operand 3 states and 474 transitions. [2024-11-16 23:11:02,785 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 168 places, 166 transitions, 372 flow [2024-11-16 23:11:02,786 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 168 places, 166 transitions, 372 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-16 23:11:02,789 INFO L231 Difference]: Finished difference. Result has 168 places, 163 transitions, 334 flow [2024-11-16 23:11:02,790 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=183, PETRI_DIFFERENCE_MINUEND_FLOW=330, PETRI_DIFFERENCE_MINUEND_PLACES=166, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=163, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=161, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=334, PETRI_PLACES=168, PETRI_TRANSITIONS=163} [2024-11-16 23:11:02,790 INFO L277 CegarLoopForPetriNet]: 180 programPoint places, -12 predicate places. [2024-11-16 23:11:02,791 INFO L471 AbstractCegarLoop]: Abstraction has has 168 places, 163 transitions, 334 flow [2024-11-16 23:11:02,791 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 154.0) internal successors, (462), 3 states have internal predecessors, (462), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 23:11:02,791 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:11:02,792 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] [2024-11-16 23:11:02,792 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-16 23:11:02,792 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting t1Err5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE (and 43 more)] === [2024-11-16 23:11:02,793 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:11:02,793 INFO L85 PathProgramCache]: Analyzing trace with hash 1377409151, now seen corresponding path program 1 times [2024-11-16 23:11:02,793 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:11:02,793 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1482337051] [2024-11-16 23:11:02,794 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:11:02,794 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:11:02,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:11:02,881 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:11:02,882 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:11:02,883 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1482337051] [2024-11-16 23:11:02,884 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1482337051] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:11:02,884 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:11:02,884 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 23:11:02,884 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [777237050] [2024-11-16 23:11:02,885 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:11:02,885 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:11:02,886 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:11:02,887 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:11:02,887 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:11:02,913 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 152 out of 183 [2024-11-16 23:11:02,915 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 168 places, 163 transitions, 334 flow. Second operand has 3 states, 3 states have (on average 154.0) internal successors, (462), 3 states have internal predecessors, (462), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 23:11:02,915 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:11:02,915 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 152 of 183 [2024-11-16 23:11:02,915 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:11:03,021 INFO L124 PetriNetUnfolderBase]: 50/334 cut-off events. [2024-11-16 23:11:03,024 INFO L125 PetriNetUnfolderBase]: For 5/5 co-relation queries the response was YES. [2024-11-16 23:11:03,027 INFO L83 FinitePrefix]: Finished finitePrefix Result has 451 conditions, 334 events. 50/334 cut-off events. For 5/5 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 1543 event pairs, 11 based on Foata normal form. 0/276 useless extension candidates. Maximal degree in co-relation 447. Up to 55 conditions per place. [2024-11-16 23:11:03,029 INFO L140 encePairwiseOnDemand]: 179/183 looper letters, 14 selfloop transitions, 2 changer transitions 0/164 dead transitions. [2024-11-16 23:11:03,029 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 168 places, 164 transitions, 370 flow [2024-11-16 23:11:03,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:11:03,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:11:03,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 474 transitions. [2024-11-16 23:11:03,033 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8633879781420765 [2024-11-16 23:11:03,033 INFO L175 Difference]: Start difference. First operand has 168 places, 163 transitions, 334 flow. Second operand 3 states and 474 transitions. [2024-11-16 23:11:03,034 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 168 places, 164 transitions, 370 flow [2024-11-16 23:11:03,037 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 166 places, 164 transitions, 366 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-16 23:11:03,039 INFO L231 Difference]: Finished difference. Result has 166 places, 161 transitions, 330 flow [2024-11-16 23:11:03,041 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=183, PETRI_DIFFERENCE_MINUEND_FLOW=326, PETRI_DIFFERENCE_MINUEND_PLACES=164, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=161, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=159, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=330, PETRI_PLACES=166, PETRI_TRANSITIONS=161} [2024-11-16 23:11:03,042 INFO L277 CegarLoopForPetriNet]: 180 programPoint places, -14 predicate places. [2024-11-16 23:11:03,043 INFO L471 AbstractCegarLoop]: Abstraction has has 166 places, 161 transitions, 330 flow [2024-11-16 23:11:03,043 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 154.0) internal successors, (462), 3 states have internal predecessors, (462), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 23:11:03,043 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:11:03,044 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] [2024-11-16 23:11:03,044 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-16 23:11:03,044 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting t2Err6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE (and 43 more)] === [2024-11-16 23:11:03,044 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:11:03,045 INFO L85 PathProgramCache]: Analyzing trace with hash 2056029520, now seen corresponding path program 1 times [2024-11-16 23:11:03,045 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:11:03,045 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1370940434] [2024-11-16 23:11:03,045 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:11:03,047 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:11:03,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:11:03,101 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:11:03,102 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:11:03,102 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1370940434] [2024-11-16 23:11:03,102 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1370940434] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:11:03,102 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:11:03,102 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 23:11:03,103 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1530210170] [2024-11-16 23:11:03,103 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:11:03,103 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:11:03,104 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:11:03,104 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:11:03,106 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:11:03,134 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 152 out of 183 [2024-11-16 23:11:03,136 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 166 places, 161 transitions, 330 flow. Second operand has 3 states, 3 states have (on average 154.33333333333334) internal successors, (463), 3 states have internal predecessors, (463), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 23:11:03,136 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:11:03,136 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 152 of 183 [2024-11-16 23:11:03,136 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:11:03,205 INFO L124 PetriNetUnfolderBase]: 41/346 cut-off events. [2024-11-16 23:11:03,205 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-16 23:11:03,208 INFO L83 FinitePrefix]: Finished finitePrefix Result has 432 conditions, 346 events. 41/346 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 1662 event pairs, 26 based on Foata normal form. 0/285 useless extension candidates. Maximal degree in co-relation 428. Up to 59 conditions per place. [2024-11-16 23:11:03,210 INFO L140 encePairwiseOnDemand]: 180/183 looper letters, 14 selfloop transitions, 2 changer transitions 0/162 dead transitions. [2024-11-16 23:11:03,210 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 167 places, 162 transitions, 364 flow [2024-11-16 23:11:03,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:11:03,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:11:03,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 473 transitions. [2024-11-16 23:11:03,213 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8615664845173042 [2024-11-16 23:11:03,213 INFO L175 Difference]: Start difference. First operand has 166 places, 161 transitions, 330 flow. Second operand 3 states and 473 transitions. [2024-11-16 23:11:03,213 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 167 places, 162 transitions, 364 flow [2024-11-16 23:11:03,215 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 165 places, 162 transitions, 360 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-16 23:11:03,216 INFO L231 Difference]: Finished difference. Result has 165 places, 160 transitions, 328 flow [2024-11-16 23:11:03,217 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=183, PETRI_DIFFERENCE_MINUEND_FLOW=324, PETRI_DIFFERENCE_MINUEND_PLACES=163, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=160, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=158, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=328, PETRI_PLACES=165, PETRI_TRANSITIONS=160} [2024-11-16 23:11:03,217 INFO L277 CegarLoopForPetriNet]: 180 programPoint places, -15 predicate places. [2024-11-16 23:11:03,218 INFO L471 AbstractCegarLoop]: Abstraction has has 165 places, 160 transitions, 328 flow [2024-11-16 23:11:03,219 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 154.33333333333334) internal successors, (463), 3 states have internal predecessors, (463), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 23:11:03,219 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:11:03,219 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] [2024-11-16 23:11:03,219 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-16 23:11:03,220 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE (and 43 more)] === [2024-11-16 23:11:03,221 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:11:03,221 INFO L85 PathProgramCache]: Analyzing trace with hash -1171555619, now seen corresponding path program 1 times [2024-11-16 23:11:03,221 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:11:03,223 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [314800186] [2024-11-16 23:11:03,223 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:11:03,223 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:11:03,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:11:03,271 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:11:03,274 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:11:03,274 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [314800186] [2024-11-16 23:11:03,274 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [314800186] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:11:03,274 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:11:03,275 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 23:11:03,275 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [909516601] [2024-11-16 23:11:03,275 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:11:03,275 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:11:03,276 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:11:03,276 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:11:03,276 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:11:03,302 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 150 out of 183 [2024-11-16 23:11:03,303 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 165 places, 160 transitions, 328 flow. Second operand has 3 states, 3 states have (on average 152.66666666666666) internal successors, (458), 3 states have internal predecessors, (458), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 23:11:03,303 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:11:03,303 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 150 of 183 [2024-11-16 23:11:03,303 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:11:03,371 INFO L124 PetriNetUnfolderBase]: 65/510 cut-off events. [2024-11-16 23:11:03,371 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-16 23:11:03,374 INFO L83 FinitePrefix]: Finished finitePrefix Result has 630 conditions, 510 events. 65/510 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 2788 event pairs, 24 based on Foata normal form. 0/425 useless extension candidates. Maximal degree in co-relation 626. Up to 87 conditions per place. [2024-11-16 23:11:03,377 INFO L140 encePairwiseOnDemand]: 180/183 looper letters, 16 selfloop transitions, 2 changer transitions 0/161 dead transitions. [2024-11-16 23:11:03,377 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 166 places, 161 transitions, 366 flow [2024-11-16 23:11:03,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:11:03,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:11:03,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 469 transitions. [2024-11-16 23:11:03,379 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8542805100182149 [2024-11-16 23:11:03,379 INFO L175 Difference]: Start difference. First operand has 165 places, 160 transitions, 328 flow. Second operand 3 states and 469 transitions. [2024-11-16 23:11:03,379 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 166 places, 161 transitions, 366 flow [2024-11-16 23:11:03,381 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 164 places, 161 transitions, 362 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-16 23:11:03,382 INFO L231 Difference]: Finished difference. Result has 164 places, 159 transitions, 326 flow [2024-11-16 23:11:03,383 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=183, PETRI_DIFFERENCE_MINUEND_FLOW=322, PETRI_DIFFERENCE_MINUEND_PLACES=162, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=159, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=157, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=326, PETRI_PLACES=164, PETRI_TRANSITIONS=159} [2024-11-16 23:11:03,385 INFO L277 CegarLoopForPetriNet]: 180 programPoint places, -16 predicate places. [2024-11-16 23:11:03,385 INFO L471 AbstractCegarLoop]: Abstraction has has 164 places, 159 transitions, 326 flow [2024-11-16 23:11:03,386 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 152.66666666666666) internal successors, (458), 3 states have internal predecessors, (458), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 23:11:03,386 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:11:03,386 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] [2024-11-16 23:11:03,387 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-16 23:11:03,387 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting t2Err5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE (and 43 more)] === [2024-11-16 23:11:03,387 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:11:03,388 INFO L85 PathProgramCache]: Analyzing trace with hash 647276892, now seen corresponding path program 1 times [2024-11-16 23:11:03,388 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:11:03,388 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1361403619] [2024-11-16 23:11:03,388 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:11:03,388 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:11:03,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:11:03,430 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:11:03,431 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:11:03,431 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1361403619] [2024-11-16 23:11:03,431 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1361403619] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:11:03,431 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:11:03,431 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 23:11:03,431 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1407048620] [2024-11-16 23:11:03,431 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:11:03,432 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:11:03,432 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:11:03,432 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:11:03,432 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:11:03,451 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 152 out of 183 [2024-11-16 23:11:03,452 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 164 places, 159 transitions, 326 flow. Second operand has 3 states, 3 states have (on average 154.33333333333334) internal successors, (463), 3 states have internal predecessors, (463), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 23:11:03,452 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:11:03,452 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 152 of 183 [2024-11-16 23:11:03,452 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:11:03,507 INFO L124 PetriNetUnfolderBase]: 37/358 cut-off events. [2024-11-16 23:11:03,508 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-16 23:11:03,510 INFO L83 FinitePrefix]: Finished finitePrefix Result has 438 conditions, 358 events. 37/358 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 1755 event pairs, 16 based on Foata normal form. 0/307 useless extension candidates. Maximal degree in co-relation 434. Up to 40 conditions per place. [2024-11-16 23:11:03,513 INFO L140 encePairwiseOnDemand]: 179/183 looper letters, 13 selfloop transitions, 2 changer transitions 0/159 dead transitions. [2024-11-16 23:11:03,514 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 164 places, 159 transitions, 356 flow [2024-11-16 23:11:03,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:11:03,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:11:03,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 473 transitions. [2024-11-16 23:11:03,516 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8615664845173042 [2024-11-16 23:11:03,516 INFO L175 Difference]: Start difference. First operand has 164 places, 159 transitions, 326 flow. Second operand 3 states and 473 transitions. [2024-11-16 23:11:03,516 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 164 places, 159 transitions, 356 flow [2024-11-16 23:11:03,517 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 162 places, 159 transitions, 352 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-16 23:11:03,519 INFO L231 Difference]: Finished difference. Result has 162 places, 157 transitions, 322 flow [2024-11-16 23:11:03,519 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=183, PETRI_DIFFERENCE_MINUEND_FLOW=318, PETRI_DIFFERENCE_MINUEND_PLACES=160, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=157, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=155, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=322, PETRI_PLACES=162, PETRI_TRANSITIONS=157} [2024-11-16 23:11:03,521 INFO L277 CegarLoopForPetriNet]: 180 programPoint places, -18 predicate places. [2024-11-16 23:11:03,522 INFO L471 AbstractCegarLoop]: Abstraction has has 162 places, 157 transitions, 322 flow [2024-11-16 23:11:03,523 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 154.33333333333334) internal successors, (463), 3 states have internal predecessors, (463), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 23:11:03,523 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:11:03,523 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] [2024-11-16 23:11:03,523 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-16 23:11:03,523 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting t1Err0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE (and 43 more)] === [2024-11-16 23:11:03,524 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:11:03,524 INFO L85 PathProgramCache]: Analyzing trace with hash 1829382361, now seen corresponding path program 1 times [2024-11-16 23:11:03,524 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:11:03,524 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [403425786] [2024-11-16 23:11:03,524 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:11:03,524 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:11:03,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:11:03,564 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:11:03,565 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:11:03,565 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [403425786] [2024-11-16 23:11:03,565 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [403425786] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:11:03,565 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:11:03,566 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 23:11:03,566 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [158877064] [2024-11-16 23:11:03,566 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:11:03,575 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:11:03,575 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:11:03,576 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:11:03,576 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:11:03,599 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 152 out of 183 [2024-11-16 23:11:03,600 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 162 places, 157 transitions, 322 flow. Second operand has 3 states, 3 states have (on average 155.33333333333334) internal successors, (466), 3 states have internal predecessors, (466), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 23:11:03,600 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:11:03,600 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 152 of 183 [2024-11-16 23:11:03,600 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:11:03,662 INFO L124 PetriNetUnfolderBase]: 49/403 cut-off events. [2024-11-16 23:11:03,663 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-16 23:11:03,665 INFO L83 FinitePrefix]: Finished finitePrefix Result has 529 conditions, 403 events. 49/403 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 1974 event pairs, 28 based on Foata normal form. 0/356 useless extension candidates. Maximal degree in co-relation 525. Up to 71 conditions per place. [2024-11-16 23:11:03,667 INFO L140 encePairwiseOnDemand]: 180/183 looper letters, 15 selfloop transitions, 2 changer transitions 0/159 dead transitions. [2024-11-16 23:11:03,667 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 163 places, 159 transitions, 362 flow [2024-11-16 23:11:03,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:11:03,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:11:03,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 474 transitions. [2024-11-16 23:11:03,668 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8633879781420765 [2024-11-16 23:11:03,669 INFO L175 Difference]: Start difference. First operand has 162 places, 157 transitions, 322 flow. Second operand 3 states and 474 transitions. [2024-11-16 23:11:03,669 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 163 places, 159 transitions, 362 flow [2024-11-16 23:11:03,670 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 161 places, 159 transitions, 358 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-16 23:11:03,672 INFO L231 Difference]: Finished difference. Result has 161 places, 156 transitions, 320 flow [2024-11-16 23:11:03,672 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=183, PETRI_DIFFERENCE_MINUEND_FLOW=316, PETRI_DIFFERENCE_MINUEND_PLACES=159, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=156, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=154, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=320, PETRI_PLACES=161, PETRI_TRANSITIONS=156} [2024-11-16 23:11:03,672 INFO L277 CegarLoopForPetriNet]: 180 programPoint places, -19 predicate places. [2024-11-16 23:11:03,673 INFO L471 AbstractCegarLoop]: Abstraction has has 161 places, 156 transitions, 320 flow [2024-11-16 23:11:03,673 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 155.33333333333334) internal successors, (466), 3 states have internal predecessors, (466), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 23:11:03,673 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:11:03,673 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] [2024-11-16 23:11:03,673 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-16 23:11:03,674 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE (and 43 more)] === [2024-11-16 23:11:03,674 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:11:03,674 INFO L85 PathProgramCache]: Analyzing trace with hash -908815480, now seen corresponding path program 1 times [2024-11-16 23:11:03,674 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:11:03,674 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1842774960] [2024-11-16 23:11:03,674 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:11:03,675 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:11:03,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:11:03,713 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:11:03,713 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:11:03,713 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1842774960] [2024-11-16 23:11:03,713 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1842774960] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:11:03,713 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:11:03,713 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 23:11:03,714 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1686501806] [2024-11-16 23:11:03,714 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:11:03,714 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:11:03,714 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:11:03,715 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:11:03,715 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:11:03,732 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 152 out of 183 [2024-11-16 23:11:03,733 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 161 places, 156 transitions, 320 flow. Second operand has 3 states, 3 states have (on average 154.33333333333334) internal successors, (463), 3 states have internal predecessors, (463), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 23:11:03,733 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:11:03,733 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 152 of 183 [2024-11-16 23:11:03,733 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:11:03,794 INFO L124 PetriNetUnfolderBase]: 37/427 cut-off events. [2024-11-16 23:11:03,795 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-16 23:11:03,797 INFO L83 FinitePrefix]: Finished finitePrefix Result has 505 conditions, 427 events. 37/427 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 2070 event pairs, 10 based on Foata normal form. 0/375 useless extension candidates. Maximal degree in co-relation 501. Up to 40 conditions per place. [2024-11-16 23:11:03,799 INFO L140 encePairwiseOnDemand]: 179/183 looper letters, 13 selfloop transitions, 2 changer transitions 0/156 dead transitions. [2024-11-16 23:11:03,799 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 161 places, 156 transitions, 350 flow [2024-11-16 23:11:03,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:11:03,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:11:03,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 473 transitions. [2024-11-16 23:11:03,801 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8615664845173042 [2024-11-16 23:11:03,801 INFO L175 Difference]: Start difference. First operand has 161 places, 156 transitions, 320 flow. Second operand 3 states and 473 transitions. [2024-11-16 23:11:03,801 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 161 places, 156 transitions, 350 flow [2024-11-16 23:11:03,802 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 159 places, 156 transitions, 346 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-16 23:11:03,804 INFO L231 Difference]: Finished difference. Result has 159 places, 154 transitions, 316 flow [2024-11-16 23:11:03,804 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=183, PETRI_DIFFERENCE_MINUEND_FLOW=312, PETRI_DIFFERENCE_MINUEND_PLACES=157, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=154, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=152, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=316, PETRI_PLACES=159, PETRI_TRANSITIONS=154} [2024-11-16 23:11:03,806 INFO L277 CegarLoopForPetriNet]: 180 programPoint places, -21 predicate places. [2024-11-16 23:11:03,806 INFO L471 AbstractCegarLoop]: Abstraction has has 159 places, 154 transitions, 316 flow [2024-11-16 23:11:03,806 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 154.33333333333334) internal successors, (463), 3 states have internal predecessors, (463), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 23:11:03,807 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:11:03,807 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] [2024-11-16 23:11:03,807 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-16 23:11:03,807 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE (and 43 more)] === [2024-11-16 23:11:03,807 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:11:03,808 INFO L85 PathProgramCache]: Analyzing trace with hash 952126913, now seen corresponding path program 1 times [2024-11-16 23:11:03,808 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:11:03,811 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1140584200] [2024-11-16 23:11:03,811 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:11:03,811 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:11:03,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:11:03,849 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:11:03,850 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:11:03,850 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1140584200] [2024-11-16 23:11:03,850 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1140584200] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:11:03,852 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:11:03,852 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 23:11:03,853 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1124613890] [2024-11-16 23:11:03,853 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:11:03,853 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:11:03,853 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:11:03,854 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:11:03,854 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:11:03,870 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 153 out of 183 [2024-11-16 23:11:03,871 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 159 places, 154 transitions, 316 flow. Second operand has 3 states, 3 states have (on average 155.0) internal successors, (465), 3 states have internal predecessors, (465), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 23:11:03,871 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:11:03,871 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 153 of 183 [2024-11-16 23:11:03,871 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:11:03,927 INFO L124 PetriNetUnfolderBase]: 33/391 cut-off events. [2024-11-16 23:11:03,927 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-16 23:11:03,930 INFO L83 FinitePrefix]: Finished finitePrefix Result has 465 conditions, 391 events. 33/391 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 1774 event pairs, 6 based on Foata normal form. 0/351 useless extension candidates. Maximal degree in co-relation 461. Up to 40 conditions per place. [2024-11-16 23:11:03,931 INFO L140 encePairwiseOnDemand]: 178/183 looper letters, 11 selfloop transitions, 3 changer transitions 0/154 dead transitions. [2024-11-16 23:11:03,932 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 159 places, 154 transitions, 344 flow [2024-11-16 23:11:03,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:11:03,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:11:03,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 475 transitions. [2024-11-16 23:11:03,933 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8652094717668488 [2024-11-16 23:11:03,933 INFO L175 Difference]: Start difference. First operand has 159 places, 154 transitions, 316 flow. Second operand 3 states and 475 transitions. [2024-11-16 23:11:03,933 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 159 places, 154 transitions, 344 flow [2024-11-16 23:11:03,934 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 157 places, 154 transitions, 340 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-16 23:11:03,936 INFO L231 Difference]: Finished difference. Result has 157 places, 152 transitions, 314 flow [2024-11-16 23:11:03,937 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=183, PETRI_DIFFERENCE_MINUEND_FLOW=308, PETRI_DIFFERENCE_MINUEND_PLACES=155, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=152, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=149, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=314, PETRI_PLACES=157, PETRI_TRANSITIONS=152} [2024-11-16 23:11:03,938 INFO L277 CegarLoopForPetriNet]: 180 programPoint places, -23 predicate places. [2024-11-16 23:11:03,938 INFO L471 AbstractCegarLoop]: Abstraction has has 157 places, 152 transitions, 314 flow [2024-11-16 23:11:03,938 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 155.0) internal successors, (465), 3 states have internal predecessors, (465), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 23:11:03,938 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:11:03,939 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] [2024-11-16 23:11:03,939 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-16 23:11:03,939 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE (and 43 more)] === [2024-11-16 23:11:03,939 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:11:03,939 INFO L85 PathProgramCache]: Analyzing trace with hash 165937205, now seen corresponding path program 1 times [2024-11-16 23:11:03,940 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:11:03,940 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [55952709] [2024-11-16 23:11:03,940 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:11:03,940 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:11:03,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:11:03,979 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:11:03,981 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:11:03,981 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [55952709] [2024-11-16 23:11:03,981 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [55952709] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:11:03,981 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:11:03,981 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 23:11:03,982 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1444073271] [2024-11-16 23:11:03,982 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:11:03,982 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:11:03,982 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:11:03,982 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:11:03,983 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:11:03,996 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 153 out of 183 [2024-11-16 23:11:03,997 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 157 places, 152 transitions, 314 flow. Second operand has 3 states, 3 states have (on average 155.0) internal successors, (465), 3 states have internal predecessors, (465), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 23:11:03,999 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:11:03,999 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 153 of 183 [2024-11-16 23:11:03,999 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:11:04,054 INFO L124 PetriNetUnfolderBase]: 35/387 cut-off events. [2024-11-16 23:11:04,055 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-16 23:11:04,057 INFO L83 FinitePrefix]: Finished finitePrefix Result has 467 conditions, 387 events. 35/387 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 1663 event pairs, 10 based on Foata normal form. 0/349 useless extension candidates. Maximal degree in co-relation 463. Up to 32 conditions per place. [2024-11-16 23:11:04,059 INFO L140 encePairwiseOnDemand]: 179/183 looper letters, 12 selfloop transitions, 2 changer transitions 0/152 dead transitions. [2024-11-16 23:11:04,059 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 157 places, 152 transitions, 342 flow [2024-11-16 23:11:04,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:11:04,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:11:04,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 475 transitions. [2024-11-16 23:11:04,060 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8652094717668488 [2024-11-16 23:11:04,060 INFO L175 Difference]: Start difference. First operand has 157 places, 152 transitions, 314 flow. Second operand 3 states and 475 transitions. [2024-11-16 23:11:04,061 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 157 places, 152 transitions, 342 flow [2024-11-16 23:11:04,062 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 155 places, 152 transitions, 336 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-16 23:11:04,063 INFO L231 Difference]: Finished difference. Result has 155 places, 150 transitions, 308 flow [2024-11-16 23:11:04,064 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=183, PETRI_DIFFERENCE_MINUEND_FLOW=304, PETRI_DIFFERENCE_MINUEND_PLACES=153, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=150, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=148, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=308, PETRI_PLACES=155, PETRI_TRANSITIONS=150} [2024-11-16 23:11:04,065 INFO L277 CegarLoopForPetriNet]: 180 programPoint places, -25 predicate places. [2024-11-16 23:11:04,065 INFO L471 AbstractCegarLoop]: Abstraction has has 155 places, 150 transitions, 308 flow [2024-11-16 23:11:04,066 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 155.0) internal successors, (465), 3 states have internal predecessors, (465), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 23:11:04,066 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:11:04,066 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] [2024-11-16 23:11:04,066 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-16 23:11:04,066 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting t2Err0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE (and 43 more)] === [2024-11-16 23:11:04,067 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:11:04,067 INFO L85 PathProgramCache]: Analyzing trace with hash -508481094, now seen corresponding path program 1 times [2024-11-16 23:11:04,067 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:11:04,069 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [551336112] [2024-11-16 23:11:04,069 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:11:04,069 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:11:04,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:11:04,111 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:11:04,112 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:11:04,112 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [551336112] [2024-11-16 23:11:04,112 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [551336112] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:11:04,114 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:11:04,115 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 23:11:04,115 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1726087512] [2024-11-16 23:11:04,115 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:11:04,115 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:11:04,116 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:11:04,116 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:11:04,116 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:11:04,139 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 152 out of 183 [2024-11-16 23:11:04,140 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 155 places, 150 transitions, 308 flow. Second operand has 3 states, 3 states have (on average 155.66666666666666) internal successors, (467), 3 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 23:11:04,140 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:11:04,140 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 152 of 183 [2024-11-16 23:11:04,140 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:11:04,189 INFO L124 PetriNetUnfolderBase]: 37/313 cut-off events. [2024-11-16 23:11:04,190 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-16 23:11:04,192 INFO L83 FinitePrefix]: Finished finitePrefix Result has 397 conditions, 313 events. 37/313 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 1456 event pairs, 22 based on Foata normal form. 0/281 useless extension candidates. Maximal degree in co-relation 393. Up to 55 conditions per place. [2024-11-16 23:11:04,193 INFO L140 encePairwiseOnDemand]: 180/183 looper letters, 14 selfloop transitions, 2 changer transitions 0/151 dead transitions. [2024-11-16 23:11:04,194 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 156 places, 151 transitions, 342 flow [2024-11-16 23:11:04,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:11:04,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:11:04,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 473 transitions. [2024-11-16 23:11:04,196 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8615664845173042 [2024-11-16 23:11:04,196 INFO L175 Difference]: Start difference. First operand has 155 places, 150 transitions, 308 flow. Second operand 3 states and 473 transitions. [2024-11-16 23:11:04,196 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 156 places, 151 transitions, 342 flow [2024-11-16 23:11:04,197 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 154 places, 151 transitions, 338 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-16 23:11:04,199 INFO L231 Difference]: Finished difference. Result has 154 places, 149 transitions, 306 flow [2024-11-16 23:11:04,199 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=183, PETRI_DIFFERENCE_MINUEND_FLOW=302, PETRI_DIFFERENCE_MINUEND_PLACES=152, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=149, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=147, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=306, PETRI_PLACES=154, PETRI_TRANSITIONS=149} [2024-11-16 23:11:04,200 INFO L277 CegarLoopForPetriNet]: 180 programPoint places, -26 predicate places. [2024-11-16 23:11:04,201 INFO L471 AbstractCegarLoop]: Abstraction has has 154 places, 149 transitions, 306 flow [2024-11-16 23:11:04,201 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 155.66666666666666) internal successors, (467), 3 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 23:11:04,202 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:11:04,202 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 23:11:04,202 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-16 23:11:04,202 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE (and 43 more)] === [2024-11-16 23:11:04,202 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:11:04,202 INFO L85 PathProgramCache]: Analyzing trace with hash 2068033668, now seen corresponding path program 1 times [2024-11-16 23:11:04,202 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:11:04,202 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1662307109] [2024-11-16 23:11:04,203 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:11:04,203 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:11:04,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:11:04,255 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:11:04,256 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:11:04,256 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1662307109] [2024-11-16 23:11:04,256 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1662307109] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:11:04,256 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:11:04,256 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 23:11:04,256 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2005224632] [2024-11-16 23:11:04,256 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:11:04,257 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:11:04,257 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:11:04,258 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:11:04,258 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:11:04,273 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 152 out of 183 [2024-11-16 23:11:04,274 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 154 places, 149 transitions, 306 flow. Second operand has 3 states, 3 states have (on average 154.66666666666666) internal successors, (464), 3 states have internal predecessors, (464), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 23:11:04,274 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:11:04,274 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 152 of 183 [2024-11-16 23:11:04,274 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:11:04,331 INFO L124 PetriNetUnfolderBase]: 41/415 cut-off events. [2024-11-16 23:11:04,331 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-16 23:11:04,334 INFO L83 FinitePrefix]: Finished finitePrefix Result has 503 conditions, 415 events. 41/415 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 2042 event pairs, 26 based on Foata normal form. 0/385 useless extension candidates. Maximal degree in co-relation 499. Up to 59 conditions per place. [2024-11-16 23:11:04,335 INFO L140 encePairwiseOnDemand]: 180/183 looper letters, 14 selfloop transitions, 2 changer transitions 0/150 dead transitions. [2024-11-16 23:11:04,335 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 155 places, 150 transitions, 340 flow [2024-11-16 23:11:04,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:11:04,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:11:04,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 473 transitions. [2024-11-16 23:11:04,337 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8615664845173042 [2024-11-16 23:11:04,337 INFO L175 Difference]: Start difference. First operand has 154 places, 149 transitions, 306 flow. Second operand 3 states and 473 transitions. [2024-11-16 23:11:04,337 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 155 places, 150 transitions, 340 flow [2024-11-16 23:11:04,338 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 153 places, 150 transitions, 336 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-16 23:11:04,340 INFO L231 Difference]: Finished difference. Result has 153 places, 148 transitions, 304 flow [2024-11-16 23:11:04,340 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=183, PETRI_DIFFERENCE_MINUEND_FLOW=300, PETRI_DIFFERENCE_MINUEND_PLACES=151, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=148, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=146, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=304, PETRI_PLACES=153, PETRI_TRANSITIONS=148} [2024-11-16 23:11:04,341 INFO L277 CegarLoopForPetriNet]: 180 programPoint places, -27 predicate places. [2024-11-16 23:11:04,341 INFO L471 AbstractCegarLoop]: Abstraction has has 153 places, 148 transitions, 304 flow [2024-11-16 23:11:04,341 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 154.66666666666666) internal successors, (464), 3 states have internal predecessors, (464), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 23:11:04,342 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:11:04,342 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] [2024-11-16 23:11:04,342 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-16 23:11:04,342 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE (and 43 more)] === [2024-11-16 23:11:04,342 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:11:04,343 INFO L85 PathProgramCache]: Analyzing trace with hash 1098412296, now seen corresponding path program 1 times [2024-11-16 23:11:04,343 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:11:04,343 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1830528688] [2024-11-16 23:11:04,343 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:11:04,343 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:11:04,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:11:04,383 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:11:04,383 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:11:04,384 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1830528688] [2024-11-16 23:11:04,384 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1830528688] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:11:04,384 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:11:04,384 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 23:11:04,385 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [547642651] [2024-11-16 23:11:04,385 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:11:04,386 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:11:04,386 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:11:04,386 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:11:04,386 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:11:04,406 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 151 out of 183 [2024-11-16 23:11:04,407 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 153 places, 148 transitions, 304 flow. Second operand has 3 states, 3 states have (on average 154.0) internal successors, (462), 3 states have internal predecessors, (462), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 23:11:04,407 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:11:04,407 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 151 of 183 [2024-11-16 23:11:04,407 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:11:04,462 INFO L124 PetriNetUnfolderBase]: 45/415 cut-off events. [2024-11-16 23:11:04,463 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-16 23:11:04,465 INFO L83 FinitePrefix]: Finished finitePrefix Result has 515 conditions, 415 events. 45/415 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 2023 event pairs, 30 based on Foata normal form. 0/389 useless extension candidates. Maximal degree in co-relation 511. Up to 67 conditions per place. [2024-11-16 23:11:04,466 INFO L140 encePairwiseOnDemand]: 180/183 looper letters, 15 selfloop transitions, 2 changer transitions 0/149 dead transitions. [2024-11-16 23:11:04,467 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 154 places, 149 transitions, 340 flow [2024-11-16 23:11:04,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:11:04,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:11:04,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 471 transitions. [2024-11-16 23:11:04,469 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8579234972677595 [2024-11-16 23:11:04,469 INFO L175 Difference]: Start difference. First operand has 153 places, 148 transitions, 304 flow. Second operand 3 states and 471 transitions. [2024-11-16 23:11:04,469 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 154 places, 149 transitions, 340 flow [2024-11-16 23:11:04,470 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 152 places, 149 transitions, 336 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-16 23:11:04,472 INFO L231 Difference]: Finished difference. Result has 152 places, 147 transitions, 302 flow [2024-11-16 23:11:04,472 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=183, PETRI_DIFFERENCE_MINUEND_FLOW=298, PETRI_DIFFERENCE_MINUEND_PLACES=150, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=147, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=145, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=302, PETRI_PLACES=152, PETRI_TRANSITIONS=147} [2024-11-16 23:11:04,473 INFO L277 CegarLoopForPetriNet]: 180 programPoint places, -28 predicate places. [2024-11-16 23:11:04,473 INFO L471 AbstractCegarLoop]: Abstraction has has 152 places, 147 transitions, 302 flow [2024-11-16 23:11:04,474 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 154.0) internal successors, (462), 3 states have internal predecessors, (462), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 23:11:04,474 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:11:04,474 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] [2024-11-16 23:11:04,474 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-16 23:11:04,474 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE (and 43 more)] === [2024-11-16 23:11:04,475 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:11:04,475 INFO L85 PathProgramCache]: Analyzing trace with hash -554787949, now seen corresponding path program 1 times [2024-11-16 23:11:04,476 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:11:04,476 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1287295393] [2024-11-16 23:11:04,476 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:11:04,476 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:11:04,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:11:04,519 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:11:04,520 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:11:04,520 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1287295393] [2024-11-16 23:11:04,520 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1287295393] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:11:04,520 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:11:04,520 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 23:11:04,521 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [864673159] [2024-11-16 23:11:04,521 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:11:04,521 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:11:04,521 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:11:04,522 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:11:04,522 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:11:04,530 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 156 out of 183 [2024-11-16 23:11:04,531 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 152 places, 147 transitions, 302 flow. Second operand has 3 states, 3 states have (on average 158.33333333333334) internal successors, (475), 3 states have internal predecessors, (475), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 23:11:04,531 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:11:04,531 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 156 of 183 [2024-11-16 23:11:04,531 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:11:04,591 INFO L124 PetriNetUnfolderBase]: 39/507 cut-off events. [2024-11-16 23:11:04,592 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-16 23:11:04,595 INFO L83 FinitePrefix]: Finished finitePrefix Result has 585 conditions, 507 events. 39/507 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 2135 event pairs, 10 based on Foata normal form. 0/473 useless extension candidates. Maximal degree in co-relation 581. Up to 35 conditions per place. [2024-11-16 23:11:04,597 INFO L140 encePairwiseOnDemand]: 180/183 looper letters, 12 selfloop transitions, 2 changer transitions 0/150 dead transitions. [2024-11-16 23:11:04,597 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 153 places, 150 transitions, 336 flow [2024-11-16 23:11:04,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:11:04,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:11:04,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 483 transitions. [2024-11-16 23:11:04,599 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8797814207650273 [2024-11-16 23:11:04,599 INFO L175 Difference]: Start difference. First operand has 152 places, 147 transitions, 302 flow. Second operand 3 states and 483 transitions. [2024-11-16 23:11:04,599 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 153 places, 150 transitions, 336 flow [2024-11-16 23:11:04,600 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 151 places, 150 transitions, 332 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-16 23:11:04,603 INFO L231 Difference]: Finished difference. Result has 152 places, 147 transitions, 306 flow [2024-11-16 23:11:04,604 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=183, PETRI_DIFFERENCE_MINUEND_FLOW=296, PETRI_DIFFERENCE_MINUEND_PLACES=149, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=146, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=144, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=306, PETRI_PLACES=152, PETRI_TRANSITIONS=147} [2024-11-16 23:11:04,604 INFO L277 CegarLoopForPetriNet]: 180 programPoint places, -28 predicate places. [2024-11-16 23:11:04,605 INFO L471 AbstractCegarLoop]: Abstraction has has 152 places, 147 transitions, 306 flow [2024-11-16 23:11:04,605 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 158.33333333333334) internal successors, (475), 3 states have internal predecessors, (475), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 23:11:04,605 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:11:04,605 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 23:11:04,606 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-16 23:11:04,606 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE (and 43 more)] === [2024-11-16 23:11:04,606 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:11:04,606 INFO L85 PathProgramCache]: Analyzing trace with hash 1223838009, now seen corresponding path program 1 times [2024-11-16 23:11:04,606 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:11:04,606 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2124398584] [2024-11-16 23:11:04,606 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:11:04,607 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:11:04,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:11:04,646 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:11:04,647 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:11:04,647 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2124398584] [2024-11-16 23:11:04,647 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2124398584] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:11:04,647 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:11:04,647 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 23:11:04,647 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1821417972] [2024-11-16 23:11:04,647 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:11:04,648 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:11:04,648 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:11:04,648 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:11:04,648 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:11:04,668 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 151 out of 183 [2024-11-16 23:11:04,668 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 152 places, 147 transitions, 306 flow. Second operand has 3 states, 3 states have (on average 154.33333333333334) internal successors, (463), 3 states have internal predecessors, (463), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 23:11:04,669 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:11:04,669 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 151 of 183 [2024-11-16 23:11:04,669 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:11:04,733 INFO L124 PetriNetUnfolderBase]: 57/555 cut-off events. [2024-11-16 23:11:04,733 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2024-11-16 23:11:04,736 INFO L83 FinitePrefix]: Finished finitePrefix Result has 688 conditions, 555 events. 57/555 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 2776 event pairs, 42 based on Foata normal form. 0/529 useless extension candidates. Maximal degree in co-relation 683. Up to 91 conditions per place. [2024-11-16 23:11:04,738 INFO L140 encePairwiseOnDemand]: 180/183 looper letters, 15 selfloop transitions, 2 changer transitions 0/148 dead transitions. [2024-11-16 23:11:04,738 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 153 places, 148 transitions, 342 flow [2024-11-16 23:11:04,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:11:04,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:11:04,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 471 transitions. [2024-11-16 23:11:04,740 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8579234972677595 [2024-11-16 23:11:04,740 INFO L175 Difference]: Start difference. First operand has 152 places, 147 transitions, 306 flow. Second operand 3 states and 471 transitions. [2024-11-16 23:11:04,740 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 153 places, 148 transitions, 342 flow [2024-11-16 23:11:04,741 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 152 places, 148 transitions, 340 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-16 23:11:04,743 INFO L231 Difference]: Finished difference. Result has 152 places, 146 transitions, 306 flow [2024-11-16 23:11:04,744 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=183, PETRI_DIFFERENCE_MINUEND_FLOW=302, PETRI_DIFFERENCE_MINUEND_PLACES=150, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=146, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=144, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=306, PETRI_PLACES=152, PETRI_TRANSITIONS=146} [2024-11-16 23:11:04,744 INFO L277 CegarLoopForPetriNet]: 180 programPoint places, -28 predicate places. [2024-11-16 23:11:04,744 INFO L471 AbstractCegarLoop]: Abstraction has has 152 places, 146 transitions, 306 flow [2024-11-16 23:11:04,745 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 154.33333333333334) internal successors, (463), 3 states have internal predecessors, (463), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 23:11:04,745 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:11:04,745 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 23:11:04,745 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-16 23:11:04,745 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE (and 43 more)] === [2024-11-16 23:11:04,746 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:11:04,746 INFO L85 PathProgramCache]: Analyzing trace with hash -1465825251, now seen corresponding path program 1 times [2024-11-16 23:11:04,746 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:11:04,746 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [750920645] [2024-11-16 23:11:04,746 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:11:04,746 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:11:04,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:11:04,782 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:11:04,782 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:11:04,782 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [750920645] [2024-11-16 23:11:04,783 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [750920645] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:11:04,783 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:11:04,783 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 23:11:04,783 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1091185651] [2024-11-16 23:11:04,783 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:11:04,783 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:11:04,784 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:11:04,784 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:11:04,784 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:11:04,808 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 150 out of 183 [2024-11-16 23:11:04,809 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 152 places, 146 transitions, 306 flow. Second operand has 3 states, 3 states have (on average 153.66666666666666) internal successors, (461), 3 states have internal predecessors, (461), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 23:11:04,809 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:11:04,809 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 150 of 183 [2024-11-16 23:11:04,809 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:11:04,875 INFO L124 PetriNetUnfolderBase]: 61/555 cut-off events. [2024-11-16 23:11:04,876 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-16 23:11:04,879 INFO L83 FinitePrefix]: Finished finitePrefix Result has 700 conditions, 555 events. 61/555 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 2736 event pairs, 46 based on Foata normal form. 0/531 useless extension candidates. Maximal degree in co-relation 695. Up to 99 conditions per place. [2024-11-16 23:11:04,880 INFO L140 encePairwiseOnDemand]: 180/183 looper letters, 0 selfloop transitions, 0 changer transitions 147/147 dead transitions. [2024-11-16 23:11:04,880 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 153 places, 147 transitions, 344 flow [2024-11-16 23:11:04,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:11:04,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:11:04,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 469 transitions. [2024-11-16 23:11:04,882 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8542805100182149 [2024-11-16 23:11:04,882 INFO L175 Difference]: Start difference. First operand has 152 places, 146 transitions, 306 flow. Second operand 3 states and 469 transitions. [2024-11-16 23:11:04,882 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 153 places, 147 transitions, 344 flow [2024-11-16 23:11:04,884 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 151 places, 147 transitions, 340 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-16 23:11:04,885 INFO L231 Difference]: Finished difference. Result has 151 places, 0 transitions, 0 flow [2024-11-16 23:11:04,885 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=183, PETRI_DIFFERENCE_MINUEND_FLOW=300, PETRI_DIFFERENCE_MINUEND_PLACES=149, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=145, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=145, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=151, PETRI_TRANSITIONS=0} [2024-11-16 23:11:04,885 INFO L277 CegarLoopForPetriNet]: 180 programPoint places, -29 predicate places. [2024-11-16 23:11:04,885 INFO L471 AbstractCegarLoop]: Abstraction has has 151 places, 0 transitions, 0 flow [2024-11-16 23:11:04,886 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 153.66666666666666) internal successors, (461), 3 states have internal predecessors, (461), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 23:11:04,889 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE (45 of 46 remaining) [2024-11-16 23:11:04,889 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE (44 of 46 remaining) [2024-11-16 23:11:04,889 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE (43 of 46 remaining) [2024-11-16 23:11:04,889 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE (42 of 46 remaining) [2024-11-16 23:11:04,889 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (41 of 46 remaining) [2024-11-16 23:11:04,890 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (40 of 46 remaining) [2024-11-16 23:11:04,890 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (39 of 46 remaining) [2024-11-16 23:11:04,890 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (38 of 46 remaining) [2024-11-16 23:11:04,890 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (37 of 46 remaining) [2024-11-16 23:11:04,890 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (36 of 46 remaining) [2024-11-16 23:11:04,890 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (35 of 46 remaining) [2024-11-16 23:11:04,890 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (34 of 46 remaining) [2024-11-16 23:11:04,891 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (33 of 46 remaining) [2024-11-16 23:11:04,891 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (32 of 46 remaining) [2024-11-16 23:11:04,891 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (31 of 46 remaining) [2024-11-16 23:11:04,891 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (30 of 46 remaining) [2024-11-16 23:11:04,891 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (29 of 46 remaining) [2024-11-16 23:11:04,891 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (28 of 46 remaining) [2024-11-16 23:11:04,891 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t1Err6ASSERT_VIOLATIONDATA_RACE (27 of 46 remaining) [2024-11-16 23:11:04,891 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t1Err5ASSERT_VIOLATIONDATA_RACE (26 of 46 remaining) [2024-11-16 23:11:04,892 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t1Err4ASSERT_VIOLATIONDATA_RACE (25 of 46 remaining) [2024-11-16 23:11:04,892 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t1Err3ASSERT_VIOLATIONDATA_RACE (24 of 46 remaining) [2024-11-16 23:11:04,892 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t1Err2ASSERT_VIOLATIONDATA_RACE (23 of 46 remaining) [2024-11-16 23:11:04,892 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t1Err1ASSERT_VIOLATIONDATA_RACE (22 of 46 remaining) [2024-11-16 23:11:04,892 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t1Err0ASSERT_VIOLATIONDATA_RACE (21 of 46 remaining) [2024-11-16 23:11:04,892 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t2Err6ASSERT_VIOLATIONDATA_RACE (20 of 46 remaining) [2024-11-16 23:11:04,892 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t2Err5ASSERT_VIOLATIONDATA_RACE (19 of 46 remaining) [2024-11-16 23:11:04,893 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t2Err4ASSERT_VIOLATIONDATA_RACE (18 of 46 remaining) [2024-11-16 23:11:04,893 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t2Err3ASSERT_VIOLATIONDATA_RACE (17 of 46 remaining) [2024-11-16 23:11:04,893 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t2Err2ASSERT_VIOLATIONDATA_RACE (16 of 46 remaining) [2024-11-16 23:11:04,893 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t2Err1ASSERT_VIOLATIONDATA_RACE (15 of 46 remaining) [2024-11-16 23:11:04,893 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t2Err0ASSERT_VIOLATIONDATA_RACE (14 of 46 remaining) [2024-11-16 23:11:04,893 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t1Err6ASSERT_VIOLATIONDATA_RACE (13 of 46 remaining) [2024-11-16 23:11:04,893 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t1Err5ASSERT_VIOLATIONDATA_RACE (12 of 46 remaining) [2024-11-16 23:11:04,893 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t1Err4ASSERT_VIOLATIONDATA_RACE (11 of 46 remaining) [2024-11-16 23:11:04,894 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t1Err3ASSERT_VIOLATIONDATA_RACE (10 of 46 remaining) [2024-11-16 23:11:04,894 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t1Err2ASSERT_VIOLATIONDATA_RACE (9 of 46 remaining) [2024-11-16 23:11:04,894 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t1Err1ASSERT_VIOLATIONDATA_RACE (8 of 46 remaining) [2024-11-16 23:11:04,894 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t1Err0ASSERT_VIOLATIONDATA_RACE (7 of 46 remaining) [2024-11-16 23:11:04,894 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t2Err6ASSERT_VIOLATIONDATA_RACE (6 of 46 remaining) [2024-11-16 23:11:04,894 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t2Err5ASSERT_VIOLATIONDATA_RACE (5 of 46 remaining) [2024-11-16 23:11:04,894 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t2Err4ASSERT_VIOLATIONDATA_RACE (4 of 46 remaining) [2024-11-16 23:11:04,894 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t2Err3ASSERT_VIOLATIONDATA_RACE (3 of 46 remaining) [2024-11-16 23:11:04,894 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t2Err2ASSERT_VIOLATIONDATA_RACE (2 of 46 remaining) [2024-11-16 23:11:04,894 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t2Err1ASSERT_VIOLATIONDATA_RACE (1 of 46 remaining) [2024-11-16 23:11:04,894 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t2Err0ASSERT_VIOLATIONDATA_RACE (0 of 46 remaining) [2024-11-16 23:11:04,894 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-16 23:11:04,895 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 23:11:04,901 INFO L239 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-16 23:11:04,902 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-16 23:11:04,907 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.11 11:11:04 BasicIcfg [2024-11-16 23:11:04,907 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-16 23:11:04,908 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-16 23:11:04,908 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-16 23:11:04,908 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-16 23:11:04,908 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 11:11:01" (3/4) ... [2024-11-16 23:11:04,910 INFO L143 WitnessPrinter]: Generating witness for correct program [2024-11-16 23:11:04,913 INFO L393 IcfgBacktranslator]: Ignoring RootEdge to procedure t1 [2024-11-16 23:11:04,913 INFO L393 IcfgBacktranslator]: Ignoring RootEdge to procedure t2 [2024-11-16 23:11:04,918 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2024-11-16 23:11:04,918 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2024-11-16 23:11:04,918 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-11-16 23:11:04,919 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-16 23:11:04,997 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-16 23:11:04,997 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-11-16 23:11:04,997 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-16 23:11:04,997 INFO L158 Benchmark]: Toolchain (without parser) took 4509.46ms. Allocated memory was 182.5MB in the beginning and 249.6MB in the end (delta: 67.1MB). Free memory was 111.5MB in the beginning and 173.3MB in the end (delta: -61.7MB). Peak memory consumption was 7.0MB. Max. memory is 16.1GB. [2024-11-16 23:11:04,998 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 182.5MB. Free memory was 143.4MB in the beginning and 143.2MB in the end (delta: 203.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-16 23:11:04,998 INFO L158 Benchmark]: CACSL2BoogieTranslator took 525.20ms. Allocated memory is still 182.5MB. Free memory was 111.2MB in the beginning and 89.1MB in the end (delta: 22.2MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2024-11-16 23:11:04,998 INFO L158 Benchmark]: Boogie Procedure Inliner took 52.12ms. Allocated memory is still 182.5MB. Free memory was 89.1MB in the beginning and 87.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-16 23:11:04,998 INFO L158 Benchmark]: Boogie Preprocessor took 66.80ms. Allocated memory is still 182.5MB. Free memory was 87.0MB in the beginning and 149.8MB in the end (delta: -62.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-16 23:11:04,999 INFO L158 Benchmark]: IcfgBuilder took 656.14ms. Allocated memory is still 182.5MB. Free memory was 149.8MB in the beginning and 123.6MB in the end (delta: 26.2MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2024-11-16 23:11:04,999 INFO L158 Benchmark]: TraceAbstraction took 3113.10ms. Allocated memory was 182.5MB in the beginning and 249.6MB in the end (delta: 67.1MB). Free memory was 123.6MB in the beginning and 177.5MB in the end (delta: -53.8MB). Peak memory consumption was 15.3MB. Max. memory is 16.1GB. [2024-11-16 23:11:04,999 INFO L158 Benchmark]: Witness Printer took 89.33ms. Allocated memory is still 249.6MB. Free memory was 176.4MB in the beginning and 173.3MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-16 23:11:05,001 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 182.5MB. Free memory was 143.4MB in the beginning and 143.2MB in the end (delta: 203.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 525.20ms. Allocated memory is still 182.5MB. Free memory was 111.2MB in the beginning and 89.1MB in the end (delta: 22.2MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 52.12ms. Allocated memory is still 182.5MB. Free memory was 89.1MB in the beginning and 87.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 66.80ms. Allocated memory is still 182.5MB. Free memory was 87.0MB in the beginning and 149.8MB in the end (delta: -62.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * IcfgBuilder took 656.14ms. Allocated memory is still 182.5MB. Free memory was 149.8MB in the beginning and 123.6MB in the end (delta: 26.2MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * TraceAbstraction took 3113.10ms. Allocated memory was 182.5MB in the beginning and 249.6MB in the end (delta: 67.1MB). Free memory was 123.6MB in the beginning and 177.5MB in the end (delta: -53.8MB). Peak memory consumption was 15.3MB. Max. memory is 16.1GB. * Witness Printer took 89.33ms. Allocated memory is still 249.6MB. Free memory was 176.4MB in the beginning and 173.3MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 715]: 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: 705]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 705]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 710]: 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: 724]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 724]: 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: 707]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 708]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 708]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 705]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 705]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 687]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 687]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 689]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 689]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 689]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 687]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 687]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 695]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 695]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 697]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 697]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 697]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 695]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 695]: 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 5 procedures, 236 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: 3.0s, OverallIterations: 16, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 321 SdHoareTripleChecker+Valid, 0.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 113 mSDsluCounter, 70 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 31 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 508 IncrementalHoareTripleChecker+Invalid, 539 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 31 mSolverCounterUnsat, 70 mSDtfsCounter, 508 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 31 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=368occurred in iteration=0, InterpolantAutomatonStates: 47, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 745 NumberOfCodeBlocks, 745 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 729 ConstructedInterpolants, 0 QuantifiedInterpolants, 759 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 16 InterpolantComputations, 16 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 30 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-11-16 23:11:05,033 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE