/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-VariableLbe.epf --traceabstraction.order.of.the.error.locations.to.be.checked PROGRAM_FIRST -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml --cacsl2boogietranslator.check.unreachability.of.reach_error.function false --cacsl2boogietranslator.check.absence.of.data.races.in.concurrent.programs true -i ../../../trunk/examples/svcomp/weaver/bench-exp2x4.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-ac9dbd0-m [2023-08-26 08:20:44,962 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-08-26 08:20:45,046 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-VariableLbe.epf [2023-08-26 08:20:45,051 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-08-26 08:20:45,052 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2023-08-26 08:20:45,084 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-26 08:20:45,085 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-26 08:20:45,089 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-26 08:20:45,090 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-26 08:20:45,094 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-08-26 08:20:45,094 INFO L153 SettingsManager]: * Use SBE=true [2023-08-26 08:20:45,094 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-26 08:20:45,094 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-26 08:20:45,095 INFO L153 SettingsManager]: * sizeof long=4 [2023-08-26 08:20:45,096 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-26 08:20:45,096 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-08-26 08:20:45,096 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-08-26 08:20:45,096 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-26 08:20:45,096 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-26 08:20:45,096 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-26 08:20:45,097 INFO L153 SettingsManager]: * sizeof long double=12 [2023-08-26 08:20:45,097 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-08-26 08:20:45,097 INFO L153 SettingsManager]: * Use constant arrays=true [2023-08-26 08:20:45,098 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-26 08:20:45,098 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-26 08:20:45,098 INFO L153 SettingsManager]: * To the following directory=./dump/ [2023-08-26 08:20:45,098 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-26 08:20:45,098 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-26 08:20:45,099 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-26 08:20:45,099 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-26 08:20:45,100 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-26 08:20:45,100 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-08-26 08:20:45,100 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-08-26 08:20:45,100 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-26 08:20:45,100 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-26 08:20:45,101 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Order of the error locations to be checked -> PROGRAM_FIRST Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of reach_error function -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of data races in concurrent programs -> true [2023-08-26 08:20:45,390 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-26 08:20:45,412 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-26 08:20:45,414 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-26 08:20:45,415 INFO L270 PluginConnector]: Initializing CDTParser... [2023-08-26 08:20:45,415 INFO L274 PluginConnector]: CDTParser initialized [2023-08-26 08:20:45,416 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/bench-exp2x4.wvr.c [2023-08-26 08:20:46,562 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-08-26 08:20:46,771 INFO L384 CDTParser]: Found 1 translation units. [2023-08-26 08:20:46,772 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/bench-exp2x4.wvr.c [2023-08-26 08:20:46,786 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/abefb26ba/d450bbca4642409fa163a8efa1885a3d/FLAG66d9c923e [2023-08-26 08:20:46,797 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/abefb26ba/d450bbca4642409fa163a8efa1885a3d [2023-08-26 08:20:46,802 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-26 08:20:46,803 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-08-26 08:20:46,806 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-26 08:20:46,806 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-26 08:20:46,808 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-26 08:20:46,809 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.08 08:20:46" (1/1) ... [2023-08-26 08:20:46,810 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@37b66807 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 08:20:46, skipping insertion in model container [2023-08-26 08:20:46,810 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.08 08:20:46" (1/1) ... [2023-08-26 08:20:46,830 INFO L176 MainTranslator]: Built tables and reachable declarations [2023-08-26 08:20:46,982 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-26 08:20:46,991 INFO L201 MainTranslator]: Completed pre-run [2023-08-26 08:20:47,015 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-26 08:20:47,027 INFO L206 MainTranslator]: Completed translation [2023-08-26 08:20:47,027 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 08:20:47 WrapperNode [2023-08-26 08:20:47,027 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-26 08:20:47,028 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-26 08:20:47,028 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-26 08:20:47,028 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-26 08:20:47,034 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 08:20:47" (1/1) ... [2023-08-26 08:20:47,042 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 08:20:47" (1/1) ... [2023-08-26 08:20:47,064 INFO L138 Inliner]: procedures = 20, calls = 33, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 174 [2023-08-26 08:20:47,065 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-26 08:20:47,065 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-26 08:20:47,065 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-26 08:20:47,065 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-08-26 08:20:47,072 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 08:20:47" (1/1) ... [2023-08-26 08:20:47,073 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 08:20:47" (1/1) ... [2023-08-26 08:20:47,076 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 08:20:47" (1/1) ... [2023-08-26 08:20:47,076 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 08:20:47" (1/1) ... [2023-08-26 08:20:47,086 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 08:20:47" (1/1) ... [2023-08-26 08:20:47,090 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 08:20:47" (1/1) ... [2023-08-26 08:20:47,092 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 08:20:47" (1/1) ... [2023-08-26 08:20:47,093 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 08:20:47" (1/1) ... [2023-08-26 08:20:47,095 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-26 08:20:47,095 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-26 08:20:47,095 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-08-26 08:20:47,095 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-08-26 08:20:47,096 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 08:20:47" (1/1) ... [2023-08-26 08:20:47,100 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-26 08:20:47,112 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-26 08:20:47,122 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-08-26 08:20:47,147 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-08-26 08:20:47,158 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-26 08:20:47,158 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-08-26 08:20:47,158 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-08-26 08:20:47,158 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-08-26 08:20:47,158 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-08-26 08:20:47,159 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-08-26 08:20:47,159 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-08-26 08:20:47,159 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2023-08-26 08:20:47,160 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2023-08-26 08:20:47,160 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-08-26 08:20:47,160 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-26 08:20:47,160 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-08-26 08:20:47,160 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-26 08:20:47,160 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-26 08:20:47,160 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-08-26 08:20:47,160 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-26 08:20:47,161 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-08-26 08:20:47,272 INFO L236 CfgBuilder]: Building ICFG [2023-08-26 08:20:47,273 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-26 08:20:47,768 INFO L277 CfgBuilder]: Performing block encoding [2023-08-26 08:20:47,778 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-26 08:20:47,778 INFO L302 CfgBuilder]: Removed 4 assume(true) statements. [2023-08-26 08:20:47,780 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.08 08:20:47 BoogieIcfgContainer [2023-08-26 08:20:47,786 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-26 08:20:47,795 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-26 08:20:47,795 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-08-26 08:20:47,798 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-08-26 08:20:47,798 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.08 08:20:46" (1/3) ... [2023-08-26 08:20:47,799 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@230f7ad0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.08 08:20:47, skipping insertion in model container [2023-08-26 08:20:47,799 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 08:20:47" (2/3) ... [2023-08-26 08:20:47,799 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@230f7ad0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.08 08:20:47, skipping insertion in model container [2023-08-26 08:20:47,799 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.08 08:20:47" (3/3) ... [2023-08-26 08:20:47,800 INFO L112 eAbstractionObserver]: Analyzing ICFG bench-exp2x4.wvr.c [2023-08-26 08:20:47,815 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-26 08:20:47,816 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 52 error locations. [2023-08-26 08:20:47,816 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-26 08:20:47,967 INFO L144 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2023-08-26 08:20:47,999 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 338 places, 339 transitions, 710 flow [2023-08-26 08:20:48,088 INFO L124 PetriNetUnfolderBase]: 14/335 cut-off events. [2023-08-26 08:20:48,088 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2023-08-26 08:20:48,101 INFO L83 FinitePrefix]: Finished finitePrefix Result has 352 conditions, 335 events. 14/335 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 668 event pairs, 0 based on Foata normal form. 0/269 useless extension candidates. Maximal degree in co-relation 229. Up to 2 conditions per place. [2023-08-26 08:20:48,101 INFO L82 GeneralOperation]: Start removeDead. Operand has 338 places, 339 transitions, 710 flow [2023-08-26 08:20:48,108 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 321 places, 322 transitions, 668 flow [2023-08-26 08:20:48,111 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-08-26 08:20:48,123 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 321 places, 322 transitions, 668 flow [2023-08-26 08:20:48,125 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 321 places, 322 transitions, 668 flow [2023-08-26 08:20:48,126 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 321 places, 322 transitions, 668 flow [2023-08-26 08:20:48,176 INFO L124 PetriNetUnfolderBase]: 14/322 cut-off events. [2023-08-26 08:20:48,176 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2023-08-26 08:20:48,179 INFO L83 FinitePrefix]: Finished finitePrefix Result has 339 conditions, 322 events. 14/322 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 667 event pairs, 0 based on Foata normal form. 0/257 useless extension candidates. Maximal degree in co-relation 229. Up to 2 conditions per place. [2023-08-26 08:20:48,189 INFO L119 LiptonReduction]: Number of co-enabled transitions 23520 [2023-08-26 08:20:55,938 INFO L134 LiptonReduction]: Checked pairs total: 39864 [2023-08-26 08:20:55,939 INFO L136 LiptonReduction]: Total number of compositions: 429 [2023-08-26 08:20:55,962 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-08-26 08:20:55,968 INFO L357 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, mHoare=false, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, 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;@f83936, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-08-26 08:20:55,968 INFO L358 AbstractCegarLoop]: Starting to check reachability of 88 error locations. [2023-08-26 08:20:55,969 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-08-26 08:20:55,969 INFO L124 PetriNetUnfolderBase]: 0/0 cut-off events. [2023-08-26 08:20:55,969 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-08-26 08:20:55,969 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-26 08:20:55,970 INFO L208 CegarLoopForPetriNet]: trace histogram [1] [2023-08-26 08:20:55,970 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 84 more)] === [2023-08-26 08:20:55,974 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-26 08:20:55,974 INFO L85 PathProgramCache]: Analyzing trace with hash 1289, now seen corresponding path program 1 times [2023-08-26 08:20:55,982 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-26 08:20:55,982 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1062221098] [2023-08-26 08:20:55,982 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-26 08:20:55,983 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-26 08:20:56,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-26 08:20:56,068 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-26 08:20:56,068 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-26 08:20:56,069 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1062221098] [2023-08-26 08:20:56,069 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1062221098] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-26 08:20:56,069 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-26 08:20:56,069 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2023-08-26 08:20:56,071 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [714441527] [2023-08-26 08:20:56,071 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-26 08:20:56,077 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-08-26 08:20:56,083 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-26 08:20:56,103 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-08-26 08:20:56,104 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-08-26 08:20:56,107 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 324 out of 768 [2023-08-26 08:20:56,110 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 89 places, 84 transitions, 192 flow. Second operand has 2 states, 2 states have (on average 324.5) internal successors, (649), 2 states have internal predecessors, (649), 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) [2023-08-26 08:20:56,110 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-26 08:20:56,110 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 324 of 768 [2023-08-26 08:20:56,111 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-26 08:20:56,269 INFO L124 PetriNetUnfolderBase]: 976/1373 cut-off events. [2023-08-26 08:20:56,270 INFO L125 PetriNetUnfolderBase]: For 98/98 co-relation queries the response was YES. [2023-08-26 08:20:56,272 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2796 conditions, 1373 events. 976/1373 cut-off events. For 98/98 co-relation queries the response was YES. Maximal size of possible extension queue 63. Compared 4523 event pairs, 624 based on Foata normal form. 0/1021 useless extension candidates. Maximal degree in co-relation 2176. Up to 1298 conditions per place. [2023-08-26 08:20:56,280 INFO L140 encePairwiseOnDemand]: 717/768 looper letters, 29 selfloop transitions, 0 changer transitions 0/33 dead transitions. [2023-08-26 08:20:56,280 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 43 places, 33 transitions, 148 flow [2023-08-26 08:20:56,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-08-26 08:20:56,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2023-08-26 08:20:56,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 728 transitions. [2023-08-26 08:20:56,294 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4739583333333333 [2023-08-26 08:20:56,294 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 728 transitions. [2023-08-26 08:20:56,295 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 728 transitions. [2023-08-26 08:20:56,297 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-26 08:20:56,299 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 728 transitions. [2023-08-26 08:20:56,308 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 364.0) internal successors, (728), 2 states have internal predecessors, (728), 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) [2023-08-26 08:20:56,315 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 768.0) internal successors, (2304), 3 states have internal predecessors, (2304), 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) [2023-08-26 08:20:56,316 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 768.0) internal successors, (2304), 3 states have internal predecessors, (2304), 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) [2023-08-26 08:20:56,317 INFO L175 Difference]: Start difference. First operand has 89 places, 84 transitions, 192 flow. Second operand 2 states and 728 transitions. [2023-08-26 08:20:56,318 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 43 places, 33 transitions, 148 flow [2023-08-26 08:20:56,325 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 35 places, 33 transitions, 132 flow, removed 0 selfloop flow, removed 8 redundant places. [2023-08-26 08:20:56,326 INFO L231 Difference]: Finished difference. Result has 35 places, 33 transitions, 74 flow [2023-08-26 08:20:56,334 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=768, PETRI_DIFFERENCE_MINUEND_FLOW=74, PETRI_DIFFERENCE_MINUEND_PLACES=34, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=33, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=33, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=74, PETRI_PLACES=35, PETRI_TRANSITIONS=33} [2023-08-26 08:20:56,337 INFO L281 CegarLoopForPetriNet]: 89 programPoint places, -54 predicate places. [2023-08-26 08:20:56,338 INFO L495 AbstractCegarLoop]: Abstraction has has 35 places, 33 transitions, 74 flow [2023-08-26 08:20:56,338 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 324.5) internal successors, (649), 2 states have internal predecessors, (649), 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) [2023-08-26 08:20:56,338 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-26 08:20:56,339 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1] [2023-08-26 08:20:56,339 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-08-26 08:20:56,339 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting thread1Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 84 more)] === [2023-08-26 08:20:56,339 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-26 08:20:56,340 INFO L85 PathProgramCache]: Analyzing trace with hash 40791063, now seen corresponding path program 1 times [2023-08-26 08:20:56,340 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-26 08:20:56,340 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [34818380] [2023-08-26 08:20:56,340 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-26 08:20:56,340 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-26 08:20:56,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-26 08:20:56,449 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-26 08:20:56,449 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-26 08:20:56,449 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [34818380] [2023-08-26 08:20:56,449 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [34818380] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-26 08:20:56,450 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-26 08:20:56,450 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-26 08:20:56,450 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [473276719] [2023-08-26 08:20:56,450 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-26 08:20:56,451 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-26 08:20:56,451 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-26 08:20:56,452 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-26 08:20:56,452 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-26 08:20:56,453 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 309 out of 768 [2023-08-26 08:20:56,454 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 35 places, 33 transitions, 74 flow. Second operand has 3 states, 3 states have (on average 310.3333333333333) internal successors, (931), 3 states have internal predecessors, (931), 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) [2023-08-26 08:20:56,454 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-26 08:20:56,454 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 309 of 768 [2023-08-26 08:20:56,454 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-26 08:20:56,582 INFO L124 PetriNetUnfolderBase]: 995/1324 cut-off events. [2023-08-26 08:20:56,582 INFO L125 PetriNetUnfolderBase]: For 26/26 co-relation queries the response was YES. [2023-08-26 08:20:56,584 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2694 conditions, 1324 events. 995/1324 cut-off events. For 26/26 co-relation queries the response was YES. Maximal size of possible extension queue 47. Compared 3824 event pairs, 376 based on Foata normal form. 0/972 useless extension candidates. Maximal degree in co-relation 2691. Up to 1315 conditions per place. [2023-08-26 08:20:56,588 INFO L140 encePairwiseOnDemand]: 760/768 looper letters, 36 selfloop transitions, 4 changer transitions 0/40 dead transitions. [2023-08-26 08:20:56,588 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 33 places, 40 transitions, 171 flow [2023-08-26 08:20:56,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-26 08:20:56,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-26 08:20:56,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 971 transitions. [2023-08-26 08:20:56,592 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4214409722222222 [2023-08-26 08:20:56,592 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 971 transitions. [2023-08-26 08:20:56,592 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 971 transitions. [2023-08-26 08:20:56,593 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-26 08:20:56,593 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 971 transitions. [2023-08-26 08:20:56,595 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 323.6666666666667) internal successors, (971), 3 states have internal predecessors, (971), 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) [2023-08-26 08:20:56,600 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 768.0) internal successors, (3072), 4 states have internal predecessors, (3072), 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) [2023-08-26 08:20:56,602 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 768.0) internal successors, (3072), 4 states have internal predecessors, (3072), 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) [2023-08-26 08:20:56,602 INFO L175 Difference]: Start difference. First operand has 35 places, 33 transitions, 74 flow. Second operand 3 states and 971 transitions. [2023-08-26 08:20:56,602 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 33 places, 40 transitions, 171 flow [2023-08-26 08:20:56,603 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 33 places, 40 transitions, 171 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-26 08:20:56,604 INFO L231 Difference]: Finished difference. Result has 34 places, 33 transitions, 94 flow [2023-08-26 08:20:56,604 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=768, PETRI_DIFFERENCE_MINUEND_FLOW=66, PETRI_DIFFERENCE_MINUEND_PLACES=31, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=29, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=25, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=94, PETRI_PLACES=34, PETRI_TRANSITIONS=33} [2023-08-26 08:20:56,605 INFO L281 CegarLoopForPetriNet]: 89 programPoint places, -55 predicate places. [2023-08-26 08:20:56,605 INFO L495 AbstractCegarLoop]: Abstraction has has 34 places, 33 transitions, 94 flow [2023-08-26 08:20:56,605 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 310.3333333333333) internal successors, (931), 3 states have internal predecessors, (931), 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) [2023-08-26 08:20:56,606 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-26 08:20:56,606 INFO L208 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] [2023-08-26 08:20:56,606 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-08-26 08:20:56,606 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONASSERT === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 84 more)] === [2023-08-26 08:20:56,607 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-26 08:20:56,607 INFO L85 PathProgramCache]: Analyzing trace with hash -1314293397, now seen corresponding path program 1 times [2023-08-26 08:20:56,607 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-26 08:20:56,607 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [67711714] [2023-08-26 08:20:56,607 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-26 08:20:56,607 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-26 08:20:56,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-26 08:20:56,876 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-26 08:20:56,876 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-26 08:20:56,876 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [67711714] [2023-08-26 08:20:56,876 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [67711714] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-26 08:20:56,876 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-26 08:20:56,876 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2023-08-26 08:20:56,877 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1944152575] [2023-08-26 08:20:56,877 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-26 08:20:56,877 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-26 08:20:56,877 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-26 08:20:56,878 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-26 08:20:56,878 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-26 08:20:56,879 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 294 out of 768 [2023-08-26 08:20:56,880 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 34 places, 33 transitions, 94 flow. Second operand has 3 states, 3 states have (on average 302.3333333333333) internal successors, (907), 3 states have internal predecessors, (907), 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) [2023-08-26 08:20:56,880 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-26 08:20:56,880 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 294 of 768 [2023-08-26 08:20:56,880 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-26 08:20:57,179 INFO L124 PetriNetUnfolderBase]: 1951/2591 cut-off events. [2023-08-26 08:20:57,179 INFO L125 PetriNetUnfolderBase]: For 438/438 co-relation queries the response was YES. [2023-08-26 08:20:57,182 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5989 conditions, 2591 events. 1951/2591 cut-off events. For 438/438 co-relation queries the response was YES. Maximal size of possible extension queue 87. Compared 8951 event pairs, 528 based on Foata normal form. 1/1888 useless extension candidates. Maximal degree in co-relation 5985. Up to 1648 conditions per place. [2023-08-26 08:20:57,194 INFO L140 encePairwiseOnDemand]: 762/768 looper letters, 53 selfloop transitions, 5 changer transitions 1/59 dead transitions. [2023-08-26 08:20:57,194 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 36 places, 59 transitions, 279 flow [2023-08-26 08:20:57,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-26 08:20:57,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-26 08:20:57,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 938 transitions. [2023-08-26 08:20:57,197 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4071180555555556 [2023-08-26 08:20:57,197 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 938 transitions. [2023-08-26 08:20:57,197 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 938 transitions. [2023-08-26 08:20:57,197 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-26 08:20:57,198 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 938 transitions. [2023-08-26 08:20:57,200 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 312.6666666666667) internal successors, (938), 3 states have internal predecessors, (938), 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) [2023-08-26 08:20:57,203 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 768.0) internal successors, (3072), 4 states have internal predecessors, (3072), 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) [2023-08-26 08:20:57,204 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 768.0) internal successors, (3072), 4 states have internal predecessors, (3072), 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) [2023-08-26 08:20:57,205 INFO L175 Difference]: Start difference. First operand has 34 places, 33 transitions, 94 flow. Second operand 3 states and 938 transitions. [2023-08-26 08:20:57,205 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 36 places, 59 transitions, 279 flow [2023-08-26 08:20:57,206 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 36 places, 59 transitions, 279 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-26 08:20:57,207 INFO L231 Difference]: Finished difference. Result has 37 places, 37 transitions, 127 flow [2023-08-26 08:20:57,208 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=768, PETRI_DIFFERENCE_MINUEND_FLOW=94, PETRI_DIFFERENCE_MINUEND_PLACES=34, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=33, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=28, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=127, PETRI_PLACES=37, PETRI_TRANSITIONS=37} [2023-08-26 08:20:57,209 INFO L281 CegarLoopForPetriNet]: 89 programPoint places, -52 predicate places. [2023-08-26 08:20:57,210 INFO L495 AbstractCegarLoop]: Abstraction has has 37 places, 37 transitions, 127 flow [2023-08-26 08:20:57,210 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 302.3333333333333) internal successors, (907), 3 states have internal predecessors, (907), 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) [2023-08-26 08:20:57,211 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-26 08:20:57,211 INFO L208 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-26 08:20:57,211 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-08-26 08:20:57,214 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONASSERT === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 84 more)] === [2023-08-26 08:20:57,214 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-26 08:20:57,215 INFO L85 PathProgramCache]: Analyzing trace with hash 2073042138, now seen corresponding path program 1 times [2023-08-26 08:20:57,215 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-26 08:20:57,215 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1657093749] [2023-08-26 08:20:57,215 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-26 08:20:57,215 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-26 08:20:57,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-26 08:20:57,381 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-26 08:20:57,382 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-26 08:20:57,382 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1657093749] [2023-08-26 08:20:57,382 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1657093749] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-26 08:20:57,382 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-26 08:20:57,382 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-08-26 08:20:57,382 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1680483444] [2023-08-26 08:20:57,382 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-26 08:20:57,383 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-08-26 08:20:57,383 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-26 08:20:57,384 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-08-26 08:20:57,385 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-08-26 08:20:57,386 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 303 out of 768 [2023-08-26 08:20:57,388 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 37 places, 37 transitions, 127 flow. Second operand has 4 states, 4 states have (on average 309.75) internal successors, (1239), 4 states have internal predecessors, (1239), 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) [2023-08-26 08:20:57,388 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-26 08:20:57,388 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 303 of 768 [2023-08-26 08:20:57,388 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-26 08:20:57,772 INFO L124 PetriNetUnfolderBase]: 2798/3734 cut-off events. [2023-08-26 08:20:57,772 INFO L125 PetriNetUnfolderBase]: For 1697/1697 co-relation queries the response was YES. [2023-08-26 08:20:57,777 INFO L83 FinitePrefix]: Finished finitePrefix Result has 9909 conditions, 3734 events. 2798/3734 cut-off events. For 1697/1697 co-relation queries the response was YES. Maximal size of possible extension queue 127. Compared 14414 event pairs, 281 based on Foata normal form. 86/3820 useless extension candidates. Maximal degree in co-relation 9903. Up to 1515 conditions per place. [2023-08-26 08:20:57,794 INFO L140 encePairwiseOnDemand]: 763/768 looper letters, 91 selfloop transitions, 10 changer transitions 0/101 dead transitions. [2023-08-26 08:20:57,794 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 41 places, 101 transitions, 523 flow [2023-08-26 08:20:57,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-08-26 08:20:57,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2023-08-26 08:20:57,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1606 transitions. [2023-08-26 08:20:57,799 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.41822916666666665 [2023-08-26 08:20:57,799 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 1606 transitions. [2023-08-26 08:20:57,799 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 1606 transitions. [2023-08-26 08:20:57,800 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-26 08:20:57,800 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1606 transitions. [2023-08-26 08:20:57,805 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 321.2) internal successors, (1606), 5 states have internal predecessors, (1606), 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) [2023-08-26 08:20:57,811 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 768.0) internal successors, (4608), 6 states have internal predecessors, (4608), 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) [2023-08-26 08:20:57,813 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 768.0) internal successors, (4608), 6 states have internal predecessors, (4608), 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) [2023-08-26 08:20:57,813 INFO L175 Difference]: Start difference. First operand has 37 places, 37 transitions, 127 flow. Second operand 5 states and 1606 transitions. [2023-08-26 08:20:57,813 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 41 places, 101 transitions, 523 flow [2023-08-26 08:20:57,817 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 40 places, 101 transitions, 515 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-08-26 08:20:57,819 INFO L231 Difference]: Finished difference. Result has 42 places, 44 transitions, 187 flow [2023-08-26 08:20:57,820 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=768, PETRI_DIFFERENCE_MINUEND_FLOW=122, PETRI_DIFFERENCE_MINUEND_PLACES=36, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=37, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=30, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=187, PETRI_PLACES=42, PETRI_TRANSITIONS=44} [2023-08-26 08:20:57,821 INFO L281 CegarLoopForPetriNet]: 89 programPoint places, -47 predicate places. [2023-08-26 08:20:57,822 INFO L495 AbstractCegarLoop]: Abstraction has has 42 places, 44 transitions, 187 flow [2023-08-26 08:20:57,822 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 309.75) internal successors, (1239), 4 states have internal predecessors, (1239), 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) [2023-08-26 08:20:57,823 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-26 08:20:57,823 INFO L208 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-26 08:20:57,823 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-08-26 08:20:57,823 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONASSERT === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 84 more)] === [2023-08-26 08:20:57,823 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-26 08:20:57,823 INFO L85 PathProgramCache]: Analyzing trace with hash -1285370264, now seen corresponding path program 1 times [2023-08-26 08:20:57,823 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-26 08:20:57,824 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [877779111] [2023-08-26 08:20:57,824 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-26 08:20:57,824 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-26 08:20:57,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-26 08:20:57,951 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-26 08:20:57,952 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-26 08:20:57,953 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [877779111] [2023-08-26 08:20:57,953 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [877779111] provided 0 perfect and 1 imperfect interpolant sequences [2023-08-26 08:20:57,953 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [787846131] [2023-08-26 08:20:57,953 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-26 08:20:57,953 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-08-26 08:20:57,953 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-26 08:20:57,957 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-08-26 08:20:57,980 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-08-26 08:20:58,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-26 08:20:58,098 INFO L262 TraceCheckSpWp]: Trace formula consists of 285 conjuncts, 3 conjunts are in the unsatisfiable core [2023-08-26 08:20:58,102 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-08-26 08:20:58,218 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-26 08:20:58,218 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-08-26 08:20:58,310 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-26 08:20:58,311 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [787846131] provided 0 perfect and 2 imperfect interpolant sequences [2023-08-26 08:20:58,312 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-08-26 08:20:58,313 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 3 [2023-08-26 08:20:58,316 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [658037461] [2023-08-26 08:20:58,316 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-08-26 08:20:58,317 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-08-26 08:20:58,317 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-26 08:20:58,318 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-08-26 08:20:58,319 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-08-26 08:20:58,320 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 303 out of 768 [2023-08-26 08:20:58,321 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 42 places, 44 transitions, 187 flow. Second operand has 4 states, 4 states have (on average 309.75) internal successors, (1239), 4 states have internal predecessors, (1239), 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) [2023-08-26 08:20:58,321 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-26 08:20:58,321 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 303 of 768 [2023-08-26 08:20:58,322 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-26 08:20:58,930 INFO L124 PetriNetUnfolderBase]: 5077/6793 cut-off events. [2023-08-26 08:20:58,930 INFO L125 PetriNetUnfolderBase]: For 6511/6511 co-relation queries the response was YES. [2023-08-26 08:20:58,938 INFO L83 FinitePrefix]: Finished finitePrefix Result has 20342 conditions, 6793 events. 5077/6793 cut-off events. For 6511/6511 co-relation queries the response was YES. Maximal size of possible extension queue 232. Compared 27810 event pairs, 1179 based on Foata normal form. 160/6953 useless extension candidates. Maximal degree in co-relation 20334. Up to 2311 conditions per place. [2023-08-26 08:20:58,973 INFO L140 encePairwiseOnDemand]: 763/768 looper letters, 109 selfloop transitions, 8 changer transitions 0/117 dead transitions. [2023-08-26 08:20:58,974 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 46 places, 117 transitions, 723 flow [2023-08-26 08:20:58,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-08-26 08:20:58,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2023-08-26 08:20:58,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1604 transitions. [2023-08-26 08:20:58,978 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.41770833333333335 [2023-08-26 08:20:58,978 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 1604 transitions. [2023-08-26 08:20:58,978 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 1604 transitions. [2023-08-26 08:20:58,979 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-26 08:20:58,979 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1604 transitions. [2023-08-26 08:20:58,983 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 320.8) internal successors, (1604), 5 states have internal predecessors, (1604), 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) [2023-08-26 08:20:58,989 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 768.0) internal successors, (4608), 6 states have internal predecessors, (4608), 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) [2023-08-26 08:20:58,990 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 768.0) internal successors, (4608), 6 states have internal predecessors, (4608), 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) [2023-08-26 08:20:58,991 INFO L175 Difference]: Start difference. First operand has 42 places, 44 transitions, 187 flow. Second operand 5 states and 1604 transitions. [2023-08-26 08:20:58,991 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 46 places, 117 transitions, 723 flow [2023-08-26 08:20:58,996 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 46 places, 117 transitions, 723 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-26 08:20:58,998 INFO L231 Difference]: Finished difference. Result has 49 places, 49 transitions, 242 flow [2023-08-26 08:20:58,999 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=768, PETRI_DIFFERENCE_MINUEND_FLOW=187, PETRI_DIFFERENCE_MINUEND_PLACES=42, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=44, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=38, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=242, PETRI_PLACES=49, PETRI_TRANSITIONS=49} [2023-08-26 08:20:59,000 INFO L281 CegarLoopForPetriNet]: 89 programPoint places, -40 predicate places. [2023-08-26 08:20:59,001 INFO L495 AbstractCegarLoop]: Abstraction has has 49 places, 49 transitions, 242 flow [2023-08-26 08:20:59,001 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 309.75) internal successors, (1239), 4 states have internal predecessors, (1239), 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) [2023-08-26 08:20:59,002 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-26 08:20:59,002 INFO L208 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-26 08:20:59,013 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-08-26 08:20:59,207 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-08-26 08:20:59,208 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONASSERT === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 84 more)] === [2023-08-26 08:20:59,208 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-26 08:20:59,208 INFO L85 PathProgramCache]: Analyzing trace with hash -2045575426, now seen corresponding path program 2 times [2023-08-26 08:20:59,209 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-26 08:20:59,209 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1825265975] [2023-08-26 08:20:59,209 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-26 08:20:59,209 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-26 08:20:59,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-26 08:20:59,329 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-26 08:20:59,330 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-26 08:20:59,333 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1825265975] [2023-08-26 08:20:59,334 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1825265975] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-26 08:20:59,334 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-26 08:20:59,334 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-08-26 08:20:59,334 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1707396633] [2023-08-26 08:20:59,334 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-26 08:20:59,334 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-08-26 08:20:59,335 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-26 08:20:59,336 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-08-26 08:20:59,336 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-08-26 08:20:59,337 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 303 out of 768 [2023-08-26 08:20:59,338 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 49 places, 49 transitions, 242 flow. Second operand has 4 states, 4 states have (on average 309.75) internal successors, (1239), 4 states have internal predecessors, (1239), 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) [2023-08-26 08:20:59,338 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-26 08:20:59,338 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 303 of 768 [2023-08-26 08:20:59,338 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-26 08:20:59,900 INFO L124 PetriNetUnfolderBase]: 4683/6235 cut-off events. [2023-08-26 08:20:59,900 INFO L125 PetriNetUnfolderBase]: For 8440/8440 co-relation queries the response was YES. [2023-08-26 08:20:59,910 INFO L83 FinitePrefix]: Finished finitePrefix Result has 21309 conditions, 6235 events. 4683/6235 cut-off events. For 8440/8440 co-relation queries the response was YES. Maximal size of possible extension queue 217. Compared 24993 event pairs, 523 based on Foata normal form. 52/6287 useless extension candidates. Maximal degree in co-relation 21297. Up to 2709 conditions per place. [2023-08-26 08:20:59,933 INFO L140 encePairwiseOnDemand]: 763/768 looper letters, 109 selfloop transitions, 11 changer transitions 0/120 dead transitions. [2023-08-26 08:20:59,933 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 53 places, 120 transitions, 797 flow [2023-08-26 08:20:59,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-08-26 08:20:59,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2023-08-26 08:20:59,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1602 transitions. [2023-08-26 08:20:59,939 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4171875 [2023-08-26 08:20:59,939 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 1602 transitions. [2023-08-26 08:20:59,939 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 1602 transitions. [2023-08-26 08:20:59,940 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-26 08:20:59,940 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1602 transitions. [2023-08-26 08:20:59,943 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 320.4) internal successors, (1602), 5 states have internal predecessors, (1602), 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) [2023-08-26 08:20:59,947 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 768.0) internal successors, (4608), 6 states have internal predecessors, (4608), 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) [2023-08-26 08:20:59,948 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 768.0) internal successors, (4608), 6 states have internal predecessors, (4608), 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) [2023-08-26 08:20:59,948 INFO L175 Difference]: Start difference. First operand has 49 places, 49 transitions, 242 flow. Second operand 5 states and 1602 transitions. [2023-08-26 08:20:59,948 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 53 places, 120 transitions, 797 flow [2023-08-26 08:20:59,975 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 53 places, 120 transitions, 797 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-26 08:20:59,976 INFO L231 Difference]: Finished difference. Result has 54 places, 54 transitions, 303 flow [2023-08-26 08:20:59,977 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=768, PETRI_DIFFERENCE_MINUEND_FLOW=242, PETRI_DIFFERENCE_MINUEND_PLACES=49, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=49, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=41, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=303, PETRI_PLACES=54, PETRI_TRANSITIONS=54} [2023-08-26 08:20:59,979 INFO L281 CegarLoopForPetriNet]: 89 programPoint places, -35 predicate places. [2023-08-26 08:20:59,979 INFO L495 AbstractCegarLoop]: Abstraction has has 54 places, 54 transitions, 303 flow [2023-08-26 08:20:59,979 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 309.75) internal successors, (1239), 4 states have internal predecessors, (1239), 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) [2023-08-26 08:20:59,980 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-26 08:20:59,980 INFO L208 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-26 08:20:59,980 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-08-26 08:20:59,980 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONASSERT === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 84 more)] === [2023-08-26 08:20:59,980 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-26 08:20:59,980 INFO L85 PathProgramCache]: Analyzing trace with hash -191883414, now seen corresponding path program 1 times [2023-08-26 08:20:59,981 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-26 08:20:59,981 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [895294042] [2023-08-26 08:20:59,981 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-26 08:20:59,981 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-26 08:21:00,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-26 08:21:00,079 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-26 08:21:00,080 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-26 08:21:00,080 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [895294042] [2023-08-26 08:21:00,080 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [895294042] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-26 08:21:00,080 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-26 08:21:00,080 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-08-26 08:21:00,080 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1581883201] [2023-08-26 08:21:00,080 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-26 08:21:00,080 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-08-26 08:21:00,081 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-26 08:21:00,081 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-08-26 08:21:00,081 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-08-26 08:21:00,082 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 303 out of 768 [2023-08-26 08:21:00,084 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 54 places, 54 transitions, 303 flow. Second operand has 4 states, 4 states have (on average 309.75) internal successors, (1239), 4 states have internal predecessors, (1239), 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) [2023-08-26 08:21:00,084 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-26 08:21:00,084 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 303 of 768 [2023-08-26 08:21:00,084 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-26 08:21:00,672 INFO L124 PetriNetUnfolderBase]: 4627/6179 cut-off events. [2023-08-26 08:21:00,672 INFO L125 PetriNetUnfolderBase]: For 10580/10580 co-relation queries the response was YES. [2023-08-26 08:21:00,685 INFO L83 FinitePrefix]: Finished finitePrefix Result has 22572 conditions, 6179 events. 4627/6179 cut-off events. For 10580/10580 co-relation queries the response was YES. Maximal size of possible extension queue 216. Compared 24974 event pairs, 579 based on Foata normal form. 56/6235 useless extension candidates. Maximal degree in co-relation 22558. Up to 3319 conditions per place. [2023-08-26 08:21:00,710 INFO L140 encePairwiseOnDemand]: 763/768 looper letters, 108 selfloop transitions, 8 changer transitions 2/118 dead transitions. [2023-08-26 08:21:00,711 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 58 places, 118 transitions, 810 flow [2023-08-26 08:21:00,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-08-26 08:21:00,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2023-08-26 08:21:00,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1601 transitions. [2023-08-26 08:21:00,716 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.41692708333333334 [2023-08-26 08:21:00,716 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 1601 transitions. [2023-08-26 08:21:00,716 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 1601 transitions. [2023-08-26 08:21:00,717 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-26 08:21:00,717 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1601 transitions. [2023-08-26 08:21:00,719 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 320.2) internal successors, (1601), 5 states have internal predecessors, (1601), 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) [2023-08-26 08:21:00,724 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 768.0) internal successors, (4608), 6 states have internal predecessors, (4608), 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) [2023-08-26 08:21:00,725 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 768.0) internal successors, (4608), 6 states have internal predecessors, (4608), 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) [2023-08-26 08:21:00,725 INFO L175 Difference]: Start difference. First operand has 54 places, 54 transitions, 303 flow. Second operand 5 states and 1601 transitions. [2023-08-26 08:21:00,725 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 58 places, 118 transitions, 810 flow [2023-08-26 08:21:00,747 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 57 places, 118 transitions, 799 flow, removed 3 selfloop flow, removed 1 redundant places. [2023-08-26 08:21:00,750 INFO L231 Difference]: Finished difference. Result has 58 places, 53 transitions, 306 flow [2023-08-26 08:21:00,750 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=768, PETRI_DIFFERENCE_MINUEND_FLOW=274, PETRI_DIFFERENCE_MINUEND_PLACES=53, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=52, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=44, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=306, PETRI_PLACES=58, PETRI_TRANSITIONS=53} [2023-08-26 08:21:00,750 INFO L281 CegarLoopForPetriNet]: 89 programPoint places, -31 predicate places. [2023-08-26 08:21:00,750 INFO L495 AbstractCegarLoop]: Abstraction has has 58 places, 53 transitions, 306 flow [2023-08-26 08:21:00,751 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 309.75) internal successors, (1239), 4 states have internal predecessors, (1239), 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) [2023-08-26 08:21:00,751 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-26 08:21:00,751 INFO L208 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-26 08:21:00,751 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-08-26 08:21:00,752 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONASSERT === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 84 more)] === [2023-08-26 08:21:00,753 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-26 08:21:00,753 INFO L85 PathProgramCache]: Analyzing trace with hash 28341312, now seen corresponding path program 2 times [2023-08-26 08:21:00,753 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-26 08:21:00,753 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [966614877] [2023-08-26 08:21:00,753 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-26 08:21:00,753 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-26 08:21:00,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-26 08:21:00,846 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-26 08:21:00,847 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-26 08:21:00,847 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [966614877] [2023-08-26 08:21:00,847 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [966614877] provided 0 perfect and 1 imperfect interpolant sequences [2023-08-26 08:21:00,847 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [177219540] [2023-08-26 08:21:00,847 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-08-26 08:21:00,847 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-08-26 08:21:00,847 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-26 08:21:00,848 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-08-26 08:21:00,873 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-08-26 08:21:00,999 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-08-26 08:21:01,000 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-08-26 08:21:01,003 INFO L262 TraceCheckSpWp]: Trace formula consists of 285 conjuncts, 3 conjunts are in the unsatisfiable core [2023-08-26 08:21:01,005 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-08-26 08:21:01,096 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-26 08:21:01,096 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-08-26 08:21:01,175 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-26 08:21:01,175 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [177219540] provided 0 perfect and 2 imperfect interpolant sequences [2023-08-26 08:21:01,175 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-08-26 08:21:01,175 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 3 [2023-08-26 08:21:01,176 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1149214366] [2023-08-26 08:21:01,176 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-08-26 08:21:01,177 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-08-26 08:21:01,177 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-26 08:21:01,177 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-08-26 08:21:01,177 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-08-26 08:21:01,178 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 303 out of 768 [2023-08-26 08:21:01,179 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 58 places, 53 transitions, 306 flow. Second operand has 4 states, 4 states have (on average 309.75) internal successors, (1239), 4 states have internal predecessors, (1239), 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) [2023-08-26 08:21:01,180 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-26 08:21:01,180 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 303 of 768 [2023-08-26 08:21:01,180 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-26 08:21:01,828 INFO L124 PetriNetUnfolderBase]: 5623/7487 cut-off events. [2023-08-26 08:21:01,828 INFO L125 PetriNetUnfolderBase]: For 14232/14232 co-relation queries the response was YES. [2023-08-26 08:21:01,848 INFO L83 FinitePrefix]: Finished finitePrefix Result has 27822 conditions, 7487 events. 5623/7487 cut-off events. For 14232/14232 co-relation queries the response was YES. Maximal size of possible extension queue 227. Compared 30376 event pairs, 1295 based on Foata normal form. 156/7643 useless extension candidates. Maximal degree in co-relation 27807. Up to 4037 conditions per place. [2023-08-26 08:21:01,887 INFO L140 encePairwiseOnDemand]: 763/768 looper letters, 108 selfloop transitions, 8 changer transitions 0/116 dead transitions. [2023-08-26 08:21:01,888 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 62 places, 116 transitions, 826 flow [2023-08-26 08:21:01,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-08-26 08:21:01,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2023-08-26 08:21:01,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1598 transitions. [2023-08-26 08:21:01,892 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4161458333333333 [2023-08-26 08:21:01,892 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 1598 transitions. [2023-08-26 08:21:01,892 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 1598 transitions. [2023-08-26 08:21:01,893 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-26 08:21:01,893 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1598 transitions. [2023-08-26 08:21:01,895 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 319.6) internal successors, (1598), 5 states have internal predecessors, (1598), 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) [2023-08-26 08:21:01,900 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 768.0) internal successors, (4608), 6 states have internal predecessors, (4608), 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) [2023-08-26 08:21:01,900 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 768.0) internal successors, (4608), 6 states have internal predecessors, (4608), 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) [2023-08-26 08:21:01,901 INFO L175 Difference]: Start difference. First operand has 58 places, 53 transitions, 306 flow. Second operand 5 states and 1598 transitions. [2023-08-26 08:21:01,901 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 62 places, 116 transitions, 826 flow [2023-08-26 08:21:01,921 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 61 places, 116 transitions, 813 flow, removed 3 selfloop flow, removed 1 redundant places. [2023-08-26 08:21:01,922 INFO L231 Difference]: Finished difference. Result has 63 places, 56 transitions, 346 flow [2023-08-26 08:21:01,922 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=768, PETRI_DIFFERENCE_MINUEND_FLOW=295, PETRI_DIFFERENCE_MINUEND_PLACES=57, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=53, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=46, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=346, PETRI_PLACES=63, PETRI_TRANSITIONS=56} [2023-08-26 08:21:01,923 INFO L281 CegarLoopForPetriNet]: 89 programPoint places, -26 predicate places. [2023-08-26 08:21:01,923 INFO L495 AbstractCegarLoop]: Abstraction has has 63 places, 56 transitions, 346 flow [2023-08-26 08:21:01,924 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 309.75) internal successors, (1239), 4 states have internal predecessors, (1239), 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) [2023-08-26 08:21:01,924 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-26 08:21:01,924 INFO L208 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-26 08:21:01,938 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-08-26 08:21:02,135 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2023-08-26 08:21:02,136 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONASSERT === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 84 more)] === [2023-08-26 08:21:02,136 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-26 08:21:02,136 INFO L85 PathProgramCache]: Analyzing trace with hash -1455096170, now seen corresponding path program 1 times [2023-08-26 08:21:02,136 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-26 08:21:02,136 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1108263380] [2023-08-26 08:21:02,137 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-26 08:21:02,139 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-26 08:21:02,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-26 08:21:02,238 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-26 08:21:02,238 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-26 08:21:02,241 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1108263380] [2023-08-26 08:21:02,241 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1108263380] provided 0 perfect and 1 imperfect interpolant sequences [2023-08-26 08:21:02,241 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1026430893] [2023-08-26 08:21:02,241 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-26 08:21:02,241 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-08-26 08:21:02,242 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-26 08:21:02,242 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-08-26 08:21:02,245 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-08-26 08:21:02,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-26 08:21:02,369 INFO L262 TraceCheckSpWp]: Trace formula consists of 285 conjuncts, 3 conjunts are in the unsatisfiable core [2023-08-26 08:21:02,371 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-08-26 08:21:02,426 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-26 08:21:02,427 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-08-26 08:21:02,481 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-26 08:21:02,481 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1026430893] provided 0 perfect and 2 imperfect interpolant sequences [2023-08-26 08:21:02,482 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-08-26 08:21:02,482 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 3 [2023-08-26 08:21:02,482 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [191540135] [2023-08-26 08:21:02,482 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-08-26 08:21:02,483 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-08-26 08:21:02,483 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-26 08:21:02,483 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-08-26 08:21:02,483 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-08-26 08:21:02,484 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 303 out of 768 [2023-08-26 08:21:02,491 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 63 places, 56 transitions, 346 flow. Second operand has 4 states, 4 states have (on average 309.75) internal successors, (1239), 4 states have internal predecessors, (1239), 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) [2023-08-26 08:21:02,491 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-26 08:21:02,491 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 303 of 768 [2023-08-26 08:21:02,491 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-26 08:21:03,282 INFO L124 PetriNetUnfolderBase]: 8213/11003 cut-off events. [2023-08-26 08:21:03,282 INFO L125 PetriNetUnfolderBase]: For 26191/26191 co-relation queries the response was YES. [2023-08-26 08:21:03,312 INFO L83 FinitePrefix]: Finished finitePrefix Result has 42836 conditions, 11003 events. 8213/11003 cut-off events. For 26191/26191 co-relation queries the response was YES. Maximal size of possible extension queue 336. Compared 48881 event pairs, 2543 based on Foata normal form. 282/11285 useless extension candidates. Maximal degree in co-relation 42818. Up to 4229 conditions per place. [2023-08-26 08:21:03,423 INFO L140 encePairwiseOnDemand]: 763/768 looper letters, 143 selfloop transitions, 10 changer transitions 0/153 dead transitions. [2023-08-26 08:21:03,423 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 67 places, 153 transitions, 1216 flow [2023-08-26 08:21:03,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-08-26 08:21:03,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2023-08-26 08:21:03,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1612 transitions. [2023-08-26 08:21:03,427 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4197916666666667 [2023-08-26 08:21:03,428 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 1612 transitions. [2023-08-26 08:21:03,428 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 1612 transitions. [2023-08-26 08:21:03,428 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-26 08:21:03,428 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1612 transitions. [2023-08-26 08:21:03,431 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 322.4) internal successors, (1612), 5 states have internal predecessors, (1612), 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) [2023-08-26 08:21:03,435 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 768.0) internal successors, (4608), 6 states have internal predecessors, (4608), 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) [2023-08-26 08:21:03,436 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 768.0) internal successors, (4608), 6 states have internal predecessors, (4608), 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) [2023-08-26 08:21:03,436 INFO L175 Difference]: Start difference. First operand has 63 places, 56 transitions, 346 flow. Second operand 5 states and 1612 transitions. [2023-08-26 08:21:03,436 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 67 places, 153 transitions, 1216 flow [2023-08-26 08:21:03,485 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 65 places, 153 transitions, 1158 flow, removed 20 selfloop flow, removed 2 redundant places. [2023-08-26 08:21:03,486 INFO L231 Difference]: Finished difference. Result has 67 places, 59 transitions, 382 flow [2023-08-26 08:21:03,487 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=768, PETRI_DIFFERENCE_MINUEND_FLOW=326, PETRI_DIFFERENCE_MINUEND_PLACES=61, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=56, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=47, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=382, PETRI_PLACES=67, PETRI_TRANSITIONS=59} [2023-08-26 08:21:03,488 INFO L281 CegarLoopForPetriNet]: 89 programPoint places, -22 predicate places. [2023-08-26 08:21:03,488 INFO L495 AbstractCegarLoop]: Abstraction has has 67 places, 59 transitions, 382 flow [2023-08-26 08:21:03,488 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 309.75) internal successors, (1239), 4 states have internal predecessors, (1239), 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) [2023-08-26 08:21:03,488 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-26 08:21:03,488 INFO L208 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-26 08:21:03,494 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2023-08-26 08:21:03,694 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-08-26 08:21:03,694 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONASSERT === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 84 more)] === [2023-08-26 08:21:03,694 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-26 08:21:03,694 INFO L85 PathProgramCache]: Analyzing trace with hash -1104347122, now seen corresponding path program 2 times [2023-08-26 08:21:03,695 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-26 08:21:03,695 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2017362580] [2023-08-26 08:21:03,695 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-26 08:21:03,696 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-26 08:21:03,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-26 08:21:03,863 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-26 08:21:03,863 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-26 08:21:03,863 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2017362580] [2023-08-26 08:21:03,863 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2017362580] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-26 08:21:03,864 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-26 08:21:03,864 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-08-26 08:21:03,864 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [101192080] [2023-08-26 08:21:03,864 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-26 08:21:03,864 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-08-26 08:21:03,864 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-26 08:21:03,865 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-08-26 08:21:03,865 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-08-26 08:21:03,866 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 303 out of 768 [2023-08-26 08:21:03,867 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 67 places, 59 transitions, 382 flow. Second operand has 4 states, 4 states have (on average 309.75) internal successors, (1239), 4 states have internal predecessors, (1239), 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) [2023-08-26 08:21:03,867 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-26 08:21:03,867 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 303 of 768 [2023-08-26 08:21:03,868 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-26 08:21:04,608 INFO L124 PetriNetUnfolderBase]: 7377/9805 cut-off events. [2023-08-26 08:21:04,609 INFO L125 PetriNetUnfolderBase]: For 25907/25907 co-relation queries the response was YES. [2023-08-26 08:21:04,623 INFO L83 FinitePrefix]: Finished finitePrefix Result has 39227 conditions, 9805 events. 7377/9805 cut-off events. For 25907/25907 co-relation queries the response was YES. Maximal size of possible extension queue 298. Compared 43221 event pairs, 735 based on Foata normal form. 74/9879 useless extension candidates. Maximal degree in co-relation 39207. Up to 3507 conditions per place. [2023-08-26 08:21:04,652 INFO L140 encePairwiseOnDemand]: 763/768 looper letters, 133 selfloop transitions, 9 changer transitions 4/146 dead transitions. [2023-08-26 08:21:04,652 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 71 places, 146 transitions, 1155 flow [2023-08-26 08:21:04,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-08-26 08:21:04,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2023-08-26 08:21:04,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1605 transitions. [2023-08-26 08:21:04,657 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.41796875 [2023-08-26 08:21:04,657 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 1605 transitions. [2023-08-26 08:21:04,657 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 1605 transitions. [2023-08-26 08:21:04,658 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-26 08:21:04,658 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1605 transitions. [2023-08-26 08:21:04,660 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 321.0) internal successors, (1605), 5 states have internal predecessors, (1605), 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) [2023-08-26 08:21:04,665 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 768.0) internal successors, (4608), 6 states have internal predecessors, (4608), 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) [2023-08-26 08:21:04,665 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 768.0) internal successors, (4608), 6 states have internal predecessors, (4608), 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) [2023-08-26 08:21:04,665 INFO L175 Difference]: Start difference. First operand has 67 places, 59 transitions, 382 flow. Second operand 5 states and 1605 transitions. [2023-08-26 08:21:04,665 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 71 places, 146 transitions, 1155 flow [2023-08-26 08:21:04,720 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 70 places, 146 transitions, 1146 flow, removed 2 selfloop flow, removed 1 redundant places. [2023-08-26 08:21:04,724 INFO L231 Difference]: Finished difference. Result has 71 places, 58 transitions, 386 flow [2023-08-26 08:21:04,725 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=768, PETRI_DIFFERENCE_MINUEND_FLOW=353, PETRI_DIFFERENCE_MINUEND_PLACES=66, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=57, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=48, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=386, PETRI_PLACES=71, PETRI_TRANSITIONS=58} [2023-08-26 08:21:04,725 INFO L281 CegarLoopForPetriNet]: 89 programPoint places, -18 predicate places. [2023-08-26 08:21:04,725 INFO L495 AbstractCegarLoop]: Abstraction has has 71 places, 58 transitions, 386 flow [2023-08-26 08:21:04,726 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 309.75) internal successors, (1239), 4 states have internal predecessors, (1239), 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) [2023-08-26 08:21:04,726 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-26 08:21:04,726 INFO L208 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-26 08:21:04,726 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-08-26 08:21:04,726 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONASSERT === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 84 more)] === [2023-08-26 08:21:04,726 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-26 08:21:04,726 INFO L85 PathProgramCache]: Analyzing trace with hash 1027110368, now seen corresponding path program 2 times [2023-08-26 08:21:04,726 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-26 08:21:04,726 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1341161487] [2023-08-26 08:21:04,727 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-26 08:21:04,727 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-26 08:21:04,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-26 08:21:04,799 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-26 08:21:04,799 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-26 08:21:04,799 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1341161487] [2023-08-26 08:21:04,799 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1341161487] provided 0 perfect and 1 imperfect interpolant sequences [2023-08-26 08:21:04,799 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1375220781] [2023-08-26 08:21:04,799 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-08-26 08:21:04,799 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-08-26 08:21:04,799 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-26 08:21:04,800 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-08-26 08:21:04,828 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-08-26 08:21:04,973 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-08-26 08:21:04,973 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-08-26 08:21:04,975 INFO L262 TraceCheckSpWp]: Trace formula consists of 285 conjuncts, 3 conjunts are in the unsatisfiable core [2023-08-26 08:21:04,976 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-08-26 08:21:05,035 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-26 08:21:05,036 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-08-26 08:21:05,093 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-26 08:21:05,093 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1375220781] provided 0 perfect and 2 imperfect interpolant sequences [2023-08-26 08:21:05,093 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-08-26 08:21:05,093 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 3 [2023-08-26 08:21:05,094 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2138449728] [2023-08-26 08:21:05,094 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-08-26 08:21:05,094 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-08-26 08:21:05,095 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-26 08:21:05,095 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-08-26 08:21:05,095 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-08-26 08:21:05,096 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 303 out of 768 [2023-08-26 08:21:05,097 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 71 places, 58 transitions, 386 flow. Second operand has 4 states, 4 states have (on average 309.75) internal successors, (1239), 4 states have internal predecessors, (1239), 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) [2023-08-26 08:21:05,097 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-26 08:21:05,097 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 303 of 768 [2023-08-26 08:21:05,097 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-26 08:21:06,142 INFO L124 PetriNetUnfolderBase]: 8853/11725 cut-off events. [2023-08-26 08:21:06,142 INFO L125 PetriNetUnfolderBase]: For 33147/33147 co-relation queries the response was YES. [2023-08-26 08:21:06,172 INFO L83 FinitePrefix]: Finished finitePrefix Result has 48225 conditions, 11725 events. 8853/11725 cut-off events. For 33147/33147 co-relation queries the response was YES. Maximal size of possible extension queue 339. Compared 50782 event pairs, 3073 based on Foata normal form. 222/11947 useless extension candidates. Maximal degree in co-relation 48204. Up to 6575 conditions per place. [2023-08-26 08:21:06,209 INFO L140 encePairwiseOnDemand]: 763/768 looper letters, 136 selfloop transitions, 8 changer transitions 0/144 dead transitions. [2023-08-26 08:21:06,209 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 75 places, 144 transitions, 1175 flow [2023-08-26 08:21:06,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-08-26 08:21:06,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2023-08-26 08:21:06,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1602 transitions. [2023-08-26 08:21:06,214 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4171875 [2023-08-26 08:21:06,214 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 1602 transitions. [2023-08-26 08:21:06,214 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 1602 transitions. [2023-08-26 08:21:06,215 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-26 08:21:06,215 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1602 transitions. [2023-08-26 08:21:06,218 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 320.4) internal successors, (1602), 5 states have internal predecessors, (1602), 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) [2023-08-26 08:21:06,222 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 768.0) internal successors, (4608), 6 states have internal predecessors, (4608), 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) [2023-08-26 08:21:06,223 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 768.0) internal successors, (4608), 6 states have internal predecessors, (4608), 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) [2023-08-26 08:21:06,223 INFO L175 Difference]: Start difference. First operand has 71 places, 58 transitions, 386 flow. Second operand 5 states and 1602 transitions. [2023-08-26 08:21:06,223 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 75 places, 144 transitions, 1175 flow [2023-08-26 08:21:06,260 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 74 places, 144 transitions, 1168 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-08-26 08:21:06,262 INFO L231 Difference]: Finished difference. Result has 76 places, 61 transitions, 433 flow [2023-08-26 08:21:06,262 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=768, PETRI_DIFFERENCE_MINUEND_FLOW=379, PETRI_DIFFERENCE_MINUEND_PLACES=70, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=58, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=51, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=433, PETRI_PLACES=76, PETRI_TRANSITIONS=61} [2023-08-26 08:21:06,263 INFO L281 CegarLoopForPetriNet]: 89 programPoint places, -13 predicate places. [2023-08-26 08:21:06,263 INFO L495 AbstractCegarLoop]: Abstraction has has 76 places, 61 transitions, 433 flow [2023-08-26 08:21:06,263 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 309.75) internal successors, (1239), 4 states have internal predecessors, (1239), 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) [2023-08-26 08:21:06,263 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-26 08:21:06,263 INFO L208 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-26 08:21:06,278 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-08-26 08:21:06,475 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-08-26 08:21:06,475 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONASSERT === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 84 more)] === [2023-08-26 08:21:06,476 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-26 08:21:06,476 INFO L85 PathProgramCache]: Analyzing trace with hash 1851579249, now seen corresponding path program 1 times [2023-08-26 08:21:06,476 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-26 08:21:06,476 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1761739884] [2023-08-26 08:21:06,476 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-26 08:21:06,476 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-26 08:21:06,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-26 08:21:07,106 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-26 08:21:07,106 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-26 08:21:07,107 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1761739884] [2023-08-26 08:21:07,107 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1761739884] provided 0 perfect and 1 imperfect interpolant sequences [2023-08-26 08:21:07,107 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [570619404] [2023-08-26 08:21:07,107 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-26 08:21:07,107 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-08-26 08:21:07,107 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-26 08:21:07,108 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-08-26 08:21:07,110 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-08-26 08:21:07,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-26 08:21:07,532 INFO L262 TraceCheckSpWp]: Trace formula consists of 294 conjuncts, 12 conjunts are in the unsatisfiable core [2023-08-26 08:21:07,534 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-08-26 08:21:16,829 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-26 08:21:16,829 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-08-26 08:21:20,295 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-26 08:21:20,295 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [570619404] provided 0 perfect and 2 imperfect interpolant sequences [2023-08-26 08:21:20,296 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-08-26 08:21:20,296 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4, 4] total 11 [2023-08-26 08:21:20,296 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1200629449] [2023-08-26 08:21:20,296 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-08-26 08:21:20,296 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-08-26 08:21:20,297 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-26 08:21:20,297 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-08-26 08:21:20,297 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=117, Unknown=1, NotChecked=0, Total=156 [2023-08-26 08:21:20,299 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 292 out of 768 [2023-08-26 08:21:20,302 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 76 places, 61 transitions, 433 flow. Second operand has 13 states, 13 states have (on average 297.2307692307692) internal successors, (3864), 13 states have internal predecessors, (3864), 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) [2023-08-26 08:21:20,302 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-26 08:21:20,302 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 292 of 768 [2023-08-26 08:21:20,302 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-26 08:21:23,916 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-08-26 08:21:28,662 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-08-26 08:21:30,015 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.35s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-08-26 08:21:35,903 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-08-26 08:21:40,812 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-08-26 08:21:41,950 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.14s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-08-26 08:21:51,752 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-08-26 08:21:54,277 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-08-26 08:21:55,745 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.17s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-08-26 08:21:57,753 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-08-26 08:22:00,705 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-08-26 08:22:04,008 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-08-26 08:22:05,941 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.46s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-08-26 08:22:07,946 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-08-26 08:22:10,659 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-08-26 08:22:11,946 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.29s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-08-26 08:22:15,064 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-08-26 08:22:18,690 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-08-26 08:22:20,764 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-08-26 08:22:20,902 INFO L124 PetriNetUnfolderBase]: 12271/16323 cut-off events. [2023-08-26 08:22:20,903 INFO L125 PetriNetUnfolderBase]: For 49392/49392 co-relation queries the response was YES. [2023-08-26 08:22:20,934 INFO L83 FinitePrefix]: Finished finitePrefix Result has 69095 conditions, 16323 events. 12271/16323 cut-off events. For 49392/49392 co-relation queries the response was YES. Maximal size of possible extension queue 483. Compared 75662 event pairs, 2280 based on Foata normal form. 2/16325 useless extension candidates. Maximal degree in co-relation 69071. Up to 11456 conditions per place. [2023-08-26 08:22:20,973 INFO L140 encePairwiseOnDemand]: 761/768 looper letters, 180 selfloop transitions, 31 changer transitions 5/216 dead transitions. [2023-08-26 08:22:20,974 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 84 places, 216 transitions, 1662 flow [2023-08-26 08:22:20,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-08-26 08:22:20,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2023-08-26 08:22:20,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 2799 transitions. [2023-08-26 08:22:20,981 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4049479166666667 [2023-08-26 08:22:20,981 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 2799 transitions. [2023-08-26 08:22:20,981 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 2799 transitions. [2023-08-26 08:22:20,983 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-26 08:22:20,983 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 2799 transitions. [2023-08-26 08:22:20,988 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 311.0) internal successors, (2799), 9 states have internal predecessors, (2799), 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) [2023-08-26 08:22:20,995 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 768.0) internal successors, (7680), 10 states have internal predecessors, (7680), 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) [2023-08-26 08:22:20,996 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 768.0) internal successors, (7680), 10 states have internal predecessors, (7680), 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) [2023-08-26 08:22:20,997 INFO L175 Difference]: Start difference. First operand has 76 places, 61 transitions, 433 flow. Second operand 9 states and 2799 transitions. [2023-08-26 08:22:20,997 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 84 places, 216 transitions, 1662 flow [2023-08-26 08:22:21,079 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 83 places, 216 transitions, 1637 flow, removed 4 selfloop flow, removed 1 redundant places. [2023-08-26 08:22:21,081 INFO L231 Difference]: Finished difference. Result has 88 places, 87 transitions, 774 flow [2023-08-26 08:22:21,081 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=768, PETRI_DIFFERENCE_MINUEND_FLOW=420, PETRI_DIFFERENCE_MINUEND_PLACES=75, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=61, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=46, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=774, PETRI_PLACES=88, PETRI_TRANSITIONS=87} [2023-08-26 08:22:21,081 INFO L281 CegarLoopForPetriNet]: 89 programPoint places, -1 predicate places. [2023-08-26 08:22:21,082 INFO L495 AbstractCegarLoop]: Abstraction has has 88 places, 87 transitions, 774 flow [2023-08-26 08:22:21,083 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 297.2307692307692) internal successors, (3864), 13 states have internal predecessors, (3864), 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) [2023-08-26 08:22:21,083 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-26 08:22:21,083 INFO L208 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-26 08:22:21,090 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2023-08-26 08:22:21,289 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2023-08-26 08:22:21,290 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONASSERT === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 84 more)] === [2023-08-26 08:22:21,290 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-26 08:22:21,290 INFO L85 PathProgramCache]: Analyzing trace with hash 13819365, now seen corresponding path program 1 times [2023-08-26 08:22:21,290 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-26 08:22:21,291 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1999455801] [2023-08-26 08:22:21,291 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-26 08:22:21,291 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-26 08:22:21,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-26 08:22:21,803 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-26 08:22:21,804 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-26 08:22:21,804 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1999455801] [2023-08-26 08:22:21,804 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1999455801] provided 0 perfect and 1 imperfect interpolant sequences [2023-08-26 08:22:21,804 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1800818340] [2023-08-26 08:22:21,804 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-26 08:22:21,804 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-08-26 08:22:21,804 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-26 08:22:21,805 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-08-26 08:22:21,807 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-08-26 08:22:25,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-26 08:22:25,055 INFO L262 TraceCheckSpWp]: Trace formula consists of 294 conjuncts, 13 conjunts are in the unsatisfiable core [2023-08-26 08:22:25,057 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-08-26 08:23:28,748 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 2 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-26 08:23:28,748 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-08-26 08:23:39,747 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-26 08:23:39,748 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1800818340] provided 0 perfect and 2 imperfect interpolant sequences [2023-08-26 08:23:39,748 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-08-26 08:23:39,748 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 13 [2023-08-26 08:23:39,749 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [537104706] [2023-08-26 08:23:39,749 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-08-26 08:23:39,749 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2023-08-26 08:23:39,750 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-26 08:23:39,750 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2023-08-26 08:23:39,751 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=145, Unknown=12, NotChecked=0, Total=210 [2023-08-26 08:23:39,753 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 292 out of 768 [2023-08-26 08:23:39,756 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 88 places, 87 transitions, 774 flow. Second operand has 15 states, 15 states have (on average 296.26666666666665) internal successors, (4444), 15 states have internal predecessors, (4444), 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) [2023-08-26 08:23:39,756 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-26 08:23:39,756 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 292 of 768 [2023-08-26 08:23:39,756 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-26 08:23:52,981 WARN L234 SmtUtils]: Spent 8.70s on a formula simplification that was a NOOP. DAG size: 68 (called from [L 376] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-08-26 08:23:55,697 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-08-26 08:24:05,658 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-08-26 08:24:07,666 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-08-26 08:24:10,291 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-08-26 08:24:12,793 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-08-26 08:24:14,212 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.42s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-08-26 08:24:16,216 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-08-26 08:24:18,270 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-08-26 08:24:22,965 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-08-26 08:24:24,969 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-08-26 08:24:26,975 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-08-26 08:24:32,532 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-08-26 08:24:49,711 WARN L234 SmtUtils]: Spent 9.70s on a formula simplification. DAG size of input: 50 DAG size of output: 49 (called from [L 376] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-08-26 08:24:50,907 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.19s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-08-26 08:24:53,888 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-08-26 08:24:55,891 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.40s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-08-26 08:24:58,104 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-08-26 08:25:00,109 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-08-26 08:25:02,116 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-08-26 08:25:04,124 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-08-26 08:25:06,132 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-08-26 08:25:08,151 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-08-26 08:25:10,169 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-08-26 08:25:12,258 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-08-26 08:25:14,262 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-08-26 08:25:27,511 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-08-26 08:25:30,006 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-08-26 08:25:34,432 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-08-26 08:25:36,757 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-08-26 08:25:40,177 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.08s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-08-26 08:25:42,194 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-08-26 08:25:44,360 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-08-26 08:25:46,364 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-08-26 08:25:48,868 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-08-26 08:25:53,806 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.10s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-08-26 08:25:54,062 INFO L124 PetriNetUnfolderBase]: 16392/21911 cut-off events. [2023-08-26 08:25:54,062 INFO L125 PetriNetUnfolderBase]: For 72061/72061 co-relation queries the response was YES. [2023-08-26 08:25:54,147 INFO L83 FinitePrefix]: Finished finitePrefix Result has 97995 conditions, 21911 events. 16392/21911 cut-off events. For 72061/72061 co-relation queries the response was YES. Maximal size of possible extension queue 684. Compared 108519 event pairs, 1592 based on Foata normal form. 46/21957 useless extension candidates. Maximal degree in co-relation 97965. Up to 16296 conditions per place. [2023-08-26 08:25:54,211 INFO L140 encePairwiseOnDemand]: 748/768 looper letters, 248 selfloop transitions, 59 changer transitions 21/328 dead transitions. [2023-08-26 08:25:54,211 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 100 places, 328 transitions, 2723 flow [2023-08-26 08:25:54,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-08-26 08:25:54,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2023-08-26 08:25:54,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 4035 transitions. [2023-08-26 08:25:54,223 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.40414663461538464 [2023-08-26 08:25:54,223 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 4035 transitions. [2023-08-26 08:25:54,223 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 4035 transitions. [2023-08-26 08:25:54,225 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-26 08:25:54,225 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 4035 transitions. [2023-08-26 08:25:54,232 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 310.38461538461536) internal successors, (4035), 13 states have internal predecessors, (4035), 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) [2023-08-26 08:25:54,243 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 768.0) internal successors, (10752), 14 states have internal predecessors, (10752), 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) [2023-08-26 08:25:54,244 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 768.0) internal successors, (10752), 14 states have internal predecessors, (10752), 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) [2023-08-26 08:25:54,244 INFO L175 Difference]: Start difference. First operand has 88 places, 87 transitions, 774 flow. Second operand 13 states and 4035 transitions. [2023-08-26 08:25:54,244 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 100 places, 328 transitions, 2723 flow [2023-08-26 08:25:54,413 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 99 places, 328 transitions, 2676 flow, removed 21 selfloop flow, removed 1 redundant places. [2023-08-26 08:25:54,415 INFO L231 Difference]: Finished difference. Result has 106 places, 143 transitions, 1502 flow [2023-08-26 08:25:54,416 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=768, PETRI_DIFFERENCE_MINUEND_FLOW=727, PETRI_DIFFERENCE_MINUEND_PLACES=87, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=87, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=11, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=55, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=1502, PETRI_PLACES=106, PETRI_TRANSITIONS=143} [2023-08-26 08:25:54,416 INFO L281 CegarLoopForPetriNet]: 89 programPoint places, 17 predicate places. [2023-08-26 08:25:54,416 INFO L495 AbstractCegarLoop]: Abstraction has has 106 places, 143 transitions, 1502 flow [2023-08-26 08:25:54,417 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 296.26666666666665) internal successors, (4444), 15 states have internal predecessors, (4444), 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) [2023-08-26 08:25:54,417 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-26 08:25:54,417 INFO L208 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-26 08:25:54,431 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2023-08-26 08:25:54,625 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-08-26 08:25:54,625 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONASSERT === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 84 more)] === [2023-08-26 08:25:54,626 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-26 08:25:54,626 INFO L85 PathProgramCache]: Analyzing trace with hash -286687231, now seen corresponding path program 2 times [2023-08-26 08:25:54,626 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-26 08:25:54,626 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1174492193] [2023-08-26 08:25:54,626 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-26 08:25:54,626 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-26 08:25:54,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-26 08:25:55,091 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-26 08:25:55,092 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-26 08:25:55,092 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1174492193] [2023-08-26 08:25:55,092 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1174492193] provided 0 perfect and 1 imperfect interpolant sequences [2023-08-26 08:25:55,092 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1713152106] [2023-08-26 08:25:55,092 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-08-26 08:25:55,092 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-08-26 08:25:55,092 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-26 08:25:55,097 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-08-26 08:25:55,124 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-08-26 08:25:56,611 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-08-26 08:25:56,612 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-08-26 08:25:56,614 INFO L262 TraceCheckSpWp]: Trace formula consists of 294 conjuncts, 13 conjunts are in the unsatisfiable core [2023-08-26 08:25:56,616 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-08-26 08:26:52,533 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 1 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-26 08:26:52,533 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-08-26 08:27:01,595 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-26 08:27:01,596 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1713152106] provided 0 perfect and 2 imperfect interpolant sequences [2023-08-26 08:27:01,596 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-08-26 08:27:01,596 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 6, 5] total 14 [2023-08-26 08:27:01,596 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1976081711] [2023-08-26 08:27:01,596 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-08-26 08:27:01,596 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2023-08-26 08:27:01,596 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-26 08:27:01,597 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2023-08-26 08:27:01,597 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=154, Unknown=13, NotChecked=0, Total=240 [2023-08-26 08:27:01,599 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 292 out of 768 [2023-08-26 08:27:01,602 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 106 places, 143 transitions, 1502 flow. Second operand has 16 states, 16 states have (on average 296.0) internal successors, (4736), 16 states have internal predecessors, (4736), 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) [2023-08-26 08:27:01,602 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-26 08:27:01,602 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 292 of 768 [2023-08-26 08:27:01,602 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-26 08:27:04,060 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-08-26 08:27:07,800 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-08-26 08:27:10,915 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-08-26 08:27:12,945 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-08-26 08:27:14,955 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-08-26 08:27:16,136 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.17s for a HTC check with result VALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-08-26 08:27:49,688 WARN L234 SmtUtils]: Spent 28.31s on a formula simplification. DAG size of input: 89 DAG size of output: 63 (called from [L 376] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-08-26 08:27:51,692 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-08-26 08:27:53,755 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-08-26 08:27:56,124 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.85s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-08-26 08:28:04,132 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-08-26 08:28:06,157 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-08-26 08:28:08,823 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-08-26 08:28:11,260 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.97s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-08-26 08:28:16,995 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-08-26 08:28:19,820 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-08-26 08:28:23,227 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-08-26 08:28:25,990 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.31s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-08-26 08:28:27,301 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.31s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-08-26 08:28:30,309 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.91s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-08-26 08:28:32,315 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-08-26 08:28:33,399 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.00s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-08-26 08:28:35,419 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-08-26 08:28:41,538 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-08-26 08:28:43,554 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-08-26 08:28:52,674 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-08-26 08:28:54,690 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-08-26 08:28:56,694 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-08-26 08:28:59,053 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-08-26 08:29:01,059 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-08-26 08:29:02,320 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.07s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-08-26 08:29:08,366 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-08-26 08:29:10,090 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.72s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-08-26 08:29:16,429 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-08-26 08:29:18,662 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-08-26 08:29:20,838 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.93s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-08-26 08:29:22,063 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-08-26 08:29:31,403 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.08s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-08-26 08:29:33,792 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-08-26 08:29:36,235 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-08-26 08:29:37,603 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.35s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-08-26 08:29:42,717 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-08-26 08:29:46,983 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.86s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-08-26 08:29:48,168 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.18s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-08-26 08:29:48,974 INFO L124 PetriNetUnfolderBase]: 24386/32569 cut-off events. [2023-08-26 08:29:48,974 INFO L125 PetriNetUnfolderBase]: For 153822/153822 co-relation queries the response was YES. [2023-08-26 08:29:49,162 INFO L83 FinitePrefix]: Finished finitePrefix Result has 168463 conditions, 32569 events. 24386/32569 cut-off events. For 153822/153822 co-relation queries the response was YES. Maximal size of possible extension queue 982. Compared 169373 event pairs, 2700 based on Foata normal form. 57/32626 useless extension candidates. Maximal degree in co-relation 168425. Up to 20910 conditions per place. [2023-08-26 08:29:49,261 INFO L140 encePairwiseOnDemand]: 749/768 looper letters, 355 selfloop transitions, 141 changer transitions 34/530 dead transitions. [2023-08-26 08:29:49,261 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 124 places, 530 transitions, 5344 flow [2023-08-26 08:29:49,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-08-26 08:29:49,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2023-08-26 08:29:49,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 5882 transitions. [2023-08-26 08:29:49,273 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.40309758771929827 [2023-08-26 08:29:49,273 INFO L72 ComplementDD]: Start complementDD. Operand 19 states and 5882 transitions. [2023-08-26 08:29:49,273 INFO L73 IsDeterministic]: Start isDeterministic. Operand 19 states and 5882 transitions. [2023-08-26 08:29:49,275 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-26 08:29:49,275 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 19 states and 5882 transitions. [2023-08-26 08:29:49,284 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 20 states, 19 states have (on average 309.57894736842104) internal successors, (5882), 19 states have internal predecessors, (5882), 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) [2023-08-26 08:29:49,297 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 20 states, 20 states have (on average 768.0) internal successors, (15360), 20 states have internal predecessors, (15360), 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) [2023-08-26 08:29:49,299 INFO L81 ComplementDD]: Finished complementDD. Result has 20 states, 20 states have (on average 768.0) internal successors, (15360), 20 states have internal predecessors, (15360), 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) [2023-08-26 08:29:49,299 INFO L175 Difference]: Start difference. First operand has 106 places, 143 transitions, 1502 flow. Second operand 19 states and 5882 transitions. [2023-08-26 08:29:49,299 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 124 places, 530 transitions, 5344 flow [2023-08-26 08:29:49,924 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 123 places, 530 transitions, 5185 flow, removed 77 selfloop flow, removed 1 redundant places. [2023-08-26 08:29:49,928 INFO L231 Difference]: Finished difference. Result has 135 places, 272 transitions, 3255 flow [2023-08-26 08:29:49,928 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=768, PETRI_DIFFERENCE_MINUEND_FLOW=1343, PETRI_DIFFERENCE_MINUEND_PLACES=105, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=143, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=30, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=95, PETRI_DIFFERENCE_SUBTRAHEND_STATES=19, PETRI_FLOW=3255, PETRI_PLACES=135, PETRI_TRANSITIONS=272} [2023-08-26 08:29:49,929 INFO L281 CegarLoopForPetriNet]: 89 programPoint places, 46 predicate places. [2023-08-26 08:29:49,929 INFO L495 AbstractCegarLoop]: Abstraction has has 135 places, 272 transitions, 3255 flow [2023-08-26 08:29:49,930 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 296.0) internal successors, (4736), 16 states have internal predecessors, (4736), 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) [2023-08-26 08:29:49,930 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-26 08:29:49,930 INFO L208 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-26 08:29:49,938 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2023-08-26 08:29:50,136 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-08-26 08:29:50,136 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONASSERT === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 84 more)] === [2023-08-26 08:29:50,137 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-26 08:29:50,137 INFO L85 PathProgramCache]: Analyzing trace with hash 801718159, now seen corresponding path program 2 times [2023-08-26 08:29:50,137 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-26 08:29:50,137 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2012841993] [2023-08-26 08:29:50,137 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-26 08:29:50,137 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-26 08:29:50,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-26 08:29:50,658 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-26 08:29:50,659 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-26 08:29:50,659 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2012841993] [2023-08-26 08:29:50,659 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2012841993] provided 0 perfect and 1 imperfect interpolant sequences [2023-08-26 08:29:50,659 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1960278071] [2023-08-26 08:29:50,659 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-08-26 08:29:50,659 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-08-26 08:29:50,659 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-26 08:29:50,660 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-08-26 08:29:50,665 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2023-08-26 08:29:50,936 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-08-26 08:29:50,936 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-08-26 08:29:50,938 INFO L262 TraceCheckSpWp]: Trace formula consists of 294 conjuncts, 10 conjunts are in the unsatisfiable core [2023-08-26 08:29:50,941 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-08-26 08:29:51,487 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-26 08:29:51,487 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-08-26 08:29:52,572 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-26 08:29:52,573 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1960278071] provided 0 perfect and 2 imperfect interpolant sequences [2023-08-26 08:29:52,573 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-08-26 08:29:52,573 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 3, 3] total 9 [2023-08-26 08:29:52,573 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [409890286] [2023-08-26 08:29:52,573 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-08-26 08:29:52,573 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-08-26 08:29:52,573 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-26 08:29:52,573 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-08-26 08:29:52,574 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2023-08-26 08:29:52,575 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 292 out of 768 [2023-08-26 08:29:52,576 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 135 places, 272 transitions, 3255 flow. Second operand has 11 states, 11 states have (on average 299.09090909090907) internal successors, (3290), 11 states have internal predecessors, (3290), 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) [2023-08-26 08:29:52,576 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-26 08:29:52,576 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 292 of 768 [2023-08-26 08:29:52,576 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-26 08:29:56,830 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-08-26 08:29:58,612 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-08-26 08:30:09,243 INFO L124 PetriNetUnfolderBase]: 26216/35026 cut-off events. [2023-08-26 08:30:09,243 INFO L125 PetriNetUnfolderBase]: For 268812/268812 co-relation queries the response was YES. [2023-08-26 08:30:09,504 INFO L83 FinitePrefix]: Finished finitePrefix Result has 221361 conditions, 35026 events. 26216/35026 cut-off events. For 268812/268812 co-relation queries the response was YES. Maximal size of possible extension queue 1081. Compared 184804 event pairs, 3892 based on Foata normal form. 1/35027 useless extension candidates. Maximal degree in co-relation 221310. Up to 31462 conditions per place. [2023-08-26 08:30:09,624 INFO L140 encePairwiseOnDemand]: 762/768 looper letters, 343 selfloop transitions, 18 changer transitions 6/367 dead transitions. [2023-08-26 08:30:09,625 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 140 places, 367 transitions, 4724 flow [2023-08-26 08:30:09,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-26 08:30:09,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-26 08:30:09,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1873 transitions. [2023-08-26 08:30:09,630 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4064670138888889 [2023-08-26 08:30:09,630 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1873 transitions. [2023-08-26 08:30:09,630 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1873 transitions. [2023-08-26 08:30:09,631 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-26 08:30:09,631 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1873 transitions. [2023-08-26 08:30:09,633 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 312.1666666666667) internal successors, (1873), 6 states have internal predecessors, (1873), 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) [2023-08-26 08:30:09,637 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 768.0) internal successors, (5376), 7 states have internal predecessors, (5376), 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) [2023-08-26 08:30:09,637 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 768.0) internal successors, (5376), 7 states have internal predecessors, (5376), 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) [2023-08-26 08:30:09,637 INFO L175 Difference]: Start difference. First operand has 135 places, 272 transitions, 3255 flow. Second operand 6 states and 1873 transitions. [2023-08-26 08:30:09,637 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 140 places, 367 transitions, 4724 flow [2023-08-26 08:30:11,525 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 139 places, 367 transitions, 4267 flow, removed 226 selfloop flow, removed 1 redundant places. [2023-08-26 08:30:11,532 INFO L231 Difference]: Finished difference. Result has 141 places, 282 transitions, 2999 flow [2023-08-26 08:30:11,533 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=768, PETRI_DIFFERENCE_MINUEND_FLOW=2798, PETRI_DIFFERENCE_MINUEND_PLACES=134, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=272, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=12, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=258, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=2999, PETRI_PLACES=141, PETRI_TRANSITIONS=282} [2023-08-26 08:30:11,541 INFO L281 CegarLoopForPetriNet]: 89 programPoint places, 52 predicate places. [2023-08-26 08:30:11,542 INFO L495 AbstractCegarLoop]: Abstraction has has 141 places, 282 transitions, 2999 flow [2023-08-26 08:30:11,542 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 299.09090909090907) internal successors, (3290), 11 states have internal predecessors, (3290), 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) [2023-08-26 08:30:11,542 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-26 08:30:11,542 INFO L208 CegarLoopForPetriNet]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-26 08:30:11,548 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2023-08-26 08:30:11,748 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2023-08-26 08:30:11,749 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONASSERT === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 84 more)] === [2023-08-26 08:30:11,749 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-26 08:30:11,749 INFO L85 PathProgramCache]: Analyzing trace with hash 1601368272, now seen corresponding path program 3 times [2023-08-26 08:30:11,749 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-26 08:30:11,749 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2124842288] [2023-08-26 08:30:11,749 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-26 08:30:11,749 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-26 08:30:11,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-26 08:30:11,910 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-26 08:30:11,910 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-26 08:30:11,910 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2124842288] [2023-08-26 08:30:11,910 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2124842288] provided 0 perfect and 1 imperfect interpolant sequences [2023-08-26 08:30:11,910 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1669015920] [2023-08-26 08:30:11,910 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-08-26 08:30:11,911 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-08-26 08:30:11,911 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-26 08:30:11,912 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-08-26 08:30:11,917 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2023-08-26 08:31:09,971 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2023-08-26 08:31:09,972 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-08-26 08:31:09,984 INFO L262 TraceCheckSpWp]: Trace formula consists of 303 conjuncts, 13 conjunts are in the unsatisfiable core [2023-08-26 08:31:09,985 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-08-26 08:31:19,991 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-26 08:31:19,991 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-08-26 08:31:24,534 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-26 08:31:24,534 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1669015920] provided 0 perfect and 2 imperfect interpolant sequences [2023-08-26 08:31:24,534 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-08-26 08:31:24,534 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 6, 6] total 14 [2023-08-26 08:31:24,535 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [987818613] [2023-08-26 08:31:24,535 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-08-26 08:31:24,535 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2023-08-26 08:31:24,535 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-26 08:31:24,535 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2023-08-26 08:31:24,535 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=164, Unknown=2, NotChecked=0, Total=210 [2023-08-26 08:31:24,537 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 303 out of 768 [2023-08-26 08:31:24,539 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 141 places, 282 transitions, 2999 flow. Second operand has 15 states, 15 states have (on average 308.53333333333336) internal successors, (4628), 15 states have internal predecessors, (4628), 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) [2023-08-26 08:31:24,539 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-26 08:31:24,539 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 303 of 768 [2023-08-26 08:31:24,539 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-26 08:31:28,732 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-08-26 08:31:30,761 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-08-26 08:31:32,805 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-08-26 08:31:35,294 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-08-26 08:31:37,754 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-08-26 08:31:39,765 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-08-26 08:31:42,256 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.23s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-08-26 08:31:44,277 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-08-26 08:31:52,794 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-08-26 08:31:55,618 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-08-26 08:31:57,641 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-08-26 08:32:00,087 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-08-26 08:32:02,188 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-08-26 08:32:04,494 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.48s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-08-26 08:32:06,510 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-08-26 08:32:09,419 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-08-26 08:32:11,826 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-08-26 08:32:13,863 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-08-26 08:32:15,868 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-08-26 08:32:17,873 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-08-26 08:32:19,918 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-08-26 08:32:21,929 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-08-26 08:32:26,202 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-08-26 08:32:28,221 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-08-26 08:32:30,362 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-08-26 08:32:32,416 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-08-26 08:32:52,584 WARN L234 SmtUtils]: Spent 9.45s on a formula simplification. DAG size of input: 43 DAG size of output: 42 (called from [L 376] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-08-26 08:32:55,487 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-08-26 08:32:57,753 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-08-26 08:32:59,773 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-08-26 08:33:02,575 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-08-26 08:33:04,586 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-08-26 08:33:06,655 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-08-26 08:33:08,662 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-08-26 08:33:10,672 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-08-26 08:33:13,332 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-08-26 08:33:15,336 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-08-26 08:33:17,771 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-08-26 08:33:19,775 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-08-26 08:33:21,833 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-08-26 08:33:23,958 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-08-26 08:33:25,962 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-08-26 08:33:28,970 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-08-26 08:33:30,975 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-08-26 08:33:33,406 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-08-26 08:33:35,409 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-08-26 08:33:37,781 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-08-26 08:33:39,809 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-08-26 08:33:42,623 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-08-26 08:33:44,638 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-08-26 08:33:46,673 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-08-26 08:33:49,366 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-08-26 08:33:51,374 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-08-26 08:33:53,382 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-08-26 08:33:54,916 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.53s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-08-26 08:33:57,263 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-08-26 08:33:59,285 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-08-26 08:34:01,410 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-08-26 08:34:04,196 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-08-26 08:34:06,209 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-08-26 08:34:08,217 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-08-26 08:34:15,869 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-08-26 08:34:18,071 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-08-26 08:34:20,076 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-08-26 08:34:22,079 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-08-26 08:34:24,756 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-08-26 08:34:26,764 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-08-26 08:34:28,779 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-08-26 08:34:30,791 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-08-26 08:34:32,794 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-08-26 08:34:34,799 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-08-26 08:34:35,806 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-08-26 08:34:38,466 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.26s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-08-26 08:34:41,040 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-08-26 08:34:43,045 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-08-26 08:34:45,068 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-08-26 08:34:47,072 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-08-26 08:34:49,077 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-08-26 08:34:55,468 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-08-26 08:34:57,500 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-08-26 08:34:59,719 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.93s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-08-26 08:35:03,170 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-08-26 08:35:05,027 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.86s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-08-26 08:35:06,291 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.20s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] Received shutdown request... [2023-08-26 08:35:06,605 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-08-26 08:35:06,606 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-08-26 08:35:06,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-08-26 08:35:06,648 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr19ASSERT_VIOLATIONASSERT (87 of 88 remaining) [2023-08-26 08:35:06,656 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2023-08-26 08:35:06,848 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2023-08-26 08:35:06,849 WARN L619 AbstractCegarLoop]: Verification canceled: while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (15states, 303/768 universal loopers) in iteration 16,while PetriNetUnfolder was constructing finite prefix that currently has 101463 conditions, 17125 events (13022/17124 cut-off events. For 116373/116373 co-relation queries the response was YES. Maximal size of possible extension queue 1418. Compared 90195 event pairs, 2167 based on Foata normal form. 5/18549 useless extension candidates. Maximal degree in co-relation 101409. Up to 9239 conditions per place.). [2023-08-26 08:35:06,850 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Err0ASSERT_VIOLATIONDATA_RACE (86 of 88 remaining) [2023-08-26 08:35:06,850 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Err1ASSERT_VIOLATIONDATA_RACE (85 of 88 remaining) [2023-08-26 08:35:06,850 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Err2ASSERT_VIOLATIONDATA_RACE (84 of 88 remaining) [2023-08-26 08:35:06,851 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Err3ASSERT_VIOLATIONDATA_RACE (83 of 88 remaining) [2023-08-26 08:35:06,851 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Err4ASSERT_VIOLATIONDATA_RACE (82 of 88 remaining) [2023-08-26 08:35:06,851 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Err5ASSERT_VIOLATIONDATA_RACE (81 of 88 remaining) [2023-08-26 08:35:06,851 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Err6ASSERT_VIOLATIONDATA_RACE (80 of 88 remaining) [2023-08-26 08:35:06,851 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Err7ASSERT_VIOLATIONDATA_RACE (79 of 88 remaining) [2023-08-26 08:35:06,851 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread2Err0ASSERT_VIOLATIONDATA_RACE (78 of 88 remaining) [2023-08-26 08:35:06,851 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread2Err1ASSERT_VIOLATIONDATA_RACE (77 of 88 remaining) [2023-08-26 08:35:06,851 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread2Err2ASSERT_VIOLATIONDATA_RACE (76 of 88 remaining) [2023-08-26 08:35:06,851 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread2Err3ASSERT_VIOLATIONDATA_RACE (75 of 88 remaining) [2023-08-26 08:35:06,851 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread2Err4ASSERT_VIOLATIONDATA_RACE (74 of 88 remaining) [2023-08-26 08:35:06,851 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread2Err5ASSERT_VIOLATIONDATA_RACE (73 of 88 remaining) [2023-08-26 08:35:06,851 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread2Err6ASSERT_VIOLATIONDATA_RACE (72 of 88 remaining) [2023-08-26 08:35:06,852 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread2Err7ASSERT_VIOLATIONDATA_RACE (71 of 88 remaining) [2023-08-26 08:35:06,852 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread3Err0ASSERT_VIOLATIONDATA_RACE (70 of 88 remaining) [2023-08-26 08:35:06,852 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread3Err1ASSERT_VIOLATIONDATA_RACE (69 of 88 remaining) [2023-08-26 08:35:06,852 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread3Err2ASSERT_VIOLATIONDATA_RACE (68 of 88 remaining) [2023-08-26 08:35:06,852 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread3Err3ASSERT_VIOLATIONDATA_RACE (67 of 88 remaining) [2023-08-26 08:35:06,852 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread3Err4ASSERT_VIOLATIONDATA_RACE (66 of 88 remaining) [2023-08-26 08:35:06,852 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread3Err5ASSERT_VIOLATIONDATA_RACE (65 of 88 remaining) [2023-08-26 08:35:06,852 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread3Err6ASSERT_VIOLATIONDATA_RACE (64 of 88 remaining) [2023-08-26 08:35:06,852 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread3Err7ASSERT_VIOLATIONDATA_RACE (63 of 88 remaining) [2023-08-26 08:35:06,852 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (62 of 88 remaining) [2023-08-26 08:35:06,852 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (61 of 88 remaining) [2023-08-26 08:35:06,852 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (60 of 88 remaining) [2023-08-26 08:35:06,853 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (59 of 88 remaining) [2023-08-26 08:35:06,853 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (58 of 88 remaining) [2023-08-26 08:35:06,853 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (57 of 88 remaining) [2023-08-26 08:35:06,853 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (56 of 88 remaining) [2023-08-26 08:35:06,853 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (55 of 88 remaining) [2023-08-26 08:35:06,853 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (54 of 88 remaining) [2023-08-26 08:35:06,853 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (53 of 88 remaining) [2023-08-26 08:35:06,853 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (52 of 88 remaining) [2023-08-26 08:35:06,853 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (51 of 88 remaining) [2023-08-26 08:35:06,853 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE (50 of 88 remaining) [2023-08-26 08:35:06,853 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE (49 of 88 remaining) [2023-08-26 08:35:06,853 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE (48 of 88 remaining) [2023-08-26 08:35:06,854 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE (47 of 88 remaining) [2023-08-26 08:35:06,854 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr16ASSERT_VIOLATIONDATA_RACE (46 of 88 remaining) [2023-08-26 08:35:06,854 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr17ASSERT_VIOLATIONDATA_RACE (45 of 88 remaining) [2023-08-26 08:35:06,854 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr18ASSERT_VIOLATIONDATA_RACE (44 of 88 remaining) [2023-08-26 08:35:06,854 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (43 of 88 remaining) [2023-08-26 08:35:06,854 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (42 of 88 remaining) [2023-08-26 08:35:06,854 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (41 of 88 remaining) [2023-08-26 08:35:06,854 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (40 of 88 remaining) [2023-08-26 08:35:06,854 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread4Err0ASSERT_VIOLATIONDATA_RACE (39 of 88 remaining) [2023-08-26 08:35:06,854 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread4Err1ASSERT_VIOLATIONDATA_RACE (38 of 88 remaining) [2023-08-26 08:35:06,854 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread4Err2ASSERT_VIOLATIONDATA_RACE (37 of 88 remaining) [2023-08-26 08:35:06,854 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread4Err3ASSERT_VIOLATIONDATA_RACE (36 of 88 remaining) [2023-08-26 08:35:06,854 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread4Err4ASSERT_VIOLATIONDATA_RACE (35 of 88 remaining) [2023-08-26 08:35:06,855 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread4Err5ASSERT_VIOLATIONDATA_RACE (34 of 88 remaining) [2023-08-26 08:35:06,855 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread4Err6ASSERT_VIOLATIONDATA_RACE (33 of 88 remaining) [2023-08-26 08:35:06,855 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread4Err7ASSERT_VIOLATIONDATA_RACE (32 of 88 remaining) [2023-08-26 08:35:06,855 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Err0ASSERT_VIOLATIONDATA_RACE (31 of 88 remaining) [2023-08-26 08:35:06,855 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Err1ASSERT_VIOLATIONDATA_RACE (30 of 88 remaining) [2023-08-26 08:35:06,855 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Err2ASSERT_VIOLATIONDATA_RACE (29 of 88 remaining) [2023-08-26 08:35:06,855 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Err3ASSERT_VIOLATIONDATA_RACE (28 of 88 remaining) [2023-08-26 08:35:06,855 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Err4ASSERT_VIOLATIONDATA_RACE (27 of 88 remaining) [2023-08-26 08:35:06,855 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Err5ASSERT_VIOLATIONDATA_RACE (26 of 88 remaining) [2023-08-26 08:35:06,855 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Err6ASSERT_VIOLATIONDATA_RACE (25 of 88 remaining) [2023-08-26 08:35:06,855 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Err7ASSERT_VIOLATIONDATA_RACE (24 of 88 remaining) [2023-08-26 08:35:06,855 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread2Err0ASSERT_VIOLATIONDATA_RACE (23 of 88 remaining) [2023-08-26 08:35:06,856 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread2Err1ASSERT_VIOLATIONDATA_RACE (22 of 88 remaining) [2023-08-26 08:35:06,856 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread2Err2ASSERT_VIOLATIONDATA_RACE (21 of 88 remaining) [2023-08-26 08:35:06,856 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread2Err3ASSERT_VIOLATIONDATA_RACE (20 of 88 remaining) [2023-08-26 08:35:06,856 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread2Err4ASSERT_VIOLATIONDATA_RACE (19 of 88 remaining) [2023-08-26 08:35:06,856 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread2Err5ASSERT_VIOLATIONDATA_RACE (18 of 88 remaining) [2023-08-26 08:35:06,856 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread2Err6ASSERT_VIOLATIONDATA_RACE (17 of 88 remaining) [2023-08-26 08:35:06,856 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread2Err7ASSERT_VIOLATIONDATA_RACE (16 of 88 remaining) [2023-08-26 08:35:06,856 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread3Err0ASSERT_VIOLATIONDATA_RACE (15 of 88 remaining) [2023-08-26 08:35:06,856 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread3Err1ASSERT_VIOLATIONDATA_RACE (14 of 88 remaining) [2023-08-26 08:35:06,856 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread3Err2ASSERT_VIOLATIONDATA_RACE (13 of 88 remaining) [2023-08-26 08:35:06,856 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread3Err3ASSERT_VIOLATIONDATA_RACE (12 of 88 remaining) [2023-08-26 08:35:06,856 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread3Err4ASSERT_VIOLATIONDATA_RACE (11 of 88 remaining) [2023-08-26 08:35:06,856 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread3Err5ASSERT_VIOLATIONDATA_RACE (10 of 88 remaining) [2023-08-26 08:35:06,857 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread3Err6ASSERT_VIOLATIONDATA_RACE (9 of 88 remaining) [2023-08-26 08:35:06,857 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread3Err7ASSERT_VIOLATIONDATA_RACE (8 of 88 remaining) [2023-08-26 08:35:06,857 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread4Err0ASSERT_VIOLATIONDATA_RACE (7 of 88 remaining) [2023-08-26 08:35:06,857 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread4Err1ASSERT_VIOLATIONDATA_RACE (6 of 88 remaining) [2023-08-26 08:35:06,857 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread4Err2ASSERT_VIOLATIONDATA_RACE (5 of 88 remaining) [2023-08-26 08:35:06,857 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread4Err3ASSERT_VIOLATIONDATA_RACE (4 of 88 remaining) [2023-08-26 08:35:06,857 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread4Err4ASSERT_VIOLATIONDATA_RACE (3 of 88 remaining) [2023-08-26 08:35:06,857 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread4Err5ASSERT_VIOLATIONDATA_RACE (2 of 88 remaining) [2023-08-26 08:35:06,857 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread4Err6ASSERT_VIOLATIONDATA_RACE (1 of 88 remaining) [2023-08-26 08:35:06,857 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread4Err7ASSERT_VIOLATIONDATA_RACE (0 of 88 remaining) [2023-08-26 08:35:06,858 INFO L445 BasicCegarLoop]: Path program histogram: [3, 2, 2, 2, 2, 2, 1, 1, 1] [2023-08-26 08:35:06,862 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-08-26 08:35:06,863 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-08-26 08:35:06,865 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.08 08:35:06 BasicIcfg [2023-08-26 08:35:06,865 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-08-26 08:35:06,866 INFO L158 Benchmark]: Toolchain (without parser) took 860063.00ms. Allocated memory was 346.0MB in the beginning and 3.0GB in the end (delta: 2.6GB). Free memory was 322.9MB in the beginning and 2.0GB in the end (delta: -1.6GB). Peak memory consumption was 992.7MB. Max. memory is 16.0GB. [2023-08-26 08:35:06,866 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 346.0MB. Free memory is still 322.7MB. There was no memory consumed. Max. memory is 16.0GB. [2023-08-26 08:35:06,866 INFO L158 Benchmark]: CACSL2BoogieTranslator took 221.98ms. Allocated memory is still 346.0MB. Free memory was 322.6MB in the beginning and 311.0MB in the end (delta: 11.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.0GB. [2023-08-26 08:35:06,866 INFO L158 Benchmark]: Boogie Procedure Inliner took 36.54ms. Allocated memory is still 346.0MB. Free memory was 311.0MB in the beginning and 308.7MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. [2023-08-26 08:35:06,866 INFO L158 Benchmark]: Boogie Preprocessor took 29.61ms. Allocated memory is still 346.0MB. Free memory was 308.7MB in the beginning and 306.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. [2023-08-26 08:35:06,867 INFO L158 Benchmark]: RCFGBuilder took 691.05ms. Allocated memory is still 346.0MB. Free memory was 306.6MB in the beginning and 281.4MB in the end (delta: 25.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.0GB. [2023-08-26 08:35:06,867 INFO L158 Benchmark]: TraceAbstraction took 859070.62ms. Allocated memory was 346.0MB in the beginning and 3.0GB in the end (delta: 2.6GB). Free memory was 280.7MB in the beginning and 2.0GB in the end (delta: -1.7GB). Peak memory consumption was 950.7MB. Max. memory is 16.0GB. [2023-08-26 08:35:06,868 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 346.0MB. Free memory is still 322.7MB. There was no memory consumed. Max. memory is 16.0GB. * CACSL2BoogieTranslator took 221.98ms. Allocated memory is still 346.0MB. Free memory was 322.6MB in the beginning and 311.0MB in the end (delta: 11.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.0GB. * Boogie Procedure Inliner took 36.54ms. Allocated memory is still 346.0MB. Free memory was 311.0MB in the beginning and 308.7MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. * Boogie Preprocessor took 29.61ms. Allocated memory is still 346.0MB. Free memory was 308.7MB in the beginning and 306.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. * RCFGBuilder took 691.05ms. Allocated memory is still 346.0MB. Free memory was 306.6MB in the beginning and 281.4MB in the end (delta: 25.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.0GB. * TraceAbstraction took 859070.62ms. Allocated memory was 346.0MB in the beginning and 3.0GB in the end (delta: 2.6GB). Free memory was 280.7MB in the beginning and 2.0GB in the end (delta: -1.7GB). Peak memory consumption was 950.7MB. Max. memory is 16.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 7.8s, 321 PlacesBefore, 89 PlacesAfterwards, 322 TransitionsBefore, 84 TransitionsAfterwards, 23520 CoEnabledTransitionPairs, 8 FixpointIterations, 156 TrivialSequentialCompositions, 235 ConcurrentSequentialCompositions, 19 TrivialYvCompositions, 13 ConcurrentYvCompositions, 6 ChoiceCompositions, 429 TotalNumberOfCompositions, 39864 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 26427, independent: 26186, independent conditional: 0, independent unconditional: 26186, dependent: 241, dependent conditional: 0, dependent unconditional: 241, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 14370, independent: 14318, independent conditional: 0, independent unconditional: 14318, dependent: 52, dependent conditional: 0, dependent unconditional: 52, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 26427, independent: 11868, independent conditional: 0, independent unconditional: 11868, dependent: 189, dependent conditional: 0, dependent unconditional: 189, unknown: 14370, unknown conditional: 0, unknown unconditional: 14370] , Statistics on independence cache: Total cache size (in pairs): 326, Positive cache size: 305, Positive conditional cache size: 0, Positive unconditional cache size: 305, Negative cache size: 21, Negative conditional cache size: 0, Negative unconditional cache size: 21, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - TimeoutResultAtElement [Line: 21]: Timeout (TraceAbstraction) Unable to prove that assertion always holds Cancelled while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (15states, 303/768 universal loopers) in iteration 16,while PetriNetUnfolder was constructing finite prefix that currently has 101463 conditions, 17125 events (13022/17124 cut-off events. For 116373/116373 co-relation queries the response was YES. Maximal size of possible extension queue 1418. Compared 90195 event pairs, 2167 based on Foata normal form. 5/18549 useless extension candidates. Maximal degree in co-relation 101409. Up to 9239 conditions per place.). - TimeoutResultAtElement [Line: 38]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (15states, 303/768 universal loopers) in iteration 16,while PetriNetUnfolder was constructing finite prefix that currently has 101463 conditions, 17125 events (13022/17124 cut-off events. For 116373/116373 co-relation queries the response was YES. Maximal size of possible extension queue 1418. Compared 90195 event pairs, 2167 based on Foata normal form. 5/18549 useless extension candidates. Maximal degree in co-relation 101409. Up to 9239 conditions per place.). - TimeoutResultAtElement [Line: 38]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (15states, 303/768 universal loopers) in iteration 16,while PetriNetUnfolder was constructing finite prefix that currently has 101463 conditions, 17125 events (13022/17124 cut-off events. For 116373/116373 co-relation queries the response was YES. Maximal size of possible extension queue 1418. Compared 90195 event pairs, 2167 based on Foata normal form. 5/18549 useless extension candidates. Maximal degree in co-relation 101409. Up to 9239 conditions per place.). - TimeoutResultAtElement [Line: 39]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (15states, 303/768 universal loopers) in iteration 16,while PetriNetUnfolder was constructing finite prefix that currently has 101463 conditions, 17125 events (13022/17124 cut-off events. For 116373/116373 co-relation queries the response was YES. Maximal size of possible extension queue 1418. Compared 90195 event pairs, 2167 based on Foata normal form. 5/18549 useless extension candidates. Maximal degree in co-relation 101409. Up to 9239 conditions per place.). - TimeoutResultAtElement [Line: 39]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (15states, 303/768 universal loopers) in iteration 16,while PetriNetUnfolder was constructing finite prefix that currently has 101463 conditions, 17125 events (13022/17124 cut-off events. For 116373/116373 co-relation queries the response was YES. Maximal size of possible extension queue 1418. Compared 90195 event pairs, 2167 based on Foata normal form. 5/18549 useless extension candidates. Maximal degree in co-relation 101409. Up to 9239 conditions per place.). - TimeoutResultAtElement [Line: 39]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (15states, 303/768 universal loopers) in iteration 16,while PetriNetUnfolder was constructing finite prefix that currently has 101463 conditions, 17125 events (13022/17124 cut-off events. For 116373/116373 co-relation queries the response was YES. Maximal size of possible extension queue 1418. Compared 90195 event pairs, 2167 based on Foata normal form. 5/18549 useless extension candidates. Maximal degree in co-relation 101409. Up to 9239 conditions per place.). - TimeoutResultAtElement [Line: 40]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (15states, 303/768 universal loopers) in iteration 16,while PetriNetUnfolder was constructing finite prefix that currently has 101463 conditions, 17125 events (13022/17124 cut-off events. For 116373/116373 co-relation queries the response was YES. Maximal size of possible extension queue 1418. Compared 90195 event pairs, 2167 based on Foata normal form. 5/18549 useless extension candidates. Maximal degree in co-relation 101409. Up to 9239 conditions per place.). - TimeoutResultAtElement [Line: 40]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (15states, 303/768 universal loopers) in iteration 16,while PetriNetUnfolder was constructing finite prefix that currently has 101463 conditions, 17125 events (13022/17124 cut-off events. For 116373/116373 co-relation queries the response was YES. Maximal size of possible extension queue 1418. Compared 90195 event pairs, 2167 based on Foata normal form. 5/18549 useless extension candidates. Maximal degree in co-relation 101409. Up to 9239 conditions per place.). - TimeoutResultAtElement [Line: 40]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (15states, 303/768 universal loopers) in iteration 16,while PetriNetUnfolder was constructing finite prefix that currently has 101463 conditions, 17125 events (13022/17124 cut-off events. For 116373/116373 co-relation queries the response was YES. Maximal size of possible extension queue 1418. Compared 90195 event pairs, 2167 based on Foata normal form. 5/18549 useless extension candidates. Maximal degree in co-relation 101409. Up to 9239 conditions per place.). - TimeoutResultAtElement [Line: 47]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (15states, 303/768 universal loopers) in iteration 16,while PetriNetUnfolder was constructing finite prefix that currently has 101463 conditions, 17125 events (13022/17124 cut-off events. For 116373/116373 co-relation queries the response was YES. Maximal size of possible extension queue 1418. Compared 90195 event pairs, 2167 based on Foata normal form. 5/18549 useless extension candidates. Maximal degree in co-relation 101409. Up to 9239 conditions per place.). - TimeoutResultAtElement [Line: 47]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (15states, 303/768 universal loopers) in iteration 16,while PetriNetUnfolder was constructing finite prefix that currently has 101463 conditions, 17125 events (13022/17124 cut-off events. For 116373/116373 co-relation queries the response was YES. Maximal size of possible extension queue 1418. Compared 90195 event pairs, 2167 based on Foata normal form. 5/18549 useless extension candidates. Maximal degree in co-relation 101409. Up to 9239 conditions per place.). - TimeoutResultAtElement [Line: 48]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (15states, 303/768 universal loopers) in iteration 16,while PetriNetUnfolder was constructing finite prefix that currently has 101463 conditions, 17125 events (13022/17124 cut-off events. For 116373/116373 co-relation queries the response was YES. Maximal size of possible extension queue 1418. Compared 90195 event pairs, 2167 based on Foata normal form. 5/18549 useless extension candidates. Maximal degree in co-relation 101409. Up to 9239 conditions per place.). - TimeoutResultAtElement [Line: 48]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (15states, 303/768 universal loopers) in iteration 16,while PetriNetUnfolder was constructing finite prefix that currently has 101463 conditions, 17125 events (13022/17124 cut-off events. For 116373/116373 co-relation queries the response was YES. Maximal size of possible extension queue 1418. Compared 90195 event pairs, 2167 based on Foata normal form. 5/18549 useless extension candidates. Maximal degree in co-relation 101409. Up to 9239 conditions per place.). - TimeoutResultAtElement [Line: 48]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (15states, 303/768 universal loopers) in iteration 16,while PetriNetUnfolder was constructing finite prefix that currently has 101463 conditions, 17125 events (13022/17124 cut-off events. For 116373/116373 co-relation queries the response was YES. Maximal size of possible extension queue 1418. Compared 90195 event pairs, 2167 based on Foata normal form. 5/18549 useless extension candidates. Maximal degree in co-relation 101409. Up to 9239 conditions per place.). - TimeoutResultAtElement [Line: 49]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (15states, 303/768 universal loopers) in iteration 16,while PetriNetUnfolder was constructing finite prefix that currently has 101463 conditions, 17125 events (13022/17124 cut-off events. For 116373/116373 co-relation queries the response was YES. Maximal size of possible extension queue 1418. Compared 90195 event pairs, 2167 based on Foata normal form. 5/18549 useless extension candidates. Maximal degree in co-relation 101409. Up to 9239 conditions per place.). - TimeoutResultAtElement [Line: 49]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (15states, 303/768 universal loopers) in iteration 16,while PetriNetUnfolder was constructing finite prefix that currently has 101463 conditions, 17125 events (13022/17124 cut-off events. For 116373/116373 co-relation queries the response was YES. Maximal size of possible extension queue 1418. Compared 90195 event pairs, 2167 based on Foata normal form. 5/18549 useless extension candidates. Maximal degree in co-relation 101409. Up to 9239 conditions per place.). - TimeoutResultAtElement [Line: 49]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (15states, 303/768 universal loopers) in iteration 16,while PetriNetUnfolder was constructing finite prefix that currently has 101463 conditions, 17125 events (13022/17124 cut-off events. For 116373/116373 co-relation queries the response was YES. Maximal size of possible extension queue 1418. Compared 90195 event pairs, 2167 based on Foata normal form. 5/18549 useless extension candidates. Maximal degree in co-relation 101409. Up to 9239 conditions per place.). - TimeoutResultAtElement [Line: 56]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (15states, 303/768 universal loopers) in iteration 16,while PetriNetUnfolder was constructing finite prefix that currently has 101463 conditions, 17125 events (13022/17124 cut-off events. For 116373/116373 co-relation queries the response was YES. Maximal size of possible extension queue 1418. Compared 90195 event pairs, 2167 based on Foata normal form. 5/18549 useless extension candidates. Maximal degree in co-relation 101409. Up to 9239 conditions per place.). - TimeoutResultAtElement [Line: 56]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (15states, 303/768 universal loopers) in iteration 16,while PetriNetUnfolder was constructing finite prefix that currently has 101463 conditions, 17125 events (13022/17124 cut-off events. For 116373/116373 co-relation queries the response was YES. Maximal size of possible extension queue 1418. Compared 90195 event pairs, 2167 based on Foata normal form. 5/18549 useless extension candidates. Maximal degree in co-relation 101409. Up to 9239 conditions per place.). - TimeoutResultAtElement [Line: 57]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (15states, 303/768 universal loopers) in iteration 16,while PetriNetUnfolder was constructing finite prefix that currently has 101463 conditions, 17125 events (13022/17124 cut-off events. For 116373/116373 co-relation queries the response was YES. Maximal size of possible extension queue 1418. Compared 90195 event pairs, 2167 based on Foata normal form. 5/18549 useless extension candidates. Maximal degree in co-relation 101409. Up to 9239 conditions per place.). - TimeoutResultAtElement [Line: 57]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (15states, 303/768 universal loopers) in iteration 16,while PetriNetUnfolder was constructing finite prefix that currently has 101463 conditions, 17125 events (13022/17124 cut-off events. For 116373/116373 co-relation queries the response was YES. Maximal size of possible extension queue 1418. Compared 90195 event pairs, 2167 based on Foata normal form. 5/18549 useless extension candidates. Maximal degree in co-relation 101409. Up to 9239 conditions per place.). - TimeoutResultAtElement [Line: 57]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (15states, 303/768 universal loopers) in iteration 16,while PetriNetUnfolder was constructing finite prefix that currently has 101463 conditions, 17125 events (13022/17124 cut-off events. For 116373/116373 co-relation queries the response was YES. Maximal size of possible extension queue 1418. Compared 90195 event pairs, 2167 based on Foata normal form. 5/18549 useless extension candidates. Maximal degree in co-relation 101409. Up to 9239 conditions per place.). - TimeoutResultAtElement [Line: 58]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (15states, 303/768 universal loopers) in iteration 16,while PetriNetUnfolder was constructing finite prefix that currently has 101463 conditions, 17125 events (13022/17124 cut-off events. For 116373/116373 co-relation queries the response was YES. Maximal size of possible extension queue 1418. Compared 90195 event pairs, 2167 based on Foata normal form. 5/18549 useless extension candidates. Maximal degree in co-relation 101409. Up to 9239 conditions per place.). - TimeoutResultAtElement [Line: 58]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (15states, 303/768 universal loopers) in iteration 16,while PetriNetUnfolder was constructing finite prefix that currently has 101463 conditions, 17125 events (13022/17124 cut-off events. For 116373/116373 co-relation queries the response was YES. Maximal size of possible extension queue 1418. Compared 90195 event pairs, 2167 based on Foata normal form. 5/18549 useless extension candidates. Maximal degree in co-relation 101409. Up to 9239 conditions per place.). - TimeoutResultAtElement [Line: 58]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (15states, 303/768 universal loopers) in iteration 16,while PetriNetUnfolder was constructing finite prefix that currently has 101463 conditions, 17125 events (13022/17124 cut-off events. For 116373/116373 co-relation queries the response was YES. Maximal size of possible extension queue 1418. Compared 90195 event pairs, 2167 based on Foata normal form. 5/18549 useless extension candidates. Maximal degree in co-relation 101409. Up to 9239 conditions per place.). - TimeoutResultAtElement [Line: 77]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (15states, 303/768 universal loopers) in iteration 16,while PetriNetUnfolder was constructing finite prefix that currently has 101463 conditions, 17125 events (13022/17124 cut-off events. For 116373/116373 co-relation queries the response was YES. Maximal size of possible extension queue 1418. Compared 90195 event pairs, 2167 based on Foata normal form. 5/18549 useless extension candidates. Maximal degree in co-relation 101409. Up to 9239 conditions per place.). - TimeoutResultAtElement [Line: 78]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (15states, 303/768 universal loopers) in iteration 16,while PetriNetUnfolder was constructing finite prefix that currently has 101463 conditions, 17125 events (13022/17124 cut-off events. For 116373/116373 co-relation queries the response was YES. Maximal size of possible extension queue 1418. Compared 90195 event pairs, 2167 based on Foata normal form. 5/18549 useless extension candidates. Maximal degree in co-relation 101409. Up to 9239 conditions per place.). - TimeoutResultAtElement [Line: 79]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (15states, 303/768 universal loopers) in iteration 16,while PetriNetUnfolder was constructing finite prefix that currently has 101463 conditions, 17125 events (13022/17124 cut-off events. For 116373/116373 co-relation queries the response was YES. Maximal size of possible extension queue 1418. Compared 90195 event pairs, 2167 based on Foata normal form. 5/18549 useless extension candidates. Maximal degree in co-relation 101409. Up to 9239 conditions per place.). - TimeoutResultAtElement [Line: 80]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (15states, 303/768 universal loopers) in iteration 16,while PetriNetUnfolder was constructing finite prefix that currently has 101463 conditions, 17125 events (13022/17124 cut-off events. For 116373/116373 co-relation queries the response was YES. Maximal size of possible extension queue 1418. Compared 90195 event pairs, 2167 based on Foata normal form. 5/18549 useless extension candidates. Maximal degree in co-relation 101409. Up to 9239 conditions per place.). - TimeoutResultAtElement [Line: 81]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (15states, 303/768 universal loopers) in iteration 16,while PetriNetUnfolder was constructing finite prefix that currently has 101463 conditions, 17125 events (13022/17124 cut-off events. For 116373/116373 co-relation queries the response was YES. Maximal size of possible extension queue 1418. Compared 90195 event pairs, 2167 based on Foata normal form. 5/18549 useless extension candidates. Maximal degree in co-relation 101409. Up to 9239 conditions per place.). - TimeoutResultAtElement [Line: 84]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (15states, 303/768 universal loopers) in iteration 16,while PetriNetUnfolder was constructing finite prefix that currently has 101463 conditions, 17125 events (13022/17124 cut-off events. For 116373/116373 co-relation queries the response was YES. Maximal size of possible extension queue 1418. Compared 90195 event pairs, 2167 based on Foata normal form. 5/18549 useless extension candidates. Maximal degree in co-relation 101409. Up to 9239 conditions per place.). - TimeoutResultAtElement [Line: 84]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (15states, 303/768 universal loopers) in iteration 16,while PetriNetUnfolder was constructing finite prefix that currently has 101463 conditions, 17125 events (13022/17124 cut-off events. For 116373/116373 co-relation queries the response was YES. Maximal size of possible extension queue 1418. Compared 90195 event pairs, 2167 based on Foata normal form. 5/18549 useless extension candidates. Maximal degree in co-relation 101409. Up to 9239 conditions per place.). - TimeoutResultAtElement [Line: 84]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (15states, 303/768 universal loopers) in iteration 16,while PetriNetUnfolder was constructing finite prefix that currently has 101463 conditions, 17125 events (13022/17124 cut-off events. For 116373/116373 co-relation queries the response was YES. Maximal size of possible extension queue 1418. Compared 90195 event pairs, 2167 based on Foata normal form. 5/18549 useless extension candidates. Maximal degree in co-relation 101409. Up to 9239 conditions per place.). - TimeoutResultAtElement [Line: 84]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (15states, 303/768 universal loopers) in iteration 16,while PetriNetUnfolder was constructing finite prefix that currently has 101463 conditions, 17125 events (13022/17124 cut-off events. For 116373/116373 co-relation queries the response was YES. Maximal size of possible extension queue 1418. Compared 90195 event pairs, 2167 based on Foata normal form. 5/18549 useless extension candidates. Maximal degree in co-relation 101409. Up to 9239 conditions per place.). - TimeoutResultAtElement [Line: 84]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (15states, 303/768 universal loopers) in iteration 16,while PetriNetUnfolder was constructing finite prefix that currently has 101463 conditions, 17125 events (13022/17124 cut-off events. For 116373/116373 co-relation queries the response was YES. Maximal size of possible extension queue 1418. Compared 90195 event pairs, 2167 based on Foata normal form. 5/18549 useless extension candidates. Maximal degree in co-relation 101409. Up to 9239 conditions per place.). - TimeoutResultAtElement [Line: 84]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (15states, 303/768 universal loopers) in iteration 16,while PetriNetUnfolder was constructing finite prefix that currently has 101463 conditions, 17125 events (13022/17124 cut-off events. For 116373/116373 co-relation queries the response was YES. Maximal size of possible extension queue 1418. Compared 90195 event pairs, 2167 based on Foata normal form. 5/18549 useless extension candidates. Maximal degree in co-relation 101409. Up to 9239 conditions per place.). - TimeoutResultAtElement [Line: 90]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (15states, 303/768 universal loopers) in iteration 16,while PetriNetUnfolder was constructing finite prefix that currently has 101463 conditions, 17125 events (13022/17124 cut-off events. For 116373/116373 co-relation queries the response was YES. Maximal size of possible extension queue 1418. Compared 90195 event pairs, 2167 based on Foata normal form. 5/18549 useless extension candidates. Maximal degree in co-relation 101409. Up to 9239 conditions per place.). - TimeoutResultAtElement [Line: 91]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (15states, 303/768 universal loopers) in iteration 16,while PetriNetUnfolder was constructing finite prefix that currently has 101463 conditions, 17125 events (13022/17124 cut-off events. For 116373/116373 co-relation queries the response was YES. Maximal size of possible extension queue 1418. Compared 90195 event pairs, 2167 based on Foata normal form. 5/18549 useless extension candidates. Maximal degree in co-relation 101409. Up to 9239 conditions per place.). - TimeoutResultAtElement [Line: 92]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (15states, 303/768 universal loopers) in iteration 16,while PetriNetUnfolder was constructing finite prefix that currently has 101463 conditions, 17125 events (13022/17124 cut-off events. For 116373/116373 co-relation queries the response was YES. Maximal size of possible extension queue 1418. Compared 90195 event pairs, 2167 based on Foata normal form. 5/18549 useless extension candidates. Maximal degree in co-relation 101409. Up to 9239 conditions per place.). - TimeoutResultAtElement [Line: 93]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (15states, 303/768 universal loopers) in iteration 16,while PetriNetUnfolder was constructing finite prefix that currently has 101463 conditions, 17125 events (13022/17124 cut-off events. For 116373/116373 co-relation queries the response was YES. Maximal size of possible extension queue 1418. Compared 90195 event pairs, 2167 based on Foata normal form. 5/18549 useless extension candidates. Maximal degree in co-relation 101409. Up to 9239 conditions per place.). - TimeoutResultAtElement [Line: 95]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (15states, 303/768 universal loopers) in iteration 16,while PetriNetUnfolder was constructing finite prefix that currently has 101463 conditions, 17125 events (13022/17124 cut-off events. For 116373/116373 co-relation queries the response was YES. Maximal size of possible extension queue 1418. Compared 90195 event pairs, 2167 based on Foata normal form. 5/18549 useless extension candidates. Maximal degree in co-relation 101409. Up to 9239 conditions per place.). - TimeoutResultAtElement [Line: 95]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (15states, 303/768 universal loopers) in iteration 16,while PetriNetUnfolder was constructing finite prefix that currently has 101463 conditions, 17125 events (13022/17124 cut-off events. For 116373/116373 co-relation queries the response was YES. Maximal size of possible extension queue 1418. Compared 90195 event pairs, 2167 based on Foata normal form. 5/18549 useless extension candidates. Maximal degree in co-relation 101409. Up to 9239 conditions per place.). - TimeoutResultAtElement [Line: 95]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (15states, 303/768 universal loopers) in iteration 16,while PetriNetUnfolder was constructing finite prefix that currently has 101463 conditions, 17125 events (13022/17124 cut-off events. For 116373/116373 co-relation queries the response was YES. Maximal size of possible extension queue 1418. Compared 90195 event pairs, 2167 based on Foata normal form. 5/18549 useless extension candidates. Maximal degree in co-relation 101409. Up to 9239 conditions per place.). - TimeoutResultAtElement [Line: 95]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (15states, 303/768 universal loopers) in iteration 16,while PetriNetUnfolder was constructing finite prefix that currently has 101463 conditions, 17125 events (13022/17124 cut-off events. For 116373/116373 co-relation queries the response was YES. Maximal size of possible extension queue 1418. Compared 90195 event pairs, 2167 based on Foata normal form. 5/18549 useless extension candidates. Maximal degree in co-relation 101409. Up to 9239 conditions per place.). - TimeoutResultAtElement [Line: 86]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (15states, 303/768 universal loopers) in iteration 16,while PetriNetUnfolder was constructing finite prefix that currently has 101463 conditions, 17125 events (13022/17124 cut-off events. For 116373/116373 co-relation queries the response was YES. Maximal size of possible extension queue 1418. Compared 90195 event pairs, 2167 based on Foata normal form. 5/18549 useless extension candidates. Maximal degree in co-relation 101409. Up to 9239 conditions per place.). - TimeoutResultAtElement [Line: 87]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (15states, 303/768 universal loopers) in iteration 16,while PetriNetUnfolder was constructing finite prefix that currently has 101463 conditions, 17125 events (13022/17124 cut-off events. For 116373/116373 co-relation queries the response was YES. Maximal size of possible extension queue 1418. Compared 90195 event pairs, 2167 based on Foata normal form. 5/18549 useless extension candidates. Maximal degree in co-relation 101409. Up to 9239 conditions per place.). - TimeoutResultAtElement [Line: 89]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (15states, 303/768 universal loopers) in iteration 16,while PetriNetUnfolder was constructing finite prefix that currently has 101463 conditions, 17125 events (13022/17124 cut-off events. For 116373/116373 co-relation queries the response was YES. Maximal size of possible extension queue 1418. Compared 90195 event pairs, 2167 based on Foata normal form. 5/18549 useless extension candidates. Maximal degree in co-relation 101409. Up to 9239 conditions per place.). - TimeoutResultAtElement [Line: 88]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (15states, 303/768 universal loopers) in iteration 16,while PetriNetUnfolder was constructing finite prefix that currently has 101463 conditions, 17125 events (13022/17124 cut-off events. For 116373/116373 co-relation queries the response was YES. Maximal size of possible extension queue 1418. Compared 90195 event pairs, 2167 based on Foata normal form. 5/18549 useless extension candidates. Maximal degree in co-relation 101409. Up to 9239 conditions per place.). - TimeoutResultAtElement [Line: 65]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (15states, 303/768 universal loopers) in iteration 16,while PetriNetUnfolder was constructing finite prefix that currently has 101463 conditions, 17125 events (13022/17124 cut-off events. For 116373/116373 co-relation queries the response was YES. Maximal size of possible extension queue 1418. Compared 90195 event pairs, 2167 based on Foata normal form. 5/18549 useless extension candidates. Maximal degree in co-relation 101409. Up to 9239 conditions per place.). - TimeoutResultAtElement [Line: 65]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (15states, 303/768 universal loopers) in iteration 16,while PetriNetUnfolder was constructing finite prefix that currently has 101463 conditions, 17125 events (13022/17124 cut-off events. For 116373/116373 co-relation queries the response was YES. Maximal size of possible extension queue 1418. Compared 90195 event pairs, 2167 based on Foata normal form. 5/18549 useless extension candidates. Maximal degree in co-relation 101409. Up to 9239 conditions per place.). - TimeoutResultAtElement [Line: 66]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (15states, 303/768 universal loopers) in iteration 16,while PetriNetUnfolder was constructing finite prefix that currently has 101463 conditions, 17125 events (13022/17124 cut-off events. For 116373/116373 co-relation queries the response was YES. Maximal size of possible extension queue 1418. Compared 90195 event pairs, 2167 based on Foata normal form. 5/18549 useless extension candidates. Maximal degree in co-relation 101409. Up to 9239 conditions per place.). - TimeoutResultAtElement [Line: 66]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (15states, 303/768 universal loopers) in iteration 16,while PetriNetUnfolder was constructing finite prefix that currently has 101463 conditions, 17125 events (13022/17124 cut-off events. For 116373/116373 co-relation queries the response was YES. Maximal size of possible extension queue 1418. Compared 90195 event pairs, 2167 based on Foata normal form. 5/18549 useless extension candidates. Maximal degree in co-relation 101409. Up to 9239 conditions per place.). - TimeoutResultAtElement [Line: 66]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (15states, 303/768 universal loopers) in iteration 16,while PetriNetUnfolder was constructing finite prefix that currently has 101463 conditions, 17125 events (13022/17124 cut-off events. For 116373/116373 co-relation queries the response was YES. Maximal size of possible extension queue 1418. Compared 90195 event pairs, 2167 based on Foata normal form. 5/18549 useless extension candidates. Maximal degree in co-relation 101409. Up to 9239 conditions per place.). - TimeoutResultAtElement [Line: 67]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (15states, 303/768 universal loopers) in iteration 16,while PetriNetUnfolder was constructing finite prefix that currently has 101463 conditions, 17125 events (13022/17124 cut-off events. For 116373/116373 co-relation queries the response was YES. Maximal size of possible extension queue 1418. Compared 90195 event pairs, 2167 based on Foata normal form. 5/18549 useless extension candidates. Maximal degree in co-relation 101409. Up to 9239 conditions per place.). - TimeoutResultAtElement [Line: 67]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (15states, 303/768 universal loopers) in iteration 16,while PetriNetUnfolder was constructing finite prefix that currently has 101463 conditions, 17125 events (13022/17124 cut-off events. For 116373/116373 co-relation queries the response was YES. Maximal size of possible extension queue 1418. Compared 90195 event pairs, 2167 based on Foata normal form. 5/18549 useless extension candidates. Maximal degree in co-relation 101409. Up to 9239 conditions per place.). - TimeoutResultAtElement [Line: 67]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (15states, 303/768 universal loopers) in iteration 16,while PetriNetUnfolder was constructing finite prefix that currently has 101463 conditions, 17125 events (13022/17124 cut-off events. For 116373/116373 co-relation queries the response was YES. Maximal size of possible extension queue 1418. Compared 90195 event pairs, 2167 based on Foata normal form. 5/18549 useless extension candidates. Maximal degree in co-relation 101409. Up to 9239 conditions per place.). - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 9 procedures, 466 locations, 88 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: 858.9s, OverallIterations: 16, TraceHistogramMax: 3, PathProgramHistogramMax: 3, EmptinessCheckTime: 0.0s, AutomataDifference: 611.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 8.0s, HoareTripleCheckerStatistics: 143 mSolverCounterUnknown, 1247 SdHoareTripleChecker+Valid, 425.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1247 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 422.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 79 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4642 IncrementalHoareTripleChecker+Invalid, 4864 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 79 mSolverCounterUnsat, 0 mSDtfsCounter, 4642 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 143 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 586 GetRequests, 441 SyntacticMatches, 29 SemanticMatches, 116 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 446 ImplicationChecksByTransitivity, 280.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3255occurred in iteration=14, InterpolantAutomatonStates: 95, 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: 0.2s SsaConstructionTime, 63.6s SatisfiabilityAnalysisTime, 172.2s InterpolantComputationTime, 648 NumberOfCodeBlocks, 648 NumberOfCodeBlocksAsserted, 31 NumberOfCheckSat, 869 ConstructedInterpolants, 0 QuantifiedInterpolants, 29109 SizeOfPredicates, 24 NumberOfNonLiveVariables, 2619 ConjunctsInSsa, 73 ConjunctsInUnsatCore, 34 InterpolantComputations, 7 PerfectInterpolantSequences, 15/104 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 RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown