/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 -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/parallel-bakery-2.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-ac9dbd0-m [2023-08-25 05:24:31,456 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-08-25 05:24:31,520 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 [2023-08-25 05:24:31,524 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-08-25 05:24:31,524 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2023-08-25 05:24:31,552 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-25 05:24:31,552 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-25 05:24:31,552 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-25 05:24:31,553 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-25 05:24:31,556 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-08-25 05:24:31,556 INFO L153 SettingsManager]: * Use SBE=true [2023-08-25 05:24:31,556 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-25 05:24:31,556 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-25 05:24:31,557 INFO L153 SettingsManager]: * sizeof long=4 [2023-08-25 05:24:31,557 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-25 05:24:31,557 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-08-25 05:24:31,557 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-08-25 05:24:31,557 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-25 05:24:31,558 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-25 05:24:31,558 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-25 05:24:31,558 INFO L153 SettingsManager]: * sizeof long double=12 [2023-08-25 05:24:31,558 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-08-25 05:24:31,558 INFO L153 SettingsManager]: * Use constant arrays=true [2023-08-25 05:24:31,559 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-25 05:24:31,559 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-25 05:24:31,559 INFO L153 SettingsManager]: * To the following directory=./dump/ [2023-08-25 05:24:31,559 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-25 05:24:31,559 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-25 05:24:31,559 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-25 05:24:31,559 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-25 05:24:31,560 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-25 05:24:31,560 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-08-25 05:24:31,560 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-08-25 05:24:31,560 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-25 05:24:31,561 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-25 05:24:31,561 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of reach_error function -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of data races in concurrent programs -> true [2023-08-25 05:24:31,817 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-25 05:24:31,831 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-25 05:24:31,835 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-25 05:24:31,835 INFO L270 PluginConnector]: Initializing CDTParser... [2023-08-25 05:24:31,836 INFO L274 PluginConnector]: CDTParser initialized [2023-08-25 05:24:31,837 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/parallel-bakery-2.wvr.c [2023-08-25 05:24:32,797 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-08-25 05:24:33,017 INFO L384 CDTParser]: Found 1 translation units. [2023-08-25 05:24:33,017 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/parallel-bakery-2.wvr.c [2023-08-25 05:24:33,022 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dda8e3f1c/eb85e7a0a87a4245aa25c5e9292fc8b8/FLAG7d9ff00ce [2023-08-25 05:24:33,034 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dda8e3f1c/eb85e7a0a87a4245aa25c5e9292fc8b8 [2023-08-25 05:24:33,038 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-25 05:24:33,039 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-08-25 05:24:33,040 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-25 05:24:33,041 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-25 05:24:33,043 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-25 05:24:33,043 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.08 05:24:33" (1/1) ... [2023-08-25 05:24:33,044 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@73a0cb97 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 05:24:33, skipping insertion in model container [2023-08-25 05:24:33,044 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.08 05:24:33" (1/1) ... [2023-08-25 05:24:33,062 INFO L176 MainTranslator]: Built tables and reachable declarations [2023-08-25 05:24:33,215 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-25 05:24:33,221 INFO L201 MainTranslator]: Completed pre-run [2023-08-25 05:24:33,257 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-25 05:24:33,267 WARN L669 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-08-25 05:24:33,267 WARN L669 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-08-25 05:24:33,271 INFO L206 MainTranslator]: Completed translation [2023-08-25 05:24:33,272 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 05:24:33 WrapperNode [2023-08-25 05:24:33,272 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-25 05:24:33,273 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-25 05:24:33,273 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-25 05:24:33,273 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-25 05:24:33,277 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 05:24:33" (1/1) ... [2023-08-25 05:24:33,296 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 05:24:33" (1/1) ... [2023-08-25 05:24:33,327 INFO L138 Inliner]: procedures = 21, calls = 61, calls flagged for inlining = 9, calls inlined = 9, statements flattened = 355 [2023-08-25 05:24:33,328 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-25 05:24:33,328 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-25 05:24:33,328 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-25 05:24:33,328 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-08-25 05:24:33,338 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 05:24:33" (1/1) ... [2023-08-25 05:24:33,338 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 05:24:33" (1/1) ... [2023-08-25 05:24:33,345 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 05:24:33" (1/1) ... [2023-08-25 05:24:33,346 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 05:24:33" (1/1) ... [2023-08-25 05:24:33,353 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 05:24:33" (1/1) ... [2023-08-25 05:24:33,355 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 05:24:33" (1/1) ... [2023-08-25 05:24:33,356 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 05:24:33" (1/1) ... [2023-08-25 05:24:33,357 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 05:24:33" (1/1) ... [2023-08-25 05:24:33,358 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-25 05:24:33,359 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-25 05:24:33,359 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-08-25 05:24:33,359 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-08-25 05:24:33,359 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 05:24:33" (1/1) ... [2023-08-25 05:24:33,373 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-25 05:24:33,380 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-25 05:24:33,389 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) [2023-08-25 05:24:33,410 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 [2023-08-25 05:24:33,430 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-25 05:24:33,430 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-08-25 05:24:33,430 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-08-25 05:24:33,431 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-08-25 05:24:33,431 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-08-25 05:24:33,431 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-08-25 05:24:33,431 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-25 05:24:33,431 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-08-25 05:24:33,431 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-08-25 05:24:33,431 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-08-25 05:24:33,432 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-25 05:24:33,432 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-25 05:24:33,432 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-08-25 05:24:33,432 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-25 05:24:33,433 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-08-25 05:24:33,544 INFO L236 CfgBuilder]: Building ICFG [2023-08-25 05:24:33,546 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-25 05:24:33,823 INFO L277 CfgBuilder]: Performing block encoding [2023-08-25 05:24:33,960 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-25 05:24:33,961 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-08-25 05:24:33,963 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.08 05:24:33 BoogieIcfgContainer [2023-08-25 05:24:33,964 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-25 05:24:33,965 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-25 05:24:33,965 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-08-25 05:24:33,967 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-08-25 05:24:33,967 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.08 05:24:33" (1/3) ... [2023-08-25 05:24:33,968 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@52c47c50 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.08 05:24:33, skipping insertion in model container [2023-08-25 05:24:33,968 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 05:24:33" (2/3) ... [2023-08-25 05:24:33,968 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@52c47c50 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.08 05:24:33, skipping insertion in model container [2023-08-25 05:24:33,969 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.08 05:24:33" (3/3) ... [2023-08-25 05:24:33,969 INFO L112 eAbstractionObserver]: Analyzing ICFG parallel-bakery-2.wvr.c [2023-08-25 05:24:33,980 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-25 05:24:33,980 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 56 error locations. [2023-08-25 05:24:33,981 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-25 05:24:34,046 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-08-25 05:24:34,078 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 235 places, 234 transitions, 484 flow [2023-08-25 05:24:34,172 INFO L124 PetriNetUnfolderBase]: 6/232 cut-off events. [2023-08-25 05:24:34,173 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2023-08-25 05:24:34,178 INFO L83 FinitePrefix]: Finished finitePrefix Result has 241 conditions, 232 events. 6/232 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 315 event pairs, 0 based on Foata normal form. 0/170 useless extension candidates. Maximal degree in co-relation 162. Up to 2 conditions per place. [2023-08-25 05:24:34,178 INFO L82 GeneralOperation]: Start removeDead. Operand has 235 places, 234 transitions, 484 flow [2023-08-25 05:24:34,186 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 224 places, 223 transitions, 458 flow [2023-08-25 05:24:34,189 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-08-25 05:24:34,197 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 224 places, 223 transitions, 458 flow [2023-08-25 05:24:34,199 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 224 places, 223 transitions, 458 flow [2023-08-25 05:24:34,200 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 224 places, 223 transitions, 458 flow [2023-08-25 05:24:34,239 INFO L124 PetriNetUnfolderBase]: 6/223 cut-off events. [2023-08-25 05:24:34,240 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2023-08-25 05:24:34,240 INFO L83 FinitePrefix]: Finished finitePrefix Result has 232 conditions, 223 events. 6/223 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 314 event pairs, 0 based on Foata normal form. 0/162 useless extension candidates. Maximal degree in co-relation 162. Up to 2 conditions per place. [2023-08-25 05:24:34,243 INFO L119 LiptonReduction]: Number of co-enabled transitions 3968 [2023-08-25 05:24:39,449 INFO L134 LiptonReduction]: Checked pairs total: 41812 [2023-08-25 05:24:39,449 INFO L136 LiptonReduction]: Total number of compositions: 216 [2023-08-25 05:24:39,458 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-08-25 05:24:39,478 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;@333139d7, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-08-25 05:24:39,478 INFO L358 AbstractCegarLoop]: Starting to check reachability of 98 error locations. [2023-08-25 05:24:39,479 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-08-25 05:24:39,479 INFO L124 PetriNetUnfolderBase]: 0/0 cut-off events. [2023-08-25 05:24:39,479 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-08-25 05:24:39,479 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-25 05:24:39,480 INFO L208 CegarLoopForPetriNet]: trace histogram [1] [2023-08-25 05:24:39,480 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 94 more)] === [2023-08-25 05:24:39,483 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-25 05:24:39,483 INFO L85 PathProgramCache]: Analyzing trace with hash 1215, now seen corresponding path program 1 times [2023-08-25 05:24:39,489 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-25 05:24:39,489 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1824444893] [2023-08-25 05:24:39,490 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-25 05:24:39,490 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-25 05:24:39,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-25 05:24:39,553 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-25 05:24:39,553 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-25 05:24:39,553 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1824444893] [2023-08-25 05:24:39,554 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1824444893] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-25 05:24:39,554 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-25 05:24:39,554 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2023-08-25 05:24:39,555 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [65783722] [2023-08-25 05:24:39,555 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-25 05:24:39,560 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-08-25 05:24:39,563 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-25 05:24:39,574 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-08-25 05:24:39,574 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-08-25 05:24:39,575 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 169 out of 450 [2023-08-25 05:24:39,577 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 89 places, 82 transitions, 176 flow. Second operand has 2 states, 2 states have (on average 169.5) internal successors, (339), 2 states have internal predecessors, (339), 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) [2023-08-25 05:24:39,577 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-25 05:24:39,577 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 169 of 450 [2023-08-25 05:24:39,578 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-25 05:24:39,698 INFO L124 PetriNetUnfolderBase]: 297/540 cut-off events. [2023-08-25 05:24:39,698 INFO L125 PetriNetUnfolderBase]: For 24/24 co-relation queries the response was YES. [2023-08-25 05:24:39,699 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1117 conditions, 540 events. 297/540 cut-off events. For 24/24 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 1877 event pairs, 297 based on Foata normal form. 0/540 useless extension candidates. Maximal degree in co-relation 1016. Up to 541 conditions per place. [2023-08-25 05:24:39,702 INFO L140 encePairwiseOnDemand]: 395/450 looper letters, 27 selfloop transitions, 0 changer transitions 0/27 dead transitions. [2023-08-25 05:24:39,702 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 35 places, 27 transitions, 120 flow [2023-08-25 05:24:39,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-08-25 05:24:39,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2023-08-25 05:24:39,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 420 transitions. [2023-08-25 05:24:39,710 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4666666666666667 [2023-08-25 05:24:39,711 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 420 transitions. [2023-08-25 05:24:39,711 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 420 transitions. [2023-08-25 05:24:39,712 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-25 05:24:39,713 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 420 transitions. [2023-08-25 05:24:39,715 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 210.0) internal successors, (420), 2 states have internal predecessors, (420), 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) [2023-08-25 05:24:39,718 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 450.0) internal successors, (1350), 3 states have internal predecessors, (1350), 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) [2023-08-25 05:24:39,718 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 450.0) internal successors, (1350), 3 states have internal predecessors, (1350), 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) [2023-08-25 05:24:39,720 INFO L175 Difference]: Start difference. First operand has 89 places, 82 transitions, 176 flow. Second operand 2 states and 420 transitions. [2023-08-25 05:24:39,720 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 35 places, 27 transitions, 120 flow [2023-08-25 05:24:39,722 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 31 places, 27 transitions, 112 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-08-25 05:24:39,723 INFO L231 Difference]: Finished difference. Result has 31 places, 27 transitions, 58 flow [2023-08-25 05:24:39,724 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=450, PETRI_DIFFERENCE_MINUEND_FLOW=58, PETRI_DIFFERENCE_MINUEND_PLACES=30, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=27, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=27, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=58, PETRI_PLACES=31, PETRI_TRANSITIONS=27} [2023-08-25 05:24:39,726 INFO L281 CegarLoopForPetriNet]: 89 programPoint places, -58 predicate places. [2023-08-25 05:24:39,726 INFO L495 AbstractCegarLoop]: Abstraction has has 31 places, 27 transitions, 58 flow [2023-08-25 05:24:39,727 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 169.5) internal successors, (339), 2 states have internal predecessors, (339), 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) [2023-08-25 05:24:39,727 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-25 05:24:39,727 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, 1, 1] [2023-08-25 05:24:39,727 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-08-25 05:24:39,727 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONASSERT === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 94 more)] === [2023-08-25 05:24:39,728 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-25 05:24:39,728 INFO L85 PathProgramCache]: Analyzing trace with hash -740862574, now seen corresponding path program 1 times [2023-08-25 05:24:39,728 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-25 05:24:39,728 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1171413280] [2023-08-25 05:24:39,728 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-25 05:24:39,728 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-25 05:24:39,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-25 05:24:40,079 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-25 05:24:40,079 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-25 05:24:40,080 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1171413280] [2023-08-25 05:24:40,080 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1171413280] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-25 05:24:40,080 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-25 05:24:40,080 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-08-25 05:24:40,080 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1250145131] [2023-08-25 05:24:40,081 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-25 05:24:40,081 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-25 05:24:40,082 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-25 05:24:40,082 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-25 05:24:40,082 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-25 05:24:40,083 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 166 out of 450 [2023-08-25 05:24:40,084 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 31 places, 27 transitions, 58 flow. Second operand has 3 states, 3 states have (on average 175.0) internal successors, (525), 3 states have internal predecessors, (525), 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) [2023-08-25 05:24:40,084 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-25 05:24:40,084 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 166 of 450 [2023-08-25 05:24:40,084 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-25 05:24:40,181 INFO L124 PetriNetUnfolderBase]: 291/534 cut-off events. [2023-08-25 05:24:40,181 INFO L125 PetriNetUnfolderBase]: For 5/5 co-relation queries the response was YES. [2023-08-25 05:24:40,183 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1082 conditions, 534 events. 291/534 cut-off events. For 5/5 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 1952 event pairs, 207 based on Foata normal form. 6/540 useless extension candidates. Maximal degree in co-relation 1079. Up to 385 conditions per place. [2023-08-25 05:24:40,185 INFO L140 encePairwiseOnDemand]: 447/450 looper letters, 36 selfloop transitions, 2 changer transitions 0/38 dead transitions. [2023-08-25 05:24:40,186 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 33 places, 38 transitions, 157 flow [2023-08-25 05:24:40,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-25 05:24:40,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-25 05:24:40,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 537 transitions. [2023-08-25 05:24:40,189 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.3977777777777778 [2023-08-25 05:24:40,189 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 537 transitions. [2023-08-25 05:24:40,189 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 537 transitions. [2023-08-25 05:24:40,190 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-25 05:24:40,190 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 537 transitions. [2023-08-25 05:24:40,192 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 179.0) internal successors, (537), 3 states have internal predecessors, (537), 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) [2023-08-25 05:24:40,196 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 450.0) internal successors, (1800), 4 states have internal predecessors, (1800), 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) [2023-08-25 05:24:40,197 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 450.0) internal successors, (1800), 4 states have internal predecessors, (1800), 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) [2023-08-25 05:24:40,197 INFO L175 Difference]: Start difference. First operand has 31 places, 27 transitions, 58 flow. Second operand 3 states and 537 transitions. [2023-08-25 05:24:40,197 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 33 places, 38 transitions, 157 flow [2023-08-25 05:24:40,197 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 33 places, 38 transitions, 157 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-25 05:24:40,198 INFO L231 Difference]: Finished difference. Result has 34 places, 27 transitions, 66 flow [2023-08-25 05:24:40,198 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=450, PETRI_DIFFERENCE_MINUEND_FLOW=58, PETRI_DIFFERENCE_MINUEND_PLACES=31, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=27, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=25, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=66, PETRI_PLACES=34, PETRI_TRANSITIONS=27} [2023-08-25 05:24:40,199 INFO L281 CegarLoopForPetriNet]: 89 programPoint places, -55 predicate places. [2023-08-25 05:24:40,199 INFO L495 AbstractCegarLoop]: Abstraction has has 34 places, 27 transitions, 66 flow [2023-08-25 05:24:40,200 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 175.0) internal successors, (525), 3 states have internal predecessors, (525), 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) [2023-08-25 05:24:40,200 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-25 05:24:40,200 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, 1, 1] [2023-08-25 05:24:40,200 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-08-25 05:24:40,203 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONASSERT === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 94 more)] === [2023-08-25 05:24:40,205 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-25 05:24:40,206 INFO L85 PathProgramCache]: Analyzing trace with hash -901708380, now seen corresponding path program 2 times [2023-08-25 05:24:40,210 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-25 05:24:40,211 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1937014722] [2023-08-25 05:24:40,211 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-25 05:24:40,211 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-25 05:24:40,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-25 05:24:40,556 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-25 05:24:40,557 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-25 05:24:40,557 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1937014722] [2023-08-25 05:24:40,557 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1937014722] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-25 05:24:40,557 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-25 05:24:40,557 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-08-25 05:24:40,557 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1093643810] [2023-08-25 05:24:40,557 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-25 05:24:40,557 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-08-25 05:24:40,558 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-25 05:24:40,558 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-08-25 05:24:40,558 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-08-25 05:24:40,559 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 163 out of 450 [2023-08-25 05:24:40,560 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 34 places, 27 transitions, 66 flow. Second operand has 5 states, 5 states have (on average 168.4) internal successors, (842), 5 states have internal predecessors, (842), 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) [2023-08-25 05:24:40,560 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-25 05:24:40,560 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 163 of 450 [2023-08-25 05:24:40,560 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-25 05:24:40,684 INFO L124 PetriNetUnfolderBase]: 390/711 cut-off events. [2023-08-25 05:24:40,685 INFO L125 PetriNetUnfolderBase]: For 82/82 co-relation queries the response was YES. [2023-08-25 05:24:40,685 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1542 conditions, 711 events. 390/711 cut-off events. For 82/82 co-relation queries the response was YES. Maximal size of possible extension queue 33. Compared 2840 event pairs, 117 based on Foata normal form. 14/725 useless extension candidates. Maximal degree in co-relation 1537. Up to 426 conditions per place. [2023-08-25 05:24:40,687 INFO L140 encePairwiseOnDemand]: 443/450 looper letters, 48 selfloop transitions, 9 changer transitions 0/57 dead transitions. [2023-08-25 05:24:40,687 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 38 places, 57 transitions, 252 flow [2023-08-25 05:24:40,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-08-25 05:24:40,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2023-08-25 05:24:40,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 873 transitions. [2023-08-25 05:24:40,689 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.388 [2023-08-25 05:24:40,689 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 873 transitions. [2023-08-25 05:24:40,689 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 873 transitions. [2023-08-25 05:24:40,690 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-25 05:24:40,690 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 873 transitions. [2023-08-25 05:24:40,691 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 174.6) internal successors, (873), 5 states have internal predecessors, (873), 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) [2023-08-25 05:24:40,693 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 450.0) internal successors, (2700), 6 states have internal predecessors, (2700), 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) [2023-08-25 05:24:40,694 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 450.0) internal successors, (2700), 6 states have internal predecessors, (2700), 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) [2023-08-25 05:24:40,694 INFO L175 Difference]: Start difference. First operand has 34 places, 27 transitions, 66 flow. Second operand 5 states and 873 transitions. [2023-08-25 05:24:40,694 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 38 places, 57 transitions, 252 flow [2023-08-25 05:24:40,695 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 36 places, 57 transitions, 242 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-08-25 05:24:40,696 INFO L231 Difference]: Finished difference. Result has 39 places, 35 transitions, 121 flow [2023-08-25 05:24:40,696 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=450, PETRI_DIFFERENCE_MINUEND_FLOW=62, PETRI_DIFFERENCE_MINUEND_PLACES=32, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=27, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=21, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=121, PETRI_PLACES=39, PETRI_TRANSITIONS=35} [2023-08-25 05:24:40,697 INFO L281 CegarLoopForPetriNet]: 89 programPoint places, -50 predicate places. [2023-08-25 05:24:40,697 INFO L495 AbstractCegarLoop]: Abstraction has has 39 places, 35 transitions, 121 flow [2023-08-25 05:24:40,697 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 168.4) internal successors, (842), 5 states have internal predecessors, (842), 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) [2023-08-25 05:24:40,697 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-25 05:24:40,697 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, 1, 1] [2023-08-25 05:24:40,697 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-08-25 05:24:40,698 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONASSERT === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 94 more)] === [2023-08-25 05:24:40,698 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-25 05:24:40,698 INFO L85 PathProgramCache]: Analyzing trace with hash -1178450364, now seen corresponding path program 3 times [2023-08-25 05:24:40,698 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-25 05:24:40,698 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1749907902] [2023-08-25 05:24:40,698 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-25 05:24:40,698 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-25 05:24:40,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-25 05:24:40,801 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-25 05:24:40,802 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-25 05:24:40,802 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1749907902] [2023-08-25 05:24:40,802 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1749907902] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-25 05:24:40,802 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-25 05:24:40,802 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-25 05:24:40,802 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1858543543] [2023-08-25 05:24:40,802 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-25 05:24:40,803 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-08-25 05:24:40,803 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-25 05:24:40,803 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-08-25 05:24:40,803 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-08-25 05:24:40,804 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 161 out of 450 [2023-08-25 05:24:40,805 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 39 places, 35 transitions, 121 flow. Second operand has 7 states, 7 states have (on average 164.85714285714286) internal successors, (1154), 7 states have internal predecessors, (1154), 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) [2023-08-25 05:24:40,805 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-25 05:24:40,805 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 161 of 450 [2023-08-25 05:24:40,805 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-25 05:24:41,012 INFO L124 PetriNetUnfolderBase]: 433/815 cut-off events. [2023-08-25 05:24:41,012 INFO L125 PetriNetUnfolderBase]: For 176/176 co-relation queries the response was YES. [2023-08-25 05:24:41,013 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2022 conditions, 815 events. 433/815 cut-off events. For 176/176 co-relation queries the response was YES. Maximal size of possible extension queue 32. Compared 3368 event pairs, 182 based on Foata normal form. 1/816 useless extension candidates. Maximal degree in co-relation 2014. Up to 349 conditions per place. [2023-08-25 05:24:41,015 INFO L140 encePairwiseOnDemand]: 444/450 looper letters, 67 selfloop transitions, 7 changer transitions 24/98 dead transitions. [2023-08-25 05:24:41,015 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 46 places, 98 transitions, 522 flow [2023-08-25 05:24:41,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-08-25 05:24:41,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2023-08-25 05:24:41,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 1368 transitions. [2023-08-25 05:24:41,018 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.38 [2023-08-25 05:24:41,018 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 1368 transitions. [2023-08-25 05:24:41,018 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 1368 transitions. [2023-08-25 05:24:41,019 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-25 05:24:41,019 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 1368 transitions. [2023-08-25 05:24:41,021 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 171.0) internal successors, (1368), 8 states have internal predecessors, (1368), 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) [2023-08-25 05:24:41,025 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 450.0) internal successors, (4050), 9 states have internal predecessors, (4050), 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) [2023-08-25 05:24:41,026 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 450.0) internal successors, (4050), 9 states have internal predecessors, (4050), 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) [2023-08-25 05:24:41,026 INFO L175 Difference]: Start difference. First operand has 39 places, 35 transitions, 121 flow. Second operand 8 states and 1368 transitions. [2023-08-25 05:24:41,026 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 46 places, 98 transitions, 522 flow [2023-08-25 05:24:41,027 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 46 places, 98 transitions, 522 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-25 05:24:41,028 INFO L231 Difference]: Finished difference. Result has 49 places, 38 transitions, 149 flow [2023-08-25 05:24:41,028 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=450, PETRI_DIFFERENCE_MINUEND_FLOW=121, PETRI_DIFFERENCE_MINUEND_PLACES=39, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=35, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=31, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=149, PETRI_PLACES=49, PETRI_TRANSITIONS=38} [2023-08-25 05:24:41,029 INFO L281 CegarLoopForPetriNet]: 89 programPoint places, -40 predicate places. [2023-08-25 05:24:41,029 INFO L495 AbstractCegarLoop]: Abstraction has has 49 places, 38 transitions, 149 flow [2023-08-25 05:24:41,030 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 164.85714285714286) internal successors, (1154), 7 states have internal predecessors, (1154), 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) [2023-08-25 05:24:41,030 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-25 05:24:41,030 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, 1, 1] [2023-08-25 05:24:41,030 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-08-25 05:24:41,030 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONASSERT === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 94 more)] === [2023-08-25 05:24:41,030 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-25 05:24:41,030 INFO L85 PathProgramCache]: Analyzing trace with hash 1678463546, now seen corresponding path program 4 times [2023-08-25 05:24:41,030 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-25 05:24:41,031 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [840203325] [2023-08-25 05:24:41,031 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-25 05:24:41,031 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-25 05:24:41,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-25 05:24:41,207 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-25 05:24:41,208 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-25 05:24:41,208 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [840203325] [2023-08-25 05:24:41,208 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [840203325] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-25 05:24:41,208 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-25 05:24:41,208 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-25 05:24:41,208 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [373208024] [2023-08-25 05:24:41,208 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-25 05:24:41,208 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-25 05:24:41,209 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-25 05:24:41,209 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-25 05:24:41,209 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-08-25 05:24:41,210 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 163 out of 450 [2023-08-25 05:24:41,211 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 49 places, 38 transitions, 149 flow. Second operand has 6 states, 6 states have (on average 167.5) internal successors, (1005), 6 states have internal predecessors, (1005), 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) [2023-08-25 05:24:41,211 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-25 05:24:41,211 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 163 of 450 [2023-08-25 05:24:41,211 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-25 05:24:41,369 INFO L124 PetriNetUnfolderBase]: 435/826 cut-off events. [2023-08-25 05:24:41,370 INFO L125 PetriNetUnfolderBase]: For 256/256 co-relation queries the response was YES. [2023-08-25 05:24:41,371 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2234 conditions, 826 events. 435/826 cut-off events. For 256/256 co-relation queries the response was YES. Maximal size of possible extension queue 36. Compared 3512 event pairs, 129 based on Foata normal form. 12/838 useless extension candidates. Maximal degree in co-relation 2222. Up to 573 conditions per place. [2023-08-25 05:24:41,373 INFO L140 encePairwiseOnDemand]: 444/450 looper letters, 61 selfloop transitions, 10 changer transitions 0/71 dead transitions. [2023-08-25 05:24:41,373 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 52 places, 71 transitions, 392 flow [2023-08-25 05:24:41,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-25 05:24:41,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-25 05:24:41,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1041 transitions. [2023-08-25 05:24:41,376 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.38555555555555554 [2023-08-25 05:24:41,376 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1041 transitions. [2023-08-25 05:24:41,376 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1041 transitions. [2023-08-25 05:24:41,376 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-25 05:24:41,376 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1041 transitions. [2023-08-25 05:24:41,378 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 173.5) internal successors, (1041), 6 states have internal predecessors, (1041), 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) [2023-08-25 05:24:41,382 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 450.0) internal successors, (3150), 7 states have internal predecessors, (3150), 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) [2023-08-25 05:24:41,382 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 450.0) internal successors, (3150), 7 states have internal predecessors, (3150), 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) [2023-08-25 05:24:41,382 INFO L175 Difference]: Start difference. First operand has 49 places, 38 transitions, 149 flow. Second operand 6 states and 1041 transitions. [2023-08-25 05:24:41,383 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 52 places, 71 transitions, 392 flow [2023-08-25 05:24:41,385 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 51 places, 71 transitions, 390 flow, removed 1 selfloop flow, removed 1 redundant places. [2023-08-25 05:24:41,387 INFO L231 Difference]: Finished difference. Result has 53 places, 45 transitions, 207 flow [2023-08-25 05:24:41,387 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=450, PETRI_DIFFERENCE_MINUEND_FLOW=147, PETRI_DIFFERENCE_MINUEND_PLACES=46, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=38, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=32, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=207, PETRI_PLACES=53, PETRI_TRANSITIONS=45} [2023-08-25 05:24:41,388 INFO L281 CegarLoopForPetriNet]: 89 programPoint places, -36 predicate places. [2023-08-25 05:24:41,389 INFO L495 AbstractCegarLoop]: Abstraction has has 53 places, 45 transitions, 207 flow [2023-08-25 05:24:41,389 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 167.5) internal successors, (1005), 6 states have internal predecessors, (1005), 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) [2023-08-25 05:24:41,389 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-25 05:24:41,389 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, 1, 1] [2023-08-25 05:24:41,389 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-08-25 05:24:41,389 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONASSERT === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 94 more)] === [2023-08-25 05:24:41,390 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-25 05:24:41,390 INFO L85 PathProgramCache]: Analyzing trace with hash -68542604, now seen corresponding path program 5 times [2023-08-25 05:24:41,390 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-25 05:24:41,390 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [351737571] [2023-08-25 05:24:41,390 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-25 05:24:41,390 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-25 05:24:41,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-25 05:24:41,535 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-25 05:24:41,536 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-25 05:24:41,536 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [351737571] [2023-08-25 05:24:41,536 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [351737571] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-25 05:24:41,536 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-25 05:24:41,536 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-25 05:24:41,536 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [235657405] [2023-08-25 05:24:41,536 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-25 05:24:41,536 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-08-25 05:24:41,537 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-25 05:24:41,537 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-08-25 05:24:41,537 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-08-25 05:24:41,538 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 161 out of 450 [2023-08-25 05:24:41,539 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 53 places, 45 transitions, 207 flow. Second operand has 7 states, 7 states have (on average 164.85714285714286) internal successors, (1154), 7 states have internal predecessors, (1154), 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) [2023-08-25 05:24:41,539 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-25 05:24:41,539 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 161 of 450 [2023-08-25 05:24:41,539 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-25 05:24:41,763 INFO L124 PetriNetUnfolderBase]: 435/825 cut-off events. [2023-08-25 05:24:41,763 INFO L125 PetriNetUnfolderBase]: For 384/384 co-relation queries the response was YES. [2023-08-25 05:24:41,764 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2378 conditions, 825 events. 435/825 cut-off events. For 384/384 co-relation queries the response was YES. Maximal size of possible extension queue 35. Compared 3522 event pairs, 196 based on Foata normal form. 1/826 useless extension candidates. Maximal degree in co-relation 2364. Up to 401 conditions per place. [2023-08-25 05:24:41,766 INFO L140 encePairwiseOnDemand]: 444/450 looper letters, 43 selfloop transitions, 6 changer transitions 49/98 dead transitions. [2023-08-25 05:24:41,766 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 60 places, 98 transitions, 601 flow [2023-08-25 05:24:41,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-08-25 05:24:41,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2023-08-25 05:24:41,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 1365 transitions. [2023-08-25 05:24:41,769 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.37916666666666665 [2023-08-25 05:24:41,769 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 1365 transitions. [2023-08-25 05:24:41,769 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 1365 transitions. [2023-08-25 05:24:41,769 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-25 05:24:41,770 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 1365 transitions. [2023-08-25 05:24:41,771 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 170.625) internal successors, (1365), 8 states have internal predecessors, (1365), 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) [2023-08-25 05:24:41,774 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 450.0) internal successors, (4050), 9 states have internal predecessors, (4050), 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) [2023-08-25 05:24:41,775 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 450.0) internal successors, (4050), 9 states have internal predecessors, (4050), 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) [2023-08-25 05:24:41,775 INFO L175 Difference]: Start difference. First operand has 53 places, 45 transitions, 207 flow. Second operand 8 states and 1365 transitions. [2023-08-25 05:24:41,775 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 60 places, 98 transitions, 601 flow [2023-08-25 05:24:41,778 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 60 places, 98 transitions, 585 flow, removed 8 selfloop flow, removed 0 redundant places. [2023-08-25 05:24:41,779 INFO L231 Difference]: Finished difference. Result has 61 places, 35 transitions, 162 flow [2023-08-25 05:24:41,779 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=450, PETRI_DIFFERENCE_MINUEND_FLOW=195, PETRI_DIFFERENCE_MINUEND_PLACES=53, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=45, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=39, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=162, PETRI_PLACES=61, PETRI_TRANSITIONS=35} [2023-08-25 05:24:41,781 INFO L281 CegarLoopForPetriNet]: 89 programPoint places, -28 predicate places. [2023-08-25 05:24:41,783 INFO L495 AbstractCegarLoop]: Abstraction has has 61 places, 35 transitions, 162 flow [2023-08-25 05:24:41,784 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 164.85714285714286) internal successors, (1154), 7 states have internal predecessors, (1154), 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) [2023-08-25 05:24:41,784 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-25 05:24:41,784 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, 1, 1] [2023-08-25 05:24:41,784 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-08-25 05:24:41,784 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONASSERT === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 94 more)] === [2023-08-25 05:24:41,784 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-25 05:24:41,784 INFO L85 PathProgramCache]: Analyzing trace with hash 2029748688, now seen corresponding path program 6 times [2023-08-25 05:24:41,785 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-25 05:24:41,785 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [881941735] [2023-08-25 05:24:41,785 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-25 05:24:41,785 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-25 05:24:41,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-25 05:24:42,045 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-25 05:24:42,046 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-25 05:24:42,046 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [881941735] [2023-08-25 05:24:42,046 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [881941735] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-25 05:24:42,046 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-25 05:24:42,046 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-08-25 05:24:42,046 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2029133297] [2023-08-25 05:24:42,047 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-25 05:24:42,047 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-08-25 05:24:42,047 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-25 05:24:42,047 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-08-25 05:24:42,047 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-08-25 05:24:42,048 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 163 out of 450 [2023-08-25 05:24:42,048 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 61 places, 35 transitions, 162 flow. Second operand has 5 states, 5 states have (on average 168.4) internal successors, (842), 5 states have internal predecessors, (842), 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) [2023-08-25 05:24:42,049 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-25 05:24:42,049 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 163 of 450 [2023-08-25 05:24:42,049 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-25 05:24:42,137 INFO L124 PetriNetUnfolderBase]: 254/511 cut-off events. [2023-08-25 05:24:42,137 INFO L125 PetriNetUnfolderBase]: For 292/292 co-relation queries the response was YES. [2023-08-25 05:24:42,138 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1469 conditions, 511 events. 254/511 cut-off events. For 292/292 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 1941 event pairs, 104 based on Foata normal form. 10/521 useless extension candidates. Maximal degree in co-relation 1453. Up to 355 conditions per place. [2023-08-25 05:24:42,139 INFO L140 encePairwiseOnDemand]: 446/450 looper letters, 33 selfloop transitions, 2 changer transitions 17/52 dead transitions. [2023-08-25 05:24:42,139 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 61 places, 52 transitions, 315 flow [2023-08-25 05:24:42,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-08-25 05:24:42,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2023-08-25 05:24:42,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 863 transitions. [2023-08-25 05:24:42,142 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.38355555555555554 [2023-08-25 05:24:42,142 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 863 transitions. [2023-08-25 05:24:42,142 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 863 transitions. [2023-08-25 05:24:42,142 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-25 05:24:42,142 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 863 transitions. [2023-08-25 05:24:42,144 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 172.6) internal successors, (863), 5 states have internal predecessors, (863), 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) [2023-08-25 05:24:42,146 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 450.0) internal successors, (2700), 6 states have internal predecessors, (2700), 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) [2023-08-25 05:24:42,146 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 450.0) internal successors, (2700), 6 states have internal predecessors, (2700), 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) [2023-08-25 05:24:42,146 INFO L175 Difference]: Start difference. First operand has 61 places, 35 transitions, 162 flow. Second operand 5 states and 863 transitions. [2023-08-25 05:24:42,146 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 61 places, 52 transitions, 315 flow [2023-08-25 05:24:42,148 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 48 places, 52 transitions, 275 flow, removed 6 selfloop flow, removed 13 redundant places. [2023-08-25 05:24:42,148 INFO L231 Difference]: Finished difference. Result has 49 places, 33 transitions, 124 flow [2023-08-25 05:24:42,149 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=450, PETRI_DIFFERENCE_MINUEND_FLOW=128, PETRI_DIFFERENCE_MINUEND_PLACES=44, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=35, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=33, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=124, PETRI_PLACES=49, PETRI_TRANSITIONS=33} [2023-08-25 05:24:42,149 INFO L281 CegarLoopForPetriNet]: 89 programPoint places, -40 predicate places. [2023-08-25 05:24:42,149 INFO L495 AbstractCegarLoop]: Abstraction has has 49 places, 33 transitions, 124 flow [2023-08-25 05:24:42,150 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 168.4) internal successors, (842), 5 states have internal predecessors, (842), 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) [2023-08-25 05:24:42,150 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-25 05:24:42,150 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, 1, 1] [2023-08-25 05:24:42,150 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-08-25 05:24:42,150 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONASSERT === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 94 more)] === [2023-08-25 05:24:42,150 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-25 05:24:42,150 INFO L85 PathProgramCache]: Analyzing trace with hash -1990099226, now seen corresponding path program 7 times [2023-08-25 05:24:42,151 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-25 05:24:42,151 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [661593414] [2023-08-25 05:24:42,151 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-25 05:24:42,151 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-25 05:24:42,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-25 05:24:42,215 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-25 05:24:42,216 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-25 05:24:42,216 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [661593414] [2023-08-25 05:24:42,216 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [661593414] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-25 05:24:42,216 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-25 05:24:42,216 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-08-25 05:24:42,216 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1541610397] [2023-08-25 05:24:42,216 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-25 05:24:42,216 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-25 05:24:42,217 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-25 05:24:42,217 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-25 05:24:42,217 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-25 05:24:42,217 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 166 out of 450 [2023-08-25 05:24:42,218 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 49 places, 33 transitions, 124 flow. Second operand has 3 states, 3 states have (on average 175.0) internal successors, (525), 3 states have internal predecessors, (525), 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) [2023-08-25 05:24:42,218 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-25 05:24:42,218 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 166 of 450 [2023-08-25 05:24:42,218 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-25 05:24:42,269 INFO L124 PetriNetUnfolderBase]: 150/313 cut-off events. [2023-08-25 05:24:42,269 INFO L125 PetriNetUnfolderBase]: For 113/113 co-relation queries the response was YES. [2023-08-25 05:24:42,269 INFO L83 FinitePrefix]: Finished finitePrefix Result has 838 conditions, 313 events. 150/313 cut-off events. For 113/113 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 1030 event pairs, 93 based on Foata normal form. 10/323 useless extension candidates. Maximal degree in co-relation 828. Up to 203 conditions per place. [2023-08-25 05:24:42,270 INFO L140 encePairwiseOnDemand]: 447/450 looper letters, 36 selfloop transitions, 2 changer transitions 2/40 dead transitions. [2023-08-25 05:24:42,270 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 48 places, 40 transitions, 227 flow [2023-08-25 05:24:42,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-25 05:24:42,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-25 05:24:42,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 535 transitions. [2023-08-25 05:24:42,272 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.3962962962962963 [2023-08-25 05:24:42,272 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 535 transitions. [2023-08-25 05:24:42,272 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 535 transitions. [2023-08-25 05:24:42,272 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-25 05:24:42,272 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 535 transitions. [2023-08-25 05:24:42,273 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 178.33333333333334) internal successors, (535), 3 states have internal predecessors, (535), 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) [2023-08-25 05:24:42,274 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 450.0) internal successors, (1800), 4 states have internal predecessors, (1800), 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) [2023-08-25 05:24:42,274 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 450.0) internal successors, (1800), 4 states have internal predecessors, (1800), 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) [2023-08-25 05:24:42,275 INFO L175 Difference]: Start difference. First operand has 49 places, 33 transitions, 124 flow. Second operand 3 states and 535 transitions. [2023-08-25 05:24:42,275 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 48 places, 40 transitions, 227 flow [2023-08-25 05:24:42,275 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 42 places, 40 transitions, 204 flow, removed 6 selfloop flow, removed 6 redundant places. [2023-08-25 05:24:42,276 INFO L231 Difference]: Finished difference. Result has 43 places, 29 transitions, 96 flow [2023-08-25 05:24:42,276 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=450, PETRI_DIFFERENCE_MINUEND_FLOW=98, PETRI_DIFFERENCE_MINUEND_PLACES=40, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=31, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=29, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=96, PETRI_PLACES=43, PETRI_TRANSITIONS=29} [2023-08-25 05:24:42,277 INFO L281 CegarLoopForPetriNet]: 89 programPoint places, -46 predicate places. [2023-08-25 05:24:42,277 INFO L495 AbstractCegarLoop]: Abstraction has has 43 places, 29 transitions, 96 flow [2023-08-25 05:24:42,277 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 175.0) internal successors, (525), 3 states have internal predecessors, (525), 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) [2023-08-25 05:24:42,277 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-25 05:24:42,277 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, 1, 1] [2023-08-25 05:24:42,278 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-08-25 05:24:42,278 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONASSERT === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 94 more)] === [2023-08-25 05:24:42,278 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-25 05:24:42,278 INFO L85 PathProgramCache]: Analyzing trace with hash 1248249382, now seen corresponding path program 8 times [2023-08-25 05:24:42,278 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-25 05:24:42,278 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [751734075] [2023-08-25 05:24:42,278 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-25 05:24:42,278 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-25 05:24:42,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-25 05:24:42,458 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-25 05:24:42,458 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-25 05:24:42,458 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [751734075] [2023-08-25 05:24:42,458 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [751734075] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-25 05:24:42,458 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-25 05:24:42,458 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-25 05:24:42,458 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1660835167] [2023-08-25 05:24:42,458 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-25 05:24:42,458 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-25 05:24:42,459 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-25 05:24:42,459 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-25 05:24:42,459 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-08-25 05:24:42,460 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 163 out of 450 [2023-08-25 05:24:42,460 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 43 places, 29 transitions, 96 flow. Second operand has 6 states, 6 states have (on average 167.5) internal successors, (1005), 6 states have internal predecessors, (1005), 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) [2023-08-25 05:24:42,460 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-25 05:24:42,460 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 163 of 450 [2023-08-25 05:24:42,460 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-25 05:24:42,509 INFO L124 PetriNetUnfolderBase]: 72/147 cut-off events. [2023-08-25 05:24:42,510 INFO L125 PetriNetUnfolderBase]: For 78/78 co-relation queries the response was YES. [2023-08-25 05:24:42,510 INFO L83 FinitePrefix]: Finished finitePrefix Result has 423 conditions, 147 events. 72/147 cut-off events. For 78/78 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 381 event pairs, 21 based on Foata normal form. 8/155 useless extension candidates. Maximal degree in co-relation 415. Up to 62 conditions per place. [2023-08-25 05:24:42,510 INFO L140 encePairwiseOnDemand]: 445/450 looper letters, 0 selfloop transitions, 0 changer transitions 27/27 dead transitions. [2023-08-25 05:24:42,510 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 35 places, 27 transitions, 144 flow [2023-08-25 05:24:42,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-25 05:24:42,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-25 05:24:42,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1006 transitions. [2023-08-25 05:24:42,512 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.3725925925925926 [2023-08-25 05:24:42,512 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1006 transitions. [2023-08-25 05:24:42,512 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1006 transitions. [2023-08-25 05:24:42,513 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-25 05:24:42,513 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1006 transitions. [2023-08-25 05:24:42,514 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 167.66666666666666) internal successors, (1006), 6 states have internal predecessors, (1006), 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) [2023-08-25 05:24:42,516 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 450.0) internal successors, (3150), 7 states have internal predecessors, (3150), 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) [2023-08-25 05:24:42,517 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 450.0) internal successors, (3150), 7 states have internal predecessors, (3150), 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) [2023-08-25 05:24:42,517 INFO L175 Difference]: Start difference. First operand has 43 places, 29 transitions, 96 flow. Second operand 6 states and 1006 transitions. [2023-08-25 05:24:42,517 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 35 places, 27 transitions, 144 flow [2023-08-25 05:24:42,517 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 31 places, 27 transitions, 134 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-08-25 05:24:42,518 INFO L231 Difference]: Finished difference. Result has 31 places, 0 transitions, 0 flow [2023-08-25 05:24:42,518 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=450, PETRI_DIFFERENCE_MINUEND_FLOW=51, PETRI_DIFFERENCE_MINUEND_PLACES=26, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=17, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=17, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=0, PETRI_PLACES=31, PETRI_TRANSITIONS=0} [2023-08-25 05:24:42,518 INFO L281 CegarLoopForPetriNet]: 89 programPoint places, -58 predicate places. [2023-08-25 05:24:42,518 INFO L495 AbstractCegarLoop]: Abstraction has has 31 places, 0 transitions, 0 flow [2023-08-25 05:24:42,519 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 167.5) internal successors, (1005), 6 states have internal predecessors, (1005), 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) [2023-08-25 05:24:42,520 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (97 of 98 remaining) [2023-08-25 05:24:42,521 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (96 of 98 remaining) [2023-08-25 05:24:42,521 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (95 of 98 remaining) [2023-08-25 05:24:42,521 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (94 of 98 remaining) [2023-08-25 05:24:42,521 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (93 of 98 remaining) [2023-08-25 05:24:42,521 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (92 of 98 remaining) [2023-08-25 05:24:42,521 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (91 of 98 remaining) [2023-08-25 05:24:42,521 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (90 of 98 remaining) [2023-08-25 05:24:42,521 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (89 of 98 remaining) [2023-08-25 05:24:42,521 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (88 of 98 remaining) [2023-08-25 05:24:42,521 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (87 of 98 remaining) [2023-08-25 05:24:42,521 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err11ASSERT_VIOLATIONDATA_RACE (86 of 98 remaining) [2023-08-25 05:24:42,522 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err12ASSERT_VIOLATIONDATA_RACE (85 of 98 remaining) [2023-08-25 05:24:42,522 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err13ASSERT_VIOLATIONDATA_RACE (84 of 98 remaining) [2023-08-25 05:24:42,522 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err14ASSERT_VIOLATIONDATA_RACE (83 of 98 remaining) [2023-08-25 05:24:42,522 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err15ASSERT_VIOLATIONDATA_RACE (82 of 98 remaining) [2023-08-25 05:24:42,522 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err16ASSERT_VIOLATIONDATA_RACE (81 of 98 remaining) [2023-08-25 05:24:42,522 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err17ASSERT_VIOLATIONDATA_RACE (80 of 98 remaining) [2023-08-25 05:24:42,522 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err18ASSERT_VIOLATIONDATA_RACE (79 of 98 remaining) [2023-08-25 05:24:42,522 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err19ASSERT_VIOLATIONDATA_RACE (78 of 98 remaining) [2023-08-25 05:24:42,522 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (77 of 98 remaining) [2023-08-25 05:24:42,522 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (76 of 98 remaining) [2023-08-25 05:24:42,522 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (75 of 98 remaining) [2023-08-25 05:24:42,522 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (74 of 98 remaining) [2023-08-25 05:24:42,522 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (73 of 98 remaining) [2023-08-25 05:24:42,523 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (72 of 98 remaining) [2023-08-25 05:24:42,523 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (71 of 98 remaining) [2023-08-25 05:24:42,523 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (70 of 98 remaining) [2023-08-25 05:24:42,523 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (69 of 98 remaining) [2023-08-25 05:24:42,523 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (68 of 98 remaining) [2023-08-25 05:24:42,523 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (67 of 98 remaining) [2023-08-25 05:24:42,523 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (66 of 98 remaining) [2023-08-25 05:24:42,523 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err12ASSERT_VIOLATIONDATA_RACE (65 of 98 remaining) [2023-08-25 05:24:42,523 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err13ASSERT_VIOLATIONDATA_RACE (64 of 98 remaining) [2023-08-25 05:24:42,523 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err14ASSERT_VIOLATIONDATA_RACE (63 of 98 remaining) [2023-08-25 05:24:42,523 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err15ASSERT_VIOLATIONDATA_RACE (62 of 98 remaining) [2023-08-25 05:24:42,523 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err16ASSERT_VIOLATIONDATA_RACE (61 of 98 remaining) [2023-08-25 05:24:42,523 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err17ASSERT_VIOLATIONDATA_RACE (60 of 98 remaining) [2023-08-25 05:24:42,524 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err18ASSERT_VIOLATIONDATA_RACE (59 of 98 remaining) [2023-08-25 05:24:42,524 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err19ASSERT_VIOLATIONDATA_RACE (58 of 98 remaining) [2023-08-25 05:24:42,524 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (57 of 98 remaining) [2023-08-25 05:24:42,524 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (56 of 98 remaining) [2023-08-25 05:24:42,524 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (55 of 98 remaining) [2023-08-25 05:24:42,524 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (54 of 98 remaining) [2023-08-25 05:24:42,524 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (53 of 98 remaining) [2023-08-25 05:24:42,524 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (52 of 98 remaining) [2023-08-25 05:24:42,524 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (51 of 98 remaining) [2023-08-25 05:24:42,524 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (50 of 98 remaining) [2023-08-25 05:24:42,524 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (49 of 98 remaining) [2023-08-25 05:24:42,524 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (48 of 98 remaining) [2023-08-25 05:24:42,524 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (47 of 98 remaining) [2023-08-25 05:24:42,525 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (46 of 98 remaining) [2023-08-25 05:24:42,525 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE (45 of 98 remaining) [2023-08-25 05:24:42,525 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE (44 of 98 remaining) [2023-08-25 05:24:42,525 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE (43 of 98 remaining) [2023-08-25 05:24:42,525 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONASSERT (42 of 98 remaining) [2023-08-25 05:24:42,525 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (41 of 98 remaining) [2023-08-25 05:24:42,525 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (40 of 98 remaining) [2023-08-25 05:24:42,525 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (39 of 98 remaining) [2023-08-25 05:24:42,525 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (38 of 98 remaining) [2023-08-25 05:24:42,525 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (37 of 98 remaining) [2023-08-25 05:24:42,525 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (36 of 98 remaining) [2023-08-25 05:24:42,525 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (35 of 98 remaining) [2023-08-25 05:24:42,525 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (34 of 98 remaining) [2023-08-25 05:24:42,526 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (33 of 98 remaining) [2023-08-25 05:24:42,526 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (32 of 98 remaining) [2023-08-25 05:24:42,526 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (31 of 98 remaining) [2023-08-25 05:24:42,526 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (30 of 98 remaining) [2023-08-25 05:24:42,526 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (29 of 98 remaining) [2023-08-25 05:24:42,526 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err11ASSERT_VIOLATIONDATA_RACE (28 of 98 remaining) [2023-08-25 05:24:42,526 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err12ASSERT_VIOLATIONDATA_RACE (27 of 98 remaining) [2023-08-25 05:24:42,526 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err13ASSERT_VIOLATIONDATA_RACE (26 of 98 remaining) [2023-08-25 05:24:42,526 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err14ASSERT_VIOLATIONDATA_RACE (25 of 98 remaining) [2023-08-25 05:24:42,526 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err15ASSERT_VIOLATIONDATA_RACE (24 of 98 remaining) [2023-08-25 05:24:42,526 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err16ASSERT_VIOLATIONDATA_RACE (23 of 98 remaining) [2023-08-25 05:24:42,526 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err17ASSERT_VIOLATIONDATA_RACE (22 of 98 remaining) [2023-08-25 05:24:42,527 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err18ASSERT_VIOLATIONDATA_RACE (21 of 98 remaining) [2023-08-25 05:24:42,527 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err19ASSERT_VIOLATIONDATA_RACE (20 of 98 remaining) [2023-08-25 05:24:42,527 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (19 of 98 remaining) [2023-08-25 05:24:42,527 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (18 of 98 remaining) [2023-08-25 05:24:42,527 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (17 of 98 remaining) [2023-08-25 05:24:42,527 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (16 of 98 remaining) [2023-08-25 05:24:42,527 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (15 of 98 remaining) [2023-08-25 05:24:42,527 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (14 of 98 remaining) [2023-08-25 05:24:42,527 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (13 of 98 remaining) [2023-08-25 05:24:42,527 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (12 of 98 remaining) [2023-08-25 05:24:42,527 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (11 of 98 remaining) [2023-08-25 05:24:42,527 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (10 of 98 remaining) [2023-08-25 05:24:42,527 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (9 of 98 remaining) [2023-08-25 05:24:42,527 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (8 of 98 remaining) [2023-08-25 05:24:42,528 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err12ASSERT_VIOLATIONDATA_RACE (7 of 98 remaining) [2023-08-25 05:24:42,528 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err13ASSERT_VIOLATIONDATA_RACE (6 of 98 remaining) [2023-08-25 05:24:42,528 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err14ASSERT_VIOLATIONDATA_RACE (5 of 98 remaining) [2023-08-25 05:24:42,528 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err15ASSERT_VIOLATIONDATA_RACE (4 of 98 remaining) [2023-08-25 05:24:42,528 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err16ASSERT_VIOLATIONDATA_RACE (3 of 98 remaining) [2023-08-25 05:24:42,528 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err17ASSERT_VIOLATIONDATA_RACE (2 of 98 remaining) [2023-08-25 05:24:42,528 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err18ASSERT_VIOLATIONDATA_RACE (1 of 98 remaining) [2023-08-25 05:24:42,528 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err19ASSERT_VIOLATIONDATA_RACE (0 of 98 remaining) [2023-08-25 05:24:42,528 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-08-25 05:24:42,528 INFO L445 BasicCegarLoop]: Path program histogram: [8, 1] [2023-08-25 05:24:42,532 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-08-25 05:24:42,532 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-08-25 05:24:42,534 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.08 05:24:42 BasicIcfg [2023-08-25 05:24:42,534 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-08-25 05:24:42,534 INFO L158 Benchmark]: Toolchain (without parser) took 9495.85ms. Allocated memory was 415.2MB in the beginning and 612.4MB in the end (delta: 197.1MB). Free memory was 390.7MB in the beginning and 495.4MB in the end (delta: -104.7MB). Peak memory consumption was 95.6MB. Max. memory is 16.0GB. [2023-08-25 05:24:42,535 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 415.2MB. Free memory was 393.2MB in the beginning and 393.0MB in the end (delta: 157.4kB). There was no memory consumed. Max. memory is 16.0GB. [2023-08-25 05:24:42,535 INFO L158 Benchmark]: CACSL2BoogieTranslator took 231.61ms. Allocated memory is still 415.2MB. Free memory was 389.9MB in the beginning and 377.3MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.0GB. [2023-08-25 05:24:42,535 INFO L158 Benchmark]: Boogie Procedure Inliner took 55.15ms. Allocated memory is still 415.2MB. Free memory was 377.3MB in the beginning and 374.4MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. [2023-08-25 05:24:42,535 INFO L158 Benchmark]: Boogie Preprocessor took 30.17ms. Allocated memory is still 415.2MB. Free memory was 374.4MB in the beginning and 372.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. [2023-08-25 05:24:42,535 INFO L158 Benchmark]: RCFGBuilder took 604.68ms. Allocated memory is still 415.2MB. Free memory was 372.3MB in the beginning and 317.8MB in the end (delta: 54.5MB). Peak memory consumption was 54.5MB. Max. memory is 16.0GB. [2023-08-25 05:24:42,535 INFO L158 Benchmark]: TraceAbstraction took 8568.96ms. Allocated memory was 415.2MB in the beginning and 612.4MB in the end (delta: 197.1MB). Free memory was 317.3MB in the beginning and 495.4MB in the end (delta: -178.1MB). Peak memory consumption was 22.2MB. Max. memory is 16.0GB. [2023-08-25 05:24:42,536 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 415.2MB. Free memory was 393.2MB in the beginning and 393.0MB in the end (delta: 157.4kB). There was no memory consumed. Max. memory is 16.0GB. * CACSL2BoogieTranslator took 231.61ms. Allocated memory is still 415.2MB. Free memory was 389.9MB in the beginning and 377.3MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.0GB. * Boogie Procedure Inliner took 55.15ms. Allocated memory is still 415.2MB. Free memory was 377.3MB in the beginning and 374.4MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. * Boogie Preprocessor took 30.17ms. Allocated memory is still 415.2MB. Free memory was 374.4MB in the beginning and 372.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. * RCFGBuilder took 604.68ms. Allocated memory is still 415.2MB. Free memory was 372.3MB in the beginning and 317.8MB in the end (delta: 54.5MB). Peak memory consumption was 54.5MB. Max. memory is 16.0GB. * TraceAbstraction took 8568.96ms. Allocated memory was 415.2MB in the beginning and 612.4MB in the end (delta: 197.1MB). Free memory was 317.3MB in the beginning and 495.4MB in the end (delta: -178.1MB). Peak memory consumption was 22.2MB. Max. memory is 16.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 5.2s, 224 PlacesBefore, 89 PlacesAfterwards, 223 TransitionsBefore, 82 TransitionsAfterwards, 3968 CoEnabledTransitionPairs, 9 FixpointIterations, 162 TrivialSequentialCompositions, 31 ConcurrentSequentialCompositions, 17 TrivialYvCompositions, 0 ConcurrentYvCompositions, 6 ChoiceCompositions, 216 TotalNumberOfCompositions, 41812 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 18322, independent: 17232, independent conditional: 0, independent unconditional: 17232, dependent: 1090, dependent conditional: 0, dependent unconditional: 1090, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 1931, independent: 1876, independent conditional: 0, independent unconditional: 1876, dependent: 55, dependent conditional: 0, dependent unconditional: 55, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 18322, independent: 15356, independent conditional: 0, independent unconditional: 15356, dependent: 1035, dependent conditional: 0, dependent unconditional: 1035, unknown: 1931, unknown conditional: 0, unknown unconditional: 1931] , Statistics on independence cache: Total cache size (in pairs): 903, Positive cache size: 850, Positive conditional cache size: 0, Positive unconditional cache size: 850, Negative cache size: 53, Negative conditional cache size: 0, Negative unconditional cache size: 53, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - PositiveResult [Line: 43]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 46]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 46]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 46]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 46]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 46]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 52]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 56]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 59]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 59]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 59]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 59]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 59]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 63]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 63]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 66]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 66]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 69]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 77]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 80]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 80]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 80]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 80]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 80]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 83]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 83]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 86]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 90]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 93]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 93]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 93]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 93]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 93]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 97]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 97]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 100]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 100]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 103]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 113]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 114]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 115]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 116]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 117]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 118]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 119]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 122]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 122]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 122]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 122]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 122]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 126]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 127]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 129]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 21]: assertion always holds For all program executions holds that assertion always holds at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 295 locations, 98 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 8.5s, OverallIterations: 9, TraceHistogramMax: 1, PathProgramHistogramMax: 8, EmptinessCheckTime: 0.0s, AutomataDifference: 1.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 5.4s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 187 SdHoareTripleChecker+Valid, 0.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 187 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 0.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 5 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1278 IncrementalHoareTripleChecker+Invalid, 1283 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 5 mSolverCounterUnsat, 0 mSDtfsCounter, 1278 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 48 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=207occurred in iteration=5, InterpolantAutomatonStates: 46, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.4s InterpolantComputationTime, 217 NumberOfCodeBlocks, 217 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 208 ConstructedInterpolants, 0 QuantifiedInterpolants, 1031 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 9 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 56 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-08-25 05:24:42,552 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...