/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-VariableLbe.epf --traceabstraction.order.of.the.error.locations.to.be.checked INSUFFICIENT_FIRST -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml --cacsl2boogietranslator.check.unreachability.of.reach_error.function false --cacsl2boogietranslator.check.absence.of.data.races.in.concurrent.programs true -i ../../../trunk/examples/svcomp/pthread-wmm/safe005_tso.i -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-ac9dbd0-m [2023-08-25 14:14:41,949 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-08-25 14:14:41,997 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 14:14:42,005 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-08-25 14:14:42,006 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2023-08-25 14:14:42,034 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-25 14:14:42,035 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-25 14:14:42,035 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-25 14:14:42,036 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-25 14:14:42,036 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-08-25 14:14:42,037 INFO L153 SettingsManager]: * Use SBE=true [2023-08-25 14:14:42,037 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-25 14:14:42,037 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-25 14:14:42,038 INFO L153 SettingsManager]: * sizeof long=4 [2023-08-25 14:14:42,038 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-25 14:14:42,038 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-08-25 14:14:42,039 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-08-25 14:14:42,039 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-25 14:14:42,039 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-25 14:14:42,040 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-25 14:14:42,040 INFO L153 SettingsManager]: * sizeof long double=12 [2023-08-25 14:14:42,040 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-08-25 14:14:42,041 INFO L153 SettingsManager]: * Use constant arrays=true [2023-08-25 14:14:42,041 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-25 14:14:42,041 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-25 14:14:42,042 INFO L153 SettingsManager]: * To the following directory=./dump/ [2023-08-25 14:14:42,042 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-25 14:14:42,042 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-25 14:14:42,043 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-25 14:14:42,043 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-25 14:14:42,043 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-25 14:14:42,044 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-08-25 14:14:42,044 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-08-25 14:14:42,044 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-25 14:14:42,045 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-25 14:14:42,045 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Order of the error locations to be checked -> INSUFFICIENT_FIRST Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of reach_error function -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of data races in concurrent programs -> true [2023-08-25 14:14:42,363 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-25 14:14:42,382 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-25 14:14:42,384 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-25 14:14:42,386 INFO L270 PluginConnector]: Initializing CDTParser... [2023-08-25 14:14:42,386 INFO L274 PluginConnector]: CDTParser initialized [2023-08-25 14:14:42,388 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe005_tso.i [2023-08-25 14:14:43,634 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-08-25 14:14:43,855 INFO L384 CDTParser]: Found 1 translation units. [2023-08-25 14:14:43,856 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe005_tso.i [2023-08-25 14:14:43,875 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/265b53c47/44c2fedf077c4f51aaf6499dbdc25d14/FLAG729d387d9 [2023-08-25 14:14:43,890 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/265b53c47/44c2fedf077c4f51aaf6499dbdc25d14 [2023-08-25 14:14:43,893 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-25 14:14:43,894 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-08-25 14:14:43,895 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-25 14:14:43,895 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-25 14:14:43,896 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-25 14:14:43,897 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.08 02:14:43" (1/1) ... [2023-08-25 14:14:43,898 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4920aca9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 02:14:43, skipping insertion in model container [2023-08-25 14:14:43,898 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.08 02:14:43" (1/1) ... [2023-08-25 14:14:43,947 INFO L176 MainTranslator]: Built tables and reachable declarations [2023-08-25 14:14:44,298 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-25 14:14:44,308 INFO L201 MainTranslator]: Completed pre-run [2023-08-25 14:14:44,339 WARN L75 lationResultReporter]: Unsoundness Warning: unspecified type, defaulting to int C: short [267] [2023-08-25 14:14:44,341 WARN L75 lationResultReporter]: Unsoundness Warning: unspecified type, defaulting to int C: short [267] [2023-08-25 14:14:44,371 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-25 14:14:44,407 WARN L669 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-08-25 14:14:44,407 WARN L669 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-08-25 14:14:44,413 INFO L206 MainTranslator]: Completed translation [2023-08-25 14:14:44,415 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 02:14:44 WrapperNode [2023-08-25 14:14:44,416 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-25 14:14:44,417 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-25 14:14:44,417 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-25 14:14:44,417 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-25 14:14:44,423 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 02:14:44" (1/1) ... [2023-08-25 14:14:44,453 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 02:14:44" (1/1) ... [2023-08-25 14:14:44,477 INFO L138 Inliner]: procedures = 176, calls = 56, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 108 [2023-08-25 14:14:44,478 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-25 14:14:44,479 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-25 14:14:44,479 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-25 14:14:44,479 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-08-25 14:14:44,486 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 02:14:44" (1/1) ... [2023-08-25 14:14:44,487 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 02:14:44" (1/1) ... [2023-08-25 14:14:44,502 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 02:14:44" (1/1) ... [2023-08-25 14:14:44,503 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 02:14:44" (1/1) ... [2023-08-25 14:14:44,507 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 02:14:44" (1/1) ... [2023-08-25 14:14:44,509 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 02:14:44" (1/1) ... [2023-08-25 14:14:44,510 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 02:14:44" (1/1) ... [2023-08-25 14:14:44,511 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 02:14:44" (1/1) ... [2023-08-25 14:14:44,514 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-25 14:14:44,514 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-25 14:14:44,514 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-08-25 14:14:44,514 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-08-25 14:14:44,515 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 02:14:44" (1/1) ... [2023-08-25 14:14:44,534 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-25 14:14:44,543 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-25 14:14:44,556 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 14:14:44,579 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 14:14:44,591 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-08-25 14:14:44,591 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-08-25 14:14:44,591 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-25 14:14:44,592 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-25 14:14:44,592 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-25 14:14:44,592 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2023-08-25 14:14:44,592 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2023-08-25 14:14:44,592 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2023-08-25 14:14:44,592 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2023-08-25 14:14:44,592 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2023-08-25 14:14:44,592 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2023-08-25 14:14:44,593 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-08-25 14:14:44,593 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-08-25 14:14:44,593 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-25 14:14:44,593 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-25 14:14:44,594 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 14:14:44,708 INFO L236 CfgBuilder]: Building ICFG [2023-08-25 14:14:44,710 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-25 14:14:44,935 INFO L277 CfgBuilder]: Performing block encoding [2023-08-25 14:14:45,094 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-25 14:14:45,094 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-08-25 14:14:45,096 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.08 02:14:45 BoogieIcfgContainer [2023-08-25 14:14:45,096 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-25 14:14:45,099 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-25 14:14:45,099 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-08-25 14:14:45,102 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-08-25 14:14:45,102 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.08 02:14:43" (1/3) ... [2023-08-25 14:14:45,103 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@30242b71 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.08 02:14:45, skipping insertion in model container [2023-08-25 14:14:45,103 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 02:14:44" (2/3) ... [2023-08-25 14:14:45,103 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@30242b71 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.08 02:14:45, skipping insertion in model container [2023-08-25 14:14:45,104 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.08 02:14:45" (3/3) ... [2023-08-25 14:14:45,105 INFO L112 eAbstractionObserver]: Analyzing ICFG safe005_tso.i [2023-08-25 14:14:45,119 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-25 14:14:45,120 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 25 error locations. [2023-08-25 14:14:45,121 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-25 14:14:45,177 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-08-25 14:14:45,208 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 124 places, 117 transitions, 249 flow [2023-08-25 14:14:45,247 INFO L124 PetriNetUnfolderBase]: 3/114 cut-off events. [2023-08-25 14:14:45,248 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-08-25 14:14:45,252 INFO L83 FinitePrefix]: Finished finitePrefix Result has 124 conditions, 114 events. 3/114 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 132 event pairs, 0 based on Foata normal form. 0/86 useless extension candidates. Maximal degree in co-relation 96. Up to 2 conditions per place. [2023-08-25 14:14:45,252 INFO L82 GeneralOperation]: Start removeDead. Operand has 124 places, 117 transitions, 249 flow [2023-08-25 14:14:45,256 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 121 places, 114 transitions, 237 flow [2023-08-25 14:14:45,259 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-08-25 14:14:45,267 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 121 places, 114 transitions, 237 flow [2023-08-25 14:14:45,269 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 121 places, 114 transitions, 237 flow [2023-08-25 14:14:45,270 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 121 places, 114 transitions, 237 flow [2023-08-25 14:14:45,305 INFO L124 PetriNetUnfolderBase]: 3/114 cut-off events. [2023-08-25 14:14:45,306 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-08-25 14:14:45,306 INFO L83 FinitePrefix]: Finished finitePrefix Result has 124 conditions, 114 events. 3/114 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 132 event pairs, 0 based on Foata normal form. 0/86 useless extension candidates. Maximal degree in co-relation 96. Up to 2 conditions per place. [2023-08-25 14:14:45,310 INFO L119 LiptonReduction]: Number of co-enabled transitions 4142 [2023-08-25 14:14:49,663 INFO L134 LiptonReduction]: Checked pairs total: 15972 [2023-08-25 14:14:49,663 INFO L136 LiptonReduction]: Total number of compositions: 102 [2023-08-25 14:14:49,679 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-08-25 14:14:49,686 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;@fb0d1ad, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-08-25 14:14:49,686 INFO L358 AbstractCegarLoop]: Starting to check reachability of 43 error locations. [2023-08-25 14:14:49,688 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-08-25 14:14:49,688 INFO L124 PetriNetUnfolderBase]: 0/2 cut-off events. [2023-08-25 14:14:49,688 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-08-25 14:14:49,688 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-25 14:14:49,689 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1] [2023-08-25 14:14:49,689 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting P0Err0ASSERT_VIOLATIONDATA_RACE === [P0Err0ASSERT_VIOLATIONDATA_RACE, P0Err1ASSERT_VIOLATIONDATA_RACE, P0Err2ASSERT_VIOLATIONDATA_RACE, P0Err3ASSERT_VIOLATIONDATA_RACE (and 39 more)] === [2023-08-25 14:14:49,694 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-25 14:14:49,694 INFO L85 PathProgramCache]: Analyzing trace with hash 604579, now seen corresponding path program 1 times [2023-08-25 14:14:49,701 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-25 14:14:49,702 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [708814087] [2023-08-25 14:14:49,702 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-25 14:14:49,703 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-25 14:14:49,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-25 14:14:49,822 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 14:14:49,823 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-25 14:14:49,823 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [708814087] [2023-08-25 14:14:49,823 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [708814087] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-25 14:14:49,823 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-25 14:14:49,824 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2023-08-25 14:14:49,827 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2088313513] [2023-08-25 14:14:49,827 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-25 14:14:49,833 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-08-25 14:14:49,838 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-25 14:14:49,857 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-08-25 14:14:49,858 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-08-25 14:14:49,859 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 77 out of 219 [2023-08-25 14:14:49,860 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 52 places, 42 transitions, 93 flow. Second operand has 2 states, 2 states have (on average 78.5) internal successors, (157), 2 states have internal predecessors, (157), 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 14:14:49,860 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-25 14:14:49,860 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 77 of 219 [2023-08-25 14:14:49,861 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-25 14:14:50,019 INFO L124 PetriNetUnfolderBase]: 567/864 cut-off events. [2023-08-25 14:14:50,020 INFO L125 PetriNetUnfolderBase]: For 10/10 co-relation queries the response was YES. [2023-08-25 14:14:50,022 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1775 conditions, 864 events. 567/864 cut-off events. For 10/10 co-relation queries the response was YES. Maximal size of possible extension queue 54. Compared 3174 event pairs, 567 based on Foata normal form. 0/800 useless extension candidates. Maximal degree in co-relation 1764. Up to 865 conditions per place. [2023-08-25 14:14:50,026 INFO L140 encePairwiseOnDemand]: 195/219 looper letters, 17 selfloop transitions, 0 changer transitions 1/18 dead transitions. [2023-08-25 14:14:50,026 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 29 places, 18 transitions, 81 flow [2023-08-25 14:14:50,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-08-25 14:14:50,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2023-08-25 14:14:50,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 196 transitions. [2023-08-25 14:14:50,036 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4474885844748858 [2023-08-25 14:14:50,037 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 196 transitions. [2023-08-25 14:14:50,037 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 196 transitions. [2023-08-25 14:14:50,038 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-25 14:14:50,040 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 196 transitions. [2023-08-25 14:14:50,042 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 98.0) internal successors, (196), 2 states have internal predecessors, (196), 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 14:14:50,045 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 219.0) internal successors, (657), 3 states have internal predecessors, (657), 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 14:14:50,046 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 219.0) internal successors, (657), 3 states have internal predecessors, (657), 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 14:14:50,047 INFO L175 Difference]: Start difference. First operand has 52 places, 42 transitions, 93 flow. Second operand 2 states and 196 transitions. [2023-08-25 14:14:50,048 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 29 places, 18 transitions, 81 flow [2023-08-25 14:14:50,050 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 26 places, 18 transitions, 78 flow, removed 0 selfloop flow, removed 3 redundant places. [2023-08-25 14:14:50,051 INFO L231 Difference]: Finished difference. Result has 26 places, 17 transitions, 40 flow [2023-08-25 14:14:50,052 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=219, PETRI_DIFFERENCE_MINUEND_FLOW=42, PETRI_DIFFERENCE_MINUEND_PLACES=25, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=18, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=18, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=40, PETRI_PLACES=26, PETRI_TRANSITIONS=17} [2023-08-25 14:14:50,055 INFO L281 CegarLoopForPetriNet]: 52 programPoint places, -26 predicate places. [2023-08-25 14:14:50,055 INFO L495 AbstractCegarLoop]: Abstraction has has 26 places, 17 transitions, 40 flow [2023-08-25 14:14:50,056 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 78.5) internal successors, (157), 2 states have internal predecessors, (157), 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 14:14:50,056 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-25 14:14:50,056 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-08-25 14:14:50,056 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-08-25 14:14:50,056 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONASSERT === [P0Err0ASSERT_VIOLATIONDATA_RACE, P0Err1ASSERT_VIOLATIONDATA_RACE, P0Err2ASSERT_VIOLATIONDATA_RACE, P0Err3ASSERT_VIOLATIONDATA_RACE (and 39 more)] === [2023-08-25 14:14:50,057 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-25 14:14:50,057 INFO L85 PathProgramCache]: Analyzing trace with hash 1790616526, now seen corresponding path program 1 times [2023-08-25 14:14:50,057 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-25 14:14:50,057 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [313475527] [2023-08-25 14:14:50,057 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-25 14:14:50,058 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-25 14:14:50,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-25 14:14:50,196 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 14:14:50,196 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-25 14:14:50,196 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [313475527] [2023-08-25 14:14:50,196 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [313475527] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-25 14:14:50,197 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-25 14:14:50,197 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2023-08-25 14:14:50,197 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1266230690] [2023-08-25 14:14:50,197 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-25 14:14:50,198 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-25 14:14:50,198 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-25 14:14:50,199 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-25 14:14:50,199 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-25 14:14:50,200 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 76 out of 219 [2023-08-25 14:14:50,200 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 26 places, 17 transitions, 40 flow. Second operand has 3 states, 3 states have (on average 78.66666666666667) internal successors, (236), 3 states have internal predecessors, (236), 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 14:14:50,200 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-25 14:14:50,200 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 76 of 219 [2023-08-25 14:14:50,200 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-25 14:14:50,276 INFO L124 PetriNetUnfolderBase]: 401/626 cut-off events. [2023-08-25 14:14:50,276 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-08-25 14:14:50,277 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1297 conditions, 626 events. 401/626 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 38. Compared 2447 event pairs, 115 based on Foata normal form. 8/634 useless extension candidates. Maximal degree in co-relation 1294. Up to 589 conditions per place. [2023-08-25 14:14:50,280 INFO L140 encePairwiseOnDemand]: 215/219 looper letters, 25 selfloop transitions, 3 changer transitions 0/28 dead transitions. [2023-08-25 14:14:50,280 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 27 places, 28 transitions, 122 flow [2023-08-25 14:14:50,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-25 14:14:50,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-25 14:14:50,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 257 transitions. [2023-08-25 14:14:50,283 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.3911719939117199 [2023-08-25 14:14:50,283 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 257 transitions. [2023-08-25 14:14:50,283 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 257 transitions. [2023-08-25 14:14:50,283 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-25 14:14:50,283 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 257 transitions. [2023-08-25 14:14:50,285 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 85.66666666666667) internal successors, (257), 3 states have internal predecessors, (257), 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 14:14:50,286 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 219.0) internal successors, (876), 4 states have internal predecessors, (876), 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 14:14:50,287 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 219.0) internal successors, (876), 4 states have internal predecessors, (876), 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 14:14:50,287 INFO L175 Difference]: Start difference. First operand has 26 places, 17 transitions, 40 flow. Second operand 3 states and 257 transitions. [2023-08-25 14:14:50,287 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 27 places, 28 transitions, 122 flow [2023-08-25 14:14:50,287 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 27 places, 28 transitions, 122 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-25 14:14:50,288 INFO L231 Difference]: Finished difference. Result has 28 places, 19 transitions, 59 flow [2023-08-25 14:14:50,288 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=219, PETRI_DIFFERENCE_MINUEND_FLOW=40, PETRI_DIFFERENCE_MINUEND_PLACES=25, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=17, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=14, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=59, PETRI_PLACES=28, PETRI_TRANSITIONS=19} [2023-08-25 14:14:50,289 INFO L281 CegarLoopForPetriNet]: 52 programPoint places, -24 predicate places. [2023-08-25 14:14:50,289 INFO L495 AbstractCegarLoop]: Abstraction has has 28 places, 19 transitions, 59 flow [2023-08-25 14:14:50,289 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 78.66666666666667) internal successors, (236), 3 states have internal predecessors, (236), 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 14:14:50,290 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-25 14:14:50,290 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-25 14:14:50,290 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-08-25 14:14:50,290 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONASSERT === [P0Err0ASSERT_VIOLATIONDATA_RACE, P0Err1ASSERT_VIOLATIONDATA_RACE, P0Err2ASSERT_VIOLATIONDATA_RACE, P0Err3ASSERT_VIOLATIONDATA_RACE (and 39 more)] === [2023-08-25 14:14:50,291 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-25 14:14:50,291 INFO L85 PathProgramCache]: Analyzing trace with hash -325463087, now seen corresponding path program 1 times [2023-08-25 14:14:50,291 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-25 14:14:50,291 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1731250635] [2023-08-25 14:14:50,291 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-25 14:14:50,291 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-25 14:14:50,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-25 14:14:50,365 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 14:14:50,365 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-25 14:14:50,365 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1731250635] [2023-08-25 14:14:50,365 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1731250635] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-25 14:14:50,366 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-25 14:14:50,366 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2023-08-25 14:14:50,366 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1747116784] [2023-08-25 14:14:50,366 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-25 14:14:50,366 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-25 14:14:50,367 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-25 14:14:50,367 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-25 14:14:50,367 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-25 14:14:50,368 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 76 out of 219 [2023-08-25 14:14:50,368 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 28 places, 19 transitions, 59 flow. Second operand has 3 states, 3 states have (on average 79.0) internal successors, (237), 3 states have internal predecessors, (237), 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 14:14:50,369 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-25 14:14:50,369 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 76 of 219 [2023-08-25 14:14:50,369 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-25 14:14:50,461 INFO L124 PetriNetUnfolderBase]: 367/578 cut-off events. [2023-08-25 14:14:50,461 INFO L125 PetriNetUnfolderBase]: For 117/117 co-relation queries the response was YES. [2023-08-25 14:14:50,462 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1375 conditions, 578 events. 367/578 cut-off events. For 117/117 co-relation queries the response was YES. Maximal size of possible extension queue 34. Compared 2002 event pairs, 107 based on Foata normal form. 14/592 useless extension candidates. Maximal degree in co-relation 1370. Up to 419 conditions per place. [2023-08-25 14:14:50,464 INFO L140 encePairwiseOnDemand]: 216/219 looper letters, 26 selfloop transitions, 2 changer transitions 0/28 dead transitions. [2023-08-25 14:14:50,465 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 30 places, 28 transitions, 143 flow [2023-08-25 14:14:50,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-25 14:14:50,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-25 14:14:50,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 253 transitions. [2023-08-25 14:14:50,467 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.3850837138508371 [2023-08-25 14:14:50,467 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 253 transitions. [2023-08-25 14:14:50,467 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 253 transitions. [2023-08-25 14:14:50,468 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-25 14:14:50,468 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 253 transitions. [2023-08-25 14:14:50,469 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 84.33333333333333) internal successors, (253), 3 states have internal predecessors, (253), 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 14:14:50,472 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 219.0) internal successors, (876), 4 states have internal predecessors, (876), 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 14:14:50,472 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 219.0) internal successors, (876), 4 states have internal predecessors, (876), 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 14:14:50,472 INFO L175 Difference]: Start difference. First operand has 28 places, 19 transitions, 59 flow. Second operand 3 states and 253 transitions. [2023-08-25 14:14:50,472 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 30 places, 28 transitions, 143 flow [2023-08-25 14:14:50,474 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 29 places, 28 transitions, 138 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-08-25 14:14:50,474 INFO L231 Difference]: Finished difference. Result has 30 places, 19 transitions, 64 flow [2023-08-25 14:14:50,475 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=219, PETRI_DIFFERENCE_MINUEND_FLOW=56, PETRI_DIFFERENCE_MINUEND_PLACES=27, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=19, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=17, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=64, PETRI_PLACES=30, PETRI_TRANSITIONS=19} [2023-08-25 14:14:50,476 INFO L281 CegarLoopForPetriNet]: 52 programPoint places, -22 predicate places. [2023-08-25 14:14:50,476 INFO L495 AbstractCegarLoop]: Abstraction has has 30 places, 19 transitions, 64 flow [2023-08-25 14:14:50,477 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 79.0) internal successors, (237), 3 states have internal predecessors, (237), 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 14:14:50,477 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-25 14:14:50,477 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-25 14:14:50,477 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-08-25 14:14:50,481 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONASSERT === [P0Err0ASSERT_VIOLATIONDATA_RACE, P0Err1ASSERT_VIOLATIONDATA_RACE, P0Err2ASSERT_VIOLATIONDATA_RACE, P0Err3ASSERT_VIOLATIONDATA_RACE (and 39 more)] === [2023-08-25 14:14:50,481 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-25 14:14:50,481 INFO L85 PathProgramCache]: Analyzing trace with hash -1351454808, now seen corresponding path program 1 times [2023-08-25 14:14:50,481 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-25 14:14:50,482 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1428612615] [2023-08-25 14:14:50,482 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-25 14:14:50,482 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-25 14:14:50,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-25 14:14:50,572 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 14:14:50,573 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-25 14:14:50,573 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1428612615] [2023-08-25 14:14:50,573 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1428612615] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-25 14:14:50,573 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-25 14:14:50,573 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-08-25 14:14:50,573 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1421504192] [2023-08-25 14:14:50,573 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-25 14:14:50,574 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-08-25 14:14:50,574 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-25 14:14:50,574 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-08-25 14:14:50,574 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-08-25 14:14:50,575 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 75 out of 219 [2023-08-25 14:14:50,576 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 30 places, 19 transitions, 64 flow. Second operand has 4 states, 4 states have (on average 77.5) internal successors, (310), 4 states have internal predecessors, (310), 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 14:14:50,576 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-25 14:14:50,576 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 75 of 219 [2023-08-25 14:14:50,576 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-25 14:14:50,734 INFO L124 PetriNetUnfolderBase]: 644/1041 cut-off events. [2023-08-25 14:14:50,734 INFO L125 PetriNetUnfolderBase]: For 384/384 co-relation queries the response was YES. [2023-08-25 14:14:50,736 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2467 conditions, 1041 events. 644/1041 cut-off events. For 384/384 co-relation queries the response was YES. Maximal size of possible extension queue 71. Compared 4723 event pairs, 147 based on Foata normal form. 54/1095 useless extension candidates. Maximal degree in co-relation 2461. Up to 451 conditions per place. [2023-08-25 14:14:50,739 INFO L140 encePairwiseOnDemand]: 215/219 looper letters, 28 selfloop transitions, 4 changer transitions 15/47 dead transitions. [2023-08-25 14:14:50,739 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 34 places, 47 transitions, 229 flow [2023-08-25 14:14:50,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-08-25 14:14:50,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2023-08-25 14:14:50,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 423 transitions. [2023-08-25 14:14:50,741 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.3863013698630137 [2023-08-25 14:14:50,741 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 423 transitions. [2023-08-25 14:14:50,741 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 423 transitions. [2023-08-25 14:14:50,741 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-25 14:14:50,742 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 423 transitions. [2023-08-25 14:14:50,743 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 84.6) internal successors, (423), 5 states have internal predecessors, (423), 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 14:14:50,744 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 219.0) internal successors, (1314), 6 states have internal predecessors, (1314), 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 14:14:50,745 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 219.0) internal successors, (1314), 6 states have internal predecessors, (1314), 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 14:14:50,745 INFO L175 Difference]: Start difference. First operand has 30 places, 19 transitions, 64 flow. Second operand 5 states and 423 transitions. [2023-08-25 14:14:50,745 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 34 places, 47 transitions, 229 flow [2023-08-25 14:14:50,746 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 32 places, 47 transitions, 223 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-08-25 14:14:50,747 INFO L231 Difference]: Finished difference. Result has 36 places, 21 transitions, 96 flow [2023-08-25 14:14:50,747 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=219, PETRI_DIFFERENCE_MINUEND_FLOW=60, PETRI_DIFFERENCE_MINUEND_PLACES=28, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=19, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=15, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=96, PETRI_PLACES=36, PETRI_TRANSITIONS=21} [2023-08-25 14:14:50,747 INFO L281 CegarLoopForPetriNet]: 52 programPoint places, -16 predicate places. [2023-08-25 14:14:50,748 INFO L495 AbstractCegarLoop]: Abstraction has has 36 places, 21 transitions, 96 flow [2023-08-25 14:14:50,748 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 77.5) internal successors, (310), 4 states have internal predecessors, (310), 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 14:14:50,748 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-25 14:14:50,748 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-25 14:14:50,748 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-08-25 14:14:50,748 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONASSERT === [P0Err0ASSERT_VIOLATIONDATA_RACE, P0Err1ASSERT_VIOLATIONDATA_RACE, P0Err2ASSERT_VIOLATIONDATA_RACE, P0Err3ASSERT_VIOLATIONDATA_RACE (and 39 more)] === [2023-08-25 14:14:50,749 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-25 14:14:50,749 INFO L85 PathProgramCache]: Analyzing trace with hash -1499438948, now seen corresponding path program 2 times [2023-08-25 14:14:50,749 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-25 14:14:50,749 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1767587465] [2023-08-25 14:14:50,749 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-25 14:14:50,749 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-25 14:14:50,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-25 14:14:50,807 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 14:14:50,807 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-25 14:14:50,807 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1767587465] [2023-08-25 14:14:50,807 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1767587465] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-25 14:14:50,807 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-25 14:14:50,808 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-25 14:14:50,808 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1881614886] [2023-08-25 14:14:50,808 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-25 14:14:50,808 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-08-25 14:14:50,808 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-25 14:14:50,809 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-08-25 14:14:50,809 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-08-25 14:14:50,809 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 75 out of 219 [2023-08-25 14:14:50,810 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 36 places, 21 transitions, 96 flow. Second operand has 4 states, 4 states have (on average 77.5) internal successors, (310), 4 states have internal predecessors, (310), 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 14:14:50,810 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-25 14:14:50,810 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 75 of 219 [2023-08-25 14:14:50,810 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-25 14:14:50,917 INFO L124 PetriNetUnfolderBase]: 517/854 cut-off events. [2023-08-25 14:14:50,917 INFO L125 PetriNetUnfolderBase]: For 1411/1411 co-relation queries the response was YES. [2023-08-25 14:14:50,920 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2272 conditions, 854 events. 517/854 cut-off events. For 1411/1411 co-relation queries the response was YES. Maximal size of possible extension queue 60. Compared 3944 event pairs, 125 based on Foata normal form. 60/914 useless extension candidates. Maximal degree in co-relation 2263. Up to 512 conditions per place. [2023-08-25 14:14:50,923 INFO L140 encePairwiseOnDemand]: 214/219 looper letters, 27 selfloop transitions, 4 changer transitions 6/37 dead transitions. [2023-08-25 14:14:50,923 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 37 places, 37 transitions, 215 flow [2023-08-25 14:14:50,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-08-25 14:14:50,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2023-08-25 14:14:50,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 336 transitions. [2023-08-25 14:14:50,925 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.3835616438356164 [2023-08-25 14:14:50,925 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 336 transitions. [2023-08-25 14:14:50,925 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 336 transitions. [2023-08-25 14:14:50,925 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-25 14:14:50,926 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 336 transitions. [2023-08-25 14:14:50,927 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 84.0) internal successors, (336), 4 states have internal predecessors, (336), 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 14:14:50,928 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 219.0) internal successors, (1095), 5 states have internal predecessors, (1095), 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 14:14:50,929 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 219.0) internal successors, (1095), 5 states have internal predecessors, (1095), 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 14:14:50,929 INFO L175 Difference]: Start difference. First operand has 36 places, 21 transitions, 96 flow. Second operand 4 states and 336 transitions. [2023-08-25 14:14:50,929 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 37 places, 37 transitions, 215 flow [2023-08-25 14:14:50,933 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 33 places, 37 transitions, 195 flow, removed 5 selfloop flow, removed 4 redundant places. [2023-08-25 14:14:50,934 INFO L231 Difference]: Finished difference. Result has 34 places, 21 transitions, 93 flow [2023-08-25 14:14:50,934 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=219, PETRI_DIFFERENCE_MINUEND_FLOW=78, PETRI_DIFFERENCE_MINUEND_PLACES=30, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=21, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=17, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=93, PETRI_PLACES=34, PETRI_TRANSITIONS=21} [2023-08-25 14:14:50,936 INFO L281 CegarLoopForPetriNet]: 52 programPoint places, -18 predicate places. [2023-08-25 14:14:50,936 INFO L495 AbstractCegarLoop]: Abstraction has has 34 places, 21 transitions, 93 flow [2023-08-25 14:14:50,937 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 77.5) internal successors, (310), 4 states have internal predecessors, (310), 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 14:14:50,937 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-25 14:14:50,937 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-25 14:14:50,937 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-08-25 14:14:50,937 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONASSERT === [P0Err0ASSERT_VIOLATIONDATA_RACE, P0Err1ASSERT_VIOLATIONDATA_RACE, P0Err2ASSERT_VIOLATIONDATA_RACE, P0Err3ASSERT_VIOLATIONDATA_RACE (and 39 more)] === [2023-08-25 14:14:50,938 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-25 14:14:50,938 INFO L85 PathProgramCache]: Analyzing trace with hash -1025626215, now seen corresponding path program 1 times [2023-08-25 14:14:50,938 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-25 14:14:50,938 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [113409071] [2023-08-25 14:14:50,938 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-25 14:14:50,938 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-25 14:14:50,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-25 14:14:51,021 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 14:14:51,022 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-25 14:14:51,022 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [113409071] [2023-08-25 14:14:51,022 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [113409071] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-25 14:14:51,022 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-25 14:14:51,022 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2023-08-25 14:14:51,022 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1229666708] [2023-08-25 14:14:51,023 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-25 14:14:51,023 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-25 14:14:51,024 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-25 14:14:51,025 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-25 14:14:51,028 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-25 14:14:51,029 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 76 out of 219 [2023-08-25 14:14:51,029 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 34 places, 21 transitions, 93 flow. Second operand has 3 states, 3 states have (on average 80.0) internal successors, (240), 3 states have internal predecessors, (240), 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 14:14:51,029 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-25 14:14:51,029 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 76 of 219 [2023-08-25 14:14:51,029 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-25 14:14:51,090 INFO L124 PetriNetUnfolderBase]: 281/478 cut-off events. [2023-08-25 14:14:51,090 INFO L125 PetriNetUnfolderBase]: For 484/484 co-relation queries the response was YES. [2023-08-25 14:14:51,091 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1278 conditions, 478 events. 281/478 cut-off events. For 484/484 co-relation queries the response was YES. Maximal size of possible extension queue 29. Compared 1746 event pairs, 153 based on Foata normal form. 14/492 useless extension candidates. Maximal degree in co-relation 1270. Up to 270 conditions per place. [2023-08-25 14:14:51,092 INFO L140 encePairwiseOnDemand]: 216/219 looper letters, 24 selfloop transitions, 2 changer transitions 0/26 dead transitions. [2023-08-25 14:14:51,093 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 36 places, 26 transitions, 159 flow [2023-08-25 14:14:51,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-25 14:14:51,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-25 14:14:51,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 251 transitions. [2023-08-25 14:14:51,094 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.3820395738203957 [2023-08-25 14:14:51,094 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 251 transitions. [2023-08-25 14:14:51,094 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 251 transitions. [2023-08-25 14:14:51,095 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-25 14:14:51,095 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 251 transitions. [2023-08-25 14:14:51,095 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 83.66666666666667) internal successors, (251), 3 states have internal predecessors, (251), 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 14:14:51,097 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 219.0) internal successors, (876), 4 states have internal predecessors, (876), 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 14:14:51,098 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 219.0) internal successors, (876), 4 states have internal predecessors, (876), 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 14:14:51,098 INFO L175 Difference]: Start difference. First operand has 34 places, 21 transitions, 93 flow. Second operand 3 states and 251 transitions. [2023-08-25 14:14:51,098 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 36 places, 26 transitions, 159 flow [2023-08-25 14:14:51,099 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 33 places, 26 transitions, 147 flow, removed 2 selfloop flow, removed 3 redundant places. [2023-08-25 14:14:51,100 INFO L231 Difference]: Finished difference. Result has 34 places, 21 transitions, 91 flow [2023-08-25 14:14:51,100 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=219, PETRI_DIFFERENCE_MINUEND_FLOW=81, PETRI_DIFFERENCE_MINUEND_PLACES=31, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=21, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=19, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=91, PETRI_PLACES=34, PETRI_TRANSITIONS=21} [2023-08-25 14:14:51,102 INFO L281 CegarLoopForPetriNet]: 52 programPoint places, -18 predicate places. [2023-08-25 14:14:51,102 INFO L495 AbstractCegarLoop]: Abstraction has has 34 places, 21 transitions, 91 flow [2023-08-25 14:14:51,103 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 80.0) internal successors, (240), 3 states have internal predecessors, (240), 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 14:14:51,103 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-25 14:14:51,103 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-25 14:14:51,103 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-08-25 14:14:51,103 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONASSERT === [P0Err0ASSERT_VIOLATIONDATA_RACE, P0Err1ASSERT_VIOLATIONDATA_RACE, P0Err2ASSERT_VIOLATIONDATA_RACE, P0Err3ASSERT_VIOLATIONDATA_RACE (and 39 more)] === [2023-08-25 14:14:51,104 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-25 14:14:51,104 INFO L85 PathProgramCache]: Analyzing trace with hash 74195151, now seen corresponding path program 1 times [2023-08-25 14:14:51,104 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-25 14:14:51,104 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1936222967] [2023-08-25 14:14:51,104 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-25 14:14:51,104 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-25 14:14:51,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-25 14:14:51,154 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 14:14:51,155 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-25 14:14:51,155 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1936222967] [2023-08-25 14:14:51,155 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1936222967] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-25 14:14:51,155 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-25 14:14:51,155 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-08-25 14:14:51,155 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [540275637] [2023-08-25 14:14:51,155 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-25 14:14:51,156 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-08-25 14:14:51,156 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-25 14:14:51,156 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-08-25 14:14:51,156 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-08-25 14:14:51,157 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 75 out of 219 [2023-08-25 14:14:51,157 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 34 places, 21 transitions, 91 flow. Second operand has 4 states, 4 states have (on average 78.25) internal successors, (313), 4 states have internal predecessors, (313), 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 14:14:51,157 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-25 14:14:51,157 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 75 of 219 [2023-08-25 14:14:51,157 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-25 14:14:51,251 INFO L124 PetriNetUnfolderBase]: 309/530 cut-off events. [2023-08-25 14:14:51,251 INFO L125 PetriNetUnfolderBase]: For 381/381 co-relation queries the response was YES. [2023-08-25 14:14:51,252 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1406 conditions, 530 events. 309/530 cut-off events. For 381/381 co-relation queries the response was YES. Maximal size of possible extension queue 37. Compared 2131 event pairs, 83 based on Foata normal form. 12/542 useless extension candidates. Maximal degree in co-relation 1398. Up to 260 conditions per place. [2023-08-25 14:14:51,254 INFO L140 encePairwiseOnDemand]: 215/219 looper letters, 27 selfloop transitions, 4 changer transitions 6/37 dead transitions. [2023-08-25 14:14:51,254 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 37 places, 37 transitions, 204 flow [2023-08-25 14:14:51,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-08-25 14:14:51,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2023-08-25 14:14:51,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 337 transitions. [2023-08-25 14:14:51,255 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.384703196347032 [2023-08-25 14:14:51,255 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 337 transitions. [2023-08-25 14:14:51,256 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 337 transitions. [2023-08-25 14:14:51,256 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-25 14:14:51,256 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 337 transitions. [2023-08-25 14:14:51,257 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 84.25) internal successors, (337), 4 states have internal predecessors, (337), 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 14:14:51,258 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 219.0) internal successors, (1095), 5 states have internal predecessors, (1095), 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 14:14:51,258 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 219.0) internal successors, (1095), 5 states have internal predecessors, (1095), 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 14:14:51,258 INFO L175 Difference]: Start difference. First operand has 34 places, 21 transitions, 91 flow. Second operand 4 states and 337 transitions. [2023-08-25 14:14:51,258 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 37 places, 37 transitions, 204 flow [2023-08-25 14:14:51,259 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 34 places, 37 transitions, 192 flow, removed 2 selfloop flow, removed 3 redundant places. [2023-08-25 14:14:51,260 INFO L231 Difference]: Finished difference. Result has 36 places, 21 transitions, 97 flow [2023-08-25 14:14:51,260 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=219, PETRI_DIFFERENCE_MINUEND_FLOW=81, PETRI_DIFFERENCE_MINUEND_PLACES=31, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=21, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=17, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=97, PETRI_PLACES=36, PETRI_TRANSITIONS=21} [2023-08-25 14:14:51,261 INFO L281 CegarLoopForPetriNet]: 52 programPoint places, -16 predicate places. [2023-08-25 14:14:51,261 INFO L495 AbstractCegarLoop]: Abstraction has has 36 places, 21 transitions, 97 flow [2023-08-25 14:14:51,261 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 78.25) internal successors, (313), 4 states have internal predecessors, (313), 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 14:14:51,261 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-25 14:14:51,261 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-25 14:14:51,262 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-08-25 14:14:51,262 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONASSERT === [P0Err0ASSERT_VIOLATIONDATA_RACE, P0Err1ASSERT_VIOLATIONDATA_RACE, P0Err2ASSERT_VIOLATIONDATA_RACE, P0Err3ASSERT_VIOLATIONDATA_RACE (and 39 more)] === [2023-08-25 14:14:51,262 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-25 14:14:51,262 INFO L85 PathProgramCache]: Analyzing trace with hash 74138421, now seen corresponding path program 2 times [2023-08-25 14:14:51,262 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-25 14:14:51,262 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [166073947] [2023-08-25 14:14:51,263 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-25 14:14:51,263 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-25 14:14:51,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-25 14:14:51,343 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 14:14:51,344 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-25 14:14:51,344 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [166073947] [2023-08-25 14:14:51,344 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [166073947] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-25 14:14:51,344 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-25 14:14:51,344 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-25 14:14:51,344 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1191637261] [2023-08-25 14:14:51,344 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-25 14:14:51,344 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-25 14:14:51,345 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-25 14:14:51,345 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-25 14:14:51,345 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-25 14:14:51,345 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 76 out of 219 [2023-08-25 14:14:51,346 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 36 places, 21 transitions, 97 flow. Second operand has 3 states, 3 states have (on average 80.33333333333333) internal successors, (241), 3 states have internal predecessors, (241), 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 14:14:51,346 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-25 14:14:51,346 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 76 of 219 [2023-08-25 14:14:51,346 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-25 14:14:51,399 INFO L124 PetriNetUnfolderBase]: 205/378 cut-off events. [2023-08-25 14:14:51,399 INFO L125 PetriNetUnfolderBase]: For 498/498 co-relation queries the response was YES. [2023-08-25 14:14:51,400 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1063 conditions, 378 events. 205/378 cut-off events. For 498/498 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 1423 event pairs, 61 based on Foata normal form. 21/399 useless extension candidates. Maximal degree in co-relation 1054. Up to 294 conditions per place. [2023-08-25 14:14:51,402 INFO L140 encePairwiseOnDemand]: 214/219 looper letters, 30 selfloop transitions, 4 changer transitions 0/34 dead transitions. [2023-08-25 14:14:51,402 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 37 places, 34 transitions, 213 flow [2023-08-25 14:14:51,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-25 14:14:51,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-25 14:14:51,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 259 transitions. [2023-08-25 14:14:51,403 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.3942161339421613 [2023-08-25 14:14:51,403 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 259 transitions. [2023-08-25 14:14:51,403 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 259 transitions. [2023-08-25 14:14:51,404 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-25 14:14:51,404 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 259 transitions. [2023-08-25 14:14:51,404 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 86.33333333333333) internal successors, (259), 3 states have internal predecessors, (259), 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 14:14:51,405 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 219.0) internal successors, (876), 4 states have internal predecessors, (876), 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 14:14:51,406 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 219.0) internal successors, (876), 4 states have internal predecessors, (876), 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 14:14:51,406 INFO L175 Difference]: Start difference. First operand has 36 places, 21 transitions, 97 flow. Second operand 3 states and 259 transitions. [2023-08-25 14:14:51,406 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 37 places, 34 transitions, 213 flow [2023-08-25 14:14:51,408 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 34 places, 34 transitions, 199 flow, removed 1 selfloop flow, removed 3 redundant places. [2023-08-25 14:14:51,409 INFO L231 Difference]: Finished difference. Result has 35 places, 24 transitions, 113 flow [2023-08-25 14:14:51,409 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=219, PETRI_DIFFERENCE_MINUEND_FLOW=87, PETRI_DIFFERENCE_MINUEND_PLACES=32, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=21, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=17, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=113, PETRI_PLACES=35, PETRI_TRANSITIONS=24} [2023-08-25 14:14:51,409 INFO L281 CegarLoopForPetriNet]: 52 programPoint places, -17 predicate places. [2023-08-25 14:14:51,409 INFO L495 AbstractCegarLoop]: Abstraction has has 35 places, 24 transitions, 113 flow [2023-08-25 14:14:51,410 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 80.33333333333333) internal successors, (241), 3 states have internal predecessors, (241), 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 14:14:51,410 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-25 14:14:51,410 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-25 14:14:51,410 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-08-25 14:14:51,410 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONASSERT === [P0Err0ASSERT_VIOLATIONDATA_RACE, P0Err1ASSERT_VIOLATIONDATA_RACE, P0Err2ASSERT_VIOLATIONDATA_RACE, P0Err3ASSERT_VIOLATIONDATA_RACE (and 39 more)] === [2023-08-25 14:14:51,410 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-25 14:14:51,411 INFO L85 PathProgramCache]: Analyzing trace with hash 370877720, now seen corresponding path program 1 times [2023-08-25 14:14:51,411 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-25 14:14:51,411 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1530770956] [2023-08-25 14:14:51,411 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-25 14:14:51,411 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-25 14:14:51,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-25 14:14:51,514 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 14:14:51,514 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-25 14:14:51,514 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1530770956] [2023-08-25 14:14:51,514 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1530770956] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-25 14:14:51,515 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-25 14:14:51,515 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-08-25 14:14:51,515 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1109509996] [2023-08-25 14:14:51,515 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-25 14:14:51,516 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-08-25 14:14:51,516 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-25 14:14:51,516 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-08-25 14:14:51,516 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-08-25 14:14:51,517 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 76 out of 219 [2023-08-25 14:14:51,517 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 35 places, 24 transitions, 113 flow. Second operand has 4 states, 4 states have (on average 79.5) internal successors, (318), 4 states have internal predecessors, (318), 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 14:14:51,517 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-25 14:14:51,517 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 76 of 219 [2023-08-25 14:14:51,517 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-25 14:14:51,580 INFO L124 PetriNetUnfolderBase]: 138/276 cut-off events. [2023-08-25 14:14:51,580 INFO L125 PetriNetUnfolderBase]: For 227/227 co-relation queries the response was YES. [2023-08-25 14:14:51,581 INFO L83 FinitePrefix]: Finished finitePrefix Result has 907 conditions, 276 events. 138/276 cut-off events. For 227/227 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 1007 event pairs, 38 based on Foata normal form. 28/304 useless extension candidates. Maximal degree in co-relation 898. Up to 113 conditions per place. [2023-08-25 14:14:51,582 INFO L140 encePairwiseOnDemand]: 214/219 looper letters, 36 selfloop transitions, 7 changer transitions 0/43 dead transitions. [2023-08-25 14:14:51,582 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 38 places, 43 transitions, 274 flow [2023-08-25 14:14:51,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-08-25 14:14:51,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2023-08-25 14:14:51,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 344 transitions. [2023-08-25 14:14:51,584 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.3926940639269406 [2023-08-25 14:14:51,584 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 344 transitions. [2023-08-25 14:14:51,584 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 344 transitions. [2023-08-25 14:14:51,584 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-25 14:14:51,584 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 344 transitions. [2023-08-25 14:14:51,585 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 86.0) internal successors, (344), 4 states have internal predecessors, (344), 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 14:14:51,587 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 219.0) internal successors, (1095), 5 states have internal predecessors, (1095), 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 14:14:51,587 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 219.0) internal successors, (1095), 5 states have internal predecessors, (1095), 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 14:14:51,587 INFO L175 Difference]: Start difference. First operand has 35 places, 24 transitions, 113 flow. Second operand 4 states and 344 transitions. [2023-08-25 14:14:51,587 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 38 places, 43 transitions, 274 flow [2023-08-25 14:14:51,588 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 37 places, 43 transitions, 270 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-08-25 14:14:51,589 INFO L231 Difference]: Finished difference. Result has 38 places, 27 transitions, 149 flow [2023-08-25 14:14:51,589 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=219, PETRI_DIFFERENCE_MINUEND_FLOW=109, PETRI_DIFFERENCE_MINUEND_PLACES=34, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=24, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=17, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=149, PETRI_PLACES=38, PETRI_TRANSITIONS=27} [2023-08-25 14:14:51,590 INFO L281 CegarLoopForPetriNet]: 52 programPoint places, -14 predicate places. [2023-08-25 14:14:51,590 INFO L495 AbstractCegarLoop]: Abstraction has has 38 places, 27 transitions, 149 flow [2023-08-25 14:14:51,590 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 79.5) internal successors, (318), 4 states have internal predecessors, (318), 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 14:14:51,590 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-25 14:14:51,591 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-25 14:14:51,591 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-08-25 14:14:51,591 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONASSERT === [P0Err0ASSERT_VIOLATIONDATA_RACE, P0Err1ASSERT_VIOLATIONDATA_RACE, P0Err2ASSERT_VIOLATIONDATA_RACE, P0Err3ASSERT_VIOLATIONDATA_RACE (and 39 more)] === [2023-08-25 14:14:51,591 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-25 14:14:51,591 INFO L85 PathProgramCache]: Analyzing trace with hash -1387736792, now seen corresponding path program 1 times [2023-08-25 14:14:51,591 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-25 14:14:51,592 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1348516713] [2023-08-25 14:14:51,592 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-25 14:14:51,592 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-25 14:14:51,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-25 14:14:51,693 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 14:14:51,694 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-25 14:14:51,695 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1348516713] [2023-08-25 14:14:51,695 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1348516713] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-25 14:14:51,696 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-25 14:14:51,696 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-08-25 14:14:51,696 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1475426225] [2023-08-25 14:14:51,696 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-25 14:14:51,697 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-08-25 14:14:51,697 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-25 14:14:51,697 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-08-25 14:14:51,697 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2023-08-25 14:14:51,699 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 76 out of 219 [2023-08-25 14:14:51,699 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 38 places, 27 transitions, 149 flow. Second operand has 5 states, 5 states have (on average 79.0) internal successors, (395), 5 states have internal predecessors, (395), 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 14:14:51,699 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-25 14:14:51,699 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 76 of 219 [2023-08-25 14:14:51,700 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-25 14:14:51,760 INFO L124 PetriNetUnfolderBase]: 118/238 cut-off events. [2023-08-25 14:14:51,760 INFO L125 PetriNetUnfolderBase]: For 378/378 co-relation queries the response was YES. [2023-08-25 14:14:51,761 INFO L83 FinitePrefix]: Finished finitePrefix Result has 858 conditions, 238 events. 118/238 cut-off events. For 378/378 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 850 event pairs, 35 based on Foata normal form. 13/251 useless extension candidates. Maximal degree in co-relation 848. Up to 100 conditions per place. [2023-08-25 14:14:51,762 INFO L140 encePairwiseOnDemand]: 214/219 looper letters, 32 selfloop transitions, 10 changer transitions 0/42 dead transitions. [2023-08-25 14:14:51,762 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 42 places, 42 transitions, 292 flow [2023-08-25 14:14:51,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-08-25 14:14:51,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2023-08-25 14:14:51,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 420 transitions. [2023-08-25 14:14:51,765 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.3835616438356164 [2023-08-25 14:14:51,765 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 420 transitions. [2023-08-25 14:14:51,765 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 420 transitions. [2023-08-25 14:14:51,766 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-25 14:14:51,766 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 420 transitions. [2023-08-25 14:14:51,766 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 84.0) internal successors, (420), 5 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 14:14:51,768 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 219.0) internal successors, (1314), 6 states have internal predecessors, (1314), 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 14:14:51,768 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 219.0) internal successors, (1314), 6 states have internal predecessors, (1314), 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 14:14:51,768 INFO L175 Difference]: Start difference. First operand has 38 places, 27 transitions, 149 flow. Second operand 5 states and 420 transitions. [2023-08-25 14:14:51,769 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 42 places, 42 transitions, 292 flow [2023-08-25 14:14:51,770 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 39 places, 42 transitions, 268 flow, removed 6 selfloop flow, removed 3 redundant places. [2023-08-25 14:14:51,772 INFO L231 Difference]: Finished difference. Result has 40 places, 26 transitions, 151 flow [2023-08-25 14:14:51,772 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=219, PETRI_DIFFERENCE_MINUEND_FLOW=123, PETRI_DIFFERENCE_MINUEND_PLACES=35, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=26, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=16, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=151, PETRI_PLACES=40, PETRI_TRANSITIONS=26} [2023-08-25 14:14:51,773 INFO L281 CegarLoopForPetriNet]: 52 programPoint places, -12 predicate places. [2023-08-25 14:14:51,773 INFO L495 AbstractCegarLoop]: Abstraction has has 40 places, 26 transitions, 151 flow [2023-08-25 14:14:51,773 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 79.0) internal successors, (395), 5 states have internal predecessors, (395), 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 14:14:51,773 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-25 14:14:51,774 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-25 14:14:51,774 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-08-25 14:14:51,774 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONASSERT === [P0Err0ASSERT_VIOLATIONDATA_RACE, P0Err1ASSERT_VIOLATIONDATA_RACE, P0Err2ASSERT_VIOLATIONDATA_RACE, P0Err3ASSERT_VIOLATIONDATA_RACE (and 39 more)] === [2023-08-25 14:14:51,774 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-25 14:14:51,774 INFO L85 PathProgramCache]: Analyzing trace with hash -360284215, now seen corresponding path program 1 times [2023-08-25 14:14:51,774 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-25 14:14:51,774 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [347652522] [2023-08-25 14:14:51,774 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-25 14:14:51,775 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-25 14:14:51,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-25 14:14:51,833 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 14:14:51,833 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-25 14:14:51,834 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [347652522] [2023-08-25 14:14:51,834 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [347652522] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-25 14:14:51,834 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-25 14:14:51,834 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-08-25 14:14:51,834 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1015109592] [2023-08-25 14:14:51,834 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-25 14:14:51,834 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-08-25 14:14:51,834 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-25 14:14:51,835 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-08-25 14:14:51,835 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-08-25 14:14:51,835 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 75 out of 219 [2023-08-25 14:14:51,836 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 40 places, 26 transitions, 151 flow. Second operand has 4 states, 4 states have (on average 79.25) internal successors, (317), 4 states have internal predecessors, (317), 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 14:14:51,836 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-25 14:14:51,836 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 75 of 219 [2023-08-25 14:14:51,836 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-25 14:14:51,899 INFO L124 PetriNetUnfolderBase]: 144/295 cut-off events. [2023-08-25 14:14:51,900 INFO L125 PetriNetUnfolderBase]: For 574/574 co-relation queries the response was YES. [2023-08-25 14:14:51,900 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1105 conditions, 295 events. 144/295 cut-off events. For 574/574 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 1183 event pairs, 27 based on Foata normal form. 2/297 useless extension candidates. Maximal degree in co-relation 1095. Up to 140 conditions per place. [2023-08-25 14:14:51,901 INFO L140 encePairwiseOnDemand]: 216/219 looper letters, 25 selfloop transitions, 1 changer transitions 19/45 dead transitions. [2023-08-25 14:14:51,901 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 43 places, 45 transitions, 361 flow [2023-08-25 14:14:51,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-08-25 14:14:51,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2023-08-25 14:14:51,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 332 transitions. [2023-08-25 14:14:51,903 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.3789954337899543 [2023-08-25 14:14:51,903 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 332 transitions. [2023-08-25 14:14:51,903 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 332 transitions. [2023-08-25 14:14:51,903 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-25 14:14:51,903 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 332 transitions. [2023-08-25 14:14:51,904 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 83.0) internal successors, (332), 4 states have internal predecessors, (332), 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 14:14:51,905 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 219.0) internal successors, (1095), 5 states have internal predecessors, (1095), 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 14:14:51,906 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 219.0) internal successors, (1095), 5 states have internal predecessors, (1095), 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 14:14:51,906 INFO L175 Difference]: Start difference. First operand has 40 places, 26 transitions, 151 flow. Second operand 4 states and 332 transitions. [2023-08-25 14:14:51,906 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 43 places, 45 transitions, 361 flow [2023-08-25 14:14:51,908 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 40 places, 45 transitions, 309 flow, removed 12 selfloop flow, removed 3 redundant places. [2023-08-25 14:14:51,908 INFO L231 Difference]: Finished difference. Result has 42 places, 23 transitions, 116 flow [2023-08-25 14:14:51,909 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=219, PETRI_DIFFERENCE_MINUEND_FLOW=121, PETRI_DIFFERENCE_MINUEND_PLACES=37, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=25, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=24, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=116, PETRI_PLACES=42, PETRI_TRANSITIONS=23} [2023-08-25 14:14:51,909 INFO L281 CegarLoopForPetriNet]: 52 programPoint places, -10 predicate places. [2023-08-25 14:14:51,909 INFO L495 AbstractCegarLoop]: Abstraction has has 42 places, 23 transitions, 116 flow [2023-08-25 14:14:51,909 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 79.25) internal successors, (317), 4 states have internal predecessors, (317), 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 14:14:51,910 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-25 14:14:51,910 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-25 14:14:51,910 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-08-25 14:14:51,910 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONASSERT === [P0Err0ASSERT_VIOLATIONDATA_RACE, P0Err1ASSERT_VIOLATIONDATA_RACE, P0Err2ASSERT_VIOLATIONDATA_RACE, P0Err3ASSERT_VIOLATIONDATA_RACE (and 39 more)] === [2023-08-25 14:14:51,910 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-25 14:14:51,910 INFO L85 PathProgramCache]: Analyzing trace with hash -461650051, now seen corresponding path program 2 times [2023-08-25 14:14:51,910 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-25 14:14:51,911 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [112396156] [2023-08-25 14:14:51,911 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-25 14:14:51,911 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-25 14:14:51,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-25 14:14:51,950 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 14:14:51,950 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-25 14:14:51,951 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [112396156] [2023-08-25 14:14:51,951 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [112396156] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-25 14:14:51,951 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-25 14:14:51,951 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-25 14:14:51,951 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [513769790] [2023-08-25 14:14:51,951 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-25 14:14:51,951 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-25 14:14:51,952 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-25 14:14:51,952 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-25 14:14:51,952 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-25 14:14:51,953 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 76 out of 219 [2023-08-25 14:14:51,953 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 42 places, 23 transitions, 116 flow. Second operand has 3 states, 3 states have (on average 81.66666666666667) internal successors, (245), 3 states have internal predecessors, (245), 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 14:14:51,953 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-25 14:14:51,953 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 76 of 219 [2023-08-25 14:14:51,953 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-25 14:14:51,984 INFO L124 PetriNetUnfolderBase]: 59/129 cut-off events. [2023-08-25 14:14:51,984 INFO L125 PetriNetUnfolderBase]: For 179/179 co-relation queries the response was YES. [2023-08-25 14:14:51,984 INFO L83 FinitePrefix]: Finished finitePrefix Result has 469 conditions, 129 events. 59/129 cut-off events. For 179/179 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 353 event pairs, 32 based on Foata normal form. 1/130 useless extension candidates. Maximal degree in co-relation 457. Up to 70 conditions per place. [2023-08-25 14:14:51,985 INFO L140 encePairwiseOnDemand]: 217/219 looper letters, 0 selfloop transitions, 0 changer transitions 25/25 dead transitions. [2023-08-25 14:14:51,985 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 42 places, 25 transitions, 171 flow [2023-08-25 14:14:51,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-25 14:14:51,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-25 14:14:51,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 248 transitions. [2023-08-25 14:14:51,986 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.3774733637747336 [2023-08-25 14:14:51,986 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 248 transitions. [2023-08-25 14:14:51,987 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 248 transitions. [2023-08-25 14:14:51,987 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-25 14:14:51,987 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 248 transitions. [2023-08-25 14:14:51,987 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 82.66666666666667) internal successors, (248), 3 states have internal predecessors, (248), 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 14:14:51,990 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 219.0) internal successors, (876), 4 states have internal predecessors, (876), 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 14:14:51,990 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 219.0) internal successors, (876), 4 states have internal predecessors, (876), 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 14:14:51,990 INFO L175 Difference]: Start difference. First operand has 42 places, 23 transitions, 116 flow. Second operand 3 states and 248 transitions. [2023-08-25 14:14:51,991 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 42 places, 25 transitions, 171 flow [2023-08-25 14:14:51,992 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 38 places, 25 transitions, 162 flow, removed 1 selfloop flow, removed 4 redundant places. [2023-08-25 14:14:51,992 INFO L231 Difference]: Finished difference. Result has 38 places, 0 transitions, 0 flow [2023-08-25 14:14:51,992 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=219, PETRI_DIFFERENCE_MINUEND_FLOW=100, PETRI_DIFFERENCE_MINUEND_PLACES=36, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=22, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=22, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=38, PETRI_TRANSITIONS=0} [2023-08-25 14:14:51,993 INFO L281 CegarLoopForPetriNet]: 52 programPoint places, -14 predicate places. [2023-08-25 14:14:51,993 INFO L495 AbstractCegarLoop]: Abstraction has has 38 places, 0 transitions, 0 flow [2023-08-25 14:14:51,993 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 81.66666666666667) internal successors, (245), 3 states have internal predecessors, (245), 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 14:14:51,996 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONDATA_RACE (42 of 43 remaining) [2023-08-25 14:14:51,996 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONDATA_RACE (41 of 43 remaining) [2023-08-25 14:14:51,996 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err2ASSERT_VIOLATIONDATA_RACE (40 of 43 remaining) [2023-08-25 14:14:51,996 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err3ASSERT_VIOLATIONDATA_RACE (39 of 43 remaining) [2023-08-25 14:14:51,996 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err4ASSERT_VIOLATIONDATA_RACE (38 of 43 remaining) [2023-08-25 14:14:51,996 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONDATA_RACE (37 of 43 remaining) [2023-08-25 14:14:51,997 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONDATA_RACE (36 of 43 remaining) [2023-08-25 14:14:51,997 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err2ASSERT_VIOLATIONDATA_RACE (35 of 43 remaining) [2023-08-25 14:14:51,997 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err3ASSERT_VIOLATIONDATA_RACE (34 of 43 remaining) [2023-08-25 14:14:51,997 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONDATA_RACE (33 of 43 remaining) [2023-08-25 14:14:51,997 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONDATA_RACE (32 of 43 remaining) [2023-08-25 14:14:51,997 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err2ASSERT_VIOLATIONDATA_RACE (31 of 43 remaining) [2023-08-25 14:14:51,997 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err3ASSERT_VIOLATIONDATA_RACE (30 of 43 remaining) [2023-08-25 14:14:51,997 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err4ASSERT_VIOLATIONDATA_RACE (29 of 43 remaining) [2023-08-25 14:14:51,997 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err5ASSERT_VIOLATIONDATA_RACE (28 of 43 remaining) [2023-08-25 14:14:51,998 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (27 of 43 remaining) [2023-08-25 14:14:51,998 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (26 of 43 remaining) [2023-08-25 14:14:51,998 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (25 of 43 remaining) [2023-08-25 14:14:51,998 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (24 of 43 remaining) [2023-08-25 14:14:51,998 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (23 of 43 remaining) [2023-08-25 14:14:51,998 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (22 of 43 remaining) [2023-08-25 14:14:51,998 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (21 of 43 remaining) [2023-08-25 14:14:51,998 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (20 of 43 remaining) [2023-08-25 14:14:51,999 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (19 of 43 remaining) [2023-08-25 14:14:51,999 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONASSERT (18 of 43 remaining) [2023-08-25 14:14:51,999 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (17 of 43 remaining) [2023-08-25 14:14:51,999 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (16 of 43 remaining) [2023-08-25 14:14:51,999 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (15 of 43 remaining) [2023-08-25 14:14:51,999 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONDATA_RACE (14 of 43 remaining) [2023-08-25 14:14:52,000 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONDATA_RACE (13 of 43 remaining) [2023-08-25 14:14:52,000 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err2ASSERT_VIOLATIONDATA_RACE (12 of 43 remaining) [2023-08-25 14:14:52,000 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err3ASSERT_VIOLATIONDATA_RACE (11 of 43 remaining) [2023-08-25 14:14:52,000 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err4ASSERT_VIOLATIONDATA_RACE (10 of 43 remaining) [2023-08-25 14:14:52,000 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONDATA_RACE (9 of 43 remaining) [2023-08-25 14:14:52,000 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONDATA_RACE (8 of 43 remaining) [2023-08-25 14:14:52,000 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err2ASSERT_VIOLATIONDATA_RACE (7 of 43 remaining) [2023-08-25 14:14:52,000 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err3ASSERT_VIOLATIONDATA_RACE (6 of 43 remaining) [2023-08-25 14:14:52,000 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONDATA_RACE (5 of 43 remaining) [2023-08-25 14:14:52,001 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONDATA_RACE (4 of 43 remaining) [2023-08-25 14:14:52,001 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err2ASSERT_VIOLATIONDATA_RACE (3 of 43 remaining) [2023-08-25 14:14:52,001 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err3ASSERT_VIOLATIONDATA_RACE (2 of 43 remaining) [2023-08-25 14:14:52,001 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err4ASSERT_VIOLATIONDATA_RACE (1 of 43 remaining) [2023-08-25 14:14:52,001 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err5ASSERT_VIOLATIONDATA_RACE (0 of 43 remaining) [2023-08-25 14:14:52,001 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-08-25 14:14:52,001 INFO L445 BasicCegarLoop]: Path program histogram: [2, 2, 2, 1, 1, 1, 1, 1, 1] [2023-08-25 14:14:52,006 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-08-25 14:14:52,006 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-08-25 14:14:52,009 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.08 02:14:52 BasicIcfg [2023-08-25 14:14:52,010 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-08-25 14:14:52,010 INFO L158 Benchmark]: Toolchain (without parser) took 8115.98ms. Allocated memory was 385.9MB in the beginning and 543.2MB in the end (delta: 157.3MB). Free memory was 342.6MB in the beginning and 228.8MB in the end (delta: 113.8MB). Peak memory consumption was 273.2MB. Max. memory is 16.0GB. [2023-08-25 14:14:52,010 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 385.9MB. Free memory was 363.5MB in the beginning and 363.4MB in the end (delta: 91.6kB). There was no memory consumed. Max. memory is 16.0GB. [2023-08-25 14:14:52,010 INFO L158 Benchmark]: CACSL2BoogieTranslator took 521.20ms. Allocated memory is still 385.9MB. Free memory was 342.6MB in the beginning and 321.7MB in the end (delta: 21.0MB). Peak memory consumption was 18.9MB. Max. memory is 16.0GB. [2023-08-25 14:14:52,011 INFO L158 Benchmark]: Boogie Procedure Inliner took 61.47ms. Allocated memory is still 385.9MB. Free memory was 321.7MB in the beginning and 319.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. [2023-08-25 14:14:52,011 INFO L158 Benchmark]: Boogie Preprocessor took 34.90ms. Allocated memory is still 385.9MB. Free memory was 319.6MB in the beginning and 317.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. [2023-08-25 14:14:52,011 INFO L158 Benchmark]: RCFGBuilder took 582.14ms. Allocated memory is still 385.9MB. Free memory was 317.5MB in the beginning and 285.0MB in the end (delta: 32.5MB). Peak memory consumption was 33.6MB. Max. memory is 16.0GB. [2023-08-25 14:14:52,011 INFO L158 Benchmark]: TraceAbstraction took 6910.42ms. Allocated memory was 385.9MB in the beginning and 543.2MB in the end (delta: 157.3MB). Free memory was 285.0MB in the beginning and 228.8MB in the end (delta: 56.1MB). Peak memory consumption was 216.6MB. Max. memory is 16.0GB. [2023-08-25 14:14:52,012 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 385.9MB. Free memory was 363.5MB in the beginning and 363.4MB in the end (delta: 91.6kB). There was no memory consumed. Max. memory is 16.0GB. * CACSL2BoogieTranslator took 521.20ms. Allocated memory is still 385.9MB. Free memory was 342.6MB in the beginning and 321.7MB in the end (delta: 21.0MB). Peak memory consumption was 18.9MB. Max. memory is 16.0GB. * Boogie Procedure Inliner took 61.47ms. Allocated memory is still 385.9MB. Free memory was 321.7MB in the beginning and 319.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. * Boogie Preprocessor took 34.90ms. Allocated memory is still 385.9MB. Free memory was 319.6MB in the beginning and 317.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. * RCFGBuilder took 582.14ms. Allocated memory is still 385.9MB. Free memory was 317.5MB in the beginning and 285.0MB in the end (delta: 32.5MB). Peak memory consumption was 33.6MB. Max. memory is 16.0GB. * TraceAbstraction took 6910.42ms. Allocated memory was 385.9MB in the beginning and 543.2MB in the end (delta: 157.3MB). Free memory was 285.0MB in the beginning and 228.8MB in the end (delta: 56.1MB). Peak memory consumption was 216.6MB. Max. memory is 16.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 267]: Unsoundness Warning unspecified type, defaulting to int C: short [267] - GenericResultAtLocation [Line: 267]: Unsoundness Warning unspecified type, defaulting to int C: short [267] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 4.4s, 121 PlacesBefore, 52 PlacesAfterwards, 114 TransitionsBefore, 42 TransitionsAfterwards, 4142 CoEnabledTransitionPairs, 7 FixpointIterations, 20 TrivialSequentialCompositions, 66 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 13 ConcurrentYvCompositions, 3 ChoiceCompositions, 102 TotalNumberOfCompositions, 15972 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 6259, independent: 5934, independent conditional: 0, independent unconditional: 5934, dependent: 325, dependent conditional: 0, dependent unconditional: 325, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 2304, independent: 2225, independent conditional: 0, independent unconditional: 2225, dependent: 79, dependent conditional: 0, dependent unconditional: 79, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 6259, independent: 3709, independent conditional: 0, independent unconditional: 3709, dependent: 246, dependent conditional: 0, dependent unconditional: 246, unknown: 2304, unknown conditional: 0, unknown unconditional: 2304] , Statistics on independence cache: Total cache size (in pairs): 354, Positive cache size: 327, Positive conditional cache size: 0, Positive unconditional cache size: 327, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - PositiveResult [Line: 725]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 730]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 730]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 735]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 735]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 742]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 745]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 750]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 750]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 757]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 757]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 760]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 760]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 765]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 765]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 787]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 787]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 789]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 793]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 793]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 793]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 793]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 793]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 795]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 17]: 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 7 procedures, 154 locations, 43 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: 6.8s, OverallIterations: 12, TraceHistogramMax: 1, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 1.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 4.5s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 133 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 133 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 10 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 518 IncrementalHoareTripleChecker+Invalid, 528 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 10 mSolverCounterUnsat, 0 mSDtfsCounter, 518 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 31 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=151occurred in iteration=10, InterpolantAutomatonStates: 43, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 141 NumberOfCodeBlocks, 141 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 129 ConstructedInterpolants, 0 QuantifiedInterpolants, 319 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 12 InterpolantComputations, 12 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 25 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-08-25 14:14:52,032 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...