/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.when.to.check.the.insufficient.erros.location.relative.to.the.other.error.locations BEFORE -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-ext/45_monabsex1_vs.i -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-b8dbc81 [2023-01-28 00:28:46,689 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-01-28 00:28:46,690 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-01-28 00:28:46,711 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2023-01-28 00:28:46,718 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-01-28 00:28:46,721 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-01-28 00:28:46,722 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-01-28 00:28:46,722 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-01-28 00:28:46,723 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-01-28 00:28:46,723 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-01-28 00:28:46,724 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-01-28 00:28:46,725 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-01-28 00:28:46,726 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-01-28 00:28:46,727 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-01-28 00:28:46,727 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-01-28 00:28:46,728 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-01-28 00:28:46,730 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2023-01-28 00:28:46,734 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-01-28 00:28:46,734 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-01-28 00:28:46,735 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-01-28 00:28:46,735 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-VariableLbe.epf [2023-01-28 00:28:46,748 INFO L113 SettingsManager]: Loading preferences was successful [2023-01-28 00:28:46,748 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-01-28 00:28:46,749 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-01-28 00:28:46,749 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-01-28 00:28:46,749 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-01-28 00:28:46,749 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-01-28 00:28:46,750 INFO L138 SettingsManager]: * Use SBE=true [2023-01-28 00:28:46,750 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-01-28 00:28:46,750 INFO L138 SettingsManager]: * sizeof long=4 [2023-01-28 00:28:46,750 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-01-28 00:28:46,750 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-01-28 00:28:46,750 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-01-28 00:28:46,750 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-01-28 00:28:46,750 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-01-28 00:28:46,751 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-01-28 00:28:46,751 INFO L138 SettingsManager]: * sizeof long double=12 [2023-01-28 00:28:46,751 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-01-28 00:28:46,751 INFO L138 SettingsManager]: * Use constant arrays=true [2023-01-28 00:28:46,751 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-01-28 00:28:46,751 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-01-28 00:28:46,751 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-01-28 00:28:46,751 INFO L138 SettingsManager]: * To the following directory=./dump/ [2023-01-28 00:28:46,751 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-01-28 00:28:46,752 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-01-28 00:28:46,752 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-01-28 00:28:46,752 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-01-28 00:28:46,752 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-01-28 00:28:46,752 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-01-28 00:28:46,752 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-01-28 00:28:46,752 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-01-28 00:28:46,752 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-01-28 00:28:46,752 INFO L138 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> BEFORE [2023-01-28 00:28:46,920 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-01-28 00:28:46,934 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-01-28 00:28:46,936 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-01-28 00:28:46,937 INFO L271 PluginConnector]: Initializing CDTParser... [2023-01-28 00:28:46,938 INFO L275 PluginConnector]: CDTParser initialized [2023-01-28 00:28:46,939 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-ext/45_monabsex1_vs.i [2023-01-28 00:28:47,831 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-01-28 00:28:48,003 INFO L351 CDTParser]: Found 1 translation units. [2023-01-28 00:28:48,003 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-ext/45_monabsex1_vs.i [2023-01-28 00:28:48,010 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1dab4df9b/778624663c11438cae7c8354023eb33f/FLAG053333176 [2023-01-28 00:28:48,022 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1dab4df9b/778624663c11438cae7c8354023eb33f [2023-01-28 00:28:48,024 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-01-28 00:28:48,025 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2023-01-28 00:28:48,025 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-01-28 00:28:48,025 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-01-28 00:28:48,029 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-01-28 00:28:48,029 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.01 12:28:48" (1/1) ... [2023-01-28 00:28:48,030 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5c6dd433 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 12:28:48, skipping insertion in model container [2023-01-28 00:28:48,030 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.01 12:28:48" (1/1) ... [2023-01-28 00:28:48,035 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-01-28 00:28:48,070 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-01-28 00:28:48,194 WARN L633 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-01-28 00:28:48,304 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-ext/45_monabsex1_vs.i[30633,30646] [2023-01-28 00:28:48,310 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-01-28 00:28:48,317 INFO L203 MainTranslator]: Completed pre-run [2023-01-28 00:28:48,333 WARN L633 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-01-28 00:28:48,348 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-ext/45_monabsex1_vs.i[30633,30646] [2023-01-28 00:28:48,352 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-01-28 00:28:48,371 WARN L667 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-01-28 00:28:48,372 WARN L667 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-01-28 00:28:48,372 WARN L667 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-01-28 00:28:48,376 INFO L208 MainTranslator]: Completed translation [2023-01-28 00:28:48,376 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 12:28:48 WrapperNode [2023-01-28 00:28:48,376 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-01-28 00:28:48,377 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-01-28 00:28:48,377 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-01-28 00:28:48,378 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-01-28 00:28:48,382 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 12:28:48" (1/1) ... [2023-01-28 00:28:48,403 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 12:28:48" (1/1) ... [2023-01-28 00:28:48,417 INFO L138 Inliner]: procedures = 171, calls = 15, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 27 [2023-01-28 00:28:48,417 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-01-28 00:28:48,418 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-01-28 00:28:48,418 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-01-28 00:28:48,418 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-01-28 00:28:48,424 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 12:28:48" (1/1) ... [2023-01-28 00:28:48,424 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 12:28:48" (1/1) ... [2023-01-28 00:28:48,428 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 12:28:48" (1/1) ... [2023-01-28 00:28:48,428 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 12:28:48" (1/1) ... [2023-01-28 00:28:48,437 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 12:28:48" (1/1) ... [2023-01-28 00:28:48,440 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 12:28:48" (1/1) ... [2023-01-28 00:28:48,444 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 12:28:48" (1/1) ... [2023-01-28 00:28:48,445 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 12:28:48" (1/1) ... [2023-01-28 00:28:48,449 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-01-28 00:28:48,450 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-01-28 00:28:48,450 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-01-28 00:28:48,452 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-01-28 00:28:48,452 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 12:28:48" (1/1) ... [2023-01-28 00:28:48,456 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-01-28 00:28:48,463 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-01-28 00:28:48,473 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) [2023-01-28 00:28:48,492 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 [2023-01-28 00:28:48,502 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2023-01-28 00:28:48,503 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2023-01-28 00:28:48,503 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-01-28 00:28:48,503 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-01-28 00:28:48,503 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-01-28 00:28:48,503 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-01-28 00:28:48,503 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-01-28 00:28:48,503 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-01-28 00:28:48,503 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-01-28 00:28:48,503 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-01-28 00:28:48,503 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-01-28 00:28:48,504 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-01-28 00:28:48,597 INFO L236 CfgBuilder]: Building ICFG [2023-01-28 00:28:48,599 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-01-28 00:28:48,712 INFO L277 CfgBuilder]: Performing block encoding [2023-01-28 00:28:48,722 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-01-28 00:28:48,722 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-01-28 00:28:48,723 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.01 12:28:48 BoogieIcfgContainer [2023-01-28 00:28:48,723 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-01-28 00:28:48,725 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-01-28 00:28:48,725 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-01-28 00:28:48,727 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-01-28 00:28:48,727 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.01 12:28:48" (1/3) ... [2023-01-28 00:28:48,727 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@60018526 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.01 12:28:48, skipping insertion in model container [2023-01-28 00:28:48,727 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 12:28:48" (2/3) ... [2023-01-28 00:28:48,728 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@60018526 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.01 12:28:48, skipping insertion in model container [2023-01-28 00:28:48,728 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.01 12:28:48" (3/3) ... [2023-01-28 00:28:48,728 INFO L112 eAbstractionObserver]: Analyzing ICFG 45_monabsex1_vs.i [2023-01-28 00:28:48,739 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-01-28 00:28:48,740 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-01-28 00:28:48,740 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-01-28 00:28:48,764 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-01-28 00:28:48,795 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 42 places, 40 transitions, 85 flow [2023-01-28 00:28:48,813 INFO L130 PetriNetUnfolder]: 2/50 cut-off events. [2023-01-28 00:28:48,814 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-01-28 00:28:48,817 INFO L83 FinitePrefix]: Finished finitePrefix Result has 55 conditions, 50 events. 2/50 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 47 event pairs, 0 based on Foata normal form. 0/45 useless extension candidates. Maximal degree in co-relation 25. Up to 4 conditions per place. [2023-01-28 00:28:48,817 INFO L82 GeneralOperation]: Start removeDead. Operand has 42 places, 40 transitions, 85 flow [2023-01-28 00:28:48,819 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 37 places, 34 transitions, 73 flow [2023-01-28 00:28:48,821 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-01-28 00:28:48,827 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 37 places, 34 transitions, 73 flow [2023-01-28 00:28:48,829 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 37 places, 34 transitions, 73 flow [2023-01-28 00:28:48,829 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 37 places, 34 transitions, 73 flow [2023-01-28 00:28:48,837 INFO L130 PetriNetUnfolder]: 0/38 cut-off events. [2023-01-28 00:28:48,837 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-01-28 00:28:48,837 INFO L83 FinitePrefix]: Finished finitePrefix Result has 43 conditions, 38 events. 0/38 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 16 event pairs, 0 based on Foata normal form. 0/37 useless extension candidates. Maximal degree in co-relation 0. Up to 2 conditions per place. [2023-01-28 00:28:48,837 INFO L119 LiptonReduction]: Number of co-enabled transitions 154 [2023-01-28 00:28:49,867 INFO L134 LiptonReduction]: Checked pairs total: 140 [2023-01-28 00:28:49,867 INFO L136 LiptonReduction]: Total number of compositions: 35 [2023-01-28 00:28:49,881 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == InUseError ======== [2023-01-28 00:28:49,885 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;@47cf2852, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-01-28 00:28:49,885 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-01-28 00:28:49,887 INFO L130 PetriNetUnfolder]: 0/5 cut-off events. [2023-01-28 00:28:49,887 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-01-28 00:28:49,887 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-01-28 00:28:49,888 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1] [2023-01-28 00:28:49,888 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-01-28 00:28:49,894 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-01-28 00:28:49,894 INFO L85 PathProgramCache]: Analyzing trace with hash 5445696, now seen corresponding path program 1 times [2023-01-28 00:28:49,901 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-01-28 00:28:49,901 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [756577487] [2023-01-28 00:28:49,901 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-28 00:28:49,902 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-01-28 00:28:49,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-01-28 00:28:49,967 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-01-28 00:28:49,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-01-28 00:28:50,008 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-01-28 00:28:50,009 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-01-28 00:28:50,010 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 1 remaining) [2023-01-28 00:28:50,011 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-01-28 00:28:50,011 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-01-28 00:28:50,013 INFO L307 ceAbstractionStarter]: Result for error location InUseError was UNSAFE (1/2) [2023-01-28 00:28:50,014 WARN L233 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2023-01-28 00:28:50,014 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2023-01-28 00:28:50,025 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-01-28 00:28:50,027 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 56 places, 52 transitions, 116 flow [2023-01-28 00:28:50,038 INFO L130 PetriNetUnfolder]: 3/74 cut-off events. [2023-01-28 00:28:50,039 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2023-01-28 00:28:50,039 INFO L83 FinitePrefix]: Finished finitePrefix Result has 84 conditions, 74 events. 3/74 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 99 event pairs, 0 based on Foata normal form. 0/66 useless extension candidates. Maximal degree in co-relation 51. Up to 6 conditions per place. [2023-01-28 00:28:50,040 INFO L82 GeneralOperation]: Start removeDead. Operand has 56 places, 52 transitions, 116 flow [2023-01-28 00:28:50,040 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 51 places, 46 transitions, 104 flow [2023-01-28 00:28:50,040 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-01-28 00:28:50,040 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 51 places, 46 transitions, 104 flow [2023-01-28 00:28:50,041 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 51 places, 46 transitions, 104 flow [2023-01-28 00:28:50,041 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 51 places, 46 transitions, 104 flow [2023-01-28 00:28:50,048 INFO L130 PetriNetUnfolder]: 0/56 cut-off events. [2023-01-28 00:28:50,048 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2023-01-28 00:28:50,048 INFO L83 FinitePrefix]: Finished finitePrefix Result has 66 conditions, 56 events. 0/56 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 46 event pairs, 0 based on Foata normal form. 0/54 useless extension candidates. Maximal degree in co-relation 0. Up to 3 conditions per place. [2023-01-28 00:28:50,049 INFO L119 LiptonReduction]: Number of co-enabled transitions 572 [2023-01-28 00:28:50,973 INFO L134 LiptonReduction]: Checked pairs total: 898 [2023-01-28 00:28:50,974 INFO L136 LiptonReduction]: Total number of compositions: 37 [2023-01-28 00:28:50,975 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == InUseError ======== [2023-01-28 00:28:50,976 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;@47cf2852, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-01-28 00:28:50,976 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-01-28 00:28:50,981 INFO L130 PetriNetUnfolder]: 0/13 cut-off events. [2023-01-28 00:28:50,981 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2023-01-28 00:28:50,981 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-01-28 00:28:50,981 INFO L208 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1] [2023-01-28 00:28:50,981 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-01-28 00:28:50,981 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-01-28 00:28:50,981 INFO L85 PathProgramCache]: Analyzing trace with hash -2122319815, now seen corresponding path program 1 times [2023-01-28 00:28:50,982 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-01-28 00:28:50,982 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1646575692] [2023-01-28 00:28:50,982 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-28 00:28:50,982 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-01-28 00:28:50,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-01-28 00:28:50,997 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-01-28 00:28:51,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-01-28 00:28:51,008 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-01-28 00:28:51,009 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-01-28 00:28:51,009 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 1 remaining) [2023-01-28 00:28:51,009 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-01-28 00:28:51,009 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-01-28 00:28:51,009 INFO L307 ceAbstractionStarter]: Result for error location InUseError was UNSAFE (1/2) [2023-01-28 00:28:51,010 WARN L233 ceAbstractionStarter]: 2 thread instances were not sufficient, I will increase this number and restart the analysis [2023-01-28 00:28:51,010 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 3 thread instances. [2023-01-28 00:28:51,018 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-01-28 00:28:51,020 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 70 places, 64 transitions, 149 flow [2023-01-28 00:28:51,030 INFO L130 PetriNetUnfolder]: 4/98 cut-off events. [2023-01-28 00:28:51,031 INFO L131 PetriNetUnfolder]: For 7/7 co-relation queries the response was YES. [2023-01-28 00:28:51,032 INFO L83 FinitePrefix]: Finished finitePrefix Result has 114 conditions, 98 events. 4/98 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 149 event pairs, 0 based on Foata normal form. 0/87 useless extension candidates. Maximal degree in co-relation 78. Up to 8 conditions per place. [2023-01-28 00:28:51,032 INFO L82 GeneralOperation]: Start removeDead. Operand has 70 places, 64 transitions, 149 flow [2023-01-28 00:28:51,032 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 65 places, 58 transitions, 137 flow [2023-01-28 00:28:51,032 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-01-28 00:28:51,032 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 65 places, 58 transitions, 137 flow [2023-01-28 00:28:51,033 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 65 places, 58 transitions, 137 flow [2023-01-28 00:28:51,033 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 65 places, 58 transitions, 137 flow [2023-01-28 00:28:51,044 INFO L130 PetriNetUnfolder]: 0/74 cut-off events. [2023-01-28 00:28:51,044 INFO L131 PetriNetUnfolder]: For 7/7 co-relation queries the response was YES. [2023-01-28 00:28:51,044 INFO L83 FinitePrefix]: Finished finitePrefix Result has 90 conditions, 74 events. 0/74 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 74 event pairs, 0 based on Foata normal form. 0/71 useless extension candidates. Maximal degree in co-relation 0. Up to 4 conditions per place. [2023-01-28 00:28:51,045 INFO L119 LiptonReduction]: Number of co-enabled transitions 1254 [2023-01-28 00:28:51,980 INFO L134 LiptonReduction]: Checked pairs total: 2000 [2023-01-28 00:28:51,980 INFO L136 LiptonReduction]: Total number of compositions: 45 [2023-01-28 00:28:51,981 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == InUseError ======== [2023-01-28 00:28:51,982 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;@47cf2852, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-01-28 00:28:51,982 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-01-28 00:28:51,985 INFO L130 PetriNetUnfolder]: 0/19 cut-off events. [2023-01-28 00:28:51,985 INFO L131 PetriNetUnfolder]: For 7/7 co-relation queries the response was YES. [2023-01-28 00:28:51,985 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-01-28 00:28:51,985 INFO L208 CegarLoopForPetriNet]: trace histogram [3, 3, 1, 1, 1, 1, 1] [2023-01-28 00:28:51,985 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-01-28 00:28:51,985 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-01-28 00:28:51,985 INFO L85 PathProgramCache]: Analyzing trace with hash -1147924095, now seen corresponding path program 1 times [2023-01-28 00:28:51,986 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-01-28 00:28:51,986 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1672356880] [2023-01-28 00:28:51,986 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-28 00:28:51,986 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-01-28 00:28:52,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-01-28 00:28:52,001 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-01-28 00:28:52,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-01-28 00:28:52,013 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-01-28 00:28:52,014 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-01-28 00:28:52,014 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 1 remaining) [2023-01-28 00:28:52,014 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-01-28 00:28:52,014 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-01-28 00:28:52,015 INFO L307 ceAbstractionStarter]: Result for error location InUseError was UNSAFE (1/2) [2023-01-28 00:28:52,015 WARN L233 ceAbstractionStarter]: 3 thread instances were not sufficient, I will increase this number and restart the analysis [2023-01-28 00:28:52,015 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 4 thread instances. [2023-01-28 00:28:52,025 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-01-28 00:28:52,027 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 84 places, 76 transitions, 184 flow [2023-01-28 00:28:52,038 INFO L130 PetriNetUnfolder]: 5/122 cut-off events. [2023-01-28 00:28:52,038 INFO L131 PetriNetUnfolder]: For 16/16 co-relation queries the response was YES. [2023-01-28 00:28:52,039 INFO L83 FinitePrefix]: Finished finitePrefix Result has 145 conditions, 122 events. 5/122 cut-off events. For 16/16 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 205 event pairs, 0 based on Foata normal form. 0/108 useless extension candidates. Maximal degree in co-relation 106. Up to 10 conditions per place. [2023-01-28 00:28:52,039 INFO L82 GeneralOperation]: Start removeDead. Operand has 84 places, 76 transitions, 184 flow [2023-01-28 00:28:52,039 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 79 places, 70 transitions, 172 flow [2023-01-28 00:28:52,039 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-01-28 00:28:52,039 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 79 places, 70 transitions, 172 flow [2023-01-28 00:28:52,040 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 79 places, 70 transitions, 172 flow [2023-01-28 00:28:52,040 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 79 places, 70 transitions, 172 flow [2023-01-28 00:28:52,047 INFO L130 PetriNetUnfolder]: 0/92 cut-off events. [2023-01-28 00:28:52,047 INFO L131 PetriNetUnfolder]: For 16/16 co-relation queries the response was YES. [2023-01-28 00:28:52,047 INFO L83 FinitePrefix]: Finished finitePrefix Result has 115 conditions, 92 events. 0/92 cut-off events. For 16/16 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 106 event pairs, 0 based on Foata normal form. 0/88 useless extension candidates. Maximal degree in co-relation 0. Up to 5 conditions per place. [2023-01-28 00:28:52,048 INFO L119 LiptonReduction]: Number of co-enabled transitions 2200 [2023-01-28 00:28:53,090 INFO L134 LiptonReduction]: Checked pairs total: 3509 [2023-01-28 00:28:53,090 INFO L136 LiptonReduction]: Total number of compositions: 53 [2023-01-28 00:28:53,091 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == InUseError ======== [2023-01-28 00:28:53,092 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;@47cf2852, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-01-28 00:28:53,092 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-01-28 00:28:53,108 INFO L130 PetriNetUnfolder]: 0/25 cut-off events. [2023-01-28 00:28:53,108 INFO L131 PetriNetUnfolder]: For 16/16 co-relation queries the response was YES. [2023-01-28 00:28:53,108 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-01-28 00:28:53,108 INFO L208 CegarLoopForPetriNet]: trace histogram [4, 4, 1, 1, 1, 1, 1, 1] [2023-01-28 00:28:53,108 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-01-28 00:28:53,109 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-01-28 00:28:53,109 INFO L85 PathProgramCache]: Analyzing trace with hash 648710502, now seen corresponding path program 1 times [2023-01-28 00:28:53,109 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-01-28 00:28:53,109 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [964907018] [2023-01-28 00:28:53,109 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-28 00:28:53,110 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-01-28 00:28:53,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-01-28 00:28:53,134 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-01-28 00:28:53,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-01-28 00:28:53,147 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-01-28 00:28:53,147 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-01-28 00:28:53,147 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 1 remaining) [2023-01-28 00:28:53,147 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-01-28 00:28:53,147 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-01-28 00:28:53,148 INFO L307 ceAbstractionStarter]: Result for error location InUseError was UNSAFE (1/2) [2023-01-28 00:28:53,148 WARN L233 ceAbstractionStarter]: 4 thread instances were not sufficient, I will increase this number and restart the analysis [2023-01-28 00:28:53,148 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 5 thread instances. [2023-01-28 00:28:53,158 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-01-28 00:28:53,159 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 98 places, 88 transitions, 221 flow [2023-01-28 00:28:53,167 INFO L130 PetriNetUnfolder]: 6/146 cut-off events. [2023-01-28 00:28:53,168 INFO L131 PetriNetUnfolder]: For 30/30 co-relation queries the response was YES. [2023-01-28 00:28:53,168 INFO L83 FinitePrefix]: Finished finitePrefix Result has 177 conditions, 146 events. 6/146 cut-off events. For 30/30 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 260 event pairs, 0 based on Foata normal form. 0/129 useless extension candidates. Maximal degree in co-relation 135. Up to 12 conditions per place. [2023-01-28 00:28:53,168 INFO L82 GeneralOperation]: Start removeDead. Operand has 98 places, 88 transitions, 221 flow [2023-01-28 00:28:53,169 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 93 places, 82 transitions, 209 flow [2023-01-28 00:28:53,169 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-01-28 00:28:53,169 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 93 places, 82 transitions, 209 flow [2023-01-28 00:28:53,169 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 93 places, 82 transitions, 209 flow [2023-01-28 00:28:53,169 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 93 places, 82 transitions, 209 flow [2023-01-28 00:28:53,176 INFO L130 PetriNetUnfolder]: 0/110 cut-off events. [2023-01-28 00:28:53,176 INFO L131 PetriNetUnfolder]: For 30/30 co-relation queries the response was YES. [2023-01-28 00:28:53,176 INFO L83 FinitePrefix]: Finished finitePrefix Result has 141 conditions, 110 events. 0/110 cut-off events. For 30/30 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 139 event pairs, 0 based on Foata normal form. 0/105 useless extension candidates. Maximal degree in co-relation 0. Up to 6 conditions per place. [2023-01-28 00:28:53,177 INFO L119 LiptonReduction]: Number of co-enabled transitions 3410 [2023-01-28 00:28:54,271 INFO L134 LiptonReduction]: Checked pairs total: 5066 [2023-01-28 00:28:54,271 INFO L136 LiptonReduction]: Total number of compositions: 61 [2023-01-28 00:28:54,272 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == InUseError ======== [2023-01-28 00:28:54,273 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;@47cf2852, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-01-28 00:28:54,273 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-01-28 00:28:54,275 INFO L130 PetriNetUnfolder]: 0/31 cut-off events. [2023-01-28 00:28:54,276 INFO L131 PetriNetUnfolder]: For 30/30 co-relation queries the response was YES. [2023-01-28 00:28:54,276 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-01-28 00:28:54,276 INFO L208 CegarLoopForPetriNet]: trace histogram [5, 5, 1, 1, 1, 1, 1, 1, 1] [2023-01-28 00:28:54,276 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-01-28 00:28:54,276 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-01-28 00:28:54,276 INFO L85 PathProgramCache]: Analyzing trace with hash -545520245, now seen corresponding path program 1 times [2023-01-28 00:28:54,276 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-01-28 00:28:54,276 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1067764828] [2023-01-28 00:28:54,276 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-28 00:28:54,277 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-01-28 00:28:54,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-01-28 00:28:54,293 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-01-28 00:28:54,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-01-28 00:28:54,310 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-01-28 00:28:54,311 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-01-28 00:28:54,311 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 1 remaining) [2023-01-28 00:28:54,312 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-01-28 00:28:54,312 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-01-28 00:28:54,312 INFO L307 ceAbstractionStarter]: Result for error location InUseError was UNSAFE (1/2) [2023-01-28 00:28:54,313 WARN L233 ceAbstractionStarter]: 5 thread instances were not sufficient, I will increase this number and restart the analysis [2023-01-28 00:28:54,313 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 6 thread instances. [2023-01-28 00:28:54,331 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-01-28 00:28:54,334 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 112 places, 100 transitions, 260 flow [2023-01-28 00:28:54,350 INFO L130 PetriNetUnfolder]: 7/170 cut-off events. [2023-01-28 00:28:54,350 INFO L131 PetriNetUnfolder]: For 50/50 co-relation queries the response was YES. [2023-01-28 00:28:54,352 INFO L83 FinitePrefix]: Finished finitePrefix Result has 210 conditions, 170 events. 7/170 cut-off events. For 50/50 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 310 event pairs, 0 based on Foata normal form. 0/150 useless extension candidates. Maximal degree in co-relation 165. Up to 14 conditions per place. [2023-01-28 00:28:54,353 INFO L82 GeneralOperation]: Start removeDead. Operand has 112 places, 100 transitions, 260 flow [2023-01-28 00:28:54,354 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 107 places, 94 transitions, 248 flow [2023-01-28 00:28:54,356 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-01-28 00:28:54,356 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 107 places, 94 transitions, 248 flow [2023-01-28 00:28:54,360 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 107 places, 94 transitions, 248 flow [2023-01-28 00:28:54,360 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 107 places, 94 transitions, 248 flow [2023-01-28 00:28:54,368 INFO L130 PetriNetUnfolder]: 0/128 cut-off events. [2023-01-28 00:28:54,368 INFO L131 PetriNetUnfolder]: For 50/50 co-relation queries the response was YES. [2023-01-28 00:28:54,369 INFO L83 FinitePrefix]: Finished finitePrefix Result has 168 conditions, 128 events. 0/128 cut-off events. For 50/50 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 158 event pairs, 0 based on Foata normal form. 0/122 useless extension candidates. Maximal degree in co-relation 0. Up to 7 conditions per place. [2023-01-28 00:28:54,371 INFO L119 LiptonReduction]: Number of co-enabled transitions 4884 [2023-01-28 00:28:55,637 INFO L134 LiptonReduction]: Checked pairs total: 7171 [2023-01-28 00:28:55,637 INFO L136 LiptonReduction]: Total number of compositions: 69 [2023-01-28 00:28:55,638 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == InUseError ======== [2023-01-28 00:28:55,638 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;@47cf2852, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-01-28 00:28:55,639 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-01-28 00:28:55,642 INFO L130 PetriNetUnfolder]: 0/37 cut-off events. [2023-01-28 00:28:55,642 INFO L131 PetriNetUnfolder]: For 50/50 co-relation queries the response was YES. [2023-01-28 00:28:55,642 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-01-28 00:28:55,643 INFO L208 CegarLoopForPetriNet]: trace histogram [6, 6, 1, 1, 1, 1, 1, 1, 1, 1] [2023-01-28 00:28:55,643 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-01-28 00:28:55,643 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-01-28 00:28:55,643 INFO L85 PathProgramCache]: Analyzing trace with hash -2042940141, now seen corresponding path program 1 times [2023-01-28 00:28:55,643 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-01-28 00:28:55,643 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1176759331] [2023-01-28 00:28:55,643 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-28 00:28:55,643 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-01-28 00:28:55,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-01-28 00:28:55,669 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-01-28 00:28:55,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-01-28 00:28:55,689 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-01-28 00:28:55,689 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-01-28 00:28:55,689 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 1 remaining) [2023-01-28 00:28:55,689 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-01-28 00:28:55,690 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-01-28 00:28:55,690 INFO L307 ceAbstractionStarter]: Result for error location InUseError was UNSAFE (1/2) [2023-01-28 00:28:55,690 WARN L233 ceAbstractionStarter]: 6 thread instances were not sufficient, I will increase this number and restart the analysis [2023-01-28 00:28:55,690 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 7 thread instances. [2023-01-28 00:28:55,701 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-01-28 00:28:55,702 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 126 places, 112 transitions, 301 flow [2023-01-28 00:28:55,713 INFO L130 PetriNetUnfolder]: 8/194 cut-off events. [2023-01-28 00:28:55,713 INFO L131 PetriNetUnfolder]: For 77/77 co-relation queries the response was YES. [2023-01-28 00:28:55,714 INFO L83 FinitePrefix]: Finished finitePrefix Result has 244 conditions, 194 events. 8/194 cut-off events. For 77/77 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 386 event pairs, 0 based on Foata normal form. 0/171 useless extension candidates. Maximal degree in co-relation 197. Up to 16 conditions per place. [2023-01-28 00:28:55,714 INFO L82 GeneralOperation]: Start removeDead. Operand has 126 places, 112 transitions, 301 flow [2023-01-28 00:28:55,715 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 121 places, 106 transitions, 289 flow [2023-01-28 00:28:55,715 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-01-28 00:28:55,715 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 121 places, 106 transitions, 289 flow [2023-01-28 00:28:55,715 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 121 places, 106 transitions, 289 flow [2023-01-28 00:28:55,715 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 121 places, 106 transitions, 289 flow [2023-01-28 00:28:55,724 INFO L130 PetriNetUnfolder]: 0/146 cut-off events. [2023-01-28 00:28:55,724 INFO L131 PetriNetUnfolder]: For 77/77 co-relation queries the response was YES. [2023-01-28 00:28:55,724 INFO L83 FinitePrefix]: Finished finitePrefix Result has 196 conditions, 146 events. 0/146 cut-off events. For 77/77 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 202 event pairs, 0 based on Foata normal form. 0/139 useless extension candidates. Maximal degree in co-relation 0. Up to 8 conditions per place. [2023-01-28 00:28:55,727 INFO L119 LiptonReduction]: Number of co-enabled transitions 6622 [2023-01-28 00:28:56,999 INFO L134 LiptonReduction]: Checked pairs total: 11535 [2023-01-28 00:28:57,000 INFO L136 LiptonReduction]: Total number of compositions: 77 [2023-01-28 00:28:57,001 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == InUseError ======== [2023-01-28 00:28:57,001 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;@47cf2852, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-01-28 00:28:57,001 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-01-28 00:28:57,004 INFO L130 PetriNetUnfolder]: 0/43 cut-off events. [2023-01-28 00:28:57,004 INFO L131 PetriNetUnfolder]: For 77/77 co-relation queries the response was YES. [2023-01-28 00:28:57,004 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-01-28 00:28:57,004 INFO L208 CegarLoopForPetriNet]: trace histogram [7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-01-28 00:28:57,004 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-01-28 00:28:57,004 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-01-28 00:28:57,005 INFO L85 PathProgramCache]: Analyzing trace with hash -1825454941, now seen corresponding path program 1 times [2023-01-28 00:28:57,005 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-01-28 00:28:57,005 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1725521537] [2023-01-28 00:28:57,005 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-28 00:28:57,005 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-01-28 00:28:57,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-01-28 00:28:57,020 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-01-28 00:28:57,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-01-28 00:28:57,031 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-01-28 00:28:57,031 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-01-28 00:28:57,031 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 1 remaining) [2023-01-28 00:28:57,031 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-01-28 00:28:57,031 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-01-28 00:28:57,032 INFO L307 ceAbstractionStarter]: Result for error location InUseError was UNSAFE (1/2) [2023-01-28 00:28:57,032 WARN L233 ceAbstractionStarter]: 7 thread instances were not sufficient, I will increase this number and restart the analysis [2023-01-28 00:28:57,032 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 8 thread instances. [2023-01-28 00:28:57,044 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-01-28 00:28:57,045 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 140 places, 124 transitions, 344 flow [2023-01-28 00:28:57,059 INFO L130 PetriNetUnfolder]: 9/218 cut-off events. [2023-01-28 00:28:57,059 INFO L131 PetriNetUnfolder]: For 112/112 co-relation queries the response was YES. [2023-01-28 00:28:57,060 INFO L83 FinitePrefix]: Finished finitePrefix Result has 279 conditions, 218 events. 9/218 cut-off events. For 112/112 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 444 event pairs, 0 based on Foata normal form. 0/192 useless extension candidates. Maximal degree in co-relation 231. Up to 18 conditions per place. [2023-01-28 00:28:57,060 INFO L82 GeneralOperation]: Start removeDead. Operand has 140 places, 124 transitions, 344 flow [2023-01-28 00:28:57,060 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 135 places, 118 transitions, 332 flow [2023-01-28 00:28:57,060 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-01-28 00:28:57,060 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 135 places, 118 transitions, 332 flow [2023-01-28 00:28:57,060 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 135 places, 118 transitions, 332 flow [2023-01-28 00:28:57,061 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 135 places, 118 transitions, 332 flow [2023-01-28 00:28:57,072 INFO L130 PetriNetUnfolder]: 0/164 cut-off events. [2023-01-28 00:28:57,072 INFO L131 PetriNetUnfolder]: For 112/112 co-relation queries the response was YES. [2023-01-28 00:28:57,072 INFO L83 FinitePrefix]: Finished finitePrefix Result has 225 conditions, 164 events. 0/164 cut-off events. For 112/112 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 236 event pairs, 0 based on Foata normal form. 0/156 useless extension candidates. Maximal degree in co-relation 0. Up to 9 conditions per place. [2023-01-28 00:28:57,076 INFO L119 LiptonReduction]: Number of co-enabled transitions 8624 [2023-01-28 00:28:58,422 INFO L134 LiptonReduction]: Checked pairs total: 14244 [2023-01-28 00:28:58,423 INFO L136 LiptonReduction]: Total number of compositions: 85 [2023-01-28 00:28:58,423 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == InUseError ======== [2023-01-28 00:28:58,424 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;@47cf2852, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-01-28 00:28:58,424 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-01-28 00:28:58,427 INFO L130 PetriNetUnfolder]: 0/49 cut-off events. [2023-01-28 00:28:58,427 INFO L131 PetriNetUnfolder]: For 112/112 co-relation queries the response was YES. [2023-01-28 00:28:58,427 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-01-28 00:28:58,427 INFO L208 CegarLoopForPetriNet]: trace histogram [8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-01-28 00:28:58,427 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-01-28 00:28:58,428 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-01-28 00:28:58,428 INFO L85 PathProgramCache]: Analyzing trace with hash 2056706496, now seen corresponding path program 1 times [2023-01-28 00:28:58,428 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-01-28 00:28:58,428 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [524978567] [2023-01-28 00:28:58,428 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-28 00:28:58,428 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-01-28 00:28:58,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-01-28 00:28:58,446 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-01-28 00:28:58,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-01-28 00:28:58,456 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-01-28 00:28:58,456 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-01-28 00:28:58,457 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 1 remaining) [2023-01-28 00:28:58,457 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-01-28 00:28:58,457 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-01-28 00:28:58,457 INFO L307 ceAbstractionStarter]: Result for error location InUseError was UNSAFE (1/2) [2023-01-28 00:28:58,457 WARN L233 ceAbstractionStarter]: 8 thread instances were not sufficient, I will increase this number and restart the analysis [2023-01-28 00:28:58,457 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 9 thread instances. [2023-01-28 00:28:58,471 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-01-28 00:28:58,473 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 154 places, 136 transitions, 389 flow [2023-01-28 00:28:58,492 INFO L130 PetriNetUnfolder]: 10/242 cut-off events. [2023-01-28 00:28:58,492 INFO L131 PetriNetUnfolder]: For 156/156 co-relation queries the response was YES. [2023-01-28 00:28:58,493 INFO L83 FinitePrefix]: Finished finitePrefix Result has 315 conditions, 242 events. 10/242 cut-off events. For 156/156 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 488 event pairs, 0 based on Foata normal form. 0/213 useless extension candidates. Maximal degree in co-relation 266. Up to 20 conditions per place. [2023-01-28 00:28:58,493 INFO L82 GeneralOperation]: Start removeDead. Operand has 154 places, 136 transitions, 389 flow [2023-01-28 00:28:58,494 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 149 places, 130 transitions, 377 flow [2023-01-28 00:28:58,494 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-01-28 00:28:58,496 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 149 places, 130 transitions, 377 flow [2023-01-28 00:28:58,497 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 149 places, 130 transitions, 377 flow [2023-01-28 00:28:58,497 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 149 places, 130 transitions, 377 flow [2023-01-28 00:28:58,511 INFO L130 PetriNetUnfolder]: 0/182 cut-off events. [2023-01-28 00:28:58,511 INFO L131 PetriNetUnfolder]: For 156/156 co-relation queries the response was YES. [2023-01-28 00:28:58,511 INFO L83 FinitePrefix]: Finished finitePrefix Result has 255 conditions, 182 events. 0/182 cut-off events. For 156/156 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 259 event pairs, 0 based on Foata normal form. 0/173 useless extension candidates. Maximal degree in co-relation 0. Up to 10 conditions per place. [2023-01-28 00:28:58,516 INFO L119 LiptonReduction]: Number of co-enabled transitions 10890 [2023-01-28 00:28:59,989 INFO L134 LiptonReduction]: Checked pairs total: 16636 [2023-01-28 00:28:59,989 INFO L136 LiptonReduction]: Total number of compositions: 93 [2023-01-28 00:28:59,990 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == InUseError ======== [2023-01-28 00:28:59,991 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;@47cf2852, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-01-28 00:28:59,991 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-01-28 00:28:59,994 INFO L130 PetriNetUnfolder]: 0/55 cut-off events. [2023-01-28 00:28:59,994 INFO L131 PetriNetUnfolder]: For 156/156 co-relation queries the response was YES. [2023-01-28 00:28:59,994 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-01-28 00:28:59,994 INFO L208 CegarLoopForPetriNet]: trace histogram [9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-01-28 00:28:59,995 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-01-28 00:28:59,995 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-01-28 00:28:59,995 INFO L85 PathProgramCache]: Analyzing trace with hash 1398978313, now seen corresponding path program 1 times [2023-01-28 00:28:59,995 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-01-28 00:28:59,995 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [742353988] [2023-01-28 00:28:59,995 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-28 00:28:59,995 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-01-28 00:29:00,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-01-28 00:29:00,025 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-01-28 00:29:00,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-01-28 00:29:00,036 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-01-28 00:29:00,036 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-01-28 00:29:00,036 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 1 remaining) [2023-01-28 00:29:00,036 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-01-28 00:29:00,037 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-01-28 00:29:00,037 INFO L307 ceAbstractionStarter]: Result for error location InUseError was UNSAFE (1/2) [2023-01-28 00:29:00,037 WARN L233 ceAbstractionStarter]: 9 thread instances were not sufficient, I will increase this number and restart the analysis [2023-01-28 00:29:00,037 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 10 thread instances. [2023-01-28 00:29:00,049 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-01-28 00:29:00,051 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 168 places, 148 transitions, 436 flow [2023-01-28 00:29:00,072 INFO L130 PetriNetUnfolder]: 11/266 cut-off events. [2023-01-28 00:29:00,072 INFO L131 PetriNetUnfolder]: For 210/210 co-relation queries the response was YES. [2023-01-28 00:29:00,074 INFO L83 FinitePrefix]: Finished finitePrefix Result has 352 conditions, 266 events. 11/266 cut-off events. For 210/210 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 535 event pairs, 0 based on Foata normal form. 0/234 useless extension candidates. Maximal degree in co-relation 302. Up to 22 conditions per place. [2023-01-28 00:29:00,074 INFO L82 GeneralOperation]: Start removeDead. Operand has 168 places, 148 transitions, 436 flow [2023-01-28 00:29:00,075 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 163 places, 142 transitions, 424 flow [2023-01-28 00:29:00,075 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-01-28 00:29:00,075 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 163 places, 142 transitions, 424 flow [2023-01-28 00:29:00,075 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 163 places, 142 transitions, 424 flow [2023-01-28 00:29:00,075 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 163 places, 142 transitions, 424 flow [2023-01-28 00:29:00,091 INFO L130 PetriNetUnfolder]: 0/200 cut-off events. [2023-01-28 00:29:00,091 INFO L131 PetriNetUnfolder]: For 210/210 co-relation queries the response was YES. [2023-01-28 00:29:00,091 INFO L83 FinitePrefix]: Finished finitePrefix Result has 286 conditions, 200 events. 0/200 cut-off events. For 210/210 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 283 event pairs, 0 based on Foata normal form. 0/190 useless extension candidates. Maximal degree in co-relation 0. Up to 11 conditions per place. [2023-01-28 00:29:00,096 INFO L119 LiptonReduction]: Number of co-enabled transitions 13420 [2023-01-28 00:29:01,806 INFO L134 LiptonReduction]: Checked pairs total: 23030 [2023-01-28 00:29:01,806 INFO L136 LiptonReduction]: Total number of compositions: 101 [2023-01-28 00:29:01,807 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == InUseError ======== [2023-01-28 00:29:01,807 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;@47cf2852, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-01-28 00:29:01,807 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-01-28 00:29:01,811 INFO L130 PetriNetUnfolder]: 0/61 cut-off events. [2023-01-28 00:29:01,811 INFO L131 PetriNetUnfolder]: For 210/210 co-relation queries the response was YES. [2023-01-28 00:29:01,811 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-01-28 00:29:01,811 INFO L208 CegarLoopForPetriNet]: trace histogram [10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-01-28 00:29:01,811 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-01-28 00:29:01,811 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-01-28 00:29:01,811 INFO L85 PathProgramCache]: Analyzing trace with hash -1128663187, now seen corresponding path program 1 times [2023-01-28 00:29:01,812 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-01-28 00:29:01,812 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1073719395] [2023-01-28 00:29:01,812 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-28 00:29:01,812 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-01-28 00:29:01,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-01-28 00:29:01,832 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-01-28 00:29:01,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-01-28 00:29:01,843 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-01-28 00:29:01,844 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-01-28 00:29:01,844 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 1 remaining) [2023-01-28 00:29:01,844 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-01-28 00:29:01,844 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-01-28 00:29:01,844 INFO L307 ceAbstractionStarter]: Result for error location InUseError was UNSAFE (1/2) [2023-01-28 00:29:01,844 WARN L233 ceAbstractionStarter]: 10 thread instances were not sufficient, I will increase this number and restart the analysis [2023-01-28 00:29:01,844 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 11 thread instances. [2023-01-28 00:29:01,867 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-01-28 00:29:01,869 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 182 places, 160 transitions, 485 flow [2023-01-28 00:29:01,891 INFO L130 PetriNetUnfolder]: 12/290 cut-off events. [2023-01-28 00:29:01,891 INFO L131 PetriNetUnfolder]: For 275/275 co-relation queries the response was YES. [2023-01-28 00:29:01,892 INFO L83 FinitePrefix]: Finished finitePrefix Result has 390 conditions, 290 events. 12/290 cut-off events. For 275/275 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 596 event pairs, 0 based on Foata normal form. 0/255 useless extension candidates. Maximal degree in co-relation 339. Up to 24 conditions per place. [2023-01-28 00:29:01,892 INFO L82 GeneralOperation]: Start removeDead. Operand has 182 places, 160 transitions, 485 flow [2023-01-28 00:29:01,893 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 177 places, 154 transitions, 473 flow [2023-01-28 00:29:01,893 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-01-28 00:29:01,893 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 177 places, 154 transitions, 473 flow [2023-01-28 00:29:01,893 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 177 places, 154 transitions, 473 flow [2023-01-28 00:29:01,893 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 177 places, 154 transitions, 473 flow [2023-01-28 00:29:01,910 INFO L130 PetriNetUnfolder]: 0/218 cut-off events. [2023-01-28 00:29:01,910 INFO L131 PetriNetUnfolder]: For 275/275 co-relation queries the response was YES. [2023-01-28 00:29:01,910 INFO L83 FinitePrefix]: Finished finitePrefix Result has 318 conditions, 218 events. 0/218 cut-off events. For 275/275 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 318 event pairs, 0 based on Foata normal form. 0/207 useless extension candidates. Maximal degree in co-relation 0. Up to 12 conditions per place. [2023-01-28 00:29:01,914 INFO L119 LiptonReduction]: Number of co-enabled transitions 16214 [2023-01-28 00:29:03,676 INFO L134 LiptonReduction]: Checked pairs total: 28920 [2023-01-28 00:29:03,676 INFO L136 LiptonReduction]: Total number of compositions: 109 [2023-01-28 00:29:03,677 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == InUseError ======== [2023-01-28 00:29:03,677 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;@47cf2852, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-01-28 00:29:03,677 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-01-28 00:29:03,683 INFO L130 PetriNetUnfolder]: 0/67 cut-off events. [2023-01-28 00:29:03,683 INFO L131 PetriNetUnfolder]: For 275/275 co-relation queries the response was YES. [2023-01-28 00:29:03,684 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-01-28 00:29:03,684 INFO L208 CegarLoopForPetriNet]: trace histogram [11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-01-28 00:29:03,684 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-01-28 00:29:03,684 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-01-28 00:29:03,684 INFO L85 PathProgramCache]: Analyzing trace with hash -1923067136, now seen corresponding path program 1 times [2023-01-28 00:29:03,684 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-01-28 00:29:03,684 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [373112617] [2023-01-28 00:29:03,684 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-28 00:29:03,684 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-01-28 00:29:03,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-01-28 00:29:03,699 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-01-28 00:29:03,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-01-28 00:29:03,715 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-01-28 00:29:03,716 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-01-28 00:29:03,716 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 1 remaining) [2023-01-28 00:29:03,716 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-01-28 00:29:03,716 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-01-28 00:29:03,717 INFO L307 ceAbstractionStarter]: Result for error location InUseError was UNSAFE (1/2) [2023-01-28 00:29:03,718 WARN L233 ceAbstractionStarter]: 11 thread instances were not sufficient, I will increase this number and restart the analysis [2023-01-28 00:29:03,718 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 12 thread instances. [2023-01-28 00:29:03,734 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-01-28 00:29:03,736 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 196 places, 172 transitions, 536 flow [2023-01-28 00:29:03,769 INFO L130 PetriNetUnfolder]: 13/314 cut-off events. [2023-01-28 00:29:03,769 INFO L131 PetriNetUnfolder]: For 352/352 co-relation queries the response was YES. [2023-01-28 00:29:03,771 INFO L83 FinitePrefix]: Finished finitePrefix Result has 429 conditions, 314 events. 13/314 cut-off events. For 352/352 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 641 event pairs, 0 based on Foata normal form. 0/276 useless extension candidates. Maximal degree in co-relation 377. Up to 26 conditions per place. [2023-01-28 00:29:03,771 INFO L82 GeneralOperation]: Start removeDead. Operand has 196 places, 172 transitions, 536 flow [2023-01-28 00:29:03,772 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 191 places, 166 transitions, 524 flow [2023-01-28 00:29:03,772 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-01-28 00:29:03,772 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 191 places, 166 transitions, 524 flow [2023-01-28 00:29:03,772 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 191 places, 166 transitions, 524 flow [2023-01-28 00:29:03,773 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 191 places, 166 transitions, 524 flow [2023-01-28 00:29:03,794 INFO L130 PetriNetUnfolder]: 0/236 cut-off events. [2023-01-28 00:29:03,794 INFO L131 PetriNetUnfolder]: For 352/352 co-relation queries the response was YES. [2023-01-28 00:29:03,795 INFO L83 FinitePrefix]: Finished finitePrefix Result has 351 conditions, 236 events. 0/236 cut-off events. For 352/352 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 343 event pairs, 0 based on Foata normal form. 0/224 useless extension candidates. Maximal degree in co-relation 0. Up to 13 conditions per place. [2023-01-28 00:29:03,799 INFO L119 LiptonReduction]: Number of co-enabled transitions 19272 [2023-01-28 00:29:05,585 INFO L134 LiptonReduction]: Checked pairs total: 30445 [2023-01-28 00:29:05,586 INFO L136 LiptonReduction]: Total number of compositions: 117 [2023-01-28 00:29:05,594 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == InUseError ======== [2023-01-28 00:29:05,595 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;@47cf2852, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-01-28 00:29:05,596 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-01-28 00:29:05,633 INFO L130 PetriNetUnfolder]: 0/73 cut-off events. [2023-01-28 00:29:05,633 INFO L131 PetriNetUnfolder]: For 352/352 co-relation queries the response was YES. [2023-01-28 00:29:05,633 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-01-28 00:29:05,633 INFO L208 CegarLoopForPetriNet]: trace histogram [12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-01-28 00:29:05,633 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-01-28 00:29:05,634 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-01-28 00:29:05,634 INFO L85 PathProgramCache]: Analyzing trace with hash -1288356902, now seen corresponding path program 1 times [2023-01-28 00:29:05,634 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-01-28 00:29:05,634 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2145458651] [2023-01-28 00:29:05,634 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-28 00:29:05,634 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-01-28 00:29:05,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-01-28 00:29:05,649 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-01-28 00:29:05,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-01-28 00:29:05,665 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-01-28 00:29:05,665 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-01-28 00:29:05,665 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 1 remaining) [2023-01-28 00:29:05,665 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-01-28 00:29:05,665 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-01-28 00:29:05,668 INFO L307 ceAbstractionStarter]: Result for error location InUseError was UNSAFE (1/2) [2023-01-28 00:29:05,668 WARN L233 ceAbstractionStarter]: 12 thread instances were not sufficient, I will increase this number and restart the analysis [2023-01-28 00:29:05,668 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 13 thread instances. [2023-01-28 00:29:05,683 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-01-28 00:29:05,685 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 210 places, 184 transitions, 589 flow [2023-01-28 00:29:05,714 INFO L130 PetriNetUnfolder]: 14/338 cut-off events. [2023-01-28 00:29:05,714 INFO L131 PetriNetUnfolder]: For 442/442 co-relation queries the response was YES. [2023-01-28 00:29:05,717 INFO L83 FinitePrefix]: Finished finitePrefix Result has 469 conditions, 338 events. 14/338 cut-off events. For 442/442 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 704 event pairs, 0 based on Foata normal form. 0/297 useless extension candidates. Maximal degree in co-relation 416. Up to 28 conditions per place. [2023-01-28 00:29:05,717 INFO L82 GeneralOperation]: Start removeDead. Operand has 210 places, 184 transitions, 589 flow [2023-01-28 00:29:05,718 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 205 places, 178 transitions, 577 flow [2023-01-28 00:29:05,718 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-01-28 00:29:05,718 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 205 places, 178 transitions, 577 flow [2023-01-28 00:29:05,719 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 205 places, 178 transitions, 577 flow [2023-01-28 00:29:05,719 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 205 places, 178 transitions, 577 flow [2023-01-28 00:29:05,741 INFO L130 PetriNetUnfolder]: 0/254 cut-off events. [2023-01-28 00:29:05,741 INFO L131 PetriNetUnfolder]: For 442/442 co-relation queries the response was YES. [2023-01-28 00:29:05,742 INFO L83 FinitePrefix]: Finished finitePrefix Result has 385 conditions, 254 events. 0/254 cut-off events. For 442/442 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 376 event pairs, 0 based on Foata normal form. 0/241 useless extension candidates. Maximal degree in co-relation 0. Up to 14 conditions per place. [2023-01-28 00:29:05,747 INFO L119 LiptonReduction]: Number of co-enabled transitions 22594 [2023-01-28 00:29:07,716 INFO L134 LiptonReduction]: Checked pairs total: 34937 [2023-01-28 00:29:07,717 INFO L136 LiptonReduction]: Total number of compositions: 125 [2023-01-28 00:29:07,718 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == InUseError ======== [2023-01-28 00:29:07,718 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;@47cf2852, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-01-28 00:29:07,718 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-01-28 00:29:07,724 INFO L130 PetriNetUnfolder]: 0/79 cut-off events. [2023-01-28 00:29:07,724 INFO L131 PetriNetUnfolder]: For 442/442 co-relation queries the response was YES. [2023-01-28 00:29:07,724 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-01-28 00:29:07,724 INFO L208 CegarLoopForPetriNet]: trace histogram [13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-01-28 00:29:07,724 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-01-28 00:29:07,724 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-01-28 00:29:07,724 INFO L85 PathProgramCache]: Analyzing trace with hash -871293175, now seen corresponding path program 1 times [2023-01-28 00:29:07,724 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-01-28 00:29:07,724 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1979235528] [2023-01-28 00:29:07,725 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-28 00:29:07,725 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-01-28 00:29:07,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-01-28 00:29:07,737 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-01-28 00:29:07,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-01-28 00:29:07,758 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-01-28 00:29:07,758 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-01-28 00:29:07,758 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 1 remaining) [2023-01-28 00:29:07,758 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2023-01-28 00:29:07,758 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-01-28 00:29:07,759 INFO L307 ceAbstractionStarter]: Result for error location InUseError was UNSAFE (1/2) [2023-01-28 00:29:07,759 WARN L233 ceAbstractionStarter]: 13 thread instances were not sufficient, I will increase this number and restart the analysis [2023-01-28 00:29:07,759 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 14 thread instances. [2023-01-28 00:29:07,795 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-01-28 00:29:07,796 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 224 places, 196 transitions, 644 flow [2023-01-28 00:29:07,831 INFO L130 PetriNetUnfolder]: 15/362 cut-off events. [2023-01-28 00:29:07,832 INFO L131 PetriNetUnfolder]: For 546/546 co-relation queries the response was YES. [2023-01-28 00:29:07,834 INFO L83 FinitePrefix]: Finished finitePrefix Result has 510 conditions, 362 events. 15/362 cut-off events. For 546/546 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 725 event pairs, 0 based on Foata normal form. 0/318 useless extension candidates. Maximal degree in co-relation 456. Up to 30 conditions per place. [2023-01-28 00:29:07,834 INFO L82 GeneralOperation]: Start removeDead. Operand has 224 places, 196 transitions, 644 flow [2023-01-28 00:29:07,835 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 219 places, 190 transitions, 632 flow [2023-01-28 00:29:07,835 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-01-28 00:29:07,835 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 219 places, 190 transitions, 632 flow [2023-01-28 00:29:07,835 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 219 places, 190 transitions, 632 flow [2023-01-28 00:29:07,836 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 219 places, 190 transitions, 632 flow [2023-01-28 00:29:07,861 INFO L130 PetriNetUnfolder]: 0/272 cut-off events. [2023-01-28 00:29:07,861 INFO L131 PetriNetUnfolder]: For 546/546 co-relation queries the response was YES. [2023-01-28 00:29:07,861 INFO L83 FinitePrefix]: Finished finitePrefix Result has 420 conditions, 272 events. 0/272 cut-off events. For 546/546 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 384 event pairs, 0 based on Foata normal form. 0/258 useless extension candidates. Maximal degree in co-relation 0. Up to 15 conditions per place. [2023-01-28 00:29:07,868 INFO L119 LiptonReduction]: Number of co-enabled transitions 26180 [2023-01-28 00:29:09,838 INFO L134 LiptonReduction]: Checked pairs total: 41158 [2023-01-28 00:29:09,839 INFO L136 LiptonReduction]: Total number of compositions: 133 [2023-01-28 00:29:09,839 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == InUseError ======== [2023-01-28 00:29:09,840 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;@47cf2852, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-01-28 00:29:09,840 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-01-28 00:29:09,846 INFO L130 PetriNetUnfolder]: 0/85 cut-off events. [2023-01-28 00:29:09,846 INFO L131 PetriNetUnfolder]: For 546/546 co-relation queries the response was YES. [2023-01-28 00:29:09,846 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-01-28 00:29:09,846 INFO L208 CegarLoopForPetriNet]: trace histogram [14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-01-28 00:29:09,847 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-01-28 00:29:09,847 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-01-28 00:29:09,847 INFO L85 PathProgramCache]: Analyzing trace with hash -1654611129, now seen corresponding path program 1 times [2023-01-28 00:29:09,847 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-01-28 00:29:09,847 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1564022389] [2023-01-28 00:29:09,847 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-28 00:29:09,847 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-01-28 00:29:09,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-01-28 00:29:09,862 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-01-28 00:29:09,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-01-28 00:29:09,913 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-01-28 00:29:09,913 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-01-28 00:29:09,913 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 1 remaining) [2023-01-28 00:29:09,913 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2023-01-28 00:29:09,913 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-01-28 00:29:09,914 INFO L307 ceAbstractionStarter]: Result for error location InUseError was UNSAFE (1/2) [2023-01-28 00:29:09,914 WARN L233 ceAbstractionStarter]: 14 thread instances were not sufficient, I will increase this number and restart the analysis [2023-01-28 00:29:09,914 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 15 thread instances. [2023-01-28 00:29:09,943 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-01-28 00:29:09,945 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 238 places, 208 transitions, 701 flow [2023-01-28 00:29:09,997 INFO L130 PetriNetUnfolder]: 16/386 cut-off events. [2023-01-28 00:29:09,997 INFO L131 PetriNetUnfolder]: For 665/665 co-relation queries the response was YES. [2023-01-28 00:29:10,003 INFO L83 FinitePrefix]: Finished finitePrefix Result has 552 conditions, 386 events. 16/386 cut-off events. For 665/665 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 779 event pairs, 0 based on Foata normal form. 0/339 useless extension candidates. Maximal degree in co-relation 497. Up to 32 conditions per place. [2023-01-28 00:29:10,004 INFO L82 GeneralOperation]: Start removeDead. Operand has 238 places, 208 transitions, 701 flow [2023-01-28 00:29:10,005 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 233 places, 202 transitions, 689 flow [2023-01-28 00:29:10,005 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-01-28 00:29:10,005 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 233 places, 202 transitions, 689 flow [2023-01-28 00:29:10,005 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 233 places, 202 transitions, 689 flow [2023-01-28 00:29:10,005 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 233 places, 202 transitions, 689 flow [2023-01-28 00:29:10,044 INFO L130 PetriNetUnfolder]: 0/290 cut-off events. [2023-01-28 00:29:10,044 INFO L131 PetriNetUnfolder]: For 665/665 co-relation queries the response was YES. [2023-01-28 00:29:10,044 INFO L83 FinitePrefix]: Finished finitePrefix Result has 456 conditions, 290 events. 0/290 cut-off events. For 665/665 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 413 event pairs, 0 based on Foata normal form. 0/275 useless extension candidates. Maximal degree in co-relation 0. Up to 16 conditions per place. [2023-01-28 00:29:10,053 INFO L119 LiptonReduction]: Number of co-enabled transitions 30030 [2023-01-28 00:29:12,212 INFO L134 LiptonReduction]: Checked pairs total: 52732 [2023-01-28 00:29:12,212 INFO L136 LiptonReduction]: Total number of compositions: 141 [2023-01-28 00:29:12,213 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == InUseError ======== [2023-01-28 00:29:12,213 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;@47cf2852, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-01-28 00:29:12,213 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-01-28 00:29:12,220 INFO L130 PetriNetUnfolder]: 0/91 cut-off events. [2023-01-28 00:29:12,220 INFO L131 PetriNetUnfolder]: For 665/665 co-relation queries the response was YES. [2023-01-28 00:29:12,220 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-01-28 00:29:12,220 INFO L208 CegarLoopForPetriNet]: trace histogram [15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-01-28 00:29:12,220 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-01-28 00:29:12,221 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-01-28 00:29:12,221 INFO L85 PathProgramCache]: Analyzing trace with hash -196853922, now seen corresponding path program 1 times [2023-01-28 00:29:12,221 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-01-28 00:29:12,221 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [79152259] [2023-01-28 00:29:12,221 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-28 00:29:12,221 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-01-28 00:29:12,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-01-28 00:29:12,237 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-01-28 00:29:12,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-01-28 00:29:12,250 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-01-28 00:29:12,250 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-01-28 00:29:12,251 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 1 remaining) [2023-01-28 00:29:12,251 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2023-01-28 00:29:12,252 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-01-28 00:29:12,252 INFO L307 ceAbstractionStarter]: Result for error location InUseError was UNSAFE (1/2) [2023-01-28 00:29:12,252 WARN L233 ceAbstractionStarter]: 15 thread instances were not sufficient, I will increase this number and restart the analysis [2023-01-28 00:29:12,252 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 16 thread instances. [2023-01-28 00:29:12,272 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-01-28 00:29:12,274 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 252 places, 220 transitions, 760 flow [2023-01-28 00:29:12,314 INFO L130 PetriNetUnfolder]: 17/410 cut-off events. [2023-01-28 00:29:12,314 INFO L131 PetriNetUnfolder]: For 800/800 co-relation queries the response was YES. [2023-01-28 00:29:12,318 INFO L83 FinitePrefix]: Finished finitePrefix Result has 595 conditions, 410 events. 17/410 cut-off events. For 800/800 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 838 event pairs, 0 based on Foata normal form. 0/360 useless extension candidates. Maximal degree in co-relation 539. Up to 34 conditions per place. [2023-01-28 00:29:12,318 INFO L82 GeneralOperation]: Start removeDead. Operand has 252 places, 220 transitions, 760 flow [2023-01-28 00:29:12,320 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 247 places, 214 transitions, 748 flow [2023-01-28 00:29:12,320 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-01-28 00:29:12,320 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 247 places, 214 transitions, 748 flow [2023-01-28 00:29:12,320 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 247 places, 214 transitions, 748 flow [2023-01-28 00:29:12,320 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 247 places, 214 transitions, 748 flow [2023-01-28 00:29:12,352 INFO L130 PetriNetUnfolder]: 0/308 cut-off events. [2023-01-28 00:29:12,353 INFO L131 PetriNetUnfolder]: For 800/800 co-relation queries the response was YES. [2023-01-28 00:29:12,353 INFO L83 FinitePrefix]: Finished finitePrefix Result has 493 conditions, 308 events. 0/308 cut-off events. For 800/800 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 447 event pairs, 0 based on Foata normal form. 0/292 useless extension candidates. Maximal degree in co-relation 0. Up to 17 conditions per place. [2023-01-28 00:29:12,361 INFO L119 LiptonReduction]: Number of co-enabled transitions 34144 [2023-01-28 00:29:14,558 INFO L134 LiptonReduction]: Checked pairs total: 56549 [2023-01-28 00:29:14,558 INFO L136 LiptonReduction]: Total number of compositions: 149 [2023-01-28 00:29:14,559 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == InUseError ======== [2023-01-28 00:29:14,559 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;@47cf2852, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-01-28 00:29:14,559 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-01-28 00:29:14,566 INFO L130 PetriNetUnfolder]: 0/97 cut-off events. [2023-01-28 00:29:14,566 INFO L131 PetriNetUnfolder]: For 800/800 co-relation queries the response was YES. [2023-01-28 00:29:14,566 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-01-28 00:29:14,566 INFO L208 CegarLoopForPetriNet]: trace histogram [16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-01-28 00:29:14,566 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-01-28 00:29:14,567 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-01-28 00:29:14,567 INFO L85 PathProgramCache]: Analyzing trace with hash 1158000244, now seen corresponding path program 1 times [2023-01-28 00:29:14,567 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-01-28 00:29:14,567 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [745307349] [2023-01-28 00:29:14,567 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-28 00:29:14,567 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-01-28 00:29:14,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-01-28 00:29:14,589 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-01-28 00:29:14,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-01-28 00:29:14,604 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-01-28 00:29:14,604 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-01-28 00:29:14,605 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 1 remaining) [2023-01-28 00:29:14,605 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2023-01-28 00:29:14,605 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-01-28 00:29:14,605 INFO L307 ceAbstractionStarter]: Result for error location InUseError was UNSAFE (1/2) [2023-01-28 00:29:14,605 WARN L233 ceAbstractionStarter]: 16 thread instances were not sufficient, I will increase this number and restart the analysis [2023-01-28 00:29:14,605 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 17 thread instances. [2023-01-28 00:29:14,626 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-01-28 00:29:14,628 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 266 places, 232 transitions, 821 flow [2023-01-28 00:29:14,671 INFO L130 PetriNetUnfolder]: 18/434 cut-off events. [2023-01-28 00:29:14,672 INFO L131 PetriNetUnfolder]: For 952/952 co-relation queries the response was YES. [2023-01-28 00:29:14,676 INFO L83 FinitePrefix]: Finished finitePrefix Result has 639 conditions, 434 events. 18/434 cut-off events. For 952/952 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 888 event pairs, 0 based on Foata normal form. 0/381 useless extension candidates. Maximal degree in co-relation 582. Up to 36 conditions per place. [2023-01-28 00:29:14,676 INFO L82 GeneralOperation]: Start removeDead. Operand has 266 places, 232 transitions, 821 flow [2023-01-28 00:29:14,677 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 261 places, 226 transitions, 809 flow [2023-01-28 00:29:14,677 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-01-28 00:29:14,677 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 261 places, 226 transitions, 809 flow [2023-01-28 00:29:14,677 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 261 places, 226 transitions, 809 flow [2023-01-28 00:29:14,677 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 261 places, 226 transitions, 809 flow [2023-01-28 00:29:14,711 INFO L130 PetriNetUnfolder]: 0/326 cut-off events. [2023-01-28 00:29:14,711 INFO L131 PetriNetUnfolder]: For 952/952 co-relation queries the response was YES. [2023-01-28 00:29:14,711 INFO L83 FinitePrefix]: Finished finitePrefix Result has 531 conditions, 326 events. 0/326 cut-off events. For 952/952 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 471 event pairs, 0 based on Foata normal form. 0/309 useless extension candidates. Maximal degree in co-relation 0. Up to 18 conditions per place. [2023-01-28 00:29:14,720 INFO L119 LiptonReduction]: Number of co-enabled transitions 38522 [2023-01-28 00:29:17,101 INFO L134 LiptonReduction]: Checked pairs total: 62993 [2023-01-28 00:29:17,101 INFO L136 LiptonReduction]: Total number of compositions: 157 [2023-01-28 00:29:17,102 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == InUseError ======== [2023-01-28 00:29:17,102 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;@47cf2852, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-01-28 00:29:17,102 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-01-28 00:29:17,110 INFO L130 PetriNetUnfolder]: 0/103 cut-off events. [2023-01-28 00:29:17,110 INFO L131 PetriNetUnfolder]: For 952/952 co-relation queries the response was YES. [2023-01-28 00:29:17,110 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-01-28 00:29:17,111 INFO L208 CegarLoopForPetriNet]: trace histogram [17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-01-28 00:29:17,111 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-01-28 00:29:17,111 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-01-28 00:29:17,111 INFO L85 PathProgramCache]: Analyzing trace with hash -1202704567, now seen corresponding path program 1 times [2023-01-28 00:29:17,111 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-01-28 00:29:17,111 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1645855103] [2023-01-28 00:29:17,111 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-28 00:29:17,111 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-01-28 00:29:17,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-01-28 00:29:17,126 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-01-28 00:29:17,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-01-28 00:29:17,143 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-01-28 00:29:17,143 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-01-28 00:29:17,143 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 1 remaining) [2023-01-28 00:29:17,143 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2023-01-28 00:29:17,143 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-01-28 00:29:17,143 INFO L307 ceAbstractionStarter]: Result for error location InUseError was UNSAFE (1/2) [2023-01-28 00:29:17,143 WARN L233 ceAbstractionStarter]: 17 thread instances were not sufficient, I will increase this number and restart the analysis [2023-01-28 00:29:17,143 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 18 thread instances. [2023-01-28 00:29:17,164 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-01-28 00:29:17,166 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 280 places, 244 transitions, 884 flow [2023-01-28 00:29:17,215 INFO L130 PetriNetUnfolder]: 19/458 cut-off events. [2023-01-28 00:29:17,216 INFO L131 PetriNetUnfolder]: For 1122/1122 co-relation queries the response was YES. [2023-01-28 00:29:17,220 INFO L83 FinitePrefix]: Finished finitePrefix Result has 684 conditions, 458 events. 19/458 cut-off events. For 1122/1122 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 973 event pairs, 0 based on Foata normal form. 0/402 useless extension candidates. Maximal degree in co-relation 626. Up to 38 conditions per place. [2023-01-28 00:29:17,220 INFO L82 GeneralOperation]: Start removeDead. Operand has 280 places, 244 transitions, 884 flow [2023-01-28 00:29:17,221 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 275 places, 238 transitions, 872 flow [2023-01-28 00:29:17,221 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-01-28 00:29:17,221 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 275 places, 238 transitions, 872 flow [2023-01-28 00:29:17,221 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 275 places, 238 transitions, 872 flow [2023-01-28 00:29:17,221 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 275 places, 238 transitions, 872 flow [2023-01-28 00:29:17,262 INFO L130 PetriNetUnfolder]: 0/344 cut-off events. [2023-01-28 00:29:17,262 INFO L131 PetriNetUnfolder]: For 1122/1122 co-relation queries the response was YES. [2023-01-28 00:29:17,262 INFO L83 FinitePrefix]: Finished finitePrefix Result has 570 conditions, 344 events. 0/344 cut-off events. For 1122/1122 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 502 event pairs, 0 based on Foata normal form. 0/326 useless extension candidates. Maximal degree in co-relation 0. Up to 19 conditions per place. [2023-01-28 00:29:17,272 INFO L119 LiptonReduction]: Number of co-enabled transitions 43164 [2023-01-28 00:29:19,685 INFO L134 LiptonReduction]: Checked pairs total: 71139 [2023-01-28 00:29:19,685 INFO L136 LiptonReduction]: Total number of compositions: 165 [2023-01-28 00:29:19,686 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == InUseError ======== [2023-01-28 00:29:19,686 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;@47cf2852, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-01-28 00:29:19,687 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-01-28 00:29:19,701 INFO L130 PetriNetUnfolder]: 0/109 cut-off events. [2023-01-28 00:29:19,701 INFO L131 PetriNetUnfolder]: For 1122/1122 co-relation queries the response was YES. [2023-01-28 00:29:19,701 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-01-28 00:29:19,701 INFO L208 CegarLoopForPetriNet]: trace histogram [18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-01-28 00:29:19,701 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-01-28 00:29:19,701 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-01-28 00:29:19,702 INFO L85 PathProgramCache]: Analyzing trace with hash 939726977, now seen corresponding path program 1 times [2023-01-28 00:29:19,702 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-01-28 00:29:19,702 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [545542974] [2023-01-28 00:29:19,702 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-28 00:29:19,702 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-01-28 00:29:19,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-01-28 00:29:19,725 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-01-28 00:29:19,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-01-28 00:29:19,741 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-01-28 00:29:19,742 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-01-28 00:29:19,742 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 1 remaining) [2023-01-28 00:29:19,742 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2023-01-28 00:29:19,742 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-01-28 00:29:19,743 INFO L307 ceAbstractionStarter]: Result for error location InUseError was UNSAFE (1/2) [2023-01-28 00:29:19,743 WARN L233 ceAbstractionStarter]: 18 thread instances were not sufficient, I will increase this number and restart the analysis [2023-01-28 00:29:19,743 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 19 thread instances. [2023-01-28 00:29:19,762 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-01-28 00:29:19,764 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 294 places, 256 transitions, 949 flow [2023-01-28 00:29:19,820 INFO L130 PetriNetUnfolder]: 20/482 cut-off events. [2023-01-28 00:29:19,820 INFO L131 PetriNetUnfolder]: For 1311/1311 co-relation queries the response was YES. [2023-01-28 00:29:19,825 INFO L83 FinitePrefix]: Finished finitePrefix Result has 730 conditions, 482 events. 20/482 cut-off events. For 1311/1311 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 989 event pairs, 0 based on Foata normal form. 0/423 useless extension candidates. Maximal degree in co-relation 671. Up to 40 conditions per place. [2023-01-28 00:29:19,825 INFO L82 GeneralOperation]: Start removeDead. Operand has 294 places, 256 transitions, 949 flow [2023-01-28 00:29:19,826 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 289 places, 250 transitions, 937 flow [2023-01-28 00:29:19,826 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-01-28 00:29:19,826 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 289 places, 250 transitions, 937 flow [2023-01-28 00:29:19,827 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 289 places, 250 transitions, 937 flow [2023-01-28 00:29:19,827 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 289 places, 250 transitions, 937 flow [2023-01-28 00:29:19,869 INFO L130 PetriNetUnfolder]: 0/362 cut-off events. [2023-01-28 00:29:19,870 INFO L131 PetriNetUnfolder]: For 1311/1311 co-relation queries the response was YES. [2023-01-28 00:29:19,870 INFO L83 FinitePrefix]: Finished finitePrefix Result has 610 conditions, 362 events. 0/362 cut-off events. For 1311/1311 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 522 event pairs, 0 based on Foata normal form. 0/343 useless extension candidates. Maximal degree in co-relation 0. Up to 20 conditions per place. [2023-01-28 00:29:19,881 INFO L119 LiptonReduction]: Number of co-enabled transitions 48070 [2023-01-28 00:29:22,326 INFO L134 LiptonReduction]: Checked pairs total: 77024 [2023-01-28 00:29:22,326 INFO L136 LiptonReduction]: Total number of compositions: 173 [2023-01-28 00:29:22,327 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == InUseError ======== [2023-01-28 00:29:22,327 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;@47cf2852, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-01-28 00:29:22,327 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-01-28 00:29:22,337 INFO L130 PetriNetUnfolder]: 0/115 cut-off events. [2023-01-28 00:29:22,337 INFO L131 PetriNetUnfolder]: For 1311/1311 co-relation queries the response was YES. [2023-01-28 00:29:22,337 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-01-28 00:29:22,337 INFO L208 CegarLoopForPetriNet]: trace histogram [19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-01-28 00:29:22,337 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-01-28 00:29:22,337 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-01-28 00:29:22,337 INFO L85 PathProgramCache]: Analyzing trace with hash -1263150977, now seen corresponding path program 1 times [2023-01-28 00:29:22,337 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-01-28 00:29:22,338 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1672839890] [2023-01-28 00:29:22,338 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-28 00:29:22,338 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-01-28 00:29:22,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-01-28 00:29:22,359 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-01-28 00:29:22,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-01-28 00:29:22,377 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-01-28 00:29:22,377 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-01-28 00:29:22,377 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 1 remaining) [2023-01-28 00:29:22,377 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2023-01-28 00:29:22,378 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-01-28 00:29:22,379 INFO L307 ceAbstractionStarter]: Result for error location InUseError was UNSAFE (1/2) [2023-01-28 00:29:22,379 WARN L233 ceAbstractionStarter]: 19 thread instances were not sufficient, I will increase this number and restart the analysis [2023-01-28 00:29:22,379 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 20 thread instances. [2023-01-28 00:29:22,411 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-01-28 00:29:22,413 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 308 places, 268 transitions, 1016 flow [2023-01-28 00:29:22,529 INFO L130 PetriNetUnfolder]: 21/506 cut-off events. [2023-01-28 00:29:22,529 INFO L131 PetriNetUnfolder]: For 1520/1520 co-relation queries the response was YES. [2023-01-28 00:29:22,533 INFO L83 FinitePrefix]: Finished finitePrefix Result has 777 conditions, 506 events. 21/506 cut-off events. For 1520/1520 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 1056 event pairs, 0 based on Foata normal form. 0/444 useless extension candidates. Maximal degree in co-relation 717. Up to 42 conditions per place. [2023-01-28 00:29:22,533 INFO L82 GeneralOperation]: Start removeDead. Operand has 308 places, 268 transitions, 1016 flow [2023-01-28 00:29:22,534 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 303 places, 262 transitions, 1004 flow [2023-01-28 00:29:22,534 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-01-28 00:29:22,534 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 303 places, 262 transitions, 1004 flow [2023-01-28 00:29:22,535 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 303 places, 262 transitions, 1004 flow [2023-01-28 00:29:22,535 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 303 places, 262 transitions, 1004 flow [2023-01-28 00:29:22,580 INFO L130 PetriNetUnfolder]: 0/380 cut-off events. [2023-01-28 00:29:22,581 INFO L131 PetriNetUnfolder]: For 1520/1520 co-relation queries the response was YES. [2023-01-28 00:29:22,581 INFO L83 FinitePrefix]: Finished finitePrefix Result has 651 conditions, 380 events. 0/380 cut-off events. For 1520/1520 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 565 event pairs, 0 based on Foata normal form. 0/360 useless extension candidates. Maximal degree in co-relation 0. Up to 21 conditions per place. [2023-01-28 00:29:22,594 INFO L119 LiptonReduction]: Number of co-enabled transitions 53240 [2023-01-28 00:29:25,247 INFO L134 LiptonReduction]: Checked pairs total: 84850 [2023-01-28 00:29:25,247 INFO L136 LiptonReduction]: Total number of compositions: 181 [2023-01-28 00:29:25,248 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == InUseError ======== [2023-01-28 00:29:25,248 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;@47cf2852, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-01-28 00:29:25,248 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-01-28 00:29:25,259 INFO L130 PetriNetUnfolder]: 0/121 cut-off events. [2023-01-28 00:29:25,259 INFO L131 PetriNetUnfolder]: For 1520/1520 co-relation queries the response was YES. [2023-01-28 00:29:25,259 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-01-28 00:29:25,259 INFO L208 CegarLoopForPetriNet]: trace histogram [20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-01-28 00:29:25,259 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-01-28 00:29:25,259 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-01-28 00:29:25,259 INFO L85 PathProgramCache]: Analyzing trace with hash -1466920370, now seen corresponding path program 1 times [2023-01-28 00:29:25,259 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-01-28 00:29:25,259 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [805909364] [2023-01-28 00:29:25,259 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-28 00:29:25,260 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-01-28 00:29:25,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-01-28 00:29:25,278 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-01-28 00:29:25,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-01-28 00:29:25,295 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-01-28 00:29:25,295 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-01-28 00:29:25,295 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 1 remaining) [2023-01-28 00:29:25,295 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2023-01-28 00:29:25,295 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-01-28 00:29:25,295 INFO L307 ceAbstractionStarter]: Result for error location InUseError was UNSAFE (1/2) [2023-01-28 00:29:25,295 WARN L233 ceAbstractionStarter]: 20 thread instances were not sufficient, I will increase this number and restart the analysis [2023-01-28 00:29:25,295 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 21 thread instances. [2023-01-28 00:29:25,320 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-01-28 00:29:25,322 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 322 places, 280 transitions, 1085 flow [2023-01-28 00:29:25,389 INFO L130 PetriNetUnfolder]: 22/530 cut-off events. [2023-01-28 00:29:25,389 INFO L131 PetriNetUnfolder]: For 1750/1750 co-relation queries the response was YES. [2023-01-28 00:29:25,395 INFO L83 FinitePrefix]: Finished finitePrefix Result has 825 conditions, 530 events. 22/530 cut-off events. For 1750/1750 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 1088 event pairs, 0 based on Foata normal form. 0/465 useless extension candidates. Maximal degree in co-relation 764. Up to 44 conditions per place. [2023-01-28 00:29:25,395 INFO L82 GeneralOperation]: Start removeDead. Operand has 322 places, 280 transitions, 1085 flow [2023-01-28 00:29:25,397 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 317 places, 274 transitions, 1073 flow [2023-01-28 00:29:25,397 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-01-28 00:29:25,397 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 317 places, 274 transitions, 1073 flow [2023-01-28 00:29:25,397 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 317 places, 274 transitions, 1073 flow [2023-01-28 00:29:25,397 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 317 places, 274 transitions, 1073 flow [2023-01-28 00:29:25,447 INFO L130 PetriNetUnfolder]: 0/398 cut-off events. [2023-01-28 00:29:25,447 INFO L131 PetriNetUnfolder]: For 1750/1750 co-relation queries the response was YES. [2023-01-28 00:29:25,447 INFO L83 FinitePrefix]: Finished finitePrefix Result has 693 conditions, 398 events. 0/398 cut-off events. For 1750/1750 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 581 event pairs, 0 based on Foata normal form. 0/377 useless extension candidates. Maximal degree in co-relation 0. Up to 22 conditions per place. [2023-01-28 00:29:25,461 INFO L119 LiptonReduction]: Number of co-enabled transitions 58674 [2023-01-28 00:29:28,083 INFO L134 LiptonReduction]: Checked pairs total: 98430 [2023-01-28 00:29:28,084 INFO L136 LiptonReduction]: Total number of compositions: 189 [2023-01-28 00:29:28,084 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == InUseError ======== [2023-01-28 00:29:28,085 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;@47cf2852, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-01-28 00:29:28,085 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-01-28 00:29:28,095 INFO L130 PetriNetUnfolder]: 0/127 cut-off events. [2023-01-28 00:29:28,096 INFO L131 PetriNetUnfolder]: For 1750/1750 co-relation queries the response was YES. [2023-01-28 00:29:28,096 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-01-28 00:29:28,096 INFO L208 CegarLoopForPetriNet]: trace histogram [21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-01-28 00:29:28,096 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-01-28 00:29:28,096 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-01-28 00:29:28,096 INFO L85 PathProgramCache]: Analyzing trace with hash 147972966, now seen corresponding path program 1 times [2023-01-28 00:29:28,096 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-01-28 00:29:28,096 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [934285004] [2023-01-28 00:29:28,096 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-28 00:29:28,096 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-01-28 00:29:28,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-01-28 00:29:28,115 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-01-28 00:29:28,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-01-28 00:29:28,131 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-01-28 00:29:28,132 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-01-28 00:29:28,132 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 1 remaining) [2023-01-28 00:29:28,132 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2023-01-28 00:29:28,132 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-01-28 00:29:28,132 INFO L307 ceAbstractionStarter]: Result for error location InUseError was UNSAFE (1/2) [2023-01-28 00:29:28,132 WARN L233 ceAbstractionStarter]: 21 thread instances were not sufficient, I will increase this number and restart the analysis [2023-01-28 00:29:28,132 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 22 thread instances. [2023-01-28 00:29:28,157 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-01-28 00:29:28,159 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 336 places, 292 transitions, 1156 flow [2023-01-28 00:29:28,232 INFO L130 PetriNetUnfolder]: 23/554 cut-off events. [2023-01-28 00:29:28,232 INFO L131 PetriNetUnfolder]: For 2002/2002 co-relation queries the response was YES. [2023-01-28 00:29:28,240 INFO L83 FinitePrefix]: Finished finitePrefix Result has 874 conditions, 554 events. 23/554 cut-off events. For 2002/2002 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 1165 event pairs, 0 based on Foata normal form. 0/486 useless extension candidates. Maximal degree in co-relation 812. Up to 46 conditions per place. [2023-01-28 00:29:28,240 INFO L82 GeneralOperation]: Start removeDead. Operand has 336 places, 292 transitions, 1156 flow [2023-01-28 00:29:28,241 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 331 places, 286 transitions, 1144 flow [2023-01-28 00:29:28,242 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-01-28 00:29:28,242 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 331 places, 286 transitions, 1144 flow [2023-01-28 00:29:28,242 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 331 places, 286 transitions, 1144 flow [2023-01-28 00:29:28,242 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 331 places, 286 transitions, 1144 flow [2023-01-28 00:29:28,297 INFO L130 PetriNetUnfolder]: 0/416 cut-off events. [2023-01-28 00:29:28,297 INFO L131 PetriNetUnfolder]: For 2002/2002 co-relation queries the response was YES. [2023-01-28 00:29:28,297 INFO L83 FinitePrefix]: Finished finitePrefix Result has 736 conditions, 416 events. 0/416 cut-off events. For 2002/2002 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 626 event pairs, 0 based on Foata normal form. 0/394 useless extension candidates. Maximal degree in co-relation 0. Up to 23 conditions per place. [2023-01-28 00:29:28,312 INFO L119 LiptonReduction]: Number of co-enabled transitions 64372 [2023-01-28 00:29:31,251 INFO L134 LiptonReduction]: Checked pairs total: 116853 [2023-01-28 00:29:31,251 INFO L136 LiptonReduction]: Total number of compositions: 197 [2023-01-28 00:29:31,252 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == InUseError ======== [2023-01-28 00:29:31,252 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;@47cf2852, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-01-28 00:29:31,252 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-01-28 00:29:31,264 INFO L130 PetriNetUnfolder]: 0/133 cut-off events. [2023-01-28 00:29:31,264 INFO L131 PetriNetUnfolder]: For 2002/2002 co-relation queries the response was YES. [2023-01-28 00:29:31,264 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-01-28 00:29:31,264 INFO L208 CegarLoopForPetriNet]: trace histogram [22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-01-28 00:29:31,265 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-01-28 00:29:31,265 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-01-28 00:29:31,265 INFO L85 PathProgramCache]: Analyzing trace with hash -576215557, now seen corresponding path program 1 times [2023-01-28 00:29:31,265 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-01-28 00:29:31,265 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [320192571] [2023-01-28 00:29:31,265 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-28 00:29:31,265 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-01-28 00:29:31,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-01-28 00:29:31,285 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-01-28 00:29:31,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-01-28 00:29:31,303 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-01-28 00:29:31,303 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-01-28 00:29:31,303 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 1 remaining) [2023-01-28 00:29:31,303 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2023-01-28 00:29:31,303 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-01-28 00:29:31,304 INFO L307 ceAbstractionStarter]: Result for error location InUseError was UNSAFE (1/2) [2023-01-28 00:29:31,304 WARN L233 ceAbstractionStarter]: 22 thread instances were not sufficient, I will increase this number and restart the analysis [2023-01-28 00:29:31,304 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 23 thread instances. [2023-01-28 00:29:31,331 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-01-28 00:29:31,333 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 350 places, 304 transitions, 1229 flow [2023-01-28 00:29:31,413 INFO L130 PetriNetUnfolder]: 24/578 cut-off events. [2023-01-28 00:29:31,414 INFO L131 PetriNetUnfolder]: For 2277/2277 co-relation queries the response was YES. [2023-01-28 00:29:31,423 INFO L83 FinitePrefix]: Finished finitePrefix Result has 924 conditions, 578 events. 24/578 cut-off events. For 2277/2277 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 1203 event pairs, 0 based on Foata normal form. 0/507 useless extension candidates. Maximal degree in co-relation 861. Up to 48 conditions per place. [2023-01-28 00:29:31,423 INFO L82 GeneralOperation]: Start removeDead. Operand has 350 places, 304 transitions, 1229 flow [2023-01-28 00:29:31,425 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 345 places, 298 transitions, 1217 flow [2023-01-28 00:29:31,425 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-01-28 00:29:31,425 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 345 places, 298 transitions, 1217 flow [2023-01-28 00:29:31,425 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 345 places, 298 transitions, 1217 flow [2023-01-28 00:29:31,425 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 345 places, 298 transitions, 1217 flow [2023-01-28 00:29:31,507 INFO L130 PetriNetUnfolder]: 0/434 cut-off events. [2023-01-28 00:29:31,507 INFO L131 PetriNetUnfolder]: For 2277/2277 co-relation queries the response was YES. [2023-01-28 00:29:31,507 INFO L83 FinitePrefix]: Finished finitePrefix Result has 780 conditions, 434 events. 0/434 cut-off events. For 2277/2277 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 642 event pairs, 0 based on Foata normal form. 0/411 useless extension candidates. Maximal degree in co-relation 0. Up to 24 conditions per place. [2023-01-28 00:29:31,524 INFO L119 LiptonReduction]: Number of co-enabled transitions 70334 [2023-01-28 00:29:34,478 INFO L134 LiptonReduction]: Checked pairs total: 111606 [2023-01-28 00:29:34,478 INFO L136 LiptonReduction]: Total number of compositions: 205 [2023-01-28 00:29:34,478 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == InUseError ======== [2023-01-28 00:29:34,479 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;@47cf2852, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-01-28 00:29:34,479 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-01-28 00:29:34,492 INFO L130 PetriNetUnfolder]: 0/139 cut-off events. [2023-01-28 00:29:34,492 INFO L131 PetriNetUnfolder]: For 2277/2277 co-relation queries the response was YES. [2023-01-28 00:29:34,492 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-01-28 00:29:34,492 INFO L208 CegarLoopForPetriNet]: trace histogram [23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-01-28 00:29:34,492 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-01-28 00:29:34,492 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-01-28 00:29:34,492 INFO L85 PathProgramCache]: Analyzing trace with hash 605710621, now seen corresponding path program 1 times [2023-01-28 00:29:34,492 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-01-28 00:29:34,493 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [131338159] [2023-01-28 00:29:34,493 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-28 00:29:34,493 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-01-28 00:29:34,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-01-28 00:29:34,511 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-01-28 00:29:34,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-01-28 00:29:34,528 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-01-28 00:29:34,528 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-01-28 00:29:34,528 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 1 remaining) [2023-01-28 00:29:34,528 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2023-01-28 00:29:34,528 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-01-28 00:29:34,528 INFO L307 ceAbstractionStarter]: Result for error location InUseError was UNSAFE (1/2) [2023-01-28 00:29:34,529 WARN L233 ceAbstractionStarter]: 23 thread instances were not sufficient, I will increase this number and restart the analysis [2023-01-28 00:29:34,529 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 24 thread instances. [2023-01-28 00:29:34,592 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-01-28 00:29:34,593 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 364 places, 316 transitions, 1304 flow [2023-01-28 00:29:34,676 INFO L130 PetriNetUnfolder]: 25/602 cut-off events. [2023-01-28 00:29:34,677 INFO L131 PetriNetUnfolder]: For 2576/2576 co-relation queries the response was YES. [2023-01-28 00:29:34,686 INFO L83 FinitePrefix]: Finished finitePrefix Result has 975 conditions, 602 events. 25/602 cut-off events. For 2576/2576 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 1248 event pairs, 0 based on Foata normal form. 0/528 useless extension candidates. Maximal degree in co-relation 911. Up to 50 conditions per place. [2023-01-28 00:29:34,686 INFO L82 GeneralOperation]: Start removeDead. Operand has 364 places, 316 transitions, 1304 flow [2023-01-28 00:29:34,688 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 359 places, 310 transitions, 1292 flow [2023-01-28 00:29:34,688 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-01-28 00:29:34,688 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 359 places, 310 transitions, 1292 flow [2023-01-28 00:29:34,688 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 359 places, 310 transitions, 1292 flow [2023-01-28 00:29:34,688 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 359 places, 310 transitions, 1292 flow [2023-01-28 00:29:34,751 INFO L130 PetriNetUnfolder]: 0/452 cut-off events. [2023-01-28 00:29:34,752 INFO L131 PetriNetUnfolder]: For 2576/2576 co-relation queries the response was YES. [2023-01-28 00:29:34,752 INFO L83 FinitePrefix]: Finished finitePrefix Result has 825 conditions, 452 events. 0/452 cut-off events. For 2576/2576 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 670 event pairs, 0 based on Foata normal form. 0/428 useless extension candidates. Maximal degree in co-relation 0. Up to 25 conditions per place. [2023-01-28 00:29:34,769 INFO L119 LiptonReduction]: Number of co-enabled transitions 76560 [2023-01-28 00:29:37,779 INFO L134 LiptonReduction]: Checked pairs total: 121083 [2023-01-28 00:29:37,780 INFO L136 LiptonReduction]: Total number of compositions: 213 [2023-01-28 00:29:37,780 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == InUseError ======== [2023-01-28 00:29:37,781 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;@47cf2852, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-01-28 00:29:37,781 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-01-28 00:29:37,794 INFO L130 PetriNetUnfolder]: 0/145 cut-off events. [2023-01-28 00:29:37,794 INFO L131 PetriNetUnfolder]: For 2576/2576 co-relation queries the response was YES. [2023-01-28 00:29:37,794 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-01-28 00:29:37,794 INFO L208 CegarLoopForPetriNet]: trace histogram [24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-01-28 00:29:37,794 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-01-28 00:29:37,795 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-01-28 00:29:37,795 INFO L85 PathProgramCache]: Analyzing trace with hash -1109509464, now seen corresponding path program 1 times [2023-01-28 00:29:37,795 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-01-28 00:29:37,795 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [110182985] [2023-01-28 00:29:37,795 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-28 00:29:37,795 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-01-28 00:29:37,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-01-28 00:29:37,819 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-01-28 00:29:37,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-01-28 00:29:37,837 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-01-28 00:29:37,837 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-01-28 00:29:37,837 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 1 remaining) [2023-01-28 00:29:37,837 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2023-01-28 00:29:37,837 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-01-28 00:29:37,838 INFO L307 ceAbstractionStarter]: Result for error location InUseError was UNSAFE (1/2) [2023-01-28 00:29:37,838 WARN L233 ceAbstractionStarter]: 24 thread instances were not sufficient, I will increase this number and restart the analysis [2023-01-28 00:29:37,838 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 25 thread instances. [2023-01-28 00:29:37,868 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-01-28 00:29:37,870 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 378 places, 328 transitions, 1381 flow [2023-01-28 00:29:37,963 INFO L130 PetriNetUnfolder]: 26/626 cut-off events. [2023-01-28 00:29:37,964 INFO L131 PetriNetUnfolder]: For 2900/2900 co-relation queries the response was YES. [2023-01-28 00:29:37,975 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1027 conditions, 626 events. 26/626 cut-off events. For 2900/2900 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 1312 event pairs, 0 based on Foata normal form. 0/549 useless extension candidates. Maximal degree in co-relation 962. Up to 52 conditions per place. [2023-01-28 00:29:37,975 INFO L82 GeneralOperation]: Start removeDead. Operand has 378 places, 328 transitions, 1381 flow [2023-01-28 00:29:37,977 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 373 places, 322 transitions, 1369 flow [2023-01-28 00:29:37,977 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-01-28 00:29:37,977 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 373 places, 322 transitions, 1369 flow [2023-01-28 00:29:37,977 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 373 places, 322 transitions, 1369 flow [2023-01-28 00:29:37,977 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 373 places, 322 transitions, 1369 flow [2023-01-28 00:29:38,047 INFO L130 PetriNetUnfolder]: 0/470 cut-off events. [2023-01-28 00:29:38,047 INFO L131 PetriNetUnfolder]: For 2900/2900 co-relation queries the response was YES. [2023-01-28 00:29:38,048 INFO L83 FinitePrefix]: Finished finitePrefix Result has 871 conditions, 470 events. 0/470 cut-off events. For 2900/2900 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 705 event pairs, 0 based on Foata normal form. 0/445 useless extension candidates. Maximal degree in co-relation 0. Up to 26 conditions per place. [2023-01-28 00:29:38,068 INFO L119 LiptonReduction]: Number of co-enabled transitions 83050 [2023-01-28 00:29:41,267 INFO L134 LiptonReduction]: Checked pairs total: 140756 [2023-01-28 00:29:41,267 INFO L136 LiptonReduction]: Total number of compositions: 221 [2023-01-28 00:29:41,268 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == InUseError ======== [2023-01-28 00:29:41,268 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;@47cf2852, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-01-28 00:29:41,268 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-01-28 00:29:41,283 INFO L130 PetriNetUnfolder]: 0/151 cut-off events. [2023-01-28 00:29:41,283 INFO L131 PetriNetUnfolder]: For 2900/2900 co-relation queries the response was YES. [2023-01-28 00:29:41,284 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-01-28 00:29:41,284 INFO L208 CegarLoopForPetriNet]: trace histogram [25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-01-28 00:29:41,284 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-01-28 00:29:41,284 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-01-28 00:29:41,284 INFO L85 PathProgramCache]: Analyzing trace with hash 729871974, now seen corresponding path program 1 times [2023-01-28 00:29:41,284 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-01-28 00:29:41,284 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1713545869] [2023-01-28 00:29:41,284 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-28 00:29:41,284 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-01-28 00:29:41,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-01-28 00:29:41,314 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-01-28 00:29:41,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-01-28 00:29:41,339 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-01-28 00:29:41,339 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-01-28 00:29:41,339 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 1 remaining) [2023-01-28 00:29:41,339 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2023-01-28 00:29:41,339 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-01-28 00:29:41,340 INFO L307 ceAbstractionStarter]: Result for error location InUseError was UNSAFE (1/2) [2023-01-28 00:29:41,340 WARN L233 ceAbstractionStarter]: 25 thread instances were not sufficient, I will increase this number and restart the analysis [2023-01-28 00:29:41,340 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 26 thread instances. [2023-01-28 00:29:41,375 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-01-28 00:29:41,377 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 392 places, 340 transitions, 1460 flow [2023-01-28 00:29:41,482 INFO L130 PetriNetUnfolder]: 27/650 cut-off events. [2023-01-28 00:29:41,482 INFO L131 PetriNetUnfolder]: For 3250/3250 co-relation queries the response was YES. [2023-01-28 00:29:41,493 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1080 conditions, 650 events. 27/650 cut-off events. For 3250/3250 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 1359 event pairs, 0 based on Foata normal form. 0/570 useless extension candidates. Maximal degree in co-relation 1014. Up to 54 conditions per place. [2023-01-28 00:29:41,493 INFO L82 GeneralOperation]: Start removeDead. Operand has 392 places, 340 transitions, 1460 flow [2023-01-28 00:29:41,495 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 387 places, 334 transitions, 1448 flow [2023-01-28 00:29:41,495 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-01-28 00:29:41,496 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 387 places, 334 transitions, 1448 flow [2023-01-28 00:29:41,496 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 387 places, 334 transitions, 1448 flow [2023-01-28 00:29:41,496 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 387 places, 334 transitions, 1448 flow [2023-01-28 00:29:41,633 INFO L130 PetriNetUnfolder]: 0/488 cut-off events. [2023-01-28 00:29:41,633 INFO L131 PetriNetUnfolder]: For 3250/3250 co-relation queries the response was YES. [2023-01-28 00:29:41,634 INFO L83 FinitePrefix]: Finished finitePrefix Result has 918 conditions, 488 events. 0/488 cut-off events. For 3250/3250 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 728 event pairs, 0 based on Foata normal form. 0/462 useless extension candidates. Maximal degree in co-relation 0. Up to 27 conditions per place. [2023-01-28 00:29:41,661 INFO L119 LiptonReduction]: Number of co-enabled transitions 89804 [2023-01-28 00:29:44,919 INFO L134 LiptonReduction]: Checked pairs total: 149907 [2023-01-28 00:29:44,919 INFO L136 LiptonReduction]: Total number of compositions: 229 [2023-01-28 00:29:44,920 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == InUseError ======== [2023-01-28 00:29:44,920 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;@47cf2852, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-01-28 00:29:44,920 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-01-28 00:29:44,936 INFO L130 PetriNetUnfolder]: 0/157 cut-off events. [2023-01-28 00:29:44,936 INFO L131 PetriNetUnfolder]: For 3250/3250 co-relation queries the response was YES. [2023-01-28 00:29:44,936 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-01-28 00:29:44,937 INFO L208 CegarLoopForPetriNet]: trace histogram [26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-01-28 00:29:44,937 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-01-28 00:29:44,937 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-01-28 00:29:44,937 INFO L85 PathProgramCache]: Analyzing trace with hash 2124113141, now seen corresponding path program 1 times [2023-01-28 00:29:44,937 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-01-28 00:29:44,937 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1313199186] [2023-01-28 00:29:44,937 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-28 00:29:44,937 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-01-28 00:29:44,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-01-28 00:29:44,959 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-01-28 00:29:44,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-01-28 00:29:44,981 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-01-28 00:29:44,981 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-01-28 00:29:44,981 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 1 remaining) [2023-01-28 00:29:44,981 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2023-01-28 00:29:44,981 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-01-28 00:29:44,981 INFO L307 ceAbstractionStarter]: Result for error location InUseError was UNSAFE (1/2) [2023-01-28 00:29:44,982 WARN L233 ceAbstractionStarter]: 26 thread instances were not sufficient, I will increase this number and restart the analysis [2023-01-28 00:29:44,982 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 27 thread instances. [2023-01-28 00:29:45,055 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-01-28 00:29:45,057 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 406 places, 352 transitions, 1541 flow [2023-01-28 00:29:45,182 INFO L130 PetriNetUnfolder]: 28/674 cut-off events. [2023-01-28 00:29:45,182 INFO L131 PetriNetUnfolder]: For 3627/3627 co-relation queries the response was YES. [2023-01-28 00:29:45,194 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1134 conditions, 674 events. 28/674 cut-off events. For 3627/3627 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 1421 event pairs, 0 based on Foata normal form. 0/591 useless extension candidates. Maximal degree in co-relation 1067. Up to 56 conditions per place. [2023-01-28 00:29:45,195 INFO L82 GeneralOperation]: Start removeDead. Operand has 406 places, 352 transitions, 1541 flow [2023-01-28 00:29:45,196 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 401 places, 346 transitions, 1529 flow [2023-01-28 00:29:45,196 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-01-28 00:29:45,197 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 401 places, 346 transitions, 1529 flow [2023-01-28 00:29:45,197 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 401 places, 346 transitions, 1529 flow [2023-01-28 00:29:45,197 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 401 places, 346 transitions, 1529 flow [2023-01-28 00:29:45,282 INFO L130 PetriNetUnfolder]: 0/506 cut-off events. [2023-01-28 00:29:45,282 INFO L131 PetriNetUnfolder]: For 3627/3627 co-relation queries the response was YES. [2023-01-28 00:29:45,282 INFO L83 FinitePrefix]: Finished finitePrefix Result has 966 conditions, 506 events. 0/506 cut-off events. For 3627/3627 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 763 event pairs, 0 based on Foata normal form. 0/479 useless extension candidates. Maximal degree in co-relation 0. Up to 28 conditions per place. [2023-01-28 00:29:45,307 INFO L119 LiptonReduction]: Number of co-enabled transitions 96822 [2023-01-28 00:29:48,575 INFO L134 LiptonReduction]: Checked pairs total: 161554 [2023-01-28 00:29:48,575 INFO L136 LiptonReduction]: Total number of compositions: 237 [2023-01-28 00:29:48,576 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == InUseError ======== [2023-01-28 00:29:48,576 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;@47cf2852, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-01-28 00:29:48,576 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-01-28 00:29:48,598 INFO L130 PetriNetUnfolder]: 0/163 cut-off events. [2023-01-28 00:29:48,598 INFO L131 PetriNetUnfolder]: For 3627/3627 co-relation queries the response was YES. [2023-01-28 00:29:48,598 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-01-28 00:29:48,598 INFO L208 CegarLoopForPetriNet]: trace histogram [27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-01-28 00:29:48,598 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-01-28 00:29:48,598 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-01-28 00:29:48,598 INFO L85 PathProgramCache]: Analyzing trace with hash -779766788, now seen corresponding path program 1 times [2023-01-28 00:29:48,599 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-01-28 00:29:48,599 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [380311838] [2023-01-28 00:29:48,599 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-28 00:29:48,599 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-01-28 00:29:48,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-01-28 00:29:48,620 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-01-28 00:29:48,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-01-28 00:29:48,644 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-01-28 00:29:48,644 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-01-28 00:29:48,644 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 1 remaining) [2023-01-28 00:29:48,644 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2023-01-28 00:29:48,644 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-01-28 00:29:48,644 INFO L307 ceAbstractionStarter]: Result for error location InUseError was UNSAFE (1/2) [2023-01-28 00:29:48,644 WARN L233 ceAbstractionStarter]: 27 thread instances were not sufficient, I will increase this number and restart the analysis [2023-01-28 00:29:48,644 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 28 thread instances. [2023-01-28 00:29:48,677 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-01-28 00:29:48,679 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 420 places, 364 transitions, 1624 flow [2023-01-28 00:29:48,799 INFO L130 PetriNetUnfolder]: 29/698 cut-off events. [2023-01-28 00:29:48,799 INFO L131 PetriNetUnfolder]: For 4032/4032 co-relation queries the response was YES. [2023-01-28 00:29:48,813 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1189 conditions, 698 events. 29/698 cut-off events. For 4032/4032 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 1463 event pairs, 0 based on Foata normal form. 0/612 useless extension candidates. Maximal degree in co-relation 1121. Up to 58 conditions per place. [2023-01-28 00:29:48,813 INFO L82 GeneralOperation]: Start removeDead. Operand has 420 places, 364 transitions, 1624 flow [2023-01-28 00:29:48,815 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 415 places, 358 transitions, 1612 flow [2023-01-28 00:29:48,815 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-01-28 00:29:48,815 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 415 places, 358 transitions, 1612 flow [2023-01-28 00:29:48,816 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 415 places, 358 transitions, 1612 flow [2023-01-28 00:29:48,816 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 415 places, 358 transitions, 1612 flow [2023-01-28 00:29:48,906 INFO L130 PetriNetUnfolder]: 0/524 cut-off events. [2023-01-28 00:29:48,906 INFO L131 PetriNetUnfolder]: For 4032/4032 co-relation queries the response was YES. [2023-01-28 00:29:48,906 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1015 conditions, 524 events. 0/524 cut-off events. For 4032/4032 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 788 event pairs, 0 based on Foata normal form. 0/496 useless extension candidates. Maximal degree in co-relation 0. Up to 29 conditions per place. [2023-01-28 00:29:48,934 INFO L119 LiptonReduction]: Number of co-enabled transitions 104104 [2023-01-28 00:29:52,384 INFO L134 LiptonReduction]: Checked pairs total: 170283 [2023-01-28 00:29:52,384 INFO L136 LiptonReduction]: Total number of compositions: 245 [2023-01-28 00:29:52,385 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == InUseError ======== [2023-01-28 00:29:52,385 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;@47cf2852, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-01-28 00:29:52,385 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-01-28 00:29:52,403 INFO L130 PetriNetUnfolder]: 0/169 cut-off events. [2023-01-28 00:29:52,403 INFO L131 PetriNetUnfolder]: For 4032/4032 co-relation queries the response was YES. [2023-01-28 00:29:52,403 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-01-28 00:29:52,403 INFO L208 CegarLoopForPetriNet]: trace histogram [28, 28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-01-28 00:29:52,403 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-01-28 00:29:52,403 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-01-28 00:29:52,403 INFO L85 PathProgramCache]: Analyzing trace with hash -1304875198, now seen corresponding path program 1 times [2023-01-28 00:29:52,403 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-01-28 00:29:52,404 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [868996778] [2023-01-28 00:29:52,404 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-28 00:29:52,404 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-01-28 00:29:52,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-01-28 00:29:52,428 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-01-28 00:29:52,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-01-28 00:29:52,452 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-01-28 00:29:52,452 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-01-28 00:29:52,452 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 1 remaining) [2023-01-28 00:29:52,452 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2023-01-28 00:29:52,452 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-01-28 00:29:52,453 INFO L307 ceAbstractionStarter]: Result for error location InUseError was UNSAFE (1/2) [2023-01-28 00:29:52,453 WARN L233 ceAbstractionStarter]: 28 thread instances were not sufficient, I will increase this number and restart the analysis [2023-01-28 00:29:52,453 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 29 thread instances. [2023-01-28 00:29:52,486 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-01-28 00:29:52,488 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 434 places, 376 transitions, 1709 flow [2023-01-28 00:29:52,610 INFO L130 PetriNetUnfolder]: 30/722 cut-off events. [2023-01-28 00:29:52,610 INFO L131 PetriNetUnfolder]: For 4466/4466 co-relation queries the response was YES. [2023-01-28 00:29:52,626 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1245 conditions, 722 events. 30/722 cut-off events. For 4466/4466 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 1508 event pairs, 0 based on Foata normal form. 0/633 useless extension candidates. Maximal degree in co-relation 1176. Up to 60 conditions per place. [2023-01-28 00:29:52,626 INFO L82 GeneralOperation]: Start removeDead. Operand has 434 places, 376 transitions, 1709 flow [2023-01-28 00:29:52,628 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 429 places, 370 transitions, 1697 flow [2023-01-28 00:29:52,628 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-01-28 00:29:52,628 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 429 places, 370 transitions, 1697 flow [2023-01-28 00:29:52,628 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 429 places, 370 transitions, 1697 flow [2023-01-28 00:29:52,628 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 429 places, 370 transitions, 1697 flow [2023-01-28 00:29:52,770 INFO L130 PetriNetUnfolder]: 0/542 cut-off events. [2023-01-28 00:29:52,770 INFO L131 PetriNetUnfolder]: For 4466/4466 co-relation queries the response was YES. [2023-01-28 00:29:52,776 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1065 conditions, 542 events. 0/542 cut-off events. For 4466/4466 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 810 event pairs, 0 based on Foata normal form. 0/513 useless extension candidates. Maximal degree in co-relation 0. Up to 30 conditions per place. [2023-01-28 00:29:52,808 INFO L119 LiptonReduction]: Number of co-enabled transitions 111650 [2023-01-28 00:29:56,422 INFO L134 LiptonReduction]: Checked pairs total: 175889 [2023-01-28 00:29:56,423 INFO L136 LiptonReduction]: Total number of compositions: 253 [2023-01-28 00:29:56,423 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == InUseError ======== [2023-01-28 00:29:56,424 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;@47cf2852, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-01-28 00:29:56,424 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-01-28 00:29:56,444 INFO L130 PetriNetUnfolder]: 0/175 cut-off events. [2023-01-28 00:29:56,444 INFO L131 PetriNetUnfolder]: For 4466/4466 co-relation queries the response was YES. [2023-01-28 00:29:56,444 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-01-28 00:29:56,444 INFO L208 CegarLoopForPetriNet]: trace histogram [29, 29, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-01-28 00:29:56,444 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-01-28 00:29:56,444 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-01-28 00:29:56,445 INFO L85 PathProgramCache]: Analyzing trace with hash 1674551718, now seen corresponding path program 1 times [2023-01-28 00:29:56,445 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-01-28 00:29:56,445 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2017127397] [2023-01-28 00:29:56,445 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-28 00:29:56,445 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-01-28 00:29:56,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-01-28 00:29:56,487 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-01-28 00:29:56,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-01-28 00:29:56,514 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-01-28 00:29:56,514 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-01-28 00:29:56,514 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 1 remaining) [2023-01-28 00:29:56,514 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2023-01-28 00:29:56,514 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-01-28 00:29:56,515 INFO L307 ceAbstractionStarter]: Result for error location InUseError was UNSAFE (1/2) [2023-01-28 00:29:56,515 WARN L233 ceAbstractionStarter]: 29 thread instances were not sufficient, I will increase this number and restart the analysis [2023-01-28 00:29:56,515 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 30 thread instances. [2023-01-28 00:29:56,551 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-01-28 00:29:56,553 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 448 places, 388 transitions, 1796 flow [2023-01-28 00:29:56,730 INFO L130 PetriNetUnfolder]: 31/746 cut-off events. [2023-01-28 00:29:56,730 INFO L131 PetriNetUnfolder]: For 4930/4930 co-relation queries the response was YES. [2023-01-28 00:29:56,742 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1302 conditions, 746 events. 31/746 cut-off events. For 4930/4930 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 1595 event pairs, 0 based on Foata normal form. 0/654 useless extension candidates. Maximal degree in co-relation 1232. Up to 62 conditions per place. [2023-01-28 00:29:56,742 INFO L82 GeneralOperation]: Start removeDead. Operand has 448 places, 388 transitions, 1796 flow [2023-01-28 00:29:56,743 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 443 places, 382 transitions, 1784 flow [2023-01-28 00:29:56,744 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-01-28 00:29:56,744 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 443 places, 382 transitions, 1784 flow [2023-01-28 00:29:56,744 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 443 places, 382 transitions, 1784 flow [2023-01-28 00:29:56,744 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 443 places, 382 transitions, 1784 flow [2023-01-28 00:29:56,851 INFO L130 PetriNetUnfolder]: 0/560 cut-off events. [2023-01-28 00:29:56,851 INFO L131 PetriNetUnfolder]: For 4930/4930 co-relation queries the response was YES. [2023-01-28 00:29:56,851 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1116 conditions, 560 events. 0/560 cut-off events. For 4930/4930 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 858 event pairs, 0 based on Foata normal form. 0/530 useless extension candidates. Maximal degree in co-relation 0. Up to 31 conditions per place. [2023-01-28 00:29:56,883 INFO L119 LiptonReduction]: Number of co-enabled transitions 119460 [2023-01-28 00:30:00,627 INFO L134 LiptonReduction]: Checked pairs total: 213210 [2023-01-28 00:30:00,627 INFO L136 LiptonReduction]: Total number of compositions: 261 [2023-01-28 00:30:00,628 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == InUseError ======== [2023-01-28 00:30:00,628 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;@47cf2852, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-01-28 00:30:00,628 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-01-28 00:30:00,682 INFO L130 PetriNetUnfolder]: 0/181 cut-off events. [2023-01-28 00:30:00,682 INFO L131 PetriNetUnfolder]: For 4930/4930 co-relation queries the response was YES. [2023-01-28 00:30:00,682 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-01-28 00:30:00,682 INFO L208 CegarLoopForPetriNet]: trace histogram [30, 30, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-01-28 00:30:00,682 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-01-28 00:30:00,682 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-01-28 00:30:00,682 INFO L85 PathProgramCache]: Analyzing trace with hash -1787054353, now seen corresponding path program 1 times [2023-01-28 00:30:00,682 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-01-28 00:30:00,682 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [959576596] [2023-01-28 00:30:00,682 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-28 00:30:00,683 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-01-28 00:30:00,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-01-28 00:30:00,723 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-01-28 00:30:00,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-01-28 00:30:00,749 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-01-28 00:30:00,749 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-01-28 00:30:00,749 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 1 remaining) [2023-01-28 00:30:00,749 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2023-01-28 00:30:00,749 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-01-28 00:30:00,750 INFO L307 ceAbstractionStarter]: Result for error location InUseError was UNSAFE (1/2) [2023-01-28 00:30:00,750 WARN L233 ceAbstractionStarter]: 30 thread instances were not sufficient, I will increase this number and restart the analysis [2023-01-28 00:30:00,750 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 31 thread instances. [2023-01-28 00:30:00,781 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-01-28 00:30:00,783 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 462 places, 400 transitions, 1885 flow [2023-01-28 00:30:00,928 INFO L130 PetriNetUnfolder]: 32/770 cut-off events. [2023-01-28 00:30:00,929 INFO L131 PetriNetUnfolder]: For 5425/5425 co-relation queries the response was YES. [2023-01-28 00:30:00,945 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1360 conditions, 770 events. 32/770 cut-off events. For 5425/5425 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 1638 event pairs, 0 based on Foata normal form. 0/675 useless extension candidates. Maximal degree in co-relation 1289. Up to 64 conditions per place. [2023-01-28 00:30:00,946 INFO L82 GeneralOperation]: Start removeDead. Operand has 462 places, 400 transitions, 1885 flow [2023-01-28 00:30:00,948 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 457 places, 394 transitions, 1873 flow [2023-01-28 00:30:00,948 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-01-28 00:30:00,948 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 457 places, 394 transitions, 1873 flow [2023-01-28 00:30:00,949 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 457 places, 394 transitions, 1873 flow [2023-01-28 00:30:00,949 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 457 places, 394 transitions, 1873 flow [2023-01-28 00:30:01,061 INFO L130 PetriNetUnfolder]: 0/578 cut-off events. [2023-01-28 00:30:01,061 INFO L131 PetriNetUnfolder]: For 5425/5425 co-relation queries the response was YES. [2023-01-28 00:30:01,062 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1168 conditions, 578 events. 0/578 cut-off events. For 5425/5425 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 885 event pairs, 0 based on Foata normal form. 0/547 useless extension candidates. Maximal degree in co-relation 0. Up to 32 conditions per place. [2023-01-28 00:30:01,096 INFO L119 LiptonReduction]: Number of co-enabled transitions 127534 [2023-01-28 00:30:04,908 INFO L134 LiptonReduction]: Checked pairs total: 226761 [2023-01-28 00:30:04,909 INFO L136 LiptonReduction]: Total number of compositions: 269 [2023-01-28 00:30:04,909 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == InUseError ======== [2023-01-28 00:30:04,910 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;@47cf2852, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-01-28 00:30:04,910 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-01-28 00:30:04,932 INFO L130 PetriNetUnfolder]: 0/187 cut-off events. [2023-01-28 00:30:04,932 INFO L131 PetriNetUnfolder]: For 5425/5425 co-relation queries the response was YES. [2023-01-28 00:30:04,932 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-01-28 00:30:04,932 INFO L208 CegarLoopForPetriNet]: trace histogram [31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-01-28 00:30:04,932 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-01-28 00:30:04,932 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-01-28 00:30:04,932 INFO L85 PathProgramCache]: Analyzing trace with hash 361444897, now seen corresponding path program 1 times [2023-01-28 00:30:04,932 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-01-28 00:30:04,933 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [840104075] [2023-01-28 00:30:04,933 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-28 00:30:04,933 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-01-28 00:30:04,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-01-28 00:30:04,962 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-01-28 00:30:04,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-01-28 00:30:04,992 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-01-28 00:30:04,992 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-01-28 00:30:04,992 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 1 remaining) [2023-01-28 00:30:04,993 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2023-01-28 00:30:04,993 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-01-28 00:30:04,993 INFO L307 ceAbstractionStarter]: Result for error location InUseError was UNSAFE (1/2) [2023-01-28 00:30:04,993 WARN L233 ceAbstractionStarter]: 31 thread instances were not sufficient, I will increase this number and restart the analysis [2023-01-28 00:30:04,993 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 32 thread instances. [2023-01-28 00:30:05,029 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-01-28 00:30:05,032 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 476 places, 412 transitions, 1976 flow [2023-01-28 00:30:05,186 INFO L130 PetriNetUnfolder]: 33/794 cut-off events. [2023-01-28 00:30:05,187 INFO L131 PetriNetUnfolder]: For 5952/5952 co-relation queries the response was YES. [2023-01-28 00:30:05,206 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1419 conditions, 794 events. 33/794 cut-off events. For 5952/5952 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 1707 event pairs, 0 based on Foata normal form. 0/696 useless extension candidates. Maximal degree in co-relation 1347. Up to 66 conditions per place. [2023-01-28 00:30:05,206 INFO L82 GeneralOperation]: Start removeDead. Operand has 476 places, 412 transitions, 1976 flow [2023-01-28 00:30:05,208 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 471 places, 406 transitions, 1964 flow [2023-01-28 00:30:05,208 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-01-28 00:30:05,208 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 471 places, 406 transitions, 1964 flow [2023-01-28 00:30:05,209 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 471 places, 406 transitions, 1964 flow [2023-01-28 00:30:05,209 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 471 places, 406 transitions, 1964 flow [2023-01-28 00:30:05,327 INFO L130 PetriNetUnfolder]: 0/596 cut-off events. [2023-01-28 00:30:05,328 INFO L131 PetriNetUnfolder]: For 5952/5952 co-relation queries the response was YES. [2023-01-28 00:30:05,328 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1221 conditions, 596 events. 0/596 cut-off events. For 5952/5952 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 928 event pairs, 0 based on Foata normal form. 0/564 useless extension candidates. Maximal degree in co-relation 0. Up to 33 conditions per place. [2023-01-28 00:30:05,366 INFO L119 LiptonReduction]: Number of co-enabled transitions 135872 [2023-01-28 00:30:09,310 INFO L134 LiptonReduction]: Checked pairs total: 217691 [2023-01-28 00:30:09,310 INFO L136 LiptonReduction]: Total number of compositions: 277 [2023-01-28 00:30:09,311 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == InUseError ======== [2023-01-28 00:30:09,312 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;@47cf2852, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-01-28 00:30:09,312 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-01-28 00:30:09,335 INFO L130 PetriNetUnfolder]: 0/193 cut-off events. [2023-01-28 00:30:09,335 INFO L131 PetriNetUnfolder]: For 5952/5952 co-relation queries the response was YES. [2023-01-28 00:30:09,335 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-01-28 00:30:09,336 INFO L208 CegarLoopForPetriNet]: trace histogram [32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-01-28 00:30:09,336 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-01-28 00:30:09,336 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-01-28 00:30:09,336 INFO L85 PathProgramCache]: Analyzing trace with hash -1043421476, now seen corresponding path program 1 times [2023-01-28 00:30:09,337 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-01-28 00:30:09,337 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1041043125] [2023-01-28 00:30:09,337 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-28 00:30:09,337 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-01-28 00:30:09,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-01-28 00:30:09,364 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-01-28 00:30:09,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-01-28 00:30:09,396 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-01-28 00:30:09,396 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-01-28 00:30:09,397 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 1 remaining) [2023-01-28 00:30:09,397 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2023-01-28 00:30:09,397 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-01-28 00:30:09,397 INFO L307 ceAbstractionStarter]: Result for error location InUseError was UNSAFE (1/2) [2023-01-28 00:30:09,397 WARN L233 ceAbstractionStarter]: 32 thread instances were not sufficient, I will increase this number and restart the analysis [2023-01-28 00:30:09,397 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 33 thread instances. [2023-01-28 00:30:09,435 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-01-28 00:30:09,438 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 490 places, 424 transitions, 2069 flow [2023-01-28 00:30:09,593 INFO L130 PetriNetUnfolder]: 34/818 cut-off events. [2023-01-28 00:30:09,593 INFO L131 PetriNetUnfolder]: For 6512/6512 co-relation queries the response was YES. [2023-01-28 00:30:09,612 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1479 conditions, 818 events. 34/818 cut-off events. For 6512/6512 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 1791 event pairs, 0 based on Foata normal form. 0/717 useless extension candidates. Maximal degree in co-relation 1406. Up to 68 conditions per place. [2023-01-28 00:30:09,613 INFO L82 GeneralOperation]: Start removeDead. Operand has 490 places, 424 transitions, 2069 flow [2023-01-28 00:30:09,615 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 485 places, 418 transitions, 2057 flow [2023-01-28 00:30:09,615 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-01-28 00:30:09,615 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 485 places, 418 transitions, 2057 flow [2023-01-28 00:30:09,615 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 485 places, 418 transitions, 2057 flow [2023-01-28 00:30:09,615 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 485 places, 418 transitions, 2057 flow [2023-01-28 00:30:09,793 INFO L130 PetriNetUnfolder]: 0/614 cut-off events. [2023-01-28 00:30:09,793 INFO L131 PetriNetUnfolder]: For 6512/6512 co-relation queries the response was YES. [2023-01-28 00:30:09,793 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1275 conditions, 614 events. 0/614 cut-off events. For 6512/6512 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 932 event pairs, 0 based on Foata normal form. 0/581 useless extension candidates. Maximal degree in co-relation 0. Up to 34 conditions per place. [2023-01-28 00:30:09,827 INFO L119 LiptonReduction]: Number of co-enabled transitions 144474 [2023-01-28 00:30:13,827 INFO L134 LiptonReduction]: Checked pairs total: 228665 [2023-01-28 00:30:13,827 INFO L136 LiptonReduction]: Total number of compositions: 285 [2023-01-28 00:30:13,828 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == InUseError ======== [2023-01-28 00:30:13,828 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;@47cf2852, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-01-28 00:30:13,828 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-01-28 00:30:13,852 INFO L130 PetriNetUnfolder]: 0/199 cut-off events. [2023-01-28 00:30:13,853 INFO L131 PetriNetUnfolder]: For 6512/6512 co-relation queries the response was YES. [2023-01-28 00:30:13,853 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-01-28 00:30:13,853 INFO L208 CegarLoopForPetriNet]: trace histogram [33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-01-28 00:30:13,853 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-01-28 00:30:13,853 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-01-28 00:30:13,853 INFO L85 PathProgramCache]: Analyzing trace with hash -1615871287, now seen corresponding path program 1 times [2023-01-28 00:30:13,853 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-01-28 00:30:13,853 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1309470376] [2023-01-28 00:30:13,854 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-28 00:30:13,854 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-01-28 00:30:13,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-01-28 00:30:13,883 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-01-28 00:30:13,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-01-28 00:30:13,911 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-01-28 00:30:13,911 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-01-28 00:30:13,911 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 1 remaining) [2023-01-28 00:30:13,911 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2023-01-28 00:30:13,911 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-01-28 00:30:13,911 INFO L307 ceAbstractionStarter]: Result for error location InUseError was UNSAFE (1/2) [2023-01-28 00:30:13,911 WARN L233 ceAbstractionStarter]: 33 thread instances were not sufficient, I will increase this number and restart the analysis [2023-01-28 00:30:13,911 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 34 thread instances. [2023-01-28 00:30:13,956 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-01-28 00:30:13,960 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 504 places, 436 transitions, 2164 flow [2023-01-28 00:30:14,242 INFO L130 PetriNetUnfolder]: 35/842 cut-off events. [2023-01-28 00:30:14,242 INFO L131 PetriNetUnfolder]: For 7106/7106 co-relation queries the response was YES. [2023-01-28 00:30:14,254 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1540 conditions, 842 events. 35/842 cut-off events. For 7106/7106 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 1828 event pairs, 0 based on Foata normal form. 0/738 useless extension candidates. Maximal degree in co-relation 1466. Up to 70 conditions per place. [2023-01-28 00:30:14,254 INFO L82 GeneralOperation]: Start removeDead. Operand has 504 places, 436 transitions, 2164 flow [2023-01-28 00:30:14,256 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 499 places, 430 transitions, 2152 flow [2023-01-28 00:30:14,256 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-01-28 00:30:14,256 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 499 places, 430 transitions, 2152 flow [2023-01-28 00:30:14,256 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 499 places, 430 transitions, 2152 flow [2023-01-28 00:30:14,256 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 499 places, 430 transitions, 2152 flow [2023-01-28 00:30:14,385 INFO L130 PetriNetUnfolder]: 0/632 cut-off events. [2023-01-28 00:30:14,386 INFO L131 PetriNetUnfolder]: For 7106/7106 co-relation queries the response was YES. [2023-01-28 00:30:14,386 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1330 conditions, 632 events. 0/632 cut-off events. For 7106/7106 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 996 event pairs, 0 based on Foata normal form. 0/598 useless extension candidates. Maximal degree in co-relation 0. Up to 35 conditions per place. [2023-01-28 00:30:14,427 INFO L119 LiptonReduction]: Number of co-enabled transitions 153340 [2023-01-28 00:30:18,484 INFO L134 LiptonReduction]: Checked pairs total: 279330 [2023-01-28 00:30:18,484 INFO L136 LiptonReduction]: Total number of compositions: 293 [2023-01-28 00:30:18,485 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == InUseError ======== [2023-01-28 00:30:18,485 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;@47cf2852, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-01-28 00:30:18,485 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-01-28 00:30:18,511 INFO L130 PetriNetUnfolder]: 0/205 cut-off events. [2023-01-28 00:30:18,511 INFO L131 PetriNetUnfolder]: For 7106/7106 co-relation queries the response was YES. [2023-01-28 00:30:18,511 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-01-28 00:30:18,511 INFO L208 CegarLoopForPetriNet]: trace histogram [34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-01-28 00:30:18,511 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-01-28 00:30:18,511 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-01-28 00:30:18,511 INFO L85 PathProgramCache]: Analyzing trace with hash -1330958263, now seen corresponding path program 1 times [2023-01-28 00:30:18,511 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-01-28 00:30:18,512 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [511418455] [2023-01-28 00:30:18,512 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-28 00:30:18,512 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-01-28 00:30:18,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-01-28 00:30:18,541 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-01-28 00:30:18,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-01-28 00:30:18,620 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-01-28 00:30:18,621 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-01-28 00:30:18,621 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 1 remaining) [2023-01-28 00:30:18,621 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2023-01-28 00:30:18,621 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-01-28 00:30:18,621 INFO L307 ceAbstractionStarter]: Result for error location InUseError was UNSAFE (1/2) [2023-01-28 00:30:18,621 WARN L233 ceAbstractionStarter]: 34 thread instances were not sufficient, I will increase this number and restart the analysis [2023-01-28 00:30:18,621 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 35 thread instances. [2023-01-28 00:30:18,657 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-01-28 00:30:18,661 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 518 places, 448 transitions, 2261 flow [2023-01-28 00:30:18,842 INFO L130 PetriNetUnfolder]: 36/866 cut-off events. [2023-01-28 00:30:18,842 INFO L131 PetriNetUnfolder]: For 7735/7735 co-relation queries the response was YES. [2023-01-28 00:30:18,863 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1602 conditions, 866 events. 36/866 cut-off events. For 7735/7735 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 1863 event pairs, 0 based on Foata normal form. 0/759 useless extension candidates. Maximal degree in co-relation 1527. Up to 72 conditions per place. [2023-01-28 00:30:18,863 INFO L82 GeneralOperation]: Start removeDead. Operand has 518 places, 448 transitions, 2261 flow [2023-01-28 00:30:18,865 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 513 places, 442 transitions, 2249 flow [2023-01-28 00:30:18,866 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-01-28 00:30:18,866 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 513 places, 442 transitions, 2249 flow [2023-01-28 00:30:18,866 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 513 places, 442 transitions, 2249 flow [2023-01-28 00:30:18,866 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 513 places, 442 transitions, 2249 flow [2023-01-28 00:30:19,004 INFO L130 PetriNetUnfolder]: 0/650 cut-off events. [2023-01-28 00:30:19,004 INFO L131 PetriNetUnfolder]: For 7735/7735 co-relation queries the response was YES. [2023-01-28 00:30:19,005 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1386 conditions, 650 events. 0/650 cut-off events. For 7735/7735 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 1007 event pairs, 0 based on Foata normal form. 0/615 useless extension candidates. Maximal degree in co-relation 0. Up to 36 conditions per place. [2023-01-28 00:30:19,051 INFO L119 LiptonReduction]: Number of co-enabled transitions 162470 [2023-01-28 00:30:23,461 INFO L134 LiptonReduction]: Checked pairs total: 281150 [2023-01-28 00:30:23,461 INFO L136 LiptonReduction]: Total number of compositions: 301 [2023-01-28 00:30:23,462 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == InUseError ======== [2023-01-28 00:30:23,462 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;@47cf2852, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-01-28 00:30:23,462 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-01-28 00:30:23,499 INFO L130 PetriNetUnfolder]: 0/211 cut-off events. [2023-01-28 00:30:23,499 INFO L131 PetriNetUnfolder]: For 7735/7735 co-relation queries the response was YES. [2023-01-28 00:30:23,499 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-01-28 00:30:23,499 INFO L208 CegarLoopForPetriNet]: trace histogram [35, 35, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-01-28 00:30:23,499 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-01-28 00:30:23,499 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-01-28 00:30:23,500 INFO L85 PathProgramCache]: Analyzing trace with hash -2139566080, now seen corresponding path program 1 times [2023-01-28 00:30:23,500 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-01-28 00:30:23,500 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1140728531] [2023-01-28 00:30:23,500 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-28 00:30:23,500 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-01-28 00:30:23,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-01-28 00:30:23,541 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-01-28 00:30:23,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-01-28 00:30:23,577 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-01-28 00:30:23,577 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-01-28 00:30:23,578 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 1 remaining) [2023-01-28 00:30:23,578 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2023-01-28 00:30:23,578 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-01-28 00:30:23,578 INFO L307 ceAbstractionStarter]: Result for error location InUseError was UNSAFE (1/2) [2023-01-28 00:30:23,578 WARN L233 ceAbstractionStarter]: 35 thread instances were not sufficient, I will increase this number and restart the analysis [2023-01-28 00:30:23,578 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 36 thread instances. [2023-01-28 00:30:23,628 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-01-28 00:30:23,631 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 532 places, 460 transitions, 2360 flow [2023-01-28 00:30:23,827 INFO L130 PetriNetUnfolder]: 37/890 cut-off events. [2023-01-28 00:30:23,828 INFO L131 PetriNetUnfolder]: For 8400/8400 co-relation queries the response was YES. [2023-01-28 00:30:23,851 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1665 conditions, 890 events. 37/890 cut-off events. For 8400/8400 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 1934 event pairs, 0 based on Foata normal form. 0/780 useless extension candidates. Maximal degree in co-relation 1589. Up to 74 conditions per place. [2023-01-28 00:30:23,851 INFO L82 GeneralOperation]: Start removeDead. Operand has 532 places, 460 transitions, 2360 flow [2023-01-28 00:30:23,854 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 527 places, 454 transitions, 2348 flow [2023-01-28 00:30:23,854 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-01-28 00:30:23,854 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 527 places, 454 transitions, 2348 flow [2023-01-28 00:30:23,854 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 527 places, 454 transitions, 2348 flow [2023-01-28 00:30:23,854 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 527 places, 454 transitions, 2348 flow [2023-01-28 00:30:23,998 INFO L130 PetriNetUnfolder]: 0/668 cut-off events. [2023-01-28 00:30:23,998 INFO L131 PetriNetUnfolder]: For 8400/8400 co-relation queries the response was YES. [2023-01-28 00:30:23,998 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1443 conditions, 668 events. 0/668 cut-off events. For 8400/8400 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 1055 event pairs, 0 based on Foata normal form. 0/632 useless extension candidates. Maximal degree in co-relation 0. Up to 37 conditions per place. [2023-01-28 00:30:24,048 INFO L119 LiptonReduction]: Number of co-enabled transitions 171864 [2023-01-28 00:30:28,324 INFO L134 LiptonReduction]: Checked pairs total: 289479 [2023-01-28 00:30:28,324 INFO L136 LiptonReduction]: Total number of compositions: 309 [2023-01-28 00:30:28,325 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == InUseError ======== [2023-01-28 00:30:28,325 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;@47cf2852, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-01-28 00:30:28,325 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-01-28 00:30:28,353 INFO L130 PetriNetUnfolder]: 0/217 cut-off events. [2023-01-28 00:30:28,354 INFO L131 PetriNetUnfolder]: For 8400/8400 co-relation queries the response was YES. [2023-01-28 00:30:28,354 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-01-28 00:30:28,354 INFO L208 CegarLoopForPetriNet]: trace histogram [36, 36, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-01-28 00:30:28,354 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-01-28 00:30:28,354 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-01-28 00:30:28,354 INFO L85 PathProgramCache]: Analyzing trace with hash -495253770, now seen corresponding path program 1 times [2023-01-28 00:30:28,354 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-01-28 00:30:28,354 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [714076431] [2023-01-28 00:30:28,354 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-28 00:30:28,355 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-01-28 00:30:28,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-01-28 00:30:28,387 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-01-28 00:30:28,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-01-28 00:30:28,416 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-01-28 00:30:28,416 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-01-28 00:30:28,416 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 1 remaining) [2023-01-28 00:30:28,416 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2023-01-28 00:30:28,416 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-01-28 00:30:28,416 INFO L307 ceAbstractionStarter]: Result for error location InUseError was UNSAFE (1/2) [2023-01-28 00:30:28,417 WARN L233 ceAbstractionStarter]: 36 thread instances were not sufficient, I will increase this number and restart the analysis [2023-01-28 00:30:28,417 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 37 thread instances. [2023-01-28 00:30:28,458 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-01-28 00:30:28,460 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 546 places, 472 transitions, 2461 flow [2023-01-28 00:30:28,673 INFO L130 PetriNetUnfolder]: 38/914 cut-off events. [2023-01-28 00:30:28,673 INFO L131 PetriNetUnfolder]: For 9102/9102 co-relation queries the response was YES. [2023-01-28 00:30:28,700 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1729 conditions, 914 events. 38/914 cut-off events. For 9102/9102 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 1950 event pairs, 0 based on Foata normal form. 0/801 useless extension candidates. Maximal degree in co-relation 1652. Up to 76 conditions per place. [2023-01-28 00:30:28,700 INFO L82 GeneralOperation]: Start removeDead. Operand has 546 places, 472 transitions, 2461 flow [2023-01-28 00:30:28,703 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 541 places, 466 transitions, 2449 flow [2023-01-28 00:30:28,703 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-01-28 00:30:28,703 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 541 places, 466 transitions, 2449 flow [2023-01-28 00:30:28,703 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 541 places, 466 transitions, 2449 flow [2023-01-28 00:30:28,703 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 541 places, 466 transitions, 2449 flow [2023-01-28 00:30:28,860 INFO L130 PetriNetUnfolder]: 0/686 cut-off events. [2023-01-28 00:30:28,860 INFO L131 PetriNetUnfolder]: For 9102/9102 co-relation queries the response was YES. [2023-01-28 00:30:28,861 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1501 conditions, 686 events. 0/686 cut-off events. For 9102/9102 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 1051 event pairs, 0 based on Foata normal form. 0/649 useless extension candidates. Maximal degree in co-relation 0. Up to 38 conditions per place. [2023-01-28 00:30:28,914 INFO L119 LiptonReduction]: Number of co-enabled transitions 181522 [2023-01-28 00:30:33,403 INFO L134 LiptonReduction]: Checked pairs total: 322285 [2023-01-28 00:30:33,404 INFO L136 LiptonReduction]: Total number of compositions: 317 [2023-01-28 00:30:33,404 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == InUseError ======== [2023-01-28 00:30:33,404 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;@47cf2852, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-01-28 00:30:33,404 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-01-28 00:30:33,435 INFO L130 PetriNetUnfolder]: 0/223 cut-off events. [2023-01-28 00:30:33,435 INFO L131 PetriNetUnfolder]: For 9102/9102 co-relation queries the response was YES. [2023-01-28 00:30:33,435 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-01-28 00:30:33,435 INFO L208 CegarLoopForPetriNet]: trace histogram [37, 37, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-01-28 00:30:33,435 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-01-28 00:30:33,435 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-01-28 00:30:33,435 INFO L85 PathProgramCache]: Analyzing trace with hash 790961803, now seen corresponding path program 1 times [2023-01-28 00:30:33,435 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-01-28 00:30:33,436 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [220732779] [2023-01-28 00:30:33,436 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-28 00:30:33,436 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-01-28 00:30:33,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-01-28 00:30:33,478 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-01-28 00:30:33,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-01-28 00:30:33,512 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-01-28 00:30:33,513 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-01-28 00:30:33,513 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 1 remaining) [2023-01-28 00:30:33,513 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2023-01-28 00:30:33,513 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-01-28 00:30:33,514 INFO L307 ceAbstractionStarter]: Result for error location InUseError was UNSAFE (1/2) [2023-01-28 00:30:33,514 WARN L233 ceAbstractionStarter]: 37 thread instances were not sufficient, I will increase this number and restart the analysis [2023-01-28 00:30:33,514 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 38 thread instances. [2023-01-28 00:30:33,562 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-01-28 00:30:33,565 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 560 places, 484 transitions, 2564 flow [2023-01-28 00:30:33,782 INFO L130 PetriNetUnfolder]: 39/938 cut-off events. [2023-01-28 00:30:33,783 INFO L131 PetriNetUnfolder]: For 9842/9842 co-relation queries the response was YES. [2023-01-28 00:30:33,809 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1794 conditions, 938 events. 39/938 cut-off events. For 9842/9842 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 1997 event pairs, 0 based on Foata normal form. 0/822 useless extension candidates. Maximal degree in co-relation 1716. Up to 78 conditions per place. [2023-01-28 00:30:33,809 INFO L82 GeneralOperation]: Start removeDead. Operand has 560 places, 484 transitions, 2564 flow [2023-01-28 00:30:33,811 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 555 places, 478 transitions, 2552 flow [2023-01-28 00:30:33,811 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-01-28 00:30:33,812 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 555 places, 478 transitions, 2552 flow [2023-01-28 00:30:33,812 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 555 places, 478 transitions, 2552 flow [2023-01-28 00:30:33,812 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 555 places, 478 transitions, 2552 flow [2023-01-28 00:30:33,971 INFO L130 PetriNetUnfolder]: 0/704 cut-off events. [2023-01-28 00:30:33,971 INFO L131 PetriNetUnfolder]: For 9842/9842 co-relation queries the response was YES. [2023-01-28 00:30:33,972 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1560 conditions, 704 events. 0/704 cut-off events. For 9842/9842 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 1080 event pairs, 0 based on Foata normal form. 0/666 useless extension candidates. Maximal degree in co-relation 0. Up to 39 conditions per place. [2023-01-28 00:30:34,027 INFO L119 LiptonReduction]: Number of co-enabled transitions 191444 [2023-01-28 00:30:38,693 INFO L134 LiptonReduction]: Checked pairs total: 304421 [2023-01-28 00:30:38,694 INFO L136 LiptonReduction]: Total number of compositions: 325 [2023-01-28 00:30:38,694 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == InUseError ======== [2023-01-28 00:30:38,695 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;@47cf2852, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-01-28 00:30:38,695 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-01-28 00:30:38,727 INFO L130 PetriNetUnfolder]: 0/229 cut-off events. [2023-01-28 00:30:38,727 INFO L131 PetriNetUnfolder]: For 9842/9842 co-relation queries the response was YES. [2023-01-28 00:30:38,727 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-01-28 00:30:38,727 INFO L208 CegarLoopForPetriNet]: trace histogram [38, 38, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-01-28 00:30:38,727 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-01-28 00:30:38,727 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-01-28 00:30:38,728 INFO L85 PathProgramCache]: Analyzing trace with hash -1489626333, now seen corresponding path program 1 times [2023-01-28 00:30:38,728 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-01-28 00:30:38,728 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1370554089] [2023-01-28 00:30:38,728 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-28 00:30:38,728 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-01-28 00:30:38,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-01-28 00:30:38,760 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-01-28 00:30:38,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-01-28 00:30:38,797 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-01-28 00:30:38,797 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-01-28 00:30:38,797 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 1 remaining) [2023-01-28 00:30:38,798 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2023-01-28 00:30:38,798 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-01-28 00:30:38,798 INFO L307 ceAbstractionStarter]: Result for error location InUseError was UNSAFE (1/2) [2023-01-28 00:30:38,798 WARN L233 ceAbstractionStarter]: 38 thread instances were not sufficient, I will increase this number and restart the analysis [2023-01-28 00:30:38,798 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 39 thread instances. [2023-01-28 00:30:38,842 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-01-28 00:30:38,845 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 574 places, 496 transitions, 2669 flow [2023-01-28 00:30:39,079 INFO L130 PetriNetUnfolder]: 40/962 cut-off events. [2023-01-28 00:30:39,079 INFO L131 PetriNetUnfolder]: For 10621/10621 co-relation queries the response was YES. [2023-01-28 00:30:39,107 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1860 conditions, 962 events. 40/962 cut-off events. For 10621/10621 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 2065 event pairs, 0 based on Foata normal form. 0/843 useless extension candidates. Maximal degree in co-relation 1781. Up to 80 conditions per place. [2023-01-28 00:30:39,107 INFO L82 GeneralOperation]: Start removeDead. Operand has 574 places, 496 transitions, 2669 flow [2023-01-28 00:30:39,110 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 569 places, 490 transitions, 2657 flow [2023-01-28 00:30:39,110 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-01-28 00:30:39,110 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 569 places, 490 transitions, 2657 flow [2023-01-28 00:30:39,110 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 569 places, 490 transitions, 2657 flow [2023-01-28 00:30:39,111 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 569 places, 490 transitions, 2657 flow [2023-01-28 00:30:39,335 INFO L130 PetriNetUnfolder]: 0/722 cut-off events. [2023-01-28 00:30:39,335 INFO L131 PetriNetUnfolder]: For 10621/10621 co-relation queries the response was YES. [2023-01-28 00:30:39,335 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1620 conditions, 722 events. 0/722 cut-off events. For 10621/10621 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 1117 event pairs, 0 based on Foata normal form. 0/683 useless extension candidates. Maximal degree in co-relation 0. Up to 40 conditions per place. [2023-01-28 00:30:39,388 INFO L119 LiptonReduction]: Number of co-enabled transitions 201630 [2023-01-28 00:30:44,181 INFO L134 LiptonReduction]: Checked pairs total: 336727 [2023-01-28 00:30:44,181 INFO L136 LiptonReduction]: Total number of compositions: 333 [2023-01-28 00:30:44,182 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == InUseError ======== [2023-01-28 00:30:44,182 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;@47cf2852, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-01-28 00:30:44,182 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-01-28 00:30:44,215 INFO L130 PetriNetUnfolder]: 0/235 cut-off events. [2023-01-28 00:30:44,215 INFO L131 PetriNetUnfolder]: For 10621/10621 co-relation queries the response was YES. [2023-01-28 00:30:44,215 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-01-28 00:30:44,215 INFO L208 CegarLoopForPetriNet]: trace histogram [39, 39, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-01-28 00:30:44,215 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-01-28 00:30:44,215 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-01-28 00:30:44,215 INFO L85 PathProgramCache]: Analyzing trace with hash 30796258, now seen corresponding path program 1 times [2023-01-28 00:30:44,216 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-01-28 00:30:44,216 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [249339959] [2023-01-28 00:30:44,216 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-28 00:30:44,216 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-01-28 00:30:44,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-01-28 00:30:44,252 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-01-28 00:30:44,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-01-28 00:30:44,291 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-01-28 00:30:44,292 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-01-28 00:30:44,292 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 1 remaining) [2023-01-28 00:30:44,292 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2023-01-28 00:30:44,292 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-01-28 00:30:44,293 INFO L307 ceAbstractionStarter]: Result for error location InUseError was UNSAFE (1/2) [2023-01-28 00:30:44,293 WARN L233 ceAbstractionStarter]: 39 thread instances were not sufficient, I will increase this number and restart the analysis [2023-01-28 00:30:44,293 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 40 thread instances. [2023-01-28 00:30:44,343 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-01-28 00:30:44,346 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 588 places, 508 transitions, 2776 flow [2023-01-28 00:30:44,635 INFO L130 PetriNetUnfolder]: 41/986 cut-off events. [2023-01-28 00:30:44,635 INFO L131 PetriNetUnfolder]: For 11440/11440 co-relation queries the response was YES. [2023-01-28 00:30:44,659 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1927 conditions, 986 events. 41/986 cut-off events. For 11440/11440 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 2125 event pairs, 0 based on Foata normal form. 0/864 useless extension candidates. Maximal degree in co-relation 1847. Up to 82 conditions per place. [2023-01-28 00:30:44,659 INFO L82 GeneralOperation]: Start removeDead. Operand has 588 places, 508 transitions, 2776 flow [2023-01-28 00:30:44,662 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 583 places, 502 transitions, 2764 flow [2023-01-28 00:30:44,662 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-01-28 00:30:44,662 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 583 places, 502 transitions, 2764 flow [2023-01-28 00:30:44,662 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 583 places, 502 transitions, 2764 flow [2023-01-28 00:30:44,662 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 583 places, 502 transitions, 2764 flow [2023-01-28 00:30:44,840 INFO L130 PetriNetUnfolder]: 0/740 cut-off events. [2023-01-28 00:30:44,840 INFO L131 PetriNetUnfolder]: For 11440/11440 co-relation queries the response was YES. [2023-01-28 00:30:44,840 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1681 conditions, 740 events. 0/740 cut-off events. For 11440/11440 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 1155 event pairs, 0 based on Foata normal form. 0/700 useless extension candidates. Maximal degree in co-relation 0. Up to 41 conditions per place. [2023-01-28 00:30:44,902 INFO L119 LiptonReduction]: Number of co-enabled transitions 212080 [2023-01-28 00:30:49,707 INFO L134 LiptonReduction]: Checked pairs total: 349674 [2023-01-28 00:30:49,707 INFO L136 LiptonReduction]: Total number of compositions: 341 [2023-01-28 00:30:49,708 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == InUseError ======== [2023-01-28 00:30:49,708 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;@47cf2852, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-01-28 00:30:49,708 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-01-28 00:30:49,743 INFO L130 PetriNetUnfolder]: 0/241 cut-off events. [2023-01-28 00:30:49,743 INFO L131 PetriNetUnfolder]: For 11440/11440 co-relation queries the response was YES. [2023-01-28 00:30:49,743 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-01-28 00:30:49,743 INFO L208 CegarLoopForPetriNet]: trace histogram [40, 40, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-01-28 00:30:49,743 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-01-28 00:30:49,743 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-01-28 00:30:49,743 INFO L85 PathProgramCache]: Analyzing trace with hash 1327537936, now seen corresponding path program 1 times [2023-01-28 00:30:49,743 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-01-28 00:30:49,744 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [885395326] [2023-01-28 00:30:49,744 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-28 00:30:49,744 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-01-28 00:30:49,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-01-28 00:30:49,780 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-01-28 00:30:49,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-01-28 00:30:49,814 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-01-28 00:30:49,814 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-01-28 00:30:49,815 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 1 remaining) [2023-01-28 00:30:49,815 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2023-01-28 00:30:49,815 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-01-28 00:30:49,815 INFO L307 ceAbstractionStarter]: Result for error location InUseError was UNSAFE (1/2) [2023-01-28 00:30:49,815 WARN L233 ceAbstractionStarter]: 40 thread instances were not sufficient, I will increase this number and restart the analysis [2023-01-28 00:30:49,815 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 41 thread instances. [2023-01-28 00:30:49,862 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-01-28 00:30:49,865 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 602 places, 520 transitions, 2885 flow [2023-01-28 00:30:50,138 INFO L130 PetriNetUnfolder]: 42/1010 cut-off events. [2023-01-28 00:30:50,138 INFO L131 PetriNetUnfolder]: For 12300/12300 co-relation queries the response was YES. [2023-01-28 00:30:50,171 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1995 conditions, 1010 events. 42/1010 cut-off events. For 12300/12300 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 2184 event pairs, 0 based on Foata normal form. 0/885 useless extension candidates. Maximal degree in co-relation 1914. Up to 84 conditions per place. [2023-01-28 00:30:50,171 INFO L82 GeneralOperation]: Start removeDead. Operand has 602 places, 520 transitions, 2885 flow [2023-01-28 00:30:50,174 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 597 places, 514 transitions, 2873 flow [2023-01-28 00:30:50,174 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-01-28 00:30:50,174 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 597 places, 514 transitions, 2873 flow [2023-01-28 00:30:50,174 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 597 places, 514 transitions, 2873 flow [2023-01-28 00:30:50,174 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 597 places, 514 transitions, 2873 flow [2023-01-28 00:30:50,364 INFO L130 PetriNetUnfolder]: 0/758 cut-off events. [2023-01-28 00:30:50,364 INFO L131 PetriNetUnfolder]: For 12300/12300 co-relation queries the response was YES. [2023-01-28 00:30:50,364 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1743 conditions, 758 events. 0/758 cut-off events. For 12300/12300 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 1180 event pairs, 0 based on Foata normal form. 0/717 useless extension candidates. Maximal degree in co-relation 0. Up to 42 conditions per place. [2023-01-28 00:30:50,435 INFO L119 LiptonReduction]: Number of co-enabled transitions 222794 [2023-01-28 00:30:55,498 INFO L134 LiptonReduction]: Checked pairs total: 367956 [2023-01-28 00:30:55,499 INFO L136 LiptonReduction]: Total number of compositions: 349 [2023-01-28 00:30:55,499 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == InUseError ======== [2023-01-28 00:30:55,499 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;@47cf2852, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-01-28 00:30:55,500 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-01-28 00:30:55,537 INFO L130 PetriNetUnfolder]: 0/247 cut-off events. [2023-01-28 00:30:55,537 INFO L131 PetriNetUnfolder]: For 12300/12300 co-relation queries the response was YES. [2023-01-28 00:30:55,537 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-01-28 00:30:55,538 INFO L208 CegarLoopForPetriNet]: trace histogram [41, 41, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-01-28 00:30:55,538 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-01-28 00:30:55,538 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-01-28 00:30:55,538 INFO L85 PathProgramCache]: Analyzing trace with hash 409322920, now seen corresponding path program 1 times [2023-01-28 00:30:55,538 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-01-28 00:30:55,538 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1301510980] [2023-01-28 00:30:55,538 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-28 00:30:55,538 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-01-28 00:30:55,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-01-28 00:30:55,600 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-01-28 00:30:55,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-01-28 00:30:55,642 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-01-28 00:30:55,642 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-01-28 00:30:55,642 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 1 remaining) [2023-01-28 00:30:55,643 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40 [2023-01-28 00:30:55,643 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-01-28 00:30:55,643 INFO L307 ceAbstractionStarter]: Result for error location InUseError was UNSAFE (1/2) [2023-01-28 00:30:55,643 WARN L233 ceAbstractionStarter]: 41 thread instances were not sufficient, I will increase this number and restart the analysis [2023-01-28 00:30:55,643 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 42 thread instances. [2023-01-28 00:30:55,683 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-01-28 00:30:55,686 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 616 places, 532 transitions, 2996 flow [2023-01-28 00:30:55,950 INFO L130 PetriNetUnfolder]: 43/1034 cut-off events. [2023-01-28 00:30:55,951 INFO L131 PetriNetUnfolder]: For 13202/13202 co-relation queries the response was YES. [2023-01-28 00:30:55,983 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2064 conditions, 1034 events. 43/1034 cut-off events. For 13202/13202 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 2232 event pairs, 0 based on Foata normal form. 0/906 useless extension candidates. Maximal degree in co-relation 1982. Up to 86 conditions per place. [2023-01-28 00:30:55,983 INFO L82 GeneralOperation]: Start removeDead. Operand has 616 places, 532 transitions, 2996 flow [2023-01-28 00:30:55,986 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 611 places, 526 transitions, 2984 flow [2023-01-28 00:30:55,986 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-01-28 00:30:55,986 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 611 places, 526 transitions, 2984 flow [2023-01-28 00:30:55,986 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 611 places, 526 transitions, 2984 flow [2023-01-28 00:30:55,986 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 611 places, 526 transitions, 2984 flow [2023-01-28 00:30:56,252 INFO L130 PetriNetUnfolder]: 0/776 cut-off events. [2023-01-28 00:30:56,252 INFO L131 PetriNetUnfolder]: For 13202/13202 co-relation queries the response was YES. [2023-01-28 00:30:56,252 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1806 conditions, 776 events. 0/776 cut-off events. For 13202/13202 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 1211 event pairs, 0 based on Foata normal form. 0/734 useless extension candidates. Maximal degree in co-relation 0. Up to 43 conditions per place. [2023-01-28 00:30:56,314 INFO L119 LiptonReduction]: Number of co-enabled transitions 233772 [2023-01-28 00:31:01,267 INFO L134 LiptonReduction]: Checked pairs total: 386788 [2023-01-28 00:31:01,267 INFO L136 LiptonReduction]: Total number of compositions: 357 [2023-01-28 00:31:01,268 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == InUseError ======== [2023-01-28 00:31:01,268 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;@47cf2852, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-01-28 00:31:01,268 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-01-28 00:31:01,310 INFO L130 PetriNetUnfolder]: 0/253 cut-off events. [2023-01-28 00:31:01,310 INFO L131 PetriNetUnfolder]: For 13202/13202 co-relation queries the response was YES. [2023-01-28 00:31:01,311 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-01-28 00:31:01,311 INFO L208 CegarLoopForPetriNet]: trace histogram [42, 42, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-01-28 00:31:01,311 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-01-28 00:31:01,311 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-01-28 00:31:01,311 INFO L85 PathProgramCache]: Analyzing trace with hash -404644739, now seen corresponding path program 1 times [2023-01-28 00:31:01,311 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-01-28 00:31:01,311 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [91043768] [2023-01-28 00:31:01,311 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-28 00:31:01,311 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-01-28 00:31:01,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-01-28 00:31:01,353 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-01-28 00:31:01,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-01-28 00:31:01,392 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-01-28 00:31:01,392 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-01-28 00:31:01,393 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 1 remaining) [2023-01-28 00:31:01,393 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41 [2023-01-28 00:31:01,393 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-01-28 00:31:01,393 INFO L307 ceAbstractionStarter]: Result for error location InUseError was UNSAFE (1/2) [2023-01-28 00:31:01,393 WARN L233 ceAbstractionStarter]: 42 thread instances were not sufficient, I will increase this number and restart the analysis [2023-01-28 00:31:01,393 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 43 thread instances. [2023-01-28 00:31:01,444 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-01-28 00:31:01,447 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 630 places, 544 transitions, 3109 flow [2023-01-28 00:31:01,791 INFO L130 PetriNetUnfolder]: 44/1058 cut-off events. [2023-01-28 00:31:01,791 INFO L131 PetriNetUnfolder]: For 14147/14147 co-relation queries the response was YES. [2023-01-28 00:31:01,822 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2134 conditions, 1058 events. 44/1058 cut-off events. For 14147/14147 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 2277 event pairs, 0 based on Foata normal form. 0/927 useless extension candidates. Maximal degree in co-relation 2051. Up to 88 conditions per place. [2023-01-28 00:31:01,822 INFO L82 GeneralOperation]: Start removeDead. Operand has 630 places, 544 transitions, 3109 flow [2023-01-28 00:31:01,825 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 625 places, 538 transitions, 3097 flow [2023-01-28 00:31:01,825 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-01-28 00:31:01,825 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 625 places, 538 transitions, 3097 flow [2023-01-28 00:31:01,825 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 625 places, 538 transitions, 3097 flow [2023-01-28 00:31:01,825 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 625 places, 538 transitions, 3097 flow [2023-01-28 00:31:02,028 INFO L130 PetriNetUnfolder]: 0/794 cut-off events. [2023-01-28 00:31:02,028 INFO L131 PetriNetUnfolder]: For 14147/14147 co-relation queries the response was YES. [2023-01-28 00:31:02,029 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1870 conditions, 794 events. 0/794 cut-off events. For 14147/14147 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 1232 event pairs, 0 based on Foata normal form. 0/751 useless extension candidates. Maximal degree in co-relation 0. Up to 44 conditions per place. [2023-01-28 00:31:02,100 INFO L119 LiptonReduction]: Number of co-enabled transitions 245014 [2023-01-28 00:31:07,159 INFO L134 LiptonReduction]: Checked pairs total: 413996 [2023-01-28 00:31:07,160 INFO L136 LiptonReduction]: Total number of compositions: 365 [2023-01-28 00:31:07,160 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == InUseError ======== [2023-01-28 00:31:07,161 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;@47cf2852, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-01-28 00:31:07,161 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-01-28 00:31:07,207 INFO L130 PetriNetUnfolder]: 0/259 cut-off events. [2023-01-28 00:31:07,207 INFO L131 PetriNetUnfolder]: For 14147/14147 co-relation queries the response was YES. [2023-01-28 00:31:07,207 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-01-28 00:31:07,208 INFO L208 CegarLoopForPetriNet]: trace histogram [43, 43, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-01-28 00:31:07,208 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-01-28 00:31:07,208 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-01-28 00:31:07,208 INFO L85 PathProgramCache]: Analyzing trace with hash 1875437822, now seen corresponding path program 1 times [2023-01-28 00:31:07,208 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-01-28 00:31:07,208 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [854444335] [2023-01-28 00:31:07,208 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-28 00:31:07,208 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-01-28 00:31:07,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-01-28 00:31:07,244 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-01-28 00:31:07,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-01-28 00:31:07,287 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-01-28 00:31:07,287 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-01-28 00:31:07,287 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 1 remaining) [2023-01-28 00:31:07,287 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42 [2023-01-28 00:31:07,287 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-01-28 00:31:07,288 INFO L307 ceAbstractionStarter]: Result for error location InUseError was UNSAFE (1/2) [2023-01-28 00:31:07,288 WARN L233 ceAbstractionStarter]: 43 thread instances were not sufficient, I will increase this number and restart the analysis [2023-01-28 00:31:07,288 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 44 thread instances. [2023-01-28 00:31:07,338 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-01-28 00:31:07,341 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 644 places, 556 transitions, 3224 flow [2023-01-28 00:31:07,649 INFO L130 PetriNetUnfolder]: 45/1082 cut-off events. [2023-01-28 00:31:07,649 INFO L131 PetriNetUnfolder]: For 15136/15136 co-relation queries the response was YES. [2023-01-28 00:31:07,685 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2205 conditions, 1082 events. 45/1082 cut-off events. For 15136/15136 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 2334 event pairs, 0 based on Foata normal form. 0/948 useless extension candidates. Maximal degree in co-relation 2121. Up to 90 conditions per place. [2023-01-28 00:31:07,686 INFO L82 GeneralOperation]: Start removeDead. Operand has 644 places, 556 transitions, 3224 flow [2023-01-28 00:31:07,688 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 639 places, 550 transitions, 3212 flow [2023-01-28 00:31:07,689 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-01-28 00:31:07,689 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 639 places, 550 transitions, 3212 flow [2023-01-28 00:31:07,689 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 639 places, 550 transitions, 3212 flow [2023-01-28 00:31:07,689 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 639 places, 550 transitions, 3212 flow [2023-01-28 00:31:07,918 INFO L130 PetriNetUnfolder]: 0/812 cut-off events. [2023-01-28 00:31:07,918 INFO L131 PetriNetUnfolder]: For 15136/15136 co-relation queries the response was YES. [2023-01-28 00:31:07,918 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1935 conditions, 812 events. 0/812 cut-off events. For 15136/15136 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 1266 event pairs, 0 based on Foata normal form. 0/768 useless extension candidates. Maximal degree in co-relation 0. Up to 45 conditions per place. [2023-01-28 00:31:08,017 INFO L119 LiptonReduction]: Number of co-enabled transitions 256520 [2023-01-28 00:31:13,302 INFO L134 LiptonReduction]: Checked pairs total: 422510 [2023-01-28 00:31:13,302 INFO L136 LiptonReduction]: Total number of compositions: 373 [2023-01-28 00:31:13,303 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == InUseError ======== [2023-01-28 00:31:13,303 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;@47cf2852, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-01-28 00:31:13,303 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-01-28 00:31:13,345 INFO L130 PetriNetUnfolder]: 0/265 cut-off events. [2023-01-28 00:31:13,345 INFO L131 PetriNetUnfolder]: For 15136/15136 co-relation queries the response was YES. [2023-01-28 00:31:13,345 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-01-28 00:31:13,346 INFO L208 CegarLoopForPetriNet]: trace histogram [44, 44, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-01-28 00:31:13,346 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-01-28 00:31:13,346 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-01-28 00:31:13,346 INFO L85 PathProgramCache]: Analyzing trace with hash -545645078, now seen corresponding path program 1 times [2023-01-28 00:31:13,346 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-01-28 00:31:13,346 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [5050319] [2023-01-28 00:31:13,346 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-28 00:31:13,346 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-01-28 00:31:13,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-01-28 00:31:13,398 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-01-28 00:31:13,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-01-28 00:31:13,439 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-01-28 00:31:13,439 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-01-28 00:31:13,439 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 1 remaining) [2023-01-28 00:31:13,439 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43 [2023-01-28 00:31:13,439 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-01-28 00:31:13,439 INFO L307 ceAbstractionStarter]: Result for error location InUseError was UNSAFE (1/2) [2023-01-28 00:31:13,439 WARN L233 ceAbstractionStarter]: 44 thread instances were not sufficient, I will increase this number and restart the analysis [2023-01-28 00:31:13,439 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 45 thread instances. [2023-01-28 00:31:13,491 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-01-28 00:31:13,494 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 658 places, 568 transitions, 3341 flow [2023-01-28 00:31:13,884 INFO L130 PetriNetUnfolder]: 46/1106 cut-off events. [2023-01-28 00:31:13,884 INFO L131 PetriNetUnfolder]: For 16170/16170 co-relation queries the response was YES. [2023-01-28 00:31:13,911 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2277 conditions, 1106 events. 46/1106 cut-off events. For 16170/16170 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 2389 event pairs, 0 based on Foata normal form. 0/969 useless extension candidates. Maximal degree in co-relation 2192. Up to 92 conditions per place. [2023-01-28 00:31:13,911 INFO L82 GeneralOperation]: Start removeDead. Operand has 658 places, 568 transitions, 3341 flow [2023-01-28 00:31:13,913 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 653 places, 562 transitions, 3329 flow [2023-01-28 00:31:13,914 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-01-28 00:31:13,914 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 653 places, 562 transitions, 3329 flow [2023-01-28 00:31:13,914 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 653 places, 562 transitions, 3329 flow [2023-01-28 00:31:13,914 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 653 places, 562 transitions, 3329 flow [2023-01-28 00:31:14,138 INFO L130 PetriNetUnfolder]: 0/830 cut-off events. [2023-01-28 00:31:14,139 INFO L131 PetriNetUnfolder]: For 16170/16170 co-relation queries the response was YES. [2023-01-28 00:31:14,139 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2001 conditions, 830 events. 0/830 cut-off events. For 16170/16170 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 1298 event pairs, 0 based on Foata normal form. 0/785 useless extension candidates. Maximal degree in co-relation 0. Up to 46 conditions per place. [2023-01-28 00:31:14,219 INFO L119 LiptonReduction]: Number of co-enabled transitions 268290 [2023-01-28 00:31:19,502 INFO L134 LiptonReduction]: Checked pairs total: 463351 [2023-01-28 00:31:19,502 INFO L136 LiptonReduction]: Total number of compositions: 381 [2023-01-28 00:31:19,503 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == InUseError ======== [2023-01-28 00:31:19,503 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;@47cf2852, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-01-28 00:31:19,503 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-01-28 00:31:19,547 INFO L130 PetriNetUnfolder]: 0/271 cut-off events. [2023-01-28 00:31:19,547 INFO L131 PetriNetUnfolder]: For 16170/16170 co-relation queries the response was YES. [2023-01-28 00:31:19,547 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-01-28 00:31:19,547 INFO L208 CegarLoopForPetriNet]: trace histogram [45, 45, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-01-28 00:31:19,547 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-01-28 00:31:19,547 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-01-28 00:31:19,547 INFO L85 PathProgramCache]: Analyzing trace with hash -259461776, now seen corresponding path program 1 times [2023-01-28 00:31:19,547 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-01-28 00:31:19,547 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [362604680] [2023-01-28 00:31:19,548 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-28 00:31:19,548 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-01-28 00:31:19,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-01-28 00:31:19,586 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-01-28 00:31:19,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-01-28 00:31:19,625 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-01-28 00:31:19,626 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-01-28 00:31:19,626 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 1 remaining) [2023-01-28 00:31:19,626 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44 [2023-01-28 00:31:19,626 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-01-28 00:31:19,626 INFO L307 ceAbstractionStarter]: Result for error location InUseError was UNSAFE (1/2) [2023-01-28 00:31:19,626 WARN L233 ceAbstractionStarter]: 45 thread instances were not sufficient, I will increase this number and restart the analysis [2023-01-28 00:31:19,626 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 46 thread instances. [2023-01-28 00:31:19,679 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-01-28 00:31:19,682 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 672 places, 580 transitions, 3460 flow [2023-01-28 00:31:20,011 INFO L130 PetriNetUnfolder]: 47/1130 cut-off events. [2023-01-28 00:31:20,011 INFO L131 PetriNetUnfolder]: For 17250/17250 co-relation queries the response was YES. [2023-01-28 00:31:20,054 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2350 conditions, 1130 events. 47/1130 cut-off events. For 17250/17250 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 2505 event pairs, 0 based on Foata normal form. 0/990 useless extension candidates. Maximal degree in co-relation 2264. Up to 94 conditions per place. [2023-01-28 00:31:20,055 INFO L82 GeneralOperation]: Start removeDead. Operand has 672 places, 580 transitions, 3460 flow [2023-01-28 00:31:20,058 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 667 places, 574 transitions, 3448 flow [2023-01-28 00:31:20,058 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-01-28 00:31:20,058 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 667 places, 574 transitions, 3448 flow [2023-01-28 00:31:20,059 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 667 places, 574 transitions, 3448 flow [2023-01-28 00:31:20,059 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 667 places, 574 transitions, 3448 flow [2023-01-28 00:31:20,375 INFO L130 PetriNetUnfolder]: 0/848 cut-off events. [2023-01-28 00:31:20,375 INFO L131 PetriNetUnfolder]: For 17250/17250 co-relation queries the response was YES. [2023-01-28 00:31:20,376 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2068 conditions, 848 events. 0/848 cut-off events. For 17250/17250 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 1305 event pairs, 0 based on Foata normal form. 0/802 useless extension candidates. Maximal degree in co-relation 0. Up to 47 conditions per place. [2023-01-28 00:31:20,454 INFO L119 LiptonReduction]: Number of co-enabled transitions 280324 [2023-01-28 00:31:25,986 INFO L134 LiptonReduction]: Checked pairs total: 450057 [2023-01-28 00:31:25,987 INFO L136 LiptonReduction]: Total number of compositions: 389 [2023-01-28 00:31:25,987 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == InUseError ======== [2023-01-28 00:31:25,988 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;@47cf2852, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-01-28 00:31:25,988 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-01-28 00:31:26,034 INFO L130 PetriNetUnfolder]: 0/277 cut-off events. [2023-01-28 00:31:26,034 INFO L131 PetriNetUnfolder]: For 17250/17250 co-relation queries the response was YES. [2023-01-28 00:31:26,034 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-01-28 00:31:26,035 INFO L208 CegarLoopForPetriNet]: trace histogram [46, 46, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-01-28 00:31:26,035 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-01-28 00:31:26,035 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-01-28 00:31:26,035 INFO L85 PathProgramCache]: Analyzing trace with hash -813325929, now seen corresponding path program 1 times [2023-01-28 00:31:26,035 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-01-28 00:31:26,035 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1364421848] [2023-01-28 00:31:26,035 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-28 00:31:26,035 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-01-28 00:31:26,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-01-28 00:31:26,076 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-01-28 00:31:26,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-01-28 00:31:26,124 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-01-28 00:31:26,124 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-01-28 00:31:26,124 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 1 remaining) [2023-01-28 00:31:26,124 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable45 [2023-01-28 00:31:26,124 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-01-28 00:31:26,124 INFO L307 ceAbstractionStarter]: Result for error location InUseError was UNSAFE (1/2) [2023-01-28 00:31:26,124 WARN L233 ceAbstractionStarter]: 46 thread instances were not sufficient, I will increase this number and restart the analysis [2023-01-28 00:31:26,124 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 47 thread instances. [2023-01-28 00:31:26,260 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-01-28 00:31:26,271 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 686 places, 592 transitions, 3581 flow [2023-01-28 00:31:26,668 INFO L130 PetriNetUnfolder]: 48/1154 cut-off events. [2023-01-28 00:31:26,668 INFO L131 PetriNetUnfolder]: For 18377/18377 co-relation queries the response was YES. [2023-01-28 00:31:26,708 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2424 conditions, 1154 events. 48/1154 cut-off events. For 18377/18377 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 2522 event pairs, 0 based on Foata normal form. 0/1011 useless extension candidates. Maximal degree in co-relation 2337. Up to 96 conditions per place. [2023-01-28 00:31:26,708 INFO L82 GeneralOperation]: Start removeDead. Operand has 686 places, 592 transitions, 3581 flow [2023-01-28 00:31:26,711 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 681 places, 586 transitions, 3569 flow [2023-01-28 00:31:26,711 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-01-28 00:31:26,711 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 681 places, 586 transitions, 3569 flow [2023-01-28 00:31:26,711 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 681 places, 586 transitions, 3569 flow [2023-01-28 00:31:26,711 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 681 places, 586 transitions, 3569 flow [2023-01-28 00:31:26,964 INFO L130 PetriNetUnfolder]: 0/866 cut-off events. [2023-01-28 00:31:26,965 INFO L131 PetriNetUnfolder]: For 18377/18377 co-relation queries the response was YES. [2023-01-28 00:31:26,965 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2136 conditions, 866 events. 0/866 cut-off events. For 18377/18377 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 1378 event pairs, 0 based on Foata normal form. 0/819 useless extension candidates. Maximal degree in co-relation 0. Up to 48 conditions per place. [2023-01-28 00:31:27,058 INFO L119 LiptonReduction]: Number of co-enabled transitions 292622 [2023-01-28 00:31:32,505 INFO L134 LiptonReduction]: Checked pairs total: 511321 [2023-01-28 00:31:32,506 INFO L136 LiptonReduction]: Total number of compositions: 397 [2023-01-28 00:31:32,506 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == InUseError ======== [2023-01-28 00:31:32,506 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;@47cf2852, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-01-28 00:31:32,506 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-01-28 00:31:32,554 INFO L130 PetriNetUnfolder]: 0/283 cut-off events. [2023-01-28 00:31:32,555 INFO L131 PetriNetUnfolder]: For 18377/18377 co-relation queries the response was YES. [2023-01-28 00:31:32,555 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-01-28 00:31:32,555 INFO L208 CegarLoopForPetriNet]: trace histogram [47, 47, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-01-28 00:31:32,555 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-01-28 00:31:32,555 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-01-28 00:31:32,555 INFO L85 PathProgramCache]: Analyzing trace with hash 214140957, now seen corresponding path program 1 times [2023-01-28 00:31:32,555 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-01-28 00:31:32,555 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1751514826] [2023-01-28 00:31:32,555 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-28 00:31:32,555 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-01-28 00:31:32,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-01-28 00:31:32,601 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-01-28 00:31:32,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-01-28 00:31:32,650 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-01-28 00:31:32,651 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-01-28 00:31:32,651 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 1 remaining) [2023-01-28 00:31:32,651 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable46 [2023-01-28 00:31:32,651 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-01-28 00:31:32,651 INFO L307 ceAbstractionStarter]: Result for error location InUseError was UNSAFE (1/2) [2023-01-28 00:31:32,651 WARN L233 ceAbstractionStarter]: 47 thread instances were not sufficient, I will increase this number and restart the analysis [2023-01-28 00:31:32,651 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 48 thread instances. [2023-01-28 00:31:32,708 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-01-28 00:31:32,722 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 700 places, 604 transitions, 3704 flow [2023-01-28 00:31:33,070 INFO L130 PetriNetUnfolder]: 49/1178 cut-off events. [2023-01-28 00:31:33,070 INFO L131 PetriNetUnfolder]: For 19552/19552 co-relation queries the response was YES. [2023-01-28 00:31:33,112 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2499 conditions, 1178 events. 49/1178 cut-off events. For 19552/19552 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 2529 event pairs, 0 based on Foata normal form. 0/1032 useless extension candidates. Maximal degree in co-relation 2411. Up to 98 conditions per place. [2023-01-28 00:31:33,112 INFO L82 GeneralOperation]: Start removeDead. Operand has 700 places, 604 transitions, 3704 flow [2023-01-28 00:31:33,115 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 695 places, 598 transitions, 3692 flow [2023-01-28 00:31:33,115 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-01-28 00:31:33,115 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 695 places, 598 transitions, 3692 flow [2023-01-28 00:31:33,115 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 695 places, 598 transitions, 3692 flow [2023-01-28 00:31:33,115 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 695 places, 598 transitions, 3692 flow [2023-01-28 00:31:33,378 INFO L130 PetriNetUnfolder]: 0/884 cut-off events. [2023-01-28 00:31:33,379 INFO L131 PetriNetUnfolder]: For 19552/19552 co-relation queries the response was YES. [2023-01-28 00:31:33,379 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2205 conditions, 884 events. 0/884 cut-off events. For 19552/19552 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 1373 event pairs, 0 based on Foata normal form. 0/836 useless extension candidates. Maximal degree in co-relation 0. Up to 49 conditions per place. [2023-01-28 00:31:33,476 INFO L119 LiptonReduction]: Number of co-enabled transitions 305184 [2023-01-28 00:31:39,109 INFO L134 LiptonReduction]: Checked pairs total: 535803 [2023-01-28 00:31:39,109 INFO L136 LiptonReduction]: Total number of compositions: 405 [2023-01-28 00:31:39,110 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == InUseError ======== [2023-01-28 00:31:39,110 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;@47cf2852, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-01-28 00:31:39,110 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-01-28 00:31:39,160 INFO L130 PetriNetUnfolder]: 0/289 cut-off events. [2023-01-28 00:31:39,160 INFO L131 PetriNetUnfolder]: For 19552/19552 co-relation queries the response was YES. [2023-01-28 00:31:39,160 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-01-28 00:31:39,160 INFO L208 CegarLoopForPetriNet]: trace histogram [48, 48, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-01-28 00:31:39,160 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-01-28 00:31:39,160 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-01-28 00:31:39,161 INFO L85 PathProgramCache]: Analyzing trace with hash -2044518844, now seen corresponding path program 1 times [2023-01-28 00:31:39,161 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-01-28 00:31:39,161 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [967893883] [2023-01-28 00:31:39,161 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-28 00:31:39,161 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-01-28 00:31:39,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-01-28 00:31:39,200 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-01-28 00:31:39,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-01-28 00:31:39,246 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-01-28 00:31:39,246 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-01-28 00:31:39,246 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 1 remaining) [2023-01-28 00:31:39,247 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable47 [2023-01-28 00:31:39,247 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-01-28 00:31:39,247 INFO L307 ceAbstractionStarter]: Result for error location InUseError was UNSAFE (1/2) [2023-01-28 00:31:39,247 WARN L233 ceAbstractionStarter]: 48 thread instances were not sufficient, I will increase this number and restart the analysis [2023-01-28 00:31:39,247 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 49 thread instances. [2023-01-28 00:31:39,300 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-01-28 00:31:39,303 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 714 places, 616 transitions, 3829 flow [2023-01-28 00:31:39,752 INFO L130 PetriNetUnfolder]: 50/1202 cut-off events. [2023-01-28 00:31:39,752 INFO L131 PetriNetUnfolder]: For 20776/20776 co-relation queries the response was YES. [2023-01-28 00:31:39,779 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2575 conditions, 1202 events. 50/1202 cut-off events. For 20776/20776 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 2584 event pairs, 0 based on Foata normal form. 0/1053 useless extension candidates. Maximal degree in co-relation 2486. Up to 100 conditions per place. [2023-01-28 00:31:39,779 INFO L82 GeneralOperation]: Start removeDead. Operand has 714 places, 616 transitions, 3829 flow [2023-01-28 00:31:39,781 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 709 places, 610 transitions, 3817 flow [2023-01-28 00:31:39,782 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-01-28 00:31:39,782 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 709 places, 610 transitions, 3817 flow [2023-01-28 00:31:39,782 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 709 places, 610 transitions, 3817 flow [2023-01-28 00:31:39,782 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 709 places, 610 transitions, 3817 flow [2023-01-28 00:31:40,059 INFO L130 PetriNetUnfolder]: 0/902 cut-off events. [2023-01-28 00:31:40,059 INFO L131 PetriNetUnfolder]: For 20776/20776 co-relation queries the response was YES. [2023-01-28 00:31:40,059 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2275 conditions, 902 events. 0/902 cut-off events. For 20776/20776 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 1400 event pairs, 0 based on Foata normal form. 0/853 useless extension candidates. Maximal degree in co-relation 0. Up to 50 conditions per place. [2023-01-28 00:31:40,158 INFO L119 LiptonReduction]: Number of co-enabled transitions 318010 [2023-01-28 00:31:45,842 INFO L134 LiptonReduction]: Checked pairs total: 553451 [2023-01-28 00:31:45,842 INFO L136 LiptonReduction]: Total number of compositions: 413 [2023-01-28 00:31:45,843 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == InUseError ======== [2023-01-28 00:31:45,843 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;@47cf2852, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-01-28 00:31:45,843 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-01-28 00:31:45,895 INFO L130 PetriNetUnfolder]: 0/295 cut-off events. [2023-01-28 00:31:45,895 INFO L131 PetriNetUnfolder]: For 20776/20776 co-relation queries the response was YES. [2023-01-28 00:31:45,895 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-01-28 00:31:45,895 INFO L208 CegarLoopForPetriNet]: trace histogram [49, 49, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-01-28 00:31:45,895 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-01-28 00:31:45,895 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-01-28 00:31:45,895 INFO L85 PathProgramCache]: Analyzing trace with hash 2075815047, now seen corresponding path program 1 times [2023-01-28 00:31:45,895 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-01-28 00:31:45,895 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1288005184] [2023-01-28 00:31:45,896 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-28 00:31:45,896 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-01-28 00:31:45,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-01-28 00:31:45,936 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-01-28 00:31:45,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-01-28 00:31:45,982 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-01-28 00:31:45,983 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-01-28 00:31:45,983 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 1 remaining) [2023-01-28 00:31:45,983 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable48 [2023-01-28 00:31:45,983 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-01-28 00:31:45,983 INFO L307 ceAbstractionStarter]: Result for error location InUseError was UNSAFE (1/2) [2023-01-28 00:31:45,983 WARN L233 ceAbstractionStarter]: 49 thread instances were not sufficient, I will increase this number and restart the analysis [2023-01-28 00:31:45,983 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 50 thread instances. [2023-01-28 00:31:46,048 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-01-28 00:31:46,050 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 728 places, 628 transitions, 3956 flow [2023-01-28 00:31:46,425 INFO L130 PetriNetUnfolder]: 51/1226 cut-off events. [2023-01-28 00:31:46,425 INFO L131 PetriNetUnfolder]: For 22050/22050 co-relation queries the response was YES. [2023-01-28 00:31:46,471 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2652 conditions, 1226 events. 51/1226 cut-off events. For 22050/22050 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 2649 event pairs, 0 based on Foata normal form. 0/1074 useless extension candidates. Maximal degree in co-relation 2562. Up to 102 conditions per place. [2023-01-28 00:31:46,472 INFO L82 GeneralOperation]: Start removeDead. Operand has 728 places, 628 transitions, 3956 flow [2023-01-28 00:31:46,475 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 723 places, 622 transitions, 3944 flow [2023-01-28 00:31:46,475 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-01-28 00:31:46,475 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 723 places, 622 transitions, 3944 flow [2023-01-28 00:31:46,475 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 723 places, 622 transitions, 3944 flow [2023-01-28 00:31:46,475 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 723 places, 622 transitions, 3944 flow [2023-01-28 00:31:46,767 INFO L130 PetriNetUnfolder]: 0/920 cut-off events. [2023-01-28 00:31:46,768 INFO L131 PetriNetUnfolder]: For 22050/22050 co-relation queries the response was YES. [2023-01-28 00:31:46,768 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2346 conditions, 920 events. 0/920 cut-off events. For 22050/22050 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 1432 event pairs, 0 based on Foata normal form. 0/870 useless extension candidates. Maximal degree in co-relation 0. Up to 51 conditions per place. [2023-01-28 00:31:46,874 INFO L119 LiptonReduction]: Number of co-enabled transitions 331100 [2023-01-28 00:31:52,803 INFO L134 LiptonReduction]: Checked pairs total: 579273 [2023-01-28 00:31:52,804 INFO L136 LiptonReduction]: Total number of compositions: 421 [2023-01-28 00:31:52,804 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == InUseError ======== [2023-01-28 00:31:52,805 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;@47cf2852, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-01-28 00:31:52,805 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-01-28 00:31:52,862 INFO L130 PetriNetUnfolder]: 0/301 cut-off events. [2023-01-28 00:31:52,862 INFO L131 PetriNetUnfolder]: For 22050/22050 co-relation queries the response was YES. [2023-01-28 00:31:52,862 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-01-28 00:31:52,862 INFO L208 CegarLoopForPetriNet]: trace histogram [50, 50, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-01-28 00:31:52,862 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-01-28 00:31:52,862 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-01-28 00:31:52,862 INFO L85 PathProgramCache]: Analyzing trace with hash 11270993, now seen corresponding path program 1 times [2023-01-28 00:31:52,862 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-01-28 00:31:52,863 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1013606633] [2023-01-28 00:31:52,863 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-28 00:31:52,863 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-01-28 00:31:52,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-01-28 00:31:52,928 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-01-28 00:31:52,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-01-28 00:31:52,994 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-01-28 00:31:52,994 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-01-28 00:31:52,994 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 1 remaining) [2023-01-28 00:31:52,994 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable49 [2023-01-28 00:31:52,994 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-01-28 00:31:52,995 INFO L307 ceAbstractionStarter]: Result for error location InUseError was UNSAFE (1/2) [2023-01-28 00:31:52,995 WARN L233 ceAbstractionStarter]: 50 thread instances were not sufficient, I will increase this number and restart the analysis [2023-01-28 00:31:52,995 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 51 thread instances. [2023-01-28 00:31:53,055 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-01-28 00:31:53,058 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 742 places, 640 transitions, 4085 flow [2023-01-28 00:31:53,523 INFO L130 PetriNetUnfolder]: 52/1250 cut-off events. [2023-01-28 00:31:53,524 INFO L131 PetriNetUnfolder]: For 23375/23375 co-relation queries the response was YES. [2023-01-28 00:31:53,552 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2730 conditions, 1250 events. 52/1250 cut-off events. For 23375/23375 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 2693 event pairs, 0 based on Foata normal form. 0/1095 useless extension candidates. Maximal degree in co-relation 2639. Up to 104 conditions per place. [2023-01-28 00:31:53,553 INFO L82 GeneralOperation]: Start removeDead. Operand has 742 places, 640 transitions, 4085 flow [2023-01-28 00:31:53,555 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 737 places, 634 transitions, 4073 flow [2023-01-28 00:31:53,555 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-01-28 00:31:53,555 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 737 places, 634 transitions, 4073 flow [2023-01-28 00:31:53,555 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 737 places, 634 transitions, 4073 flow [2023-01-28 00:31:53,555 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 737 places, 634 transitions, 4073 flow [2023-01-28 00:31:53,854 INFO L130 PetriNetUnfolder]: 0/938 cut-off events. [2023-01-28 00:31:53,854 INFO L131 PetriNetUnfolder]: For 23375/23375 co-relation queries the response was YES. [2023-01-28 00:31:53,854 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2418 conditions, 938 events. 0/938 cut-off events. For 23375/23375 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 1460 event pairs, 0 based on Foata normal form. 0/887 useless extension candidates. Maximal degree in co-relation 0. Up to 52 conditions per place. [2023-01-28 00:31:53,963 INFO L119 LiptonReduction]: Number of co-enabled transitions 344454 [2023-01-28 00:31:59,980 INFO L134 LiptonReduction]: Checked pairs total: 605484 [2023-01-28 00:31:59,980 INFO L136 LiptonReduction]: Total number of compositions: 429 [2023-01-28 00:31:59,981 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == InUseError ======== [2023-01-28 00:31:59,981 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;@47cf2852, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-01-28 00:31:59,981 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-01-28 00:32:00,037 INFO L130 PetriNetUnfolder]: 0/307 cut-off events. [2023-01-28 00:32:00,037 INFO L131 PetriNetUnfolder]: For 23375/23375 co-relation queries the response was YES. [2023-01-28 00:32:00,037 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-01-28 00:32:00,038 INFO L208 CegarLoopForPetriNet]: trace histogram [51, 51, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-01-28 00:32:00,038 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-01-28 00:32:00,038 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-01-28 00:32:00,038 INFO L85 PathProgramCache]: Analyzing trace with hash 299190524, now seen corresponding path program 1 times [2023-01-28 00:32:00,038 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-01-28 00:32:00,038 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [229980246] [2023-01-28 00:32:00,038 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-28 00:32:00,038 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-01-28 00:32:00,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-01-28 00:32:00,084 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-01-28 00:32:00,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-01-28 00:32:00,141 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-01-28 00:32:00,141 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-01-28 00:32:00,141 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 1 remaining) [2023-01-28 00:32:00,141 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable50 [2023-01-28 00:32:00,142 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-01-28 00:32:00,143 INFO L307 ceAbstractionStarter]: Result for error location InUseError was UNSAFE (1/2) [2023-01-28 00:32:00,143 WARN L233 ceAbstractionStarter]: 51 thread instances were not sufficient, I will increase this number and restart the analysis [2023-01-28 00:32:00,143 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 52 thread instances. [2023-01-28 00:32:00,208 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-01-28 00:32:00,211 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 756 places, 652 transitions, 4216 flow [2023-01-28 00:32:00,613 INFO L130 PetriNetUnfolder]: 53/1274 cut-off events. [2023-01-28 00:32:00,613 INFO L131 PetriNetUnfolder]: For 24752/24752 co-relation queries the response was YES. [2023-01-28 00:32:00,663 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2809 conditions, 1274 events. 53/1274 cut-off events. For 24752/24752 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 2758 event pairs, 0 based on Foata normal form. 0/1116 useless extension candidates. Maximal degree in co-relation 2717. Up to 106 conditions per place. [2023-01-28 00:32:00,663 INFO L82 GeneralOperation]: Start removeDead. Operand has 756 places, 652 transitions, 4216 flow [2023-01-28 00:32:00,666 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 751 places, 646 transitions, 4204 flow [2023-01-28 00:32:00,666 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-01-28 00:32:00,667 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 751 places, 646 transitions, 4204 flow [2023-01-28 00:32:00,667 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 751 places, 646 transitions, 4204 flow [2023-01-28 00:32:00,667 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 751 places, 646 transitions, 4204 flow [2023-01-28 00:32:00,985 INFO L130 PetriNetUnfolder]: 0/956 cut-off events. [2023-01-28 00:32:00,985 INFO L131 PetriNetUnfolder]: For 24752/24752 co-relation queries the response was YES. [2023-01-28 00:32:00,986 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2491 conditions, 956 events. 0/956 cut-off events. For 24752/24752 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 1500 event pairs, 0 based on Foata normal form. 0/904 useless extension candidates. Maximal degree in co-relation 0. Up to 53 conditions per place. [2023-01-28 00:32:01,103 INFO L119 LiptonReduction]: Number of co-enabled transitions 358072 [2023-01-28 00:32:07,289 INFO L134 LiptonReduction]: Checked pairs total: 649960 [2023-01-28 00:32:07,289 INFO L136 LiptonReduction]: Total number of compositions: 437 [2023-01-28 00:32:07,290 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == InUseError ======== [2023-01-28 00:32:07,290 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;@47cf2852, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-01-28 00:32:07,290 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-01-28 00:32:07,350 INFO L130 PetriNetUnfolder]: 0/313 cut-off events. [2023-01-28 00:32:07,350 INFO L131 PetriNetUnfolder]: For 24752/24752 co-relation queries the response was YES. [2023-01-28 00:32:07,350 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-01-28 00:32:07,351 INFO L208 CegarLoopForPetriNet]: trace histogram [52, 52, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-01-28 00:32:07,351 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-01-28 00:32:07,351 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-01-28 00:32:07,351 INFO L85 PathProgramCache]: Analyzing trace with hash -483450722, now seen corresponding path program 1 times [2023-01-28 00:32:07,351 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-01-28 00:32:07,351 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [325668796] [2023-01-28 00:32:07,351 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-28 00:32:07,351 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-01-28 00:32:07,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-01-28 00:32:07,406 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-01-28 00:32:07,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-01-28 00:32:07,468 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-01-28 00:32:07,469 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-01-28 00:32:07,469 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 1 remaining) [2023-01-28 00:32:07,469 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable51 [2023-01-28 00:32:07,469 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-01-28 00:32:07,469 INFO L307 ceAbstractionStarter]: Result for error location InUseError was UNSAFE (1/2) [2023-01-28 00:32:07,469 WARN L233 ceAbstractionStarter]: 52 thread instances were not sufficient, I will increase this number and restart the analysis [2023-01-28 00:32:07,469 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 53 thread instances. [2023-01-28 00:32:07,534 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-01-28 00:32:07,537 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 770 places, 664 transitions, 4349 flow [2023-01-28 00:32:08,016 INFO L130 PetriNetUnfolder]: 54/1298 cut-off events. [2023-01-28 00:32:08,016 INFO L131 PetriNetUnfolder]: For 26182/26182 co-relation queries the response was YES. [2023-01-28 00:32:08,056 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2889 conditions, 1298 events. 54/1298 cut-off events. For 26182/26182 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 2800 event pairs, 0 based on Foata normal form. 0/1137 useless extension candidates. Maximal degree in co-relation 2796. Up to 108 conditions per place. [2023-01-28 00:32:08,057 INFO L82 GeneralOperation]: Start removeDead. Operand has 770 places, 664 transitions, 4349 flow [2023-01-28 00:32:08,059 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 765 places, 658 transitions, 4337 flow [2023-01-28 00:32:08,059 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-01-28 00:32:08,059 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 765 places, 658 transitions, 4337 flow [2023-01-28 00:32:08,059 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 765 places, 658 transitions, 4337 flow [2023-01-28 00:32:08,059 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 765 places, 658 transitions, 4337 flow [2023-01-28 00:32:08,390 INFO L130 PetriNetUnfolder]: 0/974 cut-off events. [2023-01-28 00:32:08,390 INFO L131 PetriNetUnfolder]: For 26182/26182 co-relation queries the response was YES. [2023-01-28 00:32:08,390 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2565 conditions, 974 events. 0/974 cut-off events. For 26182/26182 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 1520 event pairs, 0 based on Foata normal form. 0/921 useless extension candidates. Maximal degree in co-relation 0. Up to 54 conditions per place. [2023-01-28 00:32:08,509 INFO L119 LiptonReduction]: Number of co-enabled transitions 371954 [2023-01-28 00:32:14,749 INFO L134 LiptonReduction]: Checked pairs total: 597844 [2023-01-28 00:32:14,749 INFO L136 LiptonReduction]: Total number of compositions: 445 [2023-01-28 00:32:14,750 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == InUseError ======== [2023-01-28 00:32:14,750 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;@47cf2852, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-01-28 00:32:14,750 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-01-28 00:32:14,812 INFO L130 PetriNetUnfolder]: 0/319 cut-off events. [2023-01-28 00:32:14,812 INFO L131 PetriNetUnfolder]: For 26182/26182 co-relation queries the response was YES. [2023-01-28 00:32:14,812 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-01-28 00:32:14,812 INFO L208 CegarLoopForPetriNet]: trace histogram [53, 53, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-01-28 00:32:14,812 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-01-28 00:32:14,812 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-01-28 00:32:14,812 INFO L85 PathProgramCache]: Analyzing trace with hash 1201697035, now seen corresponding path program 1 times [2023-01-28 00:32:14,812 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-01-28 00:32:14,812 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [999064965] [2023-01-28 00:32:14,813 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-28 00:32:14,813 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-01-28 00:32:14,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-01-28 00:32:14,865 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-01-28 00:32:14,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-01-28 00:32:14,919 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-01-28 00:32:14,919 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-01-28 00:32:14,919 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 1 remaining) [2023-01-28 00:32:14,920 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable52 [2023-01-28 00:32:14,920 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-01-28 00:32:14,920 INFO L307 ceAbstractionStarter]: Result for error location InUseError was UNSAFE (1/2) [2023-01-28 00:32:14,920 WARN L233 ceAbstractionStarter]: 53 thread instances were not sufficient, I will increase this number and restart the analysis [2023-01-28 00:32:14,920 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 54 thread instances. [2023-01-28 00:32:14,989 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-01-28 00:32:14,992 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 784 places, 676 transitions, 4484 flow [2023-01-28 00:32:15,428 INFO L130 PetriNetUnfolder]: 55/1322 cut-off events. [2023-01-28 00:32:15,428 INFO L131 PetriNetUnfolder]: For 27666/27666 co-relation queries the response was YES. [2023-01-28 00:32:15,484 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2970 conditions, 1322 events. 55/1322 cut-off events. For 27666/27666 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 2882 event pairs, 0 based on Foata normal form. 0/1158 useless extension candidates. Maximal degree in co-relation 2876. Up to 110 conditions per place. [2023-01-28 00:32:15,484 INFO L82 GeneralOperation]: Start removeDead. Operand has 784 places, 676 transitions, 4484 flow [2023-01-28 00:32:15,487 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 779 places, 670 transitions, 4472 flow [2023-01-28 00:32:15,487 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-01-28 00:32:15,487 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 779 places, 670 transitions, 4472 flow [2023-01-28 00:32:15,487 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 779 places, 670 transitions, 4472 flow [2023-01-28 00:32:15,487 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 779 places, 670 transitions, 4472 flow [2023-01-28 00:32:15,849 INFO L130 PetriNetUnfolder]: 0/992 cut-off events. [2023-01-28 00:32:15,849 INFO L131 PetriNetUnfolder]: For 27666/27666 co-relation queries the response was YES. [2023-01-28 00:32:15,850 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2640 conditions, 992 events. 0/992 cut-off events. For 27666/27666 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 1567 event pairs, 0 based on Foata normal form. 0/938 useless extension candidates. Maximal degree in co-relation 0. Up to 55 conditions per place. [2023-01-28 00:32:15,964 INFO L119 LiptonReduction]: Number of co-enabled transitions 386100 [2023-01-28 00:32:22,291 INFO L134 LiptonReduction]: Checked pairs total: 618835 [2023-01-28 00:32:22,292 INFO L136 LiptonReduction]: Total number of compositions: 453 [2023-01-28 00:32:22,293 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == InUseError ======== [2023-01-28 00:32:22,293 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;@47cf2852, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-01-28 00:32:22,293 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-01-28 00:32:22,359 INFO L130 PetriNetUnfolder]: 0/325 cut-off events. [2023-01-28 00:32:22,359 INFO L131 PetriNetUnfolder]: For 27666/27666 co-relation queries the response was YES. [2023-01-28 00:32:22,359 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-01-28 00:32:22,359 INFO L208 CegarLoopForPetriNet]: trace histogram [54, 54, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-01-28 00:32:22,359 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-01-28 00:32:22,359 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-01-28 00:32:22,359 INFO L85 PathProgramCache]: Analyzing trace with hash 1937090539, now seen corresponding path program 1 times [2023-01-28 00:32:22,359 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-01-28 00:32:22,360 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1223908499] [2023-01-28 00:32:22,360 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-28 00:32:22,360 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-01-28 00:32:22,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-01-28 00:32:22,411 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-01-28 00:32:22,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-01-28 00:32:22,465 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-01-28 00:32:22,465 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-01-28 00:32:22,465 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 1 remaining) [2023-01-28 00:32:22,466 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable53 [2023-01-28 00:32:22,466 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-01-28 00:32:22,466 INFO L307 ceAbstractionStarter]: Result for error location InUseError was UNSAFE (1/2) [2023-01-28 00:32:22,466 WARN L233 ceAbstractionStarter]: 54 thread instances were not sufficient, I will increase this number and restart the analysis [2023-01-28 00:32:22,466 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 55 thread instances. [2023-01-28 00:32:22,526 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-01-28 00:32:22,529 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 798 places, 688 transitions, 4621 flow [2023-01-28 00:32:23,012 INFO L130 PetriNetUnfolder]: 56/1346 cut-off events. [2023-01-28 00:32:23,012 INFO L131 PetriNetUnfolder]: For 29205/29205 co-relation queries the response was YES. [2023-01-28 00:32:23,081 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3052 conditions, 1346 events. 56/1346 cut-off events. For 29205/29205 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 2913 event pairs, 0 based on Foata normal form. 0/1179 useless extension candidates. Maximal degree in co-relation 2957. Up to 112 conditions per place. [2023-01-28 00:32:23,081 INFO L82 GeneralOperation]: Start removeDead. Operand has 798 places, 688 transitions, 4621 flow [2023-01-28 00:32:23,084 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 793 places, 682 transitions, 4609 flow [2023-01-28 00:32:23,084 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-01-28 00:32:23,084 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 793 places, 682 transitions, 4609 flow [2023-01-28 00:32:23,084 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 793 places, 682 transitions, 4609 flow [2023-01-28 00:32:23,084 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 793 places, 682 transitions, 4609 flow [2023-01-28 00:32:23,453 INFO L130 PetriNetUnfolder]: 0/1010 cut-off events. [2023-01-28 00:32:23,453 INFO L131 PetriNetUnfolder]: For 29205/29205 co-relation queries the response was YES. [2023-01-28 00:32:23,454 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2716 conditions, 1010 events. 0/1010 cut-off events. For 29205/29205 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 1584 event pairs, 0 based on Foata normal form. 0/955 useless extension candidates. Maximal degree in co-relation 0. Up to 56 conditions per place. [2023-01-28 00:32:23,593 INFO L119 LiptonReduction]: Number of co-enabled transitions 400510 [2023-01-28 00:32:30,113 INFO L134 LiptonReduction]: Checked pairs total: 708130 [2023-01-28 00:32:30,113 INFO L136 LiptonReduction]: Total number of compositions: 461 [2023-01-28 00:32:30,114 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == InUseError ======== [2023-01-28 00:32:30,114 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;@47cf2852, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-01-28 00:32:30,114 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-01-28 00:32:30,182 INFO L130 PetriNetUnfolder]: 0/331 cut-off events. [2023-01-28 00:32:30,183 INFO L131 PetriNetUnfolder]: For 29205/29205 co-relation queries the response was YES. [2023-01-28 00:32:30,183 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-01-28 00:32:30,183 INFO L208 CegarLoopForPetriNet]: trace histogram [55, 55, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-01-28 00:32:30,183 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-01-28 00:32:30,183 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-01-28 00:32:30,183 INFO L85 PathProgramCache]: Analyzing trace with hash 1077035679, now seen corresponding path program 1 times [2023-01-28 00:32:30,183 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-01-28 00:32:30,183 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [244710717] [2023-01-28 00:32:30,183 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-28 00:32:30,183 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-01-28 00:32:30,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-01-28 00:32:30,233 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-01-28 00:32:30,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-01-28 00:32:30,285 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-01-28 00:32:30,285 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-01-28 00:32:30,285 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 1 remaining) [2023-01-28 00:32:30,285 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable54 [2023-01-28 00:32:30,285 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-01-28 00:32:30,285 INFO L307 ceAbstractionStarter]: Result for error location InUseError was UNSAFE (1/2) [2023-01-28 00:32:30,286 WARN L233 ceAbstractionStarter]: 55 thread instances were not sufficient, I will increase this number and restart the analysis [2023-01-28 00:32:30,286 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 56 thread instances. [2023-01-28 00:32:30,355 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-01-28 00:32:30,358 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 812 places, 700 transitions, 4760 flow [2023-01-28 00:32:30,860 INFO L130 PetriNetUnfolder]: 57/1370 cut-off events. [2023-01-28 00:32:30,861 INFO L131 PetriNetUnfolder]: For 30800/30800 co-relation queries the response was YES. [2023-01-28 00:32:30,920 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3135 conditions, 1370 events. 57/1370 cut-off events. For 30800/30800 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 3061 event pairs, 0 based on Foata normal form. 0/1200 useless extension candidates. Maximal degree in co-relation 3039. Up to 114 conditions per place. [2023-01-28 00:32:30,920 INFO L82 GeneralOperation]: Start removeDead. Operand has 812 places, 700 transitions, 4760 flow [2023-01-28 00:32:30,924 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 807 places, 694 transitions, 4748 flow [2023-01-28 00:32:30,924 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-01-28 00:32:30,924 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 807 places, 694 transitions, 4748 flow [2023-01-28 00:32:30,924 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 807 places, 694 transitions, 4748 flow [2023-01-28 00:32:30,924 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 807 places, 694 transitions, 4748 flow [2023-01-28 00:32:31,288 INFO L130 PetriNetUnfolder]: 0/1028 cut-off events. [2023-01-28 00:32:31,289 INFO L131 PetriNetUnfolder]: For 30800/30800 co-relation queries the response was YES. [2023-01-28 00:32:31,289 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2793 conditions, 1028 events. 0/1028 cut-off events. For 30800/30800 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 1597 event pairs, 0 based on Foata normal form. 0/972 useless extension candidates. Maximal degree in co-relation 0. Up to 57 conditions per place. [2023-01-28 00:32:31,424 INFO L119 LiptonReduction]: Number of co-enabled transitions 415184 [2023-01-28 00:32:37,978 INFO L134 LiptonReduction]: Checked pairs total: 664300 [2023-01-28 00:32:37,978 INFO L136 LiptonReduction]: Total number of compositions: 469 [2023-01-28 00:32:37,979 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == InUseError ======== [2023-01-28 00:32:37,979 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;@47cf2852, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-01-28 00:32:37,979 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-01-28 00:32:38,049 INFO L130 PetriNetUnfolder]: 0/337 cut-off events. [2023-01-28 00:32:38,049 INFO L131 PetriNetUnfolder]: For 30800/30800 co-relation queries the response was YES. [2023-01-28 00:32:38,049 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-01-28 00:32:38,049 INFO L208 CegarLoopForPetriNet]: trace histogram [56, 56, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-01-28 00:32:38,049 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-01-28 00:32:38,050 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-01-28 00:32:38,050 INFO L85 PathProgramCache]: Analyzing trace with hash 1926537208, now seen corresponding path program 1 times [2023-01-28 00:32:38,050 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-01-28 00:32:38,050 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1376891692] [2023-01-28 00:32:38,050 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-28 00:32:38,050 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-01-28 00:32:38,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-01-28 00:32:38,103 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-01-28 00:32:38,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-01-28 00:32:38,164 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-01-28 00:32:38,164 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-01-28 00:32:38,164 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 1 remaining) [2023-01-28 00:32:38,165 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable55 [2023-01-28 00:32:38,165 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-01-28 00:32:38,165 INFO L307 ceAbstractionStarter]: Result for error location InUseError was UNSAFE (1/2) [2023-01-28 00:32:38,165 WARN L233 ceAbstractionStarter]: 56 thread instances were not sufficient, I will increase this number and restart the analysis [2023-01-28 00:32:38,165 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 57 thread instances. [2023-01-28 00:32:38,228 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-01-28 00:32:38,231 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 826 places, 712 transitions, 4901 flow [2023-01-28 00:32:38,779 INFO L130 PetriNetUnfolder]: 58/1394 cut-off events. [2023-01-28 00:32:38,779 INFO L131 PetriNetUnfolder]: For 32452/32452 co-relation queries the response was YES. [2023-01-28 00:32:38,828 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3219 conditions, 1394 events. 58/1394 cut-off events. For 32452/32452 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 3007 event pairs, 0 based on Foata normal form. 0/1221 useless extension candidates. Maximal degree in co-relation 3122. Up to 116 conditions per place. [2023-01-28 00:32:38,828 INFO L82 GeneralOperation]: Start removeDead. Operand has 826 places, 712 transitions, 4901 flow [2023-01-28 00:32:38,831 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 821 places, 706 transitions, 4889 flow [2023-01-28 00:32:38,831 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-01-28 00:32:38,831 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 821 places, 706 transitions, 4889 flow [2023-01-28 00:32:38,831 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 821 places, 706 transitions, 4889 flow [2023-01-28 00:32:38,831 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 821 places, 706 transitions, 4889 flow [2023-01-28 00:32:39,216 INFO L130 PetriNetUnfolder]: 0/1046 cut-off events. [2023-01-28 00:32:39,216 INFO L131 PetriNetUnfolder]: For 32452/32452 co-relation queries the response was YES. [2023-01-28 00:32:39,216 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2871 conditions, 1046 events. 0/1046 cut-off events. For 32452/32452 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 1632 event pairs, 0 based on Foata normal form. 0/989 useless extension candidates. Maximal degree in co-relation 0. Up to 58 conditions per place. [2023-01-28 00:32:39,359 INFO L119 LiptonReduction]: Number of co-enabled transitions 430122 [2023-01-28 00:32:46,098 INFO L134 LiptonReduction]: Checked pairs total: 701897 [2023-01-28 00:32:46,099 INFO L136 LiptonReduction]: Total number of compositions: 477 [2023-01-28 00:32:46,099 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == InUseError ======== [2023-01-28 00:32:46,099 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;@47cf2852, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-01-28 00:32:46,100 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-01-28 00:32:46,170 INFO L130 PetriNetUnfolder]: 0/343 cut-off events. [2023-01-28 00:32:46,170 INFO L131 PetriNetUnfolder]: For 32452/32452 co-relation queries the response was YES. [2023-01-28 00:32:46,171 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-01-28 00:32:46,171 INFO L208 CegarLoopForPetriNet]: trace histogram [57, 57, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-01-28 00:32:46,171 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-01-28 00:32:46,171 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-01-28 00:32:46,171 INFO L85 PathProgramCache]: Analyzing trace with hash 590275147, now seen corresponding path program 1 times [2023-01-28 00:32:46,171 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-01-28 00:32:46,171 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [761403910] [2023-01-28 00:32:46,171 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-28 00:32:46,171 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-01-28 00:32:46,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-01-28 00:32:46,228 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-01-28 00:32:46,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-01-28 00:32:46,290 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-01-28 00:32:46,290 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-01-28 00:32:46,290 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 1 remaining) [2023-01-28 00:32:46,290 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable56 [2023-01-28 00:32:46,290 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-01-28 00:32:46,291 INFO L307 ceAbstractionStarter]: Result for error location InUseError was UNSAFE (1/2) [2023-01-28 00:32:46,291 WARN L233 ceAbstractionStarter]: 57 thread instances were not sufficient, I will increase this number and restart the analysis [2023-01-28 00:32:46,291 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 58 thread instances. [2023-01-28 00:32:46,353 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-01-28 00:32:46,357 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 840 places, 724 transitions, 5044 flow [2023-01-28 00:32:46,929 INFO L130 PetriNetUnfolder]: 59/1418 cut-off events. [2023-01-28 00:32:46,929 INFO L131 PetriNetUnfolder]: For 34162/34162 co-relation queries the response was YES. [2023-01-28 00:32:46,976 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3304 conditions, 1418 events. 59/1418 cut-off events. For 34162/34162 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 3181 event pairs, 0 based on Foata normal form. 0/1242 useless extension candidates. Maximal degree in co-relation 3206. Up to 118 conditions per place. [2023-01-28 00:32:46,976 INFO L82 GeneralOperation]: Start removeDead. Operand has 840 places, 724 transitions, 5044 flow [2023-01-28 00:32:46,979 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 835 places, 718 transitions, 5032 flow [2023-01-28 00:32:46,979 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-01-28 00:32:46,979 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 835 places, 718 transitions, 5032 flow [2023-01-28 00:32:46,979 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 835 places, 718 transitions, 5032 flow [2023-01-28 00:32:46,979 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 835 places, 718 transitions, 5032 flow [2023-01-28 00:32:47,368 INFO L130 PetriNetUnfolder]: 0/1064 cut-off events. [2023-01-28 00:32:47,368 INFO L131 PetriNetUnfolder]: For 34162/34162 co-relation queries the response was YES. [2023-01-28 00:32:47,368 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2950 conditions, 1064 events. 0/1064 cut-off events. For 34162/34162 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 1663 event pairs, 0 based on Foata normal form. 0/1006 useless extension candidates. Maximal degree in co-relation 0. Up to 59 conditions per place. [2023-01-28 00:32:47,517 INFO L119 LiptonReduction]: Number of co-enabled transitions 445324 [2023-01-28 00:32:54,429 INFO L134 LiptonReduction]: Checked pairs total: 739240 [2023-01-28 00:32:54,430 INFO L136 LiptonReduction]: Total number of compositions: 485 [2023-01-28 00:32:54,430 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == InUseError ======== [2023-01-28 00:32:54,431 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;@47cf2852, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-01-28 00:32:54,431 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-01-28 00:32:54,506 INFO L130 PetriNetUnfolder]: 0/349 cut-off events. [2023-01-28 00:32:54,506 INFO L131 PetriNetUnfolder]: For 34162/34162 co-relation queries the response was YES. [2023-01-28 00:32:54,506 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-01-28 00:32:54,506 INFO L208 CegarLoopForPetriNet]: trace histogram [58, 58, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-01-28 00:32:54,506 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-01-28 00:32:54,507 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-01-28 00:32:54,507 INFO L85 PathProgramCache]: Analyzing trace with hash 805740037, now seen corresponding path program 1 times [2023-01-28 00:32:54,507 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-01-28 00:32:54,507 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1500019046] [2023-01-28 00:32:54,507 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-28 00:32:54,507 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-01-28 00:32:54,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-01-28 00:32:54,574 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-01-28 00:32:54,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-01-28 00:32:54,637 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-01-28 00:32:54,638 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-01-28 00:32:54,638 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 1 remaining) [2023-01-28 00:32:54,638 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable57 [2023-01-28 00:32:54,638 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-01-28 00:32:54,638 INFO L307 ceAbstractionStarter]: Result for error location InUseError was UNSAFE (1/2) [2023-01-28 00:32:54,638 WARN L233 ceAbstractionStarter]: 58 thread instances were not sufficient, I will increase this number and restart the analysis [2023-01-28 00:32:54,638 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 59 thread instances. [2023-01-28 00:32:54,706 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-01-28 00:32:54,709 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 854 places, 736 transitions, 5189 flow [2023-01-28 00:32:55,305 INFO L130 PetriNetUnfolder]: 60/1442 cut-off events. [2023-01-28 00:32:55,305 INFO L131 PetriNetUnfolder]: For 35931/35931 co-relation queries the response was YES. [2023-01-28 00:32:55,354 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3390 conditions, 1442 events. 60/1442 cut-off events. For 35931/35931 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 3139 event pairs, 0 based on Foata normal form. 0/1263 useless extension candidates. Maximal degree in co-relation 3291. Up to 120 conditions per place. [2023-01-28 00:32:55,354 INFO L82 GeneralOperation]: Start removeDead. Operand has 854 places, 736 transitions, 5189 flow [2023-01-28 00:32:55,357 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 849 places, 730 transitions, 5177 flow [2023-01-28 00:32:55,357 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-01-28 00:32:55,357 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 849 places, 730 transitions, 5177 flow [2023-01-28 00:32:55,357 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 849 places, 730 transitions, 5177 flow [2023-01-28 00:32:55,357 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 849 places, 730 transitions, 5177 flow [2023-01-28 00:32:55,774 INFO L130 PetriNetUnfolder]: 0/1082 cut-off events. [2023-01-28 00:32:55,774 INFO L131 PetriNetUnfolder]: For 35931/35931 co-relation queries the response was YES. [2023-01-28 00:32:55,774 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3030 conditions, 1082 events. 0/1082 cut-off events. For 35931/35931 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 1699 event pairs, 0 based on Foata normal form. 0/1023 useless extension candidates. Maximal degree in co-relation 0. Up to 60 conditions per place. [2023-01-28 00:32:55,928 INFO L119 LiptonReduction]: Number of co-enabled transitions 460790 [2023-01-28 00:33:02,808 INFO L134 LiptonReduction]: Checked pairs total: 759493 [2023-01-28 00:33:02,808 INFO L136 LiptonReduction]: Total number of compositions: 493 [2023-01-28 00:33:02,809 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == InUseError ======== [2023-01-28 00:33:02,809 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;@47cf2852, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-01-28 00:33:02,809 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-01-28 00:33:02,886 INFO L130 PetriNetUnfolder]: 0/355 cut-off events. [2023-01-28 00:33:02,887 INFO L131 PetriNetUnfolder]: For 35931/35931 co-relation queries the response was YES. [2023-01-28 00:33:02,887 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-01-28 00:33:02,887 INFO L208 CegarLoopForPetriNet]: trace histogram [59, 59, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-01-28 00:33:02,887 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-01-28 00:33:02,887 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-01-28 00:33:02,887 INFO L85 PathProgramCache]: Analyzing trace with hash -2080477190, now seen corresponding path program 1 times [2023-01-28 00:33:02,887 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-01-28 00:33:02,887 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1406499522] [2023-01-28 00:33:02,887 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-28 00:33:02,887 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-01-28 00:33:02,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-01-28 00:33:02,958 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-01-28 00:33:02,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-01-28 00:33:03,025 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-01-28 00:33:03,025 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-01-28 00:33:03,025 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 1 remaining) [2023-01-28 00:33:03,025 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable58 [2023-01-28 00:33:03,026 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-01-28 00:33:03,026 INFO L307 ceAbstractionStarter]: Result for error location InUseError was UNSAFE (1/2) [2023-01-28 00:33:03,026 WARN L233 ceAbstractionStarter]: 59 thread instances were not sufficient, I will increase this number and restart the analysis [2023-01-28 00:33:03,026 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 60 thread instances. [2023-01-28 00:33:03,099 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-01-28 00:33:03,102 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 868 places, 748 transitions, 5336 flow [2023-01-28 00:33:03,728 INFO L130 PetriNetUnfolder]: 61/1466 cut-off events. [2023-01-28 00:33:03,729 INFO L131 PetriNetUnfolder]: For 37760/37760 co-relation queries the response was YES. [2023-01-28 00:33:03,777 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3477 conditions, 1466 events. 61/1466 cut-off events. For 37760/37760 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 3174 event pairs, 0 based on Foata normal form. 0/1284 useless extension candidates. Maximal degree in co-relation 3377. Up to 122 conditions per place. [2023-01-28 00:33:03,778 INFO L82 GeneralOperation]: Start removeDead. Operand has 868 places, 748 transitions, 5336 flow [2023-01-28 00:33:03,780 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 863 places, 742 transitions, 5324 flow [2023-01-28 00:33:03,780 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-01-28 00:33:03,780 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 863 places, 742 transitions, 5324 flow [2023-01-28 00:33:03,781 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 863 places, 742 transitions, 5324 flow [2023-01-28 00:33:03,781 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 863 places, 742 transitions, 5324 flow [2023-01-28 00:33:04,202 INFO L130 PetriNetUnfolder]: 0/1100 cut-off events. [2023-01-28 00:33:04,202 INFO L131 PetriNetUnfolder]: For 37760/37760 co-relation queries the response was YES. [2023-01-28 00:33:04,202 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3111 conditions, 1100 events. 0/1100 cut-off events. For 37760/37760 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 1729 event pairs, 0 based on Foata normal form. 0/1040 useless extension candidates. Maximal degree in co-relation 0. Up to 61 conditions per place. [2023-01-28 00:33:04,360 INFO L119 LiptonReduction]: Number of co-enabled transitions 476520 [2023-01-28 00:33:11,465 INFO L134 LiptonReduction]: Checked pairs total: 797539 [2023-01-28 00:33:11,465 INFO L136 LiptonReduction]: Total number of compositions: 501 [2023-01-28 00:33:11,466 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == InUseError ======== [2023-01-28 00:33:11,466 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;@47cf2852, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-01-28 00:33:11,466 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-01-28 00:33:11,547 INFO L130 PetriNetUnfolder]: 0/361 cut-off events. [2023-01-28 00:33:11,548 INFO L131 PetriNetUnfolder]: For 37760/37760 co-relation queries the response was YES. [2023-01-28 00:33:11,548 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-01-28 00:33:11,548 INFO L208 CegarLoopForPetriNet]: trace histogram [60, 60, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-01-28 00:33:11,548 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-01-28 00:33:11,548 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-01-28 00:33:11,548 INFO L85 PathProgramCache]: Analyzing trace with hash 1892856338, now seen corresponding path program 1 times [2023-01-28 00:33:11,548 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-01-28 00:33:11,548 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1133027662] [2023-01-28 00:33:11,548 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-28 00:33:11,548 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-01-28 00:33:11,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-01-28 00:33:11,614 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-01-28 00:33:11,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-01-28 00:33:11,681 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-01-28 00:33:11,681 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-01-28 00:33:11,681 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 1 remaining) [2023-01-28 00:33:11,682 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable59 [2023-01-28 00:33:11,682 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-01-28 00:33:11,682 INFO L307 ceAbstractionStarter]: Result for error location InUseError was UNSAFE (1/2) [2023-01-28 00:33:11,682 WARN L233 ceAbstractionStarter]: 60 thread instances were not sufficient, I will increase this number and restart the analysis [2023-01-28 00:33:11,682 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 61 thread instances. [2023-01-28 00:33:11,764 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-01-28 00:33:11,767 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 882 places, 760 transitions, 5485 flow [2023-01-28 00:33:12,386 INFO L130 PetriNetUnfolder]: 62/1490 cut-off events. [2023-01-28 00:33:12,386 INFO L131 PetriNetUnfolder]: For 39650/39650 co-relation queries the response was YES. [2023-01-28 00:33:12,441 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3565 conditions, 1490 events. 62/1490 cut-off events. For 39650/39650 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 3243 event pairs, 0 based on Foata normal form. 0/1305 useless extension candidates. Maximal degree in co-relation 3464. Up to 124 conditions per place. [2023-01-28 00:33:12,441 INFO L82 GeneralOperation]: Start removeDead. Operand has 882 places, 760 transitions, 5485 flow [2023-01-28 00:33:12,444 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 877 places, 754 transitions, 5473 flow [2023-01-28 00:33:12,444 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-01-28 00:33:12,444 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 877 places, 754 transitions, 5473 flow [2023-01-28 00:33:12,444 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 877 places, 754 transitions, 5473 flow [2023-01-28 00:33:12,444 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 877 places, 754 transitions, 5473 flow [2023-01-28 00:33:12,880 INFO L130 PetriNetUnfolder]: 0/1118 cut-off events. [2023-01-28 00:33:12,881 INFO L131 PetriNetUnfolder]: For 39650/39650 co-relation queries the response was YES. [2023-01-28 00:33:12,881 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3193 conditions, 1118 events. 0/1118 cut-off events. For 39650/39650 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 1767 event pairs, 0 based on Foata normal form. 0/1057 useless extension candidates. Maximal degree in co-relation 0. Up to 62 conditions per place. [2023-01-28 00:33:13,046 INFO L119 LiptonReduction]: Number of co-enabled transitions 492514 [2023-01-28 00:33:20,267 INFO L134 LiptonReduction]: Checked pairs total: 808342 [2023-01-28 00:33:20,267 INFO L136 LiptonReduction]: Total number of compositions: 509 [2023-01-28 00:33:20,268 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == InUseError ======== [2023-01-28 00:33:20,268 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;@47cf2852, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-01-28 00:33:20,268 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-01-28 00:33:20,358 INFO L130 PetriNetUnfolder]: 0/367 cut-off events. [2023-01-28 00:33:20,358 INFO L131 PetriNetUnfolder]: For 39650/39650 co-relation queries the response was YES. [2023-01-28 00:33:20,358 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-01-28 00:33:20,358 INFO L208 CegarLoopForPetriNet]: trace histogram [61, 61, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-01-28 00:33:20,359 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-01-28 00:33:20,359 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-01-28 00:33:20,359 INFO L85 PathProgramCache]: Analyzing trace with hash 1692777857, now seen corresponding path program 1 times [2023-01-28 00:33:20,359 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-01-28 00:33:20,359 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1192379744] [2023-01-28 00:33:20,359 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-28 00:33:20,359 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-01-28 00:33:20,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-01-28 00:33:20,427 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-01-28 00:33:20,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-01-28 00:33:20,495 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-01-28 00:33:20,495 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-01-28 00:33:20,495 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 1 remaining) [2023-01-28 00:33:20,495 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable60 [2023-01-28 00:33:20,495 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-01-28 00:33:20,495 INFO L307 ceAbstractionStarter]: Result for error location InUseError was UNSAFE (1/2) [2023-01-28 00:33:20,495 WARN L233 ceAbstractionStarter]: 61 thread instances were not sufficient, I will increase this number and restart the analysis [2023-01-28 00:33:20,495 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 62 thread instances. [2023-01-28 00:33:20,566 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-01-28 00:33:20,569 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 896 places, 772 transitions, 5636 flow [2023-01-28 00:33:21,179 INFO L130 PetriNetUnfolder]: 63/1514 cut-off events. [2023-01-28 00:33:21,180 INFO L131 PetriNetUnfolder]: For 41602/41602 co-relation queries the response was YES. [2023-01-28 00:33:21,245 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3654 conditions, 1514 events. 63/1514 cut-off events. For 41602/41602 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 3263 event pairs, 0 based on Foata normal form. 0/1326 useless extension candidates. Maximal degree in co-relation 3552. Up to 126 conditions per place. [2023-01-28 00:33:21,245 INFO L82 GeneralOperation]: Start removeDead. Operand has 896 places, 772 transitions, 5636 flow [2023-01-28 00:33:21,248 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 891 places, 766 transitions, 5624 flow [2023-01-28 00:33:21,248 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-01-28 00:33:21,248 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 891 places, 766 transitions, 5624 flow [2023-01-28 00:33:21,248 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 891 places, 766 transitions, 5624 flow [2023-01-28 00:33:21,248 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 891 places, 766 transitions, 5624 flow [2023-01-28 00:33:21,722 INFO L130 PetriNetUnfolder]: 0/1136 cut-off events. [2023-01-28 00:33:21,722 INFO L131 PetriNetUnfolder]: For 41602/41602 co-relation queries the response was YES. [2023-01-28 00:33:21,722 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3276 conditions, 1136 events. 0/1136 cut-off events. For 41602/41602 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 1851 event pairs, 0 based on Foata normal form. 0/1074 useless extension candidates. Maximal degree in co-relation 0. Up to 63 conditions per place. [2023-01-28 00:33:21,896 INFO L119 LiptonReduction]: Number of co-enabled transitions 508772 [2023-01-28 00:33:29,332 INFO L134 LiptonReduction]: Checked pairs total: 797884 [2023-01-28 00:33:29,333 INFO L136 LiptonReduction]: Total number of compositions: 517 [2023-01-28 00:33:29,333 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == InUseError ======== [2023-01-28 00:33:29,334 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;@47cf2852, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-01-28 00:33:29,334 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-01-28 00:33:29,420 INFO L130 PetriNetUnfolder]: 0/373 cut-off events. [2023-01-28 00:33:29,420 INFO L131 PetriNetUnfolder]: For 41602/41602 co-relation queries the response was YES. [2023-01-28 00:33:29,420 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-01-28 00:33:29,420 INFO L208 CegarLoopForPetriNet]: trace histogram [62, 62, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-01-28 00:33:29,420 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-01-28 00:33:29,421 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-01-28 00:33:29,421 INFO L85 PathProgramCache]: Analyzing trace with hash -1127913441, now seen corresponding path program 1 times [2023-01-28 00:33:29,421 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-01-28 00:33:29,421 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2000423906] [2023-01-28 00:33:29,421 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-28 00:33:29,421 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-01-28 00:33:29,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-01-28 00:33:29,492 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-01-28 00:33:29,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-01-28 00:33:29,563 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-01-28 00:33:29,563 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-01-28 00:33:29,563 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 1 remaining) [2023-01-28 00:33:29,563 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable61 [2023-01-28 00:33:29,563 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-01-28 00:33:29,563 INFO L307 ceAbstractionStarter]: Result for error location InUseError was UNSAFE (1/2) [2023-01-28 00:33:29,563 WARN L233 ceAbstractionStarter]: 62 thread instances were not sufficient, I will increase this number and restart the analysis [2023-01-28 00:33:29,563 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 63 thread instances. [2023-01-28 00:33:29,722 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-01-28 00:33:29,726 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 910 places, 784 transitions, 5789 flow [2023-01-28 00:33:30,351 INFO L130 PetriNetUnfolder]: 64/1538 cut-off events. [2023-01-28 00:33:30,352 INFO L131 PetriNetUnfolder]: For 43617/43617 co-relation queries the response was YES. [2023-01-28 00:33:30,436 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3744 conditions, 1538 events. 64/1538 cut-off events. For 43617/43617 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 3312 event pairs, 0 based on Foata normal form. 0/1347 useless extension candidates. Maximal degree in co-relation 3641. Up to 128 conditions per place. [2023-01-28 00:33:30,436 INFO L82 GeneralOperation]: Start removeDead. Operand has 910 places, 784 transitions, 5789 flow [2023-01-28 00:33:30,439 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 905 places, 778 transitions, 5777 flow [2023-01-28 00:33:30,440 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-01-28 00:33:30,440 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 905 places, 778 transitions, 5777 flow [2023-01-28 00:33:30,440 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 905 places, 778 transitions, 5777 flow [2023-01-28 00:33:30,440 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 905 places, 778 transitions, 5777 flow [2023-01-28 00:33:30,927 INFO L130 PetriNetUnfolder]: 0/1154 cut-off events. [2023-01-28 00:33:30,927 INFO L131 PetriNetUnfolder]: For 43617/43617 co-relation queries the response was YES. [2023-01-28 00:33:30,927 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3360 conditions, 1154 events. 0/1154 cut-off events. For 43617/43617 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 1868 event pairs, 0 based on Foata normal form. 0/1091 useless extension candidates. Maximal degree in co-relation 0. Up to 64 conditions per place. [2023-01-28 00:33:31,212 INFO L119 LiptonReduction]: Number of co-enabled transitions 525294 [2023-01-28 00:33:38,756 INFO L134 LiptonReduction]: Checked pairs total: 806137 [2023-01-28 00:33:38,756 INFO L136 LiptonReduction]: Total number of compositions: 525 [2023-01-28 00:33:38,756 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == InUseError ======== [2023-01-28 00:33:38,757 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;@47cf2852, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-01-28 00:33:38,757 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-01-28 00:33:38,843 INFO L130 PetriNetUnfolder]: 0/379 cut-off events. [2023-01-28 00:33:38,843 INFO L131 PetriNetUnfolder]: For 43617/43617 co-relation queries the response was YES. [2023-01-28 00:33:38,843 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-01-28 00:33:38,843 INFO L208 CegarLoopForPetriNet]: trace histogram [63, 63, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-01-28 00:33:38,843 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-01-28 00:33:38,843 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-01-28 00:33:38,844 INFO L85 PathProgramCache]: Analyzing trace with hash 1153561682, now seen corresponding path program 1 times [2023-01-28 00:33:38,844 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-01-28 00:33:38,844 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [788362542] [2023-01-28 00:33:38,844 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-28 00:33:38,844 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-01-28 00:33:38,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-01-28 00:33:38,906 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-01-28 00:33:38,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-01-28 00:33:38,984 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-01-28 00:33:38,984 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-01-28 00:33:38,984 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 1 remaining) [2023-01-28 00:33:38,984 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable62 [2023-01-28 00:33:38,984 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-01-28 00:33:38,984 INFO L307 ceAbstractionStarter]: Result for error location InUseError was UNSAFE (1/2) [2023-01-28 00:33:38,984 WARN L233 ceAbstractionStarter]: 63 thread instances were not sufficient, I will increase this number and restart the analysis [2023-01-28 00:33:38,984 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 64 thread instances. [2023-01-28 00:33:39,050 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-01-28 00:33:39,055 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 924 places, 796 transitions, 5944 flow [2023-01-28 00:33:39,680 INFO L130 PetriNetUnfolder]: 65/1562 cut-off events. [2023-01-28 00:33:39,680 INFO L131 PetriNetUnfolder]: For 45696/45696 co-relation queries the response was YES. [2023-01-28 00:33:39,764 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3835 conditions, 1562 events. 65/1562 cut-off events. For 45696/45696 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 3515 event pairs, 0 based on Foata normal form. 0/1368 useless extension candidates. Maximal degree in co-relation 3731. Up to 130 conditions per place. [2023-01-28 00:33:39,764 INFO L82 GeneralOperation]: Start removeDead. Operand has 924 places, 796 transitions, 5944 flow [2023-01-28 00:33:39,767 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 919 places, 790 transitions, 5932 flow [2023-01-28 00:33:39,767 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-01-28 00:33:39,767 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 919 places, 790 transitions, 5932 flow [2023-01-28 00:33:39,768 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 919 places, 790 transitions, 5932 flow [2023-01-28 00:33:39,768 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 919 places, 790 transitions, 5932 flow [2023-01-28 00:33:40,295 INFO L130 PetriNetUnfolder]: 0/1172 cut-off events. [2023-01-28 00:33:40,295 INFO L131 PetriNetUnfolder]: For 45696/45696 co-relation queries the response was YES. [2023-01-28 00:33:40,295 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3445 conditions, 1172 events. 0/1172 cut-off events. For 45696/45696 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 1917 event pairs, 0 based on Foata normal form. 0/1108 useless extension candidates. Maximal degree in co-relation 0. Up to 65 conditions per place. [2023-01-28 00:33:40,464 INFO L119 LiptonReduction]: Number of co-enabled transitions 542080 [2023-01-28 00:33:48,011 INFO L134 LiptonReduction]: Checked pairs total: 878510 [2023-01-28 00:33:48,012 INFO L136 LiptonReduction]: Total number of compositions: 533 [2023-01-28 00:33:48,013 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == InUseError ======== [2023-01-28 00:33:48,013 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;@47cf2852, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-01-28 00:33:48,013 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-01-28 00:33:48,106 INFO L130 PetriNetUnfolder]: 0/385 cut-off events. [2023-01-28 00:33:48,106 INFO L131 PetriNetUnfolder]: For 45696/45696 co-relation queries the response was YES. [2023-01-28 00:33:48,106 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-01-28 00:33:48,106 INFO L208 CegarLoopForPetriNet]: trace histogram [64, 64, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-01-28 00:33:48,107 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-01-28 00:33:48,107 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-01-28 00:33:48,107 INFO L85 PathProgramCache]: Analyzing trace with hash -1131005524, now seen corresponding path program 1 times [2023-01-28 00:33:48,107 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-01-28 00:33:48,107 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1931963035] [2023-01-28 00:33:48,107 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-28 00:33:48,107 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-01-28 00:33:48,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-01-28 00:33:48,174 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-01-28 00:33:48,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-01-28 00:33:48,253 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-01-28 00:33:48,253 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-01-28 00:33:48,253 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 1 remaining) [2023-01-28 00:33:48,253 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable63 [2023-01-28 00:33:48,253 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-01-28 00:33:48,254 INFO L307 ceAbstractionStarter]: Result for error location InUseError was UNSAFE (1/2) [2023-01-28 00:33:48,254 WARN L233 ceAbstractionStarter]: 64 thread instances were not sufficient, I will increase this number and restart the analysis [2023-01-28 00:33:48,254 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 65 thread instances. [2023-01-28 00:33:48,365 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-01-28 00:33:48,369 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 938 places, 808 transitions, 6101 flow [2023-01-28 00:33:49,142 INFO L130 PetriNetUnfolder]: 66/1586 cut-off events. [2023-01-28 00:33:49,142 INFO L131 PetriNetUnfolder]: For 47840/47840 co-relation queries the response was YES. [2023-01-28 00:33:49,195 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3927 conditions, 1586 events. 66/1586 cut-off events. For 47840/47840 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 3394 event pairs, 0 based on Foata normal form. 0/1389 useless extension candidates. Maximal degree in co-relation 3822. Up to 132 conditions per place. [2023-01-28 00:33:49,195 INFO L82 GeneralOperation]: Start removeDead. Operand has 938 places, 808 transitions, 6101 flow [2023-01-28 00:33:49,199 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 933 places, 802 transitions, 6089 flow [2023-01-28 00:33:49,199 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-01-28 00:33:49,199 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 933 places, 802 transitions, 6089 flow [2023-01-28 00:33:49,199 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 933 places, 802 transitions, 6089 flow [2023-01-28 00:33:49,199 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 933 places, 802 transitions, 6089 flow [2023-01-28 00:33:49,721 INFO L130 PetriNetUnfolder]: 0/1190 cut-off events. [2023-01-28 00:33:49,721 INFO L131 PetriNetUnfolder]: For 47840/47840 co-relation queries the response was YES. [2023-01-28 00:33:49,721 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3531 conditions, 1190 events. 0/1190 cut-off events. For 47840/47840 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 1916 event pairs, 0 based on Foata normal form. 0/1125 useless extension candidates. Maximal degree in co-relation 0. Up to 66 conditions per place. [2023-01-28 00:33:49,916 INFO L119 LiptonReduction]: Number of co-enabled transitions 559130 [2023-01-28 00:33:57,555 INFO L134 LiptonReduction]: Checked pairs total: 864090 [2023-01-28 00:33:57,556 INFO L136 LiptonReduction]: Total number of compositions: 541 [2023-01-28 00:33:57,556 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == InUseError ======== [2023-01-28 00:33:57,557 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;@47cf2852, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-01-28 00:33:57,557 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-01-28 00:33:57,651 INFO L130 PetriNetUnfolder]: 0/391 cut-off events. [2023-01-28 00:33:57,651 INFO L131 PetriNetUnfolder]: For 47840/47840 co-relation queries the response was YES. [2023-01-28 00:33:57,652 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-01-28 00:33:57,652 INFO L208 CegarLoopForPetriNet]: trace histogram [65, 65, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-01-28 00:33:57,652 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-01-28 00:33:57,652 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-01-28 00:33:57,652 INFO L85 PathProgramCache]: Analyzing trace with hash -939522243, now seen corresponding path program 1 times [2023-01-28 00:33:57,652 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-01-28 00:33:57,652 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1446786309] [2023-01-28 00:33:57,652 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-28 00:33:57,652 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-01-28 00:33:57,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-01-28 00:33:57,740 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-01-28 00:33:57,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-01-28 00:33:57,824 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-01-28 00:33:57,824 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-01-28 00:33:57,824 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 1 remaining) [2023-01-28 00:33:57,824 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable64 [2023-01-28 00:33:57,824 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-01-28 00:33:57,824 INFO L307 ceAbstractionStarter]: Result for error location InUseError was UNSAFE (1/2) [2023-01-28 00:33:57,824 WARN L233 ceAbstractionStarter]: 65 thread instances were not sufficient, I will increase this number and restart the analysis [2023-01-28 00:33:57,824 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 66 thread instances. [2023-01-28 00:33:57,902 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-01-28 00:33:57,907 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 952 places, 820 transitions, 6260 flow [2023-01-28 00:33:58,643 INFO L130 PetriNetUnfolder]: 67/1610 cut-off events. [2023-01-28 00:33:58,643 INFO L131 PetriNetUnfolder]: For 50050/50050 co-relation queries the response was YES. [2023-01-28 00:33:58,736 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4020 conditions, 1610 events. 67/1610 cut-off events. For 50050/50050 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 3480 event pairs, 0 based on Foata normal form. 0/1410 useless extension candidates. Maximal degree in co-relation 3914. Up to 134 conditions per place. [2023-01-28 00:33:58,736 INFO L82 GeneralOperation]: Start removeDead. Operand has 952 places, 820 transitions, 6260 flow [2023-01-28 00:33:58,740 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 947 places, 814 transitions, 6248 flow [2023-01-28 00:33:58,740 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-01-28 00:33:58,740 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 947 places, 814 transitions, 6248 flow [2023-01-28 00:33:58,740 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 947 places, 814 transitions, 6248 flow [2023-01-28 00:33:58,740 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 947 places, 814 transitions, 6248 flow [2023-01-28 00:33:59,387 INFO L130 PetriNetUnfolder]: 0/1208 cut-off events. [2023-01-28 00:33:59,387 INFO L131 PetriNetUnfolder]: For 50050/50050 co-relation queries the response was YES. [2023-01-28 00:33:59,388 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3618 conditions, 1208 events. 0/1208 cut-off events. For 50050/50050 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 1965 event pairs, 0 based on Foata normal form. 0/1142 useless extension candidates. Maximal degree in co-relation 0. Up to 67 conditions per place. [2023-01-28 00:33:59,566 INFO L119 LiptonReduction]: Number of co-enabled transitions 576444 [2023-01-28 00:34:07,568 INFO L134 LiptonReduction]: Checked pairs total: 914045 [2023-01-28 00:34:07,568 INFO L136 LiptonReduction]: Total number of compositions: 549 [2023-01-28 00:34:07,569 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == InUseError ======== [2023-01-28 00:34:07,569 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;@47cf2852, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-01-28 00:34:07,569 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-01-28 00:34:07,669 INFO L130 PetriNetUnfolder]: 0/397 cut-off events. [2023-01-28 00:34:07,669 INFO L131 PetriNetUnfolder]: For 50050/50050 co-relation queries the response was YES. [2023-01-28 00:34:07,669 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-01-28 00:34:07,670 INFO L208 CegarLoopForPetriNet]: trace histogram [66, 66, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-01-28 00:34:07,670 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-01-28 00:34:07,670 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-01-28 00:34:07,670 INFO L85 PathProgramCache]: Analyzing trace with hash 336945561, now seen corresponding path program 1 times [2023-01-28 00:34:07,670 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-01-28 00:34:07,670 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [99849109] [2023-01-28 00:34:07,670 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-28 00:34:07,670 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-01-28 00:34:07,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-01-28 00:34:07,744 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-01-28 00:34:07,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-01-28 00:34:07,821 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-01-28 00:34:07,821 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-01-28 00:34:07,821 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 1 remaining) [2023-01-28 00:34:07,821 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable65 [2023-01-28 00:34:07,821 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-01-28 00:34:07,821 INFO L307 ceAbstractionStarter]: Result for error location InUseError was UNSAFE (1/2) [2023-01-28 00:34:07,821 WARN L233 ceAbstractionStarter]: 66 thread instances were not sufficient, I will increase this number and restart the analysis [2023-01-28 00:34:07,822 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 67 thread instances. [2023-01-28 00:34:07,895 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-01-28 00:34:07,899 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 966 places, 832 transitions, 6421 flow [2023-01-28 00:34:08,702 INFO L130 PetriNetUnfolder]: 68/1634 cut-off events. [2023-01-28 00:34:08,702 INFO L131 PetriNetUnfolder]: For 52327/52327 co-relation queries the response was YES. [2023-01-28 00:34:08,764 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4114 conditions, 1634 events. 68/1634 cut-off events. For 52327/52327 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 3520 event pairs, 0 based on Foata normal form. 0/1431 useless extension candidates. Maximal degree in co-relation 4007. Up to 136 conditions per place. [2023-01-28 00:34:08,764 INFO L82 GeneralOperation]: Start removeDead. Operand has 966 places, 832 transitions, 6421 flow [2023-01-28 00:34:08,768 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 961 places, 826 transitions, 6409 flow [2023-01-28 00:34:08,768 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-01-28 00:34:08,768 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 961 places, 826 transitions, 6409 flow [2023-01-28 00:34:08,768 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 961 places, 826 transitions, 6409 flow [2023-01-28 00:34:08,768 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 961 places, 826 transitions, 6409 flow [2023-01-28 00:34:09,314 INFO L130 PetriNetUnfolder]: 0/1226 cut-off events. [2023-01-28 00:34:09,315 INFO L131 PetriNetUnfolder]: For 52327/52327 co-relation queries the response was YES. [2023-01-28 00:34:09,315 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3706 conditions, 1226 events. 0/1226 cut-off events. For 52327/52327 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 1995 event pairs, 0 based on Foata normal form. 0/1159 useless extension candidates. Maximal degree in co-relation 0. Up to 68 conditions per place. [2023-01-28 00:34:09,527 INFO L119 LiptonReduction]: Number of co-enabled transitions 594022 [2023-01-28 00:34:17,544 INFO L134 LiptonReduction]: Checked pairs total: 910241 [2023-01-28 00:34:17,544 INFO L136 LiptonReduction]: Total number of compositions: 557 [2023-01-28 00:34:17,545 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == InUseError ======== [2023-01-28 00:34:17,545 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;@47cf2852, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-01-28 00:34:17,545 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-01-28 00:34:17,646 INFO L130 PetriNetUnfolder]: 0/403 cut-off events. [2023-01-28 00:34:17,646 INFO L131 PetriNetUnfolder]: For 52327/52327 co-relation queries the response was YES. [2023-01-28 00:34:17,646 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-01-28 00:34:17,646 INFO L208 CegarLoopForPetriNet]: trace histogram [67, 67, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-01-28 00:34:17,647 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-01-28 00:34:17,647 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-01-28 00:34:17,647 INFO L85 PathProgramCache]: Analyzing trace with hash 1783205241, now seen corresponding path program 1 times [2023-01-28 00:34:17,647 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-01-28 00:34:17,647 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1937390671] [2023-01-28 00:34:17,647 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-28 00:34:17,647 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-01-28 00:34:17,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-01-28 00:34:17,725 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-01-28 00:34:17,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-01-28 00:34:17,812 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-01-28 00:34:17,812 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-01-28 00:34:17,812 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 1 remaining) [2023-01-28 00:34:17,812 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable66 [2023-01-28 00:34:17,812 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-01-28 00:34:17,812 INFO L307 ceAbstractionStarter]: Result for error location InUseError was UNSAFE (1/2) [2023-01-28 00:34:17,813 WARN L233 ceAbstractionStarter]: 67 thread instances were not sufficient, I will increase this number and restart the analysis [2023-01-28 00:34:17,813 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 68 thread instances. [2023-01-28 00:34:17,894 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-01-28 00:34:17,898 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 980 places, 844 transitions, 6584 flow [2023-01-28 00:34:18,641 INFO L130 PetriNetUnfolder]: 69/1658 cut-off events. [2023-01-28 00:34:18,641 INFO L131 PetriNetUnfolder]: For 54672/54672 co-relation queries the response was YES. [2023-01-28 00:34:18,739 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4209 conditions, 1658 events. 69/1658 cut-off events. For 54672/54672 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 3596 event pairs, 0 based on Foata normal form. 0/1452 useless extension candidates. Maximal degree in co-relation 4101. Up to 138 conditions per place. [2023-01-28 00:34:18,739 INFO L82 GeneralOperation]: Start removeDead. Operand has 980 places, 844 transitions, 6584 flow [2023-01-28 00:34:18,743 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 975 places, 838 transitions, 6572 flow [2023-01-28 00:34:18,743 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-01-28 00:34:18,743 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 975 places, 838 transitions, 6572 flow [2023-01-28 00:34:18,743 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 975 places, 838 transitions, 6572 flow [2023-01-28 00:34:18,743 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 975 places, 838 transitions, 6572 flow [2023-01-28 00:34:19,330 INFO L130 PetriNetUnfolder]: 0/1244 cut-off events. [2023-01-28 00:34:19,332 INFO L131 PetriNetUnfolder]: For 54672/54672 co-relation queries the response was YES. [2023-01-28 00:34:19,332 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3795 conditions, 1244 events. 0/1244 cut-off events. For 54672/54672 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 2034 event pairs, 0 based on Foata normal form. 0/1176 useless extension candidates. Maximal degree in co-relation 0. Up to 69 conditions per place. [2023-01-28 00:34:19,566 INFO L119 LiptonReduction]: Number of co-enabled transitions 611864 [2023-01-28 00:34:27,625 INFO L134 LiptonReduction]: Checked pairs total: 962376 [2023-01-28 00:34:27,625 INFO L136 LiptonReduction]: Total number of compositions: 565 [2023-01-28 00:34:27,626 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == InUseError ======== [2023-01-28 00:34:27,626 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;@47cf2852, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-01-28 00:34:27,626 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-01-28 00:34:27,733 INFO L130 PetriNetUnfolder]: 0/409 cut-off events. [2023-01-28 00:34:27,733 INFO L131 PetriNetUnfolder]: For 54672/54672 co-relation queries the response was YES. [2023-01-28 00:34:27,734 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-01-28 00:34:27,734 INFO L208 CegarLoopForPetriNet]: trace histogram [68, 68, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-01-28 00:34:27,734 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-01-28 00:34:27,734 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-01-28 00:34:27,734 INFO L85 PathProgramCache]: Analyzing trace with hash 1572450694, now seen corresponding path program 1 times [2023-01-28 00:34:27,734 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-01-28 00:34:27,734 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [589820071] [2023-01-28 00:34:27,734 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-28 00:34:27,734 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-01-28 00:34:27,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-01-28 00:34:27,814 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-01-28 00:34:27,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-01-28 00:34:27,903 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-01-28 00:34:27,903 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-01-28 00:34:27,903 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 1 remaining) [2023-01-28 00:34:27,903 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable67 [2023-01-28 00:34:27,903 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-01-28 00:34:27,903 INFO L307 ceAbstractionStarter]: Result for error location InUseError was UNSAFE (1/2) [2023-01-28 00:34:27,903 WARN L233 ceAbstractionStarter]: 68 thread instances were not sufficient, I will increase this number and restart the analysis [2023-01-28 00:34:27,904 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 69 thread instances. [2023-01-28 00:34:28,044 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-01-28 00:34:28,048 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 994 places, 856 transitions, 6749 flow [2023-01-28 00:34:28,820 INFO L130 PetriNetUnfolder]: 70/1682 cut-off events. [2023-01-28 00:34:28,821 INFO L131 PetriNetUnfolder]: For 57086/57086 co-relation queries the response was YES. [2023-01-28 00:34:28,925 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4305 conditions, 1682 events. 70/1682 cut-off events. For 57086/57086 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 3644 event pairs, 0 based on Foata normal form. 0/1473 useless extension candidates. Maximal degree in co-relation 4196. Up to 140 conditions per place. [2023-01-28 00:34:28,925 INFO L82 GeneralOperation]: Start removeDead. Operand has 994 places, 856 transitions, 6749 flow [2023-01-28 00:34:28,929 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 989 places, 850 transitions, 6737 flow [2023-01-28 00:34:28,929 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-01-28 00:34:28,929 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 989 places, 850 transitions, 6737 flow [2023-01-28 00:34:28,929 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 989 places, 850 transitions, 6737 flow [2023-01-28 00:34:28,929 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 989 places, 850 transitions, 6737 flow [2023-01-28 00:34:29,614 INFO L130 PetriNetUnfolder]: 0/1262 cut-off events. [2023-01-28 00:34:29,614 INFO L131 PetriNetUnfolder]: For 57086/57086 co-relation queries the response was YES. [2023-01-28 00:34:29,614 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3885 conditions, 1262 events. 0/1262 cut-off events. For 57086/57086 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 2068 event pairs, 0 based on Foata normal form. 0/1193 useless extension candidates. Maximal degree in co-relation 0. Up to 70 conditions per place. [2023-01-28 00:34:29,821 INFO L119 LiptonReduction]: Number of co-enabled transitions 629970 [2023-01-28 00:34:38,117 INFO L134 LiptonReduction]: Checked pairs total: 968529 [2023-01-28 00:34:38,118 INFO L136 LiptonReduction]: Total number of compositions: 573 [2023-01-28 00:34:38,118 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == InUseError ======== [2023-01-28 00:34:38,119 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;@47cf2852, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-01-28 00:34:38,119 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-01-28 00:34:38,229 INFO L130 PetriNetUnfolder]: 0/415 cut-off events. [2023-01-28 00:34:38,229 INFO L131 PetriNetUnfolder]: For 57086/57086 co-relation queries the response was YES. [2023-01-28 00:34:38,229 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-01-28 00:34:38,229 INFO L208 CegarLoopForPetriNet]: trace histogram [69, 69, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-01-28 00:34:38,229 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-01-28 00:34:38,229 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-01-28 00:34:38,229 INFO L85 PathProgramCache]: Analyzing trace with hash -384284516, now seen corresponding path program 1 times [2023-01-28 00:34:38,229 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-01-28 00:34:38,229 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1537748171] [2023-01-28 00:34:38,229 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-28 00:34:38,230 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-01-28 00:34:38,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-01-28 00:34:38,301 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-01-28 00:34:38,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-01-28 00:34:38,384 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-01-28 00:34:38,384 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-01-28 00:34:38,384 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 1 remaining) [2023-01-28 00:34:38,384 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable68 [2023-01-28 00:34:38,385 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-01-28 00:34:38,385 INFO L307 ceAbstractionStarter]: Result for error location InUseError was UNSAFE (1/2) [2023-01-28 00:34:38,385 WARN L233 ceAbstractionStarter]: 69 thread instances were not sufficient, I will increase this number and restart the analysis [2023-01-28 00:34:38,385 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 70 thread instances. [2023-01-28 00:34:38,467 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-01-28 00:34:38,471 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 1008 places, 868 transitions, 6916 flow [2023-01-28 00:34:39,270 INFO L130 PetriNetUnfolder]: 71/1706 cut-off events. [2023-01-28 00:34:39,271 INFO L131 PetriNetUnfolder]: For 59570/59570 co-relation queries the response was YES. [2023-01-28 00:34:39,363 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4402 conditions, 1706 events. 71/1706 cut-off events. For 59570/59570 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 3644 event pairs, 0 based on Foata normal form. 0/1494 useless extension candidates. Maximal degree in co-relation 4292. Up to 142 conditions per place. [2023-01-28 00:34:39,364 INFO L82 GeneralOperation]: Start removeDead. Operand has 1008 places, 868 transitions, 6916 flow [2023-01-28 00:34:39,367 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 1003 places, 862 transitions, 6904 flow [2023-01-28 00:34:39,367 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-01-28 00:34:39,367 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 1003 places, 862 transitions, 6904 flow [2023-01-28 00:34:39,367 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 1003 places, 862 transitions, 6904 flow [2023-01-28 00:34:39,367 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 1003 places, 862 transitions, 6904 flow [2023-01-28 00:34:40,047 INFO L130 PetriNetUnfolder]: 0/1280 cut-off events. [2023-01-28 00:34:40,047 INFO L131 PetriNetUnfolder]: For 59570/59570 co-relation queries the response was YES. [2023-01-28 00:34:40,048 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3976 conditions, 1280 events. 0/1280 cut-off events. For 59570/59570 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 2054 event pairs, 0 based on Foata normal form. 0/1210 useless extension candidates. Maximal degree in co-relation 0. Up to 71 conditions per place. [2023-01-28 00:34:40,264 INFO L119 LiptonReduction]: Number of co-enabled transitions 648340 [2023-01-28 00:34:48,619 INFO L134 LiptonReduction]: Checked pairs total: 1010161 [2023-01-28 00:34:48,620 INFO L136 LiptonReduction]: Total number of compositions: 581 [2023-01-28 00:34:48,620 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == InUseError ======== [2023-01-28 00:34:48,621 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;@47cf2852, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-01-28 00:34:48,621 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-01-28 00:34:48,733 INFO L130 PetriNetUnfolder]: 0/421 cut-off events. [2023-01-28 00:34:48,734 INFO L131 PetriNetUnfolder]: For 59570/59570 co-relation queries the response was YES. [2023-01-28 00:34:48,734 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-01-28 00:34:48,734 INFO L208 CegarLoopForPetriNet]: trace histogram [70, 70, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-01-28 00:34:48,734 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-01-28 00:34:48,734 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-01-28 00:34:48,734 INFO L85 PathProgramCache]: Analyzing trace with hash 193297747, now seen corresponding path program 1 times [2023-01-28 00:34:48,734 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-01-28 00:34:48,734 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [598455779] [2023-01-28 00:34:48,734 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-28 00:34:48,734 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-01-28 00:34:48,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-01-28 00:34:48,808 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-01-28 00:34:48,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-01-28 00:34:48,892 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-01-28 00:34:48,892 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-01-28 00:34:48,892 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 1 remaining) [2023-01-28 00:34:48,892 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable69 [2023-01-28 00:34:48,892 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-01-28 00:34:48,893 INFO L307 ceAbstractionStarter]: Result for error location InUseError was UNSAFE (1/2) [2023-01-28 00:34:48,893 WARN L233 ceAbstractionStarter]: 70 thread instances were not sufficient, I will increase this number and restart the analysis [2023-01-28 00:34:48,893 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 71 thread instances. [2023-01-28 00:34:48,980 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-01-28 00:34:48,984 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 1022 places, 880 transitions, 7085 flow [2023-01-28 00:34:49,844 INFO L130 PetriNetUnfolder]: 72/1730 cut-off events. [2023-01-28 00:34:49,844 INFO L131 PetriNetUnfolder]: For 62125/62125 co-relation queries the response was YES. [2023-01-28 00:34:49,953 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4500 conditions, 1730 events. 72/1730 cut-off events. For 62125/62125 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 3731 event pairs, 0 based on Foata normal form. 0/1515 useless extension candidates. Maximal degree in co-relation 4389. Up to 144 conditions per place. [2023-01-28 00:34:49,953 INFO L82 GeneralOperation]: Start removeDead. Operand has 1022 places, 880 transitions, 7085 flow [2023-01-28 00:34:49,957 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 1017 places, 874 transitions, 7073 flow [2023-01-28 00:34:49,957 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-01-28 00:34:49,957 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 1017 places, 874 transitions, 7073 flow [2023-01-28 00:34:49,957 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 1017 places, 874 transitions, 7073 flow [2023-01-28 00:34:49,957 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 1017 places, 874 transitions, 7073 flow [2023-01-28 00:34:50,606 INFO L130 PetriNetUnfolder]: 0/1298 cut-off events. [2023-01-28 00:34:50,606 INFO L131 PetriNetUnfolder]: For 62125/62125 co-relation queries the response was YES. [2023-01-28 00:34:50,606 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4068 conditions, 1298 events. 0/1298 cut-off events. For 62125/62125 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 2107 event pairs, 0 based on Foata normal form. 0/1227 useless extension candidates. Maximal degree in co-relation 0. Up to 72 conditions per place. [2023-01-28 00:34:50,836 INFO L119 LiptonReduction]: Number of co-enabled transitions 666974 [2023-01-28 00:34:59,220 INFO L134 LiptonReduction]: Checked pairs total: 1006390 [2023-01-28 00:34:59,220 INFO L136 LiptonReduction]: Total number of compositions: 589 [2023-01-28 00:34:59,221 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == InUseError ======== [2023-01-28 00:34:59,221 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;@47cf2852, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-01-28 00:34:59,221 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-01-28 00:34:59,382 INFO L130 PetriNetUnfolder]: 0/427 cut-off events. [2023-01-28 00:34:59,383 INFO L131 PetriNetUnfolder]: For 62125/62125 co-relation queries the response was YES. [2023-01-28 00:34:59,383 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-01-28 00:34:59,383 INFO L208 CegarLoopForPetriNet]: trace histogram [71, 71, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-01-28 00:34:59,383 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-01-28 00:34:59,383 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-01-28 00:34:59,383 INFO L85 PathProgramCache]: Analyzing trace with hash 1077722578, now seen corresponding path program 1 times [2023-01-28 00:34:59,383 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-01-28 00:34:59,383 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1635416766] [2023-01-28 00:34:59,384 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-28 00:34:59,384 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-01-28 00:34:59,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-01-28 00:34:59,504 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-01-28 00:34:59,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-01-28 00:34:59,612 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-01-28 00:34:59,612 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-01-28 00:34:59,612 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 1 remaining) [2023-01-28 00:34:59,613 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable70 [2023-01-28 00:34:59,613 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-01-28 00:34:59,613 INFO L307 ceAbstractionStarter]: Result for error location InUseError was UNSAFE (1/2) [2023-01-28 00:34:59,613 WARN L233 ceAbstractionStarter]: 71 thread instances were not sufficient, I will increase this number and restart the analysis [2023-01-28 00:34:59,613 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 72 thread instances. [2023-01-28 00:34:59,710 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-01-28 00:34:59,715 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 1036 places, 892 transitions, 7256 flow [2023-01-28 00:35:00,618 INFO L130 PetriNetUnfolder]: 73/1754 cut-off events. [2023-01-28 00:35:00,618 INFO L131 PetriNetUnfolder]: For 64752/64752 co-relation queries the response was YES. [2023-01-28 00:35:00,736 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4599 conditions, 1754 events. 73/1754 cut-off events. For 64752/64752 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 3783 event pairs, 0 based on Foata normal form. 0/1536 useless extension candidates. Maximal degree in co-relation 4487. Up to 146 conditions per place. [2023-01-28 00:35:00,736 INFO L82 GeneralOperation]: Start removeDead. Operand has 1036 places, 892 transitions, 7256 flow [2023-01-28 00:35:00,740 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 1031 places, 886 transitions, 7244 flow [2023-01-28 00:35:00,741 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-01-28 00:35:00,741 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 1031 places, 886 transitions, 7244 flow [2023-01-28 00:35:00,741 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 1031 places, 886 transitions, 7244 flow [2023-01-28 00:35:00,741 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 1031 places, 886 transitions, 7244 flow [2023-01-28 00:35:01,430 INFO L130 PetriNetUnfolder]: 0/1316 cut-off events. [2023-01-28 00:35:01,431 INFO L131 PetriNetUnfolder]: For 64752/64752 co-relation queries the response was YES. [2023-01-28 00:35:01,431 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4161 conditions, 1316 events. 0/1316 cut-off events. For 64752/64752 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 2133 event pairs, 0 based on Foata normal form. 0/1244 useless extension candidates. Maximal degree in co-relation 0. Up to 73 conditions per place. [2023-01-28 00:35:01,673 INFO L119 LiptonReduction]: Number of co-enabled transitions 685872 [2023-01-28 00:35:10,249 INFO L134 LiptonReduction]: Checked pairs total: 1069393 [2023-01-28 00:35:10,249 INFO L136 LiptonReduction]: Total number of compositions: 597 [2023-01-28 00:35:10,250 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == InUseError ======== [2023-01-28 00:35:10,250 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;@47cf2852, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-01-28 00:35:10,250 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-01-28 00:35:10,372 INFO L130 PetriNetUnfolder]: 0/433 cut-off events. [2023-01-28 00:35:10,372 INFO L131 PetriNetUnfolder]: For 64752/64752 co-relation queries the response was YES. [2023-01-28 00:35:10,372 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-01-28 00:35:10,372 INFO L208 CegarLoopForPetriNet]: trace histogram [72, 72, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-01-28 00:35:10,372 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-01-28 00:35:10,372 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-01-28 00:35:10,373 INFO L85 PathProgramCache]: Analyzing trace with hash 1080785504, now seen corresponding path program 1 times [2023-01-28 00:35:10,373 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-01-28 00:35:10,373 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2071280432] [2023-01-28 00:35:10,373 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-28 00:35:10,373 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-01-28 00:35:10,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-01-28 00:35:10,466 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-01-28 00:35:10,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-01-28 00:35:10,565 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-01-28 00:35:10,565 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-01-28 00:35:10,565 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 1 remaining) [2023-01-28 00:35:10,565 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable71 [2023-01-28 00:35:10,565 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-01-28 00:35:10,566 INFO L307 ceAbstractionStarter]: Result for error location InUseError was UNSAFE (1/2) [2023-01-28 00:35:10,566 WARN L233 ceAbstractionStarter]: 72 thread instances were not sufficient, I will increase this number and restart the analysis [2023-01-28 00:35:10,566 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 73 thread instances. [2023-01-28 00:35:10,679 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-01-28 00:35:10,683 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 1050 places, 904 transitions, 7429 flow [2023-01-28 00:35:11,583 INFO L130 PetriNetUnfolder]: 74/1778 cut-off events. [2023-01-28 00:35:11,583 INFO L131 PetriNetUnfolder]: For 67452/67452 co-relation queries the response was YES. [2023-01-28 00:35:11,678 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4699 conditions, 1778 events. 74/1778 cut-off events. For 67452/67452 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 3831 event pairs, 0 based on Foata normal form. 0/1557 useless extension candidates. Maximal degree in co-relation 4586. Up to 148 conditions per place. [2023-01-28 00:35:11,678 INFO L82 GeneralOperation]: Start removeDead. Operand has 1050 places, 904 transitions, 7429 flow [2023-01-28 00:35:11,682 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 1045 places, 898 transitions, 7417 flow [2023-01-28 00:35:11,682 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-01-28 00:35:11,682 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 1045 places, 898 transitions, 7417 flow [2023-01-28 00:35:11,682 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 1045 places, 898 transitions, 7417 flow [2023-01-28 00:35:11,682 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 1045 places, 898 transitions, 7417 flow [2023-01-28 00:35:12,329 INFO L130 PetriNetUnfolder]: 0/1334 cut-off events. [2023-01-28 00:35:12,329 INFO L131 PetriNetUnfolder]: For 67452/67452 co-relation queries the response was YES. [2023-01-28 00:35:12,330 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4255 conditions, 1334 events. 0/1334 cut-off events. For 67452/67452 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 2157 event pairs, 0 based on Foata normal form. 0/1261 useless extension candidates. Maximal degree in co-relation 0. Up to 74 conditions per place. [2023-01-28 00:35:12,702 INFO L119 LiptonReduction]: Number of co-enabled transitions 705034 [2023-01-28 00:35:21,372 INFO L134 LiptonReduction]: Checked pairs total: 1104899 [2023-01-28 00:35:21,373 INFO L136 LiptonReduction]: Total number of compositions: 605 [2023-01-28 00:35:21,373 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == InUseError ======== [2023-01-28 00:35:21,373 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;@47cf2852, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-01-28 00:35:21,374 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-01-28 00:35:21,508 INFO L130 PetriNetUnfolder]: 0/439 cut-off events. [2023-01-28 00:35:21,509 INFO L131 PetriNetUnfolder]: For 67452/67452 co-relation queries the response was YES. [2023-01-28 00:35:21,509 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-01-28 00:35:21,509 INFO L208 CegarLoopForPetriNet]: trace histogram [73, 73, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-01-28 00:35:21,509 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-01-28 00:35:21,509 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-01-28 00:35:21,509 INFO L85 PathProgramCache]: Analyzing trace with hash -743556995, now seen corresponding path program 1 times [2023-01-28 00:35:21,509 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-01-28 00:35:21,509 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1940940562] [2023-01-28 00:35:21,509 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-28 00:35:21,509 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-01-28 00:35:21,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-01-28 00:35:21,600 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-01-28 00:35:21,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-01-28 00:35:21,694 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-01-28 00:35:21,694 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-01-28 00:35:21,695 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 1 remaining) [2023-01-28 00:35:21,695 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable72 [2023-01-28 00:35:21,695 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-01-28 00:35:21,695 INFO L307 ceAbstractionStarter]: Result for error location InUseError was UNSAFE (1/2) [2023-01-28 00:35:21,695 WARN L233 ceAbstractionStarter]: 73 thread instances were not sufficient, I will increase this number and restart the analysis [2023-01-28 00:35:21,695 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 74 thread instances. [2023-01-28 00:35:21,785 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-01-28 00:35:21,789 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 1064 places, 916 transitions, 7604 flow [2023-01-28 00:35:22,757 INFO L130 PetriNetUnfolder]: 75/1802 cut-off events. [2023-01-28 00:35:22,757 INFO L131 PetriNetUnfolder]: For 70226/70226 co-relation queries the response was YES. [2023-01-28 00:35:22,854 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4800 conditions, 1802 events. 75/1802 cut-off events. For 70226/70226 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 3904 event pairs, 0 based on Foata normal form. 0/1578 useless extension candidates. Maximal degree in co-relation 4686. Up to 150 conditions per place. [2023-01-28 00:35:22,854 INFO L82 GeneralOperation]: Start removeDead. Operand has 1064 places, 916 transitions, 7604 flow [2023-01-28 00:35:22,858 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 1059 places, 910 transitions, 7592 flow [2023-01-28 00:35:22,858 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-01-28 00:35:22,858 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 1059 places, 910 transitions, 7592 flow [2023-01-28 00:35:22,858 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 1059 places, 910 transitions, 7592 flow [2023-01-28 00:35:22,858 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 1059 places, 910 transitions, 7592 flow [2023-01-28 00:35:23,677 INFO L130 PetriNetUnfolder]: 0/1352 cut-off events. [2023-01-28 00:35:23,677 INFO L131 PetriNetUnfolder]: For 70226/70226 co-relation queries the response was YES. [2023-01-28 00:35:23,678 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4350 conditions, 1352 events. 0/1352 cut-off events. For 70226/70226 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 2209 event pairs, 0 based on Foata normal form. 0/1278 useless extension candidates. Maximal degree in co-relation 0. Up to 75 conditions per place. [2023-01-28 00:35:23,927 INFO L119 LiptonReduction]: Number of co-enabled transitions 724460 [2023-01-28 00:35:32,973 INFO L134 LiptonReduction]: Checked pairs total: 1143135 [2023-01-28 00:35:32,974 INFO L136 LiptonReduction]: Total number of compositions: 613 [2023-01-28 00:35:32,974 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == InUseError ======== [2023-01-28 00:35:32,975 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;@47cf2852, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-01-28 00:35:32,975 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-01-28 00:35:33,107 INFO L130 PetriNetUnfolder]: 0/445 cut-off events. [2023-01-28 00:35:33,107 INFO L131 PetriNetUnfolder]: For 70226/70226 co-relation queries the response was YES. [2023-01-28 00:35:33,108 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-01-28 00:35:33,108 INFO L208 CegarLoopForPetriNet]: trace histogram [74, 74, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-01-28 00:35:33,108 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-01-28 00:35:33,108 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-01-28 00:35:33,108 INFO L85 PathProgramCache]: Analyzing trace with hash -270386547, now seen corresponding path program 1 times [2023-01-28 00:35:33,108 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-01-28 00:35:33,108 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1781347826] [2023-01-28 00:35:33,108 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-28 00:35:33,108 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-01-28 00:35:33,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-01-28 00:35:33,198 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-01-28 00:35:33,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-01-28 00:35:33,296 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-01-28 00:35:33,296 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-01-28 00:35:33,296 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 1 remaining) [2023-01-28 00:35:33,296 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable73 [2023-01-28 00:35:33,296 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-01-28 00:35:33,297 INFO L307 ceAbstractionStarter]: Result for error location InUseError was UNSAFE (1/2) [2023-01-28 00:35:33,297 WARN L233 ceAbstractionStarter]: 74 thread instances were not sufficient, I will increase this number and restart the analysis [2023-01-28 00:35:33,297 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 75 thread instances. [2023-01-28 00:35:33,418 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-01-28 00:35:33,422 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 1078 places, 928 transitions, 7781 flow [2023-01-28 00:35:34,448 INFO L130 PetriNetUnfolder]: 76/1826 cut-off events. [2023-01-28 00:35:34,448 INFO L131 PetriNetUnfolder]: For 73075/73075 co-relation queries the response was YES. [2023-01-28 00:35:34,538 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4902 conditions, 1826 events. 76/1826 cut-off events. For 73075/73075 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 3951 event pairs, 0 based on Foata normal form. 0/1599 useless extension candidates. Maximal degree in co-relation 4787. Up to 152 conditions per place. [2023-01-28 00:35:34,538 INFO L82 GeneralOperation]: Start removeDead. Operand has 1078 places, 928 transitions, 7781 flow [2023-01-28 00:35:34,542 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 1073 places, 922 transitions, 7769 flow [2023-01-28 00:35:34,542 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-01-28 00:35:34,542 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 1073 places, 922 transitions, 7769 flow [2023-01-28 00:35:34,542 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 1073 places, 922 transitions, 7769 flow [2023-01-28 00:35:34,543 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 1073 places, 922 transitions, 7769 flow [2023-01-28 00:35:35,276 INFO L130 PetriNetUnfolder]: 0/1370 cut-off events. [2023-01-28 00:35:35,276 INFO L131 PetriNetUnfolder]: For 73075/73075 co-relation queries the response was YES. [2023-01-28 00:35:35,276 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4446 conditions, 1370 events. 0/1370 cut-off events. For 73075/73075 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 2238 event pairs, 0 based on Foata normal form. 0/1295 useless extension candidates. Maximal degree in co-relation 0. Up to 76 conditions per place. [2023-01-28 00:35:35,565 INFO L119 LiptonReduction]: Number of co-enabled transitions 744150 [2023-01-28 00:35:44,600 INFO L134 LiptonReduction]: Checked pairs total: 1158540 [2023-01-28 00:35:44,600 INFO L136 LiptonReduction]: Total number of compositions: 621 [2023-01-28 00:35:44,601 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == InUseError ======== [2023-01-28 00:35:44,601 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;@47cf2852, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-01-28 00:35:44,601 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-01-28 00:35:44,736 INFO L130 PetriNetUnfolder]: 0/451 cut-off events. [2023-01-28 00:35:44,736 INFO L131 PetriNetUnfolder]: For 73075/73075 co-relation queries the response was YES. [2023-01-28 00:35:44,736 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-01-28 00:35:44,736 INFO L208 CegarLoopForPetriNet]: trace histogram [75, 75, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-01-28 00:35:44,736 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-01-28 00:35:44,736 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-01-28 00:35:44,736 INFO L85 PathProgramCache]: Analyzing trace with hash 1400331513, now seen corresponding path program 1 times [2023-01-28 00:35:44,736 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-01-28 00:35:44,736 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1828274326] [2023-01-28 00:35:44,736 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-28 00:35:44,737 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-01-28 00:35:44,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-01-28 00:35:44,865 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-01-28 00:35:44,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-01-28 00:35:44,963 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-01-28 00:35:44,963 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-01-28 00:35:44,963 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 1 remaining) [2023-01-28 00:35:44,963 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable74 [2023-01-28 00:35:44,963 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-01-28 00:35:44,964 INFO L307 ceAbstractionStarter]: Result for error location InUseError was UNSAFE (1/2) [2023-01-28 00:35:44,964 WARN L233 ceAbstractionStarter]: 75 thread instances were not sufficient, I will increase this number and restart the analysis [2023-01-28 00:35:44,964 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 76 thread instances. [2023-01-28 00:35:45,056 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-01-28 00:35:45,060 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 1092 places, 940 transitions, 7960 flow [2023-01-28 00:35:46,028 INFO L130 PetriNetUnfolder]: 77/1850 cut-off events. [2023-01-28 00:35:46,028 INFO L131 PetriNetUnfolder]: For 76000/76000 co-relation queries the response was YES. [2023-01-28 00:35:46,157 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5005 conditions, 1850 events. 77/1850 cut-off events. For 76000/76000 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 3977 event pairs, 0 based on Foata normal form. 0/1620 useless extension candidates. Maximal degree in co-relation 4889. Up to 154 conditions per place. [2023-01-28 00:35:46,157 INFO L82 GeneralOperation]: Start removeDead. Operand has 1092 places, 940 transitions, 7960 flow [2023-01-28 00:35:46,161 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 1087 places, 934 transitions, 7948 flow [2023-01-28 00:35:46,161 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-01-28 00:35:46,161 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 1087 places, 934 transitions, 7948 flow [2023-01-28 00:35:46,162 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 1087 places, 934 transitions, 7948 flow [2023-01-28 00:35:46,162 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 1087 places, 934 transitions, 7948 flow [2023-01-28 00:35:46,982 INFO L130 PetriNetUnfolder]: 0/1388 cut-off events. [2023-01-28 00:35:46,982 INFO L131 PetriNetUnfolder]: For 76000/76000 co-relation queries the response was YES. [2023-01-28 00:35:46,982 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4543 conditions, 1388 events. 0/1388 cut-off events. For 76000/76000 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 2242 event pairs, 0 based on Foata normal form. 0/1312 useless extension candidates. Maximal degree in co-relation 0. Up to 77 conditions per place. [2023-01-28 00:35:47,246 INFO L119 LiptonReduction]: Number of co-enabled transitions 764104 [2023-01-28 00:35:56,393 INFO L134 LiptonReduction]: Checked pairs total: 1187996 [2023-01-28 00:35:56,394 INFO L136 LiptonReduction]: Total number of compositions: 629 [2023-01-28 00:35:56,394 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == InUseError ======== [2023-01-28 00:35:56,395 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;@47cf2852, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-01-28 00:35:56,395 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-01-28 00:35:56,533 INFO L130 PetriNetUnfolder]: 0/457 cut-off events. [2023-01-28 00:35:56,533 INFO L131 PetriNetUnfolder]: For 76000/76000 co-relation queries the response was YES. [2023-01-28 00:35:56,533 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-01-28 00:35:56,534 INFO L208 CegarLoopForPetriNet]: trace histogram [76, 76, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-01-28 00:35:56,534 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-01-28 00:35:56,534 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-01-28 00:35:56,534 INFO L85 PathProgramCache]: Analyzing trace with hash 813793018, now seen corresponding path program 1 times [2023-01-28 00:35:56,534 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-01-28 00:35:56,534 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [212261650] [2023-01-28 00:35:56,534 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-28 00:35:56,534 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-01-28 00:35:56,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-01-28 00:35:56,628 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-01-28 00:35:56,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-01-28 00:35:56,732 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-01-28 00:35:56,732 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-01-28 00:35:56,732 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 1 remaining) [2023-01-28 00:35:56,733 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable75 [2023-01-28 00:35:56,733 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-01-28 00:35:56,733 INFO L307 ceAbstractionStarter]: Result for error location InUseError was UNSAFE (1/2) [2023-01-28 00:35:56,733 WARN L233 ceAbstractionStarter]: 76 thread instances were not sufficient, I will increase this number and restart the analysis [2023-01-28 00:35:56,733 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 77 thread instances. [2023-01-28 00:35:56,830 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-01-28 00:35:56,834 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 1106 places, 952 transitions, 8141 flow [2023-01-28 00:35:57,901 INFO L130 PetriNetUnfolder]: 78/1874 cut-off events. [2023-01-28 00:35:57,901 INFO L131 PetriNetUnfolder]: For 79002/79002 co-relation queries the response was YES. [2023-01-28 00:35:57,990 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5109 conditions, 1874 events. 78/1874 cut-off events. For 79002/79002 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 4042 event pairs, 0 based on Foata normal form. 0/1641 useless extension candidates. Maximal degree in co-relation 4992. Up to 156 conditions per place. [2023-01-28 00:35:57,991 INFO L82 GeneralOperation]: Start removeDead. Operand has 1106 places, 952 transitions, 8141 flow [2023-01-28 00:35:57,994 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 1101 places, 946 transitions, 8129 flow [2023-01-28 00:35:57,994 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-01-28 00:35:57,994 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 1101 places, 946 transitions, 8129 flow [2023-01-28 00:35:57,995 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 1101 places, 946 transitions, 8129 flow [2023-01-28 00:35:57,995 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 1101 places, 946 transitions, 8129 flow [2023-01-28 00:35:58,728 INFO L130 PetriNetUnfolder]: 0/1406 cut-off events. [2023-01-28 00:35:58,728 INFO L131 PetriNetUnfolder]: For 79002/79002 co-relation queries the response was YES. [2023-01-28 00:35:58,729 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4641 conditions, 1406 events. 0/1406 cut-off events. For 79002/79002 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 2280 event pairs, 0 based on Foata normal form. 0/1329 useless extension candidates. Maximal degree in co-relation 0. Up to 78 conditions per place. [2023-01-28 00:35:59,031 INFO L119 LiptonReduction]: Number of co-enabled transitions 784322 [2023-01-28 00:36:08,282 INFO L134 LiptonReduction]: Checked pairs total: 1199381 [2023-01-28 00:36:08,282 INFO L136 LiptonReduction]: Total number of compositions: 637 [2023-01-28 00:36:08,283 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == InUseError ======== [2023-01-28 00:36:08,283 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;@47cf2852, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-01-28 00:36:08,283 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-01-28 00:36:08,425 INFO L130 PetriNetUnfolder]: 0/463 cut-off events. [2023-01-28 00:36:08,425 INFO L131 PetriNetUnfolder]: For 79002/79002 co-relation queries the response was YES. [2023-01-28 00:36:08,425 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-01-28 00:36:08,425 INFO L208 CegarLoopForPetriNet]: trace histogram [77, 77, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-01-28 00:36:08,425 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-01-28 00:36:08,425 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-01-28 00:36:08,426 INFO L85 PathProgramCache]: Analyzing trace with hash -1590213705, now seen corresponding path program 1 times [2023-01-28 00:36:08,426 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-01-28 00:36:08,426 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1064947762] [2023-01-28 00:36:08,426 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-28 00:36:08,426 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-01-28 00:36:08,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-01-28 00:36:08,521 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-01-28 00:36:08,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-01-28 00:36:08,628 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-01-28 00:36:08,629 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-01-28 00:36:08,629 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 1 remaining) [2023-01-28 00:36:08,629 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable76 [2023-01-28 00:36:08,629 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-01-28 00:36:08,629 INFO L307 ceAbstractionStarter]: Result for error location InUseError was UNSAFE (1/2) [2023-01-28 00:36:08,629 WARN L233 ceAbstractionStarter]: 77 thread instances were not sufficient, I will increase this number and restart the analysis [2023-01-28 00:36:08,629 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 78 thread instances. [2023-01-28 00:36:08,727 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-01-28 00:36:08,731 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 1120 places, 964 transitions, 8324 flow [2023-01-28 00:36:09,798 INFO L130 PetriNetUnfolder]: 79/1898 cut-off events. [2023-01-28 00:36:09,798 INFO L131 PetriNetUnfolder]: For 82082/82082 co-relation queries the response was YES. [2023-01-28 00:36:09,932 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5214 conditions, 1898 events. 79/1898 cut-off events. For 82082/82082 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 4130 event pairs, 0 based on Foata normal form. 0/1662 useless extension candidates. Maximal degree in co-relation 5096. Up to 158 conditions per place. [2023-01-28 00:36:09,932 INFO L82 GeneralOperation]: Start removeDead. Operand has 1120 places, 964 transitions, 8324 flow [2023-01-28 00:36:09,937 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 1115 places, 958 transitions, 8312 flow [2023-01-28 00:36:09,937 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-01-28 00:36:09,937 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 1115 places, 958 transitions, 8312 flow [2023-01-28 00:36:09,937 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 1115 places, 958 transitions, 8312 flow [2023-01-28 00:36:09,937 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 1115 places, 958 transitions, 8312 flow [2023-01-28 00:36:10,725 INFO L130 PetriNetUnfolder]: 0/1424 cut-off events. [2023-01-28 00:36:10,725 INFO L131 PetriNetUnfolder]: For 82082/82082 co-relation queries the response was YES. [2023-01-28 00:36:10,726 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4740 conditions, 1424 events. 0/1424 cut-off events. For 82082/82082 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 2338 event pairs, 0 based on Foata normal form. 0/1346 useless extension candidates. Maximal degree in co-relation 0. Up to 79 conditions per place. [2023-01-28 00:36:11,035 INFO L119 LiptonReduction]: Number of co-enabled transitions 804804 [2023-01-28 00:36:20,355 INFO L134 LiptonReduction]: Checked pairs total: 1233519 [2023-01-28 00:36:20,356 INFO L136 LiptonReduction]: Total number of compositions: 645 [2023-01-28 00:36:20,356 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == InUseError ======== [2023-01-28 00:36:20,357 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;@47cf2852, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-01-28 00:36:20,357 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-01-28 00:36:20,506 INFO L130 PetriNetUnfolder]: 0/469 cut-off events. [2023-01-28 00:36:20,507 INFO L131 PetriNetUnfolder]: For 82082/82082 co-relation queries the response was YES. [2023-01-28 00:36:20,507 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-01-28 00:36:20,507 INFO L208 CegarLoopForPetriNet]: trace histogram [78, 78, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-01-28 00:36:20,507 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-01-28 00:36:20,507 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-01-28 00:36:20,507 INFO L85 PathProgramCache]: Analyzing trace with hash -1353142297, now seen corresponding path program 1 times [2023-01-28 00:36:20,507 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-01-28 00:36:20,507 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1347056864] [2023-01-28 00:36:20,507 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-28 00:36:20,508 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-01-28 00:36:20,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-01-28 00:36:20,606 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-01-28 00:36:20,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-01-28 00:36:20,715 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-01-28 00:36:20,716 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-01-28 00:36:20,716 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 1 remaining) [2023-01-28 00:36:20,716 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable77 [2023-01-28 00:36:20,716 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-01-28 00:36:20,716 INFO L307 ceAbstractionStarter]: Result for error location InUseError was UNSAFE (1/2) [2023-01-28 00:36:20,716 WARN L233 ceAbstractionStarter]: 78 thread instances were not sufficient, I will increase this number and restart the analysis [2023-01-28 00:36:20,716 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 79 thread instances. [2023-01-28 00:36:20,811 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-01-28 00:36:20,815 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 1134 places, 976 transitions, 8509 flow [2023-01-28 00:36:21,893 INFO L130 PetriNetUnfolder]: 80/1922 cut-off events. [2023-01-28 00:36:21,893 INFO L131 PetriNetUnfolder]: For 85241/85241 co-relation queries the response was YES. [2023-01-28 00:36:22,034 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5320 conditions, 1922 events. 80/1922 cut-off events. For 85241/85241 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 4170 event pairs, 0 based on Foata normal form. 0/1683 useless extension candidates. Maximal degree in co-relation 5201. Up to 160 conditions per place. [2023-01-28 00:36:22,035 INFO L82 GeneralOperation]: Start removeDead. Operand has 1134 places, 976 transitions, 8509 flow [2023-01-28 00:36:22,039 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 1129 places, 970 transitions, 8497 flow [2023-01-28 00:36:22,039 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-01-28 00:36:22,039 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 1129 places, 970 transitions, 8497 flow [2023-01-28 00:36:22,039 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 1129 places, 970 transitions, 8497 flow [2023-01-28 00:36:22,039 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 1129 places, 970 transitions, 8497 flow [2023-01-28 00:36:22,948 INFO L130 PetriNetUnfolder]: 0/1442 cut-off events. [2023-01-28 00:36:22,949 INFO L131 PetriNetUnfolder]: For 85241/85241 co-relation queries the response was YES. [2023-01-28 00:36:22,949 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4840 conditions, 1442 events. 0/1442 cut-off events. For 85241/85241 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 2360 event pairs, 0 based on Foata normal form. 0/1363 useless extension candidates. Maximal degree in co-relation 0. Up to 80 conditions per place. [2023-01-28 00:36:23,239 INFO L119 LiptonReduction]: Number of co-enabled transitions 825550 [2023-01-28 00:36:32,743 INFO L134 LiptonReduction]: Checked pairs total: 1299240 [2023-01-28 00:36:32,744 INFO L136 LiptonReduction]: Total number of compositions: 653 [2023-01-28 00:36:32,744 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == InUseError ======== [2023-01-28 00:36:32,745 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;@47cf2852, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-01-28 00:36:32,745 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-01-28 00:36:32,899 INFO L130 PetriNetUnfolder]: 0/475 cut-off events. [2023-01-28 00:36:32,899 INFO L131 PetriNetUnfolder]: For 85241/85241 co-relation queries the response was YES. [2023-01-28 00:36:32,899 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-01-28 00:36:32,899 INFO L208 CegarLoopForPetriNet]: trace histogram [79, 79, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-01-28 00:36:32,899 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-01-28 00:36:32,899 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-01-28 00:36:32,900 INFO L85 PathProgramCache]: Analyzing trace with hash -814537784, now seen corresponding path program 1 times [2023-01-28 00:36:32,900 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-01-28 00:36:32,900 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1342165209] [2023-01-28 00:36:32,900 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-28 00:36:32,900 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-01-28 00:36:33,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-01-28 00:36:33,018 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-01-28 00:36:33,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-01-28 00:36:33,139 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-01-28 00:36:33,140 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-01-28 00:36:33,140 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 1 remaining) [2023-01-28 00:36:33,140 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable78 [2023-01-28 00:36:33,140 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-01-28 00:36:33,140 INFO L307 ceAbstractionStarter]: Result for error location InUseError was UNSAFE (1/2) [2023-01-28 00:36:33,140 WARN L233 ceAbstractionStarter]: 79 thread instances were not sufficient, I will increase this number and restart the analysis [2023-01-28 00:36:33,140 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 80 thread instances. [2023-01-28 00:36:33,238 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-01-28 00:36:33,242 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 1148 places, 988 transitions, 8696 flow [2023-01-28 00:36:34,329 INFO L130 PetriNetUnfolder]: 81/1946 cut-off events. [2023-01-28 00:36:34,329 INFO L131 PetriNetUnfolder]: For 88480/88480 co-relation queries the response was YES. [2023-01-28 00:36:34,455 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5427 conditions, 1946 events. 81/1946 cut-off events. For 88480/88480 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 4220 event pairs, 0 based on Foata normal form. 0/1704 useless extension candidates. Maximal degree in co-relation 5307. Up to 162 conditions per place. [2023-01-28 00:36:34,455 INFO L82 GeneralOperation]: Start removeDead. Operand has 1148 places, 988 transitions, 8696 flow [2023-01-28 00:36:34,459 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 1143 places, 982 transitions, 8684 flow [2023-01-28 00:36:34,459 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-01-28 00:36:34,459 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 1143 places, 982 transitions, 8684 flow [2023-01-28 00:36:34,459 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 1143 places, 982 transitions, 8684 flow [2023-01-28 00:36:34,459 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 1143 places, 982 transitions, 8684 flow [2023-01-28 00:36:35,393 INFO L130 PetriNetUnfolder]: 0/1460 cut-off events. [2023-01-28 00:36:35,393 INFO L131 PetriNetUnfolder]: For 88480/88480 co-relation queries the response was YES. [2023-01-28 00:36:35,393 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4941 conditions, 1460 events. 0/1460 cut-off events. For 88480/88480 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 2394 event pairs, 0 based on Foata normal form. 0/1380 useless extension candidates. Maximal degree in co-relation 0. Up to 81 conditions per place. [2023-01-28 00:36:35,697 INFO L119 LiptonReduction]: Number of co-enabled transitions 846560 [2023-01-28 00:36:45,437 INFO L134 LiptonReduction]: Checked pairs total: 1321416 [2023-01-28 00:36:45,437 INFO L136 LiptonReduction]: Total number of compositions: 661 [2023-01-28 00:36:45,438 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == InUseError ======== [2023-01-28 00:36:45,438 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;@47cf2852, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-01-28 00:36:45,438 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-01-28 00:36:45,600 INFO L130 PetriNetUnfolder]: 0/481 cut-off events. [2023-01-28 00:36:45,600 INFO L131 PetriNetUnfolder]: For 88480/88480 co-relation queries the response was YES. [2023-01-28 00:36:45,601 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-01-28 00:36:45,601 INFO L208 CegarLoopForPetriNet]: trace histogram [80, 80, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-01-28 00:36:45,601 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-01-28 00:36:45,601 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-01-28 00:36:45,601 INFO L85 PathProgramCache]: Analyzing trace with hash 663537172, now seen corresponding path program 1 times [2023-01-28 00:36:45,601 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-01-28 00:36:45,601 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [26233090] [2023-01-28 00:36:45,601 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-28 00:36:45,601 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-01-28 00:36:45,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-01-28 00:36:45,725 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-01-28 00:36:45,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-01-28 00:36:45,841 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-01-28 00:36:45,842 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-01-28 00:36:45,842 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 1 remaining) [2023-01-28 00:36:45,842 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable79 [2023-01-28 00:36:45,842 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-01-28 00:36:45,842 INFO L307 ceAbstractionStarter]: Result for error location InUseError was UNSAFE (1/2) [2023-01-28 00:36:45,842 WARN L233 ceAbstractionStarter]: 80 thread instances were not sufficient, I will increase this number and restart the analysis [2023-01-28 00:36:45,842 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 81 thread instances. [2023-01-28 00:36:45,943 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-01-28 00:36:45,947 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 1162 places, 1000 transitions, 8885 flow [2023-01-28 00:36:47,095 INFO L130 PetriNetUnfolder]: 82/1970 cut-off events. [2023-01-28 00:36:47,095 INFO L131 PetriNetUnfolder]: For 91800/91800 co-relation queries the response was YES. [2023-01-28 00:36:47,241 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5535 conditions, 1970 events. 82/1970 cut-off events. For 91800/91800 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 4291 event pairs, 0 based on Foata normal form. 0/1725 useless extension candidates. Maximal degree in co-relation 5414. Up to 164 conditions per place. [2023-01-28 00:36:47,241 INFO L82 GeneralOperation]: Start removeDead. Operand has 1162 places, 1000 transitions, 8885 flow [2023-01-28 00:36:47,245 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 1157 places, 994 transitions, 8873 flow [2023-01-28 00:36:47,245 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-01-28 00:36:47,246 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 1157 places, 994 transitions, 8873 flow [2023-01-28 00:36:47,246 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 1157 places, 994 transitions, 8873 flow [2023-01-28 00:36:47,246 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 1157 places, 994 transitions, 8873 flow [2023-01-28 00:36:48,149 INFO L130 PetriNetUnfolder]: 0/1478 cut-off events. [2023-01-28 00:36:48,149 INFO L131 PetriNetUnfolder]: For 91800/91800 co-relation queries the response was YES. [2023-01-28 00:36:48,150 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5043 conditions, 1478 events. 0/1478 cut-off events. For 91800/91800 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 2433 event pairs, 0 based on Foata normal form. 0/1397 useless extension candidates. Maximal degree in co-relation 0. Up to 82 conditions per place. [2023-01-28 00:36:48,469 INFO L119 LiptonReduction]: Number of co-enabled transitions 867834 [2023-01-28 00:36:58,392 INFO L134 LiptonReduction]: Checked pairs total: 1382825 [2023-01-28 00:36:58,392 INFO L136 LiptonReduction]: Total number of compositions: 669 [2023-01-28 00:36:58,393 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == InUseError ======== [2023-01-28 00:36:58,393 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;@47cf2852, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-01-28 00:36:58,393 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-01-28 00:36:58,553 INFO L130 PetriNetUnfolder]: 0/487 cut-off events. [2023-01-28 00:36:58,553 INFO L131 PetriNetUnfolder]: For 91800/91800 co-relation queries the response was YES. [2023-01-28 00:36:58,553 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-01-28 00:36:58,553 INFO L208 CegarLoopForPetriNet]: trace histogram [81, 81, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-01-28 00:36:58,553 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-01-28 00:36:58,554 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-01-28 00:36:58,554 INFO L85 PathProgramCache]: Analyzing trace with hash 1447674805, now seen corresponding path program 1 times [2023-01-28 00:36:58,554 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-01-28 00:36:58,554 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1326786275] [2023-01-28 00:36:58,554 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-28 00:36:58,554 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-01-28 00:36:58,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-01-28 00:36:58,695 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-01-28 00:36:58,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-01-28 00:36:58,810 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-01-28 00:36:58,810 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-01-28 00:36:58,810 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 1 remaining) [2023-01-28 00:36:58,810 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable80 [2023-01-28 00:36:58,810 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-01-28 00:36:58,810 INFO L307 ceAbstractionStarter]: Result for error location InUseError was UNSAFE (1/2) [2023-01-28 00:36:58,810 WARN L233 ceAbstractionStarter]: 81 thread instances were not sufficient, I will increase this number and restart the analysis [2023-01-28 00:36:58,810 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 82 thread instances. [2023-01-28 00:36:58,911 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-01-28 00:36:58,915 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 1176 places, 1012 transitions, 9076 flow [2023-01-28 00:37:00,098 INFO L130 PetriNetUnfolder]: 83/1994 cut-off events. [2023-01-28 00:37:00,098 INFO L131 PetriNetUnfolder]: For 95202/95202 co-relation queries the response was YES. [2023-01-28 00:37:00,252 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5644 conditions, 1994 events. 83/1994 cut-off events. For 95202/95202 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 4324 event pairs, 0 based on Foata normal form. 0/1746 useless extension candidates. Maximal degree in co-relation 5522. Up to 166 conditions per place. [2023-01-28 00:37:00,252 INFO L82 GeneralOperation]: Start removeDead. Operand has 1176 places, 1012 transitions, 9076 flow [2023-01-28 00:37:00,257 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 1171 places, 1006 transitions, 9064 flow [2023-01-28 00:37:00,257 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-01-28 00:37:00,257 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 1171 places, 1006 transitions, 9064 flow [2023-01-28 00:37:00,257 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 1171 places, 1006 transitions, 9064 flow [2023-01-28 00:37:00,257 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 1171 places, 1006 transitions, 9064 flow [2023-01-28 00:37:01,138 INFO L130 PetriNetUnfolder]: 0/1496 cut-off events. [2023-01-28 00:37:01,138 INFO L131 PetriNetUnfolder]: For 95202/95202 co-relation queries the response was YES. [2023-01-28 00:37:01,138 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5146 conditions, 1496 events. 0/1496 cut-off events. For 95202/95202 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 2439 event pairs, 0 based on Foata normal form. 0/1414 useless extension candidates. Maximal degree in co-relation 0. Up to 83 conditions per place. [2023-01-28 00:37:01,485 INFO L119 LiptonReduction]: Number of co-enabled transitions 889372 [2023-01-28 00:37:11,425 INFO L134 LiptonReduction]: Checked pairs total: 1390165 [2023-01-28 00:37:11,426 INFO L136 LiptonReduction]: Total number of compositions: 677 [2023-01-28 00:37:11,426 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == InUseError ======== [2023-01-28 00:37:11,427 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;@47cf2852, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-01-28 00:37:11,427 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-01-28 00:37:11,593 INFO L130 PetriNetUnfolder]: 0/493 cut-off events. [2023-01-28 00:37:11,593 INFO L131 PetriNetUnfolder]: For 95202/95202 co-relation queries the response was YES. [2023-01-28 00:37:11,593 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-01-28 00:37:11,593 INFO L208 CegarLoopForPetriNet]: trace histogram [82, 82, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-01-28 00:37:11,594 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-01-28 00:37:11,594 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-01-28 00:37:11,594 INFO L85 PathProgramCache]: Analyzing trace with hash 870918465, now seen corresponding path program 1 times [2023-01-28 00:37:11,594 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-01-28 00:37:11,594 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2078932207] [2023-01-28 00:37:11,594 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-28 00:37:11,594 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-01-28 00:37:11,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-01-28 00:37:11,725 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-01-28 00:37:11,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-01-28 00:37:11,843 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-01-28 00:37:11,844 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-01-28 00:37:11,844 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 1 remaining) [2023-01-28 00:37:11,844 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable81 [2023-01-28 00:37:11,844 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-01-28 00:37:11,844 INFO L307 ceAbstractionStarter]: Result for error location InUseError was UNSAFE (1/2) [2023-01-28 00:37:11,844 WARN L233 ceAbstractionStarter]: 82 thread instances were not sufficient, I will increase this number and restart the analysis [2023-01-28 00:37:11,844 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 83 thread instances. [2023-01-28 00:37:11,954 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-01-28 00:37:11,958 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 1190 places, 1024 transitions, 9269 flow [2023-01-28 00:37:13,309 INFO L130 PetriNetUnfolder]: 84/2018 cut-off events. [2023-01-28 00:37:13,309 INFO L131 PetriNetUnfolder]: For 98687/98687 co-relation queries the response was YES. [2023-01-28 00:37:13,419 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5754 conditions, 2018 events. 84/2018 cut-off events. For 98687/98687 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 4353 event pairs, 0 based on Foata normal form. 0/1767 useless extension candidates. Maximal degree in co-relation 5631. Up to 168 conditions per place. [2023-01-28 00:37:13,419 INFO L82 GeneralOperation]: Start removeDead. Operand has 1190 places, 1024 transitions, 9269 flow [2023-01-28 00:37:13,423 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 1185 places, 1018 transitions, 9257 flow [2023-01-28 00:37:13,423 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-01-28 00:37:13,423 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 1185 places, 1018 transitions, 9257 flow [2023-01-28 00:37:13,423 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 1185 places, 1018 transitions, 9257 flow [2023-01-28 00:37:13,423 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 1185 places, 1018 transitions, 9257 flow [2023-01-28 00:37:14,534 INFO L130 PetriNetUnfolder]: 0/1514 cut-off events. [2023-01-28 00:37:14,534 INFO L131 PetriNetUnfolder]: For 98687/98687 co-relation queries the response was YES. [2023-01-28 00:37:14,534 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5250 conditions, 1514 events. 0/1514 cut-off events. For 98687/98687 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 2465 event pairs, 0 based on Foata normal form. 0/1431 useless extension candidates. Maximal degree in co-relation 0. Up to 84 conditions per place. [2023-01-28 00:37:14,996 INFO L119 LiptonReduction]: Number of co-enabled transitions 911174 [2023-01-28 00:37:25,630 INFO L134 LiptonReduction]: Checked pairs total: 1373891 [2023-01-28 00:37:25,630 INFO L136 LiptonReduction]: Total number of compositions: 685 [2023-01-28 00:37:25,631 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == InUseError ======== [2023-01-28 00:37:25,631 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;@47cf2852, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-01-28 00:37:25,631 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-01-28 00:37:25,885 INFO L130 PetriNetUnfolder]: 0/499 cut-off events. [2023-01-28 00:37:25,885 INFO L131 PetriNetUnfolder]: For 98687/98687 co-relation queries the response was YES. [2023-01-28 00:37:25,885 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-01-28 00:37:25,885 INFO L208 CegarLoopForPetriNet]: trace histogram [83, 83, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-01-28 00:37:25,885 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-01-28 00:37:25,886 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-01-28 00:37:25,886 INFO L85 PathProgramCache]: Analyzing trace with hash -737709211, now seen corresponding path program 1 times [2023-01-28 00:37:25,886 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-01-28 00:37:25,886 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1060501058] [2023-01-28 00:37:25,886 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-28 00:37:25,887 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-01-28 00:37:26,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-01-28 00:37:26,002 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-01-28 00:37:26,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-01-28 00:37:26,163 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-01-28 00:37:26,163 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-01-28 00:37:26,164 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 1 remaining) [2023-01-28 00:37:26,164 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable82 [2023-01-28 00:37:26,164 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-01-28 00:37:26,164 INFO L307 ceAbstractionStarter]: Result for error location InUseError was UNSAFE (1/2) [2023-01-28 00:37:26,164 WARN L233 ceAbstractionStarter]: 83 thread instances were not sufficient, I will increase this number and restart the analysis [2023-01-28 00:37:26,164 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 84 thread instances. [2023-01-28 00:37:26,257 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-01-28 00:37:26,261 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 1204 places, 1036 transitions, 9464 flow [2023-01-28 00:37:27,672 INFO L130 PetriNetUnfolder]: 85/2042 cut-off events. [2023-01-28 00:37:27,672 INFO L131 PetriNetUnfolder]: For 102256/102256 co-relation queries the response was YES. [2023-01-28 00:37:27,777 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5865 conditions, 2042 events. 85/2042 cut-off events. For 102256/102256 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 4435 event pairs, 0 based on Foata normal form. 0/1788 useless extension candidates. Maximal degree in co-relation 5741. Up to 170 conditions per place. [2023-01-28 00:37:27,778 INFO L82 GeneralOperation]: Start removeDead. Operand has 1204 places, 1036 transitions, 9464 flow [2023-01-28 00:37:27,782 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 1199 places, 1030 transitions, 9452 flow [2023-01-28 00:37:27,782 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-01-28 00:37:27,782 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 1199 places, 1030 transitions, 9452 flow [2023-01-28 00:37:27,782 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 1199 places, 1030 transitions, 9452 flow [2023-01-28 00:37:27,782 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 1199 places, 1030 transitions, 9452 flow [2023-01-28 00:37:28,801 INFO L130 PetriNetUnfolder]: 0/1532 cut-off events. [2023-01-28 00:37:28,801 INFO L131 PetriNetUnfolder]: For 102256/102256 co-relation queries the response was YES. [2023-01-28 00:37:28,802 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5355 conditions, 1532 events. 0/1532 cut-off events. For 102256/102256 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 2515 event pairs, 0 based on Foata normal form. 0/1448 useless extension candidates. Maximal degree in co-relation 0. Up to 85 conditions per place. [2023-01-28 00:37:29,284 INFO L119 LiptonReduction]: Number of co-enabled transitions 933240 [2023-01-28 00:37:39,517 INFO L134 LiptonReduction]: Checked pairs total: 1473810 [2023-01-28 00:37:39,517 INFO L136 LiptonReduction]: Total number of compositions: 693 [2023-01-28 00:37:39,518 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == InUseError ======== [2023-01-28 00:37:39,518 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;@47cf2852, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-01-28 00:37:39,518 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-01-28 00:37:39,696 INFO L130 PetriNetUnfolder]: 0/505 cut-off events. [2023-01-28 00:37:39,696 INFO L131 PetriNetUnfolder]: For 102256/102256 co-relation queries the response was YES. [2023-01-28 00:37:39,696 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-01-28 00:37:39,696 INFO L208 CegarLoopForPetriNet]: trace histogram [84, 84, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-01-28 00:37:39,696 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-01-28 00:37:39,696 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-01-28 00:37:39,696 INFO L85 PathProgramCache]: Analyzing trace with hash 2070230062, now seen corresponding path program 1 times [2023-01-28 00:37:39,697 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-01-28 00:37:39,697 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2041527223] [2023-01-28 00:37:39,697 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-28 00:37:39,697 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-01-28 00:37:39,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-01-28 00:37:39,836 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-01-28 00:37:39,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-01-28 00:37:39,972 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-01-28 00:37:39,972 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-01-28 00:37:39,972 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 1 remaining) [2023-01-28 00:37:39,972 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable83 [2023-01-28 00:37:39,972 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-01-28 00:37:39,972 INFO L307 ceAbstractionStarter]: Result for error location InUseError was UNSAFE (1/2) [2023-01-28 00:37:39,973 WARN L233 ceAbstractionStarter]: 84 thread instances were not sufficient, I will increase this number and restart the analysis [2023-01-28 00:37:39,973 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 85 thread instances. [2023-01-28 00:37:40,077 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-01-28 00:37:40,081 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 1218 places, 1048 transitions, 9661 flow [2023-01-28 00:37:41,570 INFO L130 PetriNetUnfolder]: 86/2066 cut-off events. [2023-01-28 00:37:41,570 INFO L131 PetriNetUnfolder]: For 105910/105910 co-relation queries the response was YES. [2023-01-28 00:37:41,685 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5977 conditions, 2066 events. 86/2066 cut-off events. For 105910/105910 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 4487 event pairs, 0 based on Foata normal form. 0/1809 useless extension candidates. Maximal degree in co-relation 5852. Up to 172 conditions per place. [2023-01-28 00:37:41,685 INFO L82 GeneralOperation]: Start removeDead. Operand has 1218 places, 1048 transitions, 9661 flow [2023-01-28 00:37:41,690 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 1213 places, 1042 transitions, 9649 flow [2023-01-28 00:37:41,690 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-01-28 00:37:41,690 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 1213 places, 1042 transitions, 9649 flow [2023-01-28 00:37:41,690 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 1213 places, 1042 transitions, 9649 flow [2023-01-28 00:37:41,690 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 1213 places, 1042 transitions, 9649 flow [2023-01-28 00:37:42,759 INFO L130 PetriNetUnfolder]: 0/1550 cut-off events. [2023-01-28 00:37:42,760 INFO L131 PetriNetUnfolder]: For 105910/105910 co-relation queries the response was YES. [2023-01-28 00:37:42,760 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5461 conditions, 1550 events. 0/1550 cut-off events. For 105910/105910 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 2531 event pairs, 0 based on Foata normal form. 0/1465 useless extension candidates. Maximal degree in co-relation 0. Up to 86 conditions per place. [2023-01-28 00:37:43,216 INFO L119 LiptonReduction]: Number of co-enabled transitions 955570 [2023-01-28 00:37:53,697 INFO L134 LiptonReduction]: Checked pairs total: 1469183 [2023-01-28 00:37:53,697 INFO L136 LiptonReduction]: Total number of compositions: 701 [2023-01-28 00:37:53,698 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == InUseError ======== [2023-01-28 00:37:53,698 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;@47cf2852, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-01-28 00:37:53,698 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-01-28 00:37:53,880 INFO L130 PetriNetUnfolder]: 0/511 cut-off events. [2023-01-28 00:37:53,881 INFO L131 PetriNetUnfolder]: For 105910/105910 co-relation queries the response was YES. [2023-01-28 00:37:53,881 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-01-28 00:37:53,881 INFO L208 CegarLoopForPetriNet]: trace histogram [85, 85, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-01-28 00:37:53,881 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-01-28 00:37:53,881 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-01-28 00:37:53,881 INFO L85 PathProgramCache]: Analyzing trace with hash 1805524723, now seen corresponding path program 1 times [2023-01-28 00:37:53,881 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-01-28 00:37:53,881 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1897449294] [2023-01-28 00:37:53,881 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-28 00:37:53,881 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-01-28 00:37:54,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-01-28 00:37:54,007 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-01-28 00:37:54,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-01-28 00:37:54,155 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-01-28 00:37:54,156 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-01-28 00:37:54,156 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 1 remaining) [2023-01-28 00:37:54,156 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable84 [2023-01-28 00:37:54,156 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-01-28 00:37:54,156 INFO L307 ceAbstractionStarter]: Result for error location InUseError was UNSAFE (1/2) [2023-01-28 00:37:54,156 WARN L233 ceAbstractionStarter]: 85 thread instances were not sufficient, I will increase this number and restart the analysis [2023-01-28 00:37:54,156 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 86 thread instances. [2023-01-28 00:37:54,261 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-01-28 00:37:54,266 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 1232 places, 1060 transitions, 9860 flow [2023-01-28 00:37:55,742 INFO L130 PetriNetUnfolder]: 87/2090 cut-off events. [2023-01-28 00:37:55,743 INFO L131 PetriNetUnfolder]: For 109650/109650 co-relation queries the response was YES. [2023-01-28 00:37:55,860 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6090 conditions, 2090 events. 87/2090 cut-off events. For 109650/109650 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 4489 event pairs, 0 based on Foata normal form. 0/1830 useless extension candidates. Maximal degree in co-relation 5964. Up to 174 conditions per place. [2023-01-28 00:37:55,860 INFO L82 GeneralOperation]: Start removeDead. Operand has 1232 places, 1060 transitions, 9860 flow [2023-01-28 00:37:55,865 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 1227 places, 1054 transitions, 9848 flow [2023-01-28 00:37:55,865 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-01-28 00:37:55,865 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 1227 places, 1054 transitions, 9848 flow [2023-01-28 00:37:55,865 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 1227 places, 1054 transitions, 9848 flow [2023-01-28 00:37:55,865 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 1227 places, 1054 transitions, 9848 flow [2023-01-28 00:37:57,011 INFO L130 PetriNetUnfolder]: 0/1568 cut-off events. [2023-01-28 00:37:57,012 INFO L131 PetriNetUnfolder]: For 109650/109650 co-relation queries the response was YES. [2023-01-28 00:37:57,012 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5568 conditions, 1568 events. 0/1568 cut-off events. For 109650/109650 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 2536 event pairs, 0 based on Foata normal form. 0/1482 useless extension candidates. Maximal degree in co-relation 0. Up to 87 conditions per place. [2023-01-28 00:37:57,432 INFO L119 LiptonReduction]: Number of co-enabled transitions 978164 [2023-01-28 00:38:07,982 INFO L134 LiptonReduction]: Checked pairs total: 1550368 [2023-01-28 00:38:07,982 INFO L136 LiptonReduction]: Total number of compositions: 709 [2023-01-28 00:38:07,983 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == InUseError ======== [2023-01-28 00:38:07,983 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;@47cf2852, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-01-28 00:38:07,983 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-01-28 00:38:08,200 INFO L130 PetriNetUnfolder]: 0/517 cut-off events. [2023-01-28 00:38:08,200 INFO L131 PetriNetUnfolder]: For 109650/109650 co-relation queries the response was YES. [2023-01-28 00:38:08,200 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-01-28 00:38:08,200 INFO L208 CegarLoopForPetriNet]: trace histogram [86, 86, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-01-28 00:38:08,200 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-01-28 00:38:08,201 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-01-28 00:38:08,201 INFO L85 PathProgramCache]: Analyzing trace with hash 950842651, now seen corresponding path program 1 times [2023-01-28 00:38:08,201 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-01-28 00:38:08,201 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [884781121] [2023-01-28 00:38:08,201 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-28 00:38:08,201 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-01-28 00:38:08,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-01-28 00:38:08,321 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-01-28 00:38:08,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-01-28 00:38:08,470 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-01-28 00:38:08,470 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-01-28 00:38:08,470 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 1 remaining) [2023-01-28 00:38:08,471 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable85 [2023-01-28 00:38:08,471 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-01-28 00:38:08,471 INFO L307 ceAbstractionStarter]: Result for error location InUseError was UNSAFE (1/2) [2023-01-28 00:38:08,471 WARN L233 ceAbstractionStarter]: 86 thread instances were not sufficient, I will increase this number and restart the analysis [2023-01-28 00:38:08,471 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 87 thread instances. [2023-01-28 00:38:08,584 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-01-28 00:38:08,589 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 1246 places, 1072 transitions, 10061 flow [2023-01-28 00:38:10,120 INFO L130 PetriNetUnfolder]: 88/2114 cut-off events. [2023-01-28 00:38:10,121 INFO L131 PetriNetUnfolder]: For 113477/113477 co-relation queries the response was YES. [2023-01-28 00:38:10,245 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6204 conditions, 2114 events. 88/2114 cut-off events. For 113477/113477 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 4587 event pairs, 0 based on Foata normal form. 0/1851 useless extension candidates. Maximal degree in co-relation 6077. Up to 176 conditions per place. [2023-01-28 00:38:10,246 INFO L82 GeneralOperation]: Start removeDead. Operand has 1246 places, 1072 transitions, 10061 flow [2023-01-28 00:38:10,250 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 1241 places, 1066 transitions, 10049 flow [2023-01-28 00:38:10,250 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-01-28 00:38:10,250 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 1241 places, 1066 transitions, 10049 flow [2023-01-28 00:38:10,250 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 1241 places, 1066 transitions, 10049 flow [2023-01-28 00:38:10,250 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 1241 places, 1066 transitions, 10049 flow [2023-01-28 00:38:11,417 INFO L130 PetriNetUnfolder]: 0/1586 cut-off events. [2023-01-28 00:38:11,417 INFO L131 PetriNetUnfolder]: For 113477/113477 co-relation queries the response was YES. [2023-01-28 00:38:11,418 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5676 conditions, 1586 events. 0/1586 cut-off events. For 113477/113477 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 2591 event pairs, 0 based on Foata normal form. 0/1499 useless extension candidates. Maximal degree in co-relation 0. Up to 88 conditions per place. [2023-01-28 00:38:11,894 INFO L119 LiptonReduction]: Number of co-enabled transitions 1001022 [2023-01-28 00:38:22,595 INFO L134 LiptonReduction]: Checked pairs total: 1575663 [2023-01-28 00:38:22,595 INFO L136 LiptonReduction]: Total number of compositions: 717 [2023-01-28 00:38:22,596 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == InUseError ======== [2023-01-28 00:38:22,596 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;@47cf2852, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-01-28 00:38:22,596 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-01-28 00:38:22,790 INFO L130 PetriNetUnfolder]: 0/523 cut-off events. [2023-01-28 00:38:22,790 INFO L131 PetriNetUnfolder]: For 113477/113477 co-relation queries the response was YES. [2023-01-28 00:38:22,791 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-01-28 00:38:22,791 INFO L208 CegarLoopForPetriNet]: trace histogram [87, 87, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-01-28 00:38:22,791 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-01-28 00:38:22,791 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-01-28 00:38:22,791 INFO L85 PathProgramCache]: Analyzing trace with hash 1400971486, now seen corresponding path program 1 times [2023-01-28 00:38:22,791 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-01-28 00:38:22,791 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [598352281] [2023-01-28 00:38:22,791 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-28 00:38:22,791 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-01-28 00:38:22,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-01-28 00:38:22,936 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-01-28 00:38:22,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-01-28 00:38:23,084 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-01-28 00:38:23,084 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-01-28 00:38:23,085 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 1 remaining) [2023-01-28 00:38:23,085 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable86 [2023-01-28 00:38:23,085 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-01-28 00:38:23,085 INFO L307 ceAbstractionStarter]: Result for error location InUseError was UNSAFE (1/2) [2023-01-28 00:38:23,085 WARN L233 ceAbstractionStarter]: 87 thread instances were not sufficient, I will increase this number and restart the analysis [2023-01-28 00:38:23,085 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 88 thread instances. [2023-01-28 00:38:23,192 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-01-28 00:38:23,197 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 1260 places, 1084 transitions, 10264 flow [2023-01-28 00:38:24,749 INFO L130 PetriNetUnfolder]: 89/2138 cut-off events. [2023-01-28 00:38:24,749 INFO L131 PetriNetUnfolder]: For 117392/117392 co-relation queries the response was YES. [2023-01-28 00:38:24,870 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6319 conditions, 2138 events. 89/2138 cut-off events. For 117392/117392 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 4630 event pairs, 0 based on Foata normal form. 0/1872 useless extension candidates. Maximal degree in co-relation 6191. Up to 178 conditions per place. [2023-01-28 00:38:24,870 INFO L82 GeneralOperation]: Start removeDead. Operand has 1260 places, 1084 transitions, 10264 flow [2023-01-28 00:38:24,875 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 1255 places, 1078 transitions, 10252 flow [2023-01-28 00:38:24,875 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-01-28 00:38:24,875 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 1255 places, 1078 transitions, 10252 flow [2023-01-28 00:38:24,875 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 1255 places, 1078 transitions, 10252 flow [2023-01-28 00:38:24,875 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 1255 places, 1078 transitions, 10252 flow [2023-01-28 00:38:26,136 INFO L130 PetriNetUnfolder]: 0/1604 cut-off events. [2023-01-28 00:38:26,136 INFO L131 PetriNetUnfolder]: For 117392/117392 co-relation queries the response was YES. [2023-01-28 00:38:26,137 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5785 conditions, 1604 events. 0/1604 cut-off events. For 117392/117392 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 2627 event pairs, 0 based on Foata normal form. 0/1516 useless extension candidates. Maximal degree in co-relation 0. Up to 89 conditions per place. [2023-01-28 00:38:26,722 INFO L119 LiptonReduction]: Number of co-enabled transitions 1024144 [2023-01-28 00:38:37,567 INFO L134 LiptonReduction]: Checked pairs total: 1604753 [2023-01-28 00:38:37,567 INFO L136 LiptonReduction]: Total number of compositions: 725 [2023-01-28 00:38:37,568 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == InUseError ======== [2023-01-28 00:38:37,568 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;@47cf2852, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-01-28 00:38:37,568 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-01-28 00:38:37,763 INFO L130 PetriNetUnfolder]: 0/529 cut-off events. [2023-01-28 00:38:37,763 INFO L131 PetriNetUnfolder]: For 117392/117392 co-relation queries the response was YES. [2023-01-28 00:38:37,763 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-01-28 00:38:37,763 INFO L208 CegarLoopForPetriNet]: trace histogram [88, 88, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-01-28 00:38:37,763 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-01-28 00:38:37,763 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-01-28 00:38:37,764 INFO L85 PathProgramCache]: Analyzing trace with hash -852734008, now seen corresponding path program 1 times [2023-01-28 00:38:37,764 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-01-28 00:38:37,764 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1653449111] [2023-01-28 00:38:37,764 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-28 00:38:37,764 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-01-28 00:38:37,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-01-28 00:38:37,895 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-01-28 00:38:37,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-01-28 00:38:38,075 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-01-28 00:38:38,075 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-01-28 00:38:38,076 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 1 remaining) [2023-01-28 00:38:38,076 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable87 [2023-01-28 00:38:38,076 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-01-28 00:38:38,076 INFO L307 ceAbstractionStarter]: Result for error location InUseError was UNSAFE (1/2) [2023-01-28 00:38:38,076 WARN L233 ceAbstractionStarter]: 88 thread instances were not sufficient, I will increase this number and restart the analysis [2023-01-28 00:38:38,076 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 89 thread instances. [2023-01-28 00:38:38,188 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-01-28 00:38:38,193 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 1274 places, 1096 transitions, 10469 flow [2023-01-28 00:38:39,788 INFO L130 PetriNetUnfolder]: 90/2162 cut-off events. [2023-01-28 00:38:39,788 INFO L131 PetriNetUnfolder]: For 121396/121396 co-relation queries the response was YES. [2023-01-28 00:38:39,912 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6435 conditions, 2162 events. 90/2162 cut-off events. For 121396/121396 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 4675 event pairs, 0 based on Foata normal form. 0/1893 useless extension candidates. Maximal degree in co-relation 6306. Up to 180 conditions per place. [2023-01-28 00:38:39,912 INFO L82 GeneralOperation]: Start removeDead. Operand has 1274 places, 1096 transitions, 10469 flow [2023-01-28 00:38:39,916 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 1269 places, 1090 transitions, 10457 flow [2023-01-28 00:38:39,916 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-01-28 00:38:39,916 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 1269 places, 1090 transitions, 10457 flow [2023-01-28 00:38:39,917 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 1269 places, 1090 transitions, 10457 flow [2023-01-28 00:38:39,917 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 1269 places, 1090 transitions, 10457 flow [2023-01-28 00:38:41,180 INFO L130 PetriNetUnfolder]: 0/1622 cut-off events. [2023-01-28 00:38:41,181 INFO L131 PetriNetUnfolder]: For 121396/121396 co-relation queries the response was YES. [2023-01-28 00:38:41,181 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5895 conditions, 1622 events. 0/1622 cut-off events. For 121396/121396 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 2648 event pairs, 0 based on Foata normal form. 0/1533 useless extension candidates. Maximal degree in co-relation 0. Up to 90 conditions per place. [2023-01-28 00:38:41,766 INFO L119 LiptonReduction]: Number of co-enabled transitions 1047530 [2023-01-28 00:38:52,524 INFO L134 LiptonReduction]: Checked pairs total: 1642278 [2023-01-28 00:38:52,524 INFO L136 LiptonReduction]: Total number of compositions: 733 [2023-01-28 00:38:52,525 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == InUseError ======== [2023-01-28 00:38:52,525 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;@47cf2852, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-01-28 00:38:52,525 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-01-28 00:38:52,726 INFO L130 PetriNetUnfolder]: 0/535 cut-off events. [2023-01-28 00:38:52,726 INFO L131 PetriNetUnfolder]: For 121396/121396 co-relation queries the response was YES. [2023-01-28 00:38:52,726 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-01-28 00:38:52,726 INFO L208 CegarLoopForPetriNet]: trace histogram [89, 89, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-01-28 00:38:52,727 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-01-28 00:38:52,727 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-01-28 00:38:52,727 INFO L85 PathProgramCache]: Analyzing trace with hash 1416254674, now seen corresponding path program 1 times [2023-01-28 00:38:52,727 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-01-28 00:38:52,727 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1142454717] [2023-01-28 00:38:52,727 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-28 00:38:52,727 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-01-28 00:38:52,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-01-28 00:38:52,878 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-01-28 00:38:52,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-01-28 00:38:53,031 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-01-28 00:38:53,031 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-01-28 00:38:53,031 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 1 remaining) [2023-01-28 00:38:53,032 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable88 [2023-01-28 00:38:53,032 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-01-28 00:38:53,032 INFO L307 ceAbstractionStarter]: Result for error location InUseError was UNSAFE (1/2) [2023-01-28 00:38:53,032 WARN L233 ceAbstractionStarter]: 89 thread instances were not sufficient, I will increase this number and restart the analysis [2023-01-28 00:38:53,032 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 90 thread instances. [2023-01-28 00:38:53,143 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-01-28 00:38:53,148 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 1288 places, 1108 transitions, 10676 flow [2023-01-28 00:38:54,815 INFO L130 PetriNetUnfolder]: 91/2186 cut-off events. [2023-01-28 00:38:54,815 INFO L131 PetriNetUnfolder]: For 125490/125490 co-relation queries the response was YES. [2023-01-28 00:38:54,947 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6552 conditions, 2186 events. 91/2186 cut-off events. For 125490/125490 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 4914 event pairs, 0 based on Foata normal form. 0/1914 useless extension candidates. Maximal degree in co-relation 6422. Up to 182 conditions per place. [2023-01-28 00:38:54,947 INFO L82 GeneralOperation]: Start removeDead. Operand has 1288 places, 1108 transitions, 10676 flow [2023-01-28 00:38:54,952 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 1283 places, 1102 transitions, 10664 flow [2023-01-28 00:38:54,952 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-01-28 00:38:54,952 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 1283 places, 1102 transitions, 10664 flow [2023-01-28 00:38:54,952 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 1283 places, 1102 transitions, 10664 flow [2023-01-28 00:38:54,952 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 1283 places, 1102 transitions, 10664 flow [2023-01-28 00:38:56,198 INFO L130 PetriNetUnfolder]: 0/1640 cut-off events. [2023-01-28 00:38:56,198 INFO L131 PetriNetUnfolder]: For 125490/125490 co-relation queries the response was YES. [2023-01-28 00:38:56,198 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6006 conditions, 1640 events. 0/1640 cut-off events. For 125490/125490 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 2664 event pairs, 0 based on Foata normal form. 0/1550 useless extension candidates. Maximal degree in co-relation 0. Up to 91 conditions per place. [2023-01-28 00:38:56,665 INFO L119 LiptonReduction]: Number of co-enabled transitions 1071180 [2023-01-28 00:39:07,587 INFO L134 LiptonReduction]: Checked pairs total: 1650696 [2023-01-28 00:39:07,588 INFO L136 LiptonReduction]: Total number of compositions: 741 [2023-01-28 00:39:07,589 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == InUseError ======== [2023-01-28 00:39:07,589 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;@47cf2852, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-01-28 00:39:07,589 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-01-28 00:39:07,805 INFO L130 PetriNetUnfolder]: 0/541 cut-off events. [2023-01-28 00:39:07,806 INFO L131 PetriNetUnfolder]: For 125490/125490 co-relation queries the response was YES. [2023-01-28 00:39:07,806 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-01-28 00:39:07,806 INFO L208 CegarLoopForPetriNet]: trace histogram [90, 90, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-01-28 00:39:07,806 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-01-28 00:39:07,806 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-01-28 00:39:07,806 INFO L85 PathProgramCache]: Analyzing trace with hash 396202741, now seen corresponding path program 1 times [2023-01-28 00:39:07,806 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-01-28 00:39:07,806 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [585764566] [2023-01-28 00:39:07,806 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-28 00:39:07,806 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-01-28 00:39:07,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-01-28 00:39:07,941 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-01-28 00:39:07,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-01-28 00:39:08,106 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-01-28 00:39:08,106 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-01-28 00:39:08,106 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 1 remaining) [2023-01-28 00:39:08,106 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable89 [2023-01-28 00:39:08,106 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-01-28 00:39:08,107 INFO L307 ceAbstractionStarter]: Result for error location InUseError was UNSAFE (1/2) [2023-01-28 00:39:08,107 WARN L233 ceAbstractionStarter]: 90 thread instances were not sufficient, I will increase this number and restart the analysis [2023-01-28 00:39:08,107 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 91 thread instances. [2023-01-28 00:39:08,217 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-01-28 00:39:08,222 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 1302 places, 1120 transitions, 10885 flow [2023-01-28 00:39:09,948 INFO L130 PetriNetUnfolder]: 92/2210 cut-off events. [2023-01-28 00:39:09,948 INFO L131 PetriNetUnfolder]: For 129675/129675 co-relation queries the response was YES. [2023-01-28 00:39:10,084 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6670 conditions, 2210 events. 92/2210 cut-off events. For 129675/129675 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 4794 event pairs, 0 based on Foata normal form. 0/1935 useless extension candidates. Maximal degree in co-relation 6539. Up to 184 conditions per place. [2023-01-28 00:39:10,084 INFO L82 GeneralOperation]: Start removeDead. Operand has 1302 places, 1120 transitions, 10885 flow [2023-01-28 00:39:10,089 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 1297 places, 1114 transitions, 10873 flow [2023-01-28 00:39:10,089 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-01-28 00:39:10,089 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 1297 places, 1114 transitions, 10873 flow [2023-01-28 00:39:10,089 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 1297 places, 1114 transitions, 10873 flow [2023-01-28 00:39:10,089 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 1297 places, 1114 transitions, 10873 flow [2023-01-28 00:39:11,389 INFO L130 PetriNetUnfolder]: 0/1658 cut-off events. [2023-01-28 00:39:11,390 INFO L131 PetriNetUnfolder]: For 129675/129675 co-relation queries the response was YES. [2023-01-28 00:39:11,390 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6118 conditions, 1658 events. 0/1658 cut-off events. For 129675/129675 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 2724 event pairs, 0 based on Foata normal form. 0/1567 useless extension candidates. Maximal degree in co-relation 0. Up to 92 conditions per place. [2023-01-28 00:39:11,804 INFO L119 LiptonReduction]: Number of co-enabled transitions 1095094 [2023-01-28 00:39:22,884 INFO L134 LiptonReduction]: Checked pairs total: 1731272 [2023-01-28 00:39:22,884 INFO L136 LiptonReduction]: Total number of compositions: 749 [2023-01-28 00:39:22,885 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == InUseError ======== [2023-01-28 00:39:22,885 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;@47cf2852, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-01-28 00:39:22,885 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-01-28 00:39:23,096 INFO L130 PetriNetUnfolder]: 0/547 cut-off events. [2023-01-28 00:39:23,096 INFO L131 PetriNetUnfolder]: For 129675/129675 co-relation queries the response was YES. [2023-01-28 00:39:23,096 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-01-28 00:39:23,096 INFO L208 CegarLoopForPetriNet]: trace histogram [91, 91, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-01-28 00:39:23,096 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-01-28 00:39:23,096 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-01-28 00:39:23,096 INFO L85 PathProgramCache]: Analyzing trace with hash -35298587, now seen corresponding path program 1 times [2023-01-28 00:39:23,097 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-01-28 00:39:23,097 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1626485164] [2023-01-28 00:39:23,097 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-28 00:39:23,097 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-01-28 00:39:23,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-01-28 00:39:23,256 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-01-28 00:39:23,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-01-28 00:39:23,412 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-01-28 00:39:23,412 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-01-28 00:39:23,412 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 1 remaining) [2023-01-28 00:39:23,412 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable90 [2023-01-28 00:39:23,412 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-01-28 00:39:23,412 INFO L307 ceAbstractionStarter]: Result for error location InUseError was UNSAFE (1/2) [2023-01-28 00:39:23,412 WARN L233 ceAbstractionStarter]: 91 thread instances were not sufficient, I will increase this number and restart the analysis [2023-01-28 00:39:23,412 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 92 thread instances. [2023-01-28 00:39:23,531 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-01-28 00:39:23,536 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 1316 places, 1132 transitions, 11096 flow [2023-01-28 00:39:25,376 INFO L130 PetriNetUnfolder]: 93/2234 cut-off events. [2023-01-28 00:39:25,376 INFO L131 PetriNetUnfolder]: For 133952/133952 co-relation queries the response was YES. [2023-01-28 00:39:25,517 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6789 conditions, 2234 events. 93/2234 cut-off events. For 133952/133952 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 4866 event pairs, 0 based on Foata normal form. 0/1956 useless extension candidates. Maximal degree in co-relation 6657. Up to 186 conditions per place. [2023-01-28 00:39:25,518 INFO L82 GeneralOperation]: Start removeDead. Operand has 1316 places, 1132 transitions, 11096 flow [2023-01-28 00:39:25,523 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 1311 places, 1126 transitions, 11084 flow [2023-01-28 00:39:25,523 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-01-28 00:39:25,523 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 1311 places, 1126 transitions, 11084 flow [2023-01-28 00:39:25,523 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 1311 places, 1126 transitions, 11084 flow [2023-01-28 00:39:25,523 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 1311 places, 1126 transitions, 11084 flow [2023-01-28 00:39:26,877 INFO L130 PetriNetUnfolder]: 0/1676 cut-off events. [2023-01-28 00:39:26,877 INFO L131 PetriNetUnfolder]: For 133952/133952 co-relation queries the response was YES. [2023-01-28 00:39:26,877 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6231 conditions, 1676 events. 0/1676 cut-off events. For 133952/133952 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 2758 event pairs, 0 based on Foata normal form. 0/1584 useless extension candidates. Maximal degree in co-relation 0. Up to 93 conditions per place. [2023-01-28 00:39:27,304 INFO L119 LiptonReduction]: Number of co-enabled transitions 1119272 [2023-01-28 00:39:38,979 INFO L134 LiptonReduction]: Checked pairs total: 1771126 [2023-01-28 00:39:38,979 INFO L136 LiptonReduction]: Total number of compositions: 757 [2023-01-28 00:39:38,980 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == InUseError ======== [2023-01-28 00:39:38,980 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;@47cf2852, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-01-28 00:39:38,980 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-01-28 00:39:39,252 INFO L130 PetriNetUnfolder]: 0/553 cut-off events. [2023-01-28 00:39:39,252 INFO L131 PetriNetUnfolder]: For 133952/133952 co-relation queries the response was YES. [2023-01-28 00:39:39,252 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-01-28 00:39:39,252 INFO L208 CegarLoopForPetriNet]: trace histogram [92, 92, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-01-28 00:39:39,252 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-01-28 00:39:39,253 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-01-28 00:39:39,253 INFO L85 PathProgramCache]: Analyzing trace with hash -826592990, now seen corresponding path program 1 times [2023-01-28 00:39:39,253 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-01-28 00:39:39,253 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1470309235] [2023-01-28 00:39:39,253 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-28 00:39:39,253 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-01-28 00:39:39,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-01-28 00:39:39,406 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-01-28 00:39:39,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-01-28 00:39:39,595 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-01-28 00:39:39,595 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-01-28 00:39:39,595 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 1 remaining) [2023-01-28 00:39:39,595 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable91 [2023-01-28 00:39:39,595 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-01-28 00:39:39,596 INFO L307 ceAbstractionStarter]: Result for error location InUseError was UNSAFE (1/2) [2023-01-28 00:39:39,596 WARN L233 ceAbstractionStarter]: 92 thread instances were not sufficient, I will increase this number and restart the analysis [2023-01-28 00:39:39,596 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 93 thread instances. [2023-01-28 00:39:39,698 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-01-28 00:39:39,703 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 1330 places, 1144 transitions, 11309 flow [2023-01-28 00:39:41,544 INFO L130 PetriNetUnfolder]: 94/2258 cut-off events. [2023-01-28 00:39:41,544 INFO L131 PetriNetUnfolder]: For 138322/138322 co-relation queries the response was YES. [2023-01-28 00:39:41,687 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6909 conditions, 2258 events. 94/2258 cut-off events. For 138322/138322 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 4909 event pairs, 0 based on Foata normal form. 0/1977 useless extension candidates. Maximal degree in co-relation 6776. Up to 188 conditions per place. [2023-01-28 00:39:41,688 INFO L82 GeneralOperation]: Start removeDead. Operand has 1330 places, 1144 transitions, 11309 flow [2023-01-28 00:39:41,692 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 1325 places, 1138 transitions, 11297 flow [2023-01-28 00:39:41,692 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-01-28 00:39:41,692 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 1325 places, 1138 transitions, 11297 flow [2023-01-28 00:39:41,693 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 1325 places, 1138 transitions, 11297 flow [2023-01-28 00:39:41,693 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 1325 places, 1138 transitions, 11297 flow [2023-01-28 00:39:43,278 INFO L130 PetriNetUnfolder]: 0/1694 cut-off events. [2023-01-28 00:39:43,278 INFO L131 PetriNetUnfolder]: For 138322/138322 co-relation queries the response was YES. [2023-01-28 00:39:43,278 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6345 conditions, 1694 events. 0/1694 cut-off events. For 138322/138322 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 2773 event pairs, 0 based on Foata normal form. 0/1601 useless extension candidates. Maximal degree in co-relation 0. Up to 94 conditions per place. [2023-01-28 00:39:43,866 INFO L119 LiptonReduction]: Number of co-enabled transitions 1143714 [2023-01-28 00:39:55,443 INFO L134 LiptonReduction]: Checked pairs total: 1740128 [2023-01-28 00:39:55,443 INFO L136 LiptonReduction]: Total number of compositions: 765 [2023-01-28 00:39:55,444 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == InUseError ======== [2023-01-28 00:39:55,444 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;@47cf2852, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-01-28 00:39:55,444 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-01-28 00:39:55,669 INFO L130 PetriNetUnfolder]: 0/559 cut-off events. [2023-01-28 00:39:55,670 INFO L131 PetriNetUnfolder]: For 138322/138322 co-relation queries the response was YES. [2023-01-28 00:39:55,670 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-01-28 00:39:55,670 INFO L208 CegarLoopForPetriNet]: trace histogram [93, 93, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-01-28 00:39:55,670 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-01-28 00:39:55,670 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-01-28 00:39:55,670 INFO L85 PathProgramCache]: Analyzing trace with hash -1421874472, now seen corresponding path program 1 times [2023-01-28 00:39:55,670 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-01-28 00:39:55,670 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [269739133] [2023-01-28 00:39:55,670 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-28 00:39:55,671 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-01-28 00:39:55,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-01-28 00:39:55,802 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-01-28 00:39:55,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-01-28 00:39:55,962 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-01-28 00:39:55,962 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-01-28 00:39:55,962 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 1 remaining) [2023-01-28 00:39:55,963 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable92 [2023-01-28 00:39:55,963 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-01-28 00:39:55,963 INFO L307 ceAbstractionStarter]: Result for error location InUseError was UNSAFE (1/2) [2023-01-28 00:39:55,963 WARN L233 ceAbstractionStarter]: 93 thread instances were not sufficient, I will increase this number and restart the analysis [2023-01-28 00:39:55,963 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 94 thread instances. [2023-01-28 00:39:56,112 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-01-28 00:39:56,117 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 1344 places, 1156 transitions, 11524 flow [2023-01-28 00:39:57,909 INFO L130 PetriNetUnfolder]: 95/2282 cut-off events. [2023-01-28 00:39:57,909 INFO L131 PetriNetUnfolder]: For 142786/142786 co-relation queries the response was YES. [2023-01-28 00:39:58,073 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7030 conditions, 2282 events. 95/2282 cut-off events. For 142786/142786 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 4959 event pairs, 0 based on Foata normal form. 0/1998 useless extension candidates. Maximal degree in co-relation 6896. Up to 190 conditions per place. [2023-01-28 00:39:58,073 INFO L82 GeneralOperation]: Start removeDead. Operand has 1344 places, 1156 transitions, 11524 flow [2023-01-28 00:39:58,078 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 1339 places, 1150 transitions, 11512 flow [2023-01-28 00:39:58,078 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-01-28 00:39:58,079 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 1339 places, 1150 transitions, 11512 flow [2023-01-28 00:39:58,079 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 1339 places, 1150 transitions, 11512 flow [2023-01-28 00:39:58,079 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 1339 places, 1150 transitions, 11512 flow [2023-01-28 00:39:59,706 INFO L130 PetriNetUnfolder]: 0/1712 cut-off events. [2023-01-28 00:39:59,706 INFO L131 PetriNetUnfolder]: For 142786/142786 co-relation queries the response was YES. [2023-01-28 00:39:59,707 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6460 conditions, 1712 events. 0/1712 cut-off events. For 142786/142786 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 2817 event pairs, 0 based on Foata normal form. 0/1618 useless extension candidates. Maximal degree in co-relation 0. Up to 95 conditions per place. [2023-01-28 00:40:00,149 INFO L119 LiptonReduction]: Number of co-enabled transitions 1168420 [2023-01-28 00:40:11,668 INFO L134 LiptonReduction]: Checked pairs total: 1820859 [2023-01-28 00:40:11,668 INFO L136 LiptonReduction]: Total number of compositions: 773 [2023-01-28 00:40:11,669 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == InUseError ======== [2023-01-28 00:40:11,669 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;@47cf2852, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-01-28 00:40:11,669 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-01-28 00:40:11,954 INFO L130 PetriNetUnfolder]: 0/565 cut-off events. [2023-01-28 00:40:11,954 INFO L131 PetriNetUnfolder]: For 142786/142786 co-relation queries the response was YES. [2023-01-28 00:40:11,954 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-01-28 00:40:11,954 INFO L208 CegarLoopForPetriNet]: trace histogram [94, 94, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-01-28 00:40:11,954 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-01-28 00:40:11,955 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-01-28 00:40:11,955 INFO L85 PathProgramCache]: Analyzing trace with hash 1767036143, now seen corresponding path program 1 times [2023-01-28 00:40:11,956 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-01-28 00:40:11,956 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1583784959] [2023-01-28 00:40:11,956 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-28 00:40:11,956 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-01-28 00:40:12,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-01-28 00:40:12,105 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-01-28 00:40:12,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-01-28 00:40:12,274 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-01-28 00:40:12,275 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-01-28 00:40:12,275 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 1 remaining) [2023-01-28 00:40:12,275 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable93 [2023-01-28 00:40:12,275 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-01-28 00:40:12,275 INFO L307 ceAbstractionStarter]: Result for error location InUseError was UNSAFE (1/2) [2023-01-28 00:40:12,275 WARN L233 ceAbstractionStarter]: 94 thread instances were not sufficient, I will increase this number and restart the analysis [2023-01-28 00:40:12,275 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 95 thread instances. [2023-01-28 00:40:12,393 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-01-28 00:40:12,398 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 1358 places, 1168 transitions, 11741 flow [2023-01-28 00:40:14,160 INFO L130 PetriNetUnfolder]: 96/2306 cut-off events. [2023-01-28 00:40:14,160 INFO L131 PetriNetUnfolder]: For 147345/147345 co-relation queries the response was YES. [2023-01-28 00:40:14,318 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7152 conditions, 2306 events. 96/2306 cut-off events. For 147345/147345 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 4994 event pairs, 0 based on Foata normal form. 0/2019 useless extension candidates. Maximal degree in co-relation 7017. Up to 192 conditions per place. [2023-01-28 00:40:14,318 INFO L82 GeneralOperation]: Start removeDead. Operand has 1358 places, 1168 transitions, 11741 flow [2023-01-28 00:40:14,323 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 1353 places, 1162 transitions, 11729 flow [2023-01-28 00:40:14,323 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-01-28 00:40:14,323 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 1353 places, 1162 transitions, 11729 flow [2023-01-28 00:40:14,323 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 1353 places, 1162 transitions, 11729 flow [2023-01-28 00:40:14,323 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 1353 places, 1162 transitions, 11729 flow [2023-01-28 00:40:15,724 INFO L130 PetriNetUnfolder]: 0/1730 cut-off events. [2023-01-28 00:40:15,725 INFO L131 PetriNetUnfolder]: For 147345/147345 co-relation queries the response was YES. [2023-01-28 00:40:15,725 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6576 conditions, 1730 events. 0/1730 cut-off events. For 147345/147345 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 2808 event pairs, 0 based on Foata normal form. 0/1635 useless extension candidates. Maximal degree in co-relation 0. Up to 96 conditions per place. [2023-01-28 00:40:16,294 INFO L119 LiptonReduction]: Number of co-enabled transitions 1193390 [2023-01-28 00:40:28,011 INFO L134 LiptonReduction]: Checked pairs total: 1863117 [2023-01-28 00:40:28,011 INFO L136 LiptonReduction]: Total number of compositions: 781 [2023-01-28 00:40:28,012 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == InUseError ======== [2023-01-28 00:40:28,012 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;@47cf2852, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-01-28 00:40:28,012 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. Received shutdown request... [2023-01-28 00:40:28,197 WARN L619 AbstractCegarLoop]: Verification canceled: while PetriNetUnfolder was constructing finite prefix that currently has 3984 conditions, 487 events (0/486 cut-off events. For 91881/91881 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 522 event pairs, 0 based on Foata normal form. 0/407 useless extension candidates. Maximal degree in co-relation 0. Up to 82 conditions per place.). [2023-01-28 00:40:28,197 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 1 remaining) [2023-01-28 00:40:28,197 INFO L445 BasicCegarLoop]: Path program histogram: [] [2023-01-28 00:40:28,198 INFO L307 ceAbstractionStarter]: Result for error location InUseError was TIMEOUT (1/2) [2023-01-28 00:40:28,199 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 95 thread instances [2023-01-28 00:40:28,199 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-01-28 00:40:28,213 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-01-28 00:40:28,226 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.01 12:40:28 BasicIcfg [2023-01-28 00:40:28,226 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-01-28 00:40:28,227 INFO L158 Benchmark]: Toolchain (without parser) took 700202.55ms. Allocated memory was 348.1MB in the beginning and 8.4GB in the end (delta: 8.1GB). Free memory was 307.2MB in the beginning and 5.7GB in the end (delta: -5.4GB). Peak memory consumption was 3.2GB. Max. memory is 16.0GB. [2023-01-28 00:40:28,227 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 255.9MB. Free memory is still 213.2MB. There was no memory consumed. Max. memory is 16.0GB. [2023-01-28 00:40:28,227 INFO L158 Benchmark]: CACSL2BoogieTranslator took 351.37ms. Allocated memory is still 348.1MB. Free memory was 307.2MB in the beginning and 287.9MB in the end (delta: 19.3MB). Peak memory consumption was 18.9MB. Max. memory is 16.0GB. [2023-01-28 00:40:28,227 INFO L158 Benchmark]: Boogie Procedure Inliner took 39.94ms. Allocated memory is still 348.1MB. Free memory was 287.9MB in the beginning and 286.2MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. [2023-01-28 00:40:28,227 INFO L158 Benchmark]: Boogie Preprocessor took 31.08ms. Allocated memory is still 348.1MB. Free memory was 286.2MB in the beginning and 284.7MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.0GB. [2023-01-28 00:40:28,227 INFO L158 Benchmark]: RCFGBuilder took 273.48ms. Allocated memory is still 348.1MB. Free memory was 284.7MB in the beginning and 272.9MB in the end (delta: 11.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.0GB. [2023-01-28 00:40:28,228 INFO L158 Benchmark]: TraceAbstraction took 699501.76ms. Allocated memory was 348.1MB in the beginning and 8.4GB in the end (delta: 8.1GB). Free memory was 272.2MB in the beginning and 5.7GB in the end (delta: -5.4GB). Peak memory consumption was 3.2GB. Max. memory is 16.0GB. [2023-01-28 00:40:28,228 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09ms. Allocated memory is still 255.9MB. Free memory is still 213.2MB. There was no memory consumed. Max. memory is 16.0GB. * CACSL2BoogieTranslator took 351.37ms. Allocated memory is still 348.1MB. Free memory was 307.2MB in the beginning and 287.9MB in the end (delta: 19.3MB). Peak memory consumption was 18.9MB. Max. memory is 16.0GB. * Boogie Procedure Inliner took 39.94ms. Allocated memory is still 348.1MB. Free memory was 287.9MB in the beginning and 286.2MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. * Boogie Preprocessor took 31.08ms. Allocated memory is still 348.1MB. Free memory was 286.2MB in the beginning and 284.7MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.0GB. * RCFGBuilder took 273.48ms. Allocated memory is still 348.1MB. Free memory was 284.7MB in the beginning and 272.9MB in the end (delta: 11.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.0GB. * TraceAbstraction took 699501.76ms. Allocated memory was 348.1MB in the beginning and 8.4GB in the end (delta: 8.1GB). Free memory was 272.2MB in the beginning and 5.7GB in the end (delta: -5.4GB). Peak memory consumption was 3.2GB. Max. memory is 16.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1.0s, 37 PlacesBefore, 9 PlacesAfterwards, 34 TransitionsBefore, 6 TransitionsAfterwards, 154 CoEnabledTransitionPairs, 5 FixpointIterations, 14 TrivialSequentialCompositions, 15 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 6 ConcurrentYvCompositions, 0 ChoiceCompositions, 35 TotalNumberOfCompositions, 140 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 140, independent: 140, independent conditional: 0, independent unconditional: 140, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 80, independent: 80, independent conditional: 0, independent unconditional: 80, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 140, independent: 60, independent conditional: 0, independent unconditional: 60, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 80, unknown conditional: 0, unknown unconditional: 80] , Statistics on independence cache: Total cache size (in pairs): 2, Positive cache size: 2, Positive conditional cache size: 0, Positive unconditional cache size: 2, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 0.9s, 51 PlacesBefore, 17 PlacesAfterwards, 46 TransitionsBefore, 12 TransitionsAfterwards, 572 CoEnabledTransitionPairs, 6 FixpointIterations, 15 TrivialSequentialCompositions, 17 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 5 ConcurrentYvCompositions, 0 ChoiceCompositions, 37 TotalNumberOfCompositions, 898 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 629, independent: 579, independent conditional: 0, independent unconditional: 579, dependent: 50, dependent conditional: 0, dependent unconditional: 50, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 309, independent: 291, independent conditional: 0, independent unconditional: 291, dependent: 18, dependent conditional: 0, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 629, independent: 288, independent conditional: 0, independent unconditional: 288, dependent: 32, dependent conditional: 0, dependent unconditional: 32, unknown: 309, unknown conditional: 0, unknown unconditional: 309] , Statistics on independence cache: Total cache size (in pairs): 23, Positive cache size: 18, Positive conditional cache size: 0, Positive unconditional cache size: 18, Negative cache size: 5, Negative conditional cache size: 0, Negative unconditional cache size: 5, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 0.9s, 65 PlacesBefore, 23 PlacesAfterwards, 58 TransitionsBefore, 16 TransitionsAfterwards, 1254 CoEnabledTransitionPairs, 5 FixpointIterations, 14 TrivialSequentialCompositions, 25 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 6 ConcurrentYvCompositions, 0 ChoiceCompositions, 45 TotalNumberOfCompositions, 2000 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 1494, independent: 1428, independent conditional: 0, independent unconditional: 1428, dependent: 66, dependent conditional: 0, dependent unconditional: 66, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 676, independent: 646, independent conditional: 0, independent unconditional: 646, dependent: 30, dependent conditional: 0, dependent unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1494, independent: 782, independent conditional: 0, independent unconditional: 782, dependent: 36, dependent conditional: 0, dependent unconditional: 36, unknown: 676, unknown conditional: 0, unknown unconditional: 676] , Statistics on independence cache: Total cache size (in pairs): 53, Positive cache size: 45, Positive conditional cache size: 0, Positive unconditional cache size: 45, Negative cache size: 8, Negative conditional cache size: 0, Negative unconditional cache size: 8, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1.1s, 79 PlacesBefore, 29 PlacesAfterwards, 70 TransitionsBefore, 20 TransitionsAfterwards, 2200 CoEnabledTransitionPairs, 5 FixpointIterations, 14 TrivialSequentialCompositions, 33 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 6 ConcurrentYvCompositions, 0 ChoiceCompositions, 53 TotalNumberOfCompositions, 3509 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 2150, independent: 2069, independent conditional: 0, independent unconditional: 2069, dependent: 81, dependent conditional: 0, dependent unconditional: 81, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 1144, independent: 1104, independent conditional: 0, independent unconditional: 1104, dependent: 40, dependent conditional: 0, dependent unconditional: 40, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 2150, independent: 965, independent conditional: 0, independent unconditional: 965, dependent: 41, dependent conditional: 0, dependent unconditional: 41, unknown: 1144, unknown conditional: 0, unknown unconditional: 1144] , Statistics on independence cache: Total cache size (in pairs): 84, Positive cache size: 73, Positive conditional cache size: 0, Positive unconditional cache size: 73, Negative cache size: 11, Negative conditional cache size: 0, Negative unconditional cache size: 11, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1.1s, 93 PlacesBefore, 35 PlacesAfterwards, 82 TransitionsBefore, 24 TransitionsAfterwards, 3410 CoEnabledTransitionPairs, 5 FixpointIterations, 14 TrivialSequentialCompositions, 41 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 6 ConcurrentYvCompositions, 0 ChoiceCompositions, 61 TotalNumberOfCompositions, 5066 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 3307, independent: 3212, independent conditional: 0, independent unconditional: 3212, dependent: 95, dependent conditional: 0, dependent unconditional: 95, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 1759, independent: 1718, independent conditional: 0, independent unconditional: 1718, dependent: 41, dependent conditional: 0, dependent unconditional: 41, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 3307, independent: 1494, independent conditional: 0, independent unconditional: 1494, dependent: 54, dependent conditional: 0, dependent unconditional: 54, unknown: 1759, unknown conditional: 0, unknown unconditional: 1759] , Statistics on independence cache: Total cache size (in pairs): 103, Positive cache size: 89, Positive conditional cache size: 0, Positive unconditional cache size: 89, Negative cache size: 14, Negative conditional cache size: 0, Negative unconditional cache size: 14, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1.3s, 107 PlacesBefore, 41 PlacesAfterwards, 94 TransitionsBefore, 28 TransitionsAfterwards, 4884 CoEnabledTransitionPairs, 5 FixpointIterations, 15 TrivialSequentialCompositions, 49 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 5 ConcurrentYvCompositions, 0 ChoiceCompositions, 69 TotalNumberOfCompositions, 7171 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 4614, independent: 4503, independent conditional: 0, independent unconditional: 4503, dependent: 111, dependent conditional: 0, dependent unconditional: 111, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 2540, independent: 2493, independent conditional: 0, independent unconditional: 2493, dependent: 47, dependent conditional: 0, dependent unconditional: 47, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 4614, independent: 2010, independent conditional: 0, independent unconditional: 2010, dependent: 64, dependent conditional: 0, dependent unconditional: 64, unknown: 2540, unknown conditional: 0, unknown unconditional: 2540] , Statistics on independence cache: Total cache size (in pairs): 152, Positive cache size: 136, Positive conditional cache size: 0, Positive unconditional cache size: 136, Negative cache size: 16, Negative conditional cache size: 0, Negative unconditional cache size: 16, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1.3s, 121 PlacesBefore, 47 PlacesAfterwards, 106 TransitionsBefore, 32 TransitionsAfterwards, 6622 CoEnabledTransitionPairs, 5 FixpointIterations, 15 TrivialSequentialCompositions, 57 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 5 ConcurrentYvCompositions, 0 ChoiceCompositions, 77 TotalNumberOfCompositions, 11535 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 5949, independent: 5790, independent conditional: 0, independent unconditional: 5790, dependent: 159, dependent conditional: 0, dependent unconditional: 159, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 3355, independent: 3287, independent conditional: 0, independent unconditional: 3287, dependent: 68, dependent conditional: 0, dependent unconditional: 68, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 5949, independent: 2503, independent conditional: 0, independent unconditional: 2503, dependent: 91, dependent conditional: 0, dependent unconditional: 91, unknown: 3355, unknown conditional: 0, unknown unconditional: 3355] , Statistics on independence cache: Total cache size (in pairs): 156, Positive cache size: 136, Positive conditional cache size: 0, Positive unconditional cache size: 136, Negative cache size: 20, Negative conditional cache size: 0, Negative unconditional cache size: 20, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1.4s, 135 PlacesBefore, 53 PlacesAfterwards, 118 TransitionsBefore, 36 TransitionsAfterwards, 8624 CoEnabledTransitionPairs, 5 FixpointIterations, 15 TrivialSequentialCompositions, 65 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 5 ConcurrentYvCompositions, 0 ChoiceCompositions, 85 TotalNumberOfCompositions, 14244 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 8124, independent: 7951, independent conditional: 0, independent unconditional: 7951, dependent: 173, dependent conditional: 0, dependent unconditional: 173, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 4412, independent: 4340, independent conditional: 0, independent unconditional: 4340, dependent: 72, dependent conditional: 0, dependent unconditional: 72, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 8124, independent: 3611, independent conditional: 0, independent unconditional: 3611, dependent: 101, dependent conditional: 0, dependent unconditional: 101, unknown: 4412, unknown conditional: 0, unknown unconditional: 4412] , Statistics on independence cache: Total cache size (in pairs): 273, Positive cache size: 250, Positive conditional cache size: 0, Positive unconditional cache size: 250, Negative cache size: 23, Negative conditional cache size: 0, Negative unconditional cache size: 23, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1.5s, 149 PlacesBefore, 59 PlacesAfterwards, 130 TransitionsBefore, 40 TransitionsAfterwards, 10890 CoEnabledTransitionPairs, 5 FixpointIterations, 15 TrivialSequentialCompositions, 73 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 5 ConcurrentYvCompositions, 0 ChoiceCompositions, 93 TotalNumberOfCompositions, 16636 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 10571, independent: 10396, independent conditional: 0, independent unconditional: 10396, dependent: 175, dependent conditional: 0, dependent unconditional: 175, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 5640, independent: 5561, independent conditional: 0, independent unconditional: 5561, dependent: 79, dependent conditional: 0, dependent unconditional: 79, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 10571, independent: 4835, independent conditional: 0, independent unconditional: 4835, dependent: 96, dependent conditional: 0, dependent unconditional: 96, unknown: 5640, unknown conditional: 0, unknown unconditional: 5640] , Statistics on independence cache: Total cache size (in pairs): 337, Positive cache size: 311, Positive conditional cache size: 0, Positive unconditional cache size: 311, Negative cache size: 26, Negative conditional cache size: 0, Negative unconditional cache size: 26, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1.7s, 163 PlacesBefore, 65 PlacesAfterwards, 142 TransitionsBefore, 44 TransitionsAfterwards, 13420 CoEnabledTransitionPairs, 6 FixpointIterations, 15 TrivialSequentialCompositions, 81 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 5 ConcurrentYvCompositions, 0 ChoiceCompositions, 101 TotalNumberOfCompositions, 23030 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 13909, independent: 13667, independent conditional: 0, independent unconditional: 13667, dependent: 242, dependent conditional: 0, dependent unconditional: 242, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 6816, independent: 6724, independent conditional: 0, independent unconditional: 6724, dependent: 92, dependent conditional: 0, dependent unconditional: 92, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 13909, independent: 6943, independent conditional: 0, independent unconditional: 6943, dependent: 150, dependent conditional: 0, dependent unconditional: 150, unknown: 6816, unknown conditional: 0, unknown unconditional: 6816] , Statistics on independence cache: Total cache size (in pairs): 431, Positive cache size: 402, Positive conditional cache size: 0, Positive unconditional cache size: 402, Negative cache size: 29, Negative conditional cache size: 0, Negative unconditional cache size: 29, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1.8s, 177 PlacesBefore, 71 PlacesAfterwards, 154 TransitionsBefore, 48 TransitionsAfterwards, 16214 CoEnabledTransitionPairs, 6 FixpointIterations, 15 TrivialSequentialCompositions, 89 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 5 ConcurrentYvCompositions, 0 ChoiceCompositions, 109 TotalNumberOfCompositions, 28920 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 14395, independent: 14119, independent conditional: 0, independent unconditional: 14119, dependent: 276, dependent conditional: 0, dependent unconditional: 276, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 8136, independent: 8032, independent conditional: 0, independent unconditional: 8032, dependent: 104, dependent conditional: 0, dependent unconditional: 104, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 14395, independent: 6087, independent conditional: 0, independent unconditional: 6087, dependent: 172, dependent conditional: 0, dependent unconditional: 172, unknown: 8136, unknown conditional: 0, unknown unconditional: 8136] , Statistics on independence cache: Total cache size (in pairs): 394, Positive cache size: 362, Positive conditional cache size: 0, Positive unconditional cache size: 362, Negative cache size: 32, Negative conditional cache size: 0, Negative unconditional cache size: 32, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1.8s, 191 PlacesBefore, 77 PlacesAfterwards, 166 TransitionsBefore, 52 TransitionsAfterwards, 19272 CoEnabledTransitionPairs, 5 FixpointIterations, 15 TrivialSequentialCompositions, 97 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 5 ConcurrentYvCompositions, 0 ChoiceCompositions, 117 TotalNumberOfCompositions, 30445 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 17547, independent: 17305, independent conditional: 0, independent unconditional: 17305, dependent: 242, dependent conditional: 0, dependent unconditional: 242, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 9709, independent: 9599, independent conditional: 0, independent unconditional: 9599, dependent: 110, dependent conditional: 0, dependent unconditional: 110, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 17547, independent: 7706, independent conditional: 0, independent unconditional: 7706, dependent: 132, dependent conditional: 0, dependent unconditional: 132, unknown: 9709, unknown conditional: 0, unknown unconditional: 9709] , Statistics on independence cache: Total cache size (in pairs): 512, Positive cache size: 477, Positive conditional cache size: 0, Positive unconditional cache size: 477, Negative cache size: 35, Negative conditional cache size: 0, Negative unconditional cache size: 35, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2.0s, 205 PlacesBefore, 83 PlacesAfterwards, 178 TransitionsBefore, 56 TransitionsAfterwards, 22594 CoEnabledTransitionPairs, 5 FixpointIterations, 15 TrivialSequentialCompositions, 105 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 5 ConcurrentYvCompositions, 0 ChoiceCompositions, 125 TotalNumberOfCompositions, 34937 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 19658, independent: 19406, independent conditional: 0, independent unconditional: 19406, dependent: 252, dependent conditional: 0, dependent unconditional: 252, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 11280, independent: 11158, independent conditional: 0, independent unconditional: 11158, dependent: 122, dependent conditional: 0, dependent unconditional: 122, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 19658, independent: 8248, independent conditional: 0, independent unconditional: 8248, dependent: 130, dependent conditional: 0, dependent unconditional: 130, unknown: 11280, unknown conditional: 0, unknown unconditional: 11280] , Statistics on independence cache: Total cache size (in pairs): 572, Positive cache size: 534, Positive conditional cache size: 0, Positive unconditional cache size: 534, Negative cache size: 38, Negative conditional cache size: 0, Negative unconditional cache size: 38, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2.0s, 219 PlacesBefore, 89 PlacesAfterwards, 190 TransitionsBefore, 60 TransitionsAfterwards, 26180 CoEnabledTransitionPairs, 5 FixpointIterations, 14 TrivialSequentialCompositions, 113 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 6 ConcurrentYvCompositions, 0 ChoiceCompositions, 133 TotalNumberOfCompositions, 41158 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 24092, independent: 23812, independent conditional: 0, independent unconditional: 23812, dependent: 280, dependent conditional: 0, dependent unconditional: 280, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 13183, independent: 13061, independent conditional: 0, independent unconditional: 13061, dependent: 122, dependent conditional: 0, dependent unconditional: 122, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 24092, independent: 10751, independent conditional: 0, independent unconditional: 10751, dependent: 158, dependent conditional: 0, dependent unconditional: 158, unknown: 13183, unknown conditional: 0, unknown unconditional: 13183] , Statistics on independence cache: Total cache size (in pairs): 782, Positive cache size: 741, Positive conditional cache size: 0, Positive unconditional cache size: 741, Negative cache size: 41, Negative conditional cache size: 0, Negative unconditional cache size: 41, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2.2s, 233 PlacesBefore, 95 PlacesAfterwards, 202 TransitionsBefore, 64 TransitionsAfterwards, 30030 CoEnabledTransitionPairs, 6 FixpointIterations, 15 TrivialSequentialCompositions, 121 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 5 ConcurrentYvCompositions, 0 ChoiceCompositions, 141 TotalNumberOfCompositions, 52732 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 27467, independent: 27094, independent conditional: 0, independent unconditional: 27094, dependent: 373, dependent conditional: 0, dependent unconditional: 373, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 14965, independent: 14805, independent conditional: 0, independent unconditional: 14805, dependent: 160, dependent conditional: 0, dependent unconditional: 160, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 27467, independent: 12289, independent conditional: 0, independent unconditional: 12289, dependent: 213, dependent conditional: 0, dependent unconditional: 213, unknown: 14965, unknown conditional: 0, unknown unconditional: 14965] , Statistics on independence cache: Total cache size (in pairs): 805, Positive cache size: 761, Positive conditional cache size: 0, Positive unconditional cache size: 761, Negative cache size: 44, Negative conditional cache size: 0, Negative unconditional cache size: 44, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2.2s, 247 PlacesBefore, 101 PlacesAfterwards, 214 TransitionsBefore, 68 TransitionsAfterwards, 34144 CoEnabledTransitionPairs, 5 FixpointIterations, 14 TrivialSequentialCompositions, 129 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 6 ConcurrentYvCompositions, 0 ChoiceCompositions, 149 TotalNumberOfCompositions, 56549 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 29952, independent: 29617, independent conditional: 0, independent unconditional: 29617, dependent: 335, dependent conditional: 0, dependent unconditional: 335, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 16873, independent: 16740, independent conditional: 0, independent unconditional: 16740, dependent: 133, dependent conditional: 0, dependent unconditional: 133, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 29952, independent: 12877, independent conditional: 0, independent unconditional: 12877, dependent: 202, dependent conditional: 0, dependent unconditional: 202, unknown: 16873, unknown conditional: 0, unknown unconditional: 16873] , Statistics on independence cache: Total cache size (in pairs): 868, Positive cache size: 821, Positive conditional cache size: 0, Positive unconditional cache size: 821, Negative cache size: 47, Negative conditional cache size: 0, Negative unconditional cache size: 47, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2.4s, 261 PlacesBefore, 107 PlacesAfterwards, 226 TransitionsBefore, 72 TransitionsAfterwards, 38522 CoEnabledTransitionPairs, 5 FixpointIterations, 15 TrivialSequentialCompositions, 137 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 5 ConcurrentYvCompositions, 0 ChoiceCompositions, 157 TotalNumberOfCompositions, 62993 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 33587, independent: 33236, independent conditional: 0, independent unconditional: 33236, dependent: 351, dependent conditional: 0, dependent unconditional: 351, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 18993, independent: 18832, independent conditional: 0, independent unconditional: 18832, dependent: 161, dependent conditional: 0, dependent unconditional: 161, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 33587, independent: 14404, independent conditional: 0, independent unconditional: 14404, dependent: 190, dependent conditional: 0, dependent unconditional: 190, unknown: 18993, unknown conditional: 0, unknown unconditional: 18993] , Statistics on independence cache: Total cache size (in pairs): 892, Positive cache size: 842, Positive conditional cache size: 0, Positive unconditional cache size: 842, Negative cache size: 50, Negative conditional cache size: 0, Negative unconditional cache size: 50, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2.5s, 275 PlacesBefore, 113 PlacesAfterwards, 238 TransitionsBefore, 76 TransitionsAfterwards, 43164 CoEnabledTransitionPairs, 5 FixpointIterations, 14 TrivialSequentialCompositions, 145 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 6 ConcurrentYvCompositions, 0 ChoiceCompositions, 165 TotalNumberOfCompositions, 71139 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 39845, independent: 39468, independent conditional: 0, independent unconditional: 39468, dependent: 377, dependent conditional: 0, dependent unconditional: 377, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 21622, independent: 21446, independent conditional: 0, independent unconditional: 21446, dependent: 176, dependent conditional: 0, dependent unconditional: 176, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 39845, independent: 18022, independent conditional: 0, independent unconditional: 18022, dependent: 201, dependent conditional: 0, dependent unconditional: 201, unknown: 21622, unknown conditional: 0, unknown unconditional: 21622] , Statistics on independence cache: Total cache size (in pairs): 1255, Positive cache size: 1202, Positive conditional cache size: 0, Positive unconditional cache size: 1202, Negative cache size: 53, Negative conditional cache size: 0, Negative unconditional cache size: 53, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2.5s, 289 PlacesBefore, 119 PlacesAfterwards, 250 TransitionsBefore, 80 TransitionsAfterwards, 48070 CoEnabledTransitionPairs, 5 FixpointIterations, 14 TrivialSequentialCompositions, 153 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 6 ConcurrentYvCompositions, 0 ChoiceCompositions, 173 TotalNumberOfCompositions, 77024 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 43383, independent: 43008, independent conditional: 0, independent unconditional: 43008, dependent: 375, dependent conditional: 0, dependent unconditional: 375, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 23898, independent: 23727, independent conditional: 0, independent unconditional: 23727, dependent: 171, dependent conditional: 0, dependent unconditional: 171, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 43383, independent: 19281, independent conditional: 0, independent unconditional: 19281, dependent: 204, dependent conditional: 0, dependent unconditional: 204, unknown: 23898, unknown conditional: 0, unknown unconditional: 23898] , Statistics on independence cache: Total cache size (in pairs): 1390, Positive cache size: 1334, Positive conditional cache size: 0, Positive unconditional cache size: 1334, Negative cache size: 56, Negative conditional cache size: 0, Negative unconditional cache size: 56, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2.7s, 303 PlacesBefore, 125 PlacesAfterwards, 262 TransitionsBefore, 84 TransitionsAfterwards, 53240 CoEnabledTransitionPairs, 5 FixpointIterations, 14 TrivialSequentialCompositions, 161 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 6 ConcurrentYvCompositions, 0 ChoiceCompositions, 181 TotalNumberOfCompositions, 84850 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 47426, independent: 47026, independent conditional: 0, independent unconditional: 47026, dependent: 400, dependent conditional: 0, dependent unconditional: 400, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 26430, independent: 26238, independent conditional: 0, independent unconditional: 26238, dependent: 192, dependent conditional: 0, dependent unconditional: 192, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 47426, independent: 20788, independent conditional: 0, independent unconditional: 20788, dependent: 208, dependent conditional: 0, dependent unconditional: 208, unknown: 26430, unknown conditional: 0, unknown unconditional: 26430] , Statistics on independence cache: Total cache size (in pairs): 1462, Positive cache size: 1403, Positive conditional cache size: 0, Positive unconditional cache size: 1403, Negative cache size: 59, Negative conditional cache size: 0, Negative unconditional cache size: 59, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2.7s, 317 PlacesBefore, 131 PlacesAfterwards, 274 TransitionsBefore, 88 TransitionsAfterwards, 58674 CoEnabledTransitionPairs, 6 FixpointIterations, 14 TrivialSequentialCompositions, 169 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 6 ConcurrentYvCompositions, 0 ChoiceCompositions, 189 TotalNumberOfCompositions, 98430 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 54129, independent: 53637, independent conditional: 0, independent unconditional: 53637, dependent: 492, dependent conditional: 0, dependent unconditional: 492, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 29001, independent: 28811, independent conditional: 0, independent unconditional: 28811, dependent: 190, dependent conditional: 0, dependent unconditional: 190, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 54129, independent: 24826, independent conditional: 0, independent unconditional: 24826, dependent: 302, dependent conditional: 0, dependent unconditional: 302, unknown: 29001, unknown conditional: 0, unknown unconditional: 29001] , Statistics on independence cache: Total cache size (in pairs): 1599, Positive cache size: 1537, Positive conditional cache size: 0, Positive unconditional cache size: 1537, Negative cache size: 62, Negative conditional cache size: 0, Negative unconditional cache size: 62, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 3.0s, 331 PlacesBefore, 137 PlacesAfterwards, 286 TransitionsBefore, 92 TransitionsAfterwards, 64372 CoEnabledTransitionPairs, 5 FixpointIterations, 14 TrivialSequentialCompositions, 177 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 6 ConcurrentYvCompositions, 0 ChoiceCompositions, 197 TotalNumberOfCompositions, 116853 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 55874, independent: 55369, independent conditional: 0, independent unconditional: 55369, dependent: 505, dependent conditional: 0, dependent unconditional: 505, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 31743, independent: 31558, independent conditional: 0, independent unconditional: 31558, dependent: 185, dependent conditional: 0, dependent unconditional: 185, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 55874, independent: 23811, independent conditional: 0, independent unconditional: 23811, dependent: 320, dependent conditional: 0, dependent unconditional: 320, unknown: 31743, unknown conditional: 0, unknown unconditional: 31743] , Statistics on independence cache: Total cache size (in pairs): 1712, Positive cache size: 1647, Positive conditional cache size: 0, Positive unconditional cache size: 1647, Negative cache size: 65, Negative conditional cache size: 0, Negative unconditional cache size: 65, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 3.1s, 345 PlacesBefore, 143 PlacesAfterwards, 298 TransitionsBefore, 96 TransitionsAfterwards, 70334 CoEnabledTransitionPairs, 5 FixpointIterations, 14 TrivialSequentialCompositions, 185 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 6 ConcurrentYvCompositions, 0 ChoiceCompositions, 205 TotalNumberOfCompositions, 111606 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 63580, independent: 63127, independent conditional: 0, independent unconditional: 63127, dependent: 453, dependent conditional: 0, dependent unconditional: 453, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 34937, independent: 34723, independent conditional: 0, independent unconditional: 34723, dependent: 214, dependent conditional: 0, dependent unconditional: 214, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 63580, independent: 28404, independent conditional: 0, independent unconditional: 28404, dependent: 239, dependent conditional: 0, dependent unconditional: 239, unknown: 34937, unknown conditional: 0, unknown unconditional: 34937] , Statistics on independence cache: Total cache size (in pairs): 1861, Positive cache size: 1793, Positive conditional cache size: 0, Positive unconditional cache size: 1793, Negative cache size: 68, Negative conditional cache size: 0, Negative unconditional cache size: 68, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 3.1s, 359 PlacesBefore, 149 PlacesAfterwards, 310 TransitionsBefore, 100 TransitionsAfterwards, 76560 CoEnabledTransitionPairs, 5 FixpointIterations, 15 TrivialSequentialCompositions, 193 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 5 ConcurrentYvCompositions, 0 ChoiceCompositions, 213 TotalNumberOfCompositions, 121083 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 66918, independent: 66434, independent conditional: 0, independent unconditional: 66434, dependent: 484, dependent conditional: 0, dependent unconditional: 484, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 37920, independent: 37710, independent conditional: 0, independent unconditional: 37710, dependent: 210, dependent conditional: 0, dependent unconditional: 210, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 66918, independent: 28724, independent conditional: 0, independent unconditional: 28724, dependent: 274, dependent conditional: 0, dependent unconditional: 274, unknown: 37920, unknown conditional: 0, unknown unconditional: 37920] , Statistics on independence cache: Total cache size (in pairs): 2038, Positive cache size: 1967, Positive conditional cache size: 0, Positive unconditional cache size: 1967, Negative cache size: 71, Negative conditional cache size: 0, Negative unconditional cache size: 71, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 3.3s, 373 PlacesBefore, 155 PlacesAfterwards, 322 TransitionsBefore, 104 TransitionsAfterwards, 83050 CoEnabledTransitionPairs, 5 FixpointIterations, 15 TrivialSequentialCompositions, 201 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 5 ConcurrentYvCompositions, 0 ChoiceCompositions, 221 TotalNumberOfCompositions, 140756 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 73179, independent: 72647, independent conditional: 0, independent unconditional: 72647, dependent: 532, dependent conditional: 0, dependent unconditional: 532, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 41209, independent: 40981, independent conditional: 0, independent unconditional: 40981, dependent: 228, dependent conditional: 0, dependent unconditional: 228, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 73179, independent: 31666, independent conditional: 0, independent unconditional: 31666, dependent: 304, dependent conditional: 0, dependent unconditional: 304, unknown: 41209, unknown conditional: 0, unknown unconditional: 41209] , Statistics on independence cache: Total cache size (in pairs): 2268, Positive cache size: 2194, Positive conditional cache size: 0, Positive unconditional cache size: 2194, Negative cache size: 74, Negative conditional cache size: 0, Negative unconditional cache size: 74, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 3.4s, 387 PlacesBefore, 161 PlacesAfterwards, 334 TransitionsBefore, 108 TransitionsAfterwards, 89804 CoEnabledTransitionPairs, 5 FixpointIterations, 15 TrivialSequentialCompositions, 209 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 5 ConcurrentYvCompositions, 0 ChoiceCompositions, 229 TotalNumberOfCompositions, 149907 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 78765, independent: 78218, independent conditional: 0, independent unconditional: 78218, dependent: 547, dependent conditional: 0, dependent unconditional: 547, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 44434, independent: 44194, independent conditional: 0, independent unconditional: 44194, dependent: 240, dependent conditional: 0, dependent unconditional: 240, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 78765, independent: 34024, independent conditional: 0, independent unconditional: 34024, dependent: 307, dependent conditional: 0, dependent unconditional: 307, unknown: 44434, unknown conditional: 0, unknown unconditional: 44434] , Statistics on independence cache: Total cache size (in pairs): 2461, Positive cache size: 2384, Positive conditional cache size: 0, Positive unconditional cache size: 2384, Negative cache size: 77, Negative conditional cache size: 0, Negative unconditional cache size: 77, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 3.4s, 401 PlacesBefore, 167 PlacesAfterwards, 346 TransitionsBefore, 112 TransitionsAfterwards, 96822 CoEnabledTransitionPairs, 6 FixpointIterations, 14 TrivialSequentialCompositions, 217 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 6 ConcurrentYvCompositions, 0 ChoiceCompositions, 237 TotalNumberOfCompositions, 161554 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 81687, independent: 81061, independent conditional: 0, independent unconditional: 81061, dependent: 626, dependent conditional: 0, dependent unconditional: 626, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 46946, independent: 46681, independent conditional: 0, independent unconditional: 46681, dependent: 265, dependent conditional: 0, dependent unconditional: 265, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 81687, independent: 34380, independent conditional: 0, independent unconditional: 34380, dependent: 361, dependent conditional: 0, dependent unconditional: 361, unknown: 46946, unknown conditional: 0, unknown unconditional: 46946] , Statistics on independence cache: Total cache size (in pairs): 1507, Positive cache size: 1427, Positive conditional cache size: 0, Positive unconditional cache size: 1427, Negative cache size: 80, Negative conditional cache size: 0, Negative unconditional cache size: 80, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 3.6s, 415 PlacesBefore, 173 PlacesAfterwards, 358 TransitionsBefore, 116 TransitionsAfterwards, 104104 CoEnabledTransitionPairs, 5 FixpointIterations, 15 TrivialSequentialCompositions, 225 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 5 ConcurrentYvCompositions, 0 ChoiceCompositions, 245 TotalNumberOfCompositions, 170283 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 91493, independent: 90922, independent conditional: 0, independent unconditional: 90922, dependent: 571, dependent conditional: 0, dependent unconditional: 571, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 51791, independent: 51501, independent conditional: 0, independent unconditional: 51501, dependent: 290, dependent conditional: 0, dependent unconditional: 290, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 91493, independent: 39421, independent conditional: 0, independent unconditional: 39421, dependent: 281, dependent conditional: 0, dependent unconditional: 281, unknown: 51791, unknown conditional: 0, unknown unconditional: 51791] , Statistics on independence cache: Total cache size (in pairs): 2898, Positive cache size: 2815, Positive conditional cache size: 0, Positive unconditional cache size: 2815, Negative cache size: 83, Negative conditional cache size: 0, Negative unconditional cache size: 83, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 3.8s, 429 PlacesBefore, 179 PlacesAfterwards, 370 TransitionsBefore, 120 TransitionsAfterwards, 111650 CoEnabledTransitionPairs, 5 FixpointIterations, 14 TrivialSequentialCompositions, 233 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 6 ConcurrentYvCompositions, 0 ChoiceCompositions, 253 TotalNumberOfCompositions, 175889 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 98830, independent: 98266, independent conditional: 0, independent unconditional: 98266, dependent: 564, dependent conditional: 0, dependent unconditional: 564, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 55069, independent: 54815, independent conditional: 0, independent unconditional: 54815, dependent: 254, dependent conditional: 0, dependent unconditional: 254, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 98830, independent: 43451, independent conditional: 0, independent unconditional: 43451, dependent: 310, dependent conditional: 0, dependent unconditional: 310, unknown: 55069, unknown conditional: 0, unknown unconditional: 55069] , Statistics on independence cache: Total cache size (in pairs): 2723, Positive cache size: 2637, Positive conditional cache size: 0, Positive unconditional cache size: 2637, Negative cache size: 86, Negative conditional cache size: 0, Negative unconditional cache size: 86, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 3.9s, 443 PlacesBefore, 185 PlacesAfterwards, 382 TransitionsBefore, 124 TransitionsAfterwards, 119460 CoEnabledTransitionPairs, 6 FixpointIterations, 15 TrivialSequentialCompositions, 241 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 5 ConcurrentYvCompositions, 0 ChoiceCompositions, 261 TotalNumberOfCompositions, 213210 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 113026, independent: 112284, independent conditional: 0, independent unconditional: 112284, dependent: 742, dependent conditional: 0, dependent unconditional: 742, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 58913, independent: 58615, independent conditional: 0, independent unconditional: 58615, dependent: 298, dependent conditional: 0, dependent unconditional: 298, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 113026, independent: 53669, independent conditional: 0, independent unconditional: 53669, dependent: 444, dependent conditional: 0, dependent unconditional: 444, unknown: 58913, unknown conditional: 0, unknown unconditional: 58913] , Statistics on independence cache: Total cache size (in pairs): 3367, Positive cache size: 3278, Positive conditional cache size: 0, Positive unconditional cache size: 3278, Negative cache size: 89, Negative conditional cache size: 0, Negative unconditional cache size: 89, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 4.0s, 457 PlacesBefore, 191 PlacesAfterwards, 394 TransitionsBefore, 128 TransitionsAfterwards, 127534 CoEnabledTransitionPairs, 6 FixpointIterations, 15 TrivialSequentialCompositions, 249 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 5 ConcurrentYvCompositions, 0 ChoiceCompositions, 269 TotalNumberOfCompositions, 226761 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 113878, independent: 113114, independent conditional: 0, independent unconditional: 113114, dependent: 764, dependent conditional: 0, dependent unconditional: 764, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 62506, independent: 62249, independent conditional: 0, independent unconditional: 62249, dependent: 257, dependent conditional: 0, dependent unconditional: 257, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 113878, independent: 50865, independent conditional: 0, independent unconditional: 50865, dependent: 507, dependent conditional: 0, dependent unconditional: 507, unknown: 62506, unknown conditional: 0, unknown unconditional: 62506] , Statistics on independence cache: Total cache size (in pairs): 3365, Positive cache size: 3273, Positive conditional cache size: 0, Positive unconditional cache size: 3273, Negative cache size: 92, Negative conditional cache size: 0, Negative unconditional cache size: 92, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 4.1s, 471 PlacesBefore, 197 PlacesAfterwards, 406 TransitionsBefore, 132 TransitionsAfterwards, 135872 CoEnabledTransitionPairs, 5 FixpointIterations, 14 TrivialSequentialCompositions, 257 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 6 ConcurrentYvCompositions, 0 ChoiceCompositions, 277 TotalNumberOfCompositions, 217691 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 121725, independent: 121101, independent conditional: 0, independent unconditional: 121101, dependent: 624, dependent conditional: 0, dependent unconditional: 624, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 66628, independent: 66294, independent conditional: 0, independent unconditional: 66294, dependent: 334, dependent conditional: 0, dependent unconditional: 334, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 121725, independent: 54807, independent conditional: 0, independent unconditional: 54807, dependent: 290, dependent conditional: 0, dependent unconditional: 290, unknown: 66628, unknown conditional: 0, unknown unconditional: 66628] , Statistics on independence cache: Total cache size (in pairs): 3240, Positive cache size: 3145, Positive conditional cache size: 0, Positive unconditional cache size: 3145, Negative cache size: 95, Negative conditional cache size: 0, Negative unconditional cache size: 95, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 4.2s, 485 PlacesBefore, 203 PlacesAfterwards, 418 TransitionsBefore, 136 TransitionsAfterwards, 144474 CoEnabledTransitionPairs, 5 FixpointIterations, 14 TrivialSequentialCompositions, 265 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 6 ConcurrentYvCompositions, 0 ChoiceCompositions, 285 TotalNumberOfCompositions, 228665 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 128140, independent: 127503, independent conditional: 0, independent unconditional: 127503, dependent: 637, dependent conditional: 0, dependent unconditional: 637, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 71042, independent: 70727, independent conditional: 0, independent unconditional: 70727, dependent: 315, dependent conditional: 0, dependent unconditional: 315, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 128140, independent: 56776, independent conditional: 0, independent unconditional: 56776, dependent: 322, dependent conditional: 0, dependent unconditional: 322, unknown: 71042, unknown conditional: 0, unknown unconditional: 71042] , Statistics on independence cache: Total cache size (in pairs): 4048, Positive cache size: 3950, Positive conditional cache size: 0, Positive unconditional cache size: 3950, Negative cache size: 98, Negative conditional cache size: 0, Negative unconditional cache size: 98, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 4.2s, 499 PlacesBefore, 209 PlacesAfterwards, 430 TransitionsBefore, 140 TransitionsAfterwards, 153340 CoEnabledTransitionPairs, 6 FixpointIterations, 14 TrivialSequentialCompositions, 273 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 6 ConcurrentYvCompositions, 0 ChoiceCompositions, 293 TotalNumberOfCompositions, 279330 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 141285, independent: 140414, independent conditional: 0, independent unconditional: 140414, dependent: 871, dependent conditional: 0, dependent unconditional: 871, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 75314, independent: 74960, independent conditional: 0, independent unconditional: 74960, dependent: 354, dependent conditional: 0, dependent unconditional: 354, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 141285, independent: 65454, independent conditional: 0, independent unconditional: 65454, dependent: 517, dependent conditional: 0, dependent unconditional: 517, unknown: 75314, unknown conditional: 0, unknown unconditional: 75314] , Statistics on independence cache: Total cache size (in pairs): 4265, Positive cache size: 4164, Positive conditional cache size: 0, Positive unconditional cache size: 4164, Negative cache size: 101, Negative conditional cache size: 0, Negative unconditional cache size: 101, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 4.6s, 513 PlacesBefore, 215 PlacesAfterwards, 442 TransitionsBefore, 144 TransitionsAfterwards, 162470 CoEnabledTransitionPairs, 6 FixpointIterations, 15 TrivialSequentialCompositions, 281 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 5 ConcurrentYvCompositions, 0 ChoiceCompositions, 301 TotalNumberOfCompositions, 281150 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 148988, independent: 148147, independent conditional: 0, independent unconditional: 148147, dependent: 841, dependent conditional: 0, dependent unconditional: 841, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 79437, independent: 79133, independent conditional: 0, independent unconditional: 79133, dependent: 304, dependent conditional: 0, dependent unconditional: 304, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 148988, independent: 69014, independent conditional: 0, independent unconditional: 69014, dependent: 537, dependent conditional: 0, dependent unconditional: 537, unknown: 79437, unknown conditional: 0, unknown unconditional: 79437] , Statistics on independence cache: Total cache size (in pairs): 4226, Positive cache size: 4122, Positive conditional cache size: 0, Positive unconditional cache size: 4122, Negative cache size: 104, Negative conditional cache size: 0, Negative unconditional cache size: 104, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 4.5s, 527 PlacesBefore, 221 PlacesAfterwards, 454 TransitionsBefore, 148 TransitionsAfterwards, 171864 CoEnabledTransitionPairs, 5 FixpointIterations, 15 TrivialSequentialCompositions, 289 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 5 ConcurrentYvCompositions, 0 ChoiceCompositions, 309 TotalNumberOfCompositions, 289479 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 146348, independent: 145595, independent conditional: 0, independent unconditional: 145595, dependent: 753, dependent conditional: 0, dependent unconditional: 753, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 83894, independent: 83513, independent conditional: 0, independent unconditional: 83513, dependent: 381, dependent conditional: 0, dependent unconditional: 381, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 146348, independent: 62082, independent conditional: 0, independent unconditional: 62082, dependent: 372, dependent conditional: 0, dependent unconditional: 372, unknown: 83894, unknown conditional: 0, unknown unconditional: 83894] , Statistics on independence cache: Total cache size (in pairs): 4064, Positive cache size: 3957, Positive conditional cache size: 0, Positive unconditional cache size: 3957, Negative cache size: 107, Negative conditional cache size: 0, Negative unconditional cache size: 107, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 4.7s, 541 PlacesBefore, 227 PlacesAfterwards, 466 TransitionsBefore, 152 TransitionsAfterwards, 181522 CoEnabledTransitionPairs, 6 FixpointIterations, 15 TrivialSequentialCompositions, 297 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 5 ConcurrentYvCompositions, 0 ChoiceCompositions, 317 TotalNumberOfCompositions, 322285 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 171160, independent: 170238, independent conditional: 0, independent unconditional: 170238, dependent: 922, dependent conditional: 0, dependent unconditional: 922, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 89290, independent: 88932, independent conditional: 0, independent unconditional: 88932, dependent: 358, dependent conditional: 0, dependent unconditional: 358, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 171160, independent: 81306, independent conditional: 0, independent unconditional: 81306, dependent: 564, dependent conditional: 0, dependent unconditional: 564, unknown: 89290, unknown conditional: 0, unknown unconditional: 89290] , Statistics on independence cache: Total cache size (in pairs): 5057, Positive cache size: 4947, Positive conditional cache size: 0, Positive unconditional cache size: 4947, Negative cache size: 110, Negative conditional cache size: 0, Negative unconditional cache size: 110, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 4.9s, 555 PlacesBefore, 233 PlacesAfterwards, 478 TransitionsBefore, 156 TransitionsAfterwards, 191444 CoEnabledTransitionPairs, 5 FixpointIterations, 14 TrivialSequentialCompositions, 305 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 6 ConcurrentYvCompositions, 0 ChoiceCompositions, 325 TotalNumberOfCompositions, 304421 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 170179, independent: 169431, independent conditional: 0, independent unconditional: 169431, dependent: 748, dependent conditional: 0, dependent unconditional: 748, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 93756, independent: 93433, independent conditional: 0, independent unconditional: 93433, dependent: 323, dependent conditional: 0, dependent unconditional: 323, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 170179, independent: 75998, independent conditional: 0, independent unconditional: 75998, dependent: 425, dependent conditional: 0, dependent unconditional: 425, unknown: 93756, unknown conditional: 0, unknown unconditional: 93756] , Statistics on independence cache: Total cache size (in pairs): 5321, Positive cache size: 5208, Positive conditional cache size: 0, Positive unconditional cache size: 5208, Negative cache size: 113, Negative conditional cache size: 0, Negative unconditional cache size: 113, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 5.1s, 569 PlacesBefore, 239 PlacesAfterwards, 490 TransitionsBefore, 160 TransitionsAfterwards, 201630 CoEnabledTransitionPairs, 5 FixpointIterations, 15 TrivialSequentialCompositions, 313 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 5 ConcurrentYvCompositions, 0 ChoiceCompositions, 333 TotalNumberOfCompositions, 336727 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 175556, independent: 174729, independent conditional: 0, independent unconditional: 174729, dependent: 827, dependent conditional: 0, dependent unconditional: 827, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 99012, independent: 98698, independent conditional: 0, independent unconditional: 98698, dependent: 314, dependent conditional: 0, dependent unconditional: 314, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 175556, independent: 76031, independent conditional: 0, independent unconditional: 76031, dependent: 513, dependent conditional: 0, dependent unconditional: 513, unknown: 99012, unknown conditional: 0, unknown unconditional: 99012] , Statistics on independence cache: Total cache size (in pairs): 5374, Positive cache size: 5258, Positive conditional cache size: 0, Positive unconditional cache size: 5258, Negative cache size: 116, Negative conditional cache size: 0, Negative unconditional cache size: 116, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 5.0s, 583 PlacesBefore, 245 PlacesAfterwards, 502 TransitionsBefore, 164 TransitionsAfterwards, 212080 CoEnabledTransitionPairs, 5 FixpointIterations, 15 TrivialSequentialCompositions, 321 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 5 ConcurrentYvCompositions, 0 ChoiceCompositions, 341 TotalNumberOfCompositions, 349674 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 182461, independent: 181644, independent conditional: 0, independent unconditional: 181644, dependent: 817, dependent conditional: 0, dependent unconditional: 817, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 103664, independent: 103249, independent conditional: 0, independent unconditional: 103249, dependent: 415, dependent conditional: 0, dependent unconditional: 415, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 182461, independent: 78395, independent conditional: 0, independent unconditional: 78395, dependent: 402, dependent conditional: 0, dependent unconditional: 402, unknown: 103664, unknown conditional: 0, unknown unconditional: 103664] , Statistics on independence cache: Total cache size (in pairs): 5314, Positive cache size: 5195, Positive conditional cache size: 0, Positive unconditional cache size: 5195, Negative cache size: 119, Negative conditional cache size: 0, Negative unconditional cache size: 119, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 5.3s, 597 PlacesBefore, 251 PlacesAfterwards, 514 TransitionsBefore, 168 TransitionsAfterwards, 222794 CoEnabledTransitionPairs, 5 FixpointIterations, 14 TrivialSequentialCompositions, 329 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 6 ConcurrentYvCompositions, 0 ChoiceCompositions, 349 TotalNumberOfCompositions, 367956 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 188636, independent: 187790, independent conditional: 0, independent unconditional: 187790, dependent: 846, dependent conditional: 0, dependent unconditional: 846, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 108703, independent: 108261, independent conditional: 0, independent unconditional: 108261, dependent: 442, dependent conditional: 0, dependent unconditional: 442, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 188636, independent: 79529, independent conditional: 0, independent unconditional: 79529, dependent: 404, dependent conditional: 0, dependent unconditional: 404, unknown: 108703, unknown conditional: 0, unknown unconditional: 108703] , Statistics on independence cache: Total cache size (in pairs): 5247, Positive cache size: 5125, Positive conditional cache size: 0, Positive unconditional cache size: 5125, Negative cache size: 122, Negative conditional cache size: 0, Negative unconditional cache size: 122, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 5.3s, 611 PlacesBefore, 257 PlacesAfterwards, 526 TransitionsBefore, 172 TransitionsAfterwards, 233772 CoEnabledTransitionPairs, 5 FixpointIterations, 15 TrivialSequentialCompositions, 337 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 5 ConcurrentYvCompositions, 0 ChoiceCompositions, 357 TotalNumberOfCompositions, 386788 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 197197, independent: 196345, independent conditional: 0, independent unconditional: 196345, dependent: 852, dependent conditional: 0, dependent unconditional: 852, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 114086, independent: 113624, independent conditional: 0, independent unconditional: 113624, dependent: 462, dependent conditional: 0, dependent unconditional: 462, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 197197, independent: 82721, independent conditional: 0, independent unconditional: 82721, dependent: 390, dependent conditional: 0, dependent unconditional: 390, unknown: 114086, unknown conditional: 0, unknown unconditional: 114086] , Statistics on independence cache: Total cache size (in pairs): 5493, Positive cache size: 5368, Positive conditional cache size: 0, Positive unconditional cache size: 5368, Negative cache size: 125, Negative conditional cache size: 0, Negative unconditional cache size: 125, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 5.3s, 625 PlacesBefore, 263 PlacesAfterwards, 538 TransitionsBefore, 176 TransitionsAfterwards, 245014 CoEnabledTransitionPairs, 6 FixpointIterations, 15 TrivialSequentialCompositions, 345 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 5 ConcurrentYvCompositions, 0 ChoiceCompositions, 365 TotalNumberOfCompositions, 413996 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 207441, independent: 206422, independent conditional: 0, independent unconditional: 206422, dependent: 1019, dependent conditional: 0, dependent unconditional: 1019, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 117377, independent: 117014, independent conditional: 0, independent unconditional: 117014, dependent: 363, dependent conditional: 0, dependent unconditional: 363, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 207441, independent: 89408, independent conditional: 0, independent unconditional: 89408, dependent: 656, dependent conditional: 0, dependent unconditional: 656, unknown: 117377, unknown conditional: 0, unknown unconditional: 117377] , Statistics on independence cache: Total cache size (in pairs): 3932, Positive cache size: 3804, Positive conditional cache size: 0, Positive unconditional cache size: 3804, Negative cache size: 128, Negative conditional cache size: 0, Negative unconditional cache size: 128, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 5.6s, 639 PlacesBefore, 269 PlacesAfterwards, 550 TransitionsBefore, 180 TransitionsAfterwards, 256520 CoEnabledTransitionPairs, 5 FixpointIterations, 15 TrivialSequentialCompositions, 353 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 5 ConcurrentYvCompositions, 0 ChoiceCompositions, 373 TotalNumberOfCompositions, 422510 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 211252, independent: 210342, independent conditional: 0, independent unconditional: 210342, dependent: 910, dependent conditional: 0, dependent unconditional: 910, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 123184, independent: 122705, independent conditional: 0, independent unconditional: 122705, dependent: 479, dependent conditional: 0, dependent unconditional: 479, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 211252, independent: 87637, independent conditional: 0, independent unconditional: 87637, dependent: 431, dependent conditional: 0, dependent unconditional: 431, unknown: 123184, unknown conditional: 0, unknown unconditional: 123184] , Statistics on independence cache: Total cache size (in pairs): 3827, Positive cache size: 3673, Positive conditional cache size: 0, Positive unconditional cache size: 3673, Negative cache size: 154, Negative conditional cache size: 0, Negative unconditional cache size: 154, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 5.6s, 653 PlacesBefore, 275 PlacesAfterwards, 562 TransitionsBefore, 184 TransitionsAfterwards, 268290 CoEnabledTransitionPairs, 6 FixpointIterations, 15 TrivialSequentialCompositions, 361 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 5 ConcurrentYvCompositions, 0 ChoiceCompositions, 381 TotalNumberOfCompositions, 463351 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 252733, independent: 251663, independent conditional: 0, independent unconditional: 251663, dependent: 1070, dependent conditional: 0, dependent unconditional: 1070, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 131743, independent: 131295, independent conditional: 0, independent unconditional: 131295, dependent: 448, dependent conditional: 0, dependent unconditional: 448, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 252733, independent: 120368, independent conditional: 0, independent unconditional: 120368, dependent: 622, dependent conditional: 0, dependent unconditional: 622, unknown: 131743, unknown conditional: 0, unknown unconditional: 131743] , Statistics on independence cache: Total cache size (in pairs): 7414, Positive cache size: 7280, Positive conditional cache size: 0, Positive unconditional cache size: 7280, Negative cache size: 134, Negative conditional cache size: 0, Negative unconditional cache size: 134, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 5.9s, 667 PlacesBefore, 281 PlacesAfterwards, 574 TransitionsBefore, 188 TransitionsAfterwards, 280324 CoEnabledTransitionPairs, 5 FixpointIterations, 15 TrivialSequentialCompositions, 369 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 5 ConcurrentYvCompositions, 0 ChoiceCompositions, 389 TotalNumberOfCompositions, 450057 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 249295, independent: 248381, independent conditional: 0, independent unconditional: 248381, dependent: 914, dependent conditional: 0, dependent unconditional: 914, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 137906, independent: 137464, independent conditional: 0, independent unconditional: 137464, dependent: 442, dependent conditional: 0, dependent unconditional: 442, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 249295, independent: 110917, independent conditional: 0, independent unconditional: 110917, dependent: 472, dependent conditional: 0, dependent unconditional: 472, unknown: 137906, unknown conditional: 0, unknown unconditional: 137906] , Statistics on independence cache: Total cache size (in pairs): 7612, Positive cache size: 7475, Positive conditional cache size: 0, Positive unconditional cache size: 7475, Negative cache size: 137, Negative conditional cache size: 0, Negative unconditional cache size: 137, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 5.8s, 681 PlacesBefore, 287 PlacesAfterwards, 586 TransitionsBefore, 192 TransitionsAfterwards, 292622 CoEnabledTransitionPairs, 6 FixpointIterations, 14 TrivialSequentialCompositions, 377 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 6 ConcurrentYvCompositions, 0 ChoiceCompositions, 397 TotalNumberOfCompositions, 511321 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 276414, independent: 275265, independent conditional: 0, independent unconditional: 275265, dependent: 1149, dependent conditional: 0, dependent unconditional: 1149, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 143231, independent: 142807, independent conditional: 0, independent unconditional: 142807, dependent: 424, dependent conditional: 0, dependent unconditional: 424, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 276414, independent: 132458, independent conditional: 0, independent unconditional: 132458, dependent: 725, dependent conditional: 0, dependent unconditional: 725, unknown: 143231, unknown conditional: 0, unknown unconditional: 143231] , Statistics on independence cache: Total cache size (in pairs): 7936, Positive cache size: 7796, Positive conditional cache size: 0, Positive unconditional cache size: 7796, Negative cache size: 140, Negative conditional cache size: 0, Negative unconditional cache size: 140, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 6.0s, 695 PlacesBefore, 293 PlacesAfterwards, 598 TransitionsBefore, 196 TransitionsAfterwards, 305184 CoEnabledTransitionPairs, 6 FixpointIterations, 14 TrivialSequentialCompositions, 385 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 6 ConcurrentYvCompositions, 0 ChoiceCompositions, 405 TotalNumberOfCompositions, 535803 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 283297, independent: 282137, independent conditional: 0, independent unconditional: 282137, dependent: 1160, dependent conditional: 0, dependent unconditional: 1160, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 149237, independent: 148795, independent conditional: 0, independent unconditional: 148795, dependent: 442, dependent conditional: 0, dependent unconditional: 442, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 283297, independent: 133342, independent conditional: 0, independent unconditional: 133342, dependent: 718, dependent conditional: 0, dependent unconditional: 718, unknown: 149237, unknown conditional: 0, unknown unconditional: 149237] , Statistics on independence cache: Total cache size (in pairs): 8264, Positive cache size: 8121, Positive conditional cache size: 0, Positive unconditional cache size: 8121, Negative cache size: 143, Negative conditional cache size: 0, Negative unconditional cache size: 143, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 6.1s, 709 PlacesBefore, 299 PlacesAfterwards, 610 TransitionsBefore, 200 TransitionsAfterwards, 318010 CoEnabledTransitionPairs, 6 FixpointIterations, 15 TrivialSequentialCompositions, 393 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 5 ConcurrentYvCompositions, 0 ChoiceCompositions, 413 TotalNumberOfCompositions, 553451 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 298289, independent: 297110, independent conditional: 0, independent unconditional: 297110, dependent: 1179, dependent conditional: 0, dependent unconditional: 1179, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 156123, independent: 155645, independent conditional: 0, independent unconditional: 155645, dependent: 478, dependent conditional: 0, dependent unconditional: 478, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 298289, independent: 141465, independent conditional: 0, independent unconditional: 141465, dependent: 701, dependent conditional: 0, dependent unconditional: 701, unknown: 156123, unknown conditional: 0, unknown unconditional: 156123] , Statistics on independence cache: Total cache size (in pairs): 8608, Positive cache size: 8462, Positive conditional cache size: 0, Positive unconditional cache size: 8462, Negative cache size: 146, Negative conditional cache size: 0, Negative unconditional cache size: 146, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 6.3s, 723 PlacesBefore, 305 PlacesAfterwards, 622 TransitionsBefore, 204 TransitionsAfterwards, 331100 CoEnabledTransitionPairs, 6 FixpointIterations, 14 TrivialSequentialCompositions, 401 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 6 ConcurrentYvCompositions, 0 ChoiceCompositions, 421 TotalNumberOfCompositions, 579273 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 309541, independent: 308312, independent conditional: 0, independent unconditional: 308312, dependent: 1229, dependent conditional: 0, dependent unconditional: 1229, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 161977, independent: 161522, independent conditional: 0, independent unconditional: 161522, dependent: 455, dependent conditional: 0, dependent unconditional: 455, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 309541, independent: 146790, independent conditional: 0, independent unconditional: 146790, dependent: 774, dependent conditional: 0, dependent unconditional: 774, unknown: 161977, unknown conditional: 0, unknown unconditional: 161977] , Statistics on independence cache: Total cache size (in pairs): 9004, Positive cache size: 8856, Positive conditional cache size: 0, Positive unconditional cache size: 8856, Negative cache size: 148, Negative conditional cache size: 0, Negative unconditional cache size: 148, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 6.4s, 737 PlacesBefore, 311 PlacesAfterwards, 634 TransitionsBefore, 208 TransitionsAfterwards, 344454 CoEnabledTransitionPairs, 6 FixpointIterations, 14 TrivialSequentialCompositions, 409 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 6 ConcurrentYvCompositions, 0 ChoiceCompositions, 429 TotalNumberOfCompositions, 605484 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 298563, independent: 297317, independent conditional: 0, independent unconditional: 297317, dependent: 1246, dependent conditional: 0, dependent unconditional: 1246, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 166765, independent: 166259, independent conditional: 0, independent unconditional: 166259, dependent: 506, dependent conditional: 0, dependent unconditional: 506, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 298563, independent: 131058, independent conditional: 0, independent unconditional: 131058, dependent: 740, dependent conditional: 0, dependent unconditional: 740, unknown: 166765, unknown conditional: 0, unknown unconditional: 166765] , Statistics on independence cache: Total cache size (in pairs): 7301, Positive cache size: 7114, Positive conditional cache size: 0, Positive unconditional cache size: 7114, Negative cache size: 187, Negative conditional cache size: 0, Negative unconditional cache size: 187, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 6.6s, 751 PlacesBefore, 317 PlacesAfterwards, 646 TransitionsBefore, 212 TransitionsAfterwards, 358072 CoEnabledTransitionPairs, 6 FixpointIterations, 15 TrivialSequentialCompositions, 417 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 5 ConcurrentYvCompositions, 0 ChoiceCompositions, 437 TotalNumberOfCompositions, 649960 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 299633, independent: 298314, independent conditional: 0, independent unconditional: 298314, dependent: 1319, dependent conditional: 0, dependent unconditional: 1319, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 170319, independent: 169836, independent conditional: 0, independent unconditional: 169836, dependent: 483, dependent conditional: 0, dependent unconditional: 483, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 299633, independent: 128478, independent conditional: 0, independent unconditional: 128478, dependent: 836, dependent conditional: 0, dependent unconditional: 836, unknown: 170319, unknown conditional: 0, unknown unconditional: 170319] , Statistics on independence cache: Total cache size (in pairs): 4540, Positive cache size: 4385, Positive conditional cache size: 0, Positive unconditional cache size: 4385, Negative cache size: 155, Negative conditional cache size: 0, Negative unconditional cache size: 155, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 6.7s, 765 PlacesBefore, 323 PlacesAfterwards, 658 TransitionsBefore, 216 TransitionsAfterwards, 371954 CoEnabledTransitionPairs, 5 FixpointIterations, 14 TrivialSequentialCompositions, 425 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 6 ConcurrentYvCompositions, 0 ChoiceCompositions, 445 TotalNumberOfCompositions, 597844 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 326685, independent: 325622, independent conditional: 0, independent unconditional: 325622, dependent: 1063, dependent conditional: 0, dependent unconditional: 1063, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 182562, independent: 182034, independent conditional: 0, independent unconditional: 182034, dependent: 528, dependent conditional: 0, dependent unconditional: 528, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 326685, independent: 143588, independent conditional: 0, independent unconditional: 143588, dependent: 535, dependent conditional: 0, dependent unconditional: 535, unknown: 182562, unknown conditional: 0, unknown unconditional: 182562] , Statistics on independence cache: Total cache size (in pairs): 10025, Positive cache size: 9867, Positive conditional cache size: 0, Positive unconditional cache size: 9867, Negative cache size: 158, Negative conditional cache size: 0, Negative unconditional cache size: 158, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 6.8s, 779 PlacesBefore, 329 PlacesAfterwards, 670 TransitionsBefore, 220 TransitionsAfterwards, 386100 CoEnabledTransitionPairs, 5 FixpointIterations, 14 TrivialSequentialCompositions, 433 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 6 ConcurrentYvCompositions, 0 ChoiceCompositions, 453 TotalNumberOfCompositions, 618835 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 324897, independent: 323834, independent conditional: 0, independent unconditional: 323834, dependent: 1063, dependent conditional: 0, dependent unconditional: 1063, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 187644, independent: 187113, independent conditional: 0, independent unconditional: 187113, dependent: 531, dependent conditional: 0, dependent unconditional: 531, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 324897, independent: 136721, independent conditional: 0, independent unconditional: 136721, dependent: 532, dependent conditional: 0, dependent unconditional: 532, unknown: 187644, unknown conditional: 0, unknown unconditional: 187644] , Statistics on independence cache: Total cache size (in pairs): 9019, Positive cache size: 8858, Positive conditional cache size: 0, Positive unconditional cache size: 8858, Negative cache size: 161, Negative conditional cache size: 0, Negative unconditional cache size: 161, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 7.0s, 793 PlacesBefore, 335 PlacesAfterwards, 682 TransitionsBefore, 224 TransitionsAfterwards, 400510 CoEnabledTransitionPairs, 6 FixpointIterations, 15 TrivialSequentialCompositions, 441 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 5 ConcurrentYvCompositions, 0 ChoiceCompositions, 461 TotalNumberOfCompositions, 708130 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 362530, independent: 361185, independent conditional: 0, independent unconditional: 361185, dependent: 1345, dependent conditional: 0, dependent unconditional: 1345, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 196523, independent: 196094, independent conditional: 0, independent unconditional: 196094, dependent: 429, dependent conditional: 0, dependent unconditional: 429, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 362530, independent: 165091, independent conditional: 0, independent unconditional: 165091, dependent: 916, dependent conditional: 0, dependent unconditional: 916, unknown: 196523, unknown conditional: 0, unknown unconditional: 196523] , Statistics on independence cache: Total cache size (in pairs): 10930, Positive cache size: 10766, Positive conditional cache size: 0, Positive unconditional cache size: 10766, Negative cache size: 164, Negative conditional cache size: 0, Negative unconditional cache size: 164, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 7.1s, 807 PlacesBefore, 341 PlacesAfterwards, 694 TransitionsBefore, 228 TransitionsAfterwards, 415184 CoEnabledTransitionPairs, 5 FixpointIterations, 15 TrivialSequentialCompositions, 449 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 5 ConcurrentYvCompositions, 0 ChoiceCompositions, 469 TotalNumberOfCompositions, 664300 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 367144, independent: 366034, independent conditional: 0, independent unconditional: 366034, dependent: 1110, dependent conditional: 0, dependent unconditional: 1110, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 202411, independent: 201921, independent conditional: 0, independent unconditional: 201921, dependent: 490, dependent conditional: 0, dependent unconditional: 490, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 367144, independent: 164113, independent conditional: 0, independent unconditional: 164113, dependent: 620, dependent conditional: 0, dependent unconditional: 620, unknown: 202411, unknown conditional: 0, unknown unconditional: 202411] , Statistics on independence cache: Total cache size (in pairs): 10058, Positive cache size: 9891, Positive conditional cache size: 0, Positive unconditional cache size: 9891, Negative cache size: 167, Negative conditional cache size: 0, Negative unconditional cache size: 167, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 7.3s, 821 PlacesBefore, 347 PlacesAfterwards, 706 TransitionsBefore, 232 TransitionsAfterwards, 430122 CoEnabledTransitionPairs, 5 FixpointIterations, 14 TrivialSequentialCompositions, 457 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 6 ConcurrentYvCompositions, 0 ChoiceCompositions, 477 TotalNumberOfCompositions, 701897 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 377339, independent: 376192, independent conditional: 0, independent unconditional: 376192, dependent: 1147, dependent conditional: 0, dependent unconditional: 1147, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 210654, independent: 210072, independent conditional: 0, independent unconditional: 210072, dependent: 582, dependent conditional: 0, dependent unconditional: 582, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 377339, independent: 166120, independent conditional: 0, independent unconditional: 166120, dependent: 565, dependent conditional: 0, dependent unconditional: 565, unknown: 210654, unknown conditional: 0, unknown unconditional: 210654] , Statistics on independence cache: Total cache size (in pairs): 11781, Positive cache size: 11611, Positive conditional cache size: 0, Positive unconditional cache size: 11611, Negative cache size: 170, Negative conditional cache size: 0, Negative unconditional cache size: 170, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 7.5s, 835 PlacesBefore, 353 PlacesAfterwards, 718 TransitionsBefore, 236 TransitionsAfterwards, 445324 CoEnabledTransitionPairs, 5 FixpointIterations, 14 TrivialSequentialCompositions, 465 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 6 ConcurrentYvCompositions, 0 ChoiceCompositions, 485 TotalNumberOfCompositions, 739240 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 389635, independent: 388434, independent conditional: 0, independent unconditional: 388434, dependent: 1201, dependent conditional: 0, dependent unconditional: 1201, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 217849, independent: 217294, independent conditional: 0, independent unconditional: 217294, dependent: 555, dependent conditional: 0, dependent unconditional: 555, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 389635, independent: 171140, independent conditional: 0, independent unconditional: 171140, dependent: 646, dependent conditional: 0, dependent unconditional: 646, unknown: 217849, unknown conditional: 0, unknown unconditional: 217849] , Statistics on independence cache: Total cache size (in pairs): 11902, Positive cache size: 11729, Positive conditional cache size: 0, Positive unconditional cache size: 11729, Negative cache size: 173, Negative conditional cache size: 0, Negative unconditional cache size: 173, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 7.5s, 849 PlacesBefore, 359 PlacesAfterwards, 730 TransitionsBefore, 240 TransitionsAfterwards, 460790 CoEnabledTransitionPairs, 5 FixpointIterations, 15 TrivialSequentialCompositions, 473 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 5 ConcurrentYvCompositions, 0 ChoiceCompositions, 493 TotalNumberOfCompositions, 759493 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 382486, independent: 381274, independent conditional: 0, independent unconditional: 381274, dependent: 1212, dependent conditional: 0, dependent unconditional: 1212, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 221454, independent: 220842, independent conditional: 0, independent unconditional: 220842, dependent: 612, dependent conditional: 0, dependent unconditional: 612, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 382486, independent: 160432, independent conditional: 0, independent unconditional: 160432, dependent: 600, dependent conditional: 0, dependent unconditional: 600, unknown: 221454, unknown conditional: 0, unknown unconditional: 221454] , Statistics on independence cache: Total cache size (in pairs): 8303, Positive cache size: 8127, Positive conditional cache size: 0, Positive unconditional cache size: 8127, Negative cache size: 176, Negative conditional cache size: 0, Negative unconditional cache size: 176, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 7.7s, 863 PlacesBefore, 365 PlacesAfterwards, 742 TransitionsBefore, 244 TransitionsAfterwards, 476520 CoEnabledTransitionPairs, 5 FixpointIterations, 15 TrivialSequentialCompositions, 481 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 5 ConcurrentYvCompositions, 0 ChoiceCompositions, 501 TotalNumberOfCompositions, 797539 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 413770, independent: 412507, independent conditional: 0, independent unconditional: 412507, dependent: 1263, dependent conditional: 0, dependent unconditional: 1263, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 234097, independent: 233506, independent conditional: 0, independent unconditional: 233506, dependent: 591, dependent conditional: 0, dependent unconditional: 591, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 413770, independent: 179001, independent conditional: 0, independent unconditional: 179001, dependent: 672, dependent conditional: 0, dependent unconditional: 672, unknown: 234097, unknown conditional: 0, unknown unconditional: 234097] , Statistics on independence cache: Total cache size (in pairs): 12974, Positive cache size: 12795, Positive conditional cache size: 0, Positive unconditional cache size: 12795, Negative cache size: 179, Negative conditional cache size: 0, Negative unconditional cache size: 179, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 7.8s, 877 PlacesBefore, 371 PlacesAfterwards, 754 TransitionsBefore, 248 TransitionsAfterwards, 492514 CoEnabledTransitionPairs, 5 FixpointIterations, 15 TrivialSequentialCompositions, 489 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 5 ConcurrentYvCompositions, 0 ChoiceCompositions, 509 TotalNumberOfCompositions, 808342 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 429698, independent: 428454, independent conditional: 0, independent unconditional: 428454, dependent: 1244, dependent conditional: 0, dependent unconditional: 1244, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 239528, independent: 238888, independent conditional: 0, independent unconditional: 238888, dependent: 640, dependent conditional: 0, dependent unconditional: 640, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 429698, independent: 189566, independent conditional: 0, independent unconditional: 189566, dependent: 604, dependent conditional: 0, dependent unconditional: 604, unknown: 239528, unknown conditional: 0, unknown unconditional: 239528] , Statistics on independence cache: Total cache size (in pairs): 11927, Positive cache size: 11745, Positive conditional cache size: 0, Positive unconditional cache size: 11745, Negative cache size: 182, Negative conditional cache size: 0, Negative unconditional cache size: 182, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 8.1s, 891 PlacesBefore, 377 PlacesAfterwards, 766 TransitionsBefore, 252 TransitionsAfterwards, 508772 CoEnabledTransitionPairs, 5 FixpointIterations, 15 TrivialSequentialCompositions, 497 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 5 ConcurrentYvCompositions, 0 ChoiceCompositions, 517 TotalNumberOfCompositions, 797884 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 406677, independent: 405417, independent conditional: 0, independent unconditional: 405417, dependent: 1260, dependent conditional: 0, dependent unconditional: 1260, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 251785, independent: 251145, independent conditional: 0, independent unconditional: 251145, dependent: 640, dependent conditional: 0, dependent unconditional: 640, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 406677, independent: 154272, independent conditional: 0, independent unconditional: 154272, dependent: 620, dependent conditional: 0, dependent unconditional: 620, unknown: 251785, unknown conditional: 0, unknown unconditional: 251785] , Statistics on independence cache: Total cache size (in pairs): 13845, Positive cache size: 13660, Positive conditional cache size: 0, Positive unconditional cache size: 13660, Negative cache size: 185, Negative conditional cache size: 0, Negative unconditional cache size: 185, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 8.3s, 905 PlacesBefore, 383 PlacesAfterwards, 778 TransitionsBefore, 256 TransitionsAfterwards, 525294 CoEnabledTransitionPairs, 5 FixpointIterations, 15 TrivialSequentialCompositions, 505 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 5 ConcurrentYvCompositions, 0 ChoiceCompositions, 525 TotalNumberOfCompositions, 806137 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 414455, independent: 413189, independent conditional: 0, independent unconditional: 413189, dependent: 1266, dependent conditional: 0, dependent unconditional: 1266, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 259909, independent: 259306, independent conditional: 0, independent unconditional: 259306, dependent: 603, dependent conditional: 0, dependent unconditional: 603, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 414455, independent: 153883, independent conditional: 0, independent unconditional: 153883, dependent: 663, dependent conditional: 0, dependent unconditional: 663, unknown: 259909, unknown conditional: 0, unknown unconditional: 259909] , Statistics on independence cache: Total cache size (in pairs): 13813, Positive cache size: 13625, Positive conditional cache size: 0, Positive unconditional cache size: 13625, Negative cache size: 188, Negative conditional cache size: 0, Negative unconditional cache size: 188, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 8.2s, 919 PlacesBefore, 389 PlacesAfterwards, 790 TransitionsBefore, 260 TransitionsAfterwards, 542080 CoEnabledTransitionPairs, 5 FixpointIterations, 15 TrivialSequentialCompositions, 513 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 5 ConcurrentYvCompositions, 0 ChoiceCompositions, 533 TotalNumberOfCompositions, 878510 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 415750, independent: 414394, independent conditional: 0, independent unconditional: 414394, dependent: 1356, dependent conditional: 0, dependent unconditional: 1356, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 266641, independent: 265929, independent conditional: 0, independent unconditional: 265929, dependent: 712, dependent conditional: 0, dependent unconditional: 712, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 415750, independent: 148465, independent conditional: 0, independent unconditional: 148465, dependent: 644, dependent conditional: 0, dependent unconditional: 644, unknown: 266641, unknown conditional: 0, unknown unconditional: 266641] , Statistics on independence cache: Total cache size (in pairs): 12605, Positive cache size: 12396, Positive conditional cache size: 0, Positive unconditional cache size: 12396, Negative cache size: 209, Negative conditional cache size: 0, Negative unconditional cache size: 209, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 8.4s, 933 PlacesBefore, 395 PlacesAfterwards, 802 TransitionsBefore, 264 TransitionsAfterwards, 559130 CoEnabledTransitionPairs, 5 FixpointIterations, 15 TrivialSequentialCompositions, 521 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 5 ConcurrentYvCompositions, 0 ChoiceCompositions, 541 TotalNumberOfCompositions, 864090 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 444856, independent: 443540, independent conditional: 0, independent unconditional: 443540, dependent: 1316, dependent conditional: 0, dependent unconditional: 1316, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 276581, independent: 275938, independent conditional: 0, independent unconditional: 275938, dependent: 643, dependent conditional: 0, dependent unconditional: 643, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 444856, independent: 167602, independent conditional: 0, independent unconditional: 167602, dependent: 673, dependent conditional: 0, dependent unconditional: 673, unknown: 276581, unknown conditional: 0, unknown unconditional: 276581] , Statistics on independence cache: Total cache size (in pairs): 15189, Positive cache size: 14995, Positive conditional cache size: 0, Positive unconditional cache size: 14995, Negative cache size: 194, Negative conditional cache size: 0, Negative unconditional cache size: 194, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 8.8s, 947 PlacesBefore, 401 PlacesAfterwards, 814 TransitionsBefore, 268 TransitionsAfterwards, 576444 CoEnabledTransitionPairs, 5 FixpointIterations, 15 TrivialSequentialCompositions, 529 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 5 ConcurrentYvCompositions, 0 ChoiceCompositions, 549 TotalNumberOfCompositions, 914045 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 453565, independent: 452183, independent conditional: 0, independent unconditional: 452183, dependent: 1382, dependent conditional: 0, dependent unconditional: 1382, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 285046, independent: 284411, independent conditional: 0, independent unconditional: 284411, dependent: 635, dependent conditional: 0, dependent unconditional: 635, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 453565, independent: 167772, independent conditional: 0, independent unconditional: 167772, dependent: 747, dependent conditional: 0, dependent unconditional: 747, unknown: 285046, unknown conditional: 0, unknown unconditional: 285046] , Statistics on independence cache: Total cache size (in pairs): 14879, Positive cache size: 14682, Positive conditional cache size: 0, Positive unconditional cache size: 14682, Negative cache size: 197, Negative conditional cache size: 0, Negative unconditional cache size: 197, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 8.8s, 961 PlacesBefore, 407 PlacesAfterwards, 826 TransitionsBefore, 272 TransitionsAfterwards, 594022 CoEnabledTransitionPairs, 5 FixpointIterations, 15 TrivialSequentialCompositions, 537 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 5 ConcurrentYvCompositions, 0 ChoiceCompositions, 557 TotalNumberOfCompositions, 910241 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 461600, independent: 460247, independent conditional: 0, independent unconditional: 460247, dependent: 1353, dependent conditional: 0, dependent unconditional: 1353, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 292330, independent: 291636, independent conditional: 0, independent unconditional: 291636, dependent: 694, dependent conditional: 0, dependent unconditional: 694, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 461600, independent: 168611, independent conditional: 0, independent unconditional: 168611, dependent: 659, dependent conditional: 0, dependent unconditional: 659, unknown: 292330, unknown conditional: 0, unknown unconditional: 292330] , Statistics on independence cache: Total cache size (in pairs): 13764, Positive cache size: 13564, Positive conditional cache size: 0, Positive unconditional cache size: 13564, Negative cache size: 200, Negative conditional cache size: 0, Negative unconditional cache size: 200, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 8.9s, 975 PlacesBefore, 413 PlacesAfterwards, 838 TransitionsBefore, 276 TransitionsAfterwards, 611864 CoEnabledTransitionPairs, 5 FixpointIterations, 15 TrivialSequentialCompositions, 545 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 5 ConcurrentYvCompositions, 0 ChoiceCompositions, 565 TotalNumberOfCompositions, 962376 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 490012, independent: 488595, independent conditional: 0, independent unconditional: 488595, dependent: 1417, dependent conditional: 0, dependent unconditional: 1417, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 302787, independent: 302091, independent conditional: 0, independent unconditional: 302091, dependent: 696, dependent conditional: 0, dependent unconditional: 696, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 490012, independent: 186504, independent conditional: 0, independent unconditional: 186504, dependent: 721, dependent conditional: 0, dependent unconditional: 721, unknown: 302787, unknown conditional: 0, unknown unconditional: 302787] , Statistics on independence cache: Total cache size (in pairs): 16619, Positive cache size: 16416, Positive conditional cache size: 0, Positive unconditional cache size: 16416, Negative cache size: 203, Negative conditional cache size: 0, Negative unconditional cache size: 203, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 9.2s, 989 PlacesBefore, 419 PlacesAfterwards, 850 TransitionsBefore, 280 TransitionsAfterwards, 629970 CoEnabledTransitionPairs, 5 FixpointIterations, 15 TrivialSequentialCompositions, 553 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 5 ConcurrentYvCompositions, 0 ChoiceCompositions, 573 TotalNumberOfCompositions, 968529 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 493783, independent: 492390, independent conditional: 0, independent unconditional: 492390, dependent: 1393, dependent conditional: 0, dependent unconditional: 1393, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 310747, independent: 310082, independent conditional: 0, independent unconditional: 310082, dependent: 665, dependent conditional: 0, dependent unconditional: 665, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 493783, independent: 182308, independent conditional: 0, independent unconditional: 182308, dependent: 728, dependent conditional: 0, dependent unconditional: 728, unknown: 310747, unknown conditional: 0, unknown unconditional: 310747] , Statistics on independence cache: Total cache size (in pairs): 16840, Positive cache size: 16634, Positive conditional cache size: 0, Positive unconditional cache size: 16634, Negative cache size: 206, Negative conditional cache size: 0, Negative unconditional cache size: 206, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 9.3s, 1003 PlacesBefore, 425 PlacesAfterwards, 862 TransitionsBefore, 284 TransitionsAfterwards, 648340 CoEnabledTransitionPairs, 5 FixpointIterations, 15 TrivialSequentialCompositions, 561 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 5 ConcurrentYvCompositions, 0 ChoiceCompositions, 581 TotalNumberOfCompositions, 1010161 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 505312, independent: 503882, independent conditional: 0, independent unconditional: 503882, dependent: 1430, dependent conditional: 0, dependent unconditional: 1430, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 318623, independent: 317946, independent conditional: 0, independent unconditional: 317946, dependent: 677, dependent conditional: 0, dependent unconditional: 677, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 505312, independent: 185936, independent conditional: 0, independent unconditional: 185936, dependent: 753, dependent conditional: 0, dependent unconditional: 753, unknown: 318623, unknown conditional: 0, unknown unconditional: 318623] , Statistics on independence cache: Total cache size (in pairs): 15868, Positive cache size: 15659, Positive conditional cache size: 0, Positive unconditional cache size: 15659, Negative cache size: 209, Negative conditional cache size: 0, Negative unconditional cache size: 209, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 9.3s, 1017 PlacesBefore, 431 PlacesAfterwards, 874 TransitionsBefore, 288 TransitionsAfterwards, 666974 CoEnabledTransitionPairs, 5 FixpointIterations, 15 TrivialSequentialCompositions, 569 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 5 ConcurrentYvCompositions, 0 ChoiceCompositions, 589 TotalNumberOfCompositions, 1006390 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 508484, independent: 507079, independent conditional: 0, independent unconditional: 507079, dependent: 1405, dependent conditional: 0, dependent unconditional: 1405, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 326710, independent: 325996, independent conditional: 0, independent unconditional: 325996, dependent: 714, dependent conditional: 0, dependent unconditional: 714, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 508484, independent: 181083, independent conditional: 0, independent unconditional: 181083, dependent: 691, dependent conditional: 0, dependent unconditional: 691, unknown: 326710, unknown conditional: 0, unknown unconditional: 326710] , Statistics on independence cache: Total cache size (in pairs): 13726, Positive cache size: 13514, Positive conditional cache size: 0, Positive unconditional cache size: 13514, Negative cache size: 212, Negative conditional cache size: 0, Negative unconditional cache size: 212, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 9.5s, 1031 PlacesBefore, 437 PlacesAfterwards, 886 TransitionsBefore, 292 TransitionsAfterwards, 685872 CoEnabledTransitionPairs, 5 FixpointIterations, 15 TrivialSequentialCompositions, 577 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 5 ConcurrentYvCompositions, 0 ChoiceCompositions, 597 TotalNumberOfCompositions, 1069393 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 550603, independent: 549129, independent conditional: 0, independent unconditional: 549129, dependent: 1474, dependent conditional: 0, dependent unconditional: 1474, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 339151, independent: 338489, independent conditional: 0, independent unconditional: 338489, dependent: 662, dependent conditional: 0, dependent unconditional: 662, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 550603, independent: 210640, independent conditional: 0, independent unconditional: 210640, dependent: 812, dependent conditional: 0, dependent unconditional: 812, unknown: 339151, unknown conditional: 0, unknown unconditional: 339151] , Statistics on independence cache: Total cache size (in pairs): 18608, Positive cache size: 18393, Positive conditional cache size: 0, Positive unconditional cache size: 18393, Negative cache size: 215, Negative conditional cache size: 0, Negative unconditional cache size: 215, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 9.7s, 1045 PlacesBefore, 443 PlacesAfterwards, 898 TransitionsBefore, 296 TransitionsAfterwards, 705034 CoEnabledTransitionPairs, 5 FixpointIterations, 15 TrivialSequentialCompositions, 585 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 5 ConcurrentYvCompositions, 0 ChoiceCompositions, 605 TotalNumberOfCompositions, 1104899 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 544985, independent: 543483, independent conditional: 0, independent unconditional: 543483, dependent: 1502, dependent conditional: 0, dependent unconditional: 1502, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 347920, independent: 347219, independent conditional: 0, independent unconditional: 347219, dependent: 701, dependent conditional: 0, dependent unconditional: 701, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 544985, independent: 196264, independent conditional: 0, independent unconditional: 196264, dependent: 801, dependent conditional: 0, dependent unconditional: 801, unknown: 347920, unknown conditional: 0, unknown unconditional: 347920] , Statistics on independence cache: Total cache size (in pairs): 17940, Positive cache size: 17722, Positive conditional cache size: 0, Positive unconditional cache size: 17722, Negative cache size: 218, Negative conditional cache size: 0, Negative unconditional cache size: 218, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 10.1s, 1059 PlacesBefore, 449 PlacesAfterwards, 910 TransitionsBefore, 300 TransitionsAfterwards, 724460 CoEnabledTransitionPairs, 5 FixpointIterations, 15 TrivialSequentialCompositions, 593 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 5 ConcurrentYvCompositions, 0 ChoiceCompositions, 613 TotalNumberOfCompositions, 1143135 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 605339, independent: 603810, independent conditional: 0, independent unconditional: 603810, dependent: 1529, dependent conditional: 0, dependent unconditional: 1529, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 357311, independent: 356504, independent conditional: 0, independent unconditional: 356504, dependent: 807, dependent conditional: 0, dependent unconditional: 807, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 605339, independent: 247306, independent conditional: 0, independent unconditional: 247306, dependent: 722, dependent conditional: 0, dependent unconditional: 722, unknown: 357311, unknown conditional: 0, unknown unconditional: 357311] , Statistics on independence cache: Total cache size (in pairs): 16983, Positive cache size: 16762, Positive conditional cache size: 0, Positive unconditional cache size: 16762, Negative cache size: 221, Negative conditional cache size: 0, Negative unconditional cache size: 221, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 10.1s, 1073 PlacesBefore, 455 PlacesAfterwards, 922 TransitionsBefore, 304 TransitionsAfterwards, 744150 CoEnabledTransitionPairs, 5 FixpointIterations, 15 TrivialSequentialCompositions, 601 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 5 ConcurrentYvCompositions, 0 ChoiceCompositions, 621 TotalNumberOfCompositions, 1158540 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 560158, independent: 558623, independent conditional: 0, independent unconditional: 558623, dependent: 1535, dependent conditional: 0, dependent unconditional: 1535, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 361376, independent: 360592, independent conditional: 0, independent unconditional: 360592, dependent: 784, dependent conditional: 0, dependent unconditional: 784, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 560158, independent: 198031, independent conditional: 0, independent unconditional: 198031, dependent: 751, dependent conditional: 0, dependent unconditional: 751, unknown: 361376, unknown conditional: 0, unknown unconditional: 361376] , Statistics on independence cache: Total cache size (in pairs): 14011, Positive cache size: 13787, Positive conditional cache size: 0, Positive unconditional cache size: 13787, Negative cache size: 224, Negative conditional cache size: 0, Negative unconditional cache size: 224, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 10.2s, 1087 PlacesBefore, 461 PlacesAfterwards, 934 TransitionsBefore, 308 TransitionsAfterwards, 764104 CoEnabledTransitionPairs, 5 FixpointIterations, 15 TrivialSequentialCompositions, 609 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 5 ConcurrentYvCompositions, 0 ChoiceCompositions, 629 TotalNumberOfCompositions, 1187996 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 612686, independent: 611135, independent conditional: 0, independent unconditional: 611135, dependent: 1551, dependent conditional: 0, dependent unconditional: 1551, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 378071, independent: 377339, independent conditional: 0, independent unconditional: 377339, dependent: 732, dependent conditional: 0, dependent unconditional: 732, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 612686, independent: 233796, independent conditional: 0, independent unconditional: 233796, dependent: 819, dependent conditional: 0, dependent unconditional: 819, unknown: 378071, unknown conditional: 0, unknown unconditional: 378071] , Statistics on independence cache: Total cache size (in pairs): 20710, Positive cache size: 20483, Positive conditional cache size: 0, Positive unconditional cache size: 20483, Negative cache size: 227, Negative conditional cache size: 0, Negative unconditional cache size: 227, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 10.3s, 1101 PlacesBefore, 467 PlacesAfterwards, 946 TransitionsBefore, 312 TransitionsAfterwards, 784322 CoEnabledTransitionPairs, 5 FixpointIterations, 15 TrivialSequentialCompositions, 617 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 5 ConcurrentYvCompositions, 0 ChoiceCompositions, 637 TotalNumberOfCompositions, 1199381 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 620569, independent: 619035, independent conditional: 0, independent unconditional: 619035, dependent: 1534, dependent conditional: 0, dependent unconditional: 1534, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 387385, independent: 386692, independent conditional: 0, independent unconditional: 386692, dependent: 693, dependent conditional: 0, dependent unconditional: 693, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 620569, independent: 232343, independent conditional: 0, independent unconditional: 232343, dependent: 841, dependent conditional: 0, dependent unconditional: 841, unknown: 387385, unknown conditional: 0, unknown unconditional: 387385] , Statistics on independence cache: Total cache size (in pairs): 20832, Positive cache size: 20602, Positive conditional cache size: 0, Positive unconditional cache size: 20602, Negative cache size: 230, Negative conditional cache size: 0, Negative unconditional cache size: 230, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 10.4s, 1115 PlacesBefore, 473 PlacesAfterwards, 958 TransitionsBefore, 316 TransitionsAfterwards, 804804 CoEnabledTransitionPairs, 5 FixpointIterations, 15 TrivialSequentialCompositions, 625 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 5 ConcurrentYvCompositions, 0 ChoiceCompositions, 645 TotalNumberOfCompositions, 1233519 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 624962, independent: 623384, independent conditional: 0, independent unconditional: 623384, dependent: 1578, dependent conditional: 0, dependent unconditional: 1578, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 396128, independent: 395381, independent conditional: 0, independent unconditional: 395381, dependent: 747, dependent conditional: 0, dependent unconditional: 747, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 624962, independent: 228003, independent conditional: 0, independent unconditional: 228003, dependent: 831, dependent conditional: 0, dependent unconditional: 831, unknown: 396128, unknown conditional: 0, unknown unconditional: 396128] , Statistics on independence cache: Total cache size (in pairs): 19757, Positive cache size: 19524, Positive conditional cache size: 0, Positive unconditional cache size: 19524, Negative cache size: 233, Negative conditional cache size: 0, Negative unconditional cache size: 233, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 10.7s, 1129 PlacesBefore, 479 PlacesAfterwards, 970 TransitionsBefore, 320 TransitionsAfterwards, 825550 CoEnabledTransitionPairs, 5 FixpointIterations, 15 TrivialSequentialCompositions, 633 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 5 ConcurrentYvCompositions, 0 ChoiceCompositions, 653 TotalNumberOfCompositions, 1299240 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 622397, independent: 620759, independent conditional: 0, independent unconditional: 620759, dependent: 1638, dependent conditional: 0, dependent unconditional: 1638, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 404315, independent: 403536, independent conditional: 0, independent unconditional: 403536, dependent: 779, dependent conditional: 0, dependent unconditional: 779, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 622397, independent: 217223, independent conditional: 0, independent unconditional: 217223, dependent: 859, dependent conditional: 0, dependent unconditional: 859, unknown: 404315, unknown conditional: 0, unknown unconditional: 404315] , Statistics on independence cache: Total cache size (in pairs): 19031, Positive cache size: 18795, Positive conditional cache size: 0, Positive unconditional cache size: 18795, Negative cache size: 236, Negative conditional cache size: 0, Negative unconditional cache size: 236, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 11.0s, 1143 PlacesBefore, 485 PlacesAfterwards, 982 TransitionsBefore, 324 TransitionsAfterwards, 846560 CoEnabledTransitionPairs, 5 FixpointIterations, 15 TrivialSequentialCompositions, 641 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 5 ConcurrentYvCompositions, 0 ChoiceCompositions, 661 TotalNumberOfCompositions, 1321416 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 620212, independent: 618573, independent conditional: 0, independent unconditional: 618573, dependent: 1639, dependent conditional: 0, dependent unconditional: 1639, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 405727, independent: 404974, independent conditional: 0, independent unconditional: 404974, dependent: 753, dependent conditional: 0, dependent unconditional: 753, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 620212, independent: 213599, independent conditional: 0, independent unconditional: 213599, dependent: 886, dependent conditional: 0, dependent unconditional: 886, unknown: 405727, unknown conditional: 0, unknown unconditional: 405727] , Statistics on independence cache: Total cache size (in pairs): 10205, Positive cache size: 9966, Positive conditional cache size: 0, Positive unconditional cache size: 9966, Negative cache size: 239, Negative conditional cache size: 0, Negative unconditional cache size: 239, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 11.1s, 1157 PlacesBefore, 491 PlacesAfterwards, 994 TransitionsBefore, 328 TransitionsAfterwards, 867834 CoEnabledTransitionPairs, 5 FixpointIterations, 15 TrivialSequentialCompositions, 649 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 5 ConcurrentYvCompositions, 0 ChoiceCompositions, 669 TotalNumberOfCompositions, 1382825 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 695422, independent: 693729, independent conditional: 0, independent unconditional: 693729, dependent: 1693, dependent conditional: 0, dependent unconditional: 1693, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 428169, independent: 427388, independent conditional: 0, independent unconditional: 427388, dependent: 781, dependent conditional: 0, dependent unconditional: 781, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 695422, independent: 266341, independent conditional: 0, independent unconditional: 266341, dependent: 912, dependent conditional: 0, dependent unconditional: 912, unknown: 428169, unknown conditional: 0, unknown unconditional: 428169] , Statistics on independence cache: Total cache size (in pairs): 23499, Positive cache size: 23257, Positive conditional cache size: 0, Positive unconditional cache size: 23257, Negative cache size: 242, Negative conditional cache size: 0, Negative unconditional cache size: 242, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 11.2s, 1171 PlacesBefore, 497 PlacesAfterwards, 1006 TransitionsBefore, 332 TransitionsAfterwards, 889372 CoEnabledTransitionPairs, 5 FixpointIterations, 15 TrivialSequentialCompositions, 657 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 5 ConcurrentYvCompositions, 0 ChoiceCompositions, 677 TotalNumberOfCompositions, 1390165 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 702206, independent: 700551, independent conditional: 0, independent unconditional: 700551, dependent: 1655, dependent conditional: 0, dependent unconditional: 1655, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 438645, independent: 437969, independent conditional: 0, independent unconditional: 437969, dependent: 676, dependent conditional: 0, dependent unconditional: 676, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 702206, independent: 262582, independent conditional: 0, independent unconditional: 262582, dependent: 979, dependent conditional: 0, dependent unconditional: 979, unknown: 438645, unknown conditional: 0, unknown unconditional: 438645] , Statistics on independence cache: Total cache size (in pairs): 23657, Positive cache size: 23412, Positive conditional cache size: 0, Positive unconditional cache size: 23412, Negative cache size: 245, Negative conditional cache size: 0, Negative unconditional cache size: 245, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 12.2s, 1185 PlacesBefore, 503 PlacesAfterwards, 1018 TransitionsBefore, 336 TransitionsAfterwards, 911174 CoEnabledTransitionPairs, 5 FixpointIterations, 15 TrivialSequentialCompositions, 665 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 5 ConcurrentYvCompositions, 0 ChoiceCompositions, 685 TotalNumberOfCompositions, 1373891 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 712724, independent: 711090, independent conditional: 0, independent unconditional: 711090, dependent: 1634, dependent conditional: 0, dependent unconditional: 1634, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 448637, independent: 447818, independent conditional: 0, independent unconditional: 447818, dependent: 819, dependent conditional: 0, dependent unconditional: 819, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 712724, independent: 263272, independent conditional: 0, independent unconditional: 263272, dependent: 815, dependent conditional: 0, dependent unconditional: 815, unknown: 448637, unknown conditional: 0, unknown unconditional: 448637] , Statistics on independence cache: Total cache size (in pairs): 23209, Positive cache size: 22961, Positive conditional cache size: 0, Positive unconditional cache size: 22961, Negative cache size: 248, Negative conditional cache size: 0, Negative unconditional cache size: 248, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 11.7s, 1199 PlacesBefore, 509 PlacesAfterwards, 1030 TransitionsBefore, 340 TransitionsAfterwards, 933240 CoEnabledTransitionPairs, 5 FixpointIterations, 15 TrivialSequentialCompositions, 673 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 5 ConcurrentYvCompositions, 0 ChoiceCompositions, 693 TotalNumberOfCompositions, 1473810 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 725683, independent: 723949, independent conditional: 0, independent unconditional: 723949, dependent: 1734, dependent conditional: 0, dependent unconditional: 1734, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 457307, independent: 456452, independent conditional: 0, independent unconditional: 456452, dependent: 855, dependent conditional: 0, dependent unconditional: 855, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 725683, independent: 267497, independent conditional: 0, independent unconditional: 267497, dependent: 879, dependent conditional: 0, dependent unconditional: 879, unknown: 457307, unknown conditional: 0, unknown unconditional: 457307] , Statistics on independence cache: Total cache size (in pairs): 21830, Positive cache size: 21579, Positive conditional cache size: 0, Positive unconditional cache size: 21579, Negative cache size: 251, Negative conditional cache size: 0, Negative unconditional cache size: 251, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 12.0s, 1213 PlacesBefore, 515 PlacesAfterwards, 1042 TransitionsBefore, 344 TransitionsAfterwards, 955570 CoEnabledTransitionPairs, 5 FixpointIterations, 15 TrivialSequentialCompositions, 681 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 5 ConcurrentYvCompositions, 0 ChoiceCompositions, 701 TotalNumberOfCompositions, 1469183 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 724513, independent: 722800, independent conditional: 0, independent unconditional: 722800, dependent: 1713, dependent conditional: 0, dependent unconditional: 1713, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 469283, independent: 468440, independent conditional: 0, independent unconditional: 468440, dependent: 843, dependent conditional: 0, dependent unconditional: 843, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 724513, independent: 254360, independent conditional: 0, independent unconditional: 254360, dependent: 870, dependent conditional: 0, dependent unconditional: 870, unknown: 469283, unknown conditional: 0, unknown unconditional: 469283] , Statistics on independence cache: Total cache size (in pairs): 21997, Positive cache size: 21743, Positive conditional cache size: 0, Positive unconditional cache size: 21743, Negative cache size: 254, Negative conditional cache size: 0, Negative unconditional cache size: 254, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 12.1s, 1227 PlacesBefore, 521 PlacesAfterwards, 1054 TransitionsBefore, 348 TransitionsAfterwards, 978164 CoEnabledTransitionPairs, 5 FixpointIterations, 15 TrivialSequentialCompositions, 689 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 5 ConcurrentYvCompositions, 0 ChoiceCompositions, 709 TotalNumberOfCompositions, 1550368 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 741342, independent: 739576, independent conditional: 0, independent unconditional: 739576, dependent: 1766, dependent conditional: 0, dependent unconditional: 1766, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 476318, independent: 475516, independent conditional: 0, independent unconditional: 475516, dependent: 802, dependent conditional: 0, dependent unconditional: 802, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 741342, independent: 264060, independent conditional: 0, independent unconditional: 264060, dependent: 964, dependent conditional: 0, dependent unconditional: 964, unknown: 476318, unknown conditional: 0, unknown unconditional: 476318] , Statistics on independence cache: Total cache size (in pairs): 19589, Positive cache size: 19332, Positive conditional cache size: 0, Positive unconditional cache size: 19332, Negative cache size: 257, Negative conditional cache size: 0, Negative unconditional cache size: 257, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 12.3s, 1241 PlacesBefore, 527 PlacesAfterwards, 1066 TransitionsBefore, 352 TransitionsAfterwards, 1001022 CoEnabledTransitionPairs, 5 FixpointIterations, 15 TrivialSequentialCompositions, 697 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 5 ConcurrentYvCompositions, 0 ChoiceCompositions, 717 TotalNumberOfCompositions, 1575663 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 725821, independent: 724017, independent conditional: 0, independent unconditional: 724017, dependent: 1804, dependent conditional: 0, dependent unconditional: 1804, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 479415, independent: 478529, independent conditional: 0, independent unconditional: 478529, dependent: 886, dependent conditional: 0, dependent unconditional: 886, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 725821, independent: 245488, independent conditional: 0, independent unconditional: 245488, dependent: 918, dependent conditional: 0, dependent unconditional: 918, unknown: 479415, unknown conditional: 0, unknown unconditional: 479415] , Statistics on independence cache: Total cache size (in pairs): 12302, Positive cache size: 11991, Positive conditional cache size: 0, Positive unconditional cache size: 11991, Negative cache size: 311, Negative conditional cache size: 0, Negative unconditional cache size: 311, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 12.7s, 1255 PlacesBefore, 533 PlacesAfterwards, 1078 TransitionsBefore, 356 TransitionsAfterwards, 1024144 CoEnabledTransitionPairs, 5 FixpointIterations, 16 TrivialSequentialCompositions, 705 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 4 ConcurrentYvCompositions, 0 ChoiceCompositions, 725 TotalNumberOfCompositions, 1604753 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 830947, independent: 829127, independent conditional: 0, independent unconditional: 829127, dependent: 1820, dependent conditional: 0, dependent unconditional: 1820, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 506217, independent: 505465, independent conditional: 0, independent unconditional: 505465, dependent: 752, dependent conditional: 0, dependent unconditional: 752, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 830947, independent: 323662, independent conditional: 0, independent unconditional: 323662, dependent: 1068, dependent conditional: 0, dependent unconditional: 1068, unknown: 506217, unknown conditional: 0, unknown unconditional: 506217] , Statistics on independence cache: Total cache size (in pairs): 27685, Positive cache size: 27422, Positive conditional cache size: 0, Positive unconditional cache size: 27422, Negative cache size: 263, Negative conditional cache size: 0, Negative unconditional cache size: 263, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 12.6s, 1269 PlacesBefore, 539 PlacesAfterwards, 1090 TransitionsBefore, 360 TransitionsAfterwards, 1047530 CoEnabledTransitionPairs, 5 FixpointIterations, 15 TrivialSequentialCompositions, 713 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 5 ConcurrentYvCompositions, 0 ChoiceCompositions, 733 TotalNumberOfCompositions, 1642278 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 832602, independent: 830768, independent conditional: 0, independent unconditional: 830768, dependent: 1834, dependent conditional: 0, dependent unconditional: 1834, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 517476, independent: 516656, independent conditional: 0, independent unconditional: 516656, dependent: 820, dependent conditional: 0, dependent unconditional: 820, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 832602, independent: 314112, independent conditional: 0, independent unconditional: 314112, dependent: 1014, dependent conditional: 0, dependent unconditional: 1014, unknown: 517476, unknown conditional: 0, unknown unconditional: 517476] , Statistics on independence cache: Total cache size (in pairs): 27915, Positive cache size: 27649, Positive conditional cache size: 0, Positive unconditional cache size: 27649, Negative cache size: 266, Negative conditional cache size: 0, Negative unconditional cache size: 266, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 12.6s, 1283 PlacesBefore, 545 PlacesAfterwards, 1102 TransitionsBefore, 364 TransitionsAfterwards, 1071180 CoEnabledTransitionPairs, 5 FixpointIterations, 15 TrivialSequentialCompositions, 721 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 5 ConcurrentYvCompositions, 0 ChoiceCompositions, 741 TotalNumberOfCompositions, 1650696 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 843270, independent: 841448, independent conditional: 0, independent unconditional: 841448, dependent: 1822, dependent conditional: 0, dependent unconditional: 1822, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 528218, independent: 527392, independent conditional: 0, independent unconditional: 527392, dependent: 826, dependent conditional: 0, dependent unconditional: 826, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 843270, independent: 314056, independent conditional: 0, independent unconditional: 314056, dependent: 996, dependent conditional: 0, dependent unconditional: 996, unknown: 528218, unknown conditional: 0, unknown unconditional: 528218] , Statistics on independence cache: Total cache size (in pairs): 28104, Positive cache size: 27835, Positive conditional cache size: 0, Positive unconditional cache size: 27835, Negative cache size: 269, Negative conditional cache size: 0, Negative unconditional cache size: 269, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 12.8s, 1297 PlacesBefore, 551 PlacesAfterwards, 1114 TransitionsBefore, 368 TransitionsAfterwards, 1095094 CoEnabledTransitionPairs, 5 FixpointIterations, 15 TrivialSequentialCompositions, 729 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 5 ConcurrentYvCompositions, 0 ChoiceCompositions, 749 TotalNumberOfCompositions, 1731272 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 859969, independent: 858068, independent conditional: 0, independent unconditional: 858068, dependent: 1901, dependent conditional: 0, dependent unconditional: 1901, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 539209, independent: 538206, independent conditional: 0, independent unconditional: 538206, dependent: 1003, dependent conditional: 0, dependent unconditional: 1003, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 859969, independent: 319862, independent conditional: 0, independent unconditional: 319862, dependent: 898, dependent conditional: 0, dependent unconditional: 898, unknown: 539209, unknown conditional: 0, unknown unconditional: 539209] , Statistics on independence cache: Total cache size (in pairs): 28026, Positive cache size: 27754, Positive conditional cache size: 0, Positive unconditional cache size: 27754, Negative cache size: 272, Negative conditional cache size: 0, Negative unconditional cache size: 272, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 13.5s, 1311 PlacesBefore, 557 PlacesAfterwards, 1126 TransitionsBefore, 372 TransitionsAfterwards, 1119272 CoEnabledTransitionPairs, 5 FixpointIterations, 15 TrivialSequentialCompositions, 737 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 5 ConcurrentYvCompositions, 0 ChoiceCompositions, 757 TotalNumberOfCompositions, 1771126 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 873937, independent: 872036, independent conditional: 0, independent unconditional: 872036, dependent: 1901, dependent conditional: 0, dependent unconditional: 1901, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 550240, independent: 549210, independent conditional: 0, independent unconditional: 549210, dependent: 1030, dependent conditional: 0, dependent unconditional: 1030, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 873937, independent: 322826, independent conditional: 0, independent unconditional: 322826, dependent: 871, dependent conditional: 0, dependent unconditional: 871, unknown: 550240, unknown conditional: 0, unknown unconditional: 550240] , Statistics on independence cache: Total cache size (in pairs): 27734, Positive cache size: 27459, Positive conditional cache size: 0, Positive unconditional cache size: 27459, Negative cache size: 275, Negative conditional cache size: 0, Negative unconditional cache size: 275, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 13.8s, 1325 PlacesBefore, 563 PlacesAfterwards, 1138 TransitionsBefore, 376 TransitionsAfterwards, 1143714 CoEnabledTransitionPairs, 5 FixpointIterations, 15 TrivialSequentialCompositions, 745 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 5 ConcurrentYvCompositions, 0 ChoiceCompositions, 765 TotalNumberOfCompositions, 1740128 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 900090, independent: 898238, independent conditional: 0, independent unconditional: 898238, dependent: 1852, dependent conditional: 0, dependent unconditional: 1852, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 562320, independent: 561292, independent conditional: 0, independent unconditional: 561292, dependent: 1028, dependent conditional: 0, dependent unconditional: 1028, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 900090, independent: 336946, independent conditional: 0, independent unconditional: 336946, dependent: 824, dependent conditional: 0, dependent unconditional: 824, unknown: 562320, unknown conditional: 0, unknown unconditional: 562320] , Statistics on independence cache: Total cache size (in pairs): 27446, Positive cache size: 27168, Positive conditional cache size: 0, Positive unconditional cache size: 27168, Negative cache size: 278, Negative conditional cache size: 0, Negative unconditional cache size: 278, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 13.6s, 1339 PlacesBefore, 569 PlacesAfterwards, 1150 TransitionsBefore, 380 TransitionsAfterwards, 1168420 CoEnabledTransitionPairs, 5 FixpointIterations, 15 TrivialSequentialCompositions, 753 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 5 ConcurrentYvCompositions, 0 ChoiceCompositions, 773 TotalNumberOfCompositions, 1820859 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 898267, independent: 896352, independent conditional: 0, independent unconditional: 896352, dependent: 1915, dependent conditional: 0, dependent unconditional: 1915, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 572546, independent: 571783, independent conditional: 0, independent unconditional: 571783, dependent: 763, dependent conditional: 0, dependent unconditional: 763, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 898267, independent: 324569, independent conditional: 0, independent unconditional: 324569, dependent: 1152, dependent conditional: 0, dependent unconditional: 1152, unknown: 572546, unknown conditional: 0, unknown unconditional: 572546] , Statistics on independence cache: Total cache size (in pairs): 27165, Positive cache size: 26884, Positive conditional cache size: 0, Positive unconditional cache size: 26884, Negative cache size: 281, Negative conditional cache size: 0, Negative unconditional cache size: 281, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 13.7s, 1353 PlacesBefore, 575 PlacesAfterwards, 1162 TransitionsBefore, 384 TransitionsAfterwards, 1193390 CoEnabledTransitionPairs, 5 FixpointIterations, 15 TrivialSequentialCompositions, 761 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 5 ConcurrentYvCompositions, 0 ChoiceCompositions, 781 TotalNumberOfCompositions, 1863117 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 933209, independent: 931273, independent conditional: 0, independent unconditional: 931273, dependent: 1936, dependent conditional: 0, dependent unconditional: 1936, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 585787, independent: 584758, independent conditional: 0, independent unconditional: 584758, dependent: 1029, dependent conditional: 0, dependent unconditional: 1029, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 933209, independent: 346515, independent conditional: 0, independent unconditional: 346515, dependent: 907, dependent conditional: 0, dependent unconditional: 907, unknown: 585787, unknown conditional: 0, unknown unconditional: 585787] , Statistics on independence cache: Total cache size (in pairs): 27455, Positive cache size: 27171, Positive conditional cache size: 0, Positive unconditional cache size: 27171, Negative cache size: 284, Negative conditional cache size: 0, Negative unconditional cache size: 284, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - TimeoutResultAtElement [Line: 718]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PetriNetUnfolder was constructing finite prefix that currently has 3984 conditions, 487 events (0/486 cut-off events. For 91881/91881 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 522 event pairs, 0 based on Foata normal form. 0/407 useless extension candidates. Maximal degree in co-relation 0. Up to 82 conditions per place.). - StatisticsResult: Ultimate Automizer benchmark data for thread instance sufficiency with 1 thread instances CFG has 3 procedures, 52 locations, 3 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: 1.2s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 1.1s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=17occurred in iteration=0, InterpolantAutomatonStates: 0, 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, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 4 NumberOfCodeBlocks, 4 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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 - StatisticsResult: Ultimate Automizer benchmark data for thread instance sufficiency with 2 thread instances CFG has 4 procedures, 64 locations, 4 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: 1.0s, OverallIterations: 1, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.9s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=36occurred in iteration=0, InterpolantAutomatonStates: 0, 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, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 8 NumberOfCodeBlocks, 8 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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 - StatisticsResult: Ultimate Automizer benchmark data for thread instance sufficiency with 3 thread instances CFG has 5 procedures, 76 locations, 5 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: 1.0s, OverallIterations: 1, TraceHistogramMax: 3, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 1.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=53occurred in iteration=0, InterpolantAutomatonStates: 0, 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, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 11 NumberOfCodeBlocks, 11 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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 - StatisticsResult: Ultimate Automizer benchmark data for thread instance sufficiency with 4 thread instances CFG has 6 procedures, 88 locations, 6 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: 1.1s, OverallIterations: 1, TraceHistogramMax: 4, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 1.1s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=72occurred in iteration=0, InterpolantAutomatonStates: 0, 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, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 14 NumberOfCodeBlocks, 14 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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 - StatisticsResult: Ultimate Automizer benchmark data for thread instance sufficiency with 5 thread instances CFG has 7 procedures, 100 locations, 7 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: 1.2s, OverallIterations: 1, TraceHistogramMax: 5, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 1.1s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=93occurred in iteration=0, InterpolantAutomatonStates: 0, 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, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 17 NumberOfCodeBlocks, 17 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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 - StatisticsResult: Ultimate Automizer benchmark data for thread instance sufficiency with 6 thread instances CFG has 8 procedures, 112 locations, 8 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: 1.4s, OverallIterations: 1, TraceHistogramMax: 6, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 1.3s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=116occurred in iteration=0, InterpolantAutomatonStates: 0, 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, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 20 NumberOfCodeBlocks, 20 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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 - StatisticsResult: Ultimate Automizer benchmark data for thread instance sufficiency with 7 thread instances CFG has 9 procedures, 124 locations, 9 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: 1.3s, OverallIterations: 1, TraceHistogramMax: 7, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 1.3s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=141occurred in iteration=0, InterpolantAutomatonStates: 0, 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, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 23 NumberOfCodeBlocks, 23 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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 - StatisticsResult: Ultimate Automizer benchmark data for thread instance sufficiency with 8 thread instances CFG has 10 procedures, 136 locations, 10 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: 1.4s, OverallIterations: 1, TraceHistogramMax: 8, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 1.4s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=168occurred in iteration=0, InterpolantAutomatonStates: 0, 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, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 26 NumberOfCodeBlocks, 26 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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 - StatisticsResult: Ultimate Automizer benchmark data for thread instance sufficiency with 9 thread instances CFG has 11 procedures, 148 locations, 11 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: 1.6s, OverallIterations: 1, TraceHistogramMax: 9, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 1.5s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=197occurred in iteration=0, InterpolantAutomatonStates: 0, 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, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 29 NumberOfCodeBlocks, 29 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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 - StatisticsResult: Ultimate Automizer benchmark data for thread instance sufficiency with 10 thread instances CFG has 12 procedures, 160 locations, 12 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: 1.8s, OverallIterations: 1, TraceHistogramMax: 10, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 1.8s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=228occurred in iteration=0, InterpolantAutomatonStates: 0, 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, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 32 NumberOfCodeBlocks, 32 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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 - StatisticsResult: Ultimate Automizer benchmark data for thread instance sufficiency with 11 thread instances CFG has 13 procedures, 172 locations, 13 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: 1.8s, OverallIterations: 1, TraceHistogramMax: 11, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 1.8s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=261occurred in iteration=0, InterpolantAutomatonStates: 0, 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, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 35 NumberOfCodeBlocks, 35 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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 - StatisticsResult: Ultimate Automizer benchmark data for thread instance sufficiency with 12 thread instances CFG has 14 procedures, 184 locations, 14 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: 1.9s, OverallIterations: 1, TraceHistogramMax: 12, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 1.9s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=296occurred in iteration=0, InterpolantAutomatonStates: 0, 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, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 38 NumberOfCodeBlocks, 38 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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 - StatisticsResult: Ultimate Automizer benchmark data for thread instance sufficiency with 13 thread instances CFG has 15 procedures, 196 locations, 15 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: 2.1s, OverallIterations: 1, TraceHistogramMax: 13, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 2.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=333occurred in iteration=0, InterpolantAutomatonStates: 0, 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, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 41 NumberOfCodeBlocks, 41 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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 - StatisticsResult: Ultimate Automizer benchmark data for thread instance sufficiency with 14 thread instances CFG has 16 procedures, 208 locations, 16 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: 2.1s, OverallIterations: 1, TraceHistogramMax: 14, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 2.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=372occurred in iteration=0, InterpolantAutomatonStates: 0, 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, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 44 NumberOfCodeBlocks, 44 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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 - StatisticsResult: Ultimate Automizer benchmark data for thread instance sufficiency with 15 thread instances CFG has 17 procedures, 220 locations, 17 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: 2.3s, OverallIterations: 1, TraceHistogramMax: 15, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 2.3s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=413occurred in iteration=0, InterpolantAutomatonStates: 0, 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, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 47 NumberOfCodeBlocks, 47 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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 - StatisticsResult: Ultimate Automizer benchmark data for thread instance sufficiency with 16 thread instances CFG has 18 procedures, 232 locations, 18 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: 2.3s, OverallIterations: 1, TraceHistogramMax: 16, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 2.3s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=456occurred in iteration=0, InterpolantAutomatonStates: 0, 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, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 50 NumberOfCodeBlocks, 50 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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 - StatisticsResult: Ultimate Automizer benchmark data for thread instance sufficiency with 17 thread instances CFG has 19 procedures, 244 locations, 19 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: 2.5s, OverallIterations: 1, TraceHistogramMax: 17, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 2.5s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=501occurred in iteration=0, InterpolantAutomatonStates: 0, 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, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 53 NumberOfCodeBlocks, 53 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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 - StatisticsResult: Ultimate Automizer benchmark data for thread instance sufficiency with 18 thread instances CFG has 20 procedures, 256 locations, 20 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: 2.6s, OverallIterations: 1, TraceHistogramMax: 18, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 2.5s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=548occurred in iteration=0, InterpolantAutomatonStates: 0, 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, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 56 NumberOfCodeBlocks, 56 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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 - StatisticsResult: Ultimate Automizer benchmark data for thread instance sufficiency with 19 thread instances CFG has 21 procedures, 268 locations, 21 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: 2.6s, OverallIterations: 1, TraceHistogramMax: 19, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 2.6s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=597occurred in iteration=0, InterpolantAutomatonStates: 0, 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, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 59 NumberOfCodeBlocks, 59 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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 - StatisticsResult: Ultimate Automizer benchmark data for thread instance sufficiency with 20 thread instances CFG has 22 procedures, 280 locations, 22 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: 2.9s, OverallIterations: 1, TraceHistogramMax: 20, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 2.8s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=648occurred in iteration=0, InterpolantAutomatonStates: 0, 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, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 62 NumberOfCodeBlocks, 62 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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 - StatisticsResult: Ultimate Automizer benchmark data for thread instance sufficiency with 21 thread instances CFG has 23 procedures, 292 locations, 23 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: 2.8s, OverallIterations: 1, TraceHistogramMax: 21, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 2.8s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=701occurred in iteration=0, InterpolantAutomatonStates: 0, 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, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 65 NumberOfCodeBlocks, 65 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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 - StatisticsResult: Ultimate Automizer benchmark data for thread instance sufficiency with 22 thread instances CFG has 24 procedures, 304 locations, 24 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 3.1s, OverallIterations: 1, TraceHistogramMax: 22, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 3.1s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=756occurred in iteration=0, InterpolantAutomatonStates: 0, 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, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 68 NumberOfCodeBlocks, 68 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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 - StatisticsResult: Ultimate Automizer benchmark data for thread instance sufficiency with 23 thread instances CFG has 25 procedures, 316 locations, 25 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 3.2s, OverallIterations: 1, TraceHistogramMax: 23, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 3.1s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=813occurred in iteration=0, InterpolantAutomatonStates: 0, 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, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 71 NumberOfCodeBlocks, 71 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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 - StatisticsResult: Ultimate Automizer benchmark data for thread instance sufficiency with 24 thread instances CFG has 26 procedures, 328 locations, 26 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 3.2s, OverallIterations: 1, TraceHistogramMax: 24, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 3.2s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=872occurred in iteration=0, InterpolantAutomatonStates: 0, 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, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 74 NumberOfCodeBlocks, 74 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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 - StatisticsResult: Ultimate Automizer benchmark data for thread instance sufficiency with 25 thread instances CFG has 27 procedures, 340 locations, 27 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 3.5s, OverallIterations: 1, TraceHistogramMax: 25, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 3.4s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=933occurred in iteration=0, InterpolantAutomatonStates: 0, 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, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 77 NumberOfCodeBlocks, 77 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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 - StatisticsResult: Ultimate Automizer benchmark data for thread instance sufficiency with 26 thread instances CFG has 28 procedures, 352 locations, 28 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 3.6s, OverallIterations: 1, TraceHistogramMax: 26, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 3.5s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=996occurred in iteration=0, InterpolantAutomatonStates: 0, 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, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 80 NumberOfCodeBlocks, 80 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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 - StatisticsResult: Ultimate Automizer benchmark data for thread instance sufficiency with 27 thread instances CFG has 29 procedures, 364 locations, 29 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 3.6s, OverallIterations: 1, TraceHistogramMax: 27, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 3.5s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1061occurred in iteration=0, InterpolantAutomatonStates: 0, 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, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 83 NumberOfCodeBlocks, 83 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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 - StatisticsResult: Ultimate Automizer benchmark data for thread instance sufficiency with 28 thread instances CFG has 30 procedures, 376 locations, 30 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 3.8s, OverallIterations: 1, TraceHistogramMax: 28, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 3.7s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1128occurred in iteration=0, InterpolantAutomatonStates: 0, 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, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 86 NumberOfCodeBlocks, 86 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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 - StatisticsResult: Ultimate Automizer benchmark data for thread instance sufficiency with 29 thread instances CFG has 31 procedures, 388 locations, 31 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: 4.0s, OverallIterations: 1, TraceHistogramMax: 29, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 3.9s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1197occurred in iteration=0, InterpolantAutomatonStates: 0, 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, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 89 NumberOfCodeBlocks, 89 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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 - StatisticsResult: Ultimate Automizer benchmark data for thread instance sufficiency with 30 thread instances CFG has 32 procedures, 400 locations, 32 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.1s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 4.2s, OverallIterations: 1, TraceHistogramMax: 30, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 4.1s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1268occurred in iteration=0, InterpolantAutomatonStates: 0, 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, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 92 NumberOfCodeBlocks, 92 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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 - StatisticsResult: Ultimate Automizer benchmark data for thread instance sufficiency with 31 thread instances CFG has 33 procedures, 412 locations, 33 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: 4.2s, OverallIterations: 1, TraceHistogramMax: 31, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 4.1s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1341occurred in iteration=0, InterpolantAutomatonStates: 0, 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, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 95 NumberOfCodeBlocks, 95 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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 - StatisticsResult: Ultimate Automizer benchmark data for thread instance sufficiency with 32 thread instances CFG has 34 procedures, 424 locations, 34 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: 4.4s, OverallIterations: 1, TraceHistogramMax: 32, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 4.3s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1416occurred in iteration=0, InterpolantAutomatonStates: 0, 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, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 98 NumberOfCodeBlocks, 98 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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 - StatisticsResult: Ultimate Automizer benchmark data for thread instance sufficiency with 33 thread instances CFG has 35 procedures, 436 locations, 35 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: 4.5s, OverallIterations: 1, TraceHistogramMax: 33, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 4.4s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1493occurred in iteration=0, InterpolantAutomatonStates: 0, 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, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 101 NumberOfCodeBlocks, 101 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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 - StatisticsResult: Ultimate Automizer benchmark data for thread instance sufficiency with 34 thread instances CFG has 36 procedures, 448 locations, 36 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: 4.7s, OverallIterations: 1, TraceHistogramMax: 34, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 4.5s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1572occurred in iteration=0, InterpolantAutomatonStates: 0, 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, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 104 NumberOfCodeBlocks, 104 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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 - StatisticsResult: Ultimate Automizer benchmark data for thread instance sufficiency with 35 thread instances CFG has 37 procedures, 460 locations, 37 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: 4.9s, OverallIterations: 1, TraceHistogramMax: 35, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 4.8s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1653occurred in iteration=0, InterpolantAutomatonStates: 0, 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, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 107 NumberOfCodeBlocks, 107 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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 - StatisticsResult: Ultimate Automizer benchmark data for thread instance sufficiency with 36 thread instances CFG has 38 procedures, 472 locations, 38 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: 4.8s, OverallIterations: 1, TraceHistogramMax: 36, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 4.7s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1736occurred in iteration=0, InterpolantAutomatonStates: 0, 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, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 110 NumberOfCodeBlocks, 110 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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 - StatisticsResult: Ultimate Automizer benchmark data for thread instance sufficiency with 37 thread instances CFG has 39 procedures, 484 locations, 39 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: 5.1s, OverallIterations: 1, TraceHistogramMax: 37, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 4.9s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1821occurred in iteration=0, InterpolantAutomatonStates: 0, 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, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 113 NumberOfCodeBlocks, 113 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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 - StatisticsResult: Ultimate Automizer benchmark data for thread instance sufficiency with 38 thread instances CFG has 40 procedures, 496 locations, 40 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: 5.2s, OverallIterations: 1, TraceHistogramMax: 38, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 5.1s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1908occurred in iteration=0, InterpolantAutomatonStates: 0, 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, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 116 NumberOfCodeBlocks, 116 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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 - StatisticsResult: Ultimate Automizer benchmark data for thread instance sufficiency with 39 thread instances CFG has 41 procedures, 508 locations, 41 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: 5.4s, OverallIterations: 1, TraceHistogramMax: 39, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 5.3s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1997occurred in iteration=0, InterpolantAutomatonStates: 0, 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, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 119 NumberOfCodeBlocks, 119 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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 - StatisticsResult: Ultimate Automizer benchmark data for thread instance sufficiency with 40 thread instances CFG has 42 procedures, 520 locations, 42 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: 5.5s, OverallIterations: 1, TraceHistogramMax: 40, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 5.4s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2088occurred in iteration=0, InterpolantAutomatonStates: 0, 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, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 122 NumberOfCodeBlocks, 122 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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 - StatisticsResult: Ultimate Automizer benchmark data for thread instance sufficiency with 41 thread instances CFG has 43 procedures, 532 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: 5.8s, OverallIterations: 1, TraceHistogramMax: 41, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 5.6s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2181occurred in iteration=0, InterpolantAutomatonStates: 0, 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, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 125 NumberOfCodeBlocks, 125 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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 - StatisticsResult: Ultimate Automizer benchmark data for thread instance sufficiency with 42 thread instances CFG has 44 procedures, 544 locations, 44 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: 5.7s, OverallIterations: 1, TraceHistogramMax: 42, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 5.6s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2276occurred in iteration=0, InterpolantAutomatonStates: 0, 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, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 128 NumberOfCodeBlocks, 128 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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 - StatisticsResult: Ultimate Automizer benchmark data for thread instance sufficiency with 43 thread instances CFG has 45 procedures, 556 locations, 45 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: 5.8s, OverallIterations: 1, TraceHistogramMax: 43, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 5.7s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2373occurred in iteration=0, InterpolantAutomatonStates: 0, 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, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 131 NumberOfCodeBlocks, 131 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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 - StatisticsResult: Ultimate Automizer benchmark data for thread instance sufficiency with 44 thread instances CFG has 46 procedures, 568 locations, 46 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 6.1s, OverallIterations: 1, TraceHistogramMax: 44, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 6.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2472occurred in iteration=0, InterpolantAutomatonStates: 0, 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, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 134 NumberOfCodeBlocks, 134 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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 - StatisticsResult: Ultimate Automizer benchmark data for thread instance sufficiency with 45 thread instances CFG has 47 procedures, 580 locations, 47 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: 6.1s, OverallIterations: 1, TraceHistogramMax: 45, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 6.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2573occurred in iteration=0, InterpolantAutomatonStates: 0, 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, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 137 NumberOfCodeBlocks, 137 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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 - StatisticsResult: Ultimate Automizer benchmark data for thread instance sufficiency with 46 thread instances CFG has 48 procedures, 592 locations, 48 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: 6.4s, OverallIterations: 1, TraceHistogramMax: 46, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 6.3s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2676occurred in iteration=0, InterpolantAutomatonStates: 0, 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, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 140 NumberOfCodeBlocks, 140 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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 - StatisticsResult: Ultimate Automizer benchmark data for thread instance sufficiency with 47 thread instances CFG has 49 procedures, 604 locations, 49 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: 6.4s, OverallIterations: 1, TraceHistogramMax: 47, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 6.2s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2781occurred in iteration=0, InterpolantAutomatonStates: 0, 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, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 143 NumberOfCodeBlocks, 143 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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 - StatisticsResult: Ultimate Automizer benchmark data for thread instance sufficiency with 48 thread instances CFG has 50 procedures, 616 locations, 50 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.1s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 6.5s, OverallIterations: 1, TraceHistogramMax: 48, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 6.4s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2888occurred in iteration=0, InterpolantAutomatonStates: 0, 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, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 146 NumberOfCodeBlocks, 146 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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 - StatisticsResult: Ultimate Automizer benchmark data for thread instance sufficiency with 49 thread instances CFG has 51 procedures, 628 locations, 51 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.1s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 6.7s, OverallIterations: 1, TraceHistogramMax: 49, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 6.5s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2997occurred in iteration=0, InterpolantAutomatonStates: 0, 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, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 149 NumberOfCodeBlocks, 149 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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 - StatisticsResult: Ultimate Automizer benchmark data for thread instance sufficiency with 50 thread instances CFG has 52 procedures, 640 locations, 52 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.1s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 6.9s, OverallIterations: 1, TraceHistogramMax: 50, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 6.8s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3108occurred in iteration=0, InterpolantAutomatonStates: 0, 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, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 152 NumberOfCodeBlocks, 152 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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 - StatisticsResult: Ultimate Automizer benchmark data for thread instance sufficiency with 51 thread instances CFG has 53 procedures, 652 locations, 53 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.1s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 7.1s, OverallIterations: 1, TraceHistogramMax: 51, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 6.9s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3221occurred in iteration=0, InterpolantAutomatonStates: 0, 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, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 155 NumberOfCodeBlocks, 155 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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 - StatisticsResult: Ultimate Automizer benchmark data for thread instance sufficiency with 52 thread instances CFG has 54 procedures, 664 locations, 54 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.1s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 7.3s, OverallIterations: 1, TraceHistogramMax: 52, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 7.1s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3336occurred in iteration=0, InterpolantAutomatonStates: 0, 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, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 158 NumberOfCodeBlocks, 158 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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 - StatisticsResult: Ultimate Automizer benchmark data for thread instance sufficiency with 53 thread instances CFG has 55 procedures, 676 locations, 55 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.1s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 7.4s, OverallIterations: 1, TraceHistogramMax: 53, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 7.2s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3453occurred in iteration=0, InterpolantAutomatonStates: 0, 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, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 161 NumberOfCodeBlocks, 161 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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 - StatisticsResult: Ultimate Automizer benchmark data for thread instance sufficiency with 54 thread instances CFG has 56 procedures, 688 locations, 56 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.1s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 7.5s, OverallIterations: 1, TraceHistogramMax: 54, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 7.3s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3572occurred in iteration=0, InterpolantAutomatonStates: 0, 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, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 164 NumberOfCodeBlocks, 164 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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 - StatisticsResult: Ultimate Automizer benchmark data for thread instance sufficiency with 55 thread instances CFG has 57 procedures, 700 locations, 57 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.1s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 7.8s, OverallIterations: 1, TraceHistogramMax: 55, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 7.6s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3693occurred in iteration=0, InterpolantAutomatonStates: 0, 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, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 167 NumberOfCodeBlocks, 167 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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 - StatisticsResult: Ultimate Automizer benchmark data for thread instance sufficiency with 56 thread instances CFG has 58 procedures, 712 locations, 58 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.1s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 7.8s, OverallIterations: 1, TraceHistogramMax: 56, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 7.6s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3816occurred in iteration=0, InterpolantAutomatonStates: 0, 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, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 170 NumberOfCodeBlocks, 170 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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 - StatisticsResult: Ultimate Automizer benchmark data for thread instance sufficiency with 57 thread instances CFG has 59 procedures, 724 locations, 59 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.1s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 8.1s, OverallIterations: 1, TraceHistogramMax: 57, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 7.9s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3941occurred in iteration=0, InterpolantAutomatonStates: 0, 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, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 173 NumberOfCodeBlocks, 173 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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 - StatisticsResult: Ultimate Automizer benchmark data for thread instance sufficiency with 58 thread instances CFG has 60 procedures, 736 locations, 60 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.1s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 8.3s, OverallIterations: 1, TraceHistogramMax: 58, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 8.1s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=4068occurred in iteration=0, InterpolantAutomatonStates: 0, 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, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 176 NumberOfCodeBlocks, 176 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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 - StatisticsResult: Ultimate Automizer benchmark data for thread instance sufficiency with 59 thread instances CFG has 61 procedures, 748 locations, 61 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.1s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 8.3s, OverallIterations: 1, TraceHistogramMax: 59, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 8.1s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=4197occurred in iteration=0, InterpolantAutomatonStates: 0, 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, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 179 NumberOfCodeBlocks, 179 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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 - StatisticsResult: Ultimate Automizer benchmark data for thread instance sufficiency with 60 thread instances CFG has 62 procedures, 760 locations, 62 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.1s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 8.6s, OverallIterations: 1, TraceHistogramMax: 60, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 8.4s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=4328occurred in iteration=0, InterpolantAutomatonStates: 0, 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, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 182 NumberOfCodeBlocks, 182 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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 - StatisticsResult: Ultimate Automizer benchmark data for thread instance sufficiency with 61 thread instances CFG has 63 procedures, 772 locations, 63 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.1s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 8.7s, OverallIterations: 1, TraceHistogramMax: 61, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 8.5s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=4461occurred in iteration=0, InterpolantAutomatonStates: 0, 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, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 185 NumberOfCodeBlocks, 185 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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 - StatisticsResult: Ultimate Automizer benchmark data for thread instance sufficiency with 62 thread instances CFG has 64 procedures, 784 locations, 64 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.1s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 9.0s, OverallIterations: 1, TraceHistogramMax: 62, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 8.8s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=4596occurred in iteration=0, InterpolantAutomatonStates: 0, 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, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 188 NumberOfCodeBlocks, 188 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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 - StatisticsResult: Ultimate Automizer benchmark data for thread instance sufficiency with 63 thread instances CFG has 65 procedures, 796 locations, 65 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.1s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 9.3s, OverallIterations: 1, TraceHistogramMax: 63, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 9.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=4733occurred in iteration=0, InterpolantAutomatonStates: 0, 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, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 191 NumberOfCodeBlocks, 191 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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 - StatisticsResult: Ultimate Automizer benchmark data for thread instance sufficiency with 64 thread instances CFG has 66 procedures, 808 locations, 66 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.1s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 9.2s, OverallIterations: 1, TraceHistogramMax: 64, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 9.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=4872occurred in iteration=0, InterpolantAutomatonStates: 0, 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, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 194 NumberOfCodeBlocks, 194 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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 - StatisticsResult: Ultimate Automizer benchmark data for thread instance sufficiency with 65 thread instances CFG has 67 procedures, 820 locations, 67 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.1s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 9.5s, OverallIterations: 1, TraceHistogramMax: 65, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 9.2s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=5013occurred in iteration=0, InterpolantAutomatonStates: 0, 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, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 197 NumberOfCodeBlocks, 197 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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 - StatisticsResult: Ultimate Automizer benchmark data for thread instance sufficiency with 66 thread instances CFG has 68 procedures, 832 locations, 68 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.1s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 9.9s, OverallIterations: 1, TraceHistogramMax: 66, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 9.7s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=5156occurred in iteration=0, InterpolantAutomatonStates: 0, 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, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 200 NumberOfCodeBlocks, 200 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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 - StatisticsResult: Ultimate Automizer benchmark data for thread instance sufficiency with 67 thread instances CFG has 69 procedures, 844 locations, 69 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.1s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 9.9s, OverallIterations: 1, TraceHistogramMax: 67, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 9.6s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=5301occurred in iteration=0, InterpolantAutomatonStates: 0, 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, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 203 NumberOfCodeBlocks, 203 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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 - StatisticsResult: Ultimate Automizer benchmark data for thread instance sufficiency with 68 thread instances CFG has 70 procedures, 856 locations, 70 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.1s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 10.0s, OverallIterations: 1, TraceHistogramMax: 68, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 9.7s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=5448occurred in iteration=0, InterpolantAutomatonStates: 0, 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, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 206 NumberOfCodeBlocks, 206 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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 - StatisticsResult: Ultimate Automizer benchmark data for thread instance sufficiency with 69 thread instances CFG has 71 procedures, 868 locations, 71 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.1s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 10.3s, OverallIterations: 1, TraceHistogramMax: 69, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 10.1s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=5597occurred in iteration=0, InterpolantAutomatonStates: 0, 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, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 209 NumberOfCodeBlocks, 209 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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 - StatisticsResult: Ultimate Automizer benchmark data for thread instance sufficiency with 70 thread instances CFG has 72 procedures, 880 locations, 72 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.1s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 10.4s, OverallIterations: 1, TraceHistogramMax: 70, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 10.2s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=5748occurred in iteration=0, InterpolantAutomatonStates: 0, 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, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 212 NumberOfCodeBlocks, 212 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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 - StatisticsResult: Ultimate Automizer benchmark data for thread instance sufficiency with 71 thread instances CFG has 73 procedures, 892 locations, 73 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.2s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 10.6s, OverallIterations: 1, TraceHistogramMax: 71, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 10.2s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=5901occurred in iteration=0, InterpolantAutomatonStates: 0, 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, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 215 NumberOfCodeBlocks, 215 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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 - StatisticsResult: Ultimate Automizer benchmark data for thread instance sufficiency with 72 thread instances CFG has 74 procedures, 904 locations, 74 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.1s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 10.9s, OverallIterations: 1, TraceHistogramMax: 72, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 10.5s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=6056occurred in iteration=0, InterpolantAutomatonStates: 0, 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, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 218 NumberOfCodeBlocks, 218 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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 - StatisticsResult: Ultimate Automizer benchmark data for thread instance sufficiency with 73 thread instances CFG has 75 procedures, 916 locations, 75 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.1s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 11.0s, OverallIterations: 1, TraceHistogramMax: 73, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 10.7s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=6213occurred in iteration=0, InterpolantAutomatonStates: 0, 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, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 221 NumberOfCodeBlocks, 221 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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 - StatisticsResult: Ultimate Automizer benchmark data for thread instance sufficiency with 74 thread instances CFG has 76 procedures, 928 locations, 76 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.1s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 11.5s, OverallIterations: 1, TraceHistogramMax: 74, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 11.2s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=6372occurred in iteration=0, InterpolantAutomatonStates: 0, 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, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 224 NumberOfCodeBlocks, 224 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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 - StatisticsResult: Ultimate Automizer benchmark data for thread instance sufficiency with 75 thread instances CFG has 77 procedures, 940 locations, 77 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.1s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 11.5s, OverallIterations: 1, TraceHistogramMax: 75, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 11.2s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=6533occurred in iteration=0, InterpolantAutomatonStates: 0, 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, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 227 NumberOfCodeBlocks, 227 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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 - StatisticsResult: Ultimate Automizer benchmark data for thread instance sufficiency with 76 thread instances CFG has 78 procedures, 952 locations, 78 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.1s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 11.7s, OverallIterations: 1, TraceHistogramMax: 76, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 11.3s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=6696occurred in iteration=0, InterpolantAutomatonStates: 0, 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, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 230 NumberOfCodeBlocks, 230 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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 - StatisticsResult: Ultimate Automizer benchmark data for thread instance sufficiency with 77 thread instances CFG has 79 procedures, 964 locations, 79 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.1s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 11.8s, OverallIterations: 1, TraceHistogramMax: 77, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 11.5s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=6861occurred in iteration=0, InterpolantAutomatonStates: 0, 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, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 233 NumberOfCodeBlocks, 233 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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 - StatisticsResult: Ultimate Automizer benchmark data for thread instance sufficiency with 78 thread instances CFG has 80 procedures, 976 locations, 80 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.1s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 12.0s, OverallIterations: 1, TraceHistogramMax: 78, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 11.6s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=7028occurred in iteration=0, InterpolantAutomatonStates: 0, 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, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 236 NumberOfCodeBlocks, 236 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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 - StatisticsResult: Ultimate Automizer benchmark data for thread instance sufficiency with 79 thread instances CFG has 81 procedures, 988 locations, 81 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.2s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 12.3s, OverallIterations: 1, TraceHistogramMax: 79, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 11.9s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=7197occurred in iteration=0, InterpolantAutomatonStates: 0, 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, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 239 NumberOfCodeBlocks, 239 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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 - StatisticsResult: Ultimate Automizer benchmark data for thread instance sufficiency with 80 thread instances CFG has 82 procedures, 1000 locations, 82 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.2s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 12.6s, OverallIterations: 1, TraceHistogramMax: 80, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 12.2s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=7368occurred in iteration=0, InterpolantAutomatonStates: 0, 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, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 242 NumberOfCodeBlocks, 242 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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 - StatisticsResult: Ultimate Automizer benchmark data for thread instance sufficiency with 81 thread instances CFG has 83 procedures, 1012 locations, 83 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.2s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 12.9s, OverallIterations: 1, TraceHistogramMax: 81, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 12.4s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=7541occurred in iteration=0, InterpolantAutomatonStates: 0, 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, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 245 NumberOfCodeBlocks, 245 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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 - StatisticsResult: Ultimate Automizer benchmark data for thread instance sufficiency with 82 thread instances CFG has 84 procedures, 1024 locations, 84 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.2s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 12.9s, OverallIterations: 1, TraceHistogramMax: 82, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 12.5s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=7716occurred in iteration=0, InterpolantAutomatonStates: 0, 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, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 248 NumberOfCodeBlocks, 248 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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 - StatisticsResult: Ultimate Automizer benchmark data for thread instance sufficiency with 83 thread instances CFG has 85 procedures, 1036 locations, 85 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.3s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 14.2s, OverallIterations: 1, TraceHistogramMax: 83, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 13.7s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=7893occurred in iteration=0, InterpolantAutomatonStates: 0, 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, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 251 NumberOfCodeBlocks, 251 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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 - StatisticsResult: Ultimate Automizer benchmark data for thread instance sufficiency with 84 thread instances CFG has 86 procedures, 1048 locations, 86 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.2s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 13.7s, OverallIterations: 1, TraceHistogramMax: 84, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 13.3s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=8072occurred in iteration=0, InterpolantAutomatonStates: 0, 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, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 254 NumberOfCodeBlocks, 254 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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 - StatisticsResult: Ultimate Automizer benchmark data for thread instance sufficiency with 85 thread instances CFG has 87 procedures, 1060 locations, 87 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.2s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 14.1s, OverallIterations: 1, TraceHistogramMax: 85, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 13.6s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=8253occurred in iteration=0, InterpolantAutomatonStates: 0, 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, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 257 NumberOfCodeBlocks, 257 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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 - StatisticsResult: Ultimate Automizer benchmark data for thread instance sufficiency with 86 thread instances CFG has 88 procedures, 1072 locations, 88 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.2s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 14.2s, OverallIterations: 1, TraceHistogramMax: 86, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 13.7s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=8436occurred in iteration=0, InterpolantAutomatonStates: 0, 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, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 260 NumberOfCodeBlocks, 260 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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 - StatisticsResult: Ultimate Automizer benchmark data for thread instance sufficiency with 87 thread instances CFG has 89 procedures, 1084 locations, 89 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.2s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 14.5s, OverallIterations: 1, TraceHistogramMax: 87, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 14.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=8621occurred in iteration=0, InterpolantAutomatonStates: 0, 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, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 263 NumberOfCodeBlocks, 263 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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 - StatisticsResult: Ultimate Automizer benchmark data for thread instance sufficiency with 88 thread instances CFG has 90 procedures, 1096 locations, 90 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.2s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 14.9s, OverallIterations: 1, TraceHistogramMax: 88, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 14.4s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=8808occurred in iteration=0, InterpolantAutomatonStates: 0, 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, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 266 NumberOfCodeBlocks, 266 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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 - StatisticsResult: Ultimate Automizer benchmark data for thread instance sufficiency with 89 thread instances CFG has 91 procedures, 1108 locations, 91 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.2s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 14.8s, OverallIterations: 1, TraceHistogramMax: 89, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 14.3s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=8997occurred in iteration=0, InterpolantAutomatonStates: 0, 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, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 269 NumberOfCodeBlocks, 269 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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 - StatisticsResult: Ultimate Automizer benchmark data for thread instance sufficiency with 90 thread instances CFG has 92 procedures, 1120 locations, 92 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.2s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 15.0s, OverallIterations: 1, TraceHistogramMax: 90, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 14.4s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=9188occurred in iteration=0, InterpolantAutomatonStates: 0, 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, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 272 NumberOfCodeBlocks, 272 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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 - StatisticsResult: Ultimate Automizer benchmark data for thread instance sufficiency with 91 thread instances CFG has 93 procedures, 1132 locations, 93 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.2s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 15.2s, OverallIterations: 1, TraceHistogramMax: 91, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 14.7s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=9381occurred in iteration=0, InterpolantAutomatonStates: 0, 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, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 275 NumberOfCodeBlocks, 275 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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 - StatisticsResult: Ultimate Automizer benchmark data for thread instance sufficiency with 92 thread instances CFG has 94 procedures, 1144 locations, 94 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.3s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 16.1s, OverallIterations: 1, TraceHistogramMax: 92, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 15.4s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=9576occurred in iteration=0, InterpolantAutomatonStates: 0, 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, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 278 NumberOfCodeBlocks, 278 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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 - StatisticsResult: Ultimate Automizer benchmark data for thread instance sufficiency with 93 thread instances CFG has 95 procedures, 1156 locations, 95 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.2s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 16.3s, OverallIterations: 1, TraceHistogramMax: 93, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 15.7s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=9773occurred in iteration=0, InterpolantAutomatonStates: 0, 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, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 281 NumberOfCodeBlocks, 281 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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 - StatisticsResult: Ultimate Automizer benchmark data for thread instance sufficiency with 94 thread instances CFG has 96 procedures, 1168 locations, 96 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.3s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 16.2s, OverallIterations: 1, TraceHistogramMax: 94, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 15.6s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=9972occurred in iteration=0, InterpolantAutomatonStates: 0, 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, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 284 NumberOfCodeBlocks, 284 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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 - StatisticsResult: Ultimate Automizer benchmark data for thread instance sufficiency with 95 thread instances CFG has 97 procedures, 1180 locations, 97 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.2s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 15.8s, OverallIterations: 0, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 15.6s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=10173occurred in iteration=0, InterpolantAutomatonStates: 0, 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: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown