/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/weaver/parallel-barrier.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-b8dbc81 [2023-01-28 03:25:01,064 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-01-28 03:25:01,066 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-01-28 03:25:01,086 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2023-01-28 03:25:01,092 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-01-28 03:25:01,093 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-01-28 03:25:01,093 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-01-28 03:25:01,094 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-01-28 03:25:01,094 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-01-28 03:25:01,095 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-01-28 03:25:01,096 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-01-28 03:25:01,097 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-01-28 03:25:01,098 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-01-28 03:25:01,099 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-01-28 03:25:01,100 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-01-28 03:25:01,101 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-01-28 03:25:01,103 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2023-01-28 03:25:01,105 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-01-28 03:25:01,105 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-01-28 03:25:01,106 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-01-28 03:25:01,106 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-01-28 03:25:01,107 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-01-28 03:25:01,107 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-01-28 03:25:01,107 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-01-28 03:25:01,108 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-01-28 03:25:01,108 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-01-28 03:25:01,108 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-01-28 03:25:01,109 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-01-28 03:25:01,110 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 03:25:01,126 INFO L113 SettingsManager]: Loading preferences was successful [2023-01-28 03:25:01,126 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-01-28 03:25:01,127 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-01-28 03:25:01,127 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-01-28 03:25:01,127 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-01-28 03:25:01,127 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-01-28 03:25:01,127 INFO L138 SettingsManager]: * Use SBE=true [2023-01-28 03:25:01,127 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-01-28 03:25:01,128 INFO L138 SettingsManager]: * sizeof long=4 [2023-01-28 03:25:01,128 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-01-28 03:25:01,128 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-01-28 03:25:01,128 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-01-28 03:25:01,128 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-01-28 03:25:01,128 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-01-28 03:25:01,128 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-01-28 03:25:01,128 INFO L138 SettingsManager]: * sizeof long double=12 [2023-01-28 03:25:01,128 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-01-28 03:25:01,129 INFO L138 SettingsManager]: * Use constant arrays=true [2023-01-28 03:25:01,129 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-01-28 03:25:01,129 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-01-28 03:25:01,129 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-01-28 03:25:01,129 INFO L138 SettingsManager]: * To the following directory=./dump/ [2023-01-28 03:25:01,129 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-01-28 03:25:01,129 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-01-28 03:25:01,129 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-01-28 03:25:01,130 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-01-28 03:25:01,130 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-01-28 03:25:01,130 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-01-28 03:25:01,130 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-01-28 03:25:01,130 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-01-28 03:25:01,130 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-01-28 03:25:01,130 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> BEFORE [2023-01-28 03:25:01,318 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-01-28 03:25:01,340 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-01-28 03:25:01,345 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-01-28 03:25:01,346 INFO L271 PluginConnector]: Initializing CDTParser... [2023-01-28 03:25:01,347 INFO L275 PluginConnector]: CDTParser initialized [2023-01-28 03:25:01,348 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/parallel-barrier.wvr.c [2023-01-28 03:25:02,293 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-01-28 03:25:02,415 INFO L351 CDTParser]: Found 1 translation units. [2023-01-28 03:25:02,416 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/parallel-barrier.wvr.c [2023-01-28 03:25:02,421 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0c82cdcba/16fafaf892e9481c981bcf92a00b4096/FLAGeb7e5227b [2023-01-28 03:25:02,434 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0c82cdcba/16fafaf892e9481c981bcf92a00b4096 [2023-01-28 03:25:02,437 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-01-28 03:25:02,438 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2023-01-28 03:25:02,440 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-01-28 03:25:02,440 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-01-28 03:25:02,442 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-01-28 03:25:02,443 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.01 03:25:02" (1/1) ... [2023-01-28 03:25:02,444 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5ebf03e9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 03:25:02, skipping insertion in model container [2023-01-28 03:25:02,444 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.01 03:25:02" (1/1) ... [2023-01-28 03:25:02,448 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-01-28 03:25:02,466 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-01-28 03:25:02,568 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/parallel-barrier.wvr.c[4722,4735] [2023-01-28 03:25:02,571 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-01-28 03:25:02,598 INFO L203 MainTranslator]: Completed pre-run [2023-01-28 03:25:02,633 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/parallel-barrier.wvr.c[4722,4735] [2023-01-28 03:25:02,633 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-01-28 03:25:02,642 WARN L667 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-01-28 03:25:02,643 WARN L667 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-01-28 03:25:02,648 INFO L208 MainTranslator]: Completed translation [2023-01-28 03:25:02,648 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 03:25:02 WrapperNode [2023-01-28 03:25:02,648 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-01-28 03:25:02,649 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-01-28 03:25:02,649 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-01-28 03:25:02,649 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-01-28 03:25:02,654 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 03:25:02" (1/1) ... [2023-01-28 03:25:02,670 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 03:25:02" (1/1) ... [2023-01-28 03:25:02,702 INFO L138 Inliner]: procedures = 25, calls = 98, calls flagged for inlining = 10, calls inlined = 10, statements flattened = 265 [2023-01-28 03:25:02,702 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-01-28 03:25:02,703 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-01-28 03:25:02,703 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-01-28 03:25:02,703 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-01-28 03:25:02,709 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 03:25:02" (1/1) ... [2023-01-28 03:25:02,709 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 03:25:02" (1/1) ... [2023-01-28 03:25:02,714 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 03:25:02" (1/1) ... [2023-01-28 03:25:02,715 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 03:25:02" (1/1) ... [2023-01-28 03:25:02,719 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 03:25:02" (1/1) ... [2023-01-28 03:25:02,720 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 03:25:02" (1/1) ... [2023-01-28 03:25:02,721 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 03:25:02" (1/1) ... [2023-01-28 03:25:02,732 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 03:25:02" (1/1) ... [2023-01-28 03:25:02,734 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-01-28 03:25:02,735 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-01-28 03:25:02,735 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-01-28 03:25:02,735 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-01-28 03:25:02,736 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 03:25:02" (1/1) ... [2023-01-28 03:25:02,739 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-01-28 03:25:02,760 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-01-28 03:25:02,785 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 03:25:02,806 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 03:25:02,818 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-01-28 03:25:02,818 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-01-28 03:25:02,818 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-01-28 03:25:02,818 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-01-28 03:25:02,818 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-01-28 03:25:02,819 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-01-28 03:25:02,819 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-01-28 03:25:02,819 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-01-28 03:25:02,819 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-01-28 03:25:02,819 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-01-28 03:25:02,819 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2023-01-28 03:25:02,819 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2023-01-28 03:25:02,819 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-01-28 03:25:02,819 INFO L130 BoogieDeclarations]: Found specification of procedure thread5 [2023-01-28 03:25:02,819 INFO L138 BoogieDeclarations]: Found implementation of procedure thread5 [2023-01-28 03:25:02,820 INFO L130 BoogieDeclarations]: Found specification of procedure thread6 [2023-01-28 03:25:02,820 INFO L138 BoogieDeclarations]: Found implementation of procedure thread6 [2023-01-28 03:25:02,820 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-01-28 03:25:02,820 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-01-28 03:25:02,821 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-01-28 03:25:02,821 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-01-28 03:25:02,821 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-01-28 03:25:02,822 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 03:25:02,896 INFO L236 CfgBuilder]: Building ICFG [2023-01-28 03:25:02,919 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-01-28 03:25:03,178 INFO L277 CfgBuilder]: Performing block encoding [2023-01-28 03:25:03,269 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-01-28 03:25:03,269 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-01-28 03:25:03,273 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.01 03:25:03 BoogieIcfgContainer [2023-01-28 03:25:03,273 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-01-28 03:25:03,275 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-01-28 03:25:03,276 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-01-28 03:25:03,279 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-01-28 03:25:03,279 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.01 03:25:02" (1/3) ... [2023-01-28 03:25:03,280 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@626eb927 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.01 03:25:03, skipping insertion in model container [2023-01-28 03:25:03,281 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 03:25:02" (2/3) ... [2023-01-28 03:25:03,281 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@626eb927 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.01 03:25:03, skipping insertion in model container [2023-01-28 03:25:03,281 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.01 03:25:03" (3/3) ... [2023-01-28 03:25:03,283 INFO L112 eAbstractionObserver]: Analyzing ICFG parallel-barrier.wvr.c [2023-01-28 03:25:03,296 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-01-28 03:25:03,296 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-01-28 03:25:03,296 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-01-28 03:25:03,407 INFO L144 ThreadInstanceAdder]: Constructed 18 joinOtherThreadTransitions. [2023-01-28 03:25:03,435 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 247 places, 236 transitions, 544 flow [2023-01-28 03:25:03,542 INFO L130 PetriNetUnfolder]: 8/208 cut-off events. [2023-01-28 03:25:03,543 INFO L131 PetriNetUnfolder]: For 6/6 co-relation queries the response was YES. [2023-01-28 03:25:03,549 INFO L83 FinitePrefix]: Finished finitePrefix Result has 237 conditions, 208 events. 8/208 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 231 event pairs, 0 based on Foata normal form. 0/199 useless extension candidates. Maximal degree in co-relation 180. Up to 3 conditions per place. [2023-01-28 03:25:03,550 INFO L82 GeneralOperation]: Start removeDead. Operand has 247 places, 236 transitions, 544 flow [2023-01-28 03:25:03,559 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 211 places, 200 transitions, 448 flow [2023-01-28 03:25:03,562 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-01-28 03:25:03,579 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 211 places, 200 transitions, 448 flow [2023-01-28 03:25:03,581 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 211 places, 200 transitions, 448 flow [2023-01-28 03:25:03,581 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 211 places, 200 transitions, 448 flow [2023-01-28 03:25:03,626 INFO L130 PetriNetUnfolder]: 8/200 cut-off events. [2023-01-28 03:25:03,626 INFO L131 PetriNetUnfolder]: For 6/6 co-relation queries the response was YES. [2023-01-28 03:25:03,631 INFO L83 FinitePrefix]: Finished finitePrefix Result has 229 conditions, 200 events. 8/200 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 230 event pairs, 0 based on Foata normal form. 0/192 useless extension candidates. Maximal degree in co-relation 180. Up to 3 conditions per place. [2023-01-28 03:25:03,633 INFO L119 LiptonReduction]: Number of co-enabled transitions 7268 [2023-01-28 03:25:07,143 INFO L134 LiptonReduction]: Checked pairs total: 54922 [2023-01-28 03:25:07,143 INFO L136 LiptonReduction]: Total number of compositions: 142 [2023-01-28 03:25:07,153 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-01-28 03:25:07,157 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;@71e1eaf4, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-01-28 03:25:07,158 INFO L358 AbstractCegarLoop]: Starting to check reachability of 11 error locations. [2023-01-28 03:25:07,165 INFO L130 PetriNetUnfolder]: 6/77 cut-off events. [2023-01-28 03:25:07,165 INFO L131 PetriNetUnfolder]: For 6/6 co-relation queries the response was YES. [2023-01-28 03:25:07,166 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-01-28 03:25:07,166 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:25:07,166 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err9INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2023-01-28 03:25:07,169 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-01-28 03:25:07,169 INFO L85 PathProgramCache]: Analyzing trace with hash -800234902, now seen corresponding path program 1 times [2023-01-28 03:25:07,175 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-01-28 03:25:07,175 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [443783804] [2023-01-28 03:25:07,175 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-28 03:25:07,176 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-01-28 03:25:07,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-01-28 03:25:07,344 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-01-28 03:25:07,344 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-01-28 03:25:07,344 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [443783804] [2023-01-28 03:25:07,345 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [443783804] provided 1 perfect and 0 imperfect interpolant sequences [2023-01-28 03:25:07,345 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-01-28 03:25:07,345 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-01-28 03:25:07,346 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2127236511] [2023-01-28 03:25:07,346 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-01-28 03:25:07,351 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-01-28 03:25:07,354 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-01-28 03:25:07,369 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-01-28 03:25:07,370 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-01-28 03:25:07,372 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 207 out of 382 [2023-01-28 03:25:07,376 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 91 places, 78 transitions, 204 flow. Second operand has 2 states, 2 states have (on average 225.5) internal successors, (451), 2 states have internal predecessors, (451), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-01-28 03:25:07,376 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-01-28 03:25:07,376 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 207 of 382 [2023-01-28 03:25:07,376 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-01-28 03:25:08,218 INFO L130 PetriNetUnfolder]: 6800/10951 cut-off events. [2023-01-28 03:25:08,218 INFO L131 PetriNetUnfolder]: For 1693/1693 co-relation queries the response was YES. [2023-01-28 03:25:08,236 INFO L83 FinitePrefix]: Finished finitePrefix Result has 22350 conditions, 10951 events. 6800/10951 cut-off events. For 1693/1693 co-relation queries the response was YES. Maximal size of possible extension queue 351. Compared 75337 event pairs, 6256 based on Foata normal form. 68/9617 useless extension candidates. Maximal degree in co-relation 21902. Up to 9114 conditions per place. [2023-01-28 03:25:08,274 INFO L137 encePairwiseOnDemand]: 380/382 looper letters, 40 selfloop transitions, 0 changer transitions 1/76 dead transitions. [2023-01-28 03:25:08,275 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 92 places, 76 transitions, 282 flow [2023-01-28 03:25:08,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-01-28 03:25:08,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2023-01-28 03:25:08,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 457 transitions. [2023-01-28 03:25:08,284 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5981675392670157 [2023-01-28 03:25:08,284 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 457 transitions. [2023-01-28 03:25:08,284 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 457 transitions. [2023-01-28 03:25:08,285 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-01-28 03:25:08,287 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 457 transitions. [2023-01-28 03:25:08,289 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 228.5) internal successors, (457), 2 states have internal predecessors, (457), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-01-28 03:25:08,292 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 382.0) internal successors, (1146), 3 states have internal predecessors, (1146), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-01-28 03:25:08,292 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 382.0) internal successors, (1146), 3 states have internal predecessors, (1146), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-01-28 03:25:08,293 INFO L175 Difference]: Start difference. First operand has 91 places, 78 transitions, 204 flow. Second operand 2 states and 457 transitions. [2023-01-28 03:25:08,294 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 92 places, 76 transitions, 282 flow [2023-01-28 03:25:08,350 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 80 places, 76 transitions, 250 flow, removed 0 selfloop flow, removed 12 redundant places. [2023-01-28 03:25:08,352 INFO L231 Difference]: Finished difference. Result has 80 places, 75 transitions, 166 flow [2023-01-28 03:25:08,353 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=382, PETRI_DIFFERENCE_MINUEND_FLOW=168, PETRI_DIFFERENCE_MINUEND_PLACES=79, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=76, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=76, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=166, PETRI_PLACES=80, PETRI_TRANSITIONS=75} [2023-01-28 03:25:08,357 INFO L281 CegarLoopForPetriNet]: 91 programPoint places, -11 predicate places. [2023-01-28 03:25:08,357 INFO L495 AbstractCegarLoop]: Abstraction has has 80 places, 75 transitions, 166 flow [2023-01-28 03:25:08,358 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 225.5) internal successors, (451), 2 states have internal predecessors, (451), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-01-28 03:25:08,358 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-01-28 03:25:08,358 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:25:08,358 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-01-28 03:25:08,359 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err9INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2023-01-28 03:25:08,360 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-01-28 03:25:08,360 INFO L85 PathProgramCache]: Analyzing trace with hash 415429005, now seen corresponding path program 1 times [2023-01-28 03:25:08,361 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-01-28 03:25:08,361 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1985276846] [2023-01-28 03:25:08,362 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-28 03:25:08,363 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-01-28 03:25:08,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-01-28 03:25:08,922 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-01-28 03:25:08,923 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-01-28 03:25:08,923 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1985276846] [2023-01-28 03:25:08,923 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1985276846] provided 1 perfect and 0 imperfect interpolant sequences [2023-01-28 03:25:08,923 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-01-28 03:25:08,923 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-01-28 03:25:08,923 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [910108472] [2023-01-28 03:25:08,923 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-01-28 03:25:08,924 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-01-28 03:25:08,925 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-01-28 03:25:08,925 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-01-28 03:25:08,926 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-01-28 03:25:08,926 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 202 out of 382 [2023-01-28 03:25:08,927 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 80 places, 75 transitions, 166 flow. Second operand has 4 states, 4 states have (on average 211.25) internal successors, (845), 4 states have internal predecessors, (845), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-01-28 03:25:08,927 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-01-28 03:25:08,927 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 202 of 382 [2023-01-28 03:25:08,927 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-01-28 03:25:09,612 INFO L130 PetriNetUnfolder]: 6155/10159 cut-off events. [2023-01-28 03:25:09,612 INFO L131 PetriNetUnfolder]: For 451/451 co-relation queries the response was YES. [2023-01-28 03:25:09,631 INFO L83 FinitePrefix]: Finished finitePrefix Result has 18851 conditions, 10159 events. 6155/10159 cut-off events. For 451/451 co-relation queries the response was YES. Maximal size of possible extension queue 336. Compared 69474 event pairs, 4201 based on Foata normal form. 198/9491 useless extension candidates. Maximal degree in co-relation 18848. Up to 6985 conditions per place. [2023-01-28 03:25:09,671 INFO L137 encePairwiseOnDemand]: 378/382 looper letters, 75 selfloop transitions, 3 changer transitions 0/112 dead transitions. [2023-01-28 03:25:09,672 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 82 places, 112 transitions, 410 flow [2023-01-28 03:25:09,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-01-28 03:25:09,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2023-01-28 03:25:09,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 887 transitions. [2023-01-28 03:25:09,676 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5804973821989529 [2023-01-28 03:25:09,676 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 887 transitions. [2023-01-28 03:25:09,676 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 887 transitions. [2023-01-28 03:25:09,676 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-01-28 03:25:09,677 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 887 transitions. [2023-01-28 03:25:09,678 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 221.75) internal successors, (887), 4 states have internal predecessors, (887), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-01-28 03:25:09,682 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 382.0) internal successors, (1910), 5 states have internal predecessors, (1910), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-01-28 03:25:09,683 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 382.0) internal successors, (1910), 5 states have internal predecessors, (1910), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-01-28 03:25:09,683 INFO L175 Difference]: Start difference. First operand has 80 places, 75 transitions, 166 flow. Second operand 4 states and 887 transitions. [2023-01-28 03:25:09,683 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 82 places, 112 transitions, 410 flow [2023-01-28 03:25:09,684 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 82 places, 112 transitions, 410 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-01-28 03:25:09,686 INFO L231 Difference]: Finished difference. Result has 83 places, 75 transitions, 176 flow [2023-01-28 03:25:09,687 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=382, PETRI_DIFFERENCE_MINUEND_FLOW=166, PETRI_DIFFERENCE_MINUEND_PLACES=79, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=75, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=72, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=176, PETRI_PLACES=83, PETRI_TRANSITIONS=75} [2023-01-28 03:25:09,687 INFO L281 CegarLoopForPetriNet]: 91 programPoint places, -8 predicate places. [2023-01-28 03:25:09,687 INFO L495 AbstractCegarLoop]: Abstraction has has 83 places, 75 transitions, 176 flow [2023-01-28 03:25:09,688 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 211.25) internal successors, (845), 4 states have internal predecessors, (845), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-01-28 03:25:09,688 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-01-28 03:25:09,688 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:25:09,688 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-01-28 03:25:09,688 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err9INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2023-01-28 03:25:09,691 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-01-28 03:25:09,691 INFO L85 PathProgramCache]: Analyzing trace with hash 1295147923, now seen corresponding path program 2 times [2023-01-28 03:25:09,691 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-01-28 03:25:09,691 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1209567475] [2023-01-28 03:25:09,691 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-28 03:25:09,692 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-01-28 03:25:09,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-01-28 03:25:10,554 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-01-28 03:25:10,554 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-01-28 03:25:10,554 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1209567475] [2023-01-28 03:25:10,554 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1209567475] provided 1 perfect and 0 imperfect interpolant sequences [2023-01-28 03:25:10,554 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-01-28 03:25:10,554 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2023-01-28 03:25:10,555 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1041995291] [2023-01-28 03:25:10,555 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-01-28 03:25:10,555 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2023-01-28 03:25:10,555 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-01-28 03:25:10,556 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2023-01-28 03:25:10,556 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=238, Unknown=0, NotChecked=0, Total=272 [2023-01-28 03:25:10,557 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 172 out of 382 [2023-01-28 03:25:10,560 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 83 places, 75 transitions, 176 flow. Second operand has 17 states, 17 states have (on average 174.8235294117647) internal successors, (2972), 17 states have internal predecessors, (2972), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-01-28 03:25:10,560 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-01-28 03:25:10,560 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 172 of 382 [2023-01-28 03:25:10,560 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-01-28 03:25:18,580 INFO L130 PetriNetUnfolder]: 78245/106344 cut-off events. [2023-01-28 03:25:18,580 INFO L131 PetriNetUnfolder]: For 5814/5814 co-relation queries the response was YES. [2023-01-28 03:25:18,782 INFO L83 FinitePrefix]: Finished finitePrefix Result has 214348 conditions, 106344 events. 78245/106344 cut-off events. For 5814/5814 co-relation queries the response was YES. Maximal size of possible extension queue 2348. Compared 653349 event pairs, 15503 based on Foata normal form. 1/102862 useless extension candidates. Maximal degree in co-relation 214343. Up to 68181 conditions per place. [2023-01-28 03:25:19,222 INFO L137 encePairwiseOnDemand]: 364/382 looper letters, 469 selfloop transitions, 129 changer transitions 29/650 dead transitions. [2023-01-28 03:25:19,222 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 117 places, 650 transitions, 2795 flow [2023-01-28 03:25:19,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2023-01-28 03:25:19,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35 states. [2023-01-28 03:25:19,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 6648 transitions. [2023-01-28 03:25:19,239 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.49723261032161553 [2023-01-28 03:25:19,239 INFO L72 ComplementDD]: Start complementDD. Operand 35 states and 6648 transitions. [2023-01-28 03:25:19,240 INFO L73 IsDeterministic]: Start isDeterministic. Operand 35 states and 6648 transitions. [2023-01-28 03:25:19,243 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-01-28 03:25:19,243 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 35 states and 6648 transitions. [2023-01-28 03:25:19,258 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 36 states, 35 states have (on average 189.94285714285715) internal successors, (6648), 35 states have internal predecessors, (6648), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-01-28 03:25:19,280 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 36 states, 36 states have (on average 382.0) internal successors, (13752), 36 states have internal predecessors, (13752), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-01-28 03:25:19,283 INFO L81 ComplementDD]: Finished complementDD. Result has 36 states, 36 states have (on average 382.0) internal successors, (13752), 36 states have internal predecessors, (13752), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-01-28 03:25:19,283 INFO L175 Difference]: Start difference. First operand has 83 places, 75 transitions, 176 flow. Second operand 35 states and 6648 transitions. [2023-01-28 03:25:19,283 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 117 places, 650 transitions, 2795 flow [2023-01-28 03:25:19,641 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 114 places, 650 transitions, 2733 flow, removed 0 selfloop flow, removed 3 redundant places. [2023-01-28 03:25:19,645 INFO L231 Difference]: Finished difference. Result has 132 places, 214 transitions, 895 flow [2023-01-28 03:25:19,646 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=382, PETRI_DIFFERENCE_MINUEND_FLOW=170, PETRI_DIFFERENCE_MINUEND_PLACES=80, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=75, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=58, PETRI_DIFFERENCE_SUBTRAHEND_STATES=35, PETRI_FLOW=895, PETRI_PLACES=132, PETRI_TRANSITIONS=214} [2023-01-28 03:25:19,646 INFO L281 CegarLoopForPetriNet]: 91 programPoint places, 41 predicate places. [2023-01-28 03:25:19,647 INFO L495 AbstractCegarLoop]: Abstraction has has 132 places, 214 transitions, 895 flow [2023-01-28 03:25:19,648 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 174.8235294117647) internal successors, (2972), 17 states have internal predecessors, (2972), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-01-28 03:25:19,648 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-01-28 03:25:19,648 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:25:19,648 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-01-28 03:25:19,648 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err9INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2023-01-28 03:25:19,649 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-01-28 03:25:19,649 INFO L85 PathProgramCache]: Analyzing trace with hash 1874849889, now seen corresponding path program 3 times [2023-01-28 03:25:19,649 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-01-28 03:25:19,649 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1989236384] [2023-01-28 03:25:19,649 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-28 03:25:19,649 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-01-28 03:25:19,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-01-28 03:25:19,821 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-01-28 03:25:19,821 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-01-28 03:25:19,822 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1989236384] [2023-01-28 03:25:19,822 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1989236384] provided 1 perfect and 0 imperfect interpolant sequences [2023-01-28 03:25:19,822 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-01-28 03:25:19,822 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-01-28 03:25:19,822 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1724838975] [2023-01-28 03:25:19,822 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-01-28 03:25:19,823 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-01-28 03:25:19,824 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-01-28 03:25:19,825 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-01-28 03:25:19,825 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-01-28 03:25:19,825 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 203 out of 382 [2023-01-28 03:25:19,826 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 132 places, 214 transitions, 895 flow. Second operand has 3 states, 3 states have (on average 215.33333333333334) internal successors, (646), 3 states have internal predecessors, (646), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-01-28 03:25:19,826 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-01-28 03:25:19,826 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 203 of 382 [2023-01-28 03:25:19,826 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-01-28 03:25:22,018 INFO L130 PetriNetUnfolder]: 17697/28148 cut-off events. [2023-01-28 03:25:22,021 INFO L131 PetriNetUnfolder]: For 10480/11072 co-relation queries the response was YES. [2023-01-28 03:25:22,171 INFO L83 FinitePrefix]: Finished finitePrefix Result has 65263 conditions, 28148 events. 17697/28148 cut-off events. For 10480/11072 co-relation queries the response was YES. Maximal size of possible extension queue 997. Compared 207603 event pairs, 11035 based on Foata normal form. 589/25361 useless extension candidates. Maximal degree in co-relation 65240. Up to 18616 conditions per place. [2023-01-28 03:25:22,430 INFO L137 encePairwiseOnDemand]: 379/382 looper letters, 84 selfloop transitions, 2 changer transitions 0/164 dead transitions. [2023-01-28 03:25:22,430 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 117 places, 164 transitions, 791 flow [2023-01-28 03:25:22,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-01-28 03:25:22,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-01-28 03:25:22,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 671 transitions. [2023-01-28 03:25:22,434 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5855148342059336 [2023-01-28 03:25:22,434 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 671 transitions. [2023-01-28 03:25:22,434 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 671 transitions. [2023-01-28 03:25:22,434 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-01-28 03:25:22,434 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 671 transitions. [2023-01-28 03:25:22,435 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 223.66666666666666) internal successors, (671), 3 states have internal predecessors, (671), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-01-28 03:25:22,436 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 382.0) internal successors, (1528), 4 states have internal predecessors, (1528), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-01-28 03:25:22,437 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 382.0) internal successors, (1528), 4 states have internal predecessors, (1528), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-01-28 03:25:22,437 INFO L175 Difference]: Start difference. First operand has 132 places, 214 transitions, 895 flow. Second operand 3 states and 671 transitions. [2023-01-28 03:25:22,437 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 117 places, 164 transitions, 791 flow [2023-01-28 03:25:22,606 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 106 places, 164 transitions, 745 flow, removed 12 selfloop flow, removed 11 redundant places. [2023-01-28 03:25:22,608 INFO L231 Difference]: Finished difference. Result has 107 places, 140 transitions, 511 flow [2023-01-28 03:25:22,608 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=382, PETRI_DIFFERENCE_MINUEND_FLOW=503, PETRI_DIFFERENCE_MINUEND_PLACES=104, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=140, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=138, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=511, PETRI_PLACES=107, PETRI_TRANSITIONS=140} [2023-01-28 03:25:22,609 INFO L281 CegarLoopForPetriNet]: 91 programPoint places, 16 predicate places. [2023-01-28 03:25:22,609 INFO L495 AbstractCegarLoop]: Abstraction has has 107 places, 140 transitions, 511 flow [2023-01-28 03:25:22,609 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 215.33333333333334) internal successors, (646), 3 states have internal predecessors, (646), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-01-28 03:25:22,609 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-01-28 03:25:22,609 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:25:22,609 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-01-28 03:25:22,610 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err9INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2023-01-28 03:25:22,610 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-01-28 03:25:22,610 INFO L85 PathProgramCache]: Analyzing trace with hash 889750141, now seen corresponding path program 4 times [2023-01-28 03:25:22,610 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-01-28 03:25:22,610 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1428275159] [2023-01-28 03:25:22,610 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-28 03:25:22,610 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-01-28 03:25:22,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-01-28 03:25:23,415 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-01-28 03:25:23,416 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-01-28 03:25:23,416 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1428275159] [2023-01-28 03:25:23,416 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1428275159] provided 1 perfect and 0 imperfect interpolant sequences [2023-01-28 03:25:23,416 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-01-28 03:25:23,416 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2023-01-28 03:25:23,416 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [46532284] [2023-01-28 03:25:23,416 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-01-28 03:25:23,417 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2023-01-28 03:25:23,417 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-01-28 03:25:23,417 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2023-01-28 03:25:23,417 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=339, Unknown=0, NotChecked=0, Total=380 [2023-01-28 03:25:23,419 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 172 out of 382 [2023-01-28 03:25:23,421 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 107 places, 140 transitions, 511 flow. Second operand has 20 states, 20 states have (on average 174.4) internal successors, (3488), 20 states have internal predecessors, (3488), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-01-28 03:25:23,421 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-01-28 03:25:23,421 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 172 of 382 [2023-01-28 03:25:23,421 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-01-28 03:25:33,909 INFO L130 PetriNetUnfolder]: 66042/90270 cut-off events. [2023-01-28 03:25:33,909 INFO L131 PetriNetUnfolder]: For 31455/31461 co-relation queries the response was YES. [2023-01-28 03:25:34,177 INFO L83 FinitePrefix]: Finished finitePrefix Result has 221970 conditions, 90270 events. 66042/90270 cut-off events. For 31455/31461 co-relation queries the response was YES. Maximal size of possible extension queue 1578. Compared 539541 event pairs, 10178 based on Foata normal form. 7/86849 useless extension candidates. Maximal degree in co-relation 221956. Up to 60083 conditions per place. [2023-01-28 03:25:34,419 INFO L137 encePairwiseOnDemand]: 363/382 looper letters, 664 selfloop transitions, 224 changer transitions 25/936 dead transitions. [2023-01-28 03:25:34,419 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 172 places, 936 transitions, 4660 flow [2023-01-28 03:25:34,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2023-01-28 03:25:34,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 66 states. [2023-01-28 03:25:34,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 12230 transitions. [2023-01-28 03:25:34,437 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.48508646676185946 [2023-01-28 03:25:34,437 INFO L72 ComplementDD]: Start complementDD. Operand 66 states and 12230 transitions. [2023-01-28 03:25:34,437 INFO L73 IsDeterministic]: Start isDeterministic. Operand 66 states and 12230 transitions. [2023-01-28 03:25:34,441 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-01-28 03:25:34,441 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 66 states and 12230 transitions. [2023-01-28 03:25:34,457 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 67 states, 66 states have (on average 185.3030303030303) internal successors, (12230), 66 states have internal predecessors, (12230), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-01-28 03:25:34,489 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 67 states, 67 states have (on average 382.0) internal successors, (25594), 67 states have internal predecessors, (25594), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-01-28 03:25:34,494 INFO L81 ComplementDD]: Finished complementDD. Result has 67 states, 67 states have (on average 382.0) internal successors, (25594), 67 states have internal predecessors, (25594), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-01-28 03:25:34,494 INFO L175 Difference]: Start difference. First operand has 107 places, 140 transitions, 511 flow. Second operand 66 states and 12230 transitions. [2023-01-28 03:25:34,495 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 172 places, 936 transitions, 4660 flow [2023-01-28 03:25:34,605 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 170 places, 936 transitions, 4654 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-01-28 03:25:34,612 INFO L231 Difference]: Finished difference. Result has 181 places, 349 transitions, 1931 flow [2023-01-28 03:25:34,612 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=382, PETRI_DIFFERENCE_MINUEND_FLOW=507, PETRI_DIFFERENCE_MINUEND_PLACES=105, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=140, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=45, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=89, PETRI_DIFFERENCE_SUBTRAHEND_STATES=66, PETRI_FLOW=1931, PETRI_PLACES=181, PETRI_TRANSITIONS=349} [2023-01-28 03:25:34,614 INFO L281 CegarLoopForPetriNet]: 91 programPoint places, 90 predicate places. [2023-01-28 03:25:34,614 INFO L495 AbstractCegarLoop]: Abstraction has has 181 places, 349 transitions, 1931 flow [2023-01-28 03:25:34,615 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 174.4) internal successors, (3488), 20 states have internal predecessors, (3488), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-01-28 03:25:34,615 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-01-28 03:25:34,615 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:25:34,616 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-01-28 03:25:34,616 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err9INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2023-01-28 03:25:34,616 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-01-28 03:25:34,616 INFO L85 PathProgramCache]: Analyzing trace with hash 909847024, now seen corresponding path program 1 times [2023-01-28 03:25:34,616 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-01-28 03:25:34,616 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1417973193] [2023-01-28 03:25:34,616 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-28 03:25:34,616 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-01-28 03:25:34,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-01-28 03:25:35,232 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-01-28 03:25:35,232 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-01-28 03:25:35,232 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1417973193] [2023-01-28 03:25:35,233 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1417973193] provided 1 perfect and 0 imperfect interpolant sequences [2023-01-28 03:25:35,233 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-01-28 03:25:35,233 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2023-01-28 03:25:35,233 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2092353678] [2023-01-28 03:25:35,233 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-01-28 03:25:35,233 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2023-01-28 03:25:35,234 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-01-28 03:25:35,234 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2023-01-28 03:25:35,234 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=305, Unknown=0, NotChecked=0, Total=342 [2023-01-28 03:25:35,235 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 172 out of 382 [2023-01-28 03:25:35,237 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 181 places, 349 transitions, 1931 flow. Second operand has 19 states, 19 states have (on average 174.52631578947367) internal successors, (3316), 19 states have internal predecessors, (3316), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-01-28 03:25:35,237 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-01-28 03:25:35,237 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 172 of 382 [2023-01-28 03:25:35,237 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-01-28 03:25:45,255 INFO L130 PetriNetUnfolder]: 75226/102789 cut-off events. [2023-01-28 03:25:45,256 INFO L131 PetriNetUnfolder]: For 129882/129894 co-relation queries the response was YES. [2023-01-28 03:25:45,756 INFO L83 FinitePrefix]: Finished finitePrefix Result has 308413 conditions, 102789 events. 75226/102789 cut-off events. For 129882/129894 co-relation queries the response was YES. Maximal size of possible extension queue 1783. Compared 627679 event pairs, 21365 based on Foata normal form. 1/99006 useless extension candidates. Maximal degree in co-relation 308388. Up to 84044 conditions per place. [2023-01-28 03:25:46,131 INFO L137 encePairwiseOnDemand]: 364/382 looper letters, 604 selfloop transitions, 146 changer transitions 44/817 dead transitions. [2023-01-28 03:25:46,132 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 215 places, 817 transitions, 5401 flow [2023-01-28 03:25:46,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2023-01-28 03:25:46,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 36 states. [2023-01-28 03:25:46,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 6663 transitions. [2023-01-28 03:25:46,138 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.48451134380453753 [2023-01-28 03:25:46,138 INFO L72 ComplementDD]: Start complementDD. Operand 36 states and 6663 transitions. [2023-01-28 03:25:46,138 INFO L73 IsDeterministic]: Start isDeterministic. Operand 36 states and 6663 transitions. [2023-01-28 03:25:46,140 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-01-28 03:25:46,140 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 36 states and 6663 transitions. [2023-01-28 03:25:46,147 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 37 states, 36 states have (on average 185.08333333333334) internal successors, (6663), 36 states have internal predecessors, (6663), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-01-28 03:25:46,157 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 37 states, 37 states have (on average 382.0) internal successors, (14134), 37 states have internal predecessors, (14134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-01-28 03:25:46,159 INFO L81 ComplementDD]: Finished complementDD. Result has 37 states, 37 states have (on average 382.0) internal successors, (14134), 37 states have internal predecessors, (14134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-01-28 03:25:46,159 INFO L175 Difference]: Start difference. First operand has 181 places, 349 transitions, 1931 flow. Second operand 36 states and 6663 transitions. [2023-01-28 03:25:46,159 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 215 places, 817 transitions, 5401 flow [2023-01-28 03:25:47,567 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 207 places, 817 transitions, 4941 flow, removed 175 selfloop flow, removed 8 redundant places. [2023-01-28 03:25:47,573 INFO L231 Difference]: Finished difference. Result has 225 places, 486 transitions, 2943 flow [2023-01-28 03:25:47,573 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=382, PETRI_DIFFERENCE_MINUEND_FLOW=1538, PETRI_DIFFERENCE_MINUEND_PLACES=172, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=349, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=25, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=275, PETRI_DIFFERENCE_SUBTRAHEND_STATES=36, PETRI_FLOW=2943, PETRI_PLACES=225, PETRI_TRANSITIONS=486} [2023-01-28 03:25:47,574 INFO L281 CegarLoopForPetriNet]: 91 programPoint places, 134 predicate places. [2023-01-28 03:25:47,574 INFO L495 AbstractCegarLoop]: Abstraction has has 225 places, 486 transitions, 2943 flow [2023-01-28 03:25:47,574 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 174.52631578947367) internal successors, (3316), 19 states have internal predecessors, (3316), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-01-28 03:25:47,574 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-01-28 03:25:47,575 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:25:47,575 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-01-28 03:25:47,575 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err9INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2023-01-28 03:25:47,575 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-01-28 03:25:47,575 INFO L85 PathProgramCache]: Analyzing trace with hash -1384318865, now seen corresponding path program 5 times [2023-01-28 03:25:47,575 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-01-28 03:25:47,575 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [849626880] [2023-01-28 03:25:47,575 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-28 03:25:47,575 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-01-28 03:25:47,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-01-28 03:25:47,697 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-01-28 03:25:47,697 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-01-28 03:25:47,698 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [849626880] [2023-01-28 03:25:47,698 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [849626880] provided 1 perfect and 0 imperfect interpolant sequences [2023-01-28 03:25:47,698 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-01-28 03:25:47,698 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-01-28 03:25:47,698 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [565514508] [2023-01-28 03:25:47,698 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-01-28 03:25:47,698 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-01-28 03:25:47,698 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-01-28 03:25:47,699 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-01-28 03:25:47,699 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-01-28 03:25:47,699 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 202 out of 382 [2023-01-28 03:25:47,700 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 225 places, 486 transitions, 2943 flow. Second operand has 4 states, 4 states have (on average 211.25) internal successors, (845), 4 states have internal predecessors, (845), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-01-28 03:25:47,700 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-01-28 03:25:47,700 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 202 of 382 [2023-01-28 03:25:47,700 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-01-28 03:25:50,093 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([725] L63-->thread2EXIT: Formula: (and (= |v_thread2Thread1of1ForFork5_#res#1.offset_9| 0) (= |v_thread2Thread1of1ForFork5_#res#1.base_9| 0) (= (+ v_~temp_4~0_15 1) v_~y_1~0_26)) InVars {~temp_4~0=v_~temp_4~0_15} OutVars{~temp_4~0=v_~temp_4~0_15, thread2Thread1of1ForFork5_#res#1.offset=|v_thread2Thread1of1ForFork5_#res#1.offset_9|, ~y_1~0=v_~y_1~0_26, thread2Thread1of1ForFork5_#res#1.base=|v_thread2Thread1of1ForFork5_#res#1.base_9|} AuxVars[] AssignedVars[thread2Thread1of1ForFork5_#res#1.offset, ~y_1~0, thread2Thread1of1ForFork5_#res#1.base][145], [Black: 504#(and (= ~y_7~0 0) (<= (+ ~temp_10~0 1) ~x_0~0) (<= ~x_0~0 (+ ~temp_10~0 1)) (= ~temp_5~0 0)), Black: 511#(and (<= ~x_0~0 (+ ~temp_10~0 2)) (<= ~y_1~0 (+ ~y_7~0 1)) (<= (+ ~y_7~0 1) ~y_1~0) (<= (+ ~temp_10~0 2) ~x_0~0)), Black: 540#(and (<= ~x_0~0 (+ ~temp_10~0 2)) (= ~y_7~0 0) (<= (+ ~temp_10~0 2) ~x_0~0) (<= 1 ~y_1~0) (<= (+ ~temp_10~0 1) ~temp_5~0) (<= ~y_1~0 1) (<= ~temp_5~0 (+ ~temp_10~0 1))), Black: 508#(and (<= ~x_0~0 (+ ~temp_10~0 2)) (<= (+ ~temp_10~0 2) ~x_0~0) (<= 1 ~y_1~0) (= ~temp_11~0 0) (<= ~y_1~0 1)), Black: 542#(and (<= ~x_0~0 (+ ~temp_10~0 2)) (= ~y_7~0 0) (<= (+ ~temp_10~0 2) ~x_0~0) (<= 1 ~y_1~0) (<= (+ ~x_6~0 1) ~x_0~0) (<= (+ ~temp_10~0 1) ~temp_5~0) (<= ~x_0~0 (+ ~x_6~0 1)) (<= ~y_1~0 1) (<= ~temp_5~0 (+ ~temp_10~0 1))), Black: 536#(and (= ~y_7~0 0) (<= 1 ~y_1~0) (<= (+ ~temp_10~0 1) ~temp_5~0) (<= (+ ~temp_10~0 1) ~x_0~0) (<= ~y_1~0 1) (<= ~x_0~0 (+ ~temp_10~0 1)) (<= ~temp_5~0 (+ ~temp_10~0 1))), Black: 526#(and (= ~y_1~0 0) (= ~x_0~0 ~x_6~0) (= ~y_7~0 0) (<= (+ ~temp_10~0 1) ~x_0~0) (<= ~temp_10~0 ~temp_4~0) (<= ~x_0~0 (+ ~temp_10~0 1)) (<= ~temp_4~0 ~temp_10~0)), Black: 556#(and (<= ~x_0~0 (+ ~temp_10~0 2)) (<= ~y_1~0 (+ ~y_7~0 1)) (<= 2 ~y_1~0) (<= ~y_1~0 2) (<= (+ ~y_7~0 1) ~y_1~0) (<= (+ ~temp_10~0 2) ~x_0~0) (= ~temp_11~0 0) (<= ~temp_4~0 1) (<= 1 ~temp_4~0)), Black: 534#(and (< ~x_6~0 (+ ~x_0~0 1)) (= ~y_7~0 0) (<= ~x_0~0 ~x_6~0) (<= 1 ~y_1~0) (<= (+ ~temp_10~0 1) ~x_0~0) (<= ~y_1~0 1) (<= ~x_0~0 (+ ~temp_10~0 1)) (= ~temp_5~0 0)), Black: 500#(and (= ~y_1~0 0) (= ~x_0~0 ~x_6~0) (= ~y_7~0 0)), 259#true, Black: 544#(and (<= ~x_0~0 (+ ~temp_10~0 2)) (= ~y_7~0 0) (<= (+ ~temp_10~0 2) ~x_0~0) (<= 1 ~y_1~0) (= ~temp_11~0 0) (<= (+ ~temp_10~0 1) ~temp_5~0) (<= ~y_1~0 1) (<= ~temp_5~0 (+ ~temp_10~0 1))), Black: 528#(and (= ~y_1~0 0) (= ~y_7~0 0) (<= (+ ~temp_10~0 1) ~x_0~0) (<= ~temp_10~0 ~temp_4~0) (<= ~x_0~0 (+ ~temp_10~0 1)) (= ~temp_5~0 0) (<= ~temp_4~0 ~temp_10~0)), 498#true, 595#(= ~f1_8~0 (* 256 (div ~f1_8~0 256))), Black: 546#(and (<= ~x_0~0 (+ ~temp_10~0 2)) (= ~y_7~0 0) (<= (+ ~temp_10~0 2) ~x_0~0) (<= 1 ~y_1~0) (<= (+ ~x_6~0 1) ~x_0~0) (= ~temp_11~0 0) (<= (+ ~temp_10~0 1) ~temp_5~0) (<= ~x_0~0 (+ ~x_6~0 1)) (<= ~y_1~0 1) (<= ~temp_5~0 (+ ~temp_10~0 1))), Black: 518#(and (= ~y_1~0 0) (= ~x_0~0 ~x_6~0) (= ~y_7~0 0) (= ~temp_10~0 ~x_0~0)), Black: 532#(and (= ~y_7~0 0) (<= 1 ~y_1~0) (<= (+ ~temp_10~0 1) ~x_0~0) (<= ~y_1~0 1) (<= ~x_0~0 (+ ~temp_10~0 1)) (= ~temp_5~0 0)), Black: 295#(and (<= ~x_0~0 (+ ~x_6~0 2)) (<= ~y_1~0 (+ ~y_7~0 1)) (<= (+ ~y_7~0 1) ~y_1~0) (<= (+ ~x_6~0 2) ~x_0~0) (<= ~temp_5~0 (+ ~x_6~0 1)) (<= (+ ~x_6~0 1) ~temp_5~0)), 94#L140true, Black: 524#(and (= ~y_1~0 0) (= ~y_7~0 0) (<= (+ ~temp_10~0 1) ~x_0~0) (<= ~temp_10~0 ~temp_4~0) (<= ~x_0~0 (+ ~temp_10~0 1)) (<= ~temp_4~0 ~temp_10~0)), 69#L166-1true, Black: 277#(and (= ~y_1~0 0) (= ~x_0~0 ~x_6~0) (= ~y_7~0 0) (<= ~x_6~0 ~temp_4~0) (<= ~temp_4~0 ~x_6~0)), Black: 301#(and (<= ~y_7~0 ~y_1~0) (<= 1 ~y_1~0) (<= (+ ~x_6~0 1) ~x_0~0) (= ~temp_11~0 0) (<= ~x_0~0 (+ ~x_6~0 1)) (<= ~y_1~0 ~y_7~0) (<= ~y_1~0 1)), 250#true, Black: 279#(and (= ~y_1~0 0) (= ~y_7~0 0) (<= (+ ~x_6~0 1) ~x_0~0) (<= ~x_0~0 (+ ~x_6~0 1)) (<= ~x_6~0 ~temp_4~0) (<= ~temp_4~0 ~x_6~0)), Black: 293#(and (= ~y_7~0 0) (<= 1 ~y_1~0) (<= (+ ~x_6~0 1) ~x_0~0) (<= ~x_0~0 (+ ~x_6~0 1)) (<= ~y_1~0 1) (<= ~temp_5~0 (+ ~x_6~0 1)) (<= (+ ~x_6~0 1) ~temp_5~0)), 356#true, Black: 261#(and (= ~y_1~0 0) (= ~x_0~0 ~x_6~0) (= ~y_7~0 0)), 188#thread2EXITtrue, Black: 287#(and (= ~y_7~0 0) (<= 1 ~y_1~0) (<= (+ ~x_6~0 1) ~x_0~0) (<= ~temp_5~0 ~y_7~0) (<= ~y_7~0 ~temp_5~0) (<= ~x_0~0 (+ ~x_6~0 1)) (<= ~y_1~0 1)), 9#$Ultimate##0true, Black: 353#(= ~f2_3~0 (* 256 (div ~f2_3~0 256))), 172#L102-4true, Black: 425#(and (<= ~y_1~0 (+ ~y_7~0 1)) (<= 2 ~y_1~0) (<= ~y_1~0 2) (<= (+ ~y_7~0 1) ~y_1~0) (<= (+ ~temp_5~0 1) ~x_6~0) (<= ~x_0~0 ~x_6~0) (<= ~temp_11~0 ~temp_5~0) (= ~temp_11~0 0) (<= ~temp_5~0 ~temp_11~0) (<= ~x_6~0 (+ ~temp_5~0 1)) (<= ~x_6~0 ~x_0~0)), Black: 399#(and (<= 2 ~y_1~0) (<= ~y_1~0 2) (= ~y_7~0 0) (<= ~x_6~0 ~temp_5~0) (<= 1 ~x_0~0) (= ~temp_11~0 0) (<= ~temp_4~0 1) (<= ~temp_5~0 ~x_6~0) (<= 1 ~temp_4~0) (<= ~x_0~0 1) (= ~temp_5~0 0)), Black: 403#(and (<= ~y_1~0 (+ ~y_7~0 1)) (<= 2 ~y_1~0) (<= ~y_1~0 2) (<= (+ ~y_7~0 1) ~y_1~0) (<= ~temp_11~0 ~temp_5~0) (<= ~x_6~0 ~temp_5~0) (<= 1 ~x_0~0) (= ~temp_11~0 0) (<= ~temp_5~0 ~temp_11~0) (<= ~temp_5~0 ~x_6~0) (<= ~x_0~0 1)), Black: 405#(and (<= 2 ~y_1~0) (<= ~y_1~0 2) (= ~x_6~0 0) (= ~y_7~0 0) (<= 1 ~x_0~0) (= ~temp_11~0 0) (<= ~temp_4~0 1) (<= 1 ~temp_4~0) (<= ~x_0~0 1)), Black: 389#(and (<= 2 ~y_1~0) (<= ~y_1~0 2) (= ~x_6~0 0) (= ~y_7~0 0) (<= 1 ~x_0~0) (<= ~temp_4~0 1) (<= 1 ~temp_4~0) (<= ~x_0~0 1) (= ~temp_5~0 0)), Black: 366#(and (<= 2 ~y_1~0) (<= ~y_1~0 2) (= ~x_6~0 0) (<= 1 ~x_0~0) (= ~temp_11~0 0) (<= ~x_0~0 1)), Black: 377#(and (< ~x_0~0 (+ ~x_6~0 1)) (< ~y_7~0 (+ ~y_1~0 1)) (<= ~y_1~0 ~y_7~0) (<= ~x_6~0 ~x_0~0) (or (not (= ~x_0~0 ~y_1~0)) (= ~x_6~0 0)) (or (= ~y_7~0 0) (not (= ~x_6~0 0)))), Black: 371#(and (<= ~y_1~0 (+ ~y_7~0 1)) (<= (+ ~y_7~0 1) ~y_1~0) (<= ~temp_11~0 ~temp_5~0) (<= ~temp_5~0 ~temp_11~0)), Black: 393#(and (<= 2 ~y_1~0) (<= ~y_1~0 2) (= ~x_6~0 0) (= ~y_7~0 0) (<= 1 ~x_0~0) (<= ~temp_4~0 1) (<= 1 ~temp_4~0) (<= ~x_0~0 1)), Black: 358#(and (or (and (or (= ~y_7~0 0) (not (= ~x_0~0 0))) (or (= ~y_1~0 0) (= ~x_0~0 0))) (not (= ~x_6~0 0))) (or (not (= ~x_0~0 ~y_1~0)) (= ~x_6~0 0))), 227#L193-4true, 76#thread3EXITtrue, Black: 501#(and (= ~y_1~0 0) (= ~y_7~0 0) (= ~temp_10~0 ~x_0~0)), Black: 572#(and (< ~x_6~0 (+ ~x_0~0 1)) (<= (+ ~temp_10~0 1) ~y_1~0) (< ~y_7~0 (+ ~y_1~0 1)) (<= ~x_0~0 ~x_6~0) (<= ~y_1~0 ~y_7~0) (<= ~y_1~0 (+ ~temp_10~0 1)))]) [2023-01-28 03:25:50,093 INFO L383 tUnfolder$Statistics]: this new event has 41 ancestors and is not cut-off event [2023-01-28 03:25:50,094 INFO L386 tUnfolder$Statistics]: existing Event has 41 ancestors and is not cut-off event [2023-01-28 03:25:50,094 INFO L386 tUnfolder$Statistics]: existing Event has 41 ancestors and is not cut-off event [2023-01-28 03:25:50,094 INFO L386 tUnfolder$Statistics]: existing Event has 41 ancestors and is not cut-off event [2023-01-28 03:25:50,211 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([725] L63-->thread2EXIT: Formula: (and (= |v_thread2Thread1of1ForFork5_#res#1.offset_9| 0) (= |v_thread2Thread1of1ForFork5_#res#1.base_9| 0) (= (+ v_~temp_4~0_15 1) v_~y_1~0_26)) InVars {~temp_4~0=v_~temp_4~0_15} OutVars{~temp_4~0=v_~temp_4~0_15, thread2Thread1of1ForFork5_#res#1.offset=|v_thread2Thread1of1ForFork5_#res#1.offset_9|, ~y_1~0=v_~y_1~0_26, thread2Thread1of1ForFork5_#res#1.base=|v_thread2Thread1of1ForFork5_#res#1.base_9|} AuxVars[] AssignedVars[thread2Thread1of1ForFork5_#res#1.offset, ~y_1~0, thread2Thread1of1ForFork5_#res#1.base][145], [Black: 504#(and (= ~y_7~0 0) (<= (+ ~temp_10~0 1) ~x_0~0) (<= ~x_0~0 (+ ~temp_10~0 1)) (= ~temp_5~0 0)), Black: 511#(and (<= ~x_0~0 (+ ~temp_10~0 2)) (<= ~y_1~0 (+ ~y_7~0 1)) (<= (+ ~y_7~0 1) ~y_1~0) (<= (+ ~temp_10~0 2) ~x_0~0)), Black: 540#(and (<= ~x_0~0 (+ ~temp_10~0 2)) (= ~y_7~0 0) (<= (+ ~temp_10~0 2) ~x_0~0) (<= 1 ~y_1~0) (<= (+ ~temp_10~0 1) ~temp_5~0) (<= ~y_1~0 1) (<= ~temp_5~0 (+ ~temp_10~0 1))), Black: 508#(and (<= ~x_0~0 (+ ~temp_10~0 2)) (<= (+ ~temp_10~0 2) ~x_0~0) (<= 1 ~y_1~0) (= ~temp_11~0 0) (<= ~y_1~0 1)), Black: 542#(and (<= ~x_0~0 (+ ~temp_10~0 2)) (= ~y_7~0 0) (<= (+ ~temp_10~0 2) ~x_0~0) (<= 1 ~y_1~0) (<= (+ ~x_6~0 1) ~x_0~0) (<= (+ ~temp_10~0 1) ~temp_5~0) (<= ~x_0~0 (+ ~x_6~0 1)) (<= ~y_1~0 1) (<= ~temp_5~0 (+ ~temp_10~0 1))), Black: 536#(and (= ~y_7~0 0) (<= 1 ~y_1~0) (<= (+ ~temp_10~0 1) ~temp_5~0) (<= (+ ~temp_10~0 1) ~x_0~0) (<= ~y_1~0 1) (<= ~x_0~0 (+ ~temp_10~0 1)) (<= ~temp_5~0 (+ ~temp_10~0 1))), Black: 526#(and (= ~y_1~0 0) (= ~x_0~0 ~x_6~0) (= ~y_7~0 0) (<= (+ ~temp_10~0 1) ~x_0~0) (<= ~temp_10~0 ~temp_4~0) (<= ~x_0~0 (+ ~temp_10~0 1)) (<= ~temp_4~0 ~temp_10~0)), Black: 556#(and (<= ~x_0~0 (+ ~temp_10~0 2)) (<= ~y_1~0 (+ ~y_7~0 1)) (<= 2 ~y_1~0) (<= ~y_1~0 2) (<= (+ ~y_7~0 1) ~y_1~0) (<= (+ ~temp_10~0 2) ~x_0~0) (= ~temp_11~0 0) (<= ~temp_4~0 1) (<= 1 ~temp_4~0)), Black: 534#(and (< ~x_6~0 (+ ~x_0~0 1)) (= ~y_7~0 0) (<= ~x_0~0 ~x_6~0) (<= 1 ~y_1~0) (<= (+ ~temp_10~0 1) ~x_0~0) (<= ~y_1~0 1) (<= ~x_0~0 (+ ~temp_10~0 1)) (= ~temp_5~0 0)), Black: 500#(and (= ~y_1~0 0) (= ~x_0~0 ~x_6~0) (= ~y_7~0 0)), Black: 544#(and (<= ~x_0~0 (+ ~temp_10~0 2)) (= ~y_7~0 0) (<= (+ ~temp_10~0 2) ~x_0~0) (<= 1 ~y_1~0) (= ~temp_11~0 0) (<= (+ ~temp_10~0 1) ~temp_5~0) (<= ~y_1~0 1) (<= ~temp_5~0 (+ ~temp_10~0 1))), 259#true, Black: 528#(and (= ~y_1~0 0) (= ~y_7~0 0) (<= (+ ~temp_10~0 1) ~x_0~0) (<= ~temp_10~0 ~temp_4~0) (<= ~x_0~0 (+ ~temp_10~0 1)) (= ~temp_5~0 0) (<= ~temp_4~0 ~temp_10~0)), Black: 546#(and (<= ~x_0~0 (+ ~temp_10~0 2)) (= ~y_7~0 0) (<= (+ ~temp_10~0 2) ~x_0~0) (<= 1 ~y_1~0) (<= (+ ~x_6~0 1) ~x_0~0) (= ~temp_11~0 0) (<= (+ ~temp_10~0 1) ~temp_5~0) (<= ~x_0~0 (+ ~x_6~0 1)) (<= ~y_1~0 1) (<= ~temp_5~0 (+ ~temp_10~0 1))), 498#true, 595#(= ~f1_8~0 (* 256 (div ~f1_8~0 256))), Black: 518#(and (= ~y_1~0 0) (= ~x_0~0 ~x_6~0) (= ~y_7~0 0) (= ~temp_10~0 ~x_0~0)), Black: 532#(and (= ~y_7~0 0) (<= 1 ~y_1~0) (<= (+ ~temp_10~0 1) ~x_0~0) (<= ~y_1~0 1) (<= ~x_0~0 (+ ~temp_10~0 1)) (= ~temp_5~0 0)), Black: 295#(and (<= ~x_0~0 (+ ~x_6~0 2)) (<= ~y_1~0 (+ ~y_7~0 1)) (<= (+ ~y_7~0 1) ~y_1~0) (<= (+ ~x_6~0 2) ~x_0~0) (<= ~temp_5~0 (+ ~x_6~0 1)) (<= (+ ~x_6~0 1) ~temp_5~0)), 94#L140true, Black: 524#(and (= ~y_1~0 0) (= ~y_7~0 0) (<= (+ ~temp_10~0 1) ~x_0~0) (<= ~temp_10~0 ~temp_4~0) (<= ~x_0~0 (+ ~temp_10~0 1)) (<= ~temp_4~0 ~temp_10~0)), 69#L166-1true, Black: 277#(and (= ~y_1~0 0) (= ~x_0~0 ~x_6~0) (= ~y_7~0 0) (<= ~x_6~0 ~temp_4~0) (<= ~temp_4~0 ~x_6~0)), Black: 301#(and (<= ~y_7~0 ~y_1~0) (<= 1 ~y_1~0) (<= (+ ~x_6~0 1) ~x_0~0) (= ~temp_11~0 0) (<= ~x_0~0 (+ ~x_6~0 1)) (<= ~y_1~0 ~y_7~0) (<= ~y_1~0 1)), 250#true, Black: 279#(and (= ~y_1~0 0) (= ~y_7~0 0) (<= (+ ~x_6~0 1) ~x_0~0) (<= ~x_0~0 (+ ~x_6~0 1)) (<= ~x_6~0 ~temp_4~0) (<= ~temp_4~0 ~x_6~0)), Black: 293#(and (= ~y_7~0 0) (<= 1 ~y_1~0) (<= (+ ~x_6~0 1) ~x_0~0) (<= ~x_0~0 (+ ~x_6~0 1)) (<= ~y_1~0 1) (<= ~temp_5~0 (+ ~x_6~0 1)) (<= (+ ~x_6~0 1) ~temp_5~0)), 356#true, Black: 261#(and (= ~y_1~0 0) (= ~x_0~0 ~x_6~0) (= ~y_7~0 0)), Black: 287#(and (= ~y_7~0 0) (<= 1 ~y_1~0) (<= (+ ~x_6~0 1) ~x_0~0) (<= ~temp_5~0 ~y_7~0) (<= ~y_7~0 ~temp_5~0) (<= ~x_0~0 (+ ~x_6~0 1)) (<= ~y_1~0 1)), 188#thread2EXITtrue, 9#$Ultimate##0true, Black: 353#(= ~f2_3~0 (* 256 (div ~f2_3~0 256))), 172#L102-4true, Black: 425#(and (<= ~y_1~0 (+ ~y_7~0 1)) (<= 2 ~y_1~0) (<= ~y_1~0 2) (<= (+ ~y_7~0 1) ~y_1~0) (<= (+ ~temp_5~0 1) ~x_6~0) (<= ~x_0~0 ~x_6~0) (<= ~temp_11~0 ~temp_5~0) (= ~temp_11~0 0) (<= ~temp_5~0 ~temp_11~0) (<= ~x_6~0 (+ ~temp_5~0 1)) (<= ~x_6~0 ~x_0~0)), Black: 399#(and (<= 2 ~y_1~0) (<= ~y_1~0 2) (= ~y_7~0 0) (<= ~x_6~0 ~temp_5~0) (<= 1 ~x_0~0) (= ~temp_11~0 0) (<= ~temp_4~0 1) (<= ~temp_5~0 ~x_6~0) (<= 1 ~temp_4~0) (<= ~x_0~0 1) (= ~temp_5~0 0)), Black: 403#(and (<= ~y_1~0 (+ ~y_7~0 1)) (<= 2 ~y_1~0) (<= ~y_1~0 2) (<= (+ ~y_7~0 1) ~y_1~0) (<= ~temp_11~0 ~temp_5~0) (<= ~x_6~0 ~temp_5~0) (<= 1 ~x_0~0) (= ~temp_11~0 0) (<= ~temp_5~0 ~temp_11~0) (<= ~temp_5~0 ~x_6~0) (<= ~x_0~0 1)), Black: 405#(and (<= 2 ~y_1~0) (<= ~y_1~0 2) (= ~x_6~0 0) (= ~y_7~0 0) (<= 1 ~x_0~0) (= ~temp_11~0 0) (<= ~temp_4~0 1) (<= 1 ~temp_4~0) (<= ~x_0~0 1)), Black: 389#(and (<= 2 ~y_1~0) (<= ~y_1~0 2) (= ~x_6~0 0) (= ~y_7~0 0) (<= 1 ~x_0~0) (<= ~temp_4~0 1) (<= 1 ~temp_4~0) (<= ~x_0~0 1) (= ~temp_5~0 0)), Black: 366#(and (<= 2 ~y_1~0) (<= ~y_1~0 2) (= ~x_6~0 0) (<= 1 ~x_0~0) (= ~temp_11~0 0) (<= ~x_0~0 1)), Black: 377#(and (< ~x_0~0 (+ ~x_6~0 1)) (< ~y_7~0 (+ ~y_1~0 1)) (<= ~y_1~0 ~y_7~0) (<= ~x_6~0 ~x_0~0) (or (not (= ~x_0~0 ~y_1~0)) (= ~x_6~0 0)) (or (= ~y_7~0 0) (not (= ~x_6~0 0)))), Black: 371#(and (<= ~y_1~0 (+ ~y_7~0 1)) (<= (+ ~y_7~0 1) ~y_1~0) (<= ~temp_11~0 ~temp_5~0) (<= ~temp_5~0 ~temp_11~0)), Black: 393#(and (<= 2 ~y_1~0) (<= ~y_1~0 2) (= ~x_6~0 0) (= ~y_7~0 0) (<= 1 ~x_0~0) (<= ~temp_4~0 1) (<= 1 ~temp_4~0) (<= ~x_0~0 1)), Black: 358#(and (or (and (or (= ~y_7~0 0) (not (= ~x_0~0 0))) (or (= ~y_1~0 0) (= ~x_0~0 0))) (not (= ~x_6~0 0))) (or (not (= ~x_0~0 ~y_1~0)) (= ~x_6~0 0))), 76#thread3EXITtrue, 11#L194-1true, Black: 501#(and (= ~y_1~0 0) (= ~y_7~0 0) (= ~temp_10~0 ~x_0~0)), Black: 572#(and (< ~x_6~0 (+ ~x_0~0 1)) (<= (+ ~temp_10~0 1) ~y_1~0) (< ~y_7~0 (+ ~y_1~0 1)) (<= ~x_0~0 ~x_6~0) (<= ~y_1~0 ~y_7~0) (<= ~y_1~0 (+ ~temp_10~0 1)))]) [2023-01-28 03:25:50,212 INFO L383 tUnfolder$Statistics]: this new event has 42 ancestors and is not cut-off event [2023-01-28 03:25:50,212 INFO L386 tUnfolder$Statistics]: existing Event has 42 ancestors and is not cut-off event [2023-01-28 03:25:50,212 INFO L386 tUnfolder$Statistics]: existing Event has 42 ancestors and is not cut-off event [2023-01-28 03:25:50,212 INFO L386 tUnfolder$Statistics]: existing Event has 42 ancestors and is not cut-off event [2023-01-28 03:25:50,302 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([725] L63-->thread2EXIT: Formula: (and (= |v_thread2Thread1of1ForFork5_#res#1.offset_9| 0) (= |v_thread2Thread1of1ForFork5_#res#1.base_9| 0) (= (+ v_~temp_4~0_15 1) v_~y_1~0_26)) InVars {~temp_4~0=v_~temp_4~0_15} OutVars{~temp_4~0=v_~temp_4~0_15, thread2Thread1of1ForFork5_#res#1.offset=|v_thread2Thread1of1ForFork5_#res#1.offset_9|, ~y_1~0=v_~y_1~0_26, thread2Thread1of1ForFork5_#res#1.base=|v_thread2Thread1of1ForFork5_#res#1.base_9|} AuxVars[] AssignedVars[thread2Thread1of1ForFork5_#res#1.offset, ~y_1~0, thread2Thread1of1ForFork5_#res#1.base][145], [Black: 504#(and (= ~y_7~0 0) (<= (+ ~temp_10~0 1) ~x_0~0) (<= ~x_0~0 (+ ~temp_10~0 1)) (= ~temp_5~0 0)), Black: 511#(and (<= ~x_0~0 (+ ~temp_10~0 2)) (<= ~y_1~0 (+ ~y_7~0 1)) (<= (+ ~y_7~0 1) ~y_1~0) (<= (+ ~temp_10~0 2) ~x_0~0)), Black: 540#(and (<= ~x_0~0 (+ ~temp_10~0 2)) (= ~y_7~0 0) (<= (+ ~temp_10~0 2) ~x_0~0) (<= 1 ~y_1~0) (<= (+ ~temp_10~0 1) ~temp_5~0) (<= ~y_1~0 1) (<= ~temp_5~0 (+ ~temp_10~0 1))), Black: 508#(and (<= ~x_0~0 (+ ~temp_10~0 2)) (<= (+ ~temp_10~0 2) ~x_0~0) (<= 1 ~y_1~0) (= ~temp_11~0 0) (<= ~y_1~0 1)), Black: 542#(and (<= ~x_0~0 (+ ~temp_10~0 2)) (= ~y_7~0 0) (<= (+ ~temp_10~0 2) ~x_0~0) (<= 1 ~y_1~0) (<= (+ ~x_6~0 1) ~x_0~0) (<= (+ ~temp_10~0 1) ~temp_5~0) (<= ~x_0~0 (+ ~x_6~0 1)) (<= ~y_1~0 1) (<= ~temp_5~0 (+ ~temp_10~0 1))), Black: 536#(and (= ~y_7~0 0) (<= 1 ~y_1~0) (<= (+ ~temp_10~0 1) ~temp_5~0) (<= (+ ~temp_10~0 1) ~x_0~0) (<= ~y_1~0 1) (<= ~x_0~0 (+ ~temp_10~0 1)) (<= ~temp_5~0 (+ ~temp_10~0 1))), Black: 526#(and (= ~y_1~0 0) (= ~x_0~0 ~x_6~0) (= ~y_7~0 0) (<= (+ ~temp_10~0 1) ~x_0~0) (<= ~temp_10~0 ~temp_4~0) (<= ~x_0~0 (+ ~temp_10~0 1)) (<= ~temp_4~0 ~temp_10~0)), Black: 556#(and (<= ~x_0~0 (+ ~temp_10~0 2)) (<= ~y_1~0 (+ ~y_7~0 1)) (<= 2 ~y_1~0) (<= ~y_1~0 2) (<= (+ ~y_7~0 1) ~y_1~0) (<= (+ ~temp_10~0 2) ~x_0~0) (= ~temp_11~0 0) (<= ~temp_4~0 1) (<= 1 ~temp_4~0)), Black: 534#(and (< ~x_6~0 (+ ~x_0~0 1)) (= ~y_7~0 0) (<= ~x_0~0 ~x_6~0) (<= 1 ~y_1~0) (<= (+ ~temp_10~0 1) ~x_0~0) (<= ~y_1~0 1) (<= ~x_0~0 (+ ~temp_10~0 1)) (= ~temp_5~0 0)), Black: 500#(and (= ~y_1~0 0) (= ~x_0~0 ~x_6~0) (= ~y_7~0 0)), Black: 544#(and (<= ~x_0~0 (+ ~temp_10~0 2)) (= ~y_7~0 0) (<= (+ ~temp_10~0 2) ~x_0~0) (<= 1 ~y_1~0) (= ~temp_11~0 0) (<= (+ ~temp_10~0 1) ~temp_5~0) (<= ~y_1~0 1) (<= ~temp_5~0 (+ ~temp_10~0 1))), 259#true, Black: 528#(and (= ~y_1~0 0) (= ~y_7~0 0) (<= (+ ~temp_10~0 1) ~x_0~0) (<= ~temp_10~0 ~temp_4~0) (<= ~x_0~0 (+ ~temp_10~0 1)) (= ~temp_5~0 0) (<= ~temp_4~0 ~temp_10~0)), Black: 546#(and (<= ~x_0~0 (+ ~temp_10~0 2)) (= ~y_7~0 0) (<= (+ ~temp_10~0 2) ~x_0~0) (<= 1 ~y_1~0) (<= (+ ~x_6~0 1) ~x_0~0) (= ~temp_11~0 0) (<= (+ ~temp_10~0 1) ~temp_5~0) (<= ~x_0~0 (+ ~x_6~0 1)) (<= ~y_1~0 1) (<= ~temp_5~0 (+ ~temp_10~0 1))), 498#true, 595#(= ~f1_8~0 (* 256 (div ~f1_8~0 256))), Black: 518#(and (= ~y_1~0 0) (= ~x_0~0 ~x_6~0) (= ~y_7~0 0) (= ~temp_10~0 ~x_0~0)), Black: 532#(and (= ~y_7~0 0) (<= 1 ~y_1~0) (<= (+ ~temp_10~0 1) ~x_0~0) (<= ~y_1~0 1) (<= ~x_0~0 (+ ~temp_10~0 1)) (= ~temp_5~0 0)), Black: 295#(and (<= ~x_0~0 (+ ~x_6~0 2)) (<= ~y_1~0 (+ ~y_7~0 1)) (<= (+ ~y_7~0 1) ~y_1~0) (<= (+ ~x_6~0 2) ~x_0~0) (<= ~temp_5~0 (+ ~x_6~0 1)) (<= (+ ~x_6~0 1) ~temp_5~0)), 94#L140true, Black: 524#(and (= ~y_1~0 0) (= ~y_7~0 0) (<= (+ ~temp_10~0 1) ~x_0~0) (<= ~temp_10~0 ~temp_4~0) (<= ~x_0~0 (+ ~temp_10~0 1)) (<= ~temp_4~0 ~temp_10~0)), 69#L166-1true, Black: 277#(and (= ~y_1~0 0) (= ~x_0~0 ~x_6~0) (= ~y_7~0 0) (<= ~x_6~0 ~temp_4~0) (<= ~temp_4~0 ~x_6~0)), Black: 301#(and (<= ~y_7~0 ~y_1~0) (<= 1 ~y_1~0) (<= (+ ~x_6~0 1) ~x_0~0) (= ~temp_11~0 0) (<= ~x_0~0 (+ ~x_6~0 1)) (<= ~y_1~0 ~y_7~0) (<= ~y_1~0 1)), 250#true, Black: 279#(and (= ~y_1~0 0) (= ~y_7~0 0) (<= (+ ~x_6~0 1) ~x_0~0) (<= ~x_0~0 (+ ~x_6~0 1)) (<= ~x_6~0 ~temp_4~0) (<= ~temp_4~0 ~x_6~0)), 356#true, Black: 293#(and (= ~y_7~0 0) (<= 1 ~y_1~0) (<= (+ ~x_6~0 1) ~x_0~0) (<= ~x_0~0 (+ ~x_6~0 1)) (<= ~y_1~0 1) (<= ~temp_5~0 (+ ~x_6~0 1)) (<= (+ ~x_6~0 1) ~temp_5~0)), 126#L103-1true, Black: 261#(and (= ~y_1~0 0) (= ~x_0~0 ~x_6~0) (= ~y_7~0 0)), Black: 287#(and (= ~y_7~0 0) (<= 1 ~y_1~0) (<= (+ ~x_6~0 1) ~x_0~0) (<= ~temp_5~0 ~y_7~0) (<= ~y_7~0 ~temp_5~0) (<= ~x_0~0 (+ ~x_6~0 1)) (<= ~y_1~0 1)), 188#thread2EXITtrue, 9#$Ultimate##0true, Black: 353#(= ~f2_3~0 (* 256 (div ~f2_3~0 256))), Black: 425#(and (<= ~y_1~0 (+ ~y_7~0 1)) (<= 2 ~y_1~0) (<= ~y_1~0 2) (<= (+ ~y_7~0 1) ~y_1~0) (<= (+ ~temp_5~0 1) ~x_6~0) (<= ~x_0~0 ~x_6~0) (<= ~temp_11~0 ~temp_5~0) (= ~temp_11~0 0) (<= ~temp_5~0 ~temp_11~0) (<= ~x_6~0 (+ ~temp_5~0 1)) (<= ~x_6~0 ~x_0~0)), Black: 399#(and (<= 2 ~y_1~0) (<= ~y_1~0 2) (= ~y_7~0 0) (<= ~x_6~0 ~temp_5~0) (<= 1 ~x_0~0) (= ~temp_11~0 0) (<= ~temp_4~0 1) (<= ~temp_5~0 ~x_6~0) (<= 1 ~temp_4~0) (<= ~x_0~0 1) (= ~temp_5~0 0)), Black: 403#(and (<= ~y_1~0 (+ ~y_7~0 1)) (<= 2 ~y_1~0) (<= ~y_1~0 2) (<= (+ ~y_7~0 1) ~y_1~0) (<= ~temp_11~0 ~temp_5~0) (<= ~x_6~0 ~temp_5~0) (<= 1 ~x_0~0) (= ~temp_11~0 0) (<= ~temp_5~0 ~temp_11~0) (<= ~temp_5~0 ~x_6~0) (<= ~x_0~0 1)), Black: 405#(and (<= 2 ~y_1~0) (<= ~y_1~0 2) (= ~x_6~0 0) (= ~y_7~0 0) (<= 1 ~x_0~0) (= ~temp_11~0 0) (<= ~temp_4~0 1) (<= 1 ~temp_4~0) (<= ~x_0~0 1)), Black: 389#(and (<= 2 ~y_1~0) (<= ~y_1~0 2) (= ~x_6~0 0) (= ~y_7~0 0) (<= 1 ~x_0~0) (<= ~temp_4~0 1) (<= 1 ~temp_4~0) (<= ~x_0~0 1) (= ~temp_5~0 0)), Black: 366#(and (<= 2 ~y_1~0) (<= ~y_1~0 2) (= ~x_6~0 0) (<= 1 ~x_0~0) (= ~temp_11~0 0) (<= ~x_0~0 1)), Black: 377#(and (< ~x_0~0 (+ ~x_6~0 1)) (< ~y_7~0 (+ ~y_1~0 1)) (<= ~y_1~0 ~y_7~0) (<= ~x_6~0 ~x_0~0) (or (not (= ~x_0~0 ~y_1~0)) (= ~x_6~0 0)) (or (= ~y_7~0 0) (not (= ~x_6~0 0)))), Black: 371#(and (<= ~y_1~0 (+ ~y_7~0 1)) (<= (+ ~y_7~0 1) ~y_1~0) (<= ~temp_11~0 ~temp_5~0) (<= ~temp_5~0 ~temp_11~0)), Black: 393#(and (<= 2 ~y_1~0) (<= ~y_1~0 2) (= ~x_6~0 0) (= ~y_7~0 0) (<= 1 ~x_0~0) (<= ~temp_4~0 1) (<= 1 ~temp_4~0) (<= ~x_0~0 1)), Black: 358#(and (or (and (or (= ~y_7~0 0) (not (= ~x_0~0 0))) (or (= ~y_1~0 0) (= ~x_0~0 0))) (not (= ~x_6~0 0))) (or (not (= ~x_0~0 ~y_1~0)) (= ~x_6~0 0))), 227#L193-4true, 76#thread3EXITtrue, Black: 501#(and (= ~y_1~0 0) (= ~y_7~0 0) (= ~temp_10~0 ~x_0~0)), Black: 572#(and (< ~x_6~0 (+ ~x_0~0 1)) (<= (+ ~temp_10~0 1) ~y_1~0) (< ~y_7~0 (+ ~y_1~0 1)) (<= ~x_0~0 ~x_6~0) (<= ~y_1~0 ~y_7~0) (<= ~y_1~0 (+ ~temp_10~0 1)))]) [2023-01-28 03:25:50,303 INFO L383 tUnfolder$Statistics]: this new event has 42 ancestors and is not cut-off event [2023-01-28 03:25:50,303 INFO L386 tUnfolder$Statistics]: existing Event has 42 ancestors and is not cut-off event [2023-01-28 03:25:50,303 INFO L386 tUnfolder$Statistics]: existing Event has 42 ancestors and is not cut-off event [2023-01-28 03:25:50,303 INFO L386 tUnfolder$Statistics]: existing Event has 42 ancestors and is not cut-off event [2023-01-28 03:25:50,421 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([725] L63-->thread2EXIT: Formula: (and (= |v_thread2Thread1of1ForFork5_#res#1.offset_9| 0) (= |v_thread2Thread1of1ForFork5_#res#1.base_9| 0) (= (+ v_~temp_4~0_15 1) v_~y_1~0_26)) InVars {~temp_4~0=v_~temp_4~0_15} OutVars{~temp_4~0=v_~temp_4~0_15, thread2Thread1of1ForFork5_#res#1.offset=|v_thread2Thread1of1ForFork5_#res#1.offset_9|, ~y_1~0=v_~y_1~0_26, thread2Thread1of1ForFork5_#res#1.base=|v_thread2Thread1of1ForFork5_#res#1.base_9|} AuxVars[] AssignedVars[thread2Thread1of1ForFork5_#res#1.offset, ~y_1~0, thread2Thread1of1ForFork5_#res#1.base][145], [Black: 504#(and (= ~y_7~0 0) (<= (+ ~temp_10~0 1) ~x_0~0) (<= ~x_0~0 (+ ~temp_10~0 1)) (= ~temp_5~0 0)), Black: 511#(and (<= ~x_0~0 (+ ~temp_10~0 2)) (<= ~y_1~0 (+ ~y_7~0 1)) (<= (+ ~y_7~0 1) ~y_1~0) (<= (+ ~temp_10~0 2) ~x_0~0)), Black: 540#(and (<= ~x_0~0 (+ ~temp_10~0 2)) (= ~y_7~0 0) (<= (+ ~temp_10~0 2) ~x_0~0) (<= 1 ~y_1~0) (<= (+ ~temp_10~0 1) ~temp_5~0) (<= ~y_1~0 1) (<= ~temp_5~0 (+ ~temp_10~0 1))), Black: 508#(and (<= ~x_0~0 (+ ~temp_10~0 2)) (<= (+ ~temp_10~0 2) ~x_0~0) (<= 1 ~y_1~0) (= ~temp_11~0 0) (<= ~y_1~0 1)), Black: 542#(and (<= ~x_0~0 (+ ~temp_10~0 2)) (= ~y_7~0 0) (<= (+ ~temp_10~0 2) ~x_0~0) (<= 1 ~y_1~0) (<= (+ ~x_6~0 1) ~x_0~0) (<= (+ ~temp_10~0 1) ~temp_5~0) (<= ~x_0~0 (+ ~x_6~0 1)) (<= ~y_1~0 1) (<= ~temp_5~0 (+ ~temp_10~0 1))), Black: 536#(and (= ~y_7~0 0) (<= 1 ~y_1~0) (<= (+ ~temp_10~0 1) ~temp_5~0) (<= (+ ~temp_10~0 1) ~x_0~0) (<= ~y_1~0 1) (<= ~x_0~0 (+ ~temp_10~0 1)) (<= ~temp_5~0 (+ ~temp_10~0 1))), Black: 526#(and (= ~y_1~0 0) (= ~x_0~0 ~x_6~0) (= ~y_7~0 0) (<= (+ ~temp_10~0 1) ~x_0~0) (<= ~temp_10~0 ~temp_4~0) (<= ~x_0~0 (+ ~temp_10~0 1)) (<= ~temp_4~0 ~temp_10~0)), Black: 556#(and (<= ~x_0~0 (+ ~temp_10~0 2)) (<= ~y_1~0 (+ ~y_7~0 1)) (<= 2 ~y_1~0) (<= ~y_1~0 2) (<= (+ ~y_7~0 1) ~y_1~0) (<= (+ ~temp_10~0 2) ~x_0~0) (= ~temp_11~0 0) (<= ~temp_4~0 1) (<= 1 ~temp_4~0)), Black: 534#(and (< ~x_6~0 (+ ~x_0~0 1)) (= ~y_7~0 0) (<= ~x_0~0 ~x_6~0) (<= 1 ~y_1~0) (<= (+ ~temp_10~0 1) ~x_0~0) (<= ~y_1~0 1) (<= ~x_0~0 (+ ~temp_10~0 1)) (= ~temp_5~0 0)), Black: 500#(and (= ~y_1~0 0) (= ~x_0~0 ~x_6~0) (= ~y_7~0 0)), 259#true, Black: 544#(and (<= ~x_0~0 (+ ~temp_10~0 2)) (= ~y_7~0 0) (<= (+ ~temp_10~0 2) ~x_0~0) (<= 1 ~y_1~0) (= ~temp_11~0 0) (<= (+ ~temp_10~0 1) ~temp_5~0) (<= ~y_1~0 1) (<= ~temp_5~0 (+ ~temp_10~0 1))), Black: 528#(and (= ~y_1~0 0) (= ~y_7~0 0) (<= (+ ~temp_10~0 1) ~x_0~0) (<= ~temp_10~0 ~temp_4~0) (<= ~x_0~0 (+ ~temp_10~0 1)) (= ~temp_5~0 0) (<= ~temp_4~0 ~temp_10~0)), 498#true, 595#(= ~f1_8~0 (* 256 (div ~f1_8~0 256))), Black: 546#(and (<= ~x_0~0 (+ ~temp_10~0 2)) (= ~y_7~0 0) (<= (+ ~temp_10~0 2) ~x_0~0) (<= 1 ~y_1~0) (<= (+ ~x_6~0 1) ~x_0~0) (= ~temp_11~0 0) (<= (+ ~temp_10~0 1) ~temp_5~0) (<= ~x_0~0 (+ ~x_6~0 1)) (<= ~y_1~0 1) (<= ~temp_5~0 (+ ~temp_10~0 1))), Black: 518#(and (= ~y_1~0 0) (= ~x_0~0 ~x_6~0) (= ~y_7~0 0) (= ~temp_10~0 ~x_0~0)), Black: 532#(and (= ~y_7~0 0) (<= 1 ~y_1~0) (<= (+ ~temp_10~0 1) ~x_0~0) (<= ~y_1~0 1) (<= ~x_0~0 (+ ~temp_10~0 1)) (= ~temp_5~0 0)), Black: 295#(and (<= ~x_0~0 (+ ~x_6~0 2)) (<= ~y_1~0 (+ ~y_7~0 1)) (<= (+ ~y_7~0 1) ~y_1~0) (<= (+ ~x_6~0 2) ~x_0~0) (<= ~temp_5~0 (+ ~x_6~0 1)) (<= (+ ~x_6~0 1) ~temp_5~0)), 94#L140true, Black: 524#(and (= ~y_1~0 0) (= ~y_7~0 0) (<= (+ ~temp_10~0 1) ~x_0~0) (<= ~temp_10~0 ~temp_4~0) (<= ~x_0~0 (+ ~temp_10~0 1)) (<= ~temp_4~0 ~temp_10~0)), 69#L166-1true, Black: 277#(and (= ~y_1~0 0) (= ~x_0~0 ~x_6~0) (= ~y_7~0 0) (<= ~x_6~0 ~temp_4~0) (<= ~temp_4~0 ~x_6~0)), Black: 301#(and (<= ~y_7~0 ~y_1~0) (<= 1 ~y_1~0) (<= (+ ~x_6~0 1) ~x_0~0) (= ~temp_11~0 0) (<= ~x_0~0 (+ ~x_6~0 1)) (<= ~y_1~0 ~y_7~0) (<= ~y_1~0 1)), 250#true, Black: 279#(and (= ~y_1~0 0) (= ~y_7~0 0) (<= (+ ~x_6~0 1) ~x_0~0) (<= ~x_0~0 (+ ~x_6~0 1)) (<= ~x_6~0 ~temp_4~0) (<= ~temp_4~0 ~x_6~0)), Black: 293#(and (= ~y_7~0 0) (<= 1 ~y_1~0) (<= (+ ~x_6~0 1) ~x_0~0) (<= ~x_0~0 (+ ~x_6~0 1)) (<= ~y_1~0 1) (<= ~temp_5~0 (+ ~x_6~0 1)) (<= (+ ~x_6~0 1) ~temp_5~0)), 356#true, 126#L103-1true, Black: 261#(and (= ~y_1~0 0) (= ~x_0~0 ~x_6~0) (= ~y_7~0 0)), 188#thread2EXITtrue, Black: 287#(and (= ~y_7~0 0) (<= 1 ~y_1~0) (<= (+ ~x_6~0 1) ~x_0~0) (<= ~temp_5~0 ~y_7~0) (<= ~y_7~0 ~temp_5~0) (<= ~x_0~0 (+ ~x_6~0 1)) (<= ~y_1~0 1)), 9#$Ultimate##0true, Black: 353#(= ~f2_3~0 (* 256 (div ~f2_3~0 256))), Black: 425#(and (<= ~y_1~0 (+ ~y_7~0 1)) (<= 2 ~y_1~0) (<= ~y_1~0 2) (<= (+ ~y_7~0 1) ~y_1~0) (<= (+ ~temp_5~0 1) ~x_6~0) (<= ~x_0~0 ~x_6~0) (<= ~temp_11~0 ~temp_5~0) (= ~temp_11~0 0) (<= ~temp_5~0 ~temp_11~0) (<= ~x_6~0 (+ ~temp_5~0 1)) (<= ~x_6~0 ~x_0~0)), Black: 399#(and (<= 2 ~y_1~0) (<= ~y_1~0 2) (= ~y_7~0 0) (<= ~x_6~0 ~temp_5~0) (<= 1 ~x_0~0) (= ~temp_11~0 0) (<= ~temp_4~0 1) (<= ~temp_5~0 ~x_6~0) (<= 1 ~temp_4~0) (<= ~x_0~0 1) (= ~temp_5~0 0)), Black: 403#(and (<= ~y_1~0 (+ ~y_7~0 1)) (<= 2 ~y_1~0) (<= ~y_1~0 2) (<= (+ ~y_7~0 1) ~y_1~0) (<= ~temp_11~0 ~temp_5~0) (<= ~x_6~0 ~temp_5~0) (<= 1 ~x_0~0) (= ~temp_11~0 0) (<= ~temp_5~0 ~temp_11~0) (<= ~temp_5~0 ~x_6~0) (<= ~x_0~0 1)), Black: 405#(and (<= 2 ~y_1~0) (<= ~y_1~0 2) (= ~x_6~0 0) (= ~y_7~0 0) (<= 1 ~x_0~0) (= ~temp_11~0 0) (<= ~temp_4~0 1) (<= 1 ~temp_4~0) (<= ~x_0~0 1)), Black: 389#(and (<= 2 ~y_1~0) (<= ~y_1~0 2) (= ~x_6~0 0) (= ~y_7~0 0) (<= 1 ~x_0~0) (<= ~temp_4~0 1) (<= 1 ~temp_4~0) (<= ~x_0~0 1) (= ~temp_5~0 0)), Black: 366#(and (<= 2 ~y_1~0) (<= ~y_1~0 2) (= ~x_6~0 0) (<= 1 ~x_0~0) (= ~temp_11~0 0) (<= ~x_0~0 1)), Black: 377#(and (< ~x_0~0 (+ ~x_6~0 1)) (< ~y_7~0 (+ ~y_1~0 1)) (<= ~y_1~0 ~y_7~0) (<= ~x_6~0 ~x_0~0) (or (not (= ~x_0~0 ~y_1~0)) (= ~x_6~0 0)) (or (= ~y_7~0 0) (not (= ~x_6~0 0)))), Black: 371#(and (<= ~y_1~0 (+ ~y_7~0 1)) (<= (+ ~y_7~0 1) ~y_1~0) (<= ~temp_11~0 ~temp_5~0) (<= ~temp_5~0 ~temp_11~0)), Black: 393#(and (<= 2 ~y_1~0) (<= ~y_1~0 2) (= ~x_6~0 0) (= ~y_7~0 0) (<= 1 ~x_0~0) (<= ~temp_4~0 1) (<= 1 ~temp_4~0) (<= ~x_0~0 1)), Black: 358#(and (or (and (or (= ~y_7~0 0) (not (= ~x_0~0 0))) (or (= ~y_1~0 0) (= ~x_0~0 0))) (not (= ~x_6~0 0))) (or (not (= ~x_0~0 ~y_1~0)) (= ~x_6~0 0))), 76#thread3EXITtrue, 11#L194-1true, Black: 501#(and (= ~y_1~0 0) (= ~y_7~0 0) (= ~temp_10~0 ~x_0~0)), Black: 572#(and (< ~x_6~0 (+ ~x_0~0 1)) (<= (+ ~temp_10~0 1) ~y_1~0) (< ~y_7~0 (+ ~y_1~0 1)) (<= ~x_0~0 ~x_6~0) (<= ~y_1~0 ~y_7~0) (<= ~y_1~0 (+ ~temp_10~0 1)))]) [2023-01-28 03:25:50,421 INFO L383 tUnfolder$Statistics]: this new event has 43 ancestors and is not cut-off event [2023-01-28 03:25:50,421 INFO L386 tUnfolder$Statistics]: existing Event has 43 ancestors and is not cut-off event [2023-01-28 03:25:50,421 INFO L386 tUnfolder$Statistics]: existing Event has 43 ancestors and is not cut-off event [2023-01-28 03:25:50,421 INFO L386 tUnfolder$Statistics]: existing Event has 43 ancestors and is not cut-off event [2023-01-28 03:25:52,855 INFO L130 PetriNetUnfolder]: 34503/53294 cut-off events. [2023-01-28 03:25:52,855 INFO L131 PetriNetUnfolder]: For 66979/74566 co-relation queries the response was YES. [2023-01-28 03:25:53,355 INFO L83 FinitePrefix]: Finished finitePrefix Result has 155890 conditions, 53294 events. 34503/53294 cut-off events. For 66979/74566 co-relation queries the response was YES. Maximal size of possible extension queue 1556. Compared 401876 event pairs, 15936 based on Foata normal form. 1179/48382 useless extension candidates. Maximal degree in co-relation 155847. Up to 29556 conditions per place. [2023-01-28 03:25:53,544 INFO L137 encePairwiseOnDemand]: 378/382 looper letters, 227 selfloop transitions, 3 changer transitions 0/503 dead transitions. [2023-01-28 03:25:53,544 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 217 places, 503 transitions, 3542 flow [2023-01-28 03:25:53,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-01-28 03:25:53,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2023-01-28 03:25:53,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 889 transitions. [2023-01-28 03:25:53,546 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5818062827225131 [2023-01-28 03:25:53,546 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 889 transitions. [2023-01-28 03:25:53,546 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 889 transitions. [2023-01-28 03:25:53,546 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-01-28 03:25:53,546 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 889 transitions. [2023-01-28 03:25:53,547 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 222.25) internal successors, (889), 4 states have internal predecessors, (889), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-01-28 03:25:53,548 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 382.0) internal successors, (1910), 5 states have internal predecessors, (1910), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-01-28 03:25:53,548 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 382.0) internal successors, (1910), 5 states have internal predecessors, (1910), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-01-28 03:25:53,548 INFO L175 Difference]: Start difference. First operand has 225 places, 486 transitions, 2943 flow. Second operand 4 states and 889 transitions. [2023-01-28 03:25:53,548 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 217 places, 503 transitions, 3542 flow [2023-01-28 03:25:54,232 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 213 places, 503 transitions, 3313 flow, removed 107 selfloop flow, removed 4 redundant places. [2023-01-28 03:25:54,236 INFO L231 Difference]: Finished difference. Result has 214 places, 427 transitions, 2488 flow [2023-01-28 03:25:54,236 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=382, PETRI_DIFFERENCE_MINUEND_FLOW=2478, PETRI_DIFFERENCE_MINUEND_PLACES=210, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=427, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=424, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=2488, PETRI_PLACES=214, PETRI_TRANSITIONS=427} [2023-01-28 03:25:54,237 INFO L281 CegarLoopForPetriNet]: 91 programPoint places, 123 predicate places. [2023-01-28 03:25:54,237 INFO L495 AbstractCegarLoop]: Abstraction has has 214 places, 427 transitions, 2488 flow [2023-01-28 03:25:54,237 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 211.25) internal successors, (845), 4 states have internal predecessors, (845), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-01-28 03:25:54,237 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-01-28 03:25:54,237 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:25:54,237 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-01-28 03:25:54,237 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err9INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2023-01-28 03:25:54,238 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-01-28 03:25:54,238 INFO L85 PathProgramCache]: Analyzing trace with hash 13186073, now seen corresponding path program 6 times [2023-01-28 03:25:54,238 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-01-28 03:25:54,238 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [139689665] [2023-01-28 03:25:54,238 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-28 03:25:54,238 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-01-28 03:25:54,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-01-28 03:25:54,513 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-01-28 03:25:54,513 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-01-28 03:25:54,513 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [139689665] [2023-01-28 03:25:54,513 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [139689665] provided 1 perfect and 0 imperfect interpolant sequences [2023-01-28 03:25:54,514 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-01-28 03:25:54,514 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-01-28 03:25:54,514 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [746655178] [2023-01-28 03:25:54,514 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-01-28 03:25:54,514 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-01-28 03:25:54,514 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-01-28 03:25:54,515 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-01-28 03:25:54,515 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-01-28 03:25:54,515 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 203 out of 382 [2023-01-28 03:25:54,516 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 214 places, 427 transitions, 2488 flow. Second operand has 3 states, 3 states have (on average 215.33333333333334) internal successors, (646), 3 states have internal predecessors, (646), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-01-28 03:25:54,516 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-01-28 03:25:54,516 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 203 of 382 [2023-01-28 03:25:54,516 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-01-28 03:25:58,657 INFO L130 PetriNetUnfolder]: 27865/43898 cut-off events. [2023-01-28 03:25:58,657 INFO L131 PetriNetUnfolder]: For 48978/52747 co-relation queries the response was YES. [2023-01-28 03:25:58,969 INFO L83 FinitePrefix]: Finished finitePrefix Result has 127988 conditions, 43898 events. 27865/43898 cut-off events. For 48978/52747 co-relation queries the response was YES. Maximal size of possible extension queue 1245. Compared 327683 event pairs, 13933 based on Foata normal form. 720/39779 useless extension candidates. Maximal degree in co-relation 127947. Up to 26541 conditions per place. [2023-01-28 03:25:59,136 INFO L137 encePairwiseOnDemand]: 379/382 looper letters, 173 selfloop transitions, 3 changer transitions 0/448 dead transitions. [2023-01-28 03:25:59,136 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 216 places, 448 transitions, 2910 flow [2023-01-28 03:25:59,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-01-28 03:25:59,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-01-28 03:25:59,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 673 transitions. [2023-01-28 03:25:59,139 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.587260034904014 [2023-01-28 03:25:59,139 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 673 transitions. [2023-01-28 03:25:59,139 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 673 transitions. [2023-01-28 03:25:59,139 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-01-28 03:25:59,140 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 673 transitions. [2023-01-28 03:25:59,140 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 224.33333333333334) internal successors, (673), 3 states have internal predecessors, (673), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-01-28 03:25:59,165 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 382.0) internal successors, (1528), 4 states have internal predecessors, (1528), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-01-28 03:25:59,165 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 382.0) internal successors, (1528), 4 states have internal predecessors, (1528), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-01-28 03:25:59,165 INFO L175 Difference]: Start difference. First operand has 214 places, 427 transitions, 2488 flow. Second operand 3 states and 673 transitions. [2023-01-28 03:25:59,165 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 216 places, 448 transitions, 2910 flow [2023-01-28 03:25:59,444 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 213 places, 448 transitions, 2900 flow, removed 0 selfloop flow, removed 3 redundant places. [2023-01-28 03:25:59,448 INFO L231 Difference]: Finished difference. Result has 214 places, 426 transitions, 2489 flow [2023-01-28 03:25:59,449 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=382, PETRI_DIFFERENCE_MINUEND_FLOW=2478, PETRI_DIFFERENCE_MINUEND_PLACES=211, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=426, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=423, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=2489, PETRI_PLACES=214, PETRI_TRANSITIONS=426} [2023-01-28 03:25:59,449 INFO L281 CegarLoopForPetriNet]: 91 programPoint places, 123 predicate places. [2023-01-28 03:25:59,449 INFO L495 AbstractCegarLoop]: Abstraction has has 214 places, 426 transitions, 2489 flow [2023-01-28 03:25:59,449 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 215.33333333333334) internal successors, (646), 3 states have internal predecessors, (646), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-01-28 03:25:59,450 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-01-28 03:25:59,450 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:25:59,450 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-01-28 03:25:59,450 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err9INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2023-01-28 03:25:59,450 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-01-28 03:25:59,450 INFO L85 PathProgramCache]: Analyzing trace with hash 550546311, now seen corresponding path program 7 times [2023-01-28 03:25:59,450 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-01-28 03:25:59,450 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [269872507] [2023-01-28 03:25:59,451 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-28 03:25:59,451 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-01-28 03:25:59,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-01-28 03:26:00,267 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-01-28 03:26:00,267 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-01-28 03:26:00,267 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [269872507] [2023-01-28 03:26:00,267 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [269872507] provided 1 perfect and 0 imperfect interpolant sequences [2023-01-28 03:26:00,267 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-01-28 03:26:00,268 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2023-01-28 03:26:00,268 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [446209175] [2023-01-28 03:26:00,268 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-01-28 03:26:00,268 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2023-01-28 03:26:00,268 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-01-28 03:26:00,269 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2023-01-28 03:26:00,269 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=378, Unknown=0, NotChecked=0, Total=420 [2023-01-28 03:26:00,271 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 171 out of 382 [2023-01-28 03:26:00,272 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 214 places, 426 transitions, 2489 flow. Second operand has 21 states, 21 states have (on average 173.28571428571428) internal successors, (3639), 21 states have internal predecessors, (3639), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-01-28 03:26:00,272 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-01-28 03:26:00,273 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 171 of 382 [2023-01-28 03:26:00,273 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-01-28 03:26:13,848 INFO L130 PetriNetUnfolder]: 74458/102565 cut-off events. [2023-01-28 03:26:13,848 INFO L131 PetriNetUnfolder]: For 183441/183515 co-relation queries the response was YES. [2023-01-28 03:26:14,750 INFO L83 FinitePrefix]: Finished finitePrefix Result has 351052 conditions, 102565 events. 74458/102565 cut-off events. For 183441/183515 co-relation queries the response was YES. Maximal size of possible extension queue 2216. Compared 631829 event pairs, 9445 based on Foata normal form. 23/99403 useless extension candidates. Maximal degree in co-relation 351010. Up to 63494 conditions per place. [2023-01-28 03:26:15,082 INFO L137 encePairwiseOnDemand]: 362/382 looper letters, 847 selfloop transitions, 432 changer transitions 55/1357 dead transitions. [2023-01-28 03:26:15,082 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 291 places, 1357 transitions, 10028 flow [2023-01-28 03:26:15,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 78 states. [2023-01-28 03:26:15,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 78 states. [2023-01-28 03:26:15,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 14220 transitions. [2023-01-28 03:26:15,091 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.47724526782118404 [2023-01-28 03:26:15,091 INFO L72 ComplementDD]: Start complementDD. Operand 78 states and 14220 transitions. [2023-01-28 03:26:15,091 INFO L73 IsDeterministic]: Start isDeterministic. Operand 78 states and 14220 transitions. [2023-01-28 03:26:15,095 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-01-28 03:26:15,095 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 78 states and 14220 transitions. [2023-01-28 03:26:15,106 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 79 states, 78 states have (on average 182.30769230769232) internal successors, (14220), 78 states have internal predecessors, (14220), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-01-28 03:26:15,121 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 79 states, 79 states have (on average 382.0) internal successors, (30178), 79 states have internal predecessors, (30178), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-01-28 03:26:15,123 INFO L81 ComplementDD]: Finished complementDD. Result has 79 states, 79 states have (on average 382.0) internal successors, (30178), 79 states have internal predecessors, (30178), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-01-28 03:26:15,123 INFO L175 Difference]: Start difference. First operand has 214 places, 426 transitions, 2489 flow. Second operand 78 states and 14220 transitions. [2023-01-28 03:26:15,124 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 291 places, 1357 transitions, 10028 flow [2023-01-28 03:26:18,907 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 289 places, 1357 transitions, 10022 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-01-28 03:26:18,921 INFO L231 Difference]: Finished difference. Result has 322 places, 800 transitions, 6768 flow [2023-01-28 03:26:18,921 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=382, PETRI_DIFFERENCE_MINUEND_FLOW=2483, PETRI_DIFFERENCE_MINUEND_PLACES=212, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=426, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=107, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=295, PETRI_DIFFERENCE_SUBTRAHEND_STATES=78, PETRI_FLOW=6768, PETRI_PLACES=322, PETRI_TRANSITIONS=800} [2023-01-28 03:26:18,923 INFO L281 CegarLoopForPetriNet]: 91 programPoint places, 231 predicate places. [2023-01-28 03:26:18,923 INFO L495 AbstractCegarLoop]: Abstraction has has 322 places, 800 transitions, 6768 flow [2023-01-28 03:26:18,924 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 173.28571428571428) internal successors, (3639), 21 states have internal predecessors, (3639), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-01-28 03:26:18,924 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-01-28 03:26:18,924 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:26:18,924 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-01-28 03:26:18,924 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err9INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2023-01-28 03:26:18,924 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-01-28 03:26:18,925 INFO L85 PathProgramCache]: Analyzing trace with hash 1185867669, now seen corresponding path program 8 times [2023-01-28 03:26:18,925 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-01-28 03:26:18,928 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1641350441] [2023-01-28 03:26:18,928 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-28 03:26:18,930 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-01-28 03:26:18,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-01-28 03:26:19,560 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-01-28 03:26:19,560 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-01-28 03:26:19,560 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1641350441] [2023-01-28 03:26:19,561 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1641350441] provided 1 perfect and 0 imperfect interpolant sequences [2023-01-28 03:26:19,561 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-01-28 03:26:19,561 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2023-01-28 03:26:19,561 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1605843470] [2023-01-28 03:26:19,561 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-01-28 03:26:19,561 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2023-01-28 03:26:19,561 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-01-28 03:26:19,562 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2023-01-28 03:26:19,562 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=339, Unknown=0, NotChecked=0, Total=380 [2023-01-28 03:26:19,563 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 172 out of 382 [2023-01-28 03:26:19,564 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 322 places, 800 transitions, 6768 flow. Second operand has 20 states, 20 states have (on average 174.4) internal successors, (3488), 20 states have internal predecessors, (3488), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-01-28 03:26:19,564 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-01-28 03:26:19,565 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 172 of 382 [2023-01-28 03:26:19,565 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-01-28 03:26:37,689 INFO L130 PetriNetUnfolder]: 87497/120383 cut-off events. [2023-01-28 03:26:37,689 INFO L131 PetriNetUnfolder]: For 845281/845295 co-relation queries the response was YES. [2023-01-28 03:26:39,603 INFO L83 FinitePrefix]: Finished finitePrefix Result has 513007 conditions, 120383 events. 87497/120383 cut-off events. For 845281/845295 co-relation queries the response was YES. Maximal size of possible extension queue 2483. Compared 752140 event pairs, 24468 based on Foata normal form. 15/116423 useless extension candidates. Maximal degree in co-relation 512932. Up to 95180 conditions per place. [2023-01-28 03:26:40,033 INFO L137 encePairwiseOnDemand]: 363/382 looper letters, 1100 selfloop transitions, 247 changer transitions 20/1390 dead transitions. [2023-01-28 03:26:40,033 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 364 places, 1390 transitions, 13463 flow [2023-01-28 03:26:40,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2023-01-28 03:26:40,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 45 states. [2023-01-28 03:26:40,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 8307 transitions. [2023-01-28 03:26:40,039 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.48324607329842934 [2023-01-28 03:26:40,039 INFO L72 ComplementDD]: Start complementDD. Operand 45 states and 8307 transitions. [2023-01-28 03:26:40,039 INFO L73 IsDeterministic]: Start isDeterministic. Operand 45 states and 8307 transitions. [2023-01-28 03:26:40,041 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-01-28 03:26:40,041 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 45 states and 8307 transitions. [2023-01-28 03:26:40,046 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 46 states, 45 states have (on average 184.6) internal successors, (8307), 45 states have internal predecessors, (8307), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-01-28 03:26:40,054 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 46 states, 46 states have (on average 382.0) internal successors, (17572), 46 states have internal predecessors, (17572), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-01-28 03:26:40,055 INFO L81 ComplementDD]: Finished complementDD. Result has 46 states, 46 states have (on average 382.0) internal successors, (17572), 46 states have internal predecessors, (17572), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-01-28 03:26:40,055 INFO L175 Difference]: Start difference. First operand has 322 places, 800 transitions, 6768 flow. Second operand 45 states and 8307 transitions. [2023-01-28 03:26:40,055 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 364 places, 1390 transitions, 13463 flow [2023-01-28 03:26:55,470 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 360 places, 1390 transitions, 12289 flow, removed 541 selfloop flow, removed 4 redundant places. [2023-01-28 03:26:55,481 INFO L231 Difference]: Finished difference. Result has 374 places, 1025 transitions, 8974 flow [2023-01-28 03:26:55,482 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=382, PETRI_DIFFERENCE_MINUEND_FLOW=5641, PETRI_DIFFERENCE_MINUEND_PLACES=316, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=800, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=60, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=705, PETRI_DIFFERENCE_SUBTRAHEND_STATES=45, PETRI_FLOW=8974, PETRI_PLACES=374, PETRI_TRANSITIONS=1025} [2023-01-28 03:26:55,482 INFO L281 CegarLoopForPetriNet]: 91 programPoint places, 283 predicate places. [2023-01-28 03:26:55,482 INFO L495 AbstractCegarLoop]: Abstraction has has 374 places, 1025 transitions, 8974 flow [2023-01-28 03:26:55,483 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 174.4) internal successors, (3488), 20 states have internal predecessors, (3488), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-01-28 03:26:55,483 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-01-28 03:26:55,483 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:26:55,483 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-01-28 03:26:55,483 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err9INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2023-01-28 03:26:55,483 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-01-28 03:26:55,483 INFO L85 PathProgramCache]: Analyzing trace with hash 414408044, now seen corresponding path program 2 times [2023-01-28 03:26:55,484 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-01-28 03:26:55,484 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [648080689] [2023-01-28 03:26:55,484 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-28 03:26:55,484 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-01-28 03:26:55,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-01-28 03:26:56,099 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-01-28 03:26:56,099 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-01-28 03:26:56,099 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [648080689] [2023-01-28 03:26:56,099 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [648080689] provided 1 perfect and 0 imperfect interpolant sequences [2023-01-28 03:26:56,100 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-01-28 03:26:56,100 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2023-01-28 03:26:56,100 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1768987885] [2023-01-28 03:26:56,100 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-01-28 03:26:56,100 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2023-01-28 03:26:56,100 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-01-28 03:26:56,101 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2023-01-28 03:26:56,101 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=306, Unknown=0, NotChecked=0, Total=342 [2023-01-28 03:26:56,102 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 172 out of 382 [2023-01-28 03:26:56,103 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 374 places, 1025 transitions, 8974 flow. Second operand has 19 states, 19 states have (on average 174.52631578947367) internal successors, (3316), 19 states have internal predecessors, (3316), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-01-28 03:26:56,103 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-01-28 03:26:56,103 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 172 of 382 [2023-01-28 03:26:56,103 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-01-28 03:27:20,656 INFO L130 PetriNetUnfolder]: 105363/144544 cut-off events. [2023-01-28 03:27:20,657 INFO L131 PetriNetUnfolder]: For 1411209/1411265 co-relation queries the response was YES. [2023-01-28 03:27:23,215 INFO L83 FinitePrefix]: Finished finitePrefix Result has 654930 conditions, 144544 events. 105363/144544 cut-off events. For 1411209/1411265 co-relation queries the response was YES. Maximal size of possible extension queue 2823. Compared 918942 event pairs, 28427 based on Foata normal form. 35/139737 useless extension candidates. Maximal degree in co-relation 654841. Up to 110921 conditions per place. [2023-01-28 03:27:23,767 INFO L137 encePairwiseOnDemand]: 364/382 looper letters, 1312 selfloop transitions, 296 changer transitions 31/1662 dead transitions. [2023-01-28 03:27:23,767 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 423 places, 1662 transitions, 17149 flow [2023-01-28 03:27:23,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2023-01-28 03:27:23,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 50 states. [2023-01-28 03:27:23,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 9230 transitions. [2023-01-28 03:27:23,800 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.48324607329842934 [2023-01-28 03:27:23,800 INFO L72 ComplementDD]: Start complementDD. Operand 50 states and 9230 transitions. [2023-01-28 03:27:23,800 INFO L73 IsDeterministic]: Start isDeterministic. Operand 50 states and 9230 transitions. [2023-01-28 03:27:23,802 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-01-28 03:27:23,802 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 50 states and 9230 transitions. [2023-01-28 03:27:23,816 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 51 states, 50 states have (on average 184.6) internal successors, (9230), 50 states have internal predecessors, (9230), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-01-28 03:27:23,840 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 51 states, 51 states have (on average 382.0) internal successors, (19482), 51 states have internal predecessors, (19482), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-01-28 03:27:23,841 INFO L81 ComplementDD]: Finished complementDD. Result has 51 states, 51 states have (on average 382.0) internal successors, (19482), 51 states have internal predecessors, (19482), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-01-28 03:27:23,841 INFO L175 Difference]: Start difference. First operand has 374 places, 1025 transitions, 8974 flow. Second operand 50 states and 9230 transitions. [2023-01-28 03:27:23,841 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 423 places, 1662 transitions, 17149 flow [2023-01-28 03:27:53,074 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 421 places, 1662 transitions, 16056 flow, removed 541 selfloop flow, removed 2 redundant places. [2023-01-28 03:27:53,092 INFO L231 Difference]: Finished difference. Result has 451 places, 1239 transitions, 11793 flow [2023-01-28 03:27:53,093 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=382, PETRI_DIFFERENCE_MINUEND_FLOW=7909, PETRI_DIFFERENCE_MINUEND_PLACES=372, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1025, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=105, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=898, PETRI_DIFFERENCE_SUBTRAHEND_STATES=50, PETRI_FLOW=11793, PETRI_PLACES=451, PETRI_TRANSITIONS=1239} [2023-01-28 03:27:53,093 INFO L281 CegarLoopForPetriNet]: 91 programPoint places, 360 predicate places. [2023-01-28 03:27:53,094 INFO L495 AbstractCegarLoop]: Abstraction has has 451 places, 1239 transitions, 11793 flow [2023-01-28 03:27:53,094 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 174.52631578947367) internal successors, (3316), 19 states have internal predecessors, (3316), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-01-28 03:27:53,094 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-01-28 03:27:53,094 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:27:53,094 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-01-28 03:27:53,095 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err9INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2023-01-28 03:27:53,095 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-01-28 03:27:53,095 INFO L85 PathProgramCache]: Analyzing trace with hash -1933339520, now seen corresponding path program 3 times [2023-01-28 03:27:53,095 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-01-28 03:27:53,096 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1679016610] [2023-01-28 03:27:53,096 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-28 03:27:53,096 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-01-28 03:27:53,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-01-28 03:27:53,807 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-01-28 03:27:53,807 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-01-28 03:27:53,807 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1679016610] [2023-01-28 03:27:53,807 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1679016610] provided 1 perfect and 0 imperfect interpolant sequences [2023-01-28 03:27:53,807 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-01-28 03:27:53,807 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2023-01-28 03:27:53,807 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [964762511] [2023-01-28 03:27:53,807 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-01-28 03:27:53,808 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2023-01-28 03:27:53,808 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-01-28 03:27:53,808 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2023-01-28 03:27:53,808 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=376, Unknown=0, NotChecked=0, Total=420 [2023-01-28 03:27:53,810 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 171 out of 382 [2023-01-28 03:27:53,811 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 451 places, 1239 transitions, 11793 flow. Second operand has 21 states, 21 states have (on average 173.28571428571428) internal successors, (3639), 21 states have internal predecessors, (3639), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-01-28 03:27:53,811 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-01-28 03:27:53,811 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 171 of 382 [2023-01-28 03:27:53,811 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-01-28 03:28:29,375 INFO L130 PetriNetUnfolder]: 124511/170189 cut-off events. [2023-01-28 03:28:29,375 INFO L131 PetriNetUnfolder]: For 2466777/2466917 co-relation queries the response was YES. [2023-01-28 03:28:33,629 INFO L83 FinitePrefix]: Finished finitePrefix Result has 871695 conditions, 170189 events. 124511/170189 cut-off events. For 2466777/2466917 co-relation queries the response was YES. Maximal size of possible extension queue 3235. Compared 1094619 event pairs, 21266 based on Foata normal form. 27/164501 useless extension candidates. Maximal degree in co-relation 871576. Up to 130171 conditions per place. [2023-01-28 03:28:34,546 INFO L137 encePairwiseOnDemand]: 361/382 looper letters, 1600 selfloop transitions, 465 changer transitions 28/2116 dead transitions. [2023-01-28 03:28:34,546 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 516 places, 2116 transitions, 24434 flow [2023-01-28 03:28:34,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2023-01-28 03:28:34,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 68 states. [2023-01-28 03:28:34,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 12517 transitions. [2023-01-28 03:28:34,556 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.48186787804126885 [2023-01-28 03:28:34,556 INFO L72 ComplementDD]: Start complementDD. Operand 68 states and 12517 transitions. [2023-01-28 03:28:34,556 INFO L73 IsDeterministic]: Start isDeterministic. Operand 68 states and 12517 transitions. [2023-01-28 03:28:34,559 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-01-28 03:28:34,559 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 68 states and 12517 transitions. [2023-01-28 03:28:34,567 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 69 states, 68 states have (on average 184.0735294117647) internal successors, (12517), 68 states have internal predecessors, (12517), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-01-28 03:28:34,584 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 69 states, 69 states have (on average 382.0) internal successors, (26358), 69 states have internal predecessors, (26358), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-01-28 03:28:34,589 INFO L81 ComplementDD]: Finished complementDD. Result has 69 states, 69 states have (on average 382.0) internal successors, (26358), 69 states have internal predecessors, (26358), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-01-28 03:28:34,589 INFO L175 Difference]: Start difference. First operand has 451 places, 1239 transitions, 11793 flow. Second operand 68 states and 12517 transitions. [2023-01-28 03:28:34,589 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 516 places, 2116 transitions, 24434 flow [2023-01-28 03:29:52,837 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 514 places, 2116 transitions, 22610 flow, removed 912 selfloop flow, removed 2 redundant places. [2023-01-28 03:29:52,856 INFO L231 Difference]: Finished difference. Result has 534 places, 1528 transitions, 17065 flow [2023-01-28 03:29:52,857 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=382, PETRI_DIFFERENCE_MINUEND_FLOW=10543, PETRI_DIFFERENCE_MINUEND_PLACES=447, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1239, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=221, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1000, PETRI_DIFFERENCE_SUBTRAHEND_STATES=68, PETRI_FLOW=17065, PETRI_PLACES=534, PETRI_TRANSITIONS=1528} [2023-01-28 03:29:52,858 INFO L281 CegarLoopForPetriNet]: 91 programPoint places, 443 predicate places. [2023-01-28 03:29:52,858 INFO L495 AbstractCegarLoop]: Abstraction has has 534 places, 1528 transitions, 17065 flow [2023-01-28 03:29:52,859 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 173.28571428571428) internal successors, (3639), 21 states have internal predecessors, (3639), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-01-28 03:29:52,859 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-01-28 03:29:52,859 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:29:52,859 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-01-28 03:29:52,859 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err9INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2023-01-28 03:29:52,859 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-01-28 03:29:52,859 INFO L85 PathProgramCache]: Analyzing trace with hash 826324598, now seen corresponding path program 4 times [2023-01-28 03:29:52,860 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-01-28 03:29:52,860 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [204069646] [2023-01-28 03:29:52,860 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-28 03:29:52,860 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-01-28 03:29:52,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-01-28 03:29:53,417 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-01-28 03:29:53,417 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-01-28 03:29:53,417 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [204069646] [2023-01-28 03:29:53,418 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [204069646] provided 1 perfect and 0 imperfect interpolant sequences [2023-01-28 03:29:53,418 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-01-28 03:29:53,418 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2023-01-28 03:29:53,418 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2065557500] [2023-01-28 03:29:53,418 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-01-28 03:29:53,418 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2023-01-28 03:29:53,418 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-01-28 03:29:53,418 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2023-01-28 03:29:53,419 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=305, Unknown=0, NotChecked=0, Total=342 [2023-01-28 03:29:53,420 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 172 out of 382 [2023-01-28 03:29:53,421 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 534 places, 1528 transitions, 17065 flow. Second operand has 19 states, 19 states have (on average 174.52631578947367) internal successors, (3316), 19 states have internal predecessors, (3316), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-01-28 03:29:53,421 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-01-28 03:29:53,421 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 172 of 382 [2023-01-28 03:29:53,421 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand