/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 AFTER -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 09:40:52,047 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-01-28 09:40:52,048 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-01-28 09:40:52,073 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-01-28 09:40:52,073 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-01-28 09:40:52,075 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-01-28 09:40:52,078 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-01-28 09:40:52,080 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-01-28 09:40:52,081 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-01-28 09:40:52,084 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-01-28 09:40:52,085 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-01-28 09:40:52,086 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-01-28 09:40:52,086 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-01-28 09:40:52,088 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-01-28 09:40:52,088 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-01-28 09:40:52,089 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-01-28 09:40:52,090 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-01-28 09:40:52,090 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-01-28 09:40:52,091 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-01-28 09:40:52,095 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-01-28 09:40:52,095 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-01-28 09:40:52,096 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-01-28 09:40:52,097 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-01-28 09:40:52,097 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-01-28 09:40:52,101 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-01-28 09:40:52,101 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-01-28 09:40:52,101 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-01-28 09:40:52,102 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-01-28 09:40:52,102 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-01-28 09:40:52,102 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-01-28 09:40:52,103 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-01-28 09:40:52,103 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-01-28 09:40:52,104 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-01-28 09:40:52,104 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-01-28 09:40:52,105 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-01-28 09:40:52,105 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-01-28 09:40:52,105 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-01-28 09:40:52,105 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-01-28 09:40:52,106 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-01-28 09:40:52,106 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-01-28 09:40:52,106 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-01-28 09:40:52,107 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 09:40:52,135 INFO L113 SettingsManager]: Loading preferences was successful [2023-01-28 09:40:52,135 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-01-28 09:40:52,136 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-01-28 09:40:52,136 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-01-28 09:40:52,137 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-01-28 09:40:52,137 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-01-28 09:40:52,137 INFO L138 SettingsManager]: * Use SBE=true [2023-01-28 09:40:52,137 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-01-28 09:40:52,137 INFO L138 SettingsManager]: * sizeof long=4 [2023-01-28 09:40:52,137 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-01-28 09:40:52,137 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-01-28 09:40:52,138 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-01-28 09:40:52,138 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-01-28 09:40:52,138 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-01-28 09:40:52,138 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-01-28 09:40:52,138 INFO L138 SettingsManager]: * sizeof long double=12 [2023-01-28 09:40:52,138 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-01-28 09:40:52,138 INFO L138 SettingsManager]: * Use constant arrays=true [2023-01-28 09:40:52,138 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-01-28 09:40:52,138 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-01-28 09:40:52,138 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-01-28 09:40:52,138 INFO L138 SettingsManager]: * To the following directory=./dump/ [2023-01-28 09:40:52,138 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-01-28 09:40:52,139 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-01-28 09:40:52,139 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-01-28 09:40:52,139 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-01-28 09:40:52,139 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-01-28 09:40:52,139 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-01-28 09:40:52,139 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-01-28 09:40:52,139 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-01-28 09:40:52,139 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-01-28 09:40:52,139 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> AFTER [2023-01-28 09:40:52,289 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-01-28 09:40:52,307 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-01-28 09:40:52,309 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-01-28 09:40:52,310 INFO L271 PluginConnector]: Initializing CDTParser... [2023-01-28 09:40:52,310 INFO L275 PluginConnector]: CDTParser initialized [2023-01-28 09:40:52,311 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/parallel-barrier.wvr.c [2023-01-28 09:40:53,115 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-01-28 09:40:53,268 INFO L351 CDTParser]: Found 1 translation units. [2023-01-28 09:40:53,269 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/parallel-barrier.wvr.c [2023-01-28 09:40:53,273 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/858d68bc3/3f8703f8634f49b7ae9b39ea95cf3ec2/FLAG9c3362500 [2023-01-28 09:40:53,281 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/858d68bc3/3f8703f8634f49b7ae9b39ea95cf3ec2 [2023-01-28 09:40:53,283 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-01-28 09:40:53,283 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2023-01-28 09:40:53,284 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-01-28 09:40:53,284 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-01-28 09:40:53,286 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-01-28 09:40:53,286 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.01 09:40:53" (1/1) ... [2023-01-28 09:40:53,287 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@15f3b582 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 09:40:53, skipping insertion in model container [2023-01-28 09:40:53,287 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.01 09:40:53" (1/1) ... [2023-01-28 09:40:53,291 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-01-28 09:40:53,316 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-01-28 09:40:53,441 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 09:40:53,443 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-01-28 09:40:53,455 INFO L203 MainTranslator]: Completed pre-run [2023-01-28 09:40:53,472 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 09:40:53,472 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-01-28 09:40:53,478 WARN L667 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-01-28 09:40:53,478 WARN L667 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-01-28 09:40:53,482 INFO L208 MainTranslator]: Completed translation [2023-01-28 09:40:53,482 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 09:40:53 WrapperNode [2023-01-28 09:40:53,482 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-01-28 09:40:53,483 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-01-28 09:40:53,483 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-01-28 09:40:53,483 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-01-28 09:40:53,487 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 09:40:53" (1/1) ... [2023-01-28 09:40:53,493 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 09:40:53" (1/1) ... [2023-01-28 09:40:53,509 INFO L138 Inliner]: procedures = 25, calls = 98, calls flagged for inlining = 10, calls inlined = 10, statements flattened = 265 [2023-01-28 09:40:53,509 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-01-28 09:40:53,510 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-01-28 09:40:53,510 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-01-28 09:40:53,510 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-01-28 09:40:53,515 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 09:40:53" (1/1) ... [2023-01-28 09:40:53,516 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 09:40:53" (1/1) ... [2023-01-28 09:40:53,518 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 09:40:53" (1/1) ... [2023-01-28 09:40:53,518 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 09:40:53" (1/1) ... [2023-01-28 09:40:53,522 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 09:40:53" (1/1) ... [2023-01-28 09:40:53,523 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 09:40:53" (1/1) ... [2023-01-28 09:40:53,525 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 09:40:53" (1/1) ... [2023-01-28 09:40:53,525 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 09:40:53" (1/1) ... [2023-01-28 09:40:53,527 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-01-28 09:40:53,528 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-01-28 09:40:53,528 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-01-28 09:40:53,528 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-01-28 09:40:53,528 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 09:40:53" (1/1) ... [2023-01-28 09:40:53,532 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-01-28 09:40:53,540 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-01-28 09:40:53,549 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 09:40:53,554 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 09:40:53,584 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-01-28 09:40:53,584 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-01-28 09:40:53,584 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-01-28 09:40:53,584 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-01-28 09:40:53,584 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-01-28 09:40:53,584 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-01-28 09:40:53,584 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-01-28 09:40:53,584 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-01-28 09:40:53,584 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-01-28 09:40:53,584 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-01-28 09:40:53,585 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2023-01-28 09:40:53,585 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2023-01-28 09:40:53,585 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-01-28 09:40:53,585 INFO L130 BoogieDeclarations]: Found specification of procedure thread5 [2023-01-28 09:40:53,585 INFO L138 BoogieDeclarations]: Found implementation of procedure thread5 [2023-01-28 09:40:53,585 INFO L130 BoogieDeclarations]: Found specification of procedure thread6 [2023-01-28 09:40:53,585 INFO L138 BoogieDeclarations]: Found implementation of procedure thread6 [2023-01-28 09:40:53,585 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-01-28 09:40:53,585 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-01-28 09:40:53,585 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-01-28 09:40:53,585 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-01-28 09:40:53,585 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-01-28 09:40:53,586 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 09:40:53,691 INFO L236 CfgBuilder]: Building ICFG [2023-01-28 09:40:53,692 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-01-28 09:40:53,907 INFO L277 CfgBuilder]: Performing block encoding [2023-01-28 09:40:53,948 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-01-28 09:40:53,948 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-01-28 09:40:53,950 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.01 09:40:53 BoogieIcfgContainer [2023-01-28 09:40:53,950 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-01-28 09:40:53,951 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-01-28 09:40:53,951 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-01-28 09:40:53,953 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-01-28 09:40:53,953 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.01 09:40:53" (1/3) ... [2023-01-28 09:40:53,954 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e8c3f01 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.01 09:40:53, skipping insertion in model container [2023-01-28 09:40:53,954 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 09:40:53" (2/3) ... [2023-01-28 09:40:53,954 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e8c3f01 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.01 09:40:53, skipping insertion in model container [2023-01-28 09:40:53,954 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.01 09:40:53" (3/3) ... [2023-01-28 09:40:53,955 INFO L112 eAbstractionObserver]: Analyzing ICFG parallel-barrier.wvr.c [2023-01-28 09:40:53,965 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-01-28 09:40:53,965 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-01-28 09:40:53,965 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-01-28 09:40:54,048 INFO L144 ThreadInstanceAdder]: Constructed 18 joinOtherThreadTransitions. [2023-01-28 09:40:54,072 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 247 places, 236 transitions, 544 flow [2023-01-28 09:40:54,127 INFO L130 PetriNetUnfolder]: 8/208 cut-off events. [2023-01-28 09:40:54,127 INFO L131 PetriNetUnfolder]: For 6/6 co-relation queries the response was YES. [2023-01-28 09:40:54,135 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 09:40:54,135 INFO L82 GeneralOperation]: Start removeDead. Operand has 247 places, 236 transitions, 544 flow [2023-01-28 09:40:54,139 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 211 places, 200 transitions, 448 flow [2023-01-28 09:40:54,141 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-01-28 09:40:54,146 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 211 places, 200 transitions, 448 flow [2023-01-28 09:40:54,148 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 211 places, 200 transitions, 448 flow [2023-01-28 09:40:54,148 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 211 places, 200 transitions, 448 flow [2023-01-28 09:40:54,231 INFO L130 PetriNetUnfolder]: 8/200 cut-off events. [2023-01-28 09:40:54,231 INFO L131 PetriNetUnfolder]: For 6/6 co-relation queries the response was YES. [2023-01-28 09:40:54,233 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 09:40:54,235 INFO L119 LiptonReduction]: Number of co-enabled transitions 7268 [2023-01-28 09:40:57,547 INFO L134 LiptonReduction]: Checked pairs total: 54922 [2023-01-28 09:40:57,547 INFO L136 LiptonReduction]: Total number of compositions: 142 [2023-01-28 09:40:57,556 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-01-28 09:40:57,560 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;@7c31ac72, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-01-28 09:40:57,560 INFO L358 AbstractCegarLoop]: Starting to check reachability of 11 error locations. [2023-01-28 09:40:57,569 INFO L130 PetriNetUnfolder]: 6/77 cut-off events. [2023-01-28 09:40:57,569 INFO L131 PetriNetUnfolder]: For 6/6 co-relation queries the response was YES. [2023-01-28 09:40:57,569 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-01-28 09:40:57,569 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 09:40:57,570 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 09:40:57,572 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-01-28 09:40:57,573 INFO L85 PathProgramCache]: Analyzing trace with hash -800234902, now seen corresponding path program 1 times [2023-01-28 09:40:57,578 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-01-28 09:40:57,578 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [457263940] [2023-01-28 09:40:57,578 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-28 09:40:57,579 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-01-28 09:40:57,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-01-28 09:40:57,779 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 09:40:57,780 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-01-28 09:40:57,780 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [457263940] [2023-01-28 09:40:57,780 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [457263940] provided 1 perfect and 0 imperfect interpolant sequences [2023-01-28 09:40:57,781 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-01-28 09:40:57,781 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-01-28 09:40:57,782 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1922451553] [2023-01-28 09:40:57,782 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-01-28 09:40:57,787 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-01-28 09:40:57,790 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-01-28 09:40:57,806 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-01-28 09:40:57,807 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-01-28 09:40:57,809 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 207 out of 382 [2023-01-28 09:40:57,813 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 09:40:57,814 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-01-28 09:40:57,814 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 207 of 382 [2023-01-28 09:40:57,814 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-01-28 09:40:58,677 INFO L130 PetriNetUnfolder]: 6800/10951 cut-off events. [2023-01-28 09:40:58,677 INFO L131 PetriNetUnfolder]: For 1693/1693 co-relation queries the response was YES. [2023-01-28 09:40:58,776 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 09:40:58,818 INFO L137 encePairwiseOnDemand]: 380/382 looper letters, 40 selfloop transitions, 0 changer transitions 1/76 dead transitions. [2023-01-28 09:40:58,818 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 92 places, 76 transitions, 282 flow [2023-01-28 09:40:58,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-01-28 09:40:58,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2023-01-28 09:40:58,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 457 transitions. [2023-01-28 09:40:58,827 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5981675392670157 [2023-01-28 09:40:58,827 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 457 transitions. [2023-01-28 09:40:58,828 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 457 transitions. [2023-01-28 09:40:58,829 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-01-28 09:40:58,830 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 457 transitions. [2023-01-28 09:40:58,833 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 09:40:58,835 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 09:40:58,836 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 09:40:58,837 INFO L175 Difference]: Start difference. First operand has 91 places, 78 transitions, 204 flow. Second operand 2 states and 457 transitions. [2023-01-28 09:40:58,837 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 92 places, 76 transitions, 282 flow [2023-01-28 09:40:58,881 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 09:40:58,882 INFO L231 Difference]: Finished difference. Result has 80 places, 75 transitions, 166 flow [2023-01-28 09:40:58,884 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 09:40:58,886 INFO L281 CegarLoopForPetriNet]: 91 programPoint places, -11 predicate places. [2023-01-28 09:40:58,886 INFO L495 AbstractCegarLoop]: Abstraction has has 80 places, 75 transitions, 166 flow [2023-01-28 09:40:58,886 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 09:40:58,886 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-01-28 09:40:58,886 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 09:40:58,886 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-01-28 09:40:58,887 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 09:40:58,887 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-01-28 09:40:58,887 INFO L85 PathProgramCache]: Analyzing trace with hash 415429005, now seen corresponding path program 1 times [2023-01-28 09:40:58,887 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-01-28 09:40:58,887 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1057883967] [2023-01-28 09:40:58,887 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-28 09:40:58,888 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-01-28 09:40:59,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-01-28 09:40:59,346 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 09:40:59,347 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-01-28 09:40:59,347 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1057883967] [2023-01-28 09:40:59,347 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1057883967] provided 1 perfect and 0 imperfect interpolant sequences [2023-01-28 09:40:59,347 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-01-28 09:40:59,347 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-01-28 09:40:59,348 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1084678689] [2023-01-28 09:40:59,348 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-01-28 09:40:59,349 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-01-28 09:40:59,349 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-01-28 09:40:59,350 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-01-28 09:40:59,350 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-01-28 09:40:59,351 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 202 out of 382 [2023-01-28 09:40:59,352 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 09:40:59,352 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-01-28 09:40:59,352 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 202 of 382 [2023-01-28 09:40:59,352 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-01-28 09:41:00,051 INFO L130 PetriNetUnfolder]: 6155/10159 cut-off events. [2023-01-28 09:41:00,051 INFO L131 PetriNetUnfolder]: For 451/451 co-relation queries the response was YES. [2023-01-28 09:41:00,063 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 09:41:00,094 INFO L137 encePairwiseOnDemand]: 378/382 looper letters, 75 selfloop transitions, 3 changer transitions 0/112 dead transitions. [2023-01-28 09:41:00,094 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 82 places, 112 transitions, 410 flow [2023-01-28 09:41:00,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-01-28 09:41:00,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2023-01-28 09:41:00,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 887 transitions. [2023-01-28 09:41:00,098 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5804973821989529 [2023-01-28 09:41:00,098 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 887 transitions. [2023-01-28 09:41:00,098 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 887 transitions. [2023-01-28 09:41:00,099 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-01-28 09:41:00,099 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 887 transitions. [2023-01-28 09:41:00,100 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 09:41:00,103 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 09:41:00,104 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 09:41:00,104 INFO L175 Difference]: Start difference. First operand has 80 places, 75 transitions, 166 flow. Second operand 4 states and 887 transitions. [2023-01-28 09:41:00,104 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 82 places, 112 transitions, 410 flow [2023-01-28 09:41:00,105 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 09:41:00,107 INFO L231 Difference]: Finished difference. Result has 83 places, 75 transitions, 176 flow [2023-01-28 09:41:00,108 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 09:41:00,108 INFO L281 CegarLoopForPetriNet]: 91 programPoint places, -8 predicate places. [2023-01-28 09:41:00,108 INFO L495 AbstractCegarLoop]: Abstraction has has 83 places, 75 transitions, 176 flow [2023-01-28 09:41:00,109 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 09:41:00,109 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-01-28 09:41:00,109 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 09:41:00,109 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-01-28 09:41:00,109 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 09:41:00,111 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-01-28 09:41:00,111 INFO L85 PathProgramCache]: Analyzing trace with hash 1295147923, now seen corresponding path program 2 times [2023-01-28 09:41:00,111 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-01-28 09:41:00,111 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1738107721] [2023-01-28 09:41:00,112 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-28 09:41:00,112 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-01-28 09:41:00,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-01-28 09:41:01,027 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 09:41:01,028 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-01-28 09:41:01,028 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1738107721] [2023-01-28 09:41:01,028 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1738107721] provided 1 perfect and 0 imperfect interpolant sequences [2023-01-28 09:41:01,028 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-01-28 09:41:01,028 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2023-01-28 09:41:01,028 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1854310634] [2023-01-28 09:41:01,028 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-01-28 09:41:01,029 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2023-01-28 09:41:01,029 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-01-28 09:41:01,029 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2023-01-28 09:41:01,029 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=238, Unknown=0, NotChecked=0, Total=272 [2023-01-28 09:41:01,031 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 172 out of 382 [2023-01-28 09:41:01,034 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 09:41:01,034 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-01-28 09:41:01,034 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 172 of 382 [2023-01-28 09:41:01,034 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-01-28 09:41:08,564 INFO L130 PetriNetUnfolder]: 78245/106344 cut-off events. [2023-01-28 09:41:08,564 INFO L131 PetriNetUnfolder]: For 5814/5814 co-relation queries the response was YES. [2023-01-28 09:41:08,721 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 09:41:09,024 INFO L137 encePairwiseOnDemand]: 364/382 looper letters, 469 selfloop transitions, 129 changer transitions 29/650 dead transitions. [2023-01-28 09:41:09,024 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 117 places, 650 transitions, 2795 flow [2023-01-28 09:41:09,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2023-01-28 09:41:09,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35 states. [2023-01-28 09:41:09,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 6648 transitions. [2023-01-28 09:41:09,034 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.49723261032161553 [2023-01-28 09:41:09,034 INFO L72 ComplementDD]: Start complementDD. Operand 35 states and 6648 transitions. [2023-01-28 09:41:09,034 INFO L73 IsDeterministic]: Start isDeterministic. Operand 35 states and 6648 transitions. [2023-01-28 09:41:09,037 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-01-28 09:41:09,037 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 35 states and 6648 transitions. [2023-01-28 09:41:09,046 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 09:41:09,061 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 09:41:09,063 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 09:41:09,063 INFO L175 Difference]: Start difference. First operand has 83 places, 75 transitions, 176 flow. Second operand 35 states and 6648 transitions. [2023-01-28 09:41:09,063 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 117 places, 650 transitions, 2795 flow [2023-01-28 09:41:09,183 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 09:41:09,187 INFO L231 Difference]: Finished difference. Result has 132 places, 214 transitions, 895 flow [2023-01-28 09:41:09,187 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 09:41:09,188 INFO L281 CegarLoopForPetriNet]: 91 programPoint places, 41 predicate places. [2023-01-28 09:41:09,188 INFO L495 AbstractCegarLoop]: Abstraction has has 132 places, 214 transitions, 895 flow [2023-01-28 09:41:09,189 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 09:41:09,189 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-01-28 09:41:09,189 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 09:41:09,189 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-01-28 09:41:09,189 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 09:41:09,189 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-01-28 09:41:09,189 INFO L85 PathProgramCache]: Analyzing trace with hash 1874849889, now seen corresponding path program 3 times [2023-01-28 09:41:09,190 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-01-28 09:41:09,190 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2002123182] [2023-01-28 09:41:09,190 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-28 09:41:09,190 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-01-28 09:41:09,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-01-28 09:41:09,332 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 09:41:09,332 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-01-28 09:41:09,332 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2002123182] [2023-01-28 09:41:09,332 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2002123182] provided 1 perfect and 0 imperfect interpolant sequences [2023-01-28 09:41:09,332 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-01-28 09:41:09,332 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-01-28 09:41:09,332 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [55497910] [2023-01-28 09:41:09,332 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-01-28 09:41:09,333 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-01-28 09:41:09,333 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-01-28 09:41:09,333 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-01-28 09:41:09,333 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-01-28 09:41:09,334 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 203 out of 382 [2023-01-28 09:41:09,334 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 09:41:09,334 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-01-28 09:41:09,334 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 203 of 382 [2023-01-28 09:41:09,334 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-01-28 09:41:11,350 INFO L130 PetriNetUnfolder]: 17697/28148 cut-off events. [2023-01-28 09:41:11,351 INFO L131 PetriNetUnfolder]: For 10480/11072 co-relation queries the response was YES. [2023-01-28 09:41:11,444 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 09:41:11,535 INFO L137 encePairwiseOnDemand]: 379/382 looper letters, 84 selfloop transitions, 2 changer transitions 0/164 dead transitions. [2023-01-28 09:41:11,535 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 117 places, 164 transitions, 791 flow [2023-01-28 09:41:11,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-01-28 09:41:11,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-01-28 09:41:11,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 671 transitions. [2023-01-28 09:41:11,545 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5855148342059336 [2023-01-28 09:41:11,545 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 671 transitions. [2023-01-28 09:41:11,545 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 671 transitions. [2023-01-28 09:41:11,545 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-01-28 09:41:11,545 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 671 transitions. [2023-01-28 09:41:11,547 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 09:41:11,548 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 09:41:11,549 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 09:41:11,549 INFO L175 Difference]: Start difference. First operand has 132 places, 214 transitions, 895 flow. Second operand 3 states and 671 transitions. [2023-01-28 09:41:11,549 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 117 places, 164 transitions, 791 flow [2023-01-28 09:41:11,741 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 09:41:11,743 INFO L231 Difference]: Finished difference. Result has 107 places, 140 transitions, 511 flow [2023-01-28 09:41:11,743 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 09:41:11,744 INFO L281 CegarLoopForPetriNet]: 91 programPoint places, 16 predicate places. [2023-01-28 09:41:11,744 INFO L495 AbstractCegarLoop]: Abstraction has has 107 places, 140 transitions, 511 flow [2023-01-28 09:41:11,744 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 09:41:11,744 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-01-28 09:41:11,744 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 09:41:11,744 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-01-28 09:41:11,745 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 09:41:11,745 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-01-28 09:41:11,745 INFO L85 PathProgramCache]: Analyzing trace with hash 889750141, now seen corresponding path program 4 times [2023-01-28 09:41:11,745 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-01-28 09:41:11,745 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [4921501] [2023-01-28 09:41:11,745 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-28 09:41:11,745 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-01-28 09:41:11,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-01-28 09:41:12,604 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 09:41:12,604 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-01-28 09:41:12,604 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [4921501] [2023-01-28 09:41:12,604 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [4921501] provided 1 perfect and 0 imperfect interpolant sequences [2023-01-28 09:41:12,605 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-01-28 09:41:12,605 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2023-01-28 09:41:12,605 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [149407643] [2023-01-28 09:41:12,605 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-01-28 09:41:12,605 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2023-01-28 09:41:12,605 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-01-28 09:41:12,606 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2023-01-28 09:41:12,606 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=339, Unknown=0, NotChecked=0, Total=380 [2023-01-28 09:41:12,607 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 172 out of 382 [2023-01-28 09:41:12,609 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 09:41:12,609 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-01-28 09:41:12,609 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 172 of 382 [2023-01-28 09:41:12,609 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-01-28 09:41:22,233 INFO L130 PetriNetUnfolder]: 66042/90270 cut-off events. [2023-01-28 09:41:22,233 INFO L131 PetriNetUnfolder]: For 31455/31461 co-relation queries the response was YES. [2023-01-28 09:41:22,467 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 09:41:22,680 INFO L137 encePairwiseOnDemand]: 363/382 looper letters, 664 selfloop transitions, 224 changer transitions 25/936 dead transitions. [2023-01-28 09:41:22,680 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 172 places, 936 transitions, 4660 flow [2023-01-28 09:41:22,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2023-01-28 09:41:22,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 66 states. [2023-01-28 09:41:22,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 12230 transitions. [2023-01-28 09:41:22,698 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.48508646676185946 [2023-01-28 09:41:22,698 INFO L72 ComplementDD]: Start complementDD. Operand 66 states and 12230 transitions. [2023-01-28 09:41:22,698 INFO L73 IsDeterministic]: Start isDeterministic. Operand 66 states and 12230 transitions. [2023-01-28 09:41:22,703 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-01-28 09:41:22,703 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 66 states and 12230 transitions. [2023-01-28 09:41:22,719 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 09:41:22,741 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 09:41:22,745 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 09:41:22,745 INFO L175 Difference]: Start difference. First operand has 107 places, 140 transitions, 511 flow. Second operand 66 states and 12230 transitions. [2023-01-28 09:41:22,745 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 172 places, 936 transitions, 4660 flow [2023-01-28 09:41:22,855 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 09:41:22,860 INFO L231 Difference]: Finished difference. Result has 181 places, 349 transitions, 1931 flow [2023-01-28 09:41:22,860 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 09:41:22,861 INFO L281 CegarLoopForPetriNet]: 91 programPoint places, 90 predicate places. [2023-01-28 09:41:22,861 INFO L495 AbstractCegarLoop]: Abstraction has has 181 places, 349 transitions, 1931 flow [2023-01-28 09:41:22,862 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 09:41:22,862 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-01-28 09:41:22,862 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 09:41:22,862 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-01-28 09:41:22,862 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 09:41:22,863 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-01-28 09:41:22,863 INFO L85 PathProgramCache]: Analyzing trace with hash 909847024, now seen corresponding path program 1 times [2023-01-28 09:41:22,863 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-01-28 09:41:22,863 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1959435633] [2023-01-28 09:41:22,863 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-28 09:41:22,863 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-01-28 09:41:22,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-01-28 09:41:23,453 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 09:41:23,454 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-01-28 09:41:23,454 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1959435633] [2023-01-28 09:41:23,454 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1959435633] provided 1 perfect and 0 imperfect interpolant sequences [2023-01-28 09:41:23,454 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-01-28 09:41:23,454 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2023-01-28 09:41:23,454 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1101782008] [2023-01-28 09:41:23,454 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-01-28 09:41:23,455 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2023-01-28 09:41:23,455 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-01-28 09:41:23,455 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2023-01-28 09:41:23,455 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=305, Unknown=0, NotChecked=0, Total=342 [2023-01-28 09:41:23,457 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 172 out of 382 [2023-01-28 09:41:23,458 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 09:41:23,458 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-01-28 09:41:23,458 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 172 of 382 [2023-01-28 09:41:23,459 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-01-28 09:41:32,685 INFO L130 PetriNetUnfolder]: 75226/102789 cut-off events. [2023-01-28 09:41:32,686 INFO L131 PetriNetUnfolder]: For 129882/129894 co-relation queries the response was YES. [2023-01-28 09:41:33,121 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 09:41:33,515 INFO L137 encePairwiseOnDemand]: 364/382 looper letters, 604 selfloop transitions, 146 changer transitions 44/817 dead transitions. [2023-01-28 09:41:33,515 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 215 places, 817 transitions, 5401 flow [2023-01-28 09:41:33,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2023-01-28 09:41:33,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 36 states. [2023-01-28 09:41:33,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 6663 transitions. [2023-01-28 09:41:33,530 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.48451134380453753 [2023-01-28 09:41:33,530 INFO L72 ComplementDD]: Start complementDD. Operand 36 states and 6663 transitions. [2023-01-28 09:41:33,530 INFO L73 IsDeterministic]: Start isDeterministic. Operand 36 states and 6663 transitions. [2023-01-28 09:41:33,532 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-01-28 09:41:33,532 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 36 states and 6663 transitions. [2023-01-28 09:41:33,539 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 09:41:33,550 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 09:41:33,552 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 09:41:33,552 INFO L175 Difference]: Start difference. First operand has 181 places, 349 transitions, 1931 flow. Second operand 36 states and 6663 transitions. [2023-01-28 09:41:33,552 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 215 places, 817 transitions, 5401 flow [2023-01-28 09:41:34,817 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 09:41:34,822 INFO L231 Difference]: Finished difference. Result has 225 places, 486 transitions, 2943 flow [2023-01-28 09:41:34,823 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 09:41:34,823 INFO L281 CegarLoopForPetriNet]: 91 programPoint places, 134 predicate places. [2023-01-28 09:41:34,823 INFO L495 AbstractCegarLoop]: Abstraction has has 225 places, 486 transitions, 2943 flow [2023-01-28 09:41:34,824 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 09:41:34,824 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-01-28 09:41:34,824 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 09:41:34,824 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-01-28 09:41:34,824 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 09:41:34,825 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-01-28 09:41:34,825 INFO L85 PathProgramCache]: Analyzing trace with hash -1384318865, now seen corresponding path program 5 times [2023-01-28 09:41:34,825 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-01-28 09:41:34,825 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [487317460] [2023-01-28 09:41:34,825 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-28 09:41:34,825 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-01-28 09:41:34,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-01-28 09:41:34,951 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 09:41:34,951 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-01-28 09:41:34,951 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [487317460] [2023-01-28 09:41:34,951 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [487317460] provided 1 perfect and 0 imperfect interpolant sequences [2023-01-28 09:41:34,951 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-01-28 09:41:34,951 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-01-28 09:41:34,952 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [516758365] [2023-01-28 09:41:34,952 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-01-28 09:41:34,952 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-01-28 09:41:34,952 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-01-28 09:41:34,952 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-01-28 09:41:34,952 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-01-28 09:41:34,953 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 202 out of 382 [2023-01-28 09:41:34,953 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 09:41:34,953 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-01-28 09:41:34,953 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 202 of 382 [2023-01-28 09:41:34,953 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-01-28 09:41:37,357 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 09:41:37,357 INFO L383 tUnfolder$Statistics]: this new event has 41 ancestors and is not cut-off event [2023-01-28 09:41:37,357 INFO L386 tUnfolder$Statistics]: existing Event has 41 ancestors and is not cut-off event [2023-01-28 09:41:37,357 INFO L386 tUnfolder$Statistics]: existing Event has 41 ancestors and is not cut-off event [2023-01-28 09:41:37,357 INFO L386 tUnfolder$Statistics]: existing Event has 41 ancestors and is not cut-off event [2023-01-28 09:41:37,452 INFO L381 tUnfolder$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 09:41:37,452 INFO L383 tUnfolder$Statistics]: this new event has 42 ancestors and is not cut-off event [2023-01-28 09:41:37,453 INFO L386 tUnfolder$Statistics]: existing Event has 42 ancestors and is not cut-off event [2023-01-28 09:41:37,453 INFO L386 tUnfolder$Statistics]: existing Event has 42 ancestors and is not cut-off event [2023-01-28 09:41:37,453 INFO L386 tUnfolder$Statistics]: existing Event has 42 ancestors and is not cut-off event [2023-01-28 09:41:37,526 INFO L381 tUnfolder$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 09:41:37,526 INFO L383 tUnfolder$Statistics]: this new event has 42 ancestors and is not cut-off event [2023-01-28 09:41:37,526 INFO L386 tUnfolder$Statistics]: existing Event has 42 ancestors and is not cut-off event [2023-01-28 09:41:37,526 INFO L386 tUnfolder$Statistics]: existing Event has 42 ancestors and is not cut-off event [2023-01-28 09:41:37,526 INFO L386 tUnfolder$Statistics]: existing Event has 42 ancestors and is not cut-off event [2023-01-28 09:41:37,621 INFO L381 tUnfolder$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 09:41:37,621 INFO L383 tUnfolder$Statistics]: this new event has 43 ancestors and is not cut-off event [2023-01-28 09:41:37,621 INFO L386 tUnfolder$Statistics]: existing Event has 43 ancestors and is not cut-off event [2023-01-28 09:41:37,621 INFO L386 tUnfolder$Statistics]: existing Event has 43 ancestors and is not cut-off event [2023-01-28 09:41:37,621 INFO L386 tUnfolder$Statistics]: existing Event has 43 ancestors and is not cut-off event [2023-01-28 09:41:39,941 INFO L130 PetriNetUnfolder]: 34503/53294 cut-off events. [2023-01-28 09:41:39,941 INFO L131 PetriNetUnfolder]: For 66979/74566 co-relation queries the response was YES. [2023-01-28 09:41:40,308 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 09:41:40,501 INFO L137 encePairwiseOnDemand]: 378/382 looper letters, 227 selfloop transitions, 3 changer transitions 0/503 dead transitions. [2023-01-28 09:41:40,502 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 217 places, 503 transitions, 3542 flow [2023-01-28 09:41:40,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-01-28 09:41:40,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2023-01-28 09:41:40,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 889 transitions. [2023-01-28 09:41:40,506 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5818062827225131 [2023-01-28 09:41:40,506 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 889 transitions. [2023-01-28 09:41:40,506 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 889 transitions. [2023-01-28 09:41:40,506 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-01-28 09:41:40,506 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 889 transitions. [2023-01-28 09:41:40,507 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 09:41:40,508 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 09:41:40,509 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 09:41:40,509 INFO L175 Difference]: Start difference. First operand has 225 places, 486 transitions, 2943 flow. Second operand 4 states and 889 transitions. [2023-01-28 09:41:40,509 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 217 places, 503 transitions, 3542 flow [2023-01-28 09:41:41,351 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 09:41:41,356 INFO L231 Difference]: Finished difference. Result has 214 places, 427 transitions, 2488 flow [2023-01-28 09:41:41,356 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 09:41:41,356 INFO L281 CegarLoopForPetriNet]: 91 programPoint places, 123 predicate places. [2023-01-28 09:41:41,357 INFO L495 AbstractCegarLoop]: Abstraction has has 214 places, 427 transitions, 2488 flow [2023-01-28 09:41:41,357 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 09:41:41,357 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-01-28 09:41:41,357 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 09:41:41,357 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-01-28 09:41:41,357 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 09:41:41,357 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-01-28 09:41:41,358 INFO L85 PathProgramCache]: Analyzing trace with hash 13186073, now seen corresponding path program 6 times [2023-01-28 09:41:41,358 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-01-28 09:41:41,358 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1670437219] [2023-01-28 09:41:41,358 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-28 09:41:41,358 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-01-28 09:41:41,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-01-28 09:41:41,491 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 09:41:41,491 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-01-28 09:41:41,491 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1670437219] [2023-01-28 09:41:41,491 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1670437219] provided 1 perfect and 0 imperfect interpolant sequences [2023-01-28 09:41:41,491 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-01-28 09:41:41,491 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-01-28 09:41:41,491 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2036464798] [2023-01-28 09:41:41,491 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-01-28 09:41:41,491 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-01-28 09:41:41,492 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-01-28 09:41:41,492 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-01-28 09:41:41,492 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-01-28 09:41:41,493 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 203 out of 382 [2023-01-28 09:41:41,493 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 09:41:41,493 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-01-28 09:41:41,493 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 203 of 382 [2023-01-28 09:41:41,493 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-01-28 09:41:45,242 INFO L130 PetriNetUnfolder]: 27865/43898 cut-off events. [2023-01-28 09:41:45,242 INFO L131 PetriNetUnfolder]: For 48978/52747 co-relation queries the response was YES. [2023-01-28 09:41:45,493 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 09:41:45,622 INFO L137 encePairwiseOnDemand]: 379/382 looper letters, 173 selfloop transitions, 3 changer transitions 0/448 dead transitions. [2023-01-28 09:41:45,622 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 216 places, 448 transitions, 2910 flow [2023-01-28 09:41:45,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-01-28 09:41:45,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-01-28 09:41:45,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 673 transitions. [2023-01-28 09:41:45,623 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.587260034904014 [2023-01-28 09:41:45,623 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 673 transitions. [2023-01-28 09:41:45,623 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 673 transitions. [2023-01-28 09:41:45,623 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-01-28 09:41:45,623 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 673 transitions. [2023-01-28 09:41:45,624 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 09:41:45,625 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 09:41:45,625 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 09:41:45,625 INFO L175 Difference]: Start difference. First operand has 214 places, 427 transitions, 2488 flow. Second operand 3 states and 673 transitions. [2023-01-28 09:41:45,625 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 216 places, 448 transitions, 2910 flow [2023-01-28 09:41:46,011 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 09:41:46,015 INFO L231 Difference]: Finished difference. Result has 214 places, 426 transitions, 2489 flow [2023-01-28 09:41:46,015 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 09:41:46,016 INFO L281 CegarLoopForPetriNet]: 91 programPoint places, 123 predicate places. [2023-01-28 09:41:46,016 INFO L495 AbstractCegarLoop]: Abstraction has has 214 places, 426 transitions, 2489 flow [2023-01-28 09:41:46,016 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 09:41:46,016 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-01-28 09:41:46,016 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 09:41:46,016 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-01-28 09:41:46,016 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 09:41:46,017 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-01-28 09:41:46,017 INFO L85 PathProgramCache]: Analyzing trace with hash 550546311, now seen corresponding path program 7 times [2023-01-28 09:41:46,017 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-01-28 09:41:46,017 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [742738754] [2023-01-28 09:41:46,017 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-28 09:41:46,017 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-01-28 09:41:46,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-01-28 09:41:46,733 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 09:41:46,733 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-01-28 09:41:46,733 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [742738754] [2023-01-28 09:41:46,733 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [742738754] provided 1 perfect and 0 imperfect interpolant sequences [2023-01-28 09:41:46,733 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-01-28 09:41:46,734 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2023-01-28 09:41:46,734 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1146657571] [2023-01-28 09:41:46,734 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-01-28 09:41:46,734 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2023-01-28 09:41:46,734 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-01-28 09:41:46,735 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2023-01-28 09:41:46,735 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=378, Unknown=0, NotChecked=0, Total=420 [2023-01-28 09:41:46,736 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 171 out of 382 [2023-01-28 09:41:46,738 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 09:41:46,738 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-01-28 09:41:46,738 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 171 of 382 [2023-01-28 09:41:46,738 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-01-28 09:41:59,376 INFO L130 PetriNetUnfolder]: 74458/102565 cut-off events. [2023-01-28 09:41:59,376 INFO L131 PetriNetUnfolder]: For 183441/183515 co-relation queries the response was YES. [2023-01-28 09:42:00,103 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 09:42:00,446 INFO L137 encePairwiseOnDemand]: 362/382 looper letters, 847 selfloop transitions, 432 changer transitions 55/1357 dead transitions. [2023-01-28 09:42:00,446 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 291 places, 1357 transitions, 10028 flow [2023-01-28 09:42:00,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 78 states. [2023-01-28 09:42:00,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 78 states. [2023-01-28 09:42:00,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 14220 transitions. [2023-01-28 09:42:00,458 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.47724526782118404 [2023-01-28 09:42:00,458 INFO L72 ComplementDD]: Start complementDD. Operand 78 states and 14220 transitions. [2023-01-28 09:42:00,458 INFO L73 IsDeterministic]: Start isDeterministic. Operand 78 states and 14220 transitions. [2023-01-28 09:42:00,460 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-01-28 09:42:00,460 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 78 states and 14220 transitions. [2023-01-28 09:42:00,474 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 09:42:00,493 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 09:42:00,495 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 09:42:00,495 INFO L175 Difference]: Start difference. First operand has 214 places, 426 transitions, 2489 flow. Second operand 78 states and 14220 transitions. [2023-01-28 09:42:00,495 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 291 places, 1357 transitions, 10028 flow [2023-01-28 09:42:04,245 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 09:42:04,253 INFO L231 Difference]: Finished difference. Result has 322 places, 800 transitions, 6768 flow [2023-01-28 09:42:04,254 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 09:42:04,254 INFO L281 CegarLoopForPetriNet]: 91 programPoint places, 231 predicate places. [2023-01-28 09:42:04,254 INFO L495 AbstractCegarLoop]: Abstraction has has 322 places, 800 transitions, 6768 flow [2023-01-28 09:42:04,255 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 09:42:04,255 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-01-28 09:42:04,255 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 09:42:04,255 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-01-28 09:42:04,255 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 09:42:04,255 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-01-28 09:42:04,256 INFO L85 PathProgramCache]: Analyzing trace with hash 1185867669, now seen corresponding path program 8 times [2023-01-28 09:42:04,256 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-01-28 09:42:04,256 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1523837512] [2023-01-28 09:42:04,256 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-28 09:42:04,256 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-01-28 09:42:04,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-01-28 09:42:04,831 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 09:42:04,831 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-01-28 09:42:04,831 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1523837512] [2023-01-28 09:42:04,831 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1523837512] provided 1 perfect and 0 imperfect interpolant sequences [2023-01-28 09:42:04,831 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-01-28 09:42:04,831 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2023-01-28 09:42:04,832 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1588458056] [2023-01-28 09:42:04,832 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-01-28 09:42:04,832 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2023-01-28 09:42:04,832 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-01-28 09:42:04,832 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2023-01-28 09:42:04,832 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=339, Unknown=0, NotChecked=0, Total=380 [2023-01-28 09:42:04,834 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 172 out of 382 [2023-01-28 09:42:04,835 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 09:42:04,835 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-01-28 09:42:04,835 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 172 of 382 [2023-01-28 09:42:04,835 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-01-28 09:42:21,587 INFO L130 PetriNetUnfolder]: 87497/120383 cut-off events. [2023-01-28 09:42:21,588 INFO L131 PetriNetUnfolder]: For 845281/845295 co-relation queries the response was YES. [2023-01-28 09:42:23,279 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 09:42:23,678 INFO L137 encePairwiseOnDemand]: 363/382 looper letters, 1100 selfloop transitions, 247 changer transitions 20/1390 dead transitions. [2023-01-28 09:42:23,678 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 364 places, 1390 transitions, 13463 flow [2023-01-28 09:42:23,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2023-01-28 09:42:23,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 45 states. [2023-01-28 09:42:23,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 8307 transitions. [2023-01-28 09:42:23,684 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.48324607329842934 [2023-01-28 09:42:23,684 INFO L72 ComplementDD]: Start complementDD. Operand 45 states and 8307 transitions. [2023-01-28 09:42:23,684 INFO L73 IsDeterministic]: Start isDeterministic. Operand 45 states and 8307 transitions. [2023-01-28 09:42:23,685 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-01-28 09:42:23,685 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 45 states and 8307 transitions. [2023-01-28 09:42:23,692 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 09:42:23,702 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 09:42:23,703 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 09:42:23,703 INFO L175 Difference]: Start difference. First operand has 322 places, 800 transitions, 6768 flow. Second operand 45 states and 8307 transitions. [2023-01-28 09:42:23,703 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 364 places, 1390 transitions, 13463 flow [2023-01-28 09:42:39,845 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 09:42:39,856 INFO L231 Difference]: Finished difference. Result has 374 places, 1025 transitions, 8974 flow [2023-01-28 09:42:39,857 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 09:42:39,857 INFO L281 CegarLoopForPetriNet]: 91 programPoint places, 283 predicate places. [2023-01-28 09:42:39,857 INFO L495 AbstractCegarLoop]: Abstraction has has 374 places, 1025 transitions, 8974 flow [2023-01-28 09:42:39,858 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 09:42:39,858 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-01-28 09:42:39,858 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 09:42:39,858 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-01-28 09:42:39,858 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 09:42:39,858 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-01-28 09:42:39,858 INFO L85 PathProgramCache]: Analyzing trace with hash 414408044, now seen corresponding path program 2 times [2023-01-28 09:42:39,858 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-01-28 09:42:39,858 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [267364395] [2023-01-28 09:42:39,858 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-28 09:42:39,858 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-01-28 09:42:39,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-01-28 09:42:40,385 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 09:42:40,385 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-01-28 09:42:40,385 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [267364395] [2023-01-28 09:42:40,385 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [267364395] provided 1 perfect and 0 imperfect interpolant sequences [2023-01-28 09:42:40,385 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-01-28 09:42:40,385 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2023-01-28 09:42:40,385 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [875494558] [2023-01-28 09:42:40,385 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-01-28 09:42:40,385 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2023-01-28 09:42:40,386 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-01-28 09:42:40,386 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2023-01-28 09:42:40,386 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=306, Unknown=0, NotChecked=0, Total=342 [2023-01-28 09:42:40,387 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 172 out of 382 [2023-01-28 09:42:40,388 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 09:42:40,388 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-01-28 09:42:40,388 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 172 of 382 [2023-01-28 09:42:40,388 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-01-28 09:43:03,202 INFO L130 PetriNetUnfolder]: 105363/144544 cut-off events. [2023-01-28 09:43:03,203 INFO L131 PetriNetUnfolder]: For 1411209/1411265 co-relation queries the response was YES. [2023-01-28 09:43:05,492 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 09:43:06,006 INFO L137 encePairwiseOnDemand]: 364/382 looper letters, 1312 selfloop transitions, 296 changer transitions 31/1662 dead transitions. [2023-01-28 09:43:06,006 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 423 places, 1662 transitions, 17149 flow [2023-01-28 09:43:06,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2023-01-28 09:43:06,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 50 states. [2023-01-28 09:43:06,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 9230 transitions. [2023-01-28 09:43:06,012 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.48324607329842934 [2023-01-28 09:43:06,012 INFO L72 ComplementDD]: Start complementDD. Operand 50 states and 9230 transitions. [2023-01-28 09:43:06,012 INFO L73 IsDeterministic]: Start isDeterministic. Operand 50 states and 9230 transitions. [2023-01-28 09:43:06,013 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-01-28 09:43:06,014 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 50 states and 9230 transitions. [2023-01-28 09:43:06,020 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 09:43:06,029 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 09:43:06,030 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 09:43:06,030 INFO L175 Difference]: Start difference. First operand has 374 places, 1025 transitions, 8974 flow. Second operand 50 states and 9230 transitions. [2023-01-28 09:43:06,030 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 423 places, 1662 transitions, 17149 flow [2023-01-28 09:43:34,586 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 09:43:34,600 INFO L231 Difference]: Finished difference. Result has 451 places, 1239 transitions, 11793 flow [2023-01-28 09:43:34,601 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 09:43:34,601 INFO L281 CegarLoopForPetriNet]: 91 programPoint places, 360 predicate places. [2023-01-28 09:43:34,601 INFO L495 AbstractCegarLoop]: Abstraction has has 451 places, 1239 transitions, 11793 flow [2023-01-28 09:43:34,602 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 09:43:34,602 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-01-28 09:43:34,602 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 09:43:34,602 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-01-28 09:43:34,602 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 09:43:34,602 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-01-28 09:43:34,602 INFO L85 PathProgramCache]: Analyzing trace with hash -1933339520, now seen corresponding path program 3 times [2023-01-28 09:43:34,602 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-01-28 09:43:34,602 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [806251524] [2023-01-28 09:43:34,602 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-28 09:43:34,603 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-01-28 09:43:34,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-01-28 09:43:35,231 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 09:43:35,231 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-01-28 09:43:35,231 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [806251524] [2023-01-28 09:43:35,231 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [806251524] provided 1 perfect and 0 imperfect interpolant sequences [2023-01-28 09:43:35,231 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-01-28 09:43:35,232 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2023-01-28 09:43:35,232 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1603280566] [2023-01-28 09:43:35,232 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-01-28 09:43:35,232 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2023-01-28 09:43:35,232 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-01-28 09:43:35,232 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2023-01-28 09:43:35,233 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=376, Unknown=0, NotChecked=0, Total=420 [2023-01-28 09:43:35,234 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 171 out of 382 [2023-01-28 09:43:35,235 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 09:43:35,235 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-01-28 09:43:35,235 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 171 of 382 [2023-01-28 09:43:35,235 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-01-28 09:44:08,682 INFO L130 PetriNetUnfolder]: 124511/170189 cut-off events. [2023-01-28 09:44:08,682 INFO L131 PetriNetUnfolder]: For 2466777/2466917 co-relation queries the response was YES. [2023-01-28 09:44:12,534 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 09:44:13,168 INFO L137 encePairwiseOnDemand]: 361/382 looper letters, 1600 selfloop transitions, 465 changer transitions 28/2116 dead transitions. [2023-01-28 09:44:13,168 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 516 places, 2116 transitions, 24434 flow [2023-01-28 09:44:13,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2023-01-28 09:44:13,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 68 states. [2023-01-28 09:44:13,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 12517 transitions. [2023-01-28 09:44:13,175 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.48186787804126885 [2023-01-28 09:44:13,175 INFO L72 ComplementDD]: Start complementDD. Operand 68 states and 12517 transitions. [2023-01-28 09:44:13,175 INFO L73 IsDeterministic]: Start isDeterministic. Operand 68 states and 12517 transitions. [2023-01-28 09:44:13,177 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-01-28 09:44:13,177 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 68 states and 12517 transitions. [2023-01-28 09:44:13,187 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 09:44:13,199 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 09:44:13,201 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 09:44:13,201 INFO L175 Difference]: Start difference. First operand has 451 places, 1239 transitions, 11793 flow. Second operand 68 states and 12517 transitions. [2023-01-28 09:44:13,201 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 516 places, 2116 transitions, 24434 flow [2023-01-28 09:45:24,648 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 09:45:24,666 INFO L231 Difference]: Finished difference. Result has 534 places, 1528 transitions, 17065 flow [2023-01-28 09:45:24,667 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 09:45:24,668 INFO L281 CegarLoopForPetriNet]: 91 programPoint places, 443 predicate places. [2023-01-28 09:45:24,668 INFO L495 AbstractCegarLoop]: Abstraction has has 534 places, 1528 transitions, 17065 flow [2023-01-28 09:45:24,668 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 09:45:24,668 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-01-28 09:45:24,668 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 09:45:24,668 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-01-28 09:45:24,669 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 09:45:24,669 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-01-28 09:45:24,669 INFO L85 PathProgramCache]: Analyzing trace with hash 826324598, now seen corresponding path program 4 times [2023-01-28 09:45:24,669 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-01-28 09:45:24,669 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1833258296] [2023-01-28 09:45:24,669 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-28 09:45:24,669 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-01-28 09:45:24,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-01-28 09:45:25,151 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 09:45:25,152 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-01-28 09:45:25,152 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1833258296] [2023-01-28 09:45:25,152 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1833258296] provided 1 perfect and 0 imperfect interpolant sequences [2023-01-28 09:45:25,152 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-01-28 09:45:25,152 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2023-01-28 09:45:25,152 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1000231191] [2023-01-28 09:45:25,152 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-01-28 09:45:25,152 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2023-01-28 09:45:25,153 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-01-28 09:45:25,153 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2023-01-28 09:45:25,153 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=305, Unknown=0, NotChecked=0, Total=342 [2023-01-28 09:45:25,154 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 172 out of 382 [2023-01-28 09:45:25,155 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 09:45:25,155 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-01-28 09:45:25,155 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 172 of 382 [2023-01-28 09:45:25,155 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-01-28 09:46:05,161 INFO L130 PetriNetUnfolder]: 135079/184472 cut-off events. [2023-01-28 09:46:05,162 INFO L131 PetriNetUnfolder]: For 3668539/3668627 co-relation queries the response was YES. [2023-01-28 09:46:10,200 INFO L83 FinitePrefix]: Finished finitePrefix Result has 978370 conditions, 184472 events. 135079/184472 cut-off events. For 3668539/3668627 co-relation queries the response was YES. Maximal size of possible extension queue 3576. Compared 1194129 event pairs, 32993 based on Foata normal form. 15/177800 useless extension candidates. Maximal degree in co-relation 978232. Up to 143022 conditions per place. [2023-01-28 09:46:10,907 INFO L137 encePairwiseOnDemand]: 364/382 looper letters, 1468 selfloop transitions, 625 changer transitions 31/2147 dead transitions. [2023-01-28 09:46:10,907 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 571 places, 2147 transitions, 25823 flow [2023-01-28 09:46:10,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2023-01-28 09:46:10,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39 states. [2023-01-28 09:46:10,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 7280 transitions. [2023-01-28 09:46:10,911 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4886561954624782 [2023-01-28 09:46:10,911 INFO L72 ComplementDD]: Start complementDD. Operand 39 states and 7280 transitions. [2023-01-28 09:46:10,911 INFO L73 IsDeterministic]: Start isDeterministic. Operand 39 states and 7280 transitions. [2023-01-28 09:46:10,912 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-01-28 09:46:10,912 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 39 states and 7280 transitions. [2023-01-28 09:46:10,917 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 40 states, 39 states have (on average 186.66666666666666) internal successors, (7280), 39 states have internal predecessors, (7280), 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 09:46:10,924 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 40 states, 40 states have (on average 382.0) internal successors, (15280), 40 states have internal predecessors, (15280), 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 09:46:10,924 INFO L81 ComplementDD]: Finished complementDD. Result has 40 states, 40 states have (on average 382.0) internal successors, (15280), 40 states have internal predecessors, (15280), 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 09:46:10,925 INFO L175 Difference]: Start difference. First operand has 534 places, 1528 transitions, 17065 flow. Second operand 39 states and 7280 transitions. [2023-01-28 09:46:10,925 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 571 places, 2147 transitions, 25823 flow [2023-01-28 09:47:44,992 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 567 places, 2147 transitions, 21631 flow, removed 2007 selfloop flow, removed 4 redundant places. [2023-01-28 09:47:45,012 INFO L231 Difference]: Finished difference. Result has 581 places, 1726 transitions, 17192 flow [2023-01-28 09:47:45,013 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=382, PETRI_DIFFERENCE_MINUEND_FLOW=12879, PETRI_DIFFERENCE_MINUEND_PLACES=529, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1528, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=436, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1060, PETRI_DIFFERENCE_SUBTRAHEND_STATES=39, PETRI_FLOW=17192, PETRI_PLACES=581, PETRI_TRANSITIONS=1726} [2023-01-28 09:47:45,013 INFO L281 CegarLoopForPetriNet]: 91 programPoint places, 490 predicate places. [2023-01-28 09:47:45,013 INFO L495 AbstractCegarLoop]: Abstraction has has 581 places, 1726 transitions, 17192 flow [2023-01-28 09:47:45,014 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 09:47:45,014 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-01-28 09:47:45,014 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 09:47:45,014 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2023-01-28 09:47:45,014 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err9INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2023-01-28 09:47:45,014 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-01-28 09:47:45,015 INFO L85 PathProgramCache]: Analyzing trace with hash 2028488910, now seen corresponding path program 5 times [2023-01-28 09:47:45,015 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-01-28 09:47:45,015 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [730444734] [2023-01-28 09:47:45,015 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-28 09:47:45,015 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-01-28 09:47:45,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-01-28 09:47:45,561 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 09:47:45,561 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-01-28 09:47:45,561 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [730444734] [2023-01-28 09:47:45,561 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [730444734] provided 1 perfect and 0 imperfect interpolant sequences [2023-01-28 09:47:45,561 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-01-28 09:47:45,561 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2023-01-28 09:47:45,561 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1428829298] [2023-01-28 09:47:45,562 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-01-28 09:47:45,562 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2023-01-28 09:47:45,562 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-01-28 09:47:45,562 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2023-01-28 09:47:45,562 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=305, Unknown=0, NotChecked=0, Total=342 [2023-01-28 09:47:45,563 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 172 out of 382 [2023-01-28 09:47:45,565 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 581 places, 1726 transitions, 17192 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 09:47:45,565 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-01-28 09:47:45,565 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 172 of 382 [2023-01-28 09:47:45,565 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand