/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-RepeatedSemanticLbeWithDisjunctivePredicates.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread/singleton.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-d5b4239aa45c8d22a30959944f2ef622f7386a6d-d5b4239 [2021-03-26 08:24:19,221 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-03-26 08:24:19,222 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-03-26 08:24:19,248 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-03-26 08:24:19,249 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-03-26 08:24:19,250 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-03-26 08:24:19,251 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-03-26 08:24:19,253 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-03-26 08:24:19,254 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-03-26 08:24:19,255 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-03-26 08:24:19,256 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-03-26 08:24:19,257 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-03-26 08:24:19,257 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-03-26 08:24:19,258 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-03-26 08:24:19,259 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-03-26 08:24:19,260 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-03-26 08:24:19,261 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-03-26 08:24:19,261 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-03-26 08:24:19,263 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-03-26 08:24:19,264 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-03-26 08:24:19,266 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-03-26 08:24:19,267 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-03-26 08:24:19,268 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-03-26 08:24:19,268 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-03-26 08:24:19,271 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-03-26 08:24:19,277 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-03-26 08:24:19,278 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-03-26 08:24:19,279 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-03-26 08:24:19,281 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-RepeatedSemanticLbeWithDisjunctivePredicates.epf [2021-03-26 08:24:19,313 INFO L113 SettingsManager]: Loading preferences was successful [2021-03-26 08:24:19,313 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-03-26 08:24:19,315 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-03-26 08:24:19,315 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-03-26 08:24:19,315 INFO L138 SettingsManager]: * Use SBE=true [2021-03-26 08:24:19,316 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-03-26 08:24:19,316 INFO L138 SettingsManager]: * sizeof long=4 [2021-03-26 08:24:19,316 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-03-26 08:24:19,316 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-03-26 08:24:19,316 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-03-26 08:24:19,316 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-03-26 08:24:19,316 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-03-26 08:24:19,317 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-03-26 08:24:19,317 INFO L138 SettingsManager]: * sizeof long double=12 [2021-03-26 08:24:19,317 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-03-26 08:24:19,317 INFO L138 SettingsManager]: * Use constant arrays=true [2021-03-26 08:24:19,317 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-03-26 08:24:19,317 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-03-26 08:24:19,318 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-03-26 08:24:19,318 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-03-26 08:24:19,318 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-03-26 08:24:19,318 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-03-26 08:24:19,318 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-03-26 08:24:19,318 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-03-26 08:24:19,318 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-03-26 08:24:19,319 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-03-26 08:24:19,319 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-03-26 08:24:19,319 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=SEMANTIC_BASED_MOVER_CHECK_WITH_PREDICATES_DISJUNCTIVE [2021-03-26 08:24:19,319 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-03-26 08:24:19,319 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-03-26 08:24:19,319 INFO L138 SettingsManager]: * Apply repeated Lipton Reduction=true 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-03-26 08:24:19,584 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-03-26 08:24:19,600 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-03-26 08:24:19,603 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-03-26 08:24:19,604 INFO L271 PluginConnector]: Initializing CDTParser... [2021-03-26 08:24:19,604 INFO L275 PluginConnector]: CDTParser initialized [2021-03-26 08:24:19,605 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread/singleton.i [2021-03-26 08:24:19,655 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/28080f0f5/91d322bc861e40d1a17eee56acb0198e/FLAG307abd491 [2021-03-26 08:24:20,251 INFO L306 CDTParser]: Found 1 translation units. [2021-03-26 08:24:20,251 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread/singleton.i [2021-03-26 08:24:20,267 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/28080f0f5/91d322bc861e40d1a17eee56acb0198e/FLAG307abd491 [2021-03-26 08:24:20,647 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/28080f0f5/91d322bc861e40d1a17eee56acb0198e [2021-03-26 08:24:20,649 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-03-26 08:24:20,650 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-03-26 08:24:20,651 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-03-26 08:24:20,651 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-03-26 08:24:20,657 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-03-26 08:24:20,658 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.03 08:24:20" (1/1) ... [2021-03-26 08:24:20,658 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4ae8fe49 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 08:24:20, skipping insertion in model container [2021-03-26 08:24:20,659 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.03 08:24:20" (1/1) ... [2021-03-26 08:24:20,671 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-03-26 08:24:20,717 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-03-26 08:24:20,930 WARN L612 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2021-03-26 08:24:21,133 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread/singleton.i[55547,55560] [2021-03-26 08:24:21,155 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-03-26 08:24:21,163 INFO L203 MainTranslator]: Completed pre-run [2021-03-26 08:24:21,198 WARN L612 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2021-03-26 08:24:21,210 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread/singleton.i[55547,55560] [2021-03-26 08:24:21,216 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-03-26 08:24:21,372 INFO L208 MainTranslator]: Completed translation [2021-03-26 08:24:21,373 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 08:24:21 WrapperNode [2021-03-26 08:24:21,373 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-03-26 08:24:21,374 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-03-26 08:24:21,374 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-03-26 08:24:21,374 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-03-26 08:24:21,380 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 08:24:21" (1/1) ... [2021-03-26 08:24:21,406 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 08:24:21" (1/1) ... [2021-03-26 08:24:21,433 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-03-26 08:24:21,434 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-03-26 08:24:21,434 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-03-26 08:24:21,434 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-03-26 08:24:21,439 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 08:24:21" (1/1) ... [2021-03-26 08:24:21,439 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 08:24:21" (1/1) ... [2021-03-26 08:24:21,442 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 08:24:21" (1/1) ... [2021-03-26 08:24:21,442 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 08:24:21" (1/1) ... [2021-03-26 08:24:21,448 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 08:24:21" (1/1) ... [2021-03-26 08:24:21,459 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 08:24:21" (1/1) ... [2021-03-26 08:24:21,461 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 08:24:21" (1/1) ... [2021-03-26 08:24:21,463 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-03-26 08:24:21,464 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-03-26 08:24:21,464 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-03-26 08:24:21,464 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-03-26 08:24:21,465 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 08:24:21" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-03-26 08:24:21,523 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-03-26 08:24:21,523 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-03-26 08:24:21,523 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-03-26 08:24:21,524 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-03-26 08:24:21,524 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-03-26 08:24:21,524 INFO L130 BoogieDeclarations]: Found specification of procedure thread0 [2021-03-26 08:24:21,524 INFO L138 BoogieDeclarations]: Found implementation of procedure thread0 [2021-03-26 08:24:21,524 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-03-26 08:24:21,524 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-03-26 08:24:21,524 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-03-26 08:24:21,524 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-03-26 08:24:21,525 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-03-26 08:24:21,525 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-03-26 08:24:21,525 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-03-26 08:24:21,525 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-03-26 08:24:21,525 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-03-26 08:24:21,525 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-03-26 08:24:21,531 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-03-26 08:24:21,533 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-03-26 08:24:21,812 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-03-26 08:24:21,812 INFO L299 CfgBuilder]: Removed 6 assume(true) statements. [2021-03-26 08:24:21,813 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.03 08:24:21 BoogieIcfgContainer [2021-03-26 08:24:21,814 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-03-26 08:24:21,815 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-03-26 08:24:21,815 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-03-26 08:24:21,817 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-03-26 08:24:21,817 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.03 08:24:20" (1/3) ... [2021-03-26 08:24:21,818 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@40ee17f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.03 08:24:21, skipping insertion in model container [2021-03-26 08:24:21,818 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 08:24:21" (2/3) ... [2021-03-26 08:24:21,818 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@40ee17f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.03 08:24:21, skipping insertion in model container [2021-03-26 08:24:21,818 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.03 08:24:21" (3/3) ... [2021-03-26 08:24:21,819 INFO L111 eAbstractionObserver]: Analyzing ICFG singleton.i [2021-03-26 08:24:21,824 INFO L149 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-03-26 08:24:21,827 INFO L161 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-03-26 08:24:21,827 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-03-26 08:24:21,882 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:24:21,883 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:24:21,883 WARN L313 ript$VariableManager]: TermVariabe thread0Thread1of1ForFork4_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:24:21,883 WARN L313 ript$VariableManager]: TermVariabe thread0Thread1of1ForFork4_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:24:21,883 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:24:21,883 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:24:21,883 WARN L313 ript$VariableManager]: TermVariabe thread0Thread1of1ForFork4_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:24:21,884 WARN L313 ript$VariableManager]: TermVariabe thread0Thread1of1ForFork4_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:24:21,884 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t1~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:24:21,884 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t1~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:24:21,895 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t1~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:24:21,896 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t1~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:24:21,896 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t2~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:24:21,896 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t2~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:24:21,897 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t2~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:24:21,897 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t2~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:24:21,897 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t3~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:24:21,897 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t3~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:24:21,897 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t3~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:24:21,898 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t3~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:24:21,898 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t4~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:24:21,898 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t4~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:24:21,898 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t4~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:24:21,898 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t4~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:24:21,898 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t5~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:24:21,899 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t5~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:24:21,899 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t5~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:24:21,899 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t5~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:24:21,899 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t1~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:24:21,899 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t1~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:24:21,899 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t1~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:24:21,900 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t1~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:24:21,900 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:24:21,900 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:24:21,900 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t1~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:24:21,900 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t1~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:24:21,900 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:24:21,901 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t1~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:24:21,901 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t1~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:24:21,901 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:24:21,901 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:24:21,902 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:24:21,902 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t2~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:24:21,902 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t2~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:24:21,902 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t2~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:24:21,902 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t2~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:24:21,902 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:24:21,902 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:24:21,903 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t3~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:24:21,903 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t3~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:24:21,903 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t3~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:24:21,903 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t3~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:24:21,908 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:24:21,908 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:24:21,908 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t4~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:24:21,908 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t4~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:24:21,908 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t4~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:24:21,909 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t4~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:24:21,909 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:24:21,909 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:24:21,909 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t5~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:24:21,909 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t5~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:24:21,909 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t5~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:24:21,909 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t5~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:24:21,910 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:24:21,910 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:24:21,910 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t2~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:24:21,910 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t2~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:24:21,910 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_#t~mem13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:24:21,910 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t2~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:24:21,910 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t2~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:24:21,911 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_#t~mem13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:24:21,911 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_#t~mem13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:24:21,911 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_#t~mem13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:24:21,911 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t3~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:24:21,911 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t3~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:24:21,911 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_#t~mem14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:24:21,911 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t3~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:24:21,911 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t3~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:24:21,912 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_#t~mem14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:24:21,912 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_#t~mem14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:24:21,912 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_#t~mem14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:24:21,912 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t4~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:24:21,912 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t4~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:24:21,912 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_#t~mem15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:24:21,912 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t4~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:24:21,913 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t4~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:24:21,913 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_#t~mem15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:24:21,913 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_#t~mem15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:24:21,913 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_#t~mem15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:24:21,913 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t5~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:24:21,913 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t5~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:24:21,913 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_#t~mem16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:24:21,913 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t5~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:24:21,914 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t5~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:24:21,914 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_#t~mem16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:24:21,914 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_#t~mem16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:24:21,914 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_#t~mem16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:24:21,914 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:24:21,914 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:24:21,914 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:24:21,914 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:24:21,915 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t1~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:24:21,915 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t1~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:24:21,915 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t1~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:24:21,915 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t1~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:24:21,915 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t1~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:24:21,915 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t1~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:24:21,915 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t2~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:24:21,916 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t2~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:24:21,916 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t2~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:24:21,916 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t2~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:24:21,916 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t2~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:24:21,916 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t2~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:24:21,916 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t3~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:24:21,916 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t3~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:24:21,916 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t3~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:24:21,917 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t3~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:24:21,917 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t3~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:24:21,917 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t3~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:24:21,917 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t4~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:24:21,917 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t4~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:24:21,917 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t4~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:24:21,917 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t4~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:24:21,917 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t4~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:24:21,918 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t4~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:24:21,918 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t5~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:24:21,918 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t5~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:24:21,918 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t5~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:24:21,918 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t5~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:24:21,918 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t5~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:24:21,918 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t5~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:24:21,919 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:24:21,919 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:24:21,919 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:24:21,919 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:24:21,919 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:24:21,919 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:24:21,923 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:24:21,923 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:24:21,923 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#t~malloc6.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:24:21,924 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#t~malloc6.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:24:21,924 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#t~malloc6.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:24:21,924 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#t~malloc6.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:24:21,924 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#t~malloc6.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:24:21,924 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#t~malloc6.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:24:21,924 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#t~malloc6.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:24:21,925 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#t~malloc6.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:24:21,926 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:24:21,926 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:24:21,926 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:24:21,926 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:24:21,927 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:24:21,927 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:24:21,927 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:24:21,928 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:24:21,929 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:24:21,929 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:24:21,929 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:24:21,929 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:24:21,929 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:24:21,930 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:24:21,930 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:24:21,930 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:24:21,930 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:24:21,930 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:24:21,930 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:24:21,930 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:24:21,930 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:24:21,931 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:24:21,931 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:24:21,931 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:24:21,931 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:24:21,931 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:24:21,931 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:24:21,931 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:24:21,932 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork5_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:24:21,932 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork5_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:24:21,933 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork5_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:24:21,933 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork5_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:24:21,933 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork5_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:24:21,933 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork5_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:24:21,933 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork5_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:24:21,933 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork5_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:24:21,934 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork5_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:24:21,934 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork5_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:24:21,934 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork5_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:24:21,934 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork5_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:24:21,935 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:24:21,936 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:24:21,936 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:24:21,936 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:24:21,936 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:24:21,936 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:24:21,936 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:24:21,936 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:24:21,937 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:24:21,937 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:24:21,937 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:24:21,937 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:24:21,942 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:24:21,942 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:24:21,943 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:24:21,943 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:24:21,950 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:24:21,951 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:24:21,951 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:24:21,951 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:24:21,953 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:24:21,953 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:24:21,954 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:24:21,954 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:24:21,962 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:24:21,962 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:24:21,962 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:24:21,963 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:24:21,963 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#t~malloc6.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:24:21,963 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#t~malloc6.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:24:21,970 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t4~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:24:21,976 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_#t~mem15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:24:21,976 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:24:21,976 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_#t~mem16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:24:21,976 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:24:21,976 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t3~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:24:21,976 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:24:21,977 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:24:21,977 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:24:21,977 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:24:21,977 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:24:21,977 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t4~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:24:21,977 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t2~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:24:21,977 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_#t~mem13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:24:21,977 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_#t~mem14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:24:21,977 WARN L313 ript$VariableManager]: TermVariabe thread0Thread1of1ForFork4_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:24:21,978 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t3~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:24:21,978 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t1~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:24:21,978 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:24:21,978 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t1~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:24:21,978 WARN L313 ript$VariableManager]: TermVariabe thread0Thread1of1ForFork4_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:24:21,978 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t2~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:24:21,978 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t5~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:24:21,978 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t5~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:24:21,982 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork5_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:24:21,983 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork5_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:24:21,983 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork5_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:24:21,983 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork5_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:24:21,988 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:24:21,988 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:24:21,988 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:24:21,989 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:24:21,989 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#t~malloc6.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:24:21,989 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#t~malloc6.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:24:21,993 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork5_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:24:21,994 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork5_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:24:21,994 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork5_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:24:21,994 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork5_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:24:21,996 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:24:21,997 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:24:21,997 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:24:21,997 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:24:21,999 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:24:22,000 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:24:22,000 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:24:22,000 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:24:22,003 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:24:22,004 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:24:22,004 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:24:22,004 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:24:22,123 INFO L149 ThreadInstanceAdder]: Constructed 121 joinOtherThreadTransitions. [2021-03-26 08:24:22,139 INFO L253 AbstractCegarLoop]: Starting to check reachability of 12 error locations. [2021-03-26 08:24:22,177 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-03-26 08:24:22,178 INFO L377 AbstractCegarLoop]: Hoare is false [2021-03-26 08:24:22,178 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-03-26 08:24:22,178 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-03-26 08:24:22,178 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-03-26 08:24:22,178 INFO L381 AbstractCegarLoop]: Difference is false [2021-03-26 08:24:22,178 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-03-26 08:24:22,178 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-03-26 08:24:22,197 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 167 places, 248 transitions, 876 flow [2021-03-26 08:24:22,308 INFO L129 PetriNetUnfolder]: 61/274 cut-off events. [2021-03-26 08:24:22,308 INFO L130 PetriNetUnfolder]: For 39/39 co-relation queries the response was YES. [2021-03-26 08:24:22,320 INFO L84 FinitePrefix]: Finished finitePrefix Result has 370 conditions, 274 events. 61/274 cut-off events. For 39/39 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 804 event pairs, 0 based on Foata normal form. 0/224 useless extension candidates. Maximal degree in co-relation 330. Up to 24 conditions per place. [2021-03-26 08:24:22,320 INFO L82 GeneralOperation]: Start removeDead. Operand has 167 places, 248 transitions, 876 flow [2021-03-26 08:24:22,334 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 119 places, 140 transitions, 433 flow [2021-03-26 08:24:22,336 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 08:24:22,347 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 119 places, 140 transitions, 433 flow [2021-03-26 08:24:22,349 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 119 places, 140 transitions, 433 flow [2021-03-26 08:24:22,351 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 119 places, 140 transitions, 433 flow [2021-03-26 08:24:22,382 INFO L129 PetriNetUnfolder]: 61/274 cut-off events. [2021-03-26 08:24:22,383 INFO L130 PetriNetUnfolder]: For 39/39 co-relation queries the response was YES. [2021-03-26 08:24:22,384 INFO L84 FinitePrefix]: Finished finitePrefix Result has 370 conditions, 274 events. 61/274 cut-off events. For 39/39 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 770 event pairs, 0 based on Foata normal form. 0/224 useless extension candidates. Maximal degree in co-relation 330. Up to 24 conditions per place. [2021-03-26 08:24:22,390 INFO L142 LiptonReduction]: Number of co-enabled transitions 4156 [2021-03-26 08:24:24,256 INFO L154 LiptonReduction]: Checked pairs total: 2005 [2021-03-26 08:24:24,256 INFO L156 LiptonReduction]: Total number of compositions: 60 [2021-03-26 08:24:24,258 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1923 [2021-03-26 08:24:24,266 INFO L129 PetriNetUnfolder]: 2/17 cut-off events. [2021-03-26 08:24:24,266 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2021-03-26 08:24:24,267 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 08:24:24,267 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 08:24:24,267 INFO L428 AbstractCegarLoop]: === Iteration 1 === [thread0Err6INUSE_VIOLATION, thread0Err0INUSE_VIOLATION, thread0Thread1of1ForFork4Err1INUSE_VIOLATION, thread0Thread1of1ForFork4Err4INUSE_VIOLATION, ULTIMATE.startErr7INUSE_VIOLATION, thread0Thread1of1ForFork4Err5INUSE_VIOLATION, thread0Thread1of1ForFork4Err10INUSE_VIOLATION, thread0Err9INUSE_VIOLATION, thread0Err3INUSE_VIOLATION, thread0Err8INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, thread0Thread1of1ForFork4Err2INUSE_VIOLATION]=== [2021-03-26 08:24:24,271 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 08:24:24,272 INFO L82 PathProgramCache]: Analyzing trace with hash -828543654, now seen corresponding path program 1 times [2021-03-26 08:24:24,278 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 08:24:24,279 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1670106049] [2021-03-26 08:24:24,279 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 08:24:24,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 08:24:24,527 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:24:24,528 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:24:24,528 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:24:24,529 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 08:24:24,537 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:24:24,538 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 08:24:24,547 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:24:24,548 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 08:24:24,556 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:24:24,557 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 08:24:24,562 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:24:24,564 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-26 08:24:24,570 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:24:24,570 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-26 08:24:24,576 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:24:24,576 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:24:24,578 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 08:24:24,578 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1670106049] [2021-03-26 08:24:24,578 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 08:24:24,579 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 08:24:24,580 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [445331224] [2021-03-26 08:24:24,587 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 08:24:24,588 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 08:24:24,598 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 08:24:24,599 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-03-26 08:24:24,605 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 182 out of 319 [2021-03-26 08:24:24,610 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 63 places, 84 transitions, 321 flow. Second operand has 8 states, 8 states have (on average 183.375) internal successors, (1467), 8 states have internal predecessors, (1467), 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) [2021-03-26 08:24:24,610 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 08:24:24,610 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 182 of 319 [2021-03-26 08:24:24,611 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 08:24:25,233 INFO L129 PetriNetUnfolder]: 2937/4425 cut-off events. [2021-03-26 08:24:25,233 INFO L130 PetriNetUnfolder]: For 1350/1355 co-relation queries the response was YES. [2021-03-26 08:24:25,251 INFO L84 FinitePrefix]: Finished finitePrefix Result has 9334 conditions, 4425 events. 2937/4425 cut-off events. For 1350/1355 co-relation queries the response was YES. Maximal size of possible extension queue 239. Compared 23287 event pairs, 1090 based on Foata normal form. 121/3543 useless extension candidates. Maximal degree in co-relation 9299. Up to 1639 conditions per place. [2021-03-26 08:24:25,284 INFO L132 encePairwiseOnDemand]: 306/319 looper letters, 75 selfloop transitions, 12 changer transitions 6/134 dead transitions. [2021-03-26 08:24:25,284 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 71 places, 134 transitions, 640 flow [2021-03-26 08:24:25,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-26 08:24:25,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-03-26 08:24:25,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 1918 transitions. [2021-03-26 08:24:25,304 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6012539184952979 [2021-03-26 08:24:25,304 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 1918 transitions. [2021-03-26 08:24:25,305 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 1918 transitions. [2021-03-26 08:24:25,308 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 08:24:25,310 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 1918 transitions. [2021-03-26 08:24:25,319 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 191.8) internal successors, (1918), 10 states have internal predecessors, (1918), 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) [2021-03-26 08:24:25,332 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 319.0) internal successors, (3509), 11 states have internal predecessors, (3509), 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) [2021-03-26 08:24:25,334 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 319.0) internal successors, (3509), 11 states have internal predecessors, (3509), 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) [2021-03-26 08:24:25,336 INFO L185 Difference]: Start difference. First operand has 63 places, 84 transitions, 321 flow. Second operand 10 states and 1918 transitions. [2021-03-26 08:24:25,341 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 71 places, 134 transitions, 640 flow [2021-03-26 08:24:25,352 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 59 places, 134 transitions, 516 flow, removed 0 selfloop flow, removed 12 redundant places. [2021-03-26 08:24:25,355 INFO L241 Difference]: Finished difference. Result has 64 places, 87 transitions, 271 flow [2021-03-26 08:24:25,357 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=319, PETRI_DIFFERENCE_MINUEND_FLOW=215, PETRI_DIFFERENCE_MINUEND_PLACES=50, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=82, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=73, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=271, PETRI_PLACES=64, PETRI_TRANSITIONS=87} [2021-03-26 08:24:25,358 INFO L343 CegarLoopForPetriNet]: 63 programPoint places, 1 predicate places. [2021-03-26 08:24:25,358 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 08:24:25,359 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 64 places, 87 transitions, 271 flow [2021-03-26 08:24:25,359 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 64 places, 87 transitions, 271 flow [2021-03-26 08:24:25,360 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 63 places, 87 transitions, 271 flow [2021-03-26 08:24:25,379 INFO L129 PetriNetUnfolder]: 115/269 cut-off events. [2021-03-26 08:24:25,379 INFO L130 PetriNetUnfolder]: For 12/13 co-relation queries the response was YES. [2021-03-26 08:24:25,380 INFO L84 FinitePrefix]: Finished finitePrefix Result has 337 conditions, 269 events. 115/269 cut-off events. For 12/13 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 882 event pairs, 1 based on Foata normal form. 1/188 useless extension candidates. Maximal degree in co-relation 322. Up to 48 conditions per place. [2021-03-26 08:24:25,383 INFO L142 LiptonReduction]: Number of co-enabled transitions 1404 [2021-03-26 08:24:25,517 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 59 [2021-03-26 08:24:25,671 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 59 [2021-03-26 08:24:26,445 INFO L154 LiptonReduction]: Checked pairs total: 165 [2021-03-26 08:24:26,446 INFO L156 LiptonReduction]: Total number of compositions: 11 [2021-03-26 08:24:26,446 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1088 [2021-03-26 08:24:26,447 INFO L480 AbstractCegarLoop]: Abstraction has has 53 places, 77 transitions, 249 flow [2021-03-26 08:24:26,448 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 183.375) internal successors, (1467), 8 states have internal predecessors, (1467), 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) [2021-03-26 08:24:26,448 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 08:24:26,448 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 08:24:26,448 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-03-26 08:24:26,449 INFO L428 AbstractCegarLoop]: === Iteration 2 === [thread0Err6INUSE_VIOLATION, thread0Err0INUSE_VIOLATION, thread0Thread1of1ForFork4Err1INUSE_VIOLATION, thread0Thread1of1ForFork4Err4INUSE_VIOLATION, ULTIMATE.startErr7INUSE_VIOLATION, thread0Thread1of1ForFork4Err5INUSE_VIOLATION, thread0Thread1of1ForFork4Err10INUSE_VIOLATION, thread0Err9INUSE_VIOLATION, thread0Err3INUSE_VIOLATION, thread0Err8INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, thread0Thread1of1ForFork4Err2INUSE_VIOLATION]=== [2021-03-26 08:24:26,449 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 08:24:26,449 INFO L82 PathProgramCache]: Analyzing trace with hash -198967952, now seen corresponding path program 2 times [2021-03-26 08:24:26,449 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 08:24:26,449 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [445014511] [2021-03-26 08:24:26,450 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 08:24:26,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 08:24:26,488 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:24:26,489 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:24:26,489 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:24:26,489 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 08:24:26,492 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:24:26,492 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:24:26,495 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:24:26,495 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-26 08:24:26,499 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:24:26,499 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:24:26,499 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 08:24:26,499 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [445014511] [2021-03-26 08:24:26,500 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 08:24:26,500 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-03-26 08:24:26,500 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [748922255] [2021-03-26 08:24:26,501 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-03-26 08:24:26,501 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 08:24:26,501 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-03-26 08:24:26,501 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-03-26 08:24:26,503 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 225 out of 330 [2021-03-26 08:24:26,505 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 53 places, 77 transitions, 249 flow. Second operand has 5 states, 5 states have (on average 226.6) internal successors, (1133), 5 states have internal predecessors, (1133), 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) [2021-03-26 08:24:26,505 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 08:24:26,505 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 225 of 330 [2021-03-26 08:24:26,505 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 08:24:26,915 INFO L129 PetriNetUnfolder]: 3689/5210 cut-off events. [2021-03-26 08:24:26,915 INFO L130 PetriNetUnfolder]: For 1287/1287 co-relation queries the response was YES. [2021-03-26 08:24:26,930 INFO L84 FinitePrefix]: Finished finitePrefix Result has 10056 conditions, 5210 events. 3689/5210 cut-off events. For 1287/1287 co-relation queries the response was YES. Maximal size of possible extension queue 253. Compared 24422 event pairs, 1782 based on Foata normal form. 2/3926 useless extension candidates. Maximal degree in co-relation 9004. Up to 2932 conditions per place. [2021-03-26 08:24:26,959 INFO L132 encePairwiseOnDemand]: 323/330 looper letters, 58 selfloop transitions, 6 changer transitions 0/105 dead transitions. [2021-03-26 08:24:26,959 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 58 places, 105 transitions, 459 flow [2021-03-26 08:24:26,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-26 08:24:26,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-03-26 08:24:26,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1412 transitions. [2021-03-26 08:24:26,962 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7131313131313132 [2021-03-26 08:24:26,962 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1412 transitions. [2021-03-26 08:24:26,962 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1412 transitions. [2021-03-26 08:24:26,963 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 08:24:26,963 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1412 transitions. [2021-03-26 08:24:26,966 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 235.33333333333334) internal successors, (1412), 6 states have internal predecessors, (1412), 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) [2021-03-26 08:24:26,969 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 330.0) internal successors, (2310), 7 states have internal predecessors, (2310), 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) [2021-03-26 08:24:26,970 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 330.0) internal successors, (2310), 7 states have internal predecessors, (2310), 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) [2021-03-26 08:24:26,970 INFO L185 Difference]: Start difference. First operand has 53 places, 77 transitions, 249 flow. Second operand 6 states and 1412 transitions. [2021-03-26 08:24:26,970 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 58 places, 105 transitions, 459 flow [2021-03-26 08:24:26,990 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 54 places, 105 transitions, 446 flow, removed 1 selfloop flow, removed 4 redundant places. [2021-03-26 08:24:26,992 INFO L241 Difference]: Finished difference. Result has 57 places, 81 transitions, 285 flow [2021-03-26 08:24:26,992 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=330, PETRI_DIFFERENCE_MINUEND_FLOW=239, PETRI_DIFFERENCE_MINUEND_PLACES=49, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=77, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=72, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=285, PETRI_PLACES=57, PETRI_TRANSITIONS=81} [2021-03-26 08:24:26,993 INFO L343 CegarLoopForPetriNet]: 63 programPoint places, -6 predicate places. [2021-03-26 08:24:26,993 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 08:24:26,993 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 57 places, 81 transitions, 285 flow [2021-03-26 08:24:26,994 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 57 places, 81 transitions, 285 flow [2021-03-26 08:24:26,994 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 57 places, 81 transitions, 285 flow [2021-03-26 08:24:27,013 INFO L129 PetriNetUnfolder]: 174/355 cut-off events. [2021-03-26 08:24:27,013 INFO L130 PetriNetUnfolder]: For 44/44 co-relation queries the response was YES. [2021-03-26 08:24:27,015 INFO L84 FinitePrefix]: Finished finitePrefix Result has 461 conditions, 355 events. 174/355 cut-off events. For 44/44 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 1247 event pairs, 1 based on Foata normal form. 0/243 useless extension candidates. Maximal degree in co-relation 395. Up to 72 conditions per place. [2021-03-26 08:24:27,018 INFO L142 LiptonReduction]: Number of co-enabled transitions 1154 [2021-03-26 08:24:27,027 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 08:24:27,027 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 08:24:27,028 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 35 [2021-03-26 08:24:27,033 INFO L480 AbstractCegarLoop]: Abstraction has has 57 places, 81 transitions, 285 flow [2021-03-26 08:24:27,034 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 226.6) internal successors, (1133), 5 states have internal predecessors, (1133), 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) [2021-03-26 08:24:27,034 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 08:24:27,034 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 08:24:27,034 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-03-26 08:24:27,034 INFO L428 AbstractCegarLoop]: === Iteration 3 === [thread0Err6INUSE_VIOLATION, thread0Err0INUSE_VIOLATION, thread0Thread1of1ForFork4Err1INUSE_VIOLATION, thread0Thread1of1ForFork4Err4INUSE_VIOLATION, ULTIMATE.startErr7INUSE_VIOLATION, thread0Thread1of1ForFork4Err5INUSE_VIOLATION, thread0Thread1of1ForFork4Err10INUSE_VIOLATION, thread0Err9INUSE_VIOLATION, thread0Err3INUSE_VIOLATION, thread0Err8INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, thread0Thread1of1ForFork4Err2INUSE_VIOLATION]=== [2021-03-26 08:24:27,035 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 08:24:27,035 INFO L82 PathProgramCache]: Analyzing trace with hash 571325816, now seen corresponding path program 1 times [2021-03-26 08:24:27,035 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 08:24:27,035 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1871186043] [2021-03-26 08:24:27,035 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 08:24:27,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 08:24:27,099 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:24:27,100 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 08:24:27,104 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:24:27,104 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 08:24:27,107 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:24:27,108 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:24:27,115 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:24:27,115 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-26 08:24:27,125 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:24:27,125 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:24:27,125 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 08:24:27,126 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1871186043] [2021-03-26 08:24:27,126 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 08:24:27,126 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-03-26 08:24:27,126 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1365680606] [2021-03-26 08:24:27,127 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-03-26 08:24:27,127 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 08:24:27,127 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-03-26 08:24:27,128 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-03-26 08:24:27,129 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 185 out of 330 [2021-03-26 08:24:27,131 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 57 places, 81 transitions, 285 flow. Second operand has 6 states, 6 states have (on average 186.16666666666666) internal successors, (1117), 6 states have internal predecessors, (1117), 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) [2021-03-26 08:24:27,131 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 08:24:27,131 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 185 of 330 [2021-03-26 08:24:27,131 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 08:24:27,759 INFO L129 PetriNetUnfolder]: 4641/6448 cut-off events. [2021-03-26 08:24:27,760 INFO L130 PetriNetUnfolder]: For 2624/2624 co-relation queries the response was YES. [2021-03-26 08:24:27,778 INFO L84 FinitePrefix]: Finished finitePrefix Result has 12783 conditions, 6448 events. 4641/6448 cut-off events. For 2624/2624 co-relation queries the response was YES. Maximal size of possible extension queue 291. Compared 29829 event pairs, 2033 based on Foata normal form. 2/4762 useless extension candidates. Maximal degree in co-relation 10336. Up to 2184 conditions per place. [2021-03-26 08:24:27,810 INFO L132 encePairwiseOnDemand]: 323/330 looper letters, 81 selfloop transitions, 13 changer transitions 0/132 dead transitions. [2021-03-26 08:24:27,811 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 63 places, 132 transitions, 606 flow [2021-03-26 08:24:27,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-26 08:24:27,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-26 08:24:27,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 1386 transitions. [2021-03-26 08:24:27,815 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6 [2021-03-26 08:24:27,815 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 1386 transitions. [2021-03-26 08:24:27,815 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 1386 transitions. [2021-03-26 08:24:27,816 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 08:24:27,816 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 1386 transitions. [2021-03-26 08:24:27,818 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 198.0) internal successors, (1386), 7 states have internal predecessors, (1386), 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) [2021-03-26 08:24:27,822 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 330.0) internal successors, (2640), 8 states have internal predecessors, (2640), 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) [2021-03-26 08:24:27,823 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 330.0) internal successors, (2640), 8 states have internal predecessors, (2640), 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) [2021-03-26 08:24:27,823 INFO L185 Difference]: Start difference. First operand has 57 places, 81 transitions, 285 flow. Second operand 7 states and 1386 transitions. [2021-03-26 08:24:27,824 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 63 places, 132 transitions, 606 flow [2021-03-26 08:24:27,832 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 61 places, 132 transitions, 595 flow, removed 3 selfloop flow, removed 2 redundant places. [2021-03-26 08:24:27,835 INFO L241 Difference]: Finished difference. Result has 64 places, 83 transitions, 332 flow [2021-03-26 08:24:27,835 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=330, PETRI_DIFFERENCE_MINUEND_FLOW=260, PETRI_DIFFERENCE_MINUEND_PLACES=55, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=79, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=67, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=332, PETRI_PLACES=64, PETRI_TRANSITIONS=83} [2021-03-26 08:24:27,835 INFO L343 CegarLoopForPetriNet]: 63 programPoint places, 1 predicate places. [2021-03-26 08:24:27,835 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 08:24:27,835 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 64 places, 83 transitions, 332 flow [2021-03-26 08:24:27,837 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 64 places, 83 transitions, 332 flow [2021-03-26 08:24:27,837 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 64 places, 83 transitions, 332 flow [2021-03-26 08:24:27,864 INFO L129 PetriNetUnfolder]: 230/456 cut-off events. [2021-03-26 08:24:27,864 INFO L130 PetriNetUnfolder]: For 100/100 co-relation queries the response was YES. [2021-03-26 08:24:27,866 INFO L84 FinitePrefix]: Finished finitePrefix Result has 607 conditions, 456 events. 230/456 cut-off events. For 100/100 co-relation queries the response was YES. Maximal size of possible extension queue 27. Compared 1753 event pairs, 0 based on Foata normal form. 0/309 useless extension candidates. Maximal degree in co-relation 525. Up to 96 conditions per place. [2021-03-26 08:24:27,870 INFO L142 LiptonReduction]: Number of co-enabled transitions 1222 [2021-03-26 08:24:27,883 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 08:24:27,884 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 08:24:27,884 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 49 [2021-03-26 08:24:27,885 INFO L480 AbstractCegarLoop]: Abstraction has has 64 places, 83 transitions, 332 flow [2021-03-26 08:24:27,885 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 186.16666666666666) internal successors, (1117), 6 states have internal predecessors, (1117), 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) [2021-03-26 08:24:27,886 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 08:24:27,886 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 08:24:27,886 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-03-26 08:24:27,886 INFO L428 AbstractCegarLoop]: === Iteration 4 === [thread0Err6INUSE_VIOLATION, thread0Err0INUSE_VIOLATION, thread0Thread1of1ForFork4Err1INUSE_VIOLATION, thread0Thread1of1ForFork4Err4INUSE_VIOLATION, ULTIMATE.startErr7INUSE_VIOLATION, thread0Thread1of1ForFork4Err5INUSE_VIOLATION, thread0Thread1of1ForFork4Err10INUSE_VIOLATION, thread0Err9INUSE_VIOLATION, thread0Err3INUSE_VIOLATION, thread0Err8INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, thread0Thread1of1ForFork4Err2INUSE_VIOLATION]=== [2021-03-26 08:24:27,886 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 08:24:27,886 INFO L82 PathProgramCache]: Analyzing trace with hash -690009964, now seen corresponding path program 1 times [2021-03-26 08:24:27,887 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 08:24:27,887 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1528844868] [2021-03-26 08:24:27,887 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 08:24:27,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 08:24:27,941 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:24:27,941 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:24:27,943 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:24:27,943 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 08:24:27,946 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:24:27,946 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-26 08:24:27,950 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 08:24:27,950 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1528844868] [2021-03-26 08:24:27,951 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 08:24:27,951 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-26 08:24:27,951 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [445245491] [2021-03-26 08:24:27,951 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-26 08:24:27,951 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 08:24:27,952 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-26 08:24:27,954 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-03-26 08:24:27,955 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 258 out of 330 [2021-03-26 08:24:27,956 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 64 places, 83 transitions, 332 flow. Second operand has 4 states, 4 states have (on average 260.25) internal successors, (1041), 4 states have internal predecessors, (1041), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:24:27,956 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 08:24:27,956 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 258 of 330 [2021-03-26 08:24:27,957 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 08:24:28,563 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([462] L1163-2-->L1164-2: Formula: (and (= |v_ULTIMATE.start_main_#t~mem19_19| (select (select |v_#memory_int_124| v_~v~0.base_42) v_~v~0.offset_42)) (= (ite (= 88 |v_ULTIMATE.start_main_#t~mem19_19|) 1 0) |v_ULTIMATE.start___VERIFIER_assert_#in~expression_9|)) InVars {~v~0.offset=v_~v~0.offset_42, #memory_int=|v_#memory_int_124|, ~v~0.base=v_~v~0.base_42} OutVars{~v~0.offset=v_~v~0.offset_42, ULTIMATE.start_main_#t~mem19=|v_ULTIMATE.start_main_#t~mem19_19|, #memory_int=|v_#memory_int_124|, ULTIMATE.start_main_#t~mem18=|v_ULTIMATE.start_main_#t~mem18_36|, ~v~0.base=v_~v~0.base_42, ULTIMATE.start___VERIFIER_assert_#in~expression=|v_ULTIMATE.start___VERIFIER_assert_#in~expression_9|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~mem19, ULTIMATE.start_main_#t~mem18, ULTIMATE.start___VERIFIER_assert_#in~expression][33], [Black: 186#(and (not (= |ULTIMATE.start_main_#t~mem18| thread1Thread1of1ForFork3_thidvar0)) (= (select |#valid| |ULTIMATE.start_main_~#t~0.base|) 1)), 229#(and (= 88 (select (select |#memory_int| ~v~0.base) ~v~0.offset)) (not (= |ULTIMATE.start___VERIFIER_assert_#in~expression| 0))), 44#L1156-1true, 173#(= (select |#valid| |ULTIMATE.start_main_~#t~0.base|) 1), Black: 197#(= (select (select |#memory_int| |ULTIMATE.start_main_~#t~0.base|) |ULTIMATE.start_main_~#t~0.offset|) 5), Black: 198#(= |ULTIMATE.start_main_#t~mem18| 5), Black: 203#(and (not (= |ULTIMATE.start_main_#t~mem18| thread1Thread1of1ForFork3_thidvar0)) (= |ULTIMATE.start_main_#t~mem18| 5)), 208#true, 122#L1164-2true, Black: 210#(and (= (select (select |#memory_int| |ULTIMATE.start_main_~#t~0.base|) |ULTIMATE.start_main_~#t~0.offset|) 5) (= (select |#valid| |ULTIMATE.start_main_~#t~0.base|) 1)), Black: 178#(not (= |ULTIMATE.start_main_#t~mem18| thread1Thread1of1ForFork3_thidvar0)), Black: 215#(and (= (select (select |#memory_int| |ULTIMATE.start_main_~#t~0.base|) |ULTIMATE.start_main_~#t~0.offset|) 5) (= |ULTIMATE.start_main_#t~mem18| 5) (= (select |#valid| |ULTIMATE.start_main_~#t~0.base|) 1)), Black: 182#(and (not (= (select (select |#memory_int| |ULTIMATE.start_main_~#t~0.base|) |ULTIMATE.start_main_~#t~0.offset|) thread1Thread1of1ForFork3_thidvar0)) (= (select (select |#memory_int| |ULTIMATE.start_main_~#t~0.base|) |ULTIMATE.start_main_~#t~0.offset|) 5) (not (= |thread0Thread1of1ForFork4_~#t1~0.base| |ULTIMATE.start_main_~#t~0.base|)) (= (select |#valid| |ULTIMATE.start_main_~#t~0.base|) 1)), Black: 219#(and (not (= |ULTIMATE.start_main_#t~mem18| thread1Thread1of1ForFork3_thidvar0)) (= |ULTIMATE.start_main_#t~mem18| 5))]) [2021-03-26 08:24:28,563 INFO L384 tUnfolder$Statistics]: this new event has 29 ancestors and is cut-off event [2021-03-26 08:24:28,563 INFO L387 tUnfolder$Statistics]: existing Event has 29 ancestors and is cut-off event [2021-03-26 08:24:28,563 INFO L387 tUnfolder$Statistics]: existing Event has 29 ancestors and is cut-off event [2021-03-26 08:24:28,564 INFO L387 tUnfolder$Statistics]: existing Event has 29 ancestors and is cut-off event [2021-03-26 08:24:28,564 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([462] L1163-2-->L1164-2: Formula: (and (= |v_ULTIMATE.start_main_#t~mem19_19| (select (select |v_#memory_int_124| v_~v~0.base_42) v_~v~0.offset_42)) (= (ite (= 88 |v_ULTIMATE.start_main_#t~mem19_19|) 1 0) |v_ULTIMATE.start___VERIFIER_assert_#in~expression_9|)) InVars {~v~0.offset=v_~v~0.offset_42, #memory_int=|v_#memory_int_124|, ~v~0.base=v_~v~0.base_42} OutVars{~v~0.offset=v_~v~0.offset_42, ULTIMATE.start_main_#t~mem19=|v_ULTIMATE.start_main_#t~mem19_19|, #memory_int=|v_#memory_int_124|, ULTIMATE.start_main_#t~mem18=|v_ULTIMATE.start_main_#t~mem18_36|, ~v~0.base=v_~v~0.base_42, ULTIMATE.start___VERIFIER_assert_#in~expression=|v_ULTIMATE.start___VERIFIER_assert_#in~expression_9|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~mem19, ULTIMATE.start_main_#t~mem18, ULTIMATE.start___VERIFIER_assert_#in~expression][32], [224#true, Black: 186#(and (not (= |ULTIMATE.start_main_#t~mem18| thread1Thread1of1ForFork3_thidvar0)) (= (select |#valid| |ULTIMATE.start_main_~#t~0.base|) 1)), 44#L1156-1true, 173#(= (select |#valid| |ULTIMATE.start_main_~#t~0.base|) 1), Black: 197#(= (select (select |#memory_int| |ULTIMATE.start_main_~#t~0.base|) |ULTIMATE.start_main_~#t~0.offset|) 5), Black: 198#(= |ULTIMATE.start_main_#t~mem18| 5), Black: 203#(and (not (= |ULTIMATE.start_main_#t~mem18| thread1Thread1of1ForFork3_thidvar0)) (= |ULTIMATE.start_main_#t~mem18| 5)), 208#true, 122#L1164-2true, Black: 210#(and (= (select (select |#memory_int| |ULTIMATE.start_main_~#t~0.base|) |ULTIMATE.start_main_~#t~0.offset|) 5) (= (select |#valid| |ULTIMATE.start_main_~#t~0.base|) 1)), Black: 178#(not (= |ULTIMATE.start_main_#t~mem18| thread1Thread1of1ForFork3_thidvar0)), Black: 215#(and (= (select (select |#memory_int| |ULTIMATE.start_main_~#t~0.base|) |ULTIMATE.start_main_~#t~0.offset|) 5) (= |ULTIMATE.start_main_#t~mem18| 5) (= (select |#valid| |ULTIMATE.start_main_~#t~0.base|) 1)), Black: 182#(and (not (= (select (select |#memory_int| |ULTIMATE.start_main_~#t~0.base|) |ULTIMATE.start_main_~#t~0.offset|) thread1Thread1of1ForFork3_thidvar0)) (= (select (select |#memory_int| |ULTIMATE.start_main_~#t~0.base|) |ULTIMATE.start_main_~#t~0.offset|) 5) (not (= |thread0Thread1of1ForFork4_~#t1~0.base| |ULTIMATE.start_main_~#t~0.base|)) (= (select |#valid| |ULTIMATE.start_main_~#t~0.base|) 1)), Black: 219#(and (not (= |ULTIMATE.start_main_#t~mem18| thread1Thread1of1ForFork3_thidvar0)) (= |ULTIMATE.start_main_#t~mem18| 5))]) [2021-03-26 08:24:28,564 INFO L384 tUnfolder$Statistics]: this new event has 29 ancestors and is cut-off event [2021-03-26 08:24:28,564 INFO L387 tUnfolder$Statistics]: existing Event has 29 ancestors and is cut-off event [2021-03-26 08:24:28,564 INFO L387 tUnfolder$Statistics]: existing Event has 29 ancestors and is cut-off event [2021-03-26 08:24:28,564 INFO L387 tUnfolder$Statistics]: existing Event has 29 ancestors and is cut-off event [2021-03-26 08:24:28,565 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([462] L1163-2-->L1164-2: Formula: (and (= |v_ULTIMATE.start_main_#t~mem19_19| (select (select |v_#memory_int_124| v_~v~0.base_42) v_~v~0.offset_42)) (= (ite (= 88 |v_ULTIMATE.start_main_#t~mem19_19|) 1 0) |v_ULTIMATE.start___VERIFIER_assert_#in~expression_9|)) InVars {~v~0.offset=v_~v~0.offset_42, #memory_int=|v_#memory_int_124|, ~v~0.base=v_~v~0.base_42} OutVars{~v~0.offset=v_~v~0.offset_42, ULTIMATE.start_main_#t~mem19=|v_ULTIMATE.start_main_#t~mem19_19|, #memory_int=|v_#memory_int_124|, ULTIMATE.start_main_#t~mem18=|v_ULTIMATE.start_main_#t~mem18_36|, ~v~0.base=v_~v~0.base_42, ULTIMATE.start___VERIFIER_assert_#in~expression=|v_ULTIMATE.start___VERIFIER_assert_#in~expression_9|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~mem19, ULTIMATE.start_main_#t~mem18, ULTIMATE.start___VERIFIER_assert_#in~expression][34], [Black: 186#(and (not (= |ULTIMATE.start_main_#t~mem18| thread1Thread1of1ForFork3_thidvar0)) (= (select |#valid| |ULTIMATE.start_main_~#t~0.base|) 1)), 229#(and (= 88 (select (select |#memory_int| ~v~0.base) ~v~0.offset)) (not (= |ULTIMATE.start___VERIFIER_assert_#in~expression| 0))), 44#L1156-1true, Black: 197#(= (select (select |#memory_int| |ULTIMATE.start_main_~#t~0.base|) |ULTIMATE.start_main_~#t~0.offset|) 5), 173#(= (select |#valid| |ULTIMATE.start_main_~#t~0.base|) 1), Black: 198#(= |ULTIMATE.start_main_#t~mem18| 5), Black: 203#(and (not (= |ULTIMATE.start_main_#t~mem18| thread1Thread1of1ForFork3_thidvar0)) (= |ULTIMATE.start_main_#t~mem18| 5)), 208#true, 122#L1164-2true, Black: 210#(and (= (select (select |#memory_int| |ULTIMATE.start_main_~#t~0.base|) |ULTIMATE.start_main_~#t~0.offset|) 5) (= (select |#valid| |ULTIMATE.start_main_~#t~0.base|) 1)), Black: 215#(and (= (select (select |#memory_int| |ULTIMATE.start_main_~#t~0.base|) |ULTIMATE.start_main_~#t~0.offset|) 5) (= |ULTIMATE.start_main_#t~mem18| 5) (= (select |#valid| |ULTIMATE.start_main_~#t~0.base|) 1)), Black: 178#(not (= |ULTIMATE.start_main_#t~mem18| thread1Thread1of1ForFork3_thidvar0)), Black: 182#(and (not (= (select (select |#memory_int| |ULTIMATE.start_main_~#t~0.base|) |ULTIMATE.start_main_~#t~0.offset|) thread1Thread1of1ForFork3_thidvar0)) (= (select (select |#memory_int| |ULTIMATE.start_main_~#t~0.base|) |ULTIMATE.start_main_~#t~0.offset|) 5) (not (= |thread0Thread1of1ForFork4_~#t1~0.base| |ULTIMATE.start_main_~#t~0.base|)) (= (select |#valid| |ULTIMATE.start_main_~#t~0.base|) 1)), Black: 219#(and (not (= |ULTIMATE.start_main_#t~mem18| thread1Thread1of1ForFork3_thidvar0)) (= |ULTIMATE.start_main_#t~mem18| 5))]) [2021-03-26 08:24:28,565 INFO L384 tUnfolder$Statistics]: this new event has 29 ancestors and is cut-off event [2021-03-26 08:24:28,565 INFO L387 tUnfolder$Statistics]: existing Event has 29 ancestors and is cut-off event [2021-03-26 08:24:28,565 INFO L387 tUnfolder$Statistics]: existing Event has 29 ancestors and is cut-off event [2021-03-26 08:24:28,565 INFO L387 tUnfolder$Statistics]: existing Event has 29 ancestors and is cut-off event [2021-03-26 08:24:28,565 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([462] L1163-2-->L1164-2: Formula: (and (= |v_ULTIMATE.start_main_#t~mem19_19| (select (select |v_#memory_int_124| v_~v~0.base_42) v_~v~0.offset_42)) (= (ite (= 88 |v_ULTIMATE.start_main_#t~mem19_19|) 1 0) |v_ULTIMATE.start___VERIFIER_assert_#in~expression_9|)) InVars {~v~0.offset=v_~v~0.offset_42, #memory_int=|v_#memory_int_124|, ~v~0.base=v_~v~0.base_42} OutVars{~v~0.offset=v_~v~0.offset_42, ULTIMATE.start_main_#t~mem19=|v_ULTIMATE.start_main_#t~mem19_19|, #memory_int=|v_#memory_int_124|, ULTIMATE.start_main_#t~mem18=|v_ULTIMATE.start_main_#t~mem18_36|, ~v~0.base=v_~v~0.base_42, ULTIMATE.start___VERIFIER_assert_#in~expression=|v_ULTIMATE.start___VERIFIER_assert_#in~expression_9|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~mem19, ULTIMATE.start_main_#t~mem18, ULTIMATE.start___VERIFIER_assert_#in~expression][42], [224#true, Black: 186#(and (not (= |ULTIMATE.start_main_#t~mem18| thread1Thread1of1ForFork3_thidvar0)) (= (select |#valid| |ULTIMATE.start_main_~#t~0.base|) 1)), 44#L1156-1true, Black: 197#(= (select (select |#memory_int| |ULTIMATE.start_main_~#t~0.base|) |ULTIMATE.start_main_~#t~0.offset|) 5), 173#(= (select |#valid| |ULTIMATE.start_main_~#t~0.base|) 1), Black: 198#(= |ULTIMATE.start_main_#t~mem18| 5), Black: 203#(and (not (= |ULTIMATE.start_main_#t~mem18| thread1Thread1of1ForFork3_thidvar0)) (= |ULTIMATE.start_main_#t~mem18| 5)), 208#true, 122#L1164-2true, Black: 210#(and (= (select (select |#memory_int| |ULTIMATE.start_main_~#t~0.base|) |ULTIMATE.start_main_~#t~0.offset|) 5) (= (select |#valid| |ULTIMATE.start_main_~#t~0.base|) 1)), Black: 215#(and (= (select (select |#memory_int| |ULTIMATE.start_main_~#t~0.base|) |ULTIMATE.start_main_~#t~0.offset|) 5) (= |ULTIMATE.start_main_#t~mem18| 5) (= (select |#valid| |ULTIMATE.start_main_~#t~0.base|) 1)), Black: 178#(not (= |ULTIMATE.start_main_#t~mem18| thread1Thread1of1ForFork3_thidvar0)), Black: 182#(and (not (= (select (select |#memory_int| |ULTIMATE.start_main_~#t~0.base|) |ULTIMATE.start_main_~#t~0.offset|) thread1Thread1of1ForFork3_thidvar0)) (= (select (select |#memory_int| |ULTIMATE.start_main_~#t~0.base|) |ULTIMATE.start_main_~#t~0.offset|) 5) (not (= |thread0Thread1of1ForFork4_~#t1~0.base| |ULTIMATE.start_main_~#t~0.base|)) (= (select |#valid| |ULTIMATE.start_main_~#t~0.base|) 1)), Black: 219#(and (not (= |ULTIMATE.start_main_#t~mem18| thread1Thread1of1ForFork3_thidvar0)) (= |ULTIMATE.start_main_#t~mem18| 5))]) [2021-03-26 08:24:28,565 INFO L384 tUnfolder$Statistics]: this new event has 29 ancestors and is cut-off event [2021-03-26 08:24:28,565 INFO L387 tUnfolder$Statistics]: existing Event has 29 ancestors and is cut-off event [2021-03-26 08:24:28,565 INFO L387 tUnfolder$Statistics]: existing Event has 29 ancestors and is cut-off event [2021-03-26 08:24:28,565 INFO L387 tUnfolder$Statistics]: existing Event has 29 ancestors and is cut-off event [2021-03-26 08:24:28,566 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([462] L1163-2-->L1164-2: Formula: (and (= |v_ULTIMATE.start_main_#t~mem19_19| (select (select |v_#memory_int_124| v_~v~0.base_42) v_~v~0.offset_42)) (= (ite (= 88 |v_ULTIMATE.start_main_#t~mem19_19|) 1 0) |v_ULTIMATE.start___VERIFIER_assert_#in~expression_9|)) InVars {~v~0.offset=v_~v~0.offset_42, #memory_int=|v_#memory_int_124|, ~v~0.base=v_~v~0.base_42} OutVars{~v~0.offset=v_~v~0.offset_42, ULTIMATE.start_main_#t~mem19=|v_ULTIMATE.start_main_#t~mem19_19|, #memory_int=|v_#memory_int_124|, ULTIMATE.start_main_#t~mem18=|v_ULTIMATE.start_main_#t~mem18_36|, ~v~0.base=v_~v~0.base_42, ULTIMATE.start___VERIFIER_assert_#in~expression=|v_ULTIMATE.start___VERIFIER_assert_#in~expression_9|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~mem19, ULTIMATE.start_main_#t~mem18, ULTIMATE.start___VERIFIER_assert_#in~expression][37], [Black: 186#(and (not (= |ULTIMATE.start_main_#t~mem18| thread1Thread1of1ForFork3_thidvar0)) (= (select |#valid| |ULTIMATE.start_main_~#t~0.base|) 1)), 229#(and (= 88 (select (select |#memory_int| ~v~0.base) ~v~0.offset)) (not (= |ULTIMATE.start___VERIFIER_assert_#in~expression| 0))), 44#L1156-1true, 173#(= (select |#valid| |ULTIMATE.start_main_~#t~0.base|) 1), Black: 197#(= (select (select |#memory_int| |ULTIMATE.start_main_~#t~0.base|) |ULTIMATE.start_main_~#t~0.offset|) 5), Black: 198#(= |ULTIMATE.start_main_#t~mem18| 5), Black: 203#(and (not (= |ULTIMATE.start_main_#t~mem18| thread1Thread1of1ForFork3_thidvar0)) (= |ULTIMATE.start_main_#t~mem18| 5)), 208#true, 122#L1164-2true, Black: 210#(and (= (select (select |#memory_int| |ULTIMATE.start_main_~#t~0.base|) |ULTIMATE.start_main_~#t~0.offset|) 5) (= (select |#valid| |ULTIMATE.start_main_~#t~0.base|) 1)), Black: 178#(not (= |ULTIMATE.start_main_#t~mem18| thread1Thread1of1ForFork3_thidvar0)), Black: 215#(and (= (select (select |#memory_int| |ULTIMATE.start_main_~#t~0.base|) |ULTIMATE.start_main_~#t~0.offset|) 5) (= |ULTIMATE.start_main_#t~mem18| 5) (= (select |#valid| |ULTIMATE.start_main_~#t~0.base|) 1)), Black: 219#(and (not (= |ULTIMATE.start_main_#t~mem18| thread1Thread1of1ForFork3_thidvar0)) (= |ULTIMATE.start_main_#t~mem18| 5)), Black: 182#(and (not (= (select (select |#memory_int| |ULTIMATE.start_main_~#t~0.base|) |ULTIMATE.start_main_~#t~0.offset|) thread1Thread1of1ForFork3_thidvar0)) (= (select (select |#memory_int| |ULTIMATE.start_main_~#t~0.base|) |ULTIMATE.start_main_~#t~0.offset|) 5) (not (= |thread0Thread1of1ForFork4_~#t1~0.base| |ULTIMATE.start_main_~#t~0.base|)) (= (select |#valid| |ULTIMATE.start_main_~#t~0.base|) 1))]) [2021-03-26 08:24:28,566 INFO L384 tUnfolder$Statistics]: this new event has 29 ancestors and is cut-off event [2021-03-26 08:24:28,566 INFO L387 tUnfolder$Statistics]: existing Event has 29 ancestors and is cut-off event [2021-03-26 08:24:28,566 INFO L387 tUnfolder$Statistics]: existing Event has 29 ancestors and is cut-off event [2021-03-26 08:24:28,566 INFO L387 tUnfolder$Statistics]: existing Event has 29 ancestors and is cut-off event [2021-03-26 08:24:28,566 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([462] L1163-2-->L1164-2: Formula: (and (= |v_ULTIMATE.start_main_#t~mem19_19| (select (select |v_#memory_int_124| v_~v~0.base_42) v_~v~0.offset_42)) (= (ite (= 88 |v_ULTIMATE.start_main_#t~mem19_19|) 1 0) |v_ULTIMATE.start___VERIFIER_assert_#in~expression_9|)) InVars {~v~0.offset=v_~v~0.offset_42, #memory_int=|v_#memory_int_124|, ~v~0.base=v_~v~0.base_42} OutVars{~v~0.offset=v_~v~0.offset_42, ULTIMATE.start_main_#t~mem19=|v_ULTIMATE.start_main_#t~mem19_19|, #memory_int=|v_#memory_int_124|, ULTIMATE.start_main_#t~mem18=|v_ULTIMATE.start_main_#t~mem18_36|, ~v~0.base=v_~v~0.base_42, ULTIMATE.start___VERIFIER_assert_#in~expression=|v_ULTIMATE.start___VERIFIER_assert_#in~expression_9|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~mem19, ULTIMATE.start_main_#t~mem18, ULTIMATE.start___VERIFIER_assert_#in~expression][36], [224#true, Black: 186#(and (not (= |ULTIMATE.start_main_#t~mem18| thread1Thread1of1ForFork3_thidvar0)) (= (select |#valid| |ULTIMATE.start_main_~#t~0.base|) 1)), 44#L1156-1true, 173#(= (select |#valid| |ULTIMATE.start_main_~#t~0.base|) 1), Black: 197#(= (select (select |#memory_int| |ULTIMATE.start_main_~#t~0.base|) |ULTIMATE.start_main_~#t~0.offset|) 5), Black: 198#(= |ULTIMATE.start_main_#t~mem18| 5), Black: 203#(and (not (= |ULTIMATE.start_main_#t~mem18| thread1Thread1of1ForFork3_thidvar0)) (= |ULTIMATE.start_main_#t~mem18| 5)), 208#true, 122#L1164-2true, Black: 210#(and (= (select (select |#memory_int| |ULTIMATE.start_main_~#t~0.base|) |ULTIMATE.start_main_~#t~0.offset|) 5) (= (select |#valid| |ULTIMATE.start_main_~#t~0.base|) 1)), Black: 178#(not (= |ULTIMATE.start_main_#t~mem18| thread1Thread1of1ForFork3_thidvar0)), Black: 215#(and (= (select (select |#memory_int| |ULTIMATE.start_main_~#t~0.base|) |ULTIMATE.start_main_~#t~0.offset|) 5) (= |ULTIMATE.start_main_#t~mem18| 5) (= (select |#valid| |ULTIMATE.start_main_~#t~0.base|) 1)), Black: 219#(and (not (= |ULTIMATE.start_main_#t~mem18| thread1Thread1of1ForFork3_thidvar0)) (= |ULTIMATE.start_main_#t~mem18| 5)), Black: 182#(and (not (= (select (select |#memory_int| |ULTIMATE.start_main_~#t~0.base|) |ULTIMATE.start_main_~#t~0.offset|) thread1Thread1of1ForFork3_thidvar0)) (= (select (select |#memory_int| |ULTIMATE.start_main_~#t~0.base|) |ULTIMATE.start_main_~#t~0.offset|) 5) (not (= |thread0Thread1of1ForFork4_~#t1~0.base| |ULTIMATE.start_main_~#t~0.base|)) (= (select |#valid| |ULTIMATE.start_main_~#t~0.base|) 1))]) [2021-03-26 08:24:28,567 INFO L384 tUnfolder$Statistics]: this new event has 29 ancestors and is cut-off event [2021-03-26 08:24:28,567 INFO L387 tUnfolder$Statistics]: existing Event has 29 ancestors and is cut-off event [2021-03-26 08:24:28,567 INFO L387 tUnfolder$Statistics]: existing Event has 29 ancestors and is cut-off event [2021-03-26 08:24:28,567 INFO L387 tUnfolder$Statistics]: existing Event has 29 ancestors and is cut-off event [2021-03-26 08:24:28,567 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([462] L1163-2-->L1164-2: Formula: (and (= |v_ULTIMATE.start_main_#t~mem19_19| (select (select |v_#memory_int_124| v_~v~0.base_42) v_~v~0.offset_42)) (= (ite (= 88 |v_ULTIMATE.start_main_#t~mem19_19|) 1 0) |v_ULTIMATE.start___VERIFIER_assert_#in~expression_9|)) InVars {~v~0.offset=v_~v~0.offset_42, #memory_int=|v_#memory_int_124|, ~v~0.base=v_~v~0.base_42} OutVars{~v~0.offset=v_~v~0.offset_42, ULTIMATE.start_main_#t~mem19=|v_ULTIMATE.start_main_#t~mem19_19|, #memory_int=|v_#memory_int_124|, ULTIMATE.start_main_#t~mem18=|v_ULTIMATE.start_main_#t~mem18_36|, ~v~0.base=v_~v~0.base_42, ULTIMATE.start___VERIFIER_assert_#in~expression=|v_ULTIMATE.start___VERIFIER_assert_#in~expression_9|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~mem19, ULTIMATE.start_main_#t~mem18, ULTIMATE.start___VERIFIER_assert_#in~expression][31], [Black: 186#(and (not (= |ULTIMATE.start_main_#t~mem18| thread1Thread1of1ForFork3_thidvar0)) (= (select |#valid| |ULTIMATE.start_main_~#t~0.base|) 1)), 229#(and (= 88 (select (select |#memory_int| ~v~0.base) ~v~0.offset)) (not (= |ULTIMATE.start___VERIFIER_assert_#in~expression| 0))), 44#L1156-1true, 173#(= (select |#valid| |ULTIMATE.start_main_~#t~0.base|) 1), Black: 197#(= (select (select |#memory_int| |ULTIMATE.start_main_~#t~0.base|) |ULTIMATE.start_main_~#t~0.offset|) 5), Black: 198#(= |ULTIMATE.start_main_#t~mem18| 5), Black: 203#(and (not (= |ULTIMATE.start_main_#t~mem18| thread1Thread1of1ForFork3_thidvar0)) (= |ULTIMATE.start_main_#t~mem18| 5)), 208#true, 122#L1164-2true, Black: 210#(and (= (select (select |#memory_int| |ULTIMATE.start_main_~#t~0.base|) |ULTIMATE.start_main_~#t~0.offset|) 5) (= (select |#valid| |ULTIMATE.start_main_~#t~0.base|) 1)), Black: 215#(and (= (select (select |#memory_int| |ULTIMATE.start_main_~#t~0.base|) |ULTIMATE.start_main_~#t~0.offset|) 5) (= |ULTIMATE.start_main_#t~mem18| 5) (= (select |#valid| |ULTIMATE.start_main_~#t~0.base|) 1)), Black: 178#(not (= |ULTIMATE.start_main_#t~mem18| thread1Thread1of1ForFork3_thidvar0)), Black: 182#(and (not (= (select (select |#memory_int| |ULTIMATE.start_main_~#t~0.base|) |ULTIMATE.start_main_~#t~0.offset|) thread1Thread1of1ForFork3_thidvar0)) (= (select (select |#memory_int| |ULTIMATE.start_main_~#t~0.base|) |ULTIMATE.start_main_~#t~0.offset|) 5) (not (= |thread0Thread1of1ForFork4_~#t1~0.base| |ULTIMATE.start_main_~#t~0.base|)) (= (select |#valid| |ULTIMATE.start_main_~#t~0.base|) 1)), Black: 219#(and (not (= |ULTIMATE.start_main_#t~mem18| thread1Thread1of1ForFork3_thidvar0)) (= |ULTIMATE.start_main_#t~mem18| 5))]) [2021-03-26 08:24:28,567 INFO L384 tUnfolder$Statistics]: this new event has 29 ancestors and is not cut-off event [2021-03-26 08:24:28,567 INFO L387 tUnfolder$Statistics]: existing Event has 29 ancestors and is not cut-off event [2021-03-26 08:24:28,567 INFO L387 tUnfolder$Statistics]: existing Event has 29 ancestors and is not cut-off event [2021-03-26 08:24:28,568 INFO L387 tUnfolder$Statistics]: existing Event has 29 ancestors and is not cut-off event [2021-03-26 08:24:28,568 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([462] L1163-2-->L1164-2: Formula: (and (= |v_ULTIMATE.start_main_#t~mem19_19| (select (select |v_#memory_int_124| v_~v~0.base_42) v_~v~0.offset_42)) (= (ite (= 88 |v_ULTIMATE.start_main_#t~mem19_19|) 1 0) |v_ULTIMATE.start___VERIFIER_assert_#in~expression_9|)) InVars {~v~0.offset=v_~v~0.offset_42, #memory_int=|v_#memory_int_124|, ~v~0.base=v_~v~0.base_42} OutVars{~v~0.offset=v_~v~0.offset_42, ULTIMATE.start_main_#t~mem19=|v_ULTIMATE.start_main_#t~mem19_19|, #memory_int=|v_#memory_int_124|, ULTIMATE.start_main_#t~mem18=|v_ULTIMATE.start_main_#t~mem18_36|, ~v~0.base=v_~v~0.base_42, ULTIMATE.start___VERIFIER_assert_#in~expression=|v_ULTIMATE.start___VERIFIER_assert_#in~expression_9|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~mem19, ULTIMATE.start_main_#t~mem18, ULTIMATE.start___VERIFIER_assert_#in~expression][30], [224#true, Black: 186#(and (not (= |ULTIMATE.start_main_#t~mem18| thread1Thread1of1ForFork3_thidvar0)) (= (select |#valid| |ULTIMATE.start_main_~#t~0.base|) 1)), 44#L1156-1true, 173#(= (select |#valid| |ULTIMATE.start_main_~#t~0.base|) 1), Black: 197#(= (select (select |#memory_int| |ULTIMATE.start_main_~#t~0.base|) |ULTIMATE.start_main_~#t~0.offset|) 5), Black: 198#(= |ULTIMATE.start_main_#t~mem18| 5), Black: 203#(and (not (= |ULTIMATE.start_main_#t~mem18| thread1Thread1of1ForFork3_thidvar0)) (= |ULTIMATE.start_main_#t~mem18| 5)), 208#true, 122#L1164-2true, Black: 210#(and (= (select (select |#memory_int| |ULTIMATE.start_main_~#t~0.base|) |ULTIMATE.start_main_~#t~0.offset|) 5) (= (select |#valid| |ULTIMATE.start_main_~#t~0.base|) 1)), Black: 215#(and (= (select (select |#memory_int| |ULTIMATE.start_main_~#t~0.base|) |ULTIMATE.start_main_~#t~0.offset|) 5) (= |ULTIMATE.start_main_#t~mem18| 5) (= (select |#valid| |ULTIMATE.start_main_~#t~0.base|) 1)), Black: 178#(not (= |ULTIMATE.start_main_#t~mem18| thread1Thread1of1ForFork3_thidvar0)), Black: 219#(and (not (= |ULTIMATE.start_main_#t~mem18| thread1Thread1of1ForFork3_thidvar0)) (= |ULTIMATE.start_main_#t~mem18| 5)), Black: 182#(and (not (= (select (select |#memory_int| |ULTIMATE.start_main_~#t~0.base|) |ULTIMATE.start_main_~#t~0.offset|) thread1Thread1of1ForFork3_thidvar0)) (= (select (select |#memory_int| |ULTIMATE.start_main_~#t~0.base|) |ULTIMATE.start_main_~#t~0.offset|) 5) (not (= |thread0Thread1of1ForFork4_~#t1~0.base| |ULTIMATE.start_main_~#t~0.base|)) (= (select |#valid| |ULTIMATE.start_main_~#t~0.base|) 1))]) [2021-03-26 08:24:28,568 INFO L384 tUnfolder$Statistics]: this new event has 29 ancestors and is not cut-off event [2021-03-26 08:24:28,568 INFO L387 tUnfolder$Statistics]: existing Event has 29 ancestors and is not cut-off event [2021-03-26 08:24:28,568 INFO L387 tUnfolder$Statistics]: existing Event has 29 ancestors and is not cut-off event [2021-03-26 08:24:28,568 INFO L387 tUnfolder$Statistics]: existing Event has 29 ancestors and is not cut-off event [2021-03-26 08:24:28,571 INFO L129 PetriNetUnfolder]: 5286/7883 cut-off events. [2021-03-26 08:24:28,571 INFO L130 PetriNetUnfolder]: For 8271/8273 co-relation queries the response was YES. [2021-03-26 08:24:28,603 INFO L84 FinitePrefix]: Finished finitePrefix Result has 18097 conditions, 7883 events. 5286/7883 cut-off events. For 8271/8273 co-relation queries the response was YES. Maximal size of possible extension queue 419. Compared 45064 event pairs, 494 based on Foata normal form. 184/6376 useless extension candidates. Maximal degree in co-relation 10174. Up to 1976 conditions per place. [2021-03-26 08:24:28,653 INFO L132 encePairwiseOnDemand]: 320/330 looper letters, 49 selfloop transitions, 20 changer transitions 3/125 dead transitions. [2021-03-26 08:24:28,653 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 68 places, 125 transitions, 600 flow [2021-03-26 08:24:28,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-26 08:24:28,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-03-26 08:24:28,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1350 transitions. [2021-03-26 08:24:28,656 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8181818181818182 [2021-03-26 08:24:28,656 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 1350 transitions. [2021-03-26 08:24:28,656 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 1350 transitions. [2021-03-26 08:24:28,657 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 08:24:28,657 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1350 transitions. [2021-03-26 08:24:28,659 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 270.0) internal successors, (1350), 5 states have internal predecessors, (1350), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:24:28,663 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 330.0) internal successors, (1980), 6 states have internal predecessors, (1980), 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) [2021-03-26 08:24:28,664 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 330.0) internal successors, (1980), 6 states have internal predecessors, (1980), 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) [2021-03-26 08:24:28,664 INFO L185 Difference]: Start difference. First operand has 64 places, 83 transitions, 332 flow. Second operand 5 states and 1350 transitions. [2021-03-26 08:24:28,664 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 68 places, 125 transitions, 600 flow [2021-03-26 08:24:28,719 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 66 places, 125 transitions, 571 flow, removed 7 selfloop flow, removed 2 redundant places. [2021-03-26 08:24:28,724 INFO L241 Difference]: Finished difference. Result has 70 places, 103 transitions, 500 flow [2021-03-26 08:24:28,724 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=330, PETRI_DIFFERENCE_MINUEND_FLOW=315, PETRI_DIFFERENCE_MINUEND_PLACES=62, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=83, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=71, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=500, PETRI_PLACES=70, PETRI_TRANSITIONS=103} [2021-03-26 08:24:28,724 INFO L343 CegarLoopForPetriNet]: 63 programPoint places, 7 predicate places. [2021-03-26 08:24:28,724 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 08:24:28,724 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 70 places, 103 transitions, 500 flow [2021-03-26 08:24:28,725 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 70 places, 103 transitions, 500 flow [2021-03-26 08:24:28,725 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 70 places, 103 transitions, 500 flow [2021-03-26 08:24:28,937 INFO L129 PetriNetUnfolder]: 1941/3440 cut-off events. [2021-03-26 08:24:28,937 INFO L130 PetriNetUnfolder]: For 2375/2429 co-relation queries the response was YES. [2021-03-26 08:24:28,955 INFO L84 FinitePrefix]: Finished finitePrefix Result has 6308 conditions, 3440 events. 1941/3440 cut-off events. For 2375/2429 co-relation queries the response was YES. Maximal size of possible extension queue 260. Compared 22958 event pairs, 95 based on Foata normal form. 6/2355 useless extension candidates. Maximal degree in co-relation 5845. Up to 704 conditions per place. [2021-03-26 08:24:28,987 INFO L142 LiptonReduction]: Number of co-enabled transitions 1916 [2021-03-26 08:24:28,993 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 08:24:28,993 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 08:24:28,993 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 269 [2021-03-26 08:24:28,996 INFO L480 AbstractCegarLoop]: Abstraction has has 70 places, 103 transitions, 500 flow [2021-03-26 08:24:28,996 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 260.25) internal successors, (1041), 4 states have internal predecessors, (1041), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:24:28,997 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 08:24:28,997 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 08:24:28,997 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-03-26 08:24:28,997 INFO L428 AbstractCegarLoop]: === Iteration 5 === [thread0Err6INUSE_VIOLATION, thread0Err0INUSE_VIOLATION, thread0Thread1of1ForFork4Err1INUSE_VIOLATION, thread0Thread1of1ForFork4Err4INUSE_VIOLATION, ULTIMATE.startErr7INUSE_VIOLATION, thread0Thread1of1ForFork4Err5INUSE_VIOLATION, thread0Thread1of1ForFork4Err10INUSE_VIOLATION, thread0Err9INUSE_VIOLATION, thread0Err3INUSE_VIOLATION, thread0Err8INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, thread0Thread1of1ForFork4Err2INUSE_VIOLATION]=== [2021-03-26 08:24:28,997 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 08:24:28,997 INFO L82 PathProgramCache]: Analyzing trace with hash 84474452, now seen corresponding path program 1 times [2021-03-26 08:24:28,998 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 08:24:28,998 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1594694112] [2021-03-26 08:24:28,998 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 08:24:29,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 08:24:29,051 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:24:29,051 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 08:24:29,058 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:24:29,058 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 08:24:29,064 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:24:29,064 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:24:29,068 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:24:29,069 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-26 08:24:29,073 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:24:29,073 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:24:29,074 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 08:24:29,074 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1594694112] [2021-03-26 08:24:29,074 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 08:24:29,074 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-03-26 08:24:29,074 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1955421962] [2021-03-26 08:24:29,074 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-03-26 08:24:29,074 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 08:24:29,081 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-03-26 08:24:29,082 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-03-26 08:24:29,083 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 182 out of 330 [2021-03-26 08:24:29,084 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 70 places, 103 transitions, 500 flow. Second operand has 6 states, 6 states have (on average 184.0) internal successors, (1104), 6 states have internal predecessors, (1104), 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) [2021-03-26 08:24:29,085 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 08:24:29,085 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 182 of 330 [2021-03-26 08:24:29,085 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 08:24:30,050 INFO L129 PetriNetUnfolder]: 8519/11785 cut-off events. [2021-03-26 08:24:30,050 INFO L130 PetriNetUnfolder]: For 17589/18036 co-relation queries the response was YES. [2021-03-26 08:24:30,193 INFO L84 FinitePrefix]: Finished finitePrefix Result has 32646 conditions, 11785 events. 8519/11785 cut-off events. For 17589/18036 co-relation queries the response was YES. Maximal size of possible extension queue 545. Compared 60244 event pairs, 2211 based on Foata normal form. 237/9069 useless extension candidates. Maximal degree in co-relation 29618. Up to 5096 conditions per place. [2021-03-26 08:24:30,243 INFO L132 encePairwiseOnDemand]: 322/330 looper letters, 90 selfloop transitions, 17 changer transitions 0/140 dead transitions. [2021-03-26 08:24:30,243 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 77 places, 140 transitions, 859 flow [2021-03-26 08:24:30,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 08:24:30,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 08:24:30,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 1533 transitions. [2021-03-26 08:24:30,248 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5806818181818182 [2021-03-26 08:24:30,248 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 1533 transitions. [2021-03-26 08:24:30,248 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 1533 transitions. [2021-03-26 08:24:30,249 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 08:24:30,249 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 1533 transitions. [2021-03-26 08:24:30,251 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 191.625) internal successors, (1533), 8 states have internal predecessors, (1533), 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) [2021-03-26 08:24:30,254 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 330.0) internal successors, (2970), 9 states have internal predecessors, (2970), 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) [2021-03-26 08:24:30,255 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 330.0) internal successors, (2970), 9 states have internal predecessors, (2970), 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) [2021-03-26 08:24:30,255 INFO L185 Difference]: Start difference. First operand has 70 places, 103 transitions, 500 flow. Second operand 8 states and 1533 transitions. [2021-03-26 08:24:30,255 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 77 places, 140 transitions, 859 flow [2021-03-26 08:24:30,320 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 77 places, 140 transitions, 859 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-03-26 08:24:30,323 INFO L241 Difference]: Finished difference. Result has 79 places, 104 transitions, 554 flow [2021-03-26 08:24:30,324 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=330, PETRI_DIFFERENCE_MINUEND_FLOW=500, PETRI_DIFFERENCE_MINUEND_PLACES=70, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=103, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=16, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=86, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=554, PETRI_PLACES=79, PETRI_TRANSITIONS=104} [2021-03-26 08:24:30,324 INFO L343 CegarLoopForPetriNet]: 63 programPoint places, 16 predicate places. [2021-03-26 08:24:30,324 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 08:24:30,324 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 79 places, 104 transitions, 554 flow [2021-03-26 08:24:30,324 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 79 places, 104 transitions, 554 flow [2021-03-26 08:24:30,325 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 79 places, 104 transitions, 554 flow [2021-03-26 08:24:30,530 INFO L129 PetriNetUnfolder]: 1830/3290 cut-off events. [2021-03-26 08:24:30,530 INFO L130 PetriNetUnfolder]: For 2553/2607 co-relation queries the response was YES. [2021-03-26 08:24:30,546 INFO L84 FinitePrefix]: Finished finitePrefix Result has 6211 conditions, 3290 events. 1830/3290 cut-off events. For 2553/2607 co-relation queries the response was YES. Maximal size of possible extension queue 265. Compared 22162 event pairs, 95 based on Foata normal form. 6/2256 useless extension candidates. Maximal degree in co-relation 5174. Up to 704 conditions per place. [2021-03-26 08:24:30,577 INFO L142 LiptonReduction]: Number of co-enabled transitions 1904 [2021-03-26 08:24:30,583 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 08:24:30,583 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 08:24:30,583 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 259 [2021-03-26 08:24:30,584 INFO L480 AbstractCegarLoop]: Abstraction has has 79 places, 104 transitions, 554 flow [2021-03-26 08:24:30,585 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 184.0) internal successors, (1104), 6 states have internal predecessors, (1104), 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) [2021-03-26 08:24:30,585 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 08:24:30,585 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 08:24:30,585 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-03-26 08:24:30,585 INFO L428 AbstractCegarLoop]: === Iteration 6 === [thread0Err6INUSE_VIOLATION, thread0Err0INUSE_VIOLATION, thread0Thread1of1ForFork4Err1INUSE_VIOLATION, thread0Thread1of1ForFork4Err4INUSE_VIOLATION, ULTIMATE.startErr7INUSE_VIOLATION, thread0Thread1of1ForFork4Err5INUSE_VIOLATION, thread0Thread1of1ForFork4Err10INUSE_VIOLATION, thread0Err9INUSE_VIOLATION, thread0Err3INUSE_VIOLATION, thread0Err8INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, thread0Thread1of1ForFork4Err2INUSE_VIOLATION]=== [2021-03-26 08:24:30,585 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 08:24:30,585 INFO L82 PathProgramCache]: Analyzing trace with hash -1236858740, now seen corresponding path program 2 times [2021-03-26 08:24:30,586 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 08:24:30,586 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1568472070] [2021-03-26 08:24:30,586 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 08:24:30,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 08:24:30,611 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:24:30,612 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:24:30,613 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:24:30,613 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 08:24:30,618 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:24:30,618 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-26 08:24:30,623 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:24:30,624 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 08:24:30,631 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:24:30,631 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 08:24:30,640 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:24:30,641 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-26 08:24:30,646 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 08:24:30,647 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1568472070] [2021-03-26 08:24:30,647 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 08:24:30,647 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-26 08:24:30,647 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2125623969] [2021-03-26 08:24:30,647 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-26 08:24:30,647 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 08:24:30,648 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-26 08:24:30,648 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-03-26 08:24:30,650 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 232 out of 330 [2021-03-26 08:24:30,651 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 79 places, 104 transitions, 554 flow. Second operand has 7 states, 7 states have (on average 233.57142857142858) internal successors, (1635), 7 states have internal predecessors, (1635), 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) [2021-03-26 08:24:30,651 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 08:24:30,651 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 232 of 330 [2021-03-26 08:24:30,651 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 08:24:31,266 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([462] L1163-2-->L1164-2: Formula: (and (= |v_ULTIMATE.start_main_#t~mem19_19| (select (select |v_#memory_int_124| v_~v~0.base_42) v_~v~0.offset_42)) (= (ite (= 88 |v_ULTIMATE.start_main_#t~mem19_19|) 1 0) |v_ULTIMATE.start___VERIFIER_assert_#in~expression_9|)) InVars {~v~0.offset=v_~v~0.offset_42, #memory_int=|v_#memory_int_124|, ~v~0.base=v_~v~0.base_42} OutVars{~v~0.offset=v_~v~0.offset_42, ULTIMATE.start_main_#t~mem19=|v_ULTIMATE.start_main_#t~mem19_19|, #memory_int=|v_#memory_int_124|, ULTIMATE.start_main_#t~mem18=|v_ULTIMATE.start_main_#t~mem18_36|, ~v~0.base=v_~v~0.base_42, ULTIMATE.start___VERIFIER_assert_#in~expression=|v_ULTIMATE.start___VERIFIER_assert_#in~expression_9|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~mem19, ULTIMATE.start_main_#t~mem18, ULTIMATE.start___VERIFIER_assert_#in~expression][50], [224#true, Black: 186#(and (not (= |ULTIMATE.start_main_#t~mem18| thread1Thread1of1ForFork3_thidvar0)) (= (select |#valid| |ULTIMATE.start_main_~#t~0.base|) 1)), 260#(and (not (= |thread0Thread1of1ForFork4_~#t3~0.base| ~v~0.base)) (<= (+ |#StackHeapBarrier| 1) |thread0Thread1of1ForFork4_~#t3~0.base|)), Black: 226#(= 88 (select (select |#memory_int| ~v~0.base) ~v~0.offset)), Black: 227#(not (= |ULTIMATE.start___VERIFIER_assert_#in~expression| 0)), Black: 229#(and (= 88 (select (select |#memory_int| ~v~0.base) ~v~0.offset)) (not (= |ULTIMATE.start___VERIFIER_assert_#in~expression| 0))), 235#true, 44#L1156-1true, 173#(= (select |#valid| |ULTIMATE.start_main_~#t~0.base|) 1), Black: 197#(= (select (select |#memory_int| |ULTIMATE.start_main_~#t~0.base|) |ULTIMATE.start_main_~#t~0.offset|) 5), Black: 198#(= |ULTIMATE.start_main_#t~mem18| 5), Black: 203#(and (not (= |ULTIMATE.start_main_#t~mem18| thread1Thread1of1ForFork3_thidvar0)) (= |ULTIMATE.start_main_#t~mem18| 5)), Black: 248#(and (= |ULTIMATE.start_main_#t~mem18| 5) (not (= |ULTIMATE.start_main_#t~mem18| thread2Thread1of1ForFork5_thidvar0))), 122#L1164-2true, Black: 239#(= |ULTIMATE.start_main_#t~mem18| 5), Black: 210#(and (= (select (select |#memory_int| |ULTIMATE.start_main_~#t~0.base|) |ULTIMATE.start_main_~#t~0.offset|) 5) (= (select |#valid| |ULTIMATE.start_main_~#t~0.base|) 1)), Black: 178#(not (= |ULTIMATE.start_main_#t~mem18| thread1Thread1of1ForFork3_thidvar0)), Black: 215#(and (= (select (select |#memory_int| |ULTIMATE.start_main_~#t~0.base|) |ULTIMATE.start_main_~#t~0.offset|) 5) (= |ULTIMATE.start_main_#t~mem18| 5) (= (select |#valid| |ULTIMATE.start_main_~#t~0.base|) 1)), Black: 219#(and (not (= |ULTIMATE.start_main_#t~mem18| thread1Thread1of1ForFork3_thidvar0)) (= |ULTIMATE.start_main_#t~mem18| 5)), Black: 182#(and (not (= (select (select |#memory_int| |ULTIMATE.start_main_~#t~0.base|) |ULTIMATE.start_main_~#t~0.offset|) thread1Thread1of1ForFork3_thidvar0)) (= (select (select |#memory_int| |ULTIMATE.start_main_~#t~0.base|) |ULTIMATE.start_main_~#t~0.offset|) 5) (not (= |thread0Thread1of1ForFork4_~#t1~0.base| |ULTIMATE.start_main_~#t~0.base|)) (= (select |#valid| |ULTIMATE.start_main_~#t~0.base|) 1))]) [2021-03-26 08:24:31,267 INFO L384 tUnfolder$Statistics]: this new event has 29 ancestors and is cut-off event [2021-03-26 08:24:31,267 INFO L387 tUnfolder$Statistics]: existing Event has 29 ancestors and is cut-off event [2021-03-26 08:24:31,267 INFO L387 tUnfolder$Statistics]: existing Event has 29 ancestors and is cut-off event [2021-03-26 08:24:31,267 INFO L387 tUnfolder$Statistics]: existing Event has 29 ancestors and is cut-off event [2021-03-26 08:24:31,306 INFO L129 PetriNetUnfolder]: 5238/7890 cut-off events. [2021-03-26 08:24:31,306 INFO L130 PetriNetUnfolder]: For 18106/18452 co-relation queries the response was YES. [2021-03-26 08:24:31,346 INFO L84 FinitePrefix]: Finished finitePrefix Result has 24351 conditions, 7890 events. 5238/7890 cut-off events. For 18106/18452 co-relation queries the response was YES. Maximal size of possible extension queue 438. Compared 46301 event pairs, 513 based on Foata normal form. 278/6628 useless extension candidates. Maximal degree in co-relation 20026. Up to 1984 conditions per place. [2021-03-26 08:24:31,384 INFO L132 encePairwiseOnDemand]: 317/330 looper letters, 59 selfloop transitions, 32 changer transitions 8/150 dead transitions. [2021-03-26 08:24:31,384 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 87 places, 150 transitions, 1026 flow [2021-03-26 08:24:31,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-26 08:24:31,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-26 08:24:31,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 2160 transitions. [2021-03-26 08:24:31,388 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7272727272727273 [2021-03-26 08:24:31,388 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 2160 transitions. [2021-03-26 08:24:31,388 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 2160 transitions. [2021-03-26 08:24:31,389 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 08:24:31,389 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 2160 transitions. [2021-03-26 08:24:31,393 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 240.0) internal successors, (2160), 9 states have internal predecessors, (2160), 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) [2021-03-26 08:24:31,397 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 330.0) internal successors, (3300), 10 states have internal predecessors, (3300), 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) [2021-03-26 08:24:31,398 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 330.0) internal successors, (3300), 10 states have internal predecessors, (3300), 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) [2021-03-26 08:24:31,398 INFO L185 Difference]: Start difference. First operand has 79 places, 104 transitions, 554 flow. Second operand 9 states and 2160 transitions. [2021-03-26 08:24:31,398 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 87 places, 150 transitions, 1026 flow [2021-03-26 08:24:31,457 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 81 places, 150 transitions, 991 flow, removed 1 selfloop flow, removed 6 redundant places. [2021-03-26 08:24:31,460 INFO L241 Difference]: Finished difference. Result has 85 places, 115 transitions, 738 flow [2021-03-26 08:24:31,460 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=330, PETRI_DIFFERENCE_MINUEND_FLOW=525, PETRI_DIFFERENCE_MINUEND_PLACES=73, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=104, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=21, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=78, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=738, PETRI_PLACES=85, PETRI_TRANSITIONS=115} [2021-03-26 08:24:31,460 INFO L343 CegarLoopForPetriNet]: 63 programPoint places, 22 predicate places. [2021-03-26 08:24:31,460 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 08:24:31,460 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 85 places, 115 transitions, 738 flow [2021-03-26 08:24:31,460 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 85 places, 115 transitions, 738 flow [2021-03-26 08:24:31,461 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 83 places, 115 transitions, 738 flow [2021-03-26 08:24:31,680 INFO L129 PetriNetUnfolder]: 2037/3612 cut-off events. [2021-03-26 08:24:31,680 INFO L130 PetriNetUnfolder]: For 6152/6311 co-relation queries the response was YES. [2021-03-26 08:24:31,696 INFO L84 FinitePrefix]: Finished finitePrefix Result has 8143 conditions, 3612 events. 2037/3612 cut-off events. For 6152/6311 co-relation queries the response was YES. Maximal size of possible extension queue 280. Compared 24335 event pairs, 79 based on Foata normal form. 36/2509 useless extension candidates. Maximal degree in co-relation 6388. Up to 812 conditions per place. [2021-03-26 08:24:31,717 INFO L142 LiptonReduction]: Number of co-enabled transitions 2092 [2021-03-26 08:24:31,722 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 08:24:31,722 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 08:24:31,723 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 263 [2021-03-26 08:24:31,723 INFO L480 AbstractCegarLoop]: Abstraction has has 83 places, 115 transitions, 738 flow [2021-03-26 08:24:31,724 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 233.57142857142858) internal successors, (1635), 7 states have internal predecessors, (1635), 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) [2021-03-26 08:24:31,724 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 08:24:31,724 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 08:24:31,724 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-03-26 08:24:31,724 INFO L428 AbstractCegarLoop]: === Iteration 7 === [thread0Err6INUSE_VIOLATION, thread0Err0INUSE_VIOLATION, thread0Thread1of1ForFork4Err1INUSE_VIOLATION, thread0Thread1of1ForFork4Err4INUSE_VIOLATION, ULTIMATE.startErr7INUSE_VIOLATION, thread0Thread1of1ForFork4Err5INUSE_VIOLATION, thread0Thread1of1ForFork4Err10INUSE_VIOLATION, thread0Err9INUSE_VIOLATION, thread0Err3INUSE_VIOLATION, thread0Err8INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, thread0Thread1of1ForFork4Err2INUSE_VIOLATION]=== [2021-03-26 08:24:31,724 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 08:24:31,724 INFO L82 PathProgramCache]: Analyzing trace with hash -625668609, now seen corresponding path program 1 times [2021-03-26 08:24:31,725 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 08:24:31,725 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2026173267] [2021-03-26 08:24:31,725 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 08:24:31,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 08:24:31,756 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:24:31,756 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 08:24:31,763 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:24:31,763 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 08:24:31,769 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:24:31,769 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:24:31,773 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:24:31,773 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-26 08:24:31,778 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:24:31,779 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:24:31,779 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 08:24:31,779 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2026173267] [2021-03-26 08:24:31,780 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 08:24:31,780 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-03-26 08:24:31,780 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [787971442] [2021-03-26 08:24:31,780 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-03-26 08:24:31,780 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 08:24:31,781 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-03-26 08:24:31,781 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-03-26 08:24:31,782 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 182 out of 330 [2021-03-26 08:24:31,783 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 83 places, 115 transitions, 738 flow. Second operand has 6 states, 6 states have (on average 184.0) internal successors, (1104), 6 states have internal predecessors, (1104), 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) [2021-03-26 08:24:31,783 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 08:24:31,783 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 182 of 330 [2021-03-26 08:24:31,783 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 08:24:32,682 INFO L129 PetriNetUnfolder]: 7914/11145 cut-off events. [2021-03-26 08:24:32,683 INFO L130 PetriNetUnfolder]: For 36468/37081 co-relation queries the response was YES. [2021-03-26 08:24:32,712 INFO L84 FinitePrefix]: Finished finitePrefix Result has 36652 conditions, 11145 events. 7914/11145 cut-off events. For 36468/37081 co-relation queries the response was YES. Maximal size of possible extension queue 522. Compared 58576 event pairs, 1786 based on Foata normal form. 253/8714 useless extension candidates. Maximal degree in co-relation 30942. Up to 5291 conditions per place. [2021-03-26 08:24:32,749 INFO L132 encePairwiseOnDemand]: 322/330 looper letters, 102 selfloop transitions, 17 changer transitions 0/153 dead transitions. [2021-03-26 08:24:32,749 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 90 places, 153 transitions, 1183 flow [2021-03-26 08:24:32,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 08:24:32,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 08:24:32,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 1532 transitions. [2021-03-26 08:24:32,753 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5803030303030303 [2021-03-26 08:24:32,753 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 1532 transitions. [2021-03-26 08:24:32,753 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 1532 transitions. [2021-03-26 08:24:32,754 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 08:24:32,754 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 1532 transitions. [2021-03-26 08:24:32,757 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 191.5) internal successors, (1532), 8 states have internal predecessors, (1532), 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) [2021-03-26 08:24:32,760 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 330.0) internal successors, (2970), 9 states have internal predecessors, (2970), 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) [2021-03-26 08:24:32,761 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 330.0) internal successors, (2970), 9 states have internal predecessors, (2970), 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) [2021-03-26 08:24:32,761 INFO L185 Difference]: Start difference. First operand has 83 places, 115 transitions, 738 flow. Second operand 8 states and 1532 transitions. [2021-03-26 08:24:32,761 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 90 places, 153 transitions, 1183 flow [2021-03-26 08:24:32,848 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 88 places, 153 transitions, 1168 flow, removed 3 selfloop flow, removed 2 redundant places. [2021-03-26 08:24:32,850 INFO L241 Difference]: Finished difference. Result has 90 places, 116 transitions, 779 flow [2021-03-26 08:24:32,850 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=330, PETRI_DIFFERENCE_MINUEND_FLOW=725, PETRI_DIFFERENCE_MINUEND_PLACES=81, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=115, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=16, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=98, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=779, PETRI_PLACES=90, PETRI_TRANSITIONS=116} [2021-03-26 08:24:32,850 INFO L343 CegarLoopForPetriNet]: 63 programPoint places, 27 predicate places. [2021-03-26 08:24:32,851 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 08:24:32,851 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 90 places, 116 transitions, 779 flow [2021-03-26 08:24:32,851 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 90 places, 116 transitions, 779 flow [2021-03-26 08:24:32,852 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 90 places, 116 transitions, 779 flow [2021-03-26 08:24:33,057 INFO L129 PetriNetUnfolder]: 1923/3456 cut-off events. [2021-03-26 08:24:33,058 INFO L130 PetriNetUnfolder]: For 5605/5762 co-relation queries the response was YES. [2021-03-26 08:24:33,074 INFO L84 FinitePrefix]: Finished finitePrefix Result has 7801 conditions, 3456 events. 1923/3456 cut-off events. For 5605/5762 co-relation queries the response was YES. Maximal size of possible extension queue 281. Compared 23479 event pairs, 79 based on Foata normal form. 43/2410 useless extension candidates. Maximal degree in co-relation 6346. Up to 812 conditions per place. [2021-03-26 08:24:33,101 INFO L142 LiptonReduction]: Number of co-enabled transitions 2082 [2021-03-26 08:24:33,107 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 08:24:33,107 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 08:24:33,107 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 256 [2021-03-26 08:24:33,108 INFO L480 AbstractCegarLoop]: Abstraction has has 90 places, 116 transitions, 779 flow [2021-03-26 08:24:33,108 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 184.0) internal successors, (1104), 6 states have internal predecessors, (1104), 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) [2021-03-26 08:24:33,108 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 08:24:33,108 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 08:24:33,109 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-03-26 08:24:33,109 INFO L428 AbstractCegarLoop]: === Iteration 8 === [thread0Err6INUSE_VIOLATION, thread0Err0INUSE_VIOLATION, thread0Thread1of1ForFork4Err1INUSE_VIOLATION, thread0Thread1of1ForFork4Err4INUSE_VIOLATION, ULTIMATE.startErr7INUSE_VIOLATION, thread0Thread1of1ForFork4Err5INUSE_VIOLATION, thread0Thread1of1ForFork4Err10INUSE_VIOLATION, thread0Err9INUSE_VIOLATION, thread0Err3INUSE_VIOLATION, thread0Err8INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, thread0Thread1of1ForFork4Err2INUSE_VIOLATION]=== [2021-03-26 08:24:33,109 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 08:24:33,109 INFO L82 PathProgramCache]: Analyzing trace with hash -1690315253, now seen corresponding path program 2 times [2021-03-26 08:24:33,109 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 08:24:33,109 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [695937545] [2021-03-26 08:24:33,109 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 08:24:33,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 08:24:33,159 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:24:33,160 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 08:24:33,165 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:24:33,166 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-26 08:24:33,176 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:24:33,179 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-26 08:24:33,190 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:24:33,191 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 08:24:33,201 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:24:33,202 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 08:24:33,208 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:24:33,209 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:24:33,214 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:24:33,214 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-26 08:24:33,221 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:24:33,221 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:24:33,222 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 08:24:33,222 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [695937545] [2021-03-26 08:24:33,222 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 08:24:33,222 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 08:24:33,222 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1156421155] [2021-03-26 08:24:33,223 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-26 08:24:33,223 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 08:24:33,223 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-26 08:24:33,224 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2021-03-26 08:24:33,225 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 180 out of 330 [2021-03-26 08:24:33,228 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 90 places, 116 transitions, 779 flow. Second operand has 9 states, 9 states have (on average 181.33333333333334) internal successors, (1632), 9 states have internal predecessors, (1632), 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) [2021-03-26 08:24:33,228 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 08:24:33,228 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 180 of 330 [2021-03-26 08:24:33,228 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 08:24:34,566 INFO L129 PetriNetUnfolder]: 11288/15578 cut-off events. [2021-03-26 08:24:34,566 INFO L130 PetriNetUnfolder]: For 54194/54808 co-relation queries the response was YES. [2021-03-26 08:24:34,652 INFO L84 FinitePrefix]: Finished finitePrefix Result has 52381 conditions, 15578 events. 11288/15578 cut-off events. For 54194/54808 co-relation queries the response was YES. Maximal size of possible extension queue 684. Compared 82041 event pairs, 2458 based on Foata normal form. 93/11767 useless extension candidates. Maximal degree in co-relation 47918. Up to 5665 conditions per place. [2021-03-26 08:24:34,686 INFO L132 encePairwiseOnDemand]: 320/330 looper letters, 130 selfloop transitions, 31 changer transitions 13/208 dead transitions. [2021-03-26 08:24:34,686 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 98 places, 208 transitions, 1711 flow [2021-03-26 08:24:34,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-26 08:24:34,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-26 08:24:34,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 1739 transitions. [2021-03-26 08:24:34,692 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5855218855218856 [2021-03-26 08:24:34,692 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 1739 transitions. [2021-03-26 08:24:34,692 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 1739 transitions. [2021-03-26 08:24:34,693 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 08:24:34,693 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 1739 transitions. [2021-03-26 08:24:34,696 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 193.22222222222223) internal successors, (1739), 9 states have internal predecessors, (1739), 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) [2021-03-26 08:24:34,701 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 330.0) internal successors, (3300), 10 states have internal predecessors, (3300), 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) [2021-03-26 08:24:34,702 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 330.0) internal successors, (3300), 10 states have internal predecessors, (3300), 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) [2021-03-26 08:24:34,702 INFO L185 Difference]: Start difference. First operand has 90 places, 116 transitions, 779 flow. Second operand 9 states and 1739 transitions. [2021-03-26 08:24:34,702 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 98 places, 208 transitions, 1711 flow [2021-03-26 08:24:34,814 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 92 places, 208 transitions, 1680 flow, removed 0 selfloop flow, removed 6 redundant places. [2021-03-26 08:24:34,817 INFO L241 Difference]: Finished difference. Result has 97 places, 122 transitions, 949 flow [2021-03-26 08:24:34,817 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=330, PETRI_DIFFERENCE_MINUEND_FLOW=748, PETRI_DIFFERENCE_MINUEND_PLACES=84, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=116, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=16, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=95, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=949, PETRI_PLACES=97, PETRI_TRANSITIONS=122} [2021-03-26 08:24:34,817 INFO L343 CegarLoopForPetriNet]: 63 programPoint places, 34 predicate places. [2021-03-26 08:24:34,817 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 08:24:34,817 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 97 places, 122 transitions, 949 flow [2021-03-26 08:24:34,818 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 97 places, 122 transitions, 949 flow [2021-03-26 08:24:34,818 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 97 places, 122 transitions, 949 flow [2021-03-26 08:24:35,048 INFO L129 PetriNetUnfolder]: 2706/4836 cut-off events. [2021-03-26 08:24:35,048 INFO L130 PetriNetUnfolder]: For 11949/12040 co-relation queries the response was YES. [2021-03-26 08:24:35,069 INFO L84 FinitePrefix]: Finished finitePrefix Result has 12113 conditions, 4836 events. 2706/4836 cut-off events. For 11949/12040 co-relation queries the response was YES. Maximal size of possible extension queue 353. Compared 34267 event pairs, 46 based on Foata normal form. 12/3394 useless extension candidates. Maximal degree in co-relation 10424. Up to 1054 conditions per place. [2021-03-26 08:24:35,103 INFO L142 LiptonReduction]: Number of co-enabled transitions 2110 [2021-03-26 08:24:35,109 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 08:24:35,109 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 08:24:35,109 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 292 [2021-03-26 08:24:35,109 INFO L480 AbstractCegarLoop]: Abstraction has has 97 places, 122 transitions, 949 flow [2021-03-26 08:24:35,110 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 181.33333333333334) internal successors, (1632), 9 states have internal predecessors, (1632), 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) [2021-03-26 08:24:35,110 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 08:24:35,111 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 08:24:35,111 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-03-26 08:24:35,111 INFO L428 AbstractCegarLoop]: === Iteration 9 === [thread0Err6INUSE_VIOLATION, thread0Err0INUSE_VIOLATION, thread0Thread1of1ForFork4Err1INUSE_VIOLATION, thread0Thread1of1ForFork4Err4INUSE_VIOLATION, ULTIMATE.startErr7INUSE_VIOLATION, thread0Thread1of1ForFork4Err5INUSE_VIOLATION, thread0Thread1of1ForFork4Err10INUSE_VIOLATION, thread0Err9INUSE_VIOLATION, thread0Err3INUSE_VIOLATION, thread0Err8INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, thread0Thread1of1ForFork4Err2INUSE_VIOLATION]=== [2021-03-26 08:24:35,111 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 08:24:35,111 INFO L82 PathProgramCache]: Analyzing trace with hash -997086584, now seen corresponding path program 1 times [2021-03-26 08:24:35,111 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 08:24:35,111 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [275974638] [2021-03-26 08:24:35,112 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 08:24:35,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 08:24:35,158 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:24:35,158 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 08:24:35,163 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:24:35,165 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-26 08:24:35,173 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:24:35,173 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-26 08:24:35,181 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:24:35,181 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 08:24:35,188 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:24:35,189 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 08:24:35,196 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:24:35,196 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-26 08:24:35,202 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:24:35,202 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-26 08:24:35,212 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:24:35,214 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:24:35,214 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 08:24:35,215 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [275974638] [2021-03-26 08:24:35,215 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 08:24:35,215 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 08:24:35,215 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [703250402] [2021-03-26 08:24:35,215 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-26 08:24:35,215 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 08:24:35,215 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-26 08:24:35,216 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2021-03-26 08:24:35,217 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 180 out of 330 [2021-03-26 08:24:35,219 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 97 places, 122 transitions, 949 flow. Second operand has 9 states, 9 states have (on average 181.33333333333334) internal successors, (1632), 9 states have internal predecessors, (1632), 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) [2021-03-26 08:24:35,219 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 08:24:35,219 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 180 of 330 [2021-03-26 08:24:35,219 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 08:24:36,333 INFO L129 PetriNetUnfolder]: 10125/14110 cut-off events. [2021-03-26 08:24:36,333 INFO L130 PetriNetUnfolder]: For 63198/63841 co-relation queries the response was YES. [2021-03-26 08:24:36,374 INFO L84 FinitePrefix]: Finished finitePrefix Result has 51726 conditions, 14110 events. 10125/14110 cut-off events. For 63198/63841 co-relation queries the response was YES. Maximal size of possible extension queue 664. Compared 75718 event pairs, 2519 based on Foata normal form. 99/10697 useless extension candidates. Maximal degree in co-relation 47910. Up to 9983 conditions per place. [2021-03-26 08:24:36,402 INFO L132 encePairwiseOnDemand]: 320/330 looper letters, 105 selfloop transitions, 20 changer transitions 0/159 dead transitions. [2021-03-26 08:24:36,403 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 103 places, 159 transitions, 1448 flow [2021-03-26 08:24:36,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-26 08:24:36,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-26 08:24:36,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 1341 transitions. [2021-03-26 08:24:36,405 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5805194805194805 [2021-03-26 08:24:36,405 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 1341 transitions. [2021-03-26 08:24:36,405 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 1341 transitions. [2021-03-26 08:24:36,406 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 08:24:36,406 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 1341 transitions. [2021-03-26 08:24:36,408 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 191.57142857142858) internal successors, (1341), 7 states have internal predecessors, (1341), 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) [2021-03-26 08:24:36,411 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 330.0) internal successors, (2640), 8 states have internal predecessors, (2640), 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) [2021-03-26 08:24:36,411 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 330.0) internal successors, (2640), 8 states have internal predecessors, (2640), 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) [2021-03-26 08:24:36,411 INFO L185 Difference]: Start difference. First operand has 97 places, 122 transitions, 949 flow. Second operand 7 states and 1341 transitions. [2021-03-26 08:24:36,412 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 103 places, 159 transitions, 1448 flow [2021-03-26 08:24:36,507 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 96 places, 159 transitions, 1305 flow, removed 38 selfloop flow, removed 7 redundant places. [2021-03-26 08:24:36,509 INFO L241 Difference]: Finished difference. Result has 99 places, 127 transitions, 954 flow [2021-03-26 08:24:36,509 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=330, PETRI_DIFFERENCE_MINUEND_FLOW=821, PETRI_DIFFERENCE_MINUEND_PLACES=90, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=122, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=15, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=104, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=954, PETRI_PLACES=99, PETRI_TRANSITIONS=127} [2021-03-26 08:24:36,509 INFO L343 CegarLoopForPetriNet]: 63 programPoint places, 36 predicate places. [2021-03-26 08:24:36,510 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 08:24:36,510 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 99 places, 127 transitions, 954 flow [2021-03-26 08:24:36,510 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 99 places, 127 transitions, 954 flow [2021-03-26 08:24:36,511 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 99 places, 127 transitions, 954 flow [2021-03-26 08:24:36,730 INFO L129 PetriNetUnfolder]: 2644/4740 cut-off events. [2021-03-26 08:24:36,730 INFO L130 PetriNetUnfolder]: For 7995/8067 co-relation queries the response was YES. [2021-03-26 08:24:36,756 INFO L84 FinitePrefix]: Finished finitePrefix Result has 10551 conditions, 4740 events. 2644/4740 cut-off events. For 7995/8067 co-relation queries the response was YES. Maximal size of possible extension queue 360. Compared 33668 event pairs, 68 based on Foata normal form. 21/3304 useless extension candidates. Maximal degree in co-relation 10306. Up to 1070 conditions per place. [2021-03-26 08:24:36,788 INFO L142 LiptonReduction]: Number of co-enabled transitions 2108 [2021-03-26 08:24:36,793 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 08:24:36,793 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 08:24:36,793 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 283 [2021-03-26 08:24:36,793 INFO L480 AbstractCegarLoop]: Abstraction has has 99 places, 127 transitions, 954 flow [2021-03-26 08:24:36,794 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 181.33333333333334) internal successors, (1632), 9 states have internal predecessors, (1632), 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) [2021-03-26 08:24:36,794 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 08:24:36,794 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 08:24:36,794 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-03-26 08:24:36,794 INFO L428 AbstractCegarLoop]: === Iteration 10 === [thread0Err6INUSE_VIOLATION, thread0Err0INUSE_VIOLATION, thread0Thread1of1ForFork4Err1INUSE_VIOLATION, thread0Thread1of1ForFork4Err4INUSE_VIOLATION, ULTIMATE.startErr7INUSE_VIOLATION, thread0Thread1of1ForFork4Err5INUSE_VIOLATION, thread0Thread1of1ForFork4Err10INUSE_VIOLATION, thread0Err9INUSE_VIOLATION, thread0Err3INUSE_VIOLATION, thread0Err8INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, thread0Thread1of1ForFork4Err2INUSE_VIOLATION]=== [2021-03-26 08:24:36,794 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 08:24:36,795 INFO L82 PathProgramCache]: Analyzing trace with hash -952393357, now seen corresponding path program 3 times [2021-03-26 08:24:36,795 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 08:24:36,795 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [900677408] [2021-03-26 08:24:36,795 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 08:24:36,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 08:24:36,822 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:24:36,822 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 08:24:36,827 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:24:36,828 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-26 08:24:36,839 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:24:36,840 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 08:24:36,857 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:24:36,858 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 08:24:36,874 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:24:36,875 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-26 08:24:36,891 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:24:36,892 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-26 08:24:36,906 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:24:36,907 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-26 08:24:36,932 INFO L142 QuantifierPusher]: treesize reduction 16, result has 33.3 percent of original size [2021-03-26 08:24:36,933 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-26 08:24:36,941 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:24:36,942 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-26 08:24:36,950 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:24:36,951 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:24:36,951 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 08:24:36,951 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [900677408] [2021-03-26 08:24:36,951 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 08:24:36,951 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-03-26 08:24:36,951 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1350095679] [2021-03-26 08:24:36,952 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 08:24:36,952 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 08:24:36,952 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 08:24:36,952 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2021-03-26 08:24:36,956 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 178 out of 330 [2021-03-26 08:24:36,957 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 99 places, 127 transitions, 954 flow. Second operand has 11 states, 11 states have (on average 179.0909090909091) internal successors, (1970), 11 states have internal predecessors, (1970), 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) [2021-03-26 08:24:36,957 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 08:24:36,957 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 178 of 330 [2021-03-26 08:24:36,958 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 08:24:38,409 INFO L129 PetriNetUnfolder]: 11262/15600 cut-off events. [2021-03-26 08:24:38,410 INFO L130 PetriNetUnfolder]: For 55941/56541 co-relation queries the response was YES. [2021-03-26 08:24:38,497 INFO L84 FinitePrefix]: Finished finitePrefix Result has 53347 conditions, 15600 events. 11262/15600 cut-off events. For 55941/56541 co-relation queries the response was YES. Maximal size of possible extension queue 740. Compared 83971 event pairs, 2154 based on Foata normal form. 89/11746 useless extension candidates. Maximal degree in co-relation 51668. Up to 10024 conditions per place. [2021-03-26 08:24:38,540 INFO L132 encePairwiseOnDemand]: 319/330 looper letters, 120 selfloop transitions, 44 changer transitions 0/198 dead transitions. [2021-03-26 08:24:38,540 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 109 places, 198 transitions, 1822 flow [2021-03-26 08:24:38,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-26 08:24:38,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-03-26 08:24:38,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 2069 transitions. [2021-03-26 08:24:38,545 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5699724517906336 [2021-03-26 08:24:38,545 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 2069 transitions. [2021-03-26 08:24:38,545 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 2069 transitions. [2021-03-26 08:24:38,546 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 08:24:38,546 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 2069 transitions. [2021-03-26 08:24:38,550 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 188.0909090909091) internal successors, (2069), 11 states have internal predecessors, (2069), 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) [2021-03-26 08:24:38,554 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 330.0) internal successors, (3960), 12 states have internal predecessors, (3960), 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) [2021-03-26 08:24:38,555 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 330.0) internal successors, (3960), 12 states have internal predecessors, (3960), 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) [2021-03-26 08:24:38,555 INFO L185 Difference]: Start difference. First operand has 99 places, 127 transitions, 954 flow. Second operand 11 states and 2069 transitions. [2021-03-26 08:24:38,555 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 109 places, 198 transitions, 1822 flow [2021-03-26 08:24:38,600 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 107 places, 198 transitions, 1776 flow, removed 15 selfloop flow, removed 2 redundant places. [2021-03-26 08:24:38,602 INFO L241 Difference]: Finished difference. Result has 112 places, 146 transitions, 1262 flow [2021-03-26 08:24:38,602 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=330, PETRI_DIFFERENCE_MINUEND_FLOW=922, PETRI_DIFFERENCE_MINUEND_PLACES=97, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=127, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=28, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=93, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=1262, PETRI_PLACES=112, PETRI_TRANSITIONS=146} [2021-03-26 08:24:38,602 INFO L343 CegarLoopForPetriNet]: 63 programPoint places, 49 predicate places. [2021-03-26 08:24:38,603 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 08:24:38,603 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 112 places, 146 transitions, 1262 flow [2021-03-26 08:24:38,603 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 112 places, 146 transitions, 1262 flow [2021-03-26 08:24:38,604 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 112 places, 146 transitions, 1262 flow [2021-03-26 08:24:38,848 INFO L129 PetriNetUnfolder]: 2809/4982 cut-off events. [2021-03-26 08:24:38,848 INFO L130 PetriNetUnfolder]: For 9464/9605 co-relation queries the response was YES. [2021-03-26 08:24:38,871 INFO L84 FinitePrefix]: Finished finitePrefix Result has 11640 conditions, 4982 events. 2809/4982 cut-off events. For 9464/9605 co-relation queries the response was YES. Maximal size of possible extension queue 390. Compared 35487 event pairs, 74 based on Foata normal form. 14/3390 useless extension candidates. Maximal degree in co-relation 10931. Up to 1122 conditions per place. [2021-03-26 08:24:38,947 INFO L142 LiptonReduction]: Number of co-enabled transitions 2238 [2021-03-26 08:24:38,951 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 08:24:38,951 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 08:24:38,951 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 348 [2021-03-26 08:24:38,952 INFO L480 AbstractCegarLoop]: Abstraction has has 112 places, 146 transitions, 1262 flow [2021-03-26 08:24:38,952 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 179.0909090909091) internal successors, (1970), 11 states have internal predecessors, (1970), 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) [2021-03-26 08:24:38,952 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 08:24:38,952 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 08:24:38,952 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-03-26 08:24:38,952 INFO L428 AbstractCegarLoop]: === Iteration 11 === [thread0Err6INUSE_VIOLATION, thread0Err0INUSE_VIOLATION, thread0Thread1of1ForFork4Err1INUSE_VIOLATION, thread0Thread1of1ForFork4Err4INUSE_VIOLATION, ULTIMATE.startErr7INUSE_VIOLATION, thread0Thread1of1ForFork4Err5INUSE_VIOLATION, thread0Thread1of1ForFork4Err10INUSE_VIOLATION, thread0Err9INUSE_VIOLATION, thread0Err3INUSE_VIOLATION, thread0Err8INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, thread0Thread1of1ForFork4Err2INUSE_VIOLATION]=== [2021-03-26 08:24:38,952 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 08:24:38,952 INFO L82 PathProgramCache]: Analyzing trace with hash -134167346, now seen corresponding path program 1 times [2021-03-26 08:24:38,953 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 08:24:38,953 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1459750733] [2021-03-26 08:24:38,953 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 08:24:38,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 08:24:38,972 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:24:38,973 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:24:38,973 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:24:38,973 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 08:24:38,975 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:24:38,976 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-26 08:24:38,979 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:24:38,979 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 08:24:38,985 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:24:38,985 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 08:24:38,989 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:24:38,989 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-26 08:24:38,993 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 08:24:38,993 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1459750733] [2021-03-26 08:24:38,993 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 08:24:38,993 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-26 08:24:38,994 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [466965853] [2021-03-26 08:24:38,994 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-26 08:24:38,994 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 08:24:38,994 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-26 08:24:38,994 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-03-26 08:24:38,996 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 231 out of 330 [2021-03-26 08:24:38,997 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 112 places, 146 transitions, 1262 flow. Second operand has 7 states, 7 states have (on average 232.71428571428572) internal successors, (1629), 7 states have internal predecessors, (1629), 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) [2021-03-26 08:24:38,997 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 08:24:38,997 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 231 of 330 [2021-03-26 08:24:38,997 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 08:24:39,849 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([462] L1163-2-->L1164-2: Formula: (and (= |v_ULTIMATE.start_main_#t~mem19_19| (select (select |v_#memory_int_124| v_~v~0.base_42) v_~v~0.offset_42)) (= (ite (= 88 |v_ULTIMATE.start_main_#t~mem19_19|) 1 0) |v_ULTIMATE.start___VERIFIER_assert_#in~expression_9|)) InVars {~v~0.offset=v_~v~0.offset_42, #memory_int=|v_#memory_int_124|, ~v~0.base=v_~v~0.base_42} OutVars{~v~0.offset=v_~v~0.offset_42, ULTIMATE.start_main_#t~mem19=|v_ULTIMATE.start_main_#t~mem19_19|, #memory_int=|v_#memory_int_124|, ULTIMATE.start_main_#t~mem18=|v_ULTIMATE.start_main_#t~mem18_36|, ~v~0.base=v_~v~0.base_42, ULTIMATE.start___VERIFIER_assert_#in~expression=|v_ULTIMATE.start___VERIFIER_assert_#in~expression_9|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~mem19, ULTIMATE.start_main_#t~mem18, ULTIMATE.start___VERIFIER_assert_#in~expression][59], [Black: 186#(and (not (= |ULTIMATE.start_main_#t~mem18| thread1Thread1of1ForFork3_thidvar0)) (= (select |#valid| |ULTIMATE.start_main_~#t~0.base|) 1)), 264#(and (= 88 (select (select (store |#memory_int| |thread0Thread1of1ForFork4_~#t3~0.base| (store (select |#memory_int| |thread0Thread1of1ForFork4_~#t3~0.base|) |thread0Thread1of1ForFork4_~#t3~0.offset| 2)) ~v~0.base) ~v~0.offset)) (not (= |thread0Thread1of1ForFork4_~#t3~0.base| ~v~0.base)) (<= (+ |#StackHeapBarrier| 1) |thread0Thread1of1ForFork4_~#t3~0.base|) (not (= |ULTIMATE.start___VERIFIER_assert_#in~expression| 0))), Black: 324#(not (= |ULTIMATE.start_main_#t~mem18| thread3Thread1of1ForFork0_thidvar0)), Black: 326#(and (= 5 (select (select (store |#memory_int| |thread0Thread1of1ForFork4_~#t2~0.base| (store (select |#memory_int| |thread0Thread1of1ForFork4_~#t2~0.base|) |thread0Thread1of1ForFork4_~#t2~0.offset| 1)) |ULTIMATE.start_main_~#t~0.base|) |ULTIMATE.start_main_~#t~0.offset|)) (not (= |thread0Thread1of1ForFork4_~#t1~0.base| |ULTIMATE.start_main_~#t~0.base|)) (not (= |thread0Thread1of1ForFork4_~#t3~0.base| |ULTIMATE.start_main_~#t~0.base|)) (not (= |thread0Thread1of1ForFork4_~#t2~0.base| |ULTIMATE.start_main_~#t~0.base|)) (= (select |#valid| |ULTIMATE.start_main_~#t~0.base|) 1)), Black: 328#(and (not (= (select (select |#memory_int| |ULTIMATE.start_main_~#t~0.base|) |ULTIMATE.start_main_~#t~0.offset|) thread3Thread1of1ForFork0_thidvar0)) (= 5 (select (select (store |#memory_int| |thread0Thread1of1ForFork4_~#t2~0.base| (store (select |#memory_int| |thread0Thread1of1ForFork4_~#t2~0.base|) |thread0Thread1of1ForFork4_~#t2~0.offset| 1)) |ULTIMATE.start_main_~#t~0.base|) |ULTIMATE.start_main_~#t~0.offset|)) (not (= |thread0Thread1of1ForFork4_~#t1~0.base| |ULTIMATE.start_main_~#t~0.base|)) (not (= |thread0Thread1of1ForFork4_~#t3~0.base| |ULTIMATE.start_main_~#t~0.base|)) (not (= |thread0Thread1of1ForFork4_~#t2~0.base| |ULTIMATE.start_main_~#t~0.base|)) (= (select |#valid| |ULTIMATE.start_main_~#t~0.base|) 1)), Black: 198#(= |ULTIMATE.start_main_#t~mem18| 5), 335#true, Black: 203#(and (not (= |ULTIMATE.start_main_#t~mem18| thread1Thread1of1ForFork3_thidvar0)) (= |ULTIMATE.start_main_#t~mem18| 5)), Black: 262#(and (= 88 (select (select (store |#memory_int| |thread0Thread1of1ForFork4_~#t3~0.base| (store (select |#memory_int| |thread0Thread1of1ForFork4_~#t3~0.base|) |thread0Thread1of1ForFork4_~#t3~0.offset| 2)) ~v~0.base) ~v~0.offset)) (not (= |thread0Thread1of1ForFork4_~#t3~0.base| ~v~0.base)) (<= (+ |#StackHeapBarrier| 1) |thread0Thread1of1ForFork4_~#t3~0.base|)), Black: 210#(and (= (select (select |#memory_int| |ULTIMATE.start_main_~#t~0.base|) |ULTIMATE.start_main_~#t~0.offset|) 5) (= (select |#valid| |ULTIMATE.start_main_~#t~0.base|) 1)), Black: 215#(and (= (select (select |#memory_int| |ULTIMATE.start_main_~#t~0.base|) |ULTIMATE.start_main_~#t~0.offset|) 5) (= |ULTIMATE.start_main_#t~mem18| 5) (= (select |#valid| |ULTIMATE.start_main_~#t~0.base|) 1)), Black: 219#(and (not (= |ULTIMATE.start_main_#t~mem18| thread1Thread1of1ForFork3_thidvar0)) (= |ULTIMATE.start_main_#t~mem18| 5)), Black: 278#(= |ULTIMATE.start_main_#t~mem18| 5), Black: 287#(and (= |ULTIMATE.start_main_#t~mem18| 5) (not (= |ULTIMATE.start_main_#t~mem18| thread3Thread1of1ForFork0_thidvar0))), 291#true, Black: 224#true, Black: 226#(= 88 (select (select |#memory_int| ~v~0.base) ~v~0.offset)), Black: 353#(and (not (= thread3Thread1of1ForFork0_thidvar0 (select (select (store |#memory_int| ~v~0.base (store (select |#memory_int| ~v~0.base) ~v~0.offset 89)) |ULTIMATE.start_main_~#t~0.base|) |ULTIMATE.start_main_~#t~0.offset|))) (or (= ~v~0.base |ULTIMATE.start_main_~#t~0.base|) (and (= 5 (select (select (store |#memory_int| |thread0Thread1of1ForFork4_~#t2~0.base| (store (select |#memory_int| |thread0Thread1of1ForFork4_~#t2~0.base|) |thread0Thread1of1ForFork4_~#t2~0.offset| 1)) |ULTIMATE.start_main_~#t~0.base|) |ULTIMATE.start_main_~#t~0.offset|)) (not (= |thread0Thread1of1ForFork4_~#t3~0.base| |ULTIMATE.start_main_~#t~0.base|)))) (not (= |thread0Thread1of1ForFork4_~#t1~0.base| |ULTIMATE.start_main_~#t~0.base|)) (not (= |thread0Thread1of1ForFork4_~#t2~0.base| |ULTIMATE.start_main_~#t~0.base|)) (or (not (= ~v~0.base |ULTIMATE.start_main_~#t~0.base|)) (and (= thread3Thread1of1ForFork0_thidvar0 2) (= ~v~0.offset |ULTIMATE.start_main_~#t~0.offset|)))), Black: 227#(not (= |ULTIMATE.start___VERIFIER_assert_#in~expression| 0)), Black: 355#(and (not (= (select (select |#memory_int| |ULTIMATE.start_main_~#t~0.base|) |ULTIMATE.start_main_~#t~0.offset|) thread3Thread1of1ForFork0_thidvar0)) (or (= ~v~0.base |ULTIMATE.start_main_~#t~0.base|) (and (= 5 (select (select (store |#memory_int| |thread0Thread1of1ForFork4_~#t2~0.base| (store (select |#memory_int| |thread0Thread1of1ForFork4_~#t2~0.base|) |thread0Thread1of1ForFork4_~#t2~0.offset| 1)) |ULTIMATE.start_main_~#t~0.base|) |ULTIMATE.start_main_~#t~0.offset|)) (not (= |thread0Thread1of1ForFork4_~#t3~0.base| |ULTIMATE.start_main_~#t~0.base|)))) (not (= |thread0Thread1of1ForFork4_~#t1~0.base| |ULTIMATE.start_main_~#t~0.base|)) (not (= |thread0Thread1of1ForFork4_~#t2~0.base| |ULTIMATE.start_main_~#t~0.base|)) (or (not (= ~v~0.base |ULTIMATE.start_main_~#t~0.base|)) (and (= thread3Thread1of1ForFork0_thidvar0 2) (= ~v~0.offset |ULTIMATE.start_main_~#t~0.offset|)))), Black: 339#(and (or (= ~v~0.base |ULTIMATE.start_main_~#t~0.base|) (and (= 5 (select (select (store |#memory_int| |thread0Thread1of1ForFork4_~#t2~0.base| (store (select |#memory_int| |thread0Thread1of1ForFork4_~#t2~0.base|) |thread0Thread1of1ForFork4_~#t2~0.offset| 1)) |ULTIMATE.start_main_~#t~0.base|) |ULTIMATE.start_main_~#t~0.offset|)) (not (= |thread0Thread1of1ForFork4_~#t3~0.base| |ULTIMATE.start_main_~#t~0.base|)))) (not (= |thread0Thread1of1ForFork4_~#t1~0.base| |ULTIMATE.start_main_~#t~0.base|)) (not (= |thread0Thread1of1ForFork4_~#t2~0.base| |ULTIMATE.start_main_~#t~0.base|)) (or (not (= ~v~0.base |ULTIMATE.start_main_~#t~0.base|)) (= ~v~0.offset |ULTIMATE.start_main_~#t~0.offset|))), Black: 359#(and (not (= (select (select |#memory_int| |ULTIMATE.start_main_~#t~0.base|) |ULTIMATE.start_main_~#t~0.offset|) thread3Thread1of1ForFork0_thidvar0)) (or (= ~v~0.base |ULTIMATE.start_main_~#t~0.base|) (and (= 5 (select (select (store |#memory_int| |thread0Thread1of1ForFork4_~#t2~0.base| (store (select |#memory_int| |thread0Thread1of1ForFork4_~#t2~0.base|) |thread0Thread1of1ForFork4_~#t2~0.offset| 1)) |ULTIMATE.start_main_~#t~0.base|) |ULTIMATE.start_main_~#t~0.offset|)) (not (= |thread0Thread1of1ForFork4_~#t3~0.base| |ULTIMATE.start_main_~#t~0.base|)))) (not (= |thread0Thread1of1ForFork4_~#t1~0.base| |ULTIMATE.start_main_~#t~0.base|)) (not (= |ULTIMATE.start_main_#t~mem18| thread3Thread1of1ForFork0_thidvar0)) (not (= |thread0Thread1of1ForFork4_~#t2~0.base| |ULTIMATE.start_main_~#t~0.base|)) (or (not (= ~v~0.base |ULTIMATE.start_main_~#t~0.base|)) (and (= thread3Thread1of1ForFork0_thidvar0 2) (= ~v~0.offset |ULTIMATE.start_main_~#t~0.offset|)))), 44#L1156-1true, 173#(= (select |#valid| |ULTIMATE.start_main_~#t~0.base|) 1), Black: 345#(not (= |ULTIMATE.start_main_#t~mem18| thread3Thread1of1ForFork0_thidvar0)), Black: 305#(and (= 5 (select (select (store |#memory_int| |thread0Thread1of1ForFork4_~#t2~0.base| (store (select |#memory_int| |thread0Thread1of1ForFork4_~#t2~0.base|) |thread0Thread1of1ForFork4_~#t2~0.offset| 1)) |ULTIMATE.start_main_~#t~0.base|) |ULTIMATE.start_main_~#t~0.offset|)) (not (= |thread0Thread1of1ForFork4_~#t1~0.base| |ULTIMATE.start_main_~#t~0.base|)) (= |ULTIMATE.start_main_#t~mem18| 5) (not (= |thread0Thread1of1ForFork4_~#t3~0.base| |ULTIMATE.start_main_~#t~0.base|)) (not (= |thread0Thread1of1ForFork4_~#t2~0.base| |ULTIMATE.start_main_~#t~0.base|)) (= (select |#valid| |ULTIMATE.start_main_~#t~0.base|) 1)), Black: 307#(and (= 5 (select (select (store |#memory_int| |thread0Thread1of1ForFork4_~#t2~0.base| (store (select |#memory_int| |thread0Thread1of1ForFork4_~#t2~0.base|) |thread0Thread1of1ForFork4_~#t2~0.offset| 1)) |ULTIMATE.start_main_~#t~0.base|) |ULTIMATE.start_main_~#t~0.offset|)) (not (= |thread0Thread1of1ForFork4_~#t1~0.base| |ULTIMATE.start_main_~#t~0.base|)) (= |ULTIMATE.start_main_#t~mem18| 5) (not (= |ULTIMATE.start_main_#t~mem18| thread3Thread1of1ForFork0_thidvar0)) (not (= |thread0Thread1of1ForFork4_~#t3~0.base| |ULTIMATE.start_main_~#t~0.base|)) (not (= |thread0Thread1of1ForFork4_~#t2~0.base| |ULTIMATE.start_main_~#t~0.base|)) (= (select |#valid| |ULTIMATE.start_main_~#t~0.base|) 1)), Black: 309#(and (= |ULTIMATE.start_main_#t~mem18| 5) (not (= |ULTIMATE.start_main_#t~mem18| thread3Thread1of1ForFork0_thidvar0))), Black: 298#(= |ULTIMATE.start_main_#t~mem18| 5), Black: 248#(and (= |ULTIMATE.start_main_#t~mem18| 5) (not (= |ULTIMATE.start_main_#t~mem18| thread2Thread1of1ForFork5_thidvar0))), 122#L1164-2true, 378#(and (not (= ~v~0.base |thread0Thread1of1ForFork4_~#t4~0.base|)) (<= (+ |#StackHeapBarrier| 1) |thread0Thread1of1ForFork4_~#t4~0.base|) (not (= |ULTIMATE.start___VERIFIER_assert_#in~expression| 0)) (= 88 (select (select (store |#memory_int| |thread0Thread1of1ForFork4_~#t4~0.base| (store (select |#memory_int| |thread0Thread1of1ForFork4_~#t4~0.base|) |thread0Thread1of1ForFork4_~#t4~0.offset| 3)) ~v~0.base) ~v~0.offset))), Black: 303#(and (= 5 (select (select (store |#memory_int| |thread0Thread1of1ForFork4_~#t2~0.base| (store (select |#memory_int| |thread0Thread1of1ForFork4_~#t2~0.base|) |thread0Thread1of1ForFork4_~#t2~0.offset| 1)) |ULTIMATE.start_main_~#t~0.base|) |ULTIMATE.start_main_~#t~0.offset|)) (not (= |thread0Thread1of1ForFork4_~#t1~0.base| |ULTIMATE.start_main_~#t~0.base|)) (not (= |thread0Thread1of1ForFork4_~#t3~0.base| |ULTIMATE.start_main_~#t~0.base|)) (not (= |thread0Thread1of1ForFork4_~#t2~0.base| |ULTIMATE.start_main_~#t~0.base|)) (= (select |#valid| |ULTIMATE.start_main_~#t~0.base|) 1)), Black: 239#(= |ULTIMATE.start_main_#t~mem18| 5), Black: 178#(not (= |ULTIMATE.start_main_#t~mem18| thread1Thread1of1ForFork3_thidvar0)), Black: 182#(and (not (= (select (select |#memory_int| |ULTIMATE.start_main_~#t~0.base|) |ULTIMATE.start_main_~#t~0.offset|) thread1Thread1of1ForFork3_thidvar0)) (= (select (select |#memory_int| |ULTIMATE.start_main_~#t~0.base|) |ULTIMATE.start_main_~#t~0.offset|) 5) (not (= |thread0Thread1of1ForFork4_~#t1~0.base| |ULTIMATE.start_main_~#t~0.base|)) (= (select |#valid| |ULTIMATE.start_main_~#t~0.base|) 1))]) [2021-03-26 08:24:39,850 INFO L384 tUnfolder$Statistics]: this new event has 29 ancestors and is cut-off event [2021-03-26 08:24:39,850 INFO L387 tUnfolder$Statistics]: existing Event has 29 ancestors and is cut-off event [2021-03-26 08:24:39,850 INFO L387 tUnfolder$Statistics]: existing Event has 29 ancestors and is cut-off event [2021-03-26 08:24:39,850 INFO L387 tUnfolder$Statistics]: existing Event has 29 ancestors and is cut-off event [2021-03-26 08:24:39,860 INFO L129 PetriNetUnfolder]: 6899/10530 cut-off events. [2021-03-26 08:24:39,860 INFO L130 PetriNetUnfolder]: For 48997/49542 co-relation queries the response was YES. [2021-03-26 08:24:39,922 INFO L84 FinitePrefix]: Finished finitePrefix Result has 38705 conditions, 10530 events. 6899/10530 cut-off events. For 48997/49542 co-relation queries the response was YES. Maximal size of possible extension queue 564. Compared 65229 event pairs, 320 based on Foata normal form. 325/8630 useless extension candidates. Maximal degree in co-relation 35791. Up to 2741 conditions per place. [2021-03-26 08:24:39,963 INFO L132 encePairwiseOnDemand]: 317/330 looper letters, 90 selfloop transitions, 46 changer transitions 2/195 dead transitions. [2021-03-26 08:24:39,963 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 118 places, 195 transitions, 1935 flow [2021-03-26 08:24:39,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-26 08:24:39,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-26 08:24:39,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 1684 transitions. [2021-03-26 08:24:39,967 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.729004329004329 [2021-03-26 08:24:39,967 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 1684 transitions. [2021-03-26 08:24:39,967 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 1684 transitions. [2021-03-26 08:24:39,968 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 08:24:39,968 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 1684 transitions. [2021-03-26 08:24:39,971 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 240.57142857142858) internal successors, (1684), 7 states have internal predecessors, (1684), 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) [2021-03-26 08:24:39,974 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 330.0) internal successors, (2640), 8 states have internal predecessors, (2640), 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) [2021-03-26 08:24:39,974 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 330.0) internal successors, (2640), 8 states have internal predecessors, (2640), 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) [2021-03-26 08:24:39,974 INFO L185 Difference]: Start difference. First operand has 112 places, 146 transitions, 1262 flow. Second operand 7 states and 1684 transitions. [2021-03-26 08:24:39,974 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 118 places, 195 transitions, 1935 flow [2021-03-26 08:24:40,067 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 114 places, 195 transitions, 1897 flow, removed 7 selfloop flow, removed 4 redundant places. [2021-03-26 08:24:40,070 INFO L241 Difference]: Finished difference. Result has 118 places, 162 transitions, 1601 flow [2021-03-26 08:24:40,070 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=330, PETRI_DIFFERENCE_MINUEND_FLOW=1228, PETRI_DIFFERENCE_MINUEND_PLACES=108, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=146, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=30, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=106, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=1601, PETRI_PLACES=118, PETRI_TRANSITIONS=162} [2021-03-26 08:24:40,070 INFO L343 CegarLoopForPetriNet]: 63 programPoint places, 55 predicate places. [2021-03-26 08:24:40,070 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 08:24:40,070 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 118 places, 162 transitions, 1601 flow [2021-03-26 08:24:40,071 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 118 places, 162 transitions, 1601 flow [2021-03-26 08:24:40,072 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 118 places, 162 transitions, 1601 flow [2021-03-26 08:24:40,394 INFO L129 PetriNetUnfolder]: 2900/5188 cut-off events. [2021-03-26 08:24:40,395 INFO L130 PetriNetUnfolder]: For 15788/16017 co-relation queries the response was YES. [2021-03-26 08:24:40,420 INFO L84 FinitePrefix]: Finished finitePrefix Result has 14128 conditions, 5188 events. 2900/5188 cut-off events. For 15788/16017 co-relation queries the response was YES. Maximal size of possible extension queue 401. Compared 37223 event pairs, 37 based on Foata normal form. 79/3665 useless extension candidates. Maximal degree in co-relation 13826. Up to 1148 conditions per place. [2021-03-26 08:24:40,463 INFO L142 LiptonReduction]: Number of co-enabled transitions 2484 [2021-03-26 08:24:40,468 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 08:24:40,468 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 08:24:40,468 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 398 [2021-03-26 08:24:40,470 INFO L480 AbstractCegarLoop]: Abstraction has has 118 places, 162 transitions, 1601 flow [2021-03-26 08:24:40,470 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 232.71428571428572) internal successors, (1629), 7 states have internal predecessors, (1629), 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) [2021-03-26 08:24:40,470 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 08:24:40,470 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 08:24:40,470 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-03-26 08:24:40,471 INFO L428 AbstractCegarLoop]: === Iteration 12 === [thread0Err6INUSE_VIOLATION, thread0Err0INUSE_VIOLATION, thread0Thread1of1ForFork4Err1INUSE_VIOLATION, thread0Thread1of1ForFork4Err4INUSE_VIOLATION, ULTIMATE.startErr7INUSE_VIOLATION, thread0Thread1of1ForFork4Err5INUSE_VIOLATION, thread0Thread1of1ForFork4Err10INUSE_VIOLATION, thread0Err9INUSE_VIOLATION, thread0Err3INUSE_VIOLATION, thread0Err8INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, thread0Thread1of1ForFork4Err2INUSE_VIOLATION]=== [2021-03-26 08:24:40,471 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 08:24:40,471 INFO L82 PathProgramCache]: Analyzing trace with hash -1459150374, now seen corresponding path program 1 times [2021-03-26 08:24:40,471 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 08:24:40,471 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1898278096] [2021-03-26 08:24:40,471 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 08:24:40,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 08:24:40,532 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:24:40,533 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 08:24:40,547 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:24:40,548 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 08:24:40,563 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:24:40,565 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-26 08:24:40,580 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:24:40,582 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-26 08:24:40,596 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:24:40,597 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-26 08:24:40,619 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:24:40,620 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-26 08:24:40,626 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:24:40,626 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-26 08:24:40,632 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:24:40,634 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:24:40,634 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 08:24:40,634 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1898278096] [2021-03-26 08:24:40,634 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 08:24:40,635 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 08:24:40,635 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [931066672] [2021-03-26 08:24:40,635 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-26 08:24:40,635 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 08:24:40,635 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-26 08:24:40,636 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2021-03-26 08:24:40,638 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 180 out of 330 [2021-03-26 08:24:40,639 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 118 places, 162 transitions, 1601 flow. Second operand has 9 states, 9 states have (on average 181.44444444444446) internal successors, (1633), 9 states have internal predecessors, (1633), 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) [2021-03-26 08:24:40,639 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 08:24:40,639 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 180 of 330 [2021-03-26 08:24:40,639 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 08:24:42,291 INFO L129 PetriNetUnfolder]: 12322/17346 cut-off events. [2021-03-26 08:24:42,291 INFO L130 PetriNetUnfolder]: For 109182/109812 co-relation queries the response was YES. [2021-03-26 08:24:42,406 INFO L84 FinitePrefix]: Finished finitePrefix Result has 67627 conditions, 17346 events. 12322/17346 cut-off events. For 109182/109812 co-relation queries the response was YES. Maximal size of possible extension queue 805. Compared 97541 event pairs, 2705 based on Foata normal form. 203/13181 useless extension candidates. Maximal degree in co-relation 64177. Up to 11269 conditions per place. [2021-03-26 08:24:42,448 INFO L132 encePairwiseOnDemand]: 318/330 looper letters, 127 selfloop transitions, 32 changer transitions 9/206 dead transitions. [2021-03-26 08:24:42,449 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 126 places, 206 transitions, 2348 flow [2021-03-26 08:24:42,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-26 08:24:42,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-26 08:24:42,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 1700 transitions. [2021-03-26 08:24:42,452 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5723905723905723 [2021-03-26 08:24:42,452 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 1700 transitions. [2021-03-26 08:24:42,452 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 1700 transitions. [2021-03-26 08:24:42,453 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 08:24:42,453 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 1700 transitions. [2021-03-26 08:24:42,456 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 188.88888888888889) internal successors, (1700), 9 states have internal predecessors, (1700), 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) [2021-03-26 08:24:42,458 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 330.0) internal successors, (3300), 10 states have internal predecessors, (3300), 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) [2021-03-26 08:24:42,458 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 330.0) internal successors, (3300), 10 states have internal predecessors, (3300), 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) [2021-03-26 08:24:42,459 INFO L185 Difference]: Start difference. First operand has 118 places, 162 transitions, 1601 flow. Second operand 9 states and 1700 transitions. [2021-03-26 08:24:42,459 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 126 places, 206 transitions, 2348 flow [2021-03-26 08:24:42,614 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 124 places, 206 transitions, 2326 flow, removed 7 selfloop flow, removed 2 redundant places. [2021-03-26 08:24:42,617 INFO L241 Difference]: Finished difference. Result has 126 places, 159 transitions, 1670 flow [2021-03-26 08:24:42,617 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=330, PETRI_DIFFERENCE_MINUEND_FLOW=1530, PETRI_DIFFERENCE_MINUEND_PLACES=116, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=159, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=23, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=133, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=1670, PETRI_PLACES=126, PETRI_TRANSITIONS=159} [2021-03-26 08:24:42,617 INFO L343 CegarLoopForPetriNet]: 63 programPoint places, 63 predicate places. [2021-03-26 08:24:42,618 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 08:24:42,618 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 126 places, 159 transitions, 1670 flow [2021-03-26 08:24:42,618 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 126 places, 159 transitions, 1670 flow [2021-03-26 08:24:42,619 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 126 places, 159 transitions, 1670 flow [2021-03-26 08:24:42,936 INFO L129 PetriNetUnfolder]: 3115/5642 cut-off events. [2021-03-26 08:24:42,936 INFO L130 PetriNetUnfolder]: For 17567/17812 co-relation queries the response was YES. [2021-03-26 08:24:42,965 INFO L84 FinitePrefix]: Finished finitePrefix Result has 15244 conditions, 5642 events. 3115/5642 cut-off events. For 17567/17812 co-relation queries the response was YES. Maximal size of possible extension queue 434. Compared 41740 event pairs, 30 based on Foata normal form. 96/4034 useless extension candidates. Maximal degree in co-relation 14680. Up to 1256 conditions per place. [2021-03-26 08:24:43,009 INFO L142 LiptonReduction]: Number of co-enabled transitions 2596 [2021-03-26 08:24:43,014 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 08:24:43,014 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 08:24:43,015 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 397 [2021-03-26 08:24:43,015 INFO L480 AbstractCegarLoop]: Abstraction has has 126 places, 159 transitions, 1670 flow [2021-03-26 08:24:43,016 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 181.44444444444446) internal successors, (1633), 9 states have internal predecessors, (1633), 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) [2021-03-26 08:24:43,016 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 08:24:43,016 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 08:24:43,016 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-03-26 08:24:43,016 INFO L428 AbstractCegarLoop]: === Iteration 13 === [thread0Err6INUSE_VIOLATION, thread0Err0INUSE_VIOLATION, thread0Thread1of1ForFork4Err1INUSE_VIOLATION, thread0Thread1of1ForFork4Err4INUSE_VIOLATION, ULTIMATE.startErr7INUSE_VIOLATION, thread0Thread1of1ForFork4Err5INUSE_VIOLATION, thread0Thread1of1ForFork4Err10INUSE_VIOLATION, thread0Err9INUSE_VIOLATION, thread0Err3INUSE_VIOLATION, thread0Err8INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, thread0Thread1of1ForFork4Err2INUSE_VIOLATION]=== [2021-03-26 08:24:43,016 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 08:24:43,016 INFO L82 PathProgramCache]: Analyzing trace with hash -1550777458, now seen corresponding path program 2 times [2021-03-26 08:24:43,016 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 08:24:43,016 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2129531805] [2021-03-26 08:24:43,017 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 08:24:43,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 08:24:43,040 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:24:43,040 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 08:24:43,045 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:24:43,045 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-26 08:24:43,051 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:24:43,052 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 08:24:43,058 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:24:43,058 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 08:24:43,063 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:24:43,064 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:24:43,068 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:24:43,068 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-26 08:24:43,075 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:24:43,075 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:24:43,075 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 08:24:43,075 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2129531805] [2021-03-26 08:24:43,075 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 08:24:43,075 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 08:24:43,076 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1577851706] [2021-03-26 08:24:43,076 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 08:24:43,076 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 08:24:43,076 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 08:24:43,076 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2021-03-26 08:24:43,078 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 181 out of 330 [2021-03-26 08:24:43,079 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 126 places, 159 transitions, 1670 flow. Second operand has 8 states, 8 states have (on average 182.625) internal successors, (1461), 8 states have internal predecessors, (1461), 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) [2021-03-26 08:24:43,079 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 08:24:43,079 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 181 of 330 [2021-03-26 08:24:43,079 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 08:24:44,786 INFO L129 PetriNetUnfolder]: 13430/18888 cut-off events. [2021-03-26 08:24:44,793 INFO L130 PetriNetUnfolder]: For 125170/125839 co-relation queries the response was YES. [2021-03-26 08:24:44,877 INFO L84 FinitePrefix]: Finished finitePrefix Result has 74666 conditions, 18888 events. 13430/18888 cut-off events. For 125170/125839 co-relation queries the response was YES. Maximal size of possible extension queue 865. Compared 107263 event pairs, 2686 based on Foata normal form. 115/14129 useless extension candidates. Maximal degree in co-relation 71164. Up to 8725 conditions per place. [2021-03-26 08:24:44,931 INFO L132 encePairwiseOnDemand]: 321/330 looper letters, 184 selfloop transitions, 27 changer transitions 0/249 dead transitions. [2021-03-26 08:24:44,931 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 134 places, 249 transitions, 2878 flow [2021-03-26 08:24:44,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-26 08:24:44,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-26 08:24:44,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 1738 transitions. [2021-03-26 08:24:44,935 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5851851851851851 [2021-03-26 08:24:44,935 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 1738 transitions. [2021-03-26 08:24:44,935 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 1738 transitions. [2021-03-26 08:24:44,936 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 08:24:44,936 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 1738 transitions. [2021-03-26 08:24:44,938 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 193.11111111111111) internal successors, (1738), 9 states have internal predecessors, (1738), 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) [2021-03-26 08:24:44,941 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 330.0) internal successors, (3300), 10 states have internal predecessors, (3300), 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) [2021-03-26 08:24:44,941 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 330.0) internal successors, (3300), 10 states have internal predecessors, (3300), 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) [2021-03-26 08:24:44,941 INFO L185 Difference]: Start difference. First operand has 126 places, 159 transitions, 1670 flow. Second operand 9 states and 1738 transitions. [2021-03-26 08:24:44,941 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 134 places, 249 transitions, 2878 flow [2021-03-26 08:24:45,194 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 128 places, 249 transitions, 2796 flow, removed 13 selfloop flow, removed 6 redundant places. [2021-03-26 08:24:45,197 INFO L241 Difference]: Finished difference. Result has 130 places, 165 transitions, 1761 flow [2021-03-26 08:24:45,198 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=330, PETRI_DIFFERENCE_MINUEND_FLOW=1602, PETRI_DIFFERENCE_MINUEND_PLACES=120, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=159, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=21, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=137, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=1761, PETRI_PLACES=130, PETRI_TRANSITIONS=165} [2021-03-26 08:24:45,198 INFO L343 CegarLoopForPetriNet]: 63 programPoint places, 67 predicate places. [2021-03-26 08:24:45,198 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 08:24:45,198 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 130 places, 165 transitions, 1761 flow [2021-03-26 08:24:45,198 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 130 places, 165 transitions, 1761 flow [2021-03-26 08:24:45,199 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 130 places, 165 transitions, 1761 flow [2021-03-26 08:24:45,560 INFO L129 PetriNetUnfolder]: 3396/6066 cut-off events. [2021-03-26 08:24:45,560 INFO L130 PetriNetUnfolder]: For 19770/20129 co-relation queries the response was YES. [2021-03-26 08:24:45,595 INFO L84 FinitePrefix]: Finished finitePrefix Result has 16595 conditions, 6066 events. 3396/6066 cut-off events. For 19770/20129 co-relation queries the response was YES. Maximal size of possible extension queue 472. Compared 44613 event pairs, 63 based on Foata normal form. 88/4233 useless extension candidates. Maximal degree in co-relation 16097. Up to 1378 conditions per place. [2021-03-26 08:24:45,711 INFO L142 LiptonReduction]: Number of co-enabled transitions 2716 [2021-03-26 08:24:45,718 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 08:24:45,718 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 08:24:45,718 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 520 [2021-03-26 08:24:45,719 INFO L480 AbstractCegarLoop]: Abstraction has has 130 places, 165 transitions, 1761 flow [2021-03-26 08:24:45,719 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 182.625) internal successors, (1461), 8 states have internal predecessors, (1461), 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) [2021-03-26 08:24:45,719 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 08:24:45,719 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 08:24:45,719 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-03-26 08:24:45,720 INFO L428 AbstractCegarLoop]: === Iteration 14 === [thread0Err6INUSE_VIOLATION, thread0Err0INUSE_VIOLATION, thread0Thread1of1ForFork4Err1INUSE_VIOLATION, thread0Thread1of1ForFork4Err4INUSE_VIOLATION, ULTIMATE.startErr7INUSE_VIOLATION, thread0Thread1of1ForFork4Err5INUSE_VIOLATION, thread0Thread1of1ForFork4Err10INUSE_VIOLATION, thread0Err9INUSE_VIOLATION, thread0Err3INUSE_VIOLATION, thread0Err8INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, thread0Thread1of1ForFork4Err2INUSE_VIOLATION]=== [2021-03-26 08:24:45,720 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 08:24:45,720 INFO L82 PathProgramCache]: Analyzing trace with hash 1503408134, now seen corresponding path program 1 times [2021-03-26 08:24:45,720 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 08:24:45,720 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1050329075] [2021-03-26 08:24:45,720 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 08:24:45,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 08:24:45,741 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:24:45,741 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 08:24:45,745 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:24:45,746 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-26 08:24:45,752 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:24:45,753 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 08:24:45,759 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:24:45,759 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 08:24:45,764 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:24:45,764 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-26 08:24:45,769 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:24:45,769 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-26 08:24:45,774 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:24:45,774 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:24:45,774 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 08:24:45,774 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1050329075] [2021-03-26 08:24:45,774 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 08:24:45,774 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 08:24:45,775 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [363817428] [2021-03-26 08:24:45,775 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 08:24:45,775 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 08:24:45,775 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 08:24:45,775 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2021-03-26 08:24:45,777 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 181 out of 330 [2021-03-26 08:24:45,778 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 130 places, 165 transitions, 1761 flow. Second operand has 8 states, 8 states have (on average 182.625) internal successors, (1461), 8 states have internal predecessors, (1461), 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) [2021-03-26 08:24:45,778 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 08:24:45,778 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 181 of 330 [2021-03-26 08:24:45,778 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 08:24:47,545 INFO L129 PetriNetUnfolder]: 12866/18286 cut-off events. [2021-03-26 08:24:47,546 INFO L130 PetriNetUnfolder]: For 122688/123431 co-relation queries the response was YES. [2021-03-26 08:24:47,652 INFO L84 FinitePrefix]: Finished finitePrefix Result has 72430 conditions, 18286 events. 12866/18286 cut-off events. For 122688/123431 co-relation queries the response was YES. Maximal size of possible extension queue 869. Compared 105979 event pairs, 2679 based on Foata normal form. 142/13780 useless extension candidates. Maximal degree in co-relation 70913. Up to 13029 conditions per place. [2021-03-26 08:24:47,699 INFO L132 encePairwiseOnDemand]: 321/330 looper letters, 154 selfloop transitions, 15 changer transitions 0/207 dead transitions. [2021-03-26 08:24:47,699 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 136 places, 207 transitions, 2464 flow [2021-03-26 08:24:47,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-26 08:24:47,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-26 08:24:47,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 1342 transitions. [2021-03-26 08:24:47,701 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.580952380952381 [2021-03-26 08:24:47,702 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 1342 transitions. [2021-03-26 08:24:47,702 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 1342 transitions. [2021-03-26 08:24:47,702 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 08:24:47,702 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 1342 transitions. [2021-03-26 08:24:47,704 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 191.71428571428572) internal successors, (1342), 7 states have internal predecessors, (1342), 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) [2021-03-26 08:24:47,706 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 330.0) internal successors, (2640), 8 states have internal predecessors, (2640), 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) [2021-03-26 08:24:47,706 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 330.0) internal successors, (2640), 8 states have internal predecessors, (2640), 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) [2021-03-26 08:24:47,706 INFO L185 Difference]: Start difference. First operand has 130 places, 165 transitions, 1761 flow. Second operand 7 states and 1342 transitions. [2021-03-26 08:24:47,706 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 136 places, 207 transitions, 2464 flow [2021-03-26 08:24:47,860 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 131 places, 207 transitions, 2356 flow, removed 16 selfloop flow, removed 5 redundant places. [2021-03-26 08:24:47,862 INFO L241 Difference]: Finished difference. Result has 133 places, 165 transitions, 1713 flow [2021-03-26 08:24:47,863 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=330, PETRI_DIFFERENCE_MINUEND_FLOW=1652, PETRI_DIFFERENCE_MINUEND_PLACES=125, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=164, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=14, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=149, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=1713, PETRI_PLACES=133, PETRI_TRANSITIONS=165} [2021-03-26 08:24:47,863 INFO L343 CegarLoopForPetriNet]: 63 programPoint places, 70 predicate places. [2021-03-26 08:24:47,863 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 08:24:47,863 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 133 places, 165 transitions, 1713 flow [2021-03-26 08:24:47,863 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 133 places, 165 transitions, 1713 flow [2021-03-26 08:24:47,864 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 133 places, 165 transitions, 1713 flow [2021-03-26 08:24:48,361 INFO L129 PetriNetUnfolder]: 3388/6112 cut-off events. [2021-03-26 08:24:48,361 INFO L130 PetriNetUnfolder]: For 16650/16943 co-relation queries the response was YES. [2021-03-26 08:24:48,388 INFO L84 FinitePrefix]: Finished finitePrefix Result has 16187 conditions, 6112 events. 3388/6112 cut-off events. For 16650/16943 co-relation queries the response was YES. Maximal size of possible extension queue 467. Compared 45867 event pairs, 56 based on Foata normal form. 36/4249 useless extension candidates. Maximal degree in co-relation 15992. Up to 1370 conditions per place. [2021-03-26 08:24:48,427 INFO L142 LiptonReduction]: Number of co-enabled transitions 2702 [2021-03-26 08:24:48,432 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 08:24:48,432 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 08:24:48,432 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 569 [2021-03-26 08:24:48,433 INFO L480 AbstractCegarLoop]: Abstraction has has 133 places, 165 transitions, 1713 flow [2021-03-26 08:24:48,433 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 182.625) internal successors, (1461), 8 states have internal predecessors, (1461), 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) [2021-03-26 08:24:48,433 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 08:24:48,433 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 08:24:48,433 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-03-26 08:24:48,433 INFO L428 AbstractCegarLoop]: === Iteration 15 === [thread0Err6INUSE_VIOLATION, thread0Err0INUSE_VIOLATION, thread0Thread1of1ForFork4Err1INUSE_VIOLATION, thread0Thread1of1ForFork4Err4INUSE_VIOLATION, ULTIMATE.startErr7INUSE_VIOLATION, thread0Thread1of1ForFork4Err5INUSE_VIOLATION, thread0Thread1of1ForFork4Err10INUSE_VIOLATION, thread0Err9INUSE_VIOLATION, thread0Err3INUSE_VIOLATION, thread0Err8INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, thread0Thread1of1ForFork4Err2INUSE_VIOLATION]=== [2021-03-26 08:24:48,433 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 08:24:48,433 INFO L82 PathProgramCache]: Analyzing trace with hash -998949896, now seen corresponding path program 3 times [2021-03-26 08:24:48,434 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 08:24:48,434 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [203407706] [2021-03-26 08:24:48,434 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 08:24:48,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 08:24:48,460 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:24:48,461 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 08:24:48,466 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:24:48,467 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-26 08:24:48,477 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:24:48,478 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 08:24:48,496 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:24:48,496 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 08:24:48,514 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:24:48,516 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-26 08:24:48,535 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:24:48,536 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-03-26 08:24:48,557 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:24:48,558 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-26 08:24:48,584 INFO L142 QuantifierPusher]: treesize reduction 16, result has 33.3 percent of original size [2021-03-26 08:24:48,585 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-26 08:24:48,592 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:24:48,593 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-26 08:24:48,600 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:24:48,600 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:24:48,600 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 08:24:48,600 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [203407706] [2021-03-26 08:24:48,601 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 08:24:48,601 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-03-26 08:24:48,601 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1500833] [2021-03-26 08:24:48,601 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 08:24:48,601 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 08:24:48,601 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 08:24:48,601 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2021-03-26 08:24:48,602 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 178 out of 330 [2021-03-26 08:24:48,603 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 133 places, 165 transitions, 1713 flow. Second operand has 11 states, 11 states have (on average 179.1818181818182) internal successors, (1971), 11 states have internal predecessors, (1971), 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) [2021-03-26 08:24:48,603 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 08:24:48,603 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 178 of 330 [2021-03-26 08:24:48,603 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 08:24:50,830 INFO L129 PetriNetUnfolder]: 13671/19241 cut-off events. [2021-03-26 08:24:50,830 INFO L130 PetriNetUnfolder]: For 115349/115924 co-relation queries the response was YES. [2021-03-26 08:24:50,925 INFO L84 FinitePrefix]: Finished finitePrefix Result has 75104 conditions, 19241 events. 13671/19241 cut-off events. For 115349/115924 co-relation queries the response was YES. Maximal size of possible extension queue 919. Compared 110351 event pairs, 2780 based on Foata normal form. 171/14548 useless extension candidates. Maximal degree in co-relation 74436. Up to 9926 conditions per place. [2021-03-26 08:24:50,966 INFO L132 encePairwiseOnDemand]: 318/330 looper letters, 125 selfloop transitions, 56 changer transitions 0/219 dead transitions. [2021-03-26 08:24:50,967 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 142 places, 219 transitions, 2591 flow [2021-03-26 08:24:50,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-26 08:24:50,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-03-26 08:24:50,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 1875 transitions. [2021-03-26 08:24:50,968 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5681818181818182 [2021-03-26 08:24:50,968 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 1875 transitions. [2021-03-26 08:24:50,968 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 1875 transitions. [2021-03-26 08:24:50,969 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 08:24:50,969 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 1875 transitions. [2021-03-26 08:24:50,971 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 187.5) internal successors, (1875), 10 states have internal predecessors, (1875), 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) [2021-03-26 08:24:50,974 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 330.0) internal successors, (3630), 11 states have internal predecessors, (3630), 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) [2021-03-26 08:24:50,974 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 330.0) internal successors, (3630), 11 states have internal predecessors, (3630), 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) [2021-03-26 08:24:50,974 INFO L185 Difference]: Start difference. First operand has 133 places, 165 transitions, 1713 flow. Second operand 10 states and 1875 transitions. [2021-03-26 08:24:50,974 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 142 places, 219 transitions, 2591 flow [2021-03-26 08:24:51,146 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 136 places, 219 transitions, 2482 flow, removed 13 selfloop flow, removed 6 redundant places. [2021-03-26 08:24:51,149 INFO L241 Difference]: Finished difference. Result has 139 places, 175 transitions, 1938 flow [2021-03-26 08:24:51,150 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=330, PETRI_DIFFERENCE_MINUEND_FLOW=1605, PETRI_DIFFERENCE_MINUEND_PLACES=127, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=163, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=45, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=116, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=1938, PETRI_PLACES=139, PETRI_TRANSITIONS=175} [2021-03-26 08:24:51,150 INFO L343 CegarLoopForPetriNet]: 63 programPoint places, 76 predicate places. [2021-03-26 08:24:51,150 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 08:24:51,150 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 139 places, 175 transitions, 1938 flow [2021-03-26 08:24:51,150 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 139 places, 175 transitions, 1938 flow [2021-03-26 08:24:51,151 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 139 places, 175 transitions, 1938 flow [2021-03-26 08:24:51,606 INFO L129 PetriNetUnfolder]: 3607/6582 cut-off events. [2021-03-26 08:24:51,606 INFO L130 PetriNetUnfolder]: For 17079/17273 co-relation queries the response was YES. [2021-03-26 08:24:51,646 INFO L84 FinitePrefix]: Finished finitePrefix Result has 16812 conditions, 6582 events. 3607/6582 cut-off events. For 17079/17273 co-relation queries the response was YES. Maximal size of possible extension queue 480. Compared 50406 event pairs, 35 based on Foata normal form. 46/4644 useless extension candidates. Maximal degree in co-relation 16614. Up to 1474 conditions per place. [2021-03-26 08:24:51,696 INFO L142 LiptonReduction]: Number of co-enabled transitions 2776 [2021-03-26 08:24:51,702 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 08:24:51,702 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 08:24:51,702 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 552 [2021-03-26 08:24:51,705 INFO L480 AbstractCegarLoop]: Abstraction has has 139 places, 175 transitions, 1938 flow [2021-03-26 08:24:51,705 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 179.1818181818182) internal successors, (1971), 11 states have internal predecessors, (1971), 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) [2021-03-26 08:24:51,705 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 08:24:51,705 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 08:24:51,705 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-03-26 08:24:51,705 INFO L428 AbstractCegarLoop]: === Iteration 16 === [thread0Err6INUSE_VIOLATION, thread0Err0INUSE_VIOLATION, thread0Thread1of1ForFork4Err1INUSE_VIOLATION, thread0Thread1of1ForFork4Err4INUSE_VIOLATION, ULTIMATE.startErr7INUSE_VIOLATION, thread0Thread1of1ForFork4Err5INUSE_VIOLATION, thread0Thread1of1ForFork4Err10INUSE_VIOLATION, thread0Err9INUSE_VIOLATION, thread0Err3INUSE_VIOLATION, thread0Err8INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, thread0Thread1of1ForFork4Err2INUSE_VIOLATION]=== [2021-03-26 08:24:51,706 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 08:24:51,706 INFO L82 PathProgramCache]: Analyzing trace with hash 57606416, now seen corresponding path program 1 times [2021-03-26 08:24:51,706 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 08:24:51,706 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1464732233] [2021-03-26 08:24:51,706 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 08:24:51,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 08:24:51,731 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:24:51,731 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 08:24:51,737 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:24:51,737 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-26 08:24:51,747 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:24:51,747 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 08:24:51,757 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:24:51,757 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-26 08:24:51,766 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:24:51,767 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-26 08:24:51,776 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:24:51,777 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-26 08:24:51,783 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:24:51,783 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 08:24:51,790 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:24:51,790 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:24:51,796 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:24:51,797 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-26 08:24:51,802 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:24:51,802 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:24:51,803 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 08:24:51,803 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1464732233] [2021-03-26 08:24:51,805 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 08:24:51,805 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 08:24:51,805 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1878838618] [2021-03-26 08:24:51,805 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-26 08:24:51,806 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 08:24:51,806 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-26 08:24:51,806 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2021-03-26 08:24:51,807 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 177 out of 330 [2021-03-26 08:24:51,809 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 139 places, 175 transitions, 1938 flow. Second operand has 10 states, 10 states have (on average 178.3) internal successors, (1783), 10 states have internal predecessors, (1783), 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) [2021-03-26 08:24:51,809 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 08:24:51,809 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 177 of 330 [2021-03-26 08:24:51,809 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 08:24:53,922 INFO L129 PetriNetUnfolder]: 14664/20437 cut-off events. [2021-03-26 08:24:53,922 INFO L130 PetriNetUnfolder]: For 117417/117972 co-relation queries the response was YES. [2021-03-26 08:24:54,042 INFO L84 FinitePrefix]: Finished finitePrefix Result has 79974 conditions, 20437 events. 14664/20437 cut-off events. For 117417/117972 co-relation queries the response was YES. Maximal size of possible extension queue 961. Compared 115579 event pairs, 3018 based on Foata normal form. 68/15332 useless extension candidates. Maximal degree in co-relation 79183. Up to 7717 conditions per place. [2021-03-26 08:24:54,098 INFO L132 encePairwiseOnDemand]: 320/330 looper letters, 167 selfloop transitions, 65 changer transitions 0/267 dead transitions. [2021-03-26 08:24:54,098 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 149 places, 267 transitions, 3175 flow [2021-03-26 08:24:54,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-26 08:24:54,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-03-26 08:24:54,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 2065 transitions. [2021-03-26 08:24:54,100 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.568870523415978 [2021-03-26 08:24:54,100 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 2065 transitions. [2021-03-26 08:24:54,100 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 2065 transitions. [2021-03-26 08:24:54,100 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 08:24:54,100 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 2065 transitions. [2021-03-26 08:24:54,103 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 187.72727272727272) internal successors, (2065), 11 states have internal predecessors, (2065), 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) [2021-03-26 08:24:54,105 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 330.0) internal successors, (3960), 12 states have internal predecessors, (3960), 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) [2021-03-26 08:24:54,106 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 330.0) internal successors, (3960), 12 states have internal predecessors, (3960), 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) [2021-03-26 08:24:54,106 INFO L185 Difference]: Start difference. First operand has 139 places, 175 transitions, 1938 flow. Second operand 11 states and 2065 transitions. [2021-03-26 08:24:54,106 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 149 places, 267 transitions, 3175 flow [2021-03-26 08:24:54,213 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 146 places, 267 transitions, 3155 flow, removed 4 selfloop flow, removed 3 redundant places. [2021-03-26 08:24:54,216 INFO L241 Difference]: Finished difference. Result has 149 places, 187 transitions, 2292 flow [2021-03-26 08:24:54,216 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=330, PETRI_DIFFERENCE_MINUEND_FLOW=1922, PETRI_DIFFERENCE_MINUEND_PLACES=136, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=175, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=53, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=121, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=2292, PETRI_PLACES=149, PETRI_TRANSITIONS=187} [2021-03-26 08:24:54,216 INFO L343 CegarLoopForPetriNet]: 63 programPoint places, 86 predicate places. [2021-03-26 08:24:54,216 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 08:24:54,216 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 149 places, 187 transitions, 2292 flow [2021-03-26 08:24:54,217 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 149 places, 187 transitions, 2292 flow [2021-03-26 08:24:54,218 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 149 places, 187 transitions, 2292 flow [2021-03-26 08:24:54,750 INFO L129 PetriNetUnfolder]: 3711/6647 cut-off events. [2021-03-26 08:24:54,750 INFO L130 PetriNetUnfolder]: For 20225/20525 co-relation queries the response was YES. [2021-03-26 08:24:54,788 INFO L84 FinitePrefix]: Finished finitePrefix Result has 17979 conditions, 6647 events. 3711/6647 cut-off events. For 20225/20525 co-relation queries the response was YES. Maximal size of possible extension queue 511. Compared 50034 event pairs, 89 based on Foata normal form. 48/4572 useless extension candidates. Maximal degree in co-relation 17749. Up to 1514 conditions per place. [2021-03-26 08:24:54,841 INFO L142 LiptonReduction]: Number of co-enabled transitions 2896 [2021-03-26 08:24:54,848 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 08:24:54,848 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 08:24:54,848 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 632 [2021-03-26 08:24:54,848 INFO L480 AbstractCegarLoop]: Abstraction has has 149 places, 187 transitions, 2292 flow [2021-03-26 08:24:54,848 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 178.3) internal successors, (1783), 10 states have internal predecessors, (1783), 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) [2021-03-26 08:24:54,848 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 08:24:54,849 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 08:24:54,849 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-03-26 08:24:54,849 INFO L428 AbstractCegarLoop]: === Iteration 17 === [thread0Err6INUSE_VIOLATION, thread0Err0INUSE_VIOLATION, thread0Thread1of1ForFork4Err1INUSE_VIOLATION, thread0Thread1of1ForFork4Err4INUSE_VIOLATION, ULTIMATE.startErr7INUSE_VIOLATION, thread0Thread1of1ForFork4Err5INUSE_VIOLATION, thread0Thread1of1ForFork4Err10INUSE_VIOLATION, thread0Err9INUSE_VIOLATION, thread0Err3INUSE_VIOLATION, thread0Err8INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, thread0Thread1of1ForFork4Err2INUSE_VIOLATION]=== [2021-03-26 08:24:54,849 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 08:24:54,849 INFO L82 PathProgramCache]: Analyzing trace with hash -1630737890, now seen corresponding path program 2 times [2021-03-26 08:24:54,849 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 08:24:54,849 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [13487829] [2021-03-26 08:24:54,849 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 08:24:54,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 08:24:54,881 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:24:54,882 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 08:24:54,887 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:24:54,888 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-26 08:24:54,897 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:24:54,897 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 08:24:54,906 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:24:54,907 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 08:24:54,923 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:24:54,923 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-26 08:24:54,940 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:24:54,940 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-26 08:24:54,957 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:24:54,957 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-26 08:24:54,972 INFO L142 QuantifierPusher]: treesize reduction 16, result has 33.3 percent of original size [2021-03-26 08:24:54,973 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-26 08:24:54,981 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:24:54,982 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-26 08:24:54,990 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:24:54,991 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:24:54,991 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 08:24:54,991 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [13487829] [2021-03-26 08:24:54,991 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 08:24:54,991 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-03-26 08:24:54,991 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [103257815] [2021-03-26 08:24:54,992 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 08:24:54,992 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 08:24:54,992 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 08:24:54,992 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2021-03-26 08:24:54,994 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 178 out of 330 [2021-03-26 08:24:54,995 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 149 places, 187 transitions, 2292 flow. Second operand has 11 states, 11 states have (on average 179.1818181818182) internal successors, (1971), 11 states have internal predecessors, (1971), 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) [2021-03-26 08:24:54,995 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 08:24:54,995 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 178 of 330 [2021-03-26 08:24:54,995 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 08:24:57,407 INFO L129 PetriNetUnfolder]: 14863/20854 cut-off events. [2021-03-26 08:24:57,408 INFO L130 PetriNetUnfolder]: For 130194/130802 co-relation queries the response was YES. [2021-03-26 08:24:57,555 INFO L84 FinitePrefix]: Finished finitePrefix Result has 84073 conditions, 20854 events. 14863/20854 cut-off events. For 130194/130802 co-relation queries the response was YES. Maximal size of possible extension queue 1002. Compared 120445 event pairs, 3189 based on Foata normal form. 77/15639 useless extension candidates. Maximal degree in co-relation 83196. Up to 14929 conditions per place. [2021-03-26 08:24:57,609 INFO L132 encePairwiseOnDemand]: 318/330 looper letters, 136 selfloop transitions, 66 changer transitions 0/237 dead transitions. [2021-03-26 08:24:57,609 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 161 places, 237 transitions, 3203 flow [2021-03-26 08:24:57,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-26 08:24:57,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-03-26 08:24:57,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 2415 transitions. [2021-03-26 08:24:57,611 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5629370629370629 [2021-03-26 08:24:57,611 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 2415 transitions. [2021-03-26 08:24:57,611 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 2415 transitions. [2021-03-26 08:24:57,612 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 08:24:57,612 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 2415 transitions. [2021-03-26 08:24:57,614 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 185.76923076923077) internal successors, (2415), 13 states have internal predecessors, (2415), 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) [2021-03-26 08:24:57,616 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 330.0) internal successors, (4620), 14 states have internal predecessors, (4620), 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) [2021-03-26 08:24:57,616 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 330.0) internal successors, (4620), 14 states have internal predecessors, (4620), 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) [2021-03-26 08:24:57,616 INFO L185 Difference]: Start difference. First operand has 149 places, 187 transitions, 2292 flow. Second operand 13 states and 2415 transitions. [2021-03-26 08:24:57,616 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 161 places, 237 transitions, 3203 flow [2021-03-26 08:24:57,764 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 158 places, 237 transitions, 3162 flow, removed 3 selfloop flow, removed 3 redundant places. [2021-03-26 08:24:57,767 INFO L241 Difference]: Finished difference. Result has 164 places, 202 transitions, 2729 flow [2021-03-26 08:24:57,768 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=330, PETRI_DIFFERENCE_MINUEND_FLOW=2253, PETRI_DIFFERENCE_MINUEND_PLACES=146, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=187, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=51, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=127, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=2729, PETRI_PLACES=164, PETRI_TRANSITIONS=202} [2021-03-26 08:24:57,768 INFO L343 CegarLoopForPetriNet]: 63 programPoint places, 101 predicate places. [2021-03-26 08:24:57,768 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 08:24:57,768 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 164 places, 202 transitions, 2729 flow [2021-03-26 08:24:57,768 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 164 places, 202 transitions, 2729 flow [2021-03-26 08:24:57,769 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 164 places, 202 transitions, 2729 flow [2021-03-26 08:24:58,374 INFO L129 PetriNetUnfolder]: 3863/6978 cut-off events. [2021-03-26 08:24:58,374 INFO L130 PetriNetUnfolder]: For 24034/24405 co-relation queries the response was YES. [2021-03-26 08:24:58,416 INFO L84 FinitePrefix]: Finished finitePrefix Result has 18905 conditions, 6978 events. 3863/6978 cut-off events. For 24034/24405 co-relation queries the response was YES. Maximal size of possible extension queue 530. Compared 53415 event pairs, 156 based on Foata normal form. 83/4843 useless extension candidates. Maximal degree in co-relation 18683. Up to 1614 conditions per place. [2021-03-26 08:24:58,477 INFO L142 LiptonReduction]: Number of co-enabled transitions 3012 [2021-03-26 08:24:58,485 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 08:24:58,485 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 08:24:58,485 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 717 [2021-03-26 08:24:58,486 INFO L480 AbstractCegarLoop]: Abstraction has has 164 places, 202 transitions, 2729 flow [2021-03-26 08:24:58,486 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 179.1818181818182) internal successors, (1971), 11 states have internal predecessors, (1971), 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) [2021-03-26 08:24:58,486 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 08:24:58,486 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 08:24:58,486 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-03-26 08:24:58,486 INFO L428 AbstractCegarLoop]: === Iteration 18 === [thread0Err6INUSE_VIOLATION, thread0Err0INUSE_VIOLATION, thread0Thread1of1ForFork4Err1INUSE_VIOLATION, thread0Thread1of1ForFork4Err4INUSE_VIOLATION, ULTIMATE.startErr7INUSE_VIOLATION, thread0Thread1of1ForFork4Err5INUSE_VIOLATION, thread0Thread1of1ForFork4Err10INUSE_VIOLATION, thread0Err9INUSE_VIOLATION, thread0Err3INUSE_VIOLATION, thread0Err8INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, thread0Thread1of1ForFork4Err2INUSE_VIOLATION]=== [2021-03-26 08:24:58,487 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 08:24:58,487 INFO L82 PathProgramCache]: Analyzing trace with hash 551550375, now seen corresponding path program 1 times [2021-03-26 08:24:58,487 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 08:24:58,487 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1455971834] [2021-03-26 08:24:58,487 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 08:24:58,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 08:24:58,522 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:24:58,524 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 08:24:58,531 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:24:58,532 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-03-26 08:24:58,564 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:24:58,565 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-26 08:24:58,590 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:24:58,591 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 08:24:58,611 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:24:58,612 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 08:24:58,630 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:24:58,630 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-26 08:24:58,655 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:24:58,660 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-03-26 08:24:58,681 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:24:58,681 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-03-26 08:24:58,692 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:24:58,692 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-26 08:24:58,699 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:24:58,699 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-26 08:24:58,706 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:24:58,707 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:24:58,708 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 08:24:58,709 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1455971834] [2021-03-26 08:24:58,709 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 08:24:58,709 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-03-26 08:24:58,709 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1374644613] [2021-03-26 08:24:58,709 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 08:24:58,709 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 08:24:58,709 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 08:24:58,710 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2021-03-26 08:24:58,711 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 176 out of 330 [2021-03-26 08:24:58,712 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 164 places, 202 transitions, 2729 flow. Second operand has 11 states, 11 states have (on average 177.1818181818182) internal successors, (1949), 11 states have internal predecessors, (1949), 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) [2021-03-26 08:24:58,712 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 08:24:58,712 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 176 of 330 [2021-03-26 08:24:58,712 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 08:24:59,125 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 45 [2021-03-26 08:25:01,587 INFO L129 PetriNetUnfolder]: 16461/23110 cut-off events. [2021-03-26 08:25:01,587 INFO L130 PetriNetUnfolder]: For 166298/166791 co-relation queries the response was YES. [2021-03-26 08:25:01,794 INFO L84 FinitePrefix]: Finished finitePrefix Result has 93784 conditions, 23110 events. 16461/23110 cut-off events. For 166298/166791 co-relation queries the response was YES. Maximal size of possible extension queue 1077. Compared 134273 event pairs, 2821 based on Foata normal form. 108/17301 useless extension candidates. Maximal degree in co-relation 92960. Up to 16201 conditions per place. [2021-03-26 08:25:01,862 INFO L132 encePairwiseOnDemand]: 317/330 looper letters, 194 selfloop transitions, 68 changer transitions 0/297 dead transitions. [2021-03-26 08:25:01,862 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 173 places, 297 transitions, 4437 flow [2021-03-26 08:25:01,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-26 08:25:01,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-03-26 08:25:01,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 1865 transitions. [2021-03-26 08:25:01,864 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5651515151515152 [2021-03-26 08:25:01,864 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 1865 transitions. [2021-03-26 08:25:01,864 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 1865 transitions. [2021-03-26 08:25:01,865 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 08:25:01,865 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 1865 transitions. [2021-03-26 08:25:01,866 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 186.5) internal successors, (1865), 10 states have internal predecessors, (1865), 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) [2021-03-26 08:25:01,868 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 330.0) internal successors, (3630), 11 states have internal predecessors, (3630), 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) [2021-03-26 08:25:01,868 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 330.0) internal successors, (3630), 11 states have internal predecessors, (3630), 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) [2021-03-26 08:25:01,868 INFO L185 Difference]: Start difference. First operand has 164 places, 202 transitions, 2729 flow. Second operand 10 states and 1865 transitions. [2021-03-26 08:25:01,868 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 173 places, 297 transitions, 4437 flow [2021-03-26 08:25:02,320 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 168 places, 297 transitions, 4314 flow, removed 29 selfloop flow, removed 5 redundant places. [2021-03-26 08:25:02,323 INFO L241 Difference]: Finished difference. Result has 171 places, 218 transitions, 3018 flow [2021-03-26 08:25:02,323 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=330, PETRI_DIFFERENCE_MINUEND_FLOW=2610, PETRI_DIFFERENCE_MINUEND_PLACES=159, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=202, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=55, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=139, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=3018, PETRI_PLACES=171, PETRI_TRANSITIONS=218} [2021-03-26 08:25:02,323 INFO L343 CegarLoopForPetriNet]: 63 programPoint places, 108 predicate places. [2021-03-26 08:25:02,323 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 08:25:02,324 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 171 places, 218 transitions, 3018 flow [2021-03-26 08:25:02,324 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 171 places, 218 transitions, 3018 flow [2021-03-26 08:25:02,325 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 171 places, 218 transitions, 3018 flow [2021-03-26 08:25:02,821 INFO L129 PetriNetUnfolder]: 4060/7293 cut-off events. [2021-03-26 08:25:02,821 INFO L130 PetriNetUnfolder]: For 27810/28105 co-relation queries the response was YES. [2021-03-26 08:25:02,876 INFO L84 FinitePrefix]: Finished finitePrefix Result has 20094 conditions, 7293 events. 4060/7293 cut-off events. For 27810/28105 co-relation queries the response was YES. Maximal size of possible extension queue 551. Compared 55789 event pairs, 95 based on Foata normal form. 60/5031 useless extension candidates. Maximal degree in co-relation 19869. Up to 1708 conditions per place. [2021-03-26 08:25:02,944 INFO L142 LiptonReduction]: Number of co-enabled transitions 3098 [2021-03-26 08:25:02,952 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 08:25:02,952 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 08:25:02,952 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 629 [2021-03-26 08:25:02,952 INFO L480 AbstractCegarLoop]: Abstraction has has 171 places, 218 transitions, 3018 flow [2021-03-26 08:25:02,953 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 177.1818181818182) internal successors, (1949), 11 states have internal predecessors, (1949), 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) [2021-03-26 08:25:02,953 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 08:25:02,953 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 08:25:02,953 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-03-26 08:25:02,953 INFO L428 AbstractCegarLoop]: === Iteration 19 === [thread0Err6INUSE_VIOLATION, thread0Err0INUSE_VIOLATION, thread0Thread1of1ForFork4Err1INUSE_VIOLATION, thread0Thread1of1ForFork4Err4INUSE_VIOLATION, ULTIMATE.startErr7INUSE_VIOLATION, thread0Thread1of1ForFork4Err5INUSE_VIOLATION, thread0Thread1of1ForFork4Err10INUSE_VIOLATION, thread0Err9INUSE_VIOLATION, thread0Err3INUSE_VIOLATION, thread0Err8INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, thread0Thread1of1ForFork4Err2INUSE_VIOLATION]=== [2021-03-26 08:25:02,953 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 08:25:02,953 INFO L82 PathProgramCache]: Analyzing trace with hash 758589394, now seen corresponding path program 2 times [2021-03-26 08:25:02,954 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 08:25:02,954 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [87527506] [2021-03-26 08:25:02,954 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 08:25:02,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 08:25:02,976 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:25:02,977 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:25:02,977 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:25:02,977 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 08:25:02,982 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:25:02,982 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 08:25:02,987 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:25:02,988 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-26 08:25:02,995 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:25:02,996 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 08:25:03,002 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:25:03,003 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 08:25:03,008 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:25:03,008 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-26 08:25:03,013 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 08:25:03,013 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [87527506] [2021-03-26 08:25:03,013 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 08:25:03,013 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 08:25:03,013 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1350216279] [2021-03-26 08:25:03,014 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 08:25:03,014 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 08:25:03,014 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 08:25:03,014 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2021-03-26 08:25:03,016 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 228 out of 330 [2021-03-26 08:25:03,017 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 171 places, 218 transitions, 3018 flow. Second operand has 8 states, 8 states have (on average 229.5) internal successors, (1836), 8 states have internal predecessors, (1836), 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) [2021-03-26 08:25:03,017 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 08:25:03,017 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 228 of 330 [2021-03-26 08:25:03,017 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 08:25:04,683 INFO L129 PetriNetUnfolder]: 9678/14827 cut-off events. [2021-03-26 08:25:04,683 INFO L130 PetriNetUnfolder]: For 133029/134019 co-relation queries the response was YES. [2021-03-26 08:25:04,813 INFO L84 FinitePrefix]: Finished finitePrefix Result has 65912 conditions, 14827 events. 9678/14827 cut-off events. For 133029/134019 co-relation queries the response was YES. Maximal size of possible extension queue 813. Compared 97866 event pairs, 512 based on Foata normal form. 360/11735 useless extension candidates. Maximal degree in co-relation 65164. Up to 3932 conditions per place. [2021-03-26 08:25:04,867 INFO L132 encePairwiseOnDemand]: 318/330 looper letters, 135 selfloop transitions, 77 changer transitions 2/276 dead transitions. [2021-03-26 08:25:04,867 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 177 places, 276 transitions, 4123 flow [2021-03-26 08:25:04,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-26 08:25:04,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-26 08:25:04,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 1662 transitions. [2021-03-26 08:25:04,869 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7194805194805195 [2021-03-26 08:25:04,869 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 1662 transitions. [2021-03-26 08:25:04,869 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 1662 transitions. [2021-03-26 08:25:04,869 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 08:25:04,869 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 1662 transitions. [2021-03-26 08:25:04,871 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 237.42857142857142) internal successors, (1662), 7 states have internal predecessors, (1662), 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) [2021-03-26 08:25:04,872 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 330.0) internal successors, (2640), 8 states have internal predecessors, (2640), 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) [2021-03-26 08:25:04,872 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 330.0) internal successors, (2640), 8 states have internal predecessors, (2640), 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) [2021-03-26 08:25:04,872 INFO L185 Difference]: Start difference. First operand has 171 places, 218 transitions, 3018 flow. Second operand 7 states and 1662 transitions. [2021-03-26 08:25:04,872 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 177 places, 276 transitions, 4123 flow [2021-03-26 08:25:05,115 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 172 places, 276 transitions, 3992 flow, removed 31 selfloop flow, removed 5 redundant places. [2021-03-26 08:25:05,119 INFO L241 Difference]: Finished difference. Result has 176 places, 235 transitions, 3477 flow [2021-03-26 08:25:05,119 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=330, PETRI_DIFFERENCE_MINUEND_FLOW=2913, PETRI_DIFFERENCE_MINUEND_PLACES=166, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=218, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=60, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=147, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=3477, PETRI_PLACES=176, PETRI_TRANSITIONS=235} [2021-03-26 08:25:05,119 INFO L343 CegarLoopForPetriNet]: 63 programPoint places, 113 predicate places. [2021-03-26 08:25:05,119 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 08:25:05,119 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 176 places, 235 transitions, 3477 flow [2021-03-26 08:25:05,119 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 176 places, 235 transitions, 3477 flow [2021-03-26 08:25:05,121 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 176 places, 235 transitions, 3477 flow [2021-03-26 08:25:05,937 INFO L129 PetriNetUnfolder]: 4226/7629 cut-off events. [2021-03-26 08:25:05,938 INFO L130 PetriNetUnfolder]: For 38116/38463 co-relation queries the response was YES. [2021-03-26 08:25:06,011 INFO L84 FinitePrefix]: Finished finitePrefix Result has 23000 conditions, 7629 events. 4226/7629 cut-off events. For 38116/38463 co-relation queries the response was YES. Maximal size of possible extension queue 581. Compared 58877 event pairs, 73 based on Foata normal form. 102/5336 useless extension candidates. Maximal degree in co-relation 22768. Up to 1794 conditions per place. [2021-03-26 08:25:06,102 INFO L142 LiptonReduction]: Number of co-enabled transitions 3288 [2021-03-26 08:25:06,112 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 08:25:06,112 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 08:25:06,113 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 994 [2021-03-26 08:25:06,113 INFO L480 AbstractCegarLoop]: Abstraction has has 176 places, 235 transitions, 3477 flow [2021-03-26 08:25:06,114 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 229.5) internal successors, (1836), 8 states have internal predecessors, (1836), 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) [2021-03-26 08:25:06,114 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 08:25:06,114 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 08:25:06,114 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-03-26 08:25:06,114 INFO L428 AbstractCegarLoop]: === Iteration 20 === [thread0Err6INUSE_VIOLATION, thread0Err0INUSE_VIOLATION, thread0Thread1of1ForFork4Err1INUSE_VIOLATION, thread0Thread1of1ForFork4Err4INUSE_VIOLATION, ULTIMATE.startErr7INUSE_VIOLATION, thread0Thread1of1ForFork4Err5INUSE_VIOLATION, thread0Thread1of1ForFork4Err10INUSE_VIOLATION, thread0Err9INUSE_VIOLATION, thread0Err3INUSE_VIOLATION, thread0Err8INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, thread0Thread1of1ForFork4Err2INUSE_VIOLATION]=== [2021-03-26 08:25:06,114 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 08:25:06,114 INFO L82 PathProgramCache]: Analyzing trace with hash 750841812, now seen corresponding path program 3 times [2021-03-26 08:25:06,115 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 08:25:06,115 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [347012096] [2021-03-26 08:25:06,115 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 08:25:06,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 08:25:06,152 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:25:06,152 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 08:25:06,159 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:25:06,160 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-26 08:25:06,171 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:25:06,171 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 08:25:06,182 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:25:06,182 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-26 08:25:06,194 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:25:06,194 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-26 08:25:06,210 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:25:06,210 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-26 08:25:06,217 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:25:06,218 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 08:25:06,225 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:25:06,225 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-26 08:25:06,231 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:25:06,232 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-26 08:25:06,238 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:25:06,239 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:25:06,239 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 08:25:06,239 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [347012096] [2021-03-26 08:25:06,239 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 08:25:06,239 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 08:25:06,239 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [677568296] [2021-03-26 08:25:06,239 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-26 08:25:06,240 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 08:25:06,240 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-26 08:25:06,240 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2021-03-26 08:25:06,241 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 177 out of 330 [2021-03-26 08:25:06,242 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 176 places, 235 transitions, 3477 flow. Second operand has 10 states, 10 states have (on average 178.3) internal successors, (1783), 10 states have internal predecessors, (1783), 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) [2021-03-26 08:25:06,242 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 08:25:06,242 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 177 of 330 [2021-03-26 08:25:06,242 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 08:25:09,097 INFO L129 PetriNetUnfolder]: 16158/22578 cut-off events. [2021-03-26 08:25:09,097 INFO L130 PetriNetUnfolder]: For 238200/239088 co-relation queries the response was YES. [2021-03-26 08:25:09,275 INFO L84 FinitePrefix]: Finished finitePrefix Result has 103751 conditions, 22578 events. 16158/22578 cut-off events. For 238200/239088 co-relation queries the response was YES. Maximal size of possible extension queue 1087. Compared 130899 event pairs, 3430 based on Foata normal form. 98/16913 useless extension candidates. Maximal degree in co-relation 102917. Up to 14863 conditions per place. [2021-03-26 08:25:09,334 INFO L132 encePairwiseOnDemand]: 321/330 looper letters, 183 selfloop transitions, 53 changer transitions 0/271 dead transitions. [2021-03-26 08:25:09,334 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 183 places, 271 transitions, 4267 flow [2021-03-26 08:25:09,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 08:25:09,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 08:25:09,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 1495 transitions. [2021-03-26 08:25:09,336 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5662878787878788 [2021-03-26 08:25:09,336 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 1495 transitions. [2021-03-26 08:25:09,336 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 1495 transitions. [2021-03-26 08:25:09,336 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 08:25:09,336 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 1495 transitions. [2021-03-26 08:25:09,337 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 186.875) internal successors, (1495), 8 states have internal predecessors, (1495), 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) [2021-03-26 08:25:09,339 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 330.0) internal successors, (2970), 9 states have internal predecessors, (2970), 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) [2021-03-26 08:25:09,339 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 330.0) internal successors, (2970), 9 states have internal predecessors, (2970), 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) [2021-03-26 08:25:09,340 INFO L185 Difference]: Start difference. First operand has 176 places, 235 transitions, 3477 flow. Second operand 8 states and 1495 transitions. [2021-03-26 08:25:09,340 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 183 places, 271 transitions, 4267 flow [2021-03-26 08:25:09,697 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 179 places, 271 transitions, 4165 flow, removed 16 selfloop flow, removed 4 redundant places. [2021-03-26 08:25:09,701 INFO L241 Difference]: Finished difference. Result has 182 places, 233 transitions, 3512 flow [2021-03-26 08:25:09,701 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=330, PETRI_DIFFERENCE_MINUEND_FLOW=3320, PETRI_DIFFERENCE_MINUEND_PLACES=172, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=232, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=52, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=179, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=3512, PETRI_PLACES=182, PETRI_TRANSITIONS=233} [2021-03-26 08:25:09,702 INFO L343 CegarLoopForPetriNet]: 63 programPoint places, 119 predicate places. [2021-03-26 08:25:09,702 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 08:25:09,702 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 182 places, 233 transitions, 3512 flow [2021-03-26 08:25:09,702 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 182 places, 233 transitions, 3512 flow [2021-03-26 08:25:09,704 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 182 places, 233 transitions, 3512 flow [2021-03-26 08:25:10,396 INFO L129 PetriNetUnfolder]: 4157/7504 cut-off events. [2021-03-26 08:25:10,397 INFO L130 PetriNetUnfolder]: For 37375/37643 co-relation queries the response was YES. [2021-03-26 08:25:10,452 INFO L84 FinitePrefix]: Finished finitePrefix Result has 22467 conditions, 7504 events. 4157/7504 cut-off events. For 37375/37643 co-relation queries the response was YES. Maximal size of possible extension queue 583. Compared 57937 event pairs, 92 based on Foata normal form. 91/5208 useless extension candidates. Maximal degree in co-relation 22234. Up to 1786 conditions per place. [2021-03-26 08:25:10,522 INFO L142 LiptonReduction]: Number of co-enabled transitions 3270 [2021-03-26 08:25:10,531 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 08:25:10,531 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 08:25:10,532 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 830 [2021-03-26 08:25:10,532 INFO L480 AbstractCegarLoop]: Abstraction has has 182 places, 233 transitions, 3512 flow [2021-03-26 08:25:10,532 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 178.3) internal successors, (1783), 10 states have internal predecessors, (1783), 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) [2021-03-26 08:25:10,532 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 08:25:10,532 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 08:25:10,532 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2021-03-26 08:25:10,533 INFO L428 AbstractCegarLoop]: === Iteration 21 === [thread0Err6INUSE_VIOLATION, thread0Err0INUSE_VIOLATION, thread0Thread1of1ForFork4Err1INUSE_VIOLATION, thread0Thread1of1ForFork4Err4INUSE_VIOLATION, ULTIMATE.startErr7INUSE_VIOLATION, thread0Thread1of1ForFork4Err5INUSE_VIOLATION, thread0Thread1of1ForFork4Err10INUSE_VIOLATION, thread0Err9INUSE_VIOLATION, thread0Err3INUSE_VIOLATION, thread0Err8INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, thread0Thread1of1ForFork4Err2INUSE_VIOLATION]=== [2021-03-26 08:25:10,533 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 08:25:10,533 INFO L82 PathProgramCache]: Analyzing trace with hash 1230078054, now seen corresponding path program 1 times [2021-03-26 08:25:10,533 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 08:25:10,533 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1162388990] [2021-03-26 08:25:10,533 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 08:25:10,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 08:25:10,564 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:25:10,565 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 08:25:10,571 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:25:10,572 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-03-26 08:25:10,589 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:25:10,590 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-03-26 08:25:10,606 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:25:10,607 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 08:25:10,623 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:25:10,624 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 08:25:10,641 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:25:10,642 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-03-26 08:25:10,681 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:25:10,681 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 08:25:10,702 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:25:10,703 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 08:25:10,713 INFO L142 QuantifierPusher]: treesize reduction 14, result has 36.4 percent of original size [2021-03-26 08:25:10,713 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-26 08:25:10,722 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:25:10,722 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-26 08:25:10,732 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:25:10,732 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:25:10,732 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 08:25:10,732 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1162388990] [2021-03-26 08:25:10,733 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 08:25:10,733 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-03-26 08:25:10,733 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [981861516] [2021-03-26 08:25:10,733 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 08:25:10,733 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 08:25:10,733 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 08:25:10,733 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2021-03-26 08:25:10,735 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 176 out of 330 [2021-03-26 08:25:10,736 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 182 places, 233 transitions, 3512 flow. Second operand has 11 states, 11 states have (on average 177.27272727272728) internal successors, (1950), 11 states have internal predecessors, (1950), 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) [2021-03-26 08:25:10,736 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 08:25:10,736 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 176 of 330 [2021-03-26 08:25:10,736 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 08:25:13,804 INFO L129 PetriNetUnfolder]: 15407/21952 cut-off events. [2021-03-26 08:25:13,804 INFO L130 PetriNetUnfolder]: For 225833/226395 co-relation queries the response was YES. [2021-03-26 08:25:13,974 INFO L84 FinitePrefix]: Finished finitePrefix Result has 97024 conditions, 21952 events. 15407/21952 cut-off events. For 225833/226395 co-relation queries the response was YES. Maximal size of possible extension queue 1055. Compared 130778 event pairs, 2453 based on Foata normal form. 142/16405 useless extension candidates. Maximal degree in co-relation 96280. Up to 15191 conditions per place. [2021-03-26 08:25:14,052 INFO L132 encePairwiseOnDemand]: 318/330 looper letters, 180 selfloop transitions, 53 changer transitions 0/276 dead transitions. [2021-03-26 08:25:14,052 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 191 places, 276 transitions, 4540 flow [2021-03-26 08:25:14,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-26 08:25:14,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-03-26 08:25:14,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 1851 transitions. [2021-03-26 08:25:14,055 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5609090909090909 [2021-03-26 08:25:14,055 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 1851 transitions. [2021-03-26 08:25:14,055 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 1851 transitions. [2021-03-26 08:25:14,055 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 08:25:14,056 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 1851 transitions. [2021-03-26 08:25:14,058 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 185.1) internal successors, (1851), 10 states have internal predecessors, (1851), 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) [2021-03-26 08:25:14,059 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 330.0) internal successors, (3630), 11 states have internal predecessors, (3630), 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) [2021-03-26 08:25:14,060 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 330.0) internal successors, (3630), 11 states have internal predecessors, (3630), 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) [2021-03-26 08:25:14,060 INFO L185 Difference]: Start difference. First operand has 182 places, 233 transitions, 3512 flow. Second operand 10 states and 1851 transitions. [2021-03-26 08:25:14,060 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 191 places, 276 transitions, 4540 flow [2021-03-26 08:25:14,404 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 179 places, 276 transitions, 4261 flow, removed 26 selfloop flow, removed 12 redundant places. [2021-03-26 08:25:14,407 INFO L241 Difference]: Finished difference. Result has 181 places, 207 transitions, 3044 flow [2021-03-26 08:25:14,407 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=330, PETRI_DIFFERENCE_MINUEND_FLOW=2917, PETRI_DIFFERENCE_MINUEND_PLACES=170, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=207, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=53, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=154, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=3044, PETRI_PLACES=181, PETRI_TRANSITIONS=207} [2021-03-26 08:25:14,408 INFO L343 CegarLoopForPetriNet]: 63 programPoint places, 118 predicate places. [2021-03-26 08:25:14,408 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 08:25:14,408 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 181 places, 207 transitions, 3044 flow [2021-03-26 08:25:14,408 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 181 places, 207 transitions, 3044 flow [2021-03-26 08:25:14,409 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 181 places, 207 transitions, 3044 flow [2021-03-26 08:25:14,916 INFO L129 PetriNetUnfolder]: 3964/7051 cut-off events. [2021-03-26 08:25:14,916 INFO L130 PetriNetUnfolder]: For 30775/31018 co-relation queries the response was YES. [2021-03-26 08:25:15,160 INFO L84 FinitePrefix]: Finished finitePrefix Result has 20283 conditions, 7051 events. 3964/7051 cut-off events. For 30775/31018 co-relation queries the response was YES. Maximal size of possible extension queue 565. Compared 52869 event pairs, 59 based on Foata normal form. 110/4880 useless extension candidates. Maximal degree in co-relation 20051. Up to 1690 conditions per place. [2021-03-26 08:25:15,206 INFO L142 LiptonReduction]: Number of co-enabled transitions 2868 [2021-03-26 08:25:15,213 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 08:25:15,213 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 08:25:15,213 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 805 [2021-03-26 08:25:15,214 INFO L480 AbstractCegarLoop]: Abstraction has has 181 places, 207 transitions, 3044 flow [2021-03-26 08:25:15,214 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 177.27272727272728) internal successors, (1950), 11 states have internal predecessors, (1950), 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) [2021-03-26 08:25:15,214 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 08:25:15,214 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 08:25:15,214 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2021-03-26 08:25:15,214 INFO L428 AbstractCegarLoop]: === Iteration 22 === [thread0Err6INUSE_VIOLATION, thread0Err0INUSE_VIOLATION, thread0Thread1of1ForFork4Err1INUSE_VIOLATION, thread0Thread1of1ForFork4Err4INUSE_VIOLATION, ULTIMATE.startErr7INUSE_VIOLATION, thread0Thread1of1ForFork4Err5INUSE_VIOLATION, thread0Thread1of1ForFork4Err10INUSE_VIOLATION, thread0Err9INUSE_VIOLATION, thread0Err3INUSE_VIOLATION, thread0Err8INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, thread0Thread1of1ForFork4Err2INUSE_VIOLATION]=== [2021-03-26 08:25:15,215 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 08:25:15,215 INFO L82 PathProgramCache]: Analyzing trace with hash 110549166, now seen corresponding path program 1 times [2021-03-26 08:25:15,215 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 08:25:15,215 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1224199565] [2021-03-26 08:25:15,215 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 08:25:15,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 08:25:15,242 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:25:15,242 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 08:25:15,245 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:25:15,245 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:25:15,247 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:25:15,248 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-26 08:25:15,251 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:25:15,251 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:25:15,251 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 08:25:15,251 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1224199565] [2021-03-26 08:25:15,252 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 08:25:15,252 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-03-26 08:25:15,252 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1695635786] [2021-03-26 08:25:15,252 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-03-26 08:25:15,252 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 08:25:15,252 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-03-26 08:25:15,252 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-03-26 08:25:15,254 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 224 out of 330 [2021-03-26 08:25:15,254 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 181 places, 207 transitions, 3044 flow. Second operand has 5 states, 5 states have (on average 226.4) internal successors, (1132), 5 states have internal predecessors, (1132), 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) [2021-03-26 08:25:15,254 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 08:25:15,254 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 224 of 330 [2021-03-26 08:25:15,254 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 08:25:17,688 INFO L129 PetriNetUnfolder]: 14425/20401 cut-off events. [2021-03-26 08:25:17,688 INFO L130 PetriNetUnfolder]: For 188998/189693 co-relation queries the response was YES. [2021-03-26 08:25:17,833 INFO L84 FinitePrefix]: Finished finitePrefix Result has 90225 conditions, 20401 events. 14425/20401 cut-off events. For 188998/189693 co-relation queries the response was YES. Maximal size of possible extension queue 1024. Compared 119971 event pairs, 3059 based on Foata normal form. 111/15247 useless extension candidates. Maximal degree in co-relation 89509. Up to 15320 conditions per place. [2021-03-26 08:25:17,910 INFO L132 encePairwiseOnDemand]: 323/330 looper letters, 204 selfloop transitions, 7 changer transitions 0/261 dead transitions. [2021-03-26 08:25:17,910 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 186 places, 261 transitions, 4180 flow [2021-03-26 08:25:17,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-26 08:25:17,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-03-26 08:25:17,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1412 transitions. [2021-03-26 08:25:17,911 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7131313131313132 [2021-03-26 08:25:17,911 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1412 transitions. [2021-03-26 08:25:17,911 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1412 transitions. [2021-03-26 08:25:17,912 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 08:25:17,912 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1412 transitions. [2021-03-26 08:25:17,913 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 235.33333333333334) internal successors, (1412), 6 states have internal predecessors, (1412), 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) [2021-03-26 08:25:17,914 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 330.0) internal successors, (2310), 7 states have internal predecessors, (2310), 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) [2021-03-26 08:25:17,914 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 330.0) internal successors, (2310), 7 states have internal predecessors, (2310), 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) [2021-03-26 08:25:17,914 INFO L185 Difference]: Start difference. First operand has 181 places, 207 transitions, 3044 flow. Second operand 6 states and 1412 transitions. [2021-03-26 08:25:17,914 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 186 places, 261 transitions, 4180 flow [2021-03-26 08:25:18,178 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 177 places, 261 transitions, 4054 flow, removed 0 selfloop flow, removed 9 redundant places. [2021-03-26 08:25:18,181 INFO L241 Difference]: Finished difference. Result has 179 places, 208 transitions, 2966 flow [2021-03-26 08:25:18,181 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=330, PETRI_DIFFERENCE_MINUEND_FLOW=2938, PETRI_DIFFERENCE_MINUEND_PLACES=172, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=207, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=200, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=2966, PETRI_PLACES=179, PETRI_TRANSITIONS=208} [2021-03-26 08:25:18,181 INFO L343 CegarLoopForPetriNet]: 63 programPoint places, 116 predicate places. [2021-03-26 08:25:18,182 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 08:25:18,182 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 179 places, 208 transitions, 2966 flow [2021-03-26 08:25:18,182 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 179 places, 208 transitions, 2966 flow [2021-03-26 08:25:18,184 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 179 places, 208 transitions, 2966 flow [2021-03-26 08:25:18,963 INFO L129 PetriNetUnfolder]: 3883/7008 cut-off events. [2021-03-26 08:25:18,964 INFO L130 PetriNetUnfolder]: For 28572/28756 co-relation queries the response was YES. [2021-03-26 08:25:18,998 INFO L84 FinitePrefix]: Finished finitePrefix Result has 19655 conditions, 7008 events. 3883/7008 cut-off events. For 28572/28756 co-relation queries the response was YES. Maximal size of possible extension queue 533. Compared 53336 event pairs, 58 based on Foata normal form. 96/4867 useless extension candidates. Maximal degree in co-relation 19421. Up to 1696 conditions per place. [2021-03-26 08:25:19,046 INFO L142 LiptonReduction]: Number of co-enabled transitions 2848 [2021-03-26 08:25:19,053 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 08:25:19,053 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 08:25:19,053 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 871 [2021-03-26 08:25:19,054 INFO L480 AbstractCegarLoop]: Abstraction has has 179 places, 208 transitions, 2966 flow [2021-03-26 08:25:19,054 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 226.4) internal successors, (1132), 5 states have internal predecessors, (1132), 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) [2021-03-26 08:25:19,054 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 08:25:19,054 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 08:25:19,054 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2021-03-26 08:25:19,054 INFO L428 AbstractCegarLoop]: === Iteration 23 === [thread0Err6INUSE_VIOLATION, thread0Err0INUSE_VIOLATION, thread0Thread1of1ForFork4Err1INUSE_VIOLATION, thread0Thread1of1ForFork4Err4INUSE_VIOLATION, ULTIMATE.startErr7INUSE_VIOLATION, thread0Thread1of1ForFork4Err5INUSE_VIOLATION, thread0Thread1of1ForFork4Err10INUSE_VIOLATION, thread0Err9INUSE_VIOLATION, thread0Err3INUSE_VIOLATION, thread0Err8INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, thread0Thread1of1ForFork4Err2INUSE_VIOLATION]=== [2021-03-26 08:25:19,054 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 08:25:19,054 INFO L82 PathProgramCache]: Analyzing trace with hash -1575795269, now seen corresponding path program 1 times [2021-03-26 08:25:19,054 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 08:25:19,054 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1796562925] [2021-03-26 08:25:19,055 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 08:25:19,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 08:25:19,073 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:25:19,073 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 08:25:19,077 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:25:19,078 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 08:25:19,082 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:25:19,082 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:25:19,086 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:25:19,087 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-26 08:25:19,091 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:25:19,091 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:25:19,091 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 08:25:19,091 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1796562925] [2021-03-26 08:25:19,091 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 08:25:19,091 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-03-26 08:25:19,091 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1449686240] [2021-03-26 08:25:19,092 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-03-26 08:25:19,092 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 08:25:19,092 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-03-26 08:25:19,092 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-03-26 08:25:19,093 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 182 out of 330 [2021-03-26 08:25:19,094 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 179 places, 208 transitions, 2966 flow. Second operand has 6 states, 6 states have (on average 184.33333333333334) internal successors, (1106), 6 states have internal predecessors, (1106), 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) [2021-03-26 08:25:19,094 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 08:25:19,094 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 182 of 330 [2021-03-26 08:25:19,094 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 08:25:21,353 INFO L129 PetriNetUnfolder]: 13950/19823 cut-off events. [2021-03-26 08:25:21,353 INFO L130 PetriNetUnfolder]: For 184419/185103 co-relation queries the response was YES. [2021-03-26 08:25:21,463 INFO L84 FinitePrefix]: Finished finitePrefix Result has 88579 conditions, 19823 events. 13950/19823 cut-off events. For 184419/185103 co-relation queries the response was YES. Maximal size of possible extension queue 1003. Compared 117168 event pairs, 2998 based on Foata normal form. 175/14914 useless extension candidates. Maximal degree in co-relation 87860. Up to 13074 conditions per place. [2021-03-26 08:25:21,524 INFO L132 encePairwiseOnDemand]: 322/330 looper letters, 198 selfloop transitions, 19 changer transitions 0/262 dead transitions. [2021-03-26 08:25:21,524 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 186 places, 262 transitions, 4092 flow [2021-03-26 08:25:21,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 08:25:21,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 08:25:21,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 1531 transitions. [2021-03-26 08:25:21,528 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5799242424242425 [2021-03-26 08:25:21,528 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 1531 transitions. [2021-03-26 08:25:21,528 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 1531 transitions. [2021-03-26 08:25:21,529 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 08:25:21,529 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 1531 transitions. [2021-03-26 08:25:21,530 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 191.375) internal successors, (1531), 8 states have internal predecessors, (1531), 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) [2021-03-26 08:25:21,531 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 330.0) internal successors, (2970), 9 states have internal predecessors, (2970), 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) [2021-03-26 08:25:21,532 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 330.0) internal successors, (2970), 9 states have internal predecessors, (2970), 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) [2021-03-26 08:25:21,532 INFO L185 Difference]: Start difference. First operand has 179 places, 208 transitions, 2966 flow. Second operand 8 states and 1531 transitions. [2021-03-26 08:25:21,532 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 186 places, 262 transitions, 4092 flow [2021-03-26 08:25:21,820 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 182 places, 262 transitions, 4080 flow, removed 0 selfloop flow, removed 4 redundant places. [2021-03-26 08:25:21,824 INFO L241 Difference]: Finished difference. Result has 184 places, 209 transitions, 3016 flow [2021-03-26 08:25:21,825 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=330, PETRI_DIFFERENCE_MINUEND_FLOW=2954, PETRI_DIFFERENCE_MINUEND_PLACES=175, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=208, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=18, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=189, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=3016, PETRI_PLACES=184, PETRI_TRANSITIONS=209} [2021-03-26 08:25:21,825 INFO L343 CegarLoopForPetriNet]: 63 programPoint places, 121 predicate places. [2021-03-26 08:25:21,825 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 08:25:21,825 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 184 places, 209 transitions, 3016 flow [2021-03-26 08:25:21,825 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 184 places, 209 transitions, 3016 flow [2021-03-26 08:25:21,827 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 184 places, 209 transitions, 3016 flow [2021-03-26 08:25:22,536 INFO L129 PetriNetUnfolder]: 3836/6942 cut-off events. [2021-03-26 08:25:22,536 INFO L130 PetriNetUnfolder]: For 27505/27634 co-relation queries the response was YES. [2021-03-26 08:25:22,581 INFO L84 FinitePrefix]: Finished finitePrefix Result has 19420 conditions, 6942 events. 3836/6942 cut-off events. For 27505/27634 co-relation queries the response was YES. Maximal size of possible extension queue 536. Compared 52971 event pairs, 55 based on Foata normal form. 93/4820 useless extension candidates. Maximal degree in co-relation 18854. Up to 1700 conditions per place. [2021-03-26 08:25:22,645 INFO L142 LiptonReduction]: Number of co-enabled transitions 2798 [2021-03-26 08:25:22,653 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 08:25:22,653 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 08:25:22,653 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 828 [2021-03-26 08:25:22,653 INFO L480 AbstractCegarLoop]: Abstraction has has 184 places, 209 transitions, 3016 flow [2021-03-26 08:25:22,654 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 184.33333333333334) internal successors, (1106), 6 states have internal predecessors, (1106), 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) [2021-03-26 08:25:22,654 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 08:25:22,654 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 08:25:22,654 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2021-03-26 08:25:22,654 INFO L428 AbstractCegarLoop]: === Iteration 24 === [thread0Err6INUSE_VIOLATION, thread0Err0INUSE_VIOLATION, thread0Thread1of1ForFork4Err1INUSE_VIOLATION, thread0Thread1of1ForFork4Err4INUSE_VIOLATION, ULTIMATE.startErr7INUSE_VIOLATION, thread0Thread1of1ForFork4Err5INUSE_VIOLATION, thread0Thread1of1ForFork4Err10INUSE_VIOLATION, thread0Err9INUSE_VIOLATION, thread0Err3INUSE_VIOLATION, thread0Err8INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, thread0Thread1of1ForFork4Err2INUSE_VIOLATION]=== [2021-03-26 08:25:22,655 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 08:25:22,655 INFO L82 PathProgramCache]: Analyzing trace with hash 1438434779, now seen corresponding path program 2 times [2021-03-26 08:25:22,655 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 08:25:22,655 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1791155770] [2021-03-26 08:25:22,655 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 08:25:22,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 08:25:22,682 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:25:22,684 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 08:25:22,693 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:25:22,693 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-26 08:25:22,706 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:25:22,707 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-26 08:25:22,719 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:25:22,719 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 08:25:22,726 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:25:22,728 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 08:25:22,735 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:25:22,735 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-26 08:25:22,741 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:25:22,741 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:25:22,741 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 08:25:22,742 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1791155770] [2021-03-26 08:25:22,742 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 08:25:22,742 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 08:25:22,742 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [766607373] [2021-03-26 08:25:22,742 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 08:25:22,742 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 08:25:22,742 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 08:25:22,743 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2021-03-26 08:25:22,744 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 181 out of 330 [2021-03-26 08:25:22,745 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 184 places, 209 transitions, 3016 flow. Second operand has 8 states, 8 states have (on average 182.75) internal successors, (1462), 8 states have internal predecessors, (1462), 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) [2021-03-26 08:25:22,745 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 08:25:22,745 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 181 of 330 [2021-03-26 08:25:22,745 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 08:25:25,221 INFO L129 PetriNetUnfolder]: 13499/19281 cut-off events. [2021-03-26 08:25:25,221 INFO L130 PetriNetUnfolder]: For 182632/183310 co-relation queries the response was YES. [2021-03-26 08:25:25,358 INFO L84 FinitePrefix]: Finished finitePrefix Result has 87072 conditions, 19281 events. 13499/19281 cut-off events. For 182632/183310 co-relation queries the response was YES. Maximal size of possible extension queue 977. Compared 114588 event pairs, 2837 based on Foata normal form. 185/14555 useless extension candidates. Maximal degree in co-relation 86604. Up to 10836 conditions per place. [2021-03-26 08:25:25,421 INFO L132 encePairwiseOnDemand]: 320/330 looper letters, 180 selfloop transitions, 32 changer transitions 0/257 dead transitions. [2021-03-26 08:25:25,421 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 193 places, 257 transitions, 4009 flow [2021-03-26 08:25:25,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-26 08:25:25,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-03-26 08:25:25,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 1890 transitions. [2021-03-26 08:25:25,423 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5727272727272728 [2021-03-26 08:25:25,423 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 1890 transitions. [2021-03-26 08:25:25,423 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 1890 transitions. [2021-03-26 08:25:25,423 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 08:25:25,423 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 1890 transitions. [2021-03-26 08:25:25,424 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 189.0) internal successors, (1890), 10 states have internal predecessors, (1890), 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) [2021-03-26 08:25:25,426 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 330.0) internal successors, (3630), 11 states have internal predecessors, (3630), 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) [2021-03-26 08:25:25,426 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 330.0) internal successors, (3630), 11 states have internal predecessors, (3630), 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) [2021-03-26 08:25:25,426 INFO L185 Difference]: Start difference. First operand has 184 places, 209 transitions, 3016 flow. Second operand 10 states and 1890 transitions. [2021-03-26 08:25:25,426 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 193 places, 257 transitions, 4009 flow [2021-03-26 08:25:25,682 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 186 places, 257 transitions, 3967 flow, removed 2 selfloop flow, removed 7 redundant places. [2021-03-26 08:25:25,685 INFO L241 Difference]: Finished difference. Result has 188 places, 210 transitions, 3072 flow [2021-03-26 08:25:25,686 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=330, PETRI_DIFFERENCE_MINUEND_FLOW=2974, PETRI_DIFFERENCE_MINUEND_PLACES=177, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=209, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=31, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=177, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=3072, PETRI_PLACES=188, PETRI_TRANSITIONS=210} [2021-03-26 08:25:25,686 INFO L343 CegarLoopForPetriNet]: 63 programPoint places, 125 predicate places. [2021-03-26 08:25:25,686 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 08:25:25,686 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 188 places, 210 transitions, 3072 flow [2021-03-26 08:25:25,686 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 188 places, 210 transitions, 3072 flow [2021-03-26 08:25:25,687 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 188 places, 210 transitions, 3072 flow [2021-03-26 08:25:26,399 INFO L129 PetriNetUnfolder]: 3774/6864 cut-off events. [2021-03-26 08:25:26,399 INFO L130 PetriNetUnfolder]: For 26694/26822 co-relation queries the response was YES. [2021-03-26 08:25:26,434 INFO L84 FinitePrefix]: Finished finitePrefix Result has 19028 conditions, 6864 events. 3774/6864 cut-off events. For 26694/26822 co-relation queries the response was YES. Maximal size of possible extension queue 538. Compared 52601 event pairs, 57 based on Foata normal form. 48/4714 useless extension candidates. Maximal degree in co-relation 18874. Up to 1696 conditions per place. [2021-03-26 08:25:26,483 INFO L142 LiptonReduction]: Number of co-enabled transitions 2748 [2021-03-26 08:25:26,490 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 08:25:26,490 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 08:25:26,491 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 805 [2021-03-26 08:25:26,491 INFO L480 AbstractCegarLoop]: Abstraction has has 188 places, 210 transitions, 3072 flow [2021-03-26 08:25:26,491 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 182.75) internal successors, (1462), 8 states have internal predecessors, (1462), 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) [2021-03-26 08:25:26,491 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 08:25:26,491 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 08:25:26,491 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2021-03-26 08:25:26,491 INFO L428 AbstractCegarLoop]: === Iteration 25 === [thread0Err6INUSE_VIOLATION, thread0Err0INUSE_VIOLATION, thread0Thread1of1ForFork4Err1INUSE_VIOLATION, thread0Thread1of1ForFork4Err4INUSE_VIOLATION, ULTIMATE.startErr7INUSE_VIOLATION, thread0Thread1of1ForFork4Err5INUSE_VIOLATION, thread0Thread1of1ForFork4Err10INUSE_VIOLATION, thread0Err9INUSE_VIOLATION, thread0Err3INUSE_VIOLATION, thread0Err8INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, thread0Thread1of1ForFork4Err2INUSE_VIOLATION]=== [2021-03-26 08:25:26,492 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 08:25:26,492 INFO L82 PathProgramCache]: Analyzing trace with hash -710361757, now seen corresponding path program 3 times [2021-03-26 08:25:26,492 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 08:25:26,492 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [378827576] [2021-03-26 08:25:26,492 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 08:25:26,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 08:25:26,518 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:25:26,519 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 08:25:26,525 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:25:26,525 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 08:25:26,538 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:25:26,538 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-26 08:25:26,551 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:25:26,552 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-26 08:25:26,563 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:25:26,564 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 08:25:26,570 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:25:26,570 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 08:25:26,577 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:25:26,577 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-26 08:25:26,582 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:25:26,582 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:25:26,583 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 08:25:26,583 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [378827576] [2021-03-26 08:25:26,583 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 08:25:26,583 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 08:25:26,583 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1152052558] [2021-03-26 08:25:26,583 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-26 08:25:26,583 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 08:25:26,583 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-26 08:25:26,583 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2021-03-26 08:25:26,584 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 180 out of 330 [2021-03-26 08:25:26,585 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 188 places, 210 transitions, 3072 flow. Second operand has 9 states, 9 states have (on average 181.55555555555554) internal successors, (1634), 9 states have internal predecessors, (1634), 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) [2021-03-26 08:25:26,585 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 08:25:26,585 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 180 of 330 [2021-03-26 08:25:26,585 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 08:25:29,066 INFO L129 PetriNetUnfolder]: 12995/18656 cut-off events. [2021-03-26 08:25:29,067 INFO L130 PetriNetUnfolder]: For 177993/178658 co-relation queries the response was YES. [2021-03-26 08:25:29,163 INFO L84 FinitePrefix]: Finished finitePrefix Result has 84256 conditions, 18656 events. 12995/18656 cut-off events. For 177993/178658 co-relation queries the response was YES. Maximal size of possible extension queue 950. Compared 111597 event pairs, 2760 based on Foata normal form. 186/14151 useless extension candidates. Maximal degree in co-relation 83728. Up to 10312 conditions per place. [2021-03-26 08:25:29,219 INFO L132 encePairwiseOnDemand]: 318/330 looper letters, 165 selfloop transitions, 57 changer transitions 0/267 dead transitions. [2021-03-26 08:25:29,219 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 199 places, 267 transitions, 4285 flow [2021-03-26 08:25:29,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-26 08:25:29,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-03-26 08:25:29,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 2247 transitions. [2021-03-26 08:25:29,221 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5674242424242424 [2021-03-26 08:25:29,221 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 2247 transitions. [2021-03-26 08:25:29,221 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 2247 transitions. [2021-03-26 08:25:29,221 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 08:25:29,221 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 2247 transitions. [2021-03-26 08:25:29,223 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 187.25) internal successors, (2247), 12 states have internal predecessors, (2247), 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) [2021-03-26 08:25:29,226 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 330.0) internal successors, (4290), 13 states have internal predecessors, (4290), 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) [2021-03-26 08:25:29,226 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 330.0) internal successors, (4290), 13 states have internal predecessors, (4290), 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) [2021-03-26 08:25:29,226 INFO L185 Difference]: Start difference. First operand has 188 places, 210 transitions, 3072 flow. Second operand 12 states and 2247 transitions. [2021-03-26 08:25:29,226 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 199 places, 267 transitions, 4285 flow [2021-03-26 08:25:29,498 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 191 places, 267 transitions, 4220 flow, removed 4 selfloop flow, removed 8 redundant places. [2021-03-26 08:25:29,502 INFO L241 Difference]: Finished difference. Result has 193 places, 217 transitions, 3300 flow [2021-03-26 08:25:29,502 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=330, PETRI_DIFFERENCE_MINUEND_FLOW=3009, PETRI_DIFFERENCE_MINUEND_PLACES=180, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=210, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=50, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=159, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=3300, PETRI_PLACES=193, PETRI_TRANSITIONS=217} [2021-03-26 08:25:29,502 INFO L343 CegarLoopForPetriNet]: 63 programPoint places, 130 predicate places. [2021-03-26 08:25:29,502 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 08:25:29,503 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 193 places, 217 transitions, 3300 flow [2021-03-26 08:25:29,503 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 193 places, 217 transitions, 3300 flow [2021-03-26 08:25:29,504 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 193 places, 217 transitions, 3300 flow [2021-03-26 08:25:29,970 INFO L129 PetriNetUnfolder]: 3728/6790 cut-off events. [2021-03-26 08:25:29,970 INFO L130 PetriNetUnfolder]: For 26773/26921 co-relation queries the response was YES. [2021-03-26 08:25:30,017 INFO L84 FinitePrefix]: Finished finitePrefix Result has 18680 conditions, 6790 events. 3728/6790 cut-off events. For 26773/26921 co-relation queries the response was YES. Maximal size of possible extension queue 530. Compared 52272 event pairs, 93 based on Foata normal form. 76/4688 useless extension candidates. Maximal degree in co-relation 18530. Up to 1696 conditions per place. [2021-03-26 08:25:30,293 INFO L142 LiptonReduction]: Number of co-enabled transitions 2696 [2021-03-26 08:25:30,300 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 08:25:30,300 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 08:25:30,300 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 798 [2021-03-26 08:25:30,301 INFO L480 AbstractCegarLoop]: Abstraction has has 193 places, 217 transitions, 3300 flow [2021-03-26 08:25:30,301 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 181.55555555555554) internal successors, (1634), 9 states have internal predecessors, (1634), 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) [2021-03-26 08:25:30,301 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 08:25:30,301 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 08:25:30,301 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2021-03-26 08:25:30,301 INFO L428 AbstractCegarLoop]: === Iteration 26 === [thread0Err6INUSE_VIOLATION, thread0Err0INUSE_VIOLATION, thread0Thread1of1ForFork4Err1INUSE_VIOLATION, thread0Thread1of1ForFork4Err4INUSE_VIOLATION, ULTIMATE.startErr7INUSE_VIOLATION, thread0Thread1of1ForFork4Err5INUSE_VIOLATION, thread0Thread1of1ForFork4Err10INUSE_VIOLATION, thread0Err9INUSE_VIOLATION, thread0Err3INUSE_VIOLATION, thread0Err8INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, thread0Thread1of1ForFork4Err2INUSE_VIOLATION]=== [2021-03-26 08:25:30,302 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 08:25:30,302 INFO L82 PathProgramCache]: Analyzing trace with hash 730801183, now seen corresponding path program 1 times [2021-03-26 08:25:30,302 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 08:25:30,302 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [180510143] [2021-03-26 08:25:30,302 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 08:25:30,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 08:25:30,321 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:25:30,321 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:25:30,324 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:25:30,324 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 08:25:30,329 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:25:30,329 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 08:25:30,334 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:25:30,334 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-26 08:25:30,341 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:25:30,341 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 08:25:30,347 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:25:30,348 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 08:25:30,353 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:25:30,357 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-26 08:25:30,362 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 08:25:30,362 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [180510143] [2021-03-26 08:25:30,363 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 08:25:30,363 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 08:25:30,363 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [370898960] [2021-03-26 08:25:30,363 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 08:25:30,363 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 08:25:30,364 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 08:25:30,364 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2021-03-26 08:25:30,365 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 210 out of 330 [2021-03-26 08:25:30,366 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 193 places, 217 transitions, 3300 flow. Second operand has 8 states, 8 states have (on average 211.625) internal successors, (1693), 8 states have internal predecessors, (1693), 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) [2021-03-26 08:25:30,366 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 08:25:30,366 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 210 of 330 [2021-03-26 08:25:30,366 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 08:25:31,998 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([462] L1163-2-->L1164-2: Formula: (and (= |v_ULTIMATE.start_main_#t~mem19_19| (select (select |v_#memory_int_124| v_~v~0.base_42) v_~v~0.offset_42)) (= (ite (= 88 |v_ULTIMATE.start_main_#t~mem19_19|) 1 0) |v_ULTIMATE.start___VERIFIER_assert_#in~expression_9|)) InVars {~v~0.offset=v_~v~0.offset_42, #memory_int=|v_#memory_int_124|, ~v~0.base=v_~v~0.base_42} OutVars{~v~0.offset=v_~v~0.offset_42, ULTIMATE.start_main_#t~mem19=|v_ULTIMATE.start_main_#t~mem19_19|, #memory_int=|v_#memory_int_124|, ULTIMATE.start_main_#t~mem18=|v_ULTIMATE.start_main_#t~mem18_36|, ~v~0.base=v_~v~0.base_42, ULTIMATE.start___VERIFIER_assert_#in~expression=|v_ULTIMATE.start___VERIFIER_assert_#in~expression_9|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~mem19, ULTIMATE.start_main_#t~mem18, ULTIMATE.start___VERIFIER_assert_#in~expression][158], [Black: 380#(and (not (= ~v~0.base |thread0Thread1of1ForFork4_~#t4~0.base|)) (<= (+ |#StackHeapBarrier| 1) |thread0Thread1of1ForFork4_~#t4~0.base|) (not (= |ULTIMATE.start___VERIFIER_assert_#in~expression| 0))), Black: 634#(= |ULTIMATE.start_main_#t~mem18| 5), Black: 262#(and (= 88 (select (select (store |#memory_int| |thread0Thread1of1ForFork4_~#t3~0.base| (store (select |#memory_int| |thread0Thread1of1ForFork4_~#t3~0.base|) |thread0Thread1of1ForFork4_~#t3~0.offset| 2)) ~v~0.base) ~v~0.offset)) (not (= |thread0Thread1of1ForFork4_~#t3~0.base| ~v~0.base)) (<= (+ |#StackHeapBarrier| 1) |thread0Thread1of1ForFork4_~#t3~0.base|)), Black: 515#(and (or (= (select (select |#memory_int| |ULTIMATE.start_main_~#t~0.base|) |ULTIMATE.start_main_~#t~0.offset|) 5) (and (= ~v~0.base |ULTIMATE.start_main_~#t~0.base|) (= (select (select |#memory_int| |ULTIMATE.start_main_~#t~0.base|) |ULTIMATE.start_main_~#t~0.offset|) 88))) (or (= ~v~0.base |ULTIMATE.start_main_~#t~0.base|) (not (= |thread0Thread1of1ForFork4_~#t3~0.base| |ULTIMATE.start_main_~#t~0.base|))) (not (= |thread0Thread1of1ForFork4_~#t2~0.base| |ULTIMATE.start_main_~#t~0.base|)) (or (not (= ~v~0.base |ULTIMATE.start_main_~#t~0.base|)) (= ~v~0.offset |ULTIMATE.start_main_~#t~0.offset|))), Black: 519#(and (not (= (select (select |#memory_int| |ULTIMATE.start_main_~#t~0.base|) |ULTIMATE.start_main_~#t~0.offset|) thread3Thread1of1ForFork0_thidvar0)) (or (= (select (select |#memory_int| |ULTIMATE.start_main_~#t~0.base|) |ULTIMATE.start_main_~#t~0.offset|) 5) (and (= ~v~0.base |ULTIMATE.start_main_~#t~0.base|) (= (select (select |#memory_int| |ULTIMATE.start_main_~#t~0.base|) |ULTIMATE.start_main_~#t~0.offset|) 88))) (or (= ~v~0.base |ULTIMATE.start_main_~#t~0.base|) (not (= |thread0Thread1of1ForFork4_~#t3~0.base| |ULTIMATE.start_main_~#t~0.base|))) (not (= |thread0Thread1of1ForFork4_~#t2~0.base| |ULTIMATE.start_main_~#t~0.base|)) (or (not (= ~v~0.base |ULTIMATE.start_main_~#t~0.base|)) (= ~v~0.offset |ULTIMATE.start_main_~#t~0.offset|))), Black: 647#(= |ULTIMATE.start_main_#t~mem18| 5), Black: 504#(and (or (= ~v~0.base |ULTIMATE.start_main_~#t~0.base|) (and (= 5 (select (select (store |#memory_int| |thread0Thread1of1ForFork4_~#t2~0.base| (store (select |#memory_int| |thread0Thread1of1ForFork4_~#t2~0.base|) |thread0Thread1of1ForFork4_~#t2~0.offset| 1)) |ULTIMATE.start_main_~#t~0.base|) |ULTIMATE.start_main_~#t~0.offset|)) (not (= |thread0Thread1of1ForFork4_~#t3~0.base| |ULTIMATE.start_main_~#t~0.base|)))) (not (= |thread0Thread1of1ForFork4_~#t2~0.base| |ULTIMATE.start_main_~#t~0.base|)) (or (not (= ~v~0.base |ULTIMATE.start_main_~#t~0.base|)) (= ~v~0.offset |ULTIMATE.start_main_~#t~0.offset|))), Black: 525#(and (or (= ~v~0.base |ULTIMATE.start_main_~#t~0.base|) (and (= 5 (select (select (store |#memory_int| |thread0Thread1of1ForFork4_~#t2~0.base| (store (select |#memory_int| |thread0Thread1of1ForFork4_~#t2~0.base|) |thread0Thread1of1ForFork4_~#t2~0.offset| 1)) |ULTIMATE.start_main_~#t~0.base|) |ULTIMATE.start_main_~#t~0.offset|)) (not (= |thread0Thread1of1ForFork4_~#t3~0.base| |ULTIMATE.start_main_~#t~0.base|)))) (not (= |ULTIMATE.start_main_#t~mem18| thread3Thread1of1ForFork0_thidvar0)) (not (= |thread0Thread1of1ForFork4_~#t2~0.base| |ULTIMATE.start_main_~#t~0.base|)) (or (not (= ~v~0.base |ULTIMATE.start_main_~#t~0.base|)) (= ~v~0.offset |ULTIMATE.start_main_~#t~0.offset|))), Black: 509#(not (= |ULTIMATE.start_main_#t~mem18| thread3Thread1of1ForFork0_thidvar0)), Black: 394#(not (= |ULTIMATE.start_main_#t~mem18| thread2Thread1of1ForFork5_thidvar0)), Black: 527#(and (or (= (select (select |#memory_int| |ULTIMATE.start_main_~#t~0.base|) |ULTIMATE.start_main_~#t~0.offset|) 5) (and (= ~v~0.base |ULTIMATE.start_main_~#t~0.base|) (= (select (select |#memory_int| |ULTIMATE.start_main_~#t~0.base|) |ULTIMATE.start_main_~#t~0.offset|) 88))) (not (= |ULTIMATE.start_main_#t~mem18| thread3Thread1of1ForFork0_thidvar0)) (or (= ~v~0.base |ULTIMATE.start_main_~#t~0.base|) (not (= |thread0Thread1of1ForFork4_~#t3~0.base| |ULTIMATE.start_main_~#t~0.base|))) (not (= |thread0Thread1of1ForFork4_~#t2~0.base| |ULTIMATE.start_main_~#t~0.base|)) (or (not (= ~v~0.base |ULTIMATE.start_main_~#t~0.base|)) (= ~v~0.offset |ULTIMATE.start_main_~#t~0.offset|))), 535#true, 157#L1155-1true, Black: 278#(= |ULTIMATE.start_main_#t~mem18| 5), Black: 287#(and (= |ULTIMATE.start_main_#t~mem18| 5) (not (= |ULTIMATE.start_main_#t~mem18| thread3Thread1of1ForFork0_thidvar0))), 291#true, Black: 419#(and (= 5 (select (select (store |#memory_int| |thread0Thread1of1ForFork4_~#t2~0.base| (store (select |#memory_int| |thread0Thread1of1ForFork4_~#t2~0.base|) |thread0Thread1of1ForFork4_~#t2~0.offset| 1)) |ULTIMATE.start_main_~#t~0.base|) |ULTIMATE.start_main_~#t~0.offset|)) (not (= |thread0Thread1of1ForFork4_~#t1~0.base| |ULTIMATE.start_main_~#t~0.base|)) (= |ULTIMATE.start_main_#t~mem18| 5) (not (= |thread0Thread1of1ForFork4_~#t2~0.base| |ULTIMATE.start_main_~#t~0.base|)) (= (select |#valid| |ULTIMATE.start_main_~#t~0.base|) 1)), Black: 679#(and (or (= |ULTIMATE.start_main_#t~mem18| 5) (= |ULTIMATE.start_main_#t~mem18| 1)) (not (= |ULTIMATE.start_main_#t~mem18| thread2Thread1of1ForFork1_thidvar0))), Black: 666#(or (= |ULTIMATE.start_main_#t~mem18| 5) (= |ULTIMATE.start_main_#t~mem18| 1)), Black: 423#(and (= |ULTIMATE.start_main_#t~mem18| 5) (not (= |ULTIMATE.start_main_#t~mem18| thread2Thread1of1ForFork5_thidvar0))), 683#true, 173#(= (select |#valid| |ULTIMATE.start_main_~#t~0.base|) 1), Black: 545#(not (= |ULTIMATE.start_main_#t~mem18| thread3Thread1of1ForFork0_thidvar0)), Black: 555#(and (not (= (select (select |#memory_int| |ULTIMATE.start_main_~#t~0.base|) |ULTIMATE.start_main_~#t~0.offset|) thread3Thread1of1ForFork0_thidvar0)) (or (not (= |ULTIMATE.start_main_~#t~0.base| |thread0Thread1of1ForFork4_~#t4~0.base|)) (= thread3Thread1of1ForFork0_thidvar0 2)) (not (= |thread0Thread1of1ForFork4_~#t1~0.base| |ULTIMATE.start_main_~#t~0.base|)) (or (and (not (= ~v~0.base |ULTIMATE.start_main_~#t~0.base|)) (= 5 (select (select (store |#memory_int| |thread0Thread1of1ForFork4_~#t2~0.base| (store (select |#memory_int| |thread0Thread1of1ForFork4_~#t2~0.base|) |thread0Thread1of1ForFork4_~#t2~0.offset| 1)) |ULTIMATE.start_main_~#t~0.base|) |ULTIMATE.start_main_~#t~0.offset|)) (not (= |thread0Thread1of1ForFork4_~#t3~0.base| |ULTIMATE.start_main_~#t~0.base|))) (= |ULTIMATE.start_main_~#t~0.base| |thread0Thread1of1ForFork4_~#t4~0.base|)) (or (<= (+ |#StackHeapBarrier| 1) |ULTIMATE.start_main_~#t~0.base|) (= |ULTIMATE.start_main_~#t~0.base| |thread0Thread1of1ForFork4_~#t4~0.base|)) (not (= |thread0Thread1of1ForFork4_~#t2~0.base| |ULTIMATE.start_main_~#t~0.base|)) (or (not (= |ULTIMATE.start_main_~#t~0.base| |thread0Thread1of1ForFork4_~#t4~0.base|)) (= |thread0Thread1of1ForFork4_~#t4~0.offset| |ULTIMATE.start_main_~#t~0.offset|))), Black: 557#(and (not (= (select (select |#memory_int| |ULTIMATE.start_main_~#t~0.base|) |ULTIMATE.start_main_~#t~0.offset|) thread3Thread1of1ForFork0_thidvar0)) (or (not (= |ULTIMATE.start_main_~#t~0.base| |thread0Thread1of1ForFork4_~#t4~0.base|)) (= thread3Thread1of1ForFork0_thidvar0 2)) (not (= |thread0Thread1of1ForFork4_~#t1~0.base| |ULTIMATE.start_main_~#t~0.base|)) (not (= |ULTIMATE.start_main_#t~mem18| thread3Thread1of1ForFork0_thidvar0)) (or (and (not (= ~v~0.base |ULTIMATE.start_main_~#t~0.base|)) (= 5 (select (select (store |#memory_int| |thread0Thread1of1ForFork4_~#t2~0.base| (store (select |#memory_int| |thread0Thread1of1ForFork4_~#t2~0.base|) |thread0Thread1of1ForFork4_~#t2~0.offset| 1)) |ULTIMATE.start_main_~#t~0.base|) |ULTIMATE.start_main_~#t~0.offset|)) (not (= |thread0Thread1of1ForFork4_~#t3~0.base| |ULTIMATE.start_main_~#t~0.base|))) (= |ULTIMATE.start_main_~#t~0.base| |thread0Thread1of1ForFork4_~#t4~0.base|)) (or (<= (+ |#StackHeapBarrier| 1) |ULTIMATE.start_main_~#t~0.base|) (= |ULTIMATE.start_main_~#t~0.base| |thread0Thread1of1ForFork4_~#t4~0.base|)) (not (= |thread0Thread1of1ForFork4_~#t2~0.base| |ULTIMATE.start_main_~#t~0.base|)) (or (not (= |ULTIMATE.start_main_~#t~0.base| |thread0Thread1of1ForFork4_~#t4~0.base|)) (= |thread0Thread1of1ForFork4_~#t4~0.offset| |ULTIMATE.start_main_~#t~0.offset|))), Black: 305#(and (= 5 (select (select (store |#memory_int| |thread0Thread1of1ForFork4_~#t2~0.base| (store (select |#memory_int| |thread0Thread1of1ForFork4_~#t2~0.base|) |thread0Thread1of1ForFork4_~#t2~0.offset| 1)) |ULTIMATE.start_main_~#t~0.base|) |ULTIMATE.start_main_~#t~0.offset|)) (not (= |thread0Thread1of1ForFork4_~#t1~0.base| |ULTIMATE.start_main_~#t~0.base|)) (= |ULTIMATE.start_main_#t~mem18| 5) (not (= |thread0Thread1of1ForFork4_~#t3~0.base| |ULTIMATE.start_main_~#t~0.base|)) (not (= |thread0Thread1of1ForFork4_~#t2~0.base| |ULTIMATE.start_main_~#t~0.base|)) (= (select |#valid| |ULTIMATE.start_main_~#t~0.base|) 1)), Black: 307#(and (= 5 (select (select (store |#memory_int| |thread0Thread1of1ForFork4_~#t2~0.base| (store (select |#memory_int| |thread0Thread1of1ForFork4_~#t2~0.base|) |thread0Thread1of1ForFork4_~#t2~0.offset| 1)) |ULTIMATE.start_main_~#t~0.base|) |ULTIMATE.start_main_~#t~0.offset|)) (not (= |thread0Thread1of1ForFork4_~#t1~0.base| |ULTIMATE.start_main_~#t~0.base|)) (= |ULTIMATE.start_main_#t~mem18| 5) (not (= |ULTIMATE.start_main_#t~mem18| thread3Thread1of1ForFork0_thidvar0)) (not (= |thread0Thread1of1ForFork4_~#t3~0.base| |ULTIMATE.start_main_~#t~0.base|)) (not (= |thread0Thread1of1ForFork4_~#t2~0.base| |ULTIMATE.start_main_~#t~0.base|)) (= (select |#valid| |ULTIMATE.start_main_~#t~0.base|) 1)), Black: 309#(and (= |ULTIMATE.start_main_#t~mem18| 5) (not (= |ULTIMATE.start_main_#t~mem18| thread3Thread1of1ForFork0_thidvar0))), Black: 298#(= |ULTIMATE.start_main_#t~mem18| 5), Black: 434#(not (= |ULTIMATE.start_main_#t~mem18| thread2Thread1of1ForFork5_thidvar0)), Black: 438#(and (= 5 (select (select (store |#memory_int| |thread0Thread1of1ForFork4_~#t2~0.base| (store (select |#memory_int| |thread0Thread1of1ForFork4_~#t2~0.base|) |thread0Thread1of1ForFork4_~#t2~0.offset| 1)) |ULTIMATE.start_main_~#t~0.base|) |ULTIMATE.start_main_~#t~0.offset|)) (not (= |thread0Thread1of1ForFork4_~#t1~0.base| |ULTIMATE.start_main_~#t~0.base|)) (not (= |thread0Thread1of1ForFork4_~#t2~0.base| |ULTIMATE.start_main_~#t~0.base|)) (= (select |#valid| |ULTIMATE.start_main_~#t~0.base|) 1) (not (= (select (select |#memory_int| |ULTIMATE.start_main_~#t~0.base|) |ULTIMATE.start_main_~#t~0.offset|) thread2Thread1of1ForFork5_thidvar0))), Black: 303#(and (= 5 (select (select (store |#memory_int| |thread0Thread1of1ForFork4_~#t2~0.base| (store (select |#memory_int| |thread0Thread1of1ForFork4_~#t2~0.base|) |thread0Thread1of1ForFork4_~#t2~0.offset| 1)) |ULTIMATE.start_main_~#t~0.base|) |ULTIMATE.start_main_~#t~0.offset|)) (not (= |thread0Thread1of1ForFork4_~#t1~0.base| |ULTIMATE.start_main_~#t~0.base|)) (not (= |thread0Thread1of1ForFork4_~#t3~0.base| |ULTIMATE.start_main_~#t~0.base|)) (not (= |thread0Thread1of1ForFork4_~#t2~0.base| |ULTIMATE.start_main_~#t~0.base|)) (= (select |#valid| |ULTIMATE.start_main_~#t~0.base|) 1)), 444#true, Black: 178#(not (= |ULTIMATE.start_main_#t~mem18| thread1Thread1of1ForFork3_thidvar0)), 575#(and (= 88 (select (select (store |#memory_int| |thread0Thread1of1ForFork4_~#t3~0.base| (store (select |#memory_int| |thread0Thread1of1ForFork4_~#t3~0.base|) |thread0Thread1of1ForFork4_~#t3~0.offset| 2)) ~v~0.base) ~v~0.offset)) (not (= |thread0Thread1of1ForFork4_~#t3~0.base| ~v~0.base)) (not (= ~v~0.base |thread0Thread1of1ForFork4_~#t4~0.base|)) (<= (+ |#StackHeapBarrier| 1) |thread0Thread1of1ForFork4_~#t3~0.base|) (<= (+ |#StackHeapBarrier| 1) |thread0Thread1of1ForFork4_~#t4~0.base|) (not (= |ULTIMATE.start___VERIFIER_assert_#in~expression| 0))), Black: 182#(and (not (= (select (select |#memory_int| |ULTIMATE.start_main_~#t~0.base|) |ULTIMATE.start_main_~#t~0.offset|) thread1Thread1of1ForFork3_thidvar0)) (= (select (select |#memory_int| |ULTIMATE.start_main_~#t~0.base|) |ULTIMATE.start_main_~#t~0.offset|) 5) (not (= |thread0Thread1of1ForFork4_~#t1~0.base| |ULTIMATE.start_main_~#t~0.base|)) (= (select |#valid| |ULTIMATE.start_main_~#t~0.base|) 1)), Black: 186#(and (not (= |ULTIMATE.start_main_#t~mem18| thread1Thread1of1ForFork3_thidvar0)) (= (select |#valid| |ULTIMATE.start_main_~#t~0.base|) 1)), Black: 577#(and (not (= |thread0Thread1of1ForFork4_~#t3~0.base| ~v~0.base)) (not (= ~v~0.base |thread0Thread1of1ForFork4_~#t4~0.base|)) (<= (+ |#StackHeapBarrier| 1) |thread0Thread1of1ForFork4_~#t3~0.base|) (<= (+ |#StackHeapBarrier| 1) |thread0Thread1of1ForFork4_~#t4~0.base|) (not (= |ULTIMATE.start___VERIFIER_assert_#in~expression| 0))), Black: 705#(and (or (= |ULTIMATE.start_main_#t~mem18| 2) (= |ULTIMATE.start_main_#t~mem18| 5)) (not (= |ULTIMATE.start_main_#t~mem18| thread2Thread1of1ForFork1_thidvar0))), Black: 690#(or (= |ULTIMATE.start_main_#t~mem18| 2) (= |ULTIMATE.start_main_#t~mem18| 5)), Black: 571#(and (not (= |thread0Thread1of1ForFork4_~#t3~0.base| ~v~0.base)) (not (= ~v~0.base |thread0Thread1of1ForFork4_~#t4~0.base|)) (<= (+ |#StackHeapBarrier| 1) |thread0Thread1of1ForFork4_~#t3~0.base|) (<= (+ |#StackHeapBarrier| 1) |thread0Thread1of1ForFork4_~#t4~0.base|)), Black: 573#(and (= 88 (select (select (store |#memory_int| |thread0Thread1of1ForFork4_~#t3~0.base| (store (select |#memory_int| |thread0Thread1of1ForFork4_~#t3~0.base|) |thread0Thread1of1ForFork4_~#t3~0.offset| 2)) ~v~0.base) ~v~0.offset)) (not (= |thread0Thread1of1ForFork4_~#t3~0.base| ~v~0.base)) (not (= ~v~0.base |thread0Thread1of1ForFork4_~#t4~0.base|)) (<= (+ |#StackHeapBarrier| 1) |thread0Thread1of1ForFork4_~#t3~0.base|) (<= (+ |#StackHeapBarrier| 1) |thread0Thread1of1ForFork4_~#t4~0.base|)), Black: 324#(not (= |ULTIMATE.start_main_#t~mem18| thread3Thread1of1ForFork0_thidvar0)), Black: 198#(= |ULTIMATE.start_main_#t~mem18| 5), Black: 328#(and (not (= (select (select |#memory_int| |ULTIMATE.start_main_~#t~0.base|) |ULTIMATE.start_main_~#t~0.offset|) thread3Thread1of1ForFork0_thidvar0)) (= 5 (select (select (store |#memory_int| |thread0Thread1of1ForFork4_~#t2~0.base| (store (select |#memory_int| |thread0Thread1of1ForFork4_~#t2~0.base|) |thread0Thread1of1ForFork4_~#t2~0.offset| 1)) |ULTIMATE.start_main_~#t~0.base|) |ULTIMATE.start_main_~#t~0.offset|)) (not (= |thread0Thread1of1ForFork4_~#t1~0.base| |ULTIMATE.start_main_~#t~0.base|)) (not (= |thread0Thread1of1ForFork4_~#t3~0.base| |ULTIMATE.start_main_~#t~0.base|)) (not (= |thread0Thread1of1ForFork4_~#t2~0.base| |ULTIMATE.start_main_~#t~0.base|)) (= (select |#valid| |ULTIMATE.start_main_~#t~0.base|) 1)), Black: 203#(and (not (= |ULTIMATE.start_main_#t~mem18| thread1Thread1of1ForFork3_thidvar0)) (= |ULTIMATE.start_main_#t~mem18| 5)), 722#(and (not (= |thread0Thread1of1ForFork4_~#t5~0.base| ~v~0.base)) (not (= ~v~0.base |thread0Thread1of1ForFork4_~#t4~0.base|)) (= (select |#valid| |thread0Thread1of1ForFork4_~#t5~0.base|) 1) (<= (+ |#StackHeapBarrier| 1) |thread0Thread1of1ForFork4_~#t4~0.base|) (not (= |ULTIMATE.start___VERIFIER_assert_#in~expression| 0)) (= 88 (select (select (store |#memory_int| |thread0Thread1of1ForFork4_~#t4~0.base| (store (select |#memory_int| |thread0Thread1of1ForFork4_~#t4~0.base|) |thread0Thread1of1ForFork4_~#t4~0.offset| 3)) ~v~0.base) ~v~0.offset))), Black: 466#(and (not (= |thread0Thread1of1ForFork4_~#t1~0.base| |ULTIMATE.start_main_~#t~0.base|)) (or (= ~v~0.base |ULTIMATE.start_main_~#t~0.base|) (not (= |thread0Thread1of1ForFork4_~#t3~0.base| |ULTIMATE.start_main_~#t~0.base|))) (or (= ~v~0.base |ULTIMATE.start_main_~#t~0.base|) (= 5 (select (select (store |#memory_int| |thread0Thread1of1ForFork4_~#t2~0.base| (store (select |#memory_int| |thread0Thread1of1ForFork4_~#t2~0.base|) |thread0Thread1of1ForFork4_~#t2~0.offset| 1)) |ULTIMATE.start_main_~#t~0.base|) |ULTIMATE.start_main_~#t~0.offset|))) (not (= |thread0Thread1of1ForFork4_~#t2~0.base| |ULTIMATE.start_main_~#t~0.base|)) (not (= (select (select |#memory_int| |ULTIMATE.start_main_~#t~0.base|) |ULTIMATE.start_main_~#t~0.offset|) thread2Thread1of1ForFork5_thidvar0)) (not (= |ULTIMATE.start_main_#t~mem18| thread2Thread1of1ForFork5_thidvar0)) (or (and (= thread2Thread1of1ForFork5_thidvar0 1) (= ~v~0.offset |ULTIMATE.start_main_~#t~0.offset|)) (not (= ~v~0.base |ULTIMATE.start_main_~#t~0.base|)))), 85#thread2ENTRYtrue, Black: 454#(not (= |ULTIMATE.start_main_#t~mem18| thread2Thread1of1ForFork5_thidvar0)), Black: 462#(and (not (= |thread0Thread1of1ForFork4_~#t1~0.base| |ULTIMATE.start_main_~#t~0.base|)) (or (= ~v~0.base |ULTIMATE.start_main_~#t~0.base|) (not (= |thread0Thread1of1ForFork4_~#t3~0.base| |ULTIMATE.start_main_~#t~0.base|))) (or (= ~v~0.base |ULTIMATE.start_main_~#t~0.base|) (= 5 (select (select (store |#memory_int| |thread0Thread1of1ForFork4_~#t2~0.base| (store (select |#memory_int| |thread0Thread1of1ForFork4_~#t2~0.base|) |thread0Thread1of1ForFork4_~#t2~0.offset| 1)) |ULTIMATE.start_main_~#t~0.base|) |ULTIMATE.start_main_~#t~0.offset|))) (not (= |thread0Thread1of1ForFork4_~#t2~0.base| |ULTIMATE.start_main_~#t~0.base|)) (not (= (select (select |#memory_int| |ULTIMATE.start_main_~#t~0.base|) |ULTIMATE.start_main_~#t~0.offset|) thread2Thread1of1ForFork5_thidvar0)) (or (and (= thread2Thread1of1ForFork5_thidvar0 1) (= ~v~0.offset |ULTIMATE.start_main_~#t~0.offset|)) (not (= ~v~0.base |ULTIMATE.start_main_~#t~0.base|)))), Black: 592#(not (= |ULTIMATE.start_main_#t~mem18| thread3Thread1of1ForFork0_thidvar0)), Black: 598#(and (<= (+ |#StackHeapBarrier| 1) |ULTIMATE.start_main_~#t~0.base|) (not (= (select (select |#memory_int| |ULTIMATE.start_main_~#t~0.base|) |ULTIMATE.start_main_~#t~0.offset|) thread3Thread1of1ForFork0_thidvar0)) (not (= ~v~0.base |ULTIMATE.start_main_~#t~0.base|)) (= 5 (select (select (store |#memory_int| |thread0Thread1of1ForFork4_~#t2~0.base| (store (select |#memory_int| |thread0Thread1of1ForFork4_~#t2~0.base|) |thread0Thread1of1ForFork4_~#t2~0.offset| 1)) |ULTIMATE.start_main_~#t~0.base|) |ULTIMATE.start_main_~#t~0.offset|)) (not (= |thread0Thread1of1ForFork4_~#t1~0.base| |ULTIMATE.start_main_~#t~0.base|)) (not (= |thread0Thread1of1ForFork4_~#t3~0.base| |ULTIMATE.start_main_~#t~0.base|)) (not (= |thread0Thread1of1ForFork4_~#t2~0.base| |ULTIMATE.start_main_~#t~0.base|)) (= (select |#valid| |ULTIMATE.start_main_~#t~0.base|) 1)), Black: 600#(and (<= (+ |#StackHeapBarrier| 1) |ULTIMATE.start_main_~#t~0.base|) (not (= (select (select |#memory_int| |ULTIMATE.start_main_~#t~0.base|) |ULTIMATE.start_main_~#t~0.offset|) thread3Thread1of1ForFork0_thidvar0)) (not (= ~v~0.base |ULTIMATE.start_main_~#t~0.base|)) (= 5 (select (select (store |#memory_int| |thread0Thread1of1ForFork4_~#t2~0.base| (store (select |#memory_int| |thread0Thread1of1ForFork4_~#t2~0.base|) |thread0Thread1of1ForFork4_~#t2~0.offset| 1)) |ULTIMATE.start_main_~#t~0.base|) |ULTIMATE.start_main_~#t~0.offset|)) (not (= |thread0Thread1of1ForFork4_~#t1~0.base| |ULTIMATE.start_main_~#t~0.base|)) (not (= |ULTIMATE.start_main_#t~mem18| thread3Thread1of1ForFork0_thidvar0)) (not (= |thread0Thread1of1ForFork4_~#t3~0.base| |ULTIMATE.start_main_~#t~0.base|)) (not (= |thread0Thread1of1ForFork4_~#t2~0.base| |ULTIMATE.start_main_~#t~0.base|)) (= (select |#valid| |ULTIMATE.start_main_~#t~0.base|) 1)), Black: 210#(and (= (select (select |#memory_int| |ULTIMATE.start_main_~#t~0.base|) |ULTIMATE.start_main_~#t~0.offset|) 5) (= (select |#valid| |ULTIMATE.start_main_~#t~0.base|) 1)), Black: 215#(and (= (select (select |#memory_int| |ULTIMATE.start_main_~#t~0.base|) |ULTIMATE.start_main_~#t~0.offset|) 5) (= |ULTIMATE.start_main_#t~mem18| 5) (= (select |#valid| |ULTIMATE.start_main_~#t~0.base|) 1)), Black: 219#(and (not (= |ULTIMATE.start_main_#t~mem18| thread1Thread1of1ForFork3_thidvar0)) (= |ULTIMATE.start_main_#t~mem18| 5)), Black: 224#true, Black: 226#(= 88 (select (select |#memory_int| ~v~0.base) ~v~0.offset)), Black: 353#(and (not (= thread3Thread1of1ForFork0_thidvar0 (select (select (store |#memory_int| ~v~0.base (store (select |#memory_int| ~v~0.base) ~v~0.offset 89)) |ULTIMATE.start_main_~#t~0.base|) |ULTIMATE.start_main_~#t~0.offset|))) (or (= ~v~0.base |ULTIMATE.start_main_~#t~0.base|) (and (= 5 (select (select (store |#memory_int| |thread0Thread1of1ForFork4_~#t2~0.base| (store (select |#memory_int| |thread0Thread1of1ForFork4_~#t2~0.base|) |thread0Thread1of1ForFork4_~#t2~0.offset| 1)) |ULTIMATE.start_main_~#t~0.base|) |ULTIMATE.start_main_~#t~0.offset|)) (not (= |thread0Thread1of1ForFork4_~#t3~0.base| |ULTIMATE.start_main_~#t~0.base|)))) (not (= |thread0Thread1of1ForFork4_~#t1~0.base| |ULTIMATE.start_main_~#t~0.base|)) (not (= |thread0Thread1of1ForFork4_~#t2~0.base| |ULTIMATE.start_main_~#t~0.base|)) (or (not (= ~v~0.base |ULTIMATE.start_main_~#t~0.base|)) (and (= thread3Thread1of1ForFork0_thidvar0 2) (= ~v~0.offset |ULTIMATE.start_main_~#t~0.offset|)))), Black: 227#(not (= |ULTIMATE.start___VERIFIER_assert_#in~expression| 0)), Black: 355#(and (not (= (select (select |#memory_int| |ULTIMATE.start_main_~#t~0.base|) |ULTIMATE.start_main_~#t~0.offset|) thread3Thread1of1ForFork0_thidvar0)) (or (= ~v~0.base |ULTIMATE.start_main_~#t~0.base|) (and (= 5 (select (select (store |#memory_int| |thread0Thread1of1ForFork4_~#t2~0.base| (store (select |#memory_int| |thread0Thread1of1ForFork4_~#t2~0.base|) |thread0Thread1of1ForFork4_~#t2~0.offset| 1)) |ULTIMATE.start_main_~#t~0.base|) |ULTIMATE.start_main_~#t~0.offset|)) (not (= |thread0Thread1of1ForFork4_~#t3~0.base| |ULTIMATE.start_main_~#t~0.base|)))) (not (= |thread0Thread1of1ForFork4_~#t1~0.base| |ULTIMATE.start_main_~#t~0.base|)) (not (= |thread0Thread1of1ForFork4_~#t2~0.base| |ULTIMATE.start_main_~#t~0.base|)) (or (not (= ~v~0.base |ULTIMATE.start_main_~#t~0.base|)) (and (= thread3Thread1of1ForFork0_thidvar0 2) (= ~v~0.offset |ULTIMATE.start_main_~#t~0.offset|)))), Black: 345#(not (= |ULTIMATE.start_main_#t~mem18| thread3Thread1of1ForFork0_thidvar0)), Black: 490#(and (<= (+ |#StackHeapBarrier| 1) |ULTIMATE.start_main_~#t~0.base|) (not (= ~v~0.base |ULTIMATE.start_main_~#t~0.base|)) (= 5 (select (select (store |#memory_int| |thread0Thread1of1ForFork4_~#t2~0.base| (store (select |#memory_int| |thread0Thread1of1ForFork4_~#t2~0.base|) |thread0Thread1of1ForFork4_~#t2~0.offset| 1)) |ULTIMATE.start_main_~#t~0.base|) |ULTIMATE.start_main_~#t~0.offset|)) (not (= |thread0Thread1of1ForFork4_~#t1~0.base| |ULTIMATE.start_main_~#t~0.base|)) (= |ULTIMATE.start_main_#t~mem18| 5) (not (= |thread0Thread1of1ForFork4_~#t3~0.base| |ULTIMATE.start_main_~#t~0.base|)) (not (= |thread0Thread1of1ForFork4_~#t2~0.base| |ULTIMATE.start_main_~#t~0.base|)) (= (select |#valid| |ULTIMATE.start_main_~#t~0.base|) 1)), Black: 492#(and (<= (+ |#StackHeapBarrier| 1) |ULTIMATE.start_main_~#t~0.base|) (not (= ~v~0.base |ULTIMATE.start_main_~#t~0.base|)) (= 5 (select (select (store |#memory_int| |thread0Thread1of1ForFork4_~#t2~0.base| (store (select |#memory_int| |thread0Thread1of1ForFork4_~#t2~0.base|) |thread0Thread1of1ForFork4_~#t2~0.offset| 1)) |ULTIMATE.start_main_~#t~0.base|) |ULTIMATE.start_main_~#t~0.offset|)) (not (= |thread0Thread1of1ForFork4_~#t1~0.base| |ULTIMATE.start_main_~#t~0.base|)) (= |ULTIMATE.start_main_#t~mem18| 5) (not (= |ULTIMATE.start_main_#t~mem18| thread3Thread1of1ForFork0_thidvar0)) (not (= |thread0Thread1of1ForFork4_~#t3~0.base| |ULTIMATE.start_main_~#t~0.base|)) (not (= |thread0Thread1of1ForFork4_~#t2~0.base| |ULTIMATE.start_main_~#t~0.base|)) (= (select |#valid| |ULTIMATE.start_main_~#t~0.base|) 1)), Black: 494#(and (= |ULTIMATE.start_main_#t~mem18| 5) (not (= |ULTIMATE.start_main_#t~mem18| thread3Thread1of1ForFork0_thidvar0))), Black: 627#(and (<= (+ |#StackHeapBarrier| 1) |ULTIMATE.start_main_~#t~0.base|) (not (= ~v~0.base |ULTIMATE.start_main_~#t~0.base|)) (or (= |ULTIMATE.start_main_~#t~0.base| |thread0Thread1of1ForFork4_~#t4~0.base|) (and (= 5 (select (select (store |#memory_int| |thread0Thread1of1ForFork4_~#t2~0.base| (store (select |#memory_int| |thread0Thread1of1ForFork4_~#t2~0.base|) |thread0Thread1of1ForFork4_~#t2~0.offset| 1)) |ULTIMATE.start_main_~#t~0.base|) |ULTIMATE.start_main_~#t~0.offset|)) (not (= |thread0Thread1of1ForFork4_~#t2~0.base| |ULTIMATE.start_main_~#t~0.base|)))) (or (not (= |ULTIMATE.start_main_~#t~0.base| |thread0Thread1of1ForFork4_~#t4~0.base|)) (= thread2Thread1of1ForFork5_thidvar0 1)) (not (= |thread0Thread1of1ForFork4_~#t1~0.base| |ULTIMATE.start_main_~#t~0.base|)) (or (= |ULTIMATE.start_main_~#t~0.base| |thread0Thread1of1ForFork4_~#t4~0.base|) (not (= |thread0Thread1of1ForFork4_~#t3~0.base| |ULTIMATE.start_main_~#t~0.base|))) (not (= (select (select |#memory_int| |ULTIMATE.start_main_~#t~0.base|) |ULTIMATE.start_main_~#t~0.offset|) thread2Thread1of1ForFork5_thidvar0)) (not (= |ULTIMATE.start_main_#t~mem18| thread2Thread1of1ForFork5_thidvar0)) (or (not (= |ULTIMATE.start_main_~#t~0.base| |thread0Thread1of1ForFork4_~#t4~0.base|)) (= |thread0Thread1of1ForFork4_~#t4~0.offset| |ULTIMATE.start_main_~#t~0.offset|))), Black: 615#(not (= |ULTIMATE.start_main_#t~mem18| thread2Thread1of1ForFork5_thidvar0)), 122#L1164-2true, Black: 248#(and (= |ULTIMATE.start_main_#t~mem18| 5) (not (= |ULTIMATE.start_main_#t~mem18| thread2Thread1of1ForFork5_thidvar0))), Black: 239#(= |ULTIMATE.start_main_#t~mem18| 5), Black: 374#(and (not (= ~v~0.base |thread0Thread1of1ForFork4_~#t4~0.base|)) (<= (+ |#StackHeapBarrier| 1) |thread0Thread1of1ForFork4_~#t4~0.base|)), Black: 376#(and (not (= ~v~0.base |thread0Thread1of1ForFork4_~#t4~0.base|)) (<= (+ |#StackHeapBarrier| 1) |thread0Thread1of1ForFork4_~#t4~0.base|) (= 88 (select (select (store |#memory_int| |thread0Thread1of1ForFork4_~#t4~0.base| (store (select |#memory_int| |thread0Thread1of1ForFork4_~#t4~0.base|) |thread0Thread1of1ForFork4_~#t4~0.offset| 3)) ~v~0.base) ~v~0.offset)))]) [2021-03-26 08:25:31,999 INFO L384 tUnfolder$Statistics]: this new event has 26 ancestors and is cut-off event [2021-03-26 08:25:31,999 INFO L387 tUnfolder$Statistics]: existing Event has 26 ancestors and is cut-off event [2021-03-26 08:25:31,999 INFO L387 tUnfolder$Statistics]: existing Event has 26 ancestors and is cut-off event [2021-03-26 08:25:31,999 INFO L387 tUnfolder$Statistics]: existing Event has 26 ancestors and is cut-off event [2021-03-26 08:25:31,999 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([462] L1163-2-->L1164-2: Formula: (and (= |v_ULTIMATE.start_main_#t~mem19_19| (select (select |v_#memory_int_124| v_~v~0.base_42) v_~v~0.offset_42)) (= (ite (= 88 |v_ULTIMATE.start_main_#t~mem19_19|) 1 0) |v_ULTIMATE.start___VERIFIER_assert_#in~expression_9|)) InVars {~v~0.offset=v_~v~0.offset_42, #memory_int=|v_#memory_int_124|, ~v~0.base=v_~v~0.base_42} OutVars{~v~0.offset=v_~v~0.offset_42, ULTIMATE.start_main_#t~mem19=|v_ULTIMATE.start_main_#t~mem19_19|, #memory_int=|v_#memory_int_124|, ULTIMATE.start_main_#t~mem18=|v_ULTIMATE.start_main_#t~mem18_36|, ~v~0.base=v_~v~0.base_42, ULTIMATE.start___VERIFIER_assert_#in~expression=|v_ULTIMATE.start___VERIFIER_assert_#in~expression_9|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~mem19, ULTIMATE.start_main_#t~mem18, ULTIMATE.start___VERIFIER_assert_#in~expression][158], [Black: 380#(and (not (= ~v~0.base |thread0Thread1of1ForFork4_~#t4~0.base|)) (<= (+ |#StackHeapBarrier| 1) |thread0Thread1of1ForFork4_~#t4~0.base|) (not (= |ULTIMATE.start___VERIFIER_assert_#in~expression| 0))), Black: 634#(= |ULTIMATE.start_main_#t~mem18| 5), Black: 262#(and (= 88 (select (select (store |#memory_int| |thread0Thread1of1ForFork4_~#t3~0.base| (store (select |#memory_int| |thread0Thread1of1ForFork4_~#t3~0.base|) |thread0Thread1of1ForFork4_~#t3~0.offset| 2)) ~v~0.base) ~v~0.offset)) (not (= |thread0Thread1of1ForFork4_~#t3~0.base| ~v~0.base)) (<= (+ |#StackHeapBarrier| 1) |thread0Thread1of1ForFork4_~#t3~0.base|)), Black: 515#(and (or (= (select (select |#memory_int| |ULTIMATE.start_main_~#t~0.base|) |ULTIMATE.start_main_~#t~0.offset|) 5) (and (= ~v~0.base |ULTIMATE.start_main_~#t~0.base|) (= (select (select |#memory_int| |ULTIMATE.start_main_~#t~0.base|) |ULTIMATE.start_main_~#t~0.offset|) 88))) (or (= ~v~0.base |ULTIMATE.start_main_~#t~0.base|) (not (= |thread0Thread1of1ForFork4_~#t3~0.base| |ULTIMATE.start_main_~#t~0.base|))) (not (= |thread0Thread1of1ForFork4_~#t2~0.base| |ULTIMATE.start_main_~#t~0.base|)) (or (not (= ~v~0.base |ULTIMATE.start_main_~#t~0.base|)) (= ~v~0.offset |ULTIMATE.start_main_~#t~0.offset|))), Black: 519#(and (not (= (select (select |#memory_int| |ULTIMATE.start_main_~#t~0.base|) |ULTIMATE.start_main_~#t~0.offset|) thread3Thread1of1ForFork0_thidvar0)) (or (= (select (select |#memory_int| |ULTIMATE.start_main_~#t~0.base|) |ULTIMATE.start_main_~#t~0.offset|) 5) (and (= ~v~0.base |ULTIMATE.start_main_~#t~0.base|) (= (select (select |#memory_int| |ULTIMATE.start_main_~#t~0.base|) |ULTIMATE.start_main_~#t~0.offset|) 88))) (or (= ~v~0.base |ULTIMATE.start_main_~#t~0.base|) (not (= |thread0Thread1of1ForFork4_~#t3~0.base| |ULTIMATE.start_main_~#t~0.base|))) (not (= |thread0Thread1of1ForFork4_~#t2~0.base| |ULTIMATE.start_main_~#t~0.base|)) (or (not (= ~v~0.base |ULTIMATE.start_main_~#t~0.base|)) (= ~v~0.offset |ULTIMATE.start_main_~#t~0.offset|))), Black: 647#(= |ULTIMATE.start_main_#t~mem18| 5), Black: 504#(and (or (= ~v~0.base |ULTIMATE.start_main_~#t~0.base|) (and (= 5 (select (select (store |#memory_int| |thread0Thread1of1ForFork4_~#t2~0.base| (store (select |#memory_int| |thread0Thread1of1ForFork4_~#t2~0.base|) |thread0Thread1of1ForFork4_~#t2~0.offset| 1)) |ULTIMATE.start_main_~#t~0.base|) |ULTIMATE.start_main_~#t~0.offset|)) (not (= |thread0Thread1of1ForFork4_~#t3~0.base| |ULTIMATE.start_main_~#t~0.base|)))) (not (= |thread0Thread1of1ForFork4_~#t2~0.base| |ULTIMATE.start_main_~#t~0.base|)) (or (not (= ~v~0.base |ULTIMATE.start_main_~#t~0.base|)) (= ~v~0.offset |ULTIMATE.start_main_~#t~0.offset|))), Black: 525#(and (or (= ~v~0.base |ULTIMATE.start_main_~#t~0.base|) (and (= 5 (select (select (store |#memory_int| |thread0Thread1of1ForFork4_~#t2~0.base| (store (select |#memory_int| |thread0Thread1of1ForFork4_~#t2~0.base|) |thread0Thread1of1ForFork4_~#t2~0.offset| 1)) |ULTIMATE.start_main_~#t~0.base|) |ULTIMATE.start_main_~#t~0.offset|)) (not (= |thread0Thread1of1ForFork4_~#t3~0.base| |ULTIMATE.start_main_~#t~0.base|)))) (not (= |ULTIMATE.start_main_#t~mem18| thread3Thread1of1ForFork0_thidvar0)) (not (= |thread0Thread1of1ForFork4_~#t2~0.base| |ULTIMATE.start_main_~#t~0.base|)) (or (not (= ~v~0.base |ULTIMATE.start_main_~#t~0.base|)) (= ~v~0.offset |ULTIMATE.start_main_~#t~0.offset|))), Black: 509#(not (= |ULTIMATE.start_main_#t~mem18| thread3Thread1of1ForFork0_thidvar0)), Black: 394#(not (= |ULTIMATE.start_main_#t~mem18| thread2Thread1of1ForFork5_thidvar0)), Black: 527#(and (or (= (select (select |#memory_int| |ULTIMATE.start_main_~#t~0.base|) |ULTIMATE.start_main_~#t~0.offset|) 5) (and (= ~v~0.base |ULTIMATE.start_main_~#t~0.base|) (= (select (select |#memory_int| |ULTIMATE.start_main_~#t~0.base|) |ULTIMATE.start_main_~#t~0.offset|) 88))) (not (= |ULTIMATE.start_main_#t~mem18| thread3Thread1of1ForFork0_thidvar0)) (or (= ~v~0.base |ULTIMATE.start_main_~#t~0.base|) (not (= |thread0Thread1of1ForFork4_~#t3~0.base| |ULTIMATE.start_main_~#t~0.base|))) (not (= |thread0Thread1of1ForFork4_~#t2~0.base| |ULTIMATE.start_main_~#t~0.base|)) (or (not (= ~v~0.base |ULTIMATE.start_main_~#t~0.base|)) (= ~v~0.offset |ULTIMATE.start_main_~#t~0.offset|))), 535#true, 157#L1155-1true, Black: 278#(= |ULTIMATE.start_main_#t~mem18| 5), Black: 287#(and (= |ULTIMATE.start_main_#t~mem18| 5) (not (= |ULTIMATE.start_main_#t~mem18| thread3Thread1of1ForFork0_thidvar0))), 291#true, Black: 419#(and (= 5 (select (select (store |#memory_int| |thread0Thread1of1ForFork4_~#t2~0.base| (store (select |#memory_int| |thread0Thread1of1ForFork4_~#t2~0.base|) |thread0Thread1of1ForFork4_~#t2~0.offset| 1)) |ULTIMATE.start_main_~#t~0.base|) |ULTIMATE.start_main_~#t~0.offset|)) (not (= |thread0Thread1of1ForFork4_~#t1~0.base| |ULTIMATE.start_main_~#t~0.base|)) (= |ULTIMATE.start_main_#t~mem18| 5) (not (= |thread0Thread1of1ForFork4_~#t2~0.base| |ULTIMATE.start_main_~#t~0.base|)) (= (select |#valid| |ULTIMATE.start_main_~#t~0.base|) 1)), Black: 679#(and (or (= |ULTIMATE.start_main_#t~mem18| 5) (= |ULTIMATE.start_main_#t~mem18| 1)) (not (= |ULTIMATE.start_main_#t~mem18| thread2Thread1of1ForFork1_thidvar0))), Black: 666#(or (= |ULTIMATE.start_main_#t~mem18| 5) (= |ULTIMATE.start_main_#t~mem18| 1)), Black: 423#(and (= |ULTIMATE.start_main_#t~mem18| 5) (not (= |ULTIMATE.start_main_#t~mem18| thread2Thread1of1ForFork5_thidvar0))), 683#true, 173#(= (select |#valid| |ULTIMATE.start_main_~#t~0.base|) 1), Black: 545#(not (= |ULTIMATE.start_main_#t~mem18| thread3Thread1of1ForFork0_thidvar0)), Black: 555#(and (not (= (select (select |#memory_int| |ULTIMATE.start_main_~#t~0.base|) |ULTIMATE.start_main_~#t~0.offset|) thread3Thread1of1ForFork0_thidvar0)) (or (not (= |ULTIMATE.start_main_~#t~0.base| |thread0Thread1of1ForFork4_~#t4~0.base|)) (= thread3Thread1of1ForFork0_thidvar0 2)) (not (= |thread0Thread1of1ForFork4_~#t1~0.base| |ULTIMATE.start_main_~#t~0.base|)) (or (and (not (= ~v~0.base |ULTIMATE.start_main_~#t~0.base|)) (= 5 (select (select (store |#memory_int| |thread0Thread1of1ForFork4_~#t2~0.base| (store (select |#memory_int| |thread0Thread1of1ForFork4_~#t2~0.base|) |thread0Thread1of1ForFork4_~#t2~0.offset| 1)) |ULTIMATE.start_main_~#t~0.base|) |ULTIMATE.start_main_~#t~0.offset|)) (not (= |thread0Thread1of1ForFork4_~#t3~0.base| |ULTIMATE.start_main_~#t~0.base|))) (= |ULTIMATE.start_main_~#t~0.base| |thread0Thread1of1ForFork4_~#t4~0.base|)) (or (<= (+ |#StackHeapBarrier| 1) |ULTIMATE.start_main_~#t~0.base|) (= |ULTIMATE.start_main_~#t~0.base| |thread0Thread1of1ForFork4_~#t4~0.base|)) (not (= |thread0Thread1of1ForFork4_~#t2~0.base| |ULTIMATE.start_main_~#t~0.base|)) (or (not (= |ULTIMATE.start_main_~#t~0.base| |thread0Thread1of1ForFork4_~#t4~0.base|)) (= |thread0Thread1of1ForFork4_~#t4~0.offset| |ULTIMATE.start_main_~#t~0.offset|))), Black: 557#(and (not (= (select (select |#memory_int| |ULTIMATE.start_main_~#t~0.base|) |ULTIMATE.start_main_~#t~0.offset|) thread3Thread1of1ForFork0_thidvar0)) (or (not (= |ULTIMATE.start_main_~#t~0.base| |thread0Thread1of1ForFork4_~#t4~0.base|)) (= thread3Thread1of1ForFork0_thidvar0 2)) (not (= |thread0Thread1of1ForFork4_~#t1~0.base| |ULTIMATE.start_main_~#t~0.base|)) (not (= |ULTIMATE.start_main_#t~mem18| thread3Thread1of1ForFork0_thidvar0)) (or (and (not (= ~v~0.base |ULTIMATE.start_main_~#t~0.base|)) (= 5 (select (select (store |#memory_int| |thread0Thread1of1ForFork4_~#t2~0.base| (store (select |#memory_int| |thread0Thread1of1ForFork4_~#t2~0.base|) |thread0Thread1of1ForFork4_~#t2~0.offset| 1)) |ULTIMATE.start_main_~#t~0.base|) |ULTIMATE.start_main_~#t~0.offset|)) (not (= |thread0Thread1of1ForFork4_~#t3~0.base| |ULTIMATE.start_main_~#t~0.base|))) (= |ULTIMATE.start_main_~#t~0.base| |thread0Thread1of1ForFork4_~#t4~0.base|)) (or (<= (+ |#StackHeapBarrier| 1) |ULTIMATE.start_main_~#t~0.base|) (= |ULTIMATE.start_main_~#t~0.base| |thread0Thread1of1ForFork4_~#t4~0.base|)) (not (= |thread0Thread1of1ForFork4_~#t2~0.base| |ULTIMATE.start_main_~#t~0.base|)) (or (not (= |ULTIMATE.start_main_~#t~0.base| |thread0Thread1of1ForFork4_~#t4~0.base|)) (= |thread0Thread1of1ForFork4_~#t4~0.offset| |ULTIMATE.start_main_~#t~0.offset|))), Black: 305#(and (= 5 (select (select (store |#memory_int| |thread0Thread1of1ForFork4_~#t2~0.base| (store (select |#memory_int| |thread0Thread1of1ForFork4_~#t2~0.base|) |thread0Thread1of1ForFork4_~#t2~0.offset| 1)) |ULTIMATE.start_main_~#t~0.base|) |ULTIMATE.start_main_~#t~0.offset|)) (not (= |thread0Thread1of1ForFork4_~#t1~0.base| |ULTIMATE.start_main_~#t~0.base|)) (= |ULTIMATE.start_main_#t~mem18| 5) (not (= |thread0Thread1of1ForFork4_~#t3~0.base| |ULTIMATE.start_main_~#t~0.base|)) (not (= |thread0Thread1of1ForFork4_~#t2~0.base| |ULTIMATE.start_main_~#t~0.base|)) (= (select |#valid| |ULTIMATE.start_main_~#t~0.base|) 1)), Black: 307#(and (= 5 (select (select (store |#memory_int| |thread0Thread1of1ForFork4_~#t2~0.base| (store (select |#memory_int| |thread0Thread1of1ForFork4_~#t2~0.base|) |thread0Thread1of1ForFork4_~#t2~0.offset| 1)) |ULTIMATE.start_main_~#t~0.base|) |ULTIMATE.start_main_~#t~0.offset|)) (not (= |thread0Thread1of1ForFork4_~#t1~0.base| |ULTIMATE.start_main_~#t~0.base|)) (= |ULTIMATE.start_main_#t~mem18| 5) (not (= |ULTIMATE.start_main_#t~mem18| thread3Thread1of1ForFork0_thidvar0)) (not (= |thread0Thread1of1ForFork4_~#t3~0.base| |ULTIMATE.start_main_~#t~0.base|)) (not (= |thread0Thread1of1ForFork4_~#t2~0.base| |ULTIMATE.start_main_~#t~0.base|)) (= (select |#valid| |ULTIMATE.start_main_~#t~0.base|) 1)), Black: 309#(and (= |ULTIMATE.start_main_#t~mem18| 5) (not (= |ULTIMATE.start_main_#t~mem18| thread3Thread1of1ForFork0_thidvar0))), Black: 298#(= |ULTIMATE.start_main_#t~mem18| 5), Black: 434#(not (= |ULTIMATE.start_main_#t~mem18| thread2Thread1of1ForFork5_thidvar0)), Black: 438#(and (= 5 (select (select (store |#memory_int| |thread0Thread1of1ForFork4_~#t2~0.base| (store (select |#memory_int| |thread0Thread1of1ForFork4_~#t2~0.base|) |thread0Thread1of1ForFork4_~#t2~0.offset| 1)) |ULTIMATE.start_main_~#t~0.base|) |ULTIMATE.start_main_~#t~0.offset|)) (not (= |thread0Thread1of1ForFork4_~#t1~0.base| |ULTIMATE.start_main_~#t~0.base|)) (not (= |thread0Thread1of1ForFork4_~#t2~0.base| |ULTIMATE.start_main_~#t~0.base|)) (= (select |#valid| |ULTIMATE.start_main_~#t~0.base|) 1) (not (= (select (select |#memory_int| |ULTIMATE.start_main_~#t~0.base|) |ULTIMATE.start_main_~#t~0.offset|) thread2Thread1of1ForFork5_thidvar0))), Black: 303#(and (= 5 (select (select (store |#memory_int| |thread0Thread1of1ForFork4_~#t2~0.base| (store (select |#memory_int| |thread0Thread1of1ForFork4_~#t2~0.base|) |thread0Thread1of1ForFork4_~#t2~0.offset| 1)) |ULTIMATE.start_main_~#t~0.base|) |ULTIMATE.start_main_~#t~0.offset|)) (not (= |thread0Thread1of1ForFork4_~#t1~0.base| |ULTIMATE.start_main_~#t~0.base|)) (not (= |thread0Thread1of1ForFork4_~#t3~0.base| |ULTIMATE.start_main_~#t~0.base|)) (not (= |thread0Thread1of1ForFork4_~#t2~0.base| |ULTIMATE.start_main_~#t~0.base|)) (= (select |#valid| |ULTIMATE.start_main_~#t~0.base|) 1)), 444#true, Black: 178#(not (= |ULTIMATE.start_main_#t~mem18| thread1Thread1of1ForFork3_thidvar0)), Black: 182#(and (not (= (select (select |#memory_int| |ULTIMATE.start_main_~#t~0.base|) |ULTIMATE.start_main_~#t~0.offset|) thread1Thread1of1ForFork3_thidvar0)) (= (select (select |#memory_int| |ULTIMATE.start_main_~#t~0.base|) |ULTIMATE.start_main_~#t~0.offset|) 5) (not (= |thread0Thread1of1ForFork4_~#t1~0.base| |ULTIMATE.start_main_~#t~0.base|)) (= (select |#valid| |ULTIMATE.start_main_~#t~0.base|) 1)), 575#(and (= 88 (select (select (store |#memory_int| |thread0Thread1of1ForFork4_~#t3~0.base| (store (select |#memory_int| |thread0Thread1of1ForFork4_~#t3~0.base|) |thread0Thread1of1ForFork4_~#t3~0.offset| 2)) ~v~0.base) ~v~0.offset)) (not (= |thread0Thread1of1ForFork4_~#t3~0.base| ~v~0.base)) (not (= ~v~0.base |thread0Thread1of1ForFork4_~#t4~0.base|)) (<= (+ |#StackHeapBarrier| 1) |thread0Thread1of1ForFork4_~#t3~0.base|) (<= (+ |#StackHeapBarrier| 1) |thread0Thread1of1ForFork4_~#t4~0.base|) (not (= |ULTIMATE.start___VERIFIER_assert_#in~expression| 0))), Black: 186#(and (not (= |ULTIMATE.start_main_#t~mem18| thread1Thread1of1ForFork3_thidvar0)) (= (select |#valid| |ULTIMATE.start_main_~#t~0.base|) 1)), Black: 577#(and (not (= |thread0Thread1of1ForFork4_~#t3~0.base| ~v~0.base)) (not (= ~v~0.base |thread0Thread1of1ForFork4_~#t4~0.base|)) (<= (+ |#StackHeapBarrier| 1) |thread0Thread1of1ForFork4_~#t3~0.base|) (<= (+ |#StackHeapBarrier| 1) |thread0Thread1of1ForFork4_~#t4~0.base|) (not (= |ULTIMATE.start___VERIFIER_assert_#in~expression| 0))), Black: 705#(and (or (= |ULTIMATE.start_main_#t~mem18| 2) (= |ULTIMATE.start_main_#t~mem18| 5)) (not (= |ULTIMATE.start_main_#t~mem18| thread2Thread1of1ForFork1_thidvar0))), Black: 690#(or (= |ULTIMATE.start_main_#t~mem18| 2) (= |ULTIMATE.start_main_#t~mem18| 5)), Black: 571#(and (not (= |thread0Thread1of1ForFork4_~#t3~0.base| ~v~0.base)) (not (= ~v~0.base |thread0Thread1of1ForFork4_~#t4~0.base|)) (<= (+ |#StackHeapBarrier| 1) |thread0Thread1of1ForFork4_~#t3~0.base|) (<= (+ |#StackHeapBarrier| 1) |thread0Thread1of1ForFork4_~#t4~0.base|)), Black: 573#(and (= 88 (select (select (store |#memory_int| |thread0Thread1of1ForFork4_~#t3~0.base| (store (select |#memory_int| |thread0Thread1of1ForFork4_~#t3~0.base|) |thread0Thread1of1ForFork4_~#t3~0.offset| 2)) ~v~0.base) ~v~0.offset)) (not (= |thread0Thread1of1ForFork4_~#t3~0.base| ~v~0.base)) (not (= ~v~0.base |thread0Thread1of1ForFork4_~#t4~0.base|)) (<= (+ |#StackHeapBarrier| 1) |thread0Thread1of1ForFork4_~#t3~0.base|) (<= (+ |#StackHeapBarrier| 1) |thread0Thread1of1ForFork4_~#t4~0.base|)), 73#thread2ENTRYtrue, Black: 324#(not (= |ULTIMATE.start_main_#t~mem18| thread3Thread1of1ForFork0_thidvar0)), Black: 198#(= |ULTIMATE.start_main_#t~mem18| 5), Black: 328#(and (not (= (select (select |#memory_int| |ULTIMATE.start_main_~#t~0.base|) |ULTIMATE.start_main_~#t~0.offset|) thread3Thread1of1ForFork0_thidvar0)) (= 5 (select (select (store |#memory_int| |thread0Thread1of1ForFork4_~#t2~0.base| (store (select |#memory_int| |thread0Thread1of1ForFork4_~#t2~0.base|) |thread0Thread1of1ForFork4_~#t2~0.offset| 1)) |ULTIMATE.start_main_~#t~0.base|) |ULTIMATE.start_main_~#t~0.offset|)) (not (= |thread0Thread1of1ForFork4_~#t1~0.base| |ULTIMATE.start_main_~#t~0.base|)) (not (= |thread0Thread1of1ForFork4_~#t3~0.base| |ULTIMATE.start_main_~#t~0.base|)) (not (= |thread0Thread1of1ForFork4_~#t2~0.base| |ULTIMATE.start_main_~#t~0.base|)) (= (select |#valid| |ULTIMATE.start_main_~#t~0.base|) 1)), Black: 203#(and (not (= |ULTIMATE.start_main_#t~mem18| thread1Thread1of1ForFork3_thidvar0)) (= |ULTIMATE.start_main_#t~mem18| 5)), 722#(and (not (= |thread0Thread1of1ForFork4_~#t5~0.base| ~v~0.base)) (not (= ~v~0.base |thread0Thread1of1ForFork4_~#t4~0.base|)) (= (select |#valid| |thread0Thread1of1ForFork4_~#t5~0.base|) 1) (<= (+ |#StackHeapBarrier| 1) |thread0Thread1of1ForFork4_~#t4~0.base|) (not (= |ULTIMATE.start___VERIFIER_assert_#in~expression| 0)) (= 88 (select (select (store |#memory_int| |thread0Thread1of1ForFork4_~#t4~0.base| (store (select |#memory_int| |thread0Thread1of1ForFork4_~#t4~0.base|) |thread0Thread1of1ForFork4_~#t4~0.offset| 3)) ~v~0.base) ~v~0.offset))), Black: 466#(and (not (= |thread0Thread1of1ForFork4_~#t1~0.base| |ULTIMATE.start_main_~#t~0.base|)) (or (= ~v~0.base |ULTIMATE.start_main_~#t~0.base|) (not (= |thread0Thread1of1ForFork4_~#t3~0.base| |ULTIMATE.start_main_~#t~0.base|))) (or (= ~v~0.base |ULTIMATE.start_main_~#t~0.base|) (= 5 (select (select (store |#memory_int| |thread0Thread1of1ForFork4_~#t2~0.base| (store (select |#memory_int| |thread0Thread1of1ForFork4_~#t2~0.base|) |thread0Thread1of1ForFork4_~#t2~0.offset| 1)) |ULTIMATE.start_main_~#t~0.base|) |ULTIMATE.start_main_~#t~0.offset|))) (not (= |thread0Thread1of1ForFork4_~#t2~0.base| |ULTIMATE.start_main_~#t~0.base|)) (not (= (select (select |#memory_int| |ULTIMATE.start_main_~#t~0.base|) |ULTIMATE.start_main_~#t~0.offset|) thread2Thread1of1ForFork5_thidvar0)) (not (= |ULTIMATE.start_main_#t~mem18| thread2Thread1of1ForFork5_thidvar0)) (or (and (= thread2Thread1of1ForFork5_thidvar0 1) (= ~v~0.offset |ULTIMATE.start_main_~#t~0.offset|)) (not (= ~v~0.base |ULTIMATE.start_main_~#t~0.base|)))), Black: 454#(not (= |ULTIMATE.start_main_#t~mem18| thread2Thread1of1ForFork5_thidvar0)), Black: 462#(and (not (= |thread0Thread1of1ForFork4_~#t1~0.base| |ULTIMATE.start_main_~#t~0.base|)) (or (= ~v~0.base |ULTIMATE.start_main_~#t~0.base|) (not (= |thread0Thread1of1ForFork4_~#t3~0.base| |ULTIMATE.start_main_~#t~0.base|))) (or (= ~v~0.base |ULTIMATE.start_main_~#t~0.base|) (= 5 (select (select (store |#memory_int| |thread0Thread1of1ForFork4_~#t2~0.base| (store (select |#memory_int| |thread0Thread1of1ForFork4_~#t2~0.base|) |thread0Thread1of1ForFork4_~#t2~0.offset| 1)) |ULTIMATE.start_main_~#t~0.base|) |ULTIMATE.start_main_~#t~0.offset|))) (not (= |thread0Thread1of1ForFork4_~#t2~0.base| |ULTIMATE.start_main_~#t~0.base|)) (not (= (select (select |#memory_int| |ULTIMATE.start_main_~#t~0.base|) |ULTIMATE.start_main_~#t~0.offset|) thread2Thread1of1ForFork5_thidvar0)) (or (and (= thread2Thread1of1ForFork5_thidvar0 1) (= ~v~0.offset |ULTIMATE.start_main_~#t~0.offset|)) (not (= ~v~0.base |ULTIMATE.start_main_~#t~0.base|)))), Black: 592#(not (= |ULTIMATE.start_main_#t~mem18| thread3Thread1of1ForFork0_thidvar0)), Black: 598#(and (<= (+ |#StackHeapBarrier| 1) |ULTIMATE.start_main_~#t~0.base|) (not (= (select (select |#memory_int| |ULTIMATE.start_main_~#t~0.base|) |ULTIMATE.start_main_~#t~0.offset|) thread3Thread1of1ForFork0_thidvar0)) (not (= ~v~0.base |ULTIMATE.start_main_~#t~0.base|)) (= 5 (select (select (store |#memory_int| |thread0Thread1of1ForFork4_~#t2~0.base| (store (select |#memory_int| |thread0Thread1of1ForFork4_~#t2~0.base|) |thread0Thread1of1ForFork4_~#t2~0.offset| 1)) |ULTIMATE.start_main_~#t~0.base|) |ULTIMATE.start_main_~#t~0.offset|)) (not (= |thread0Thread1of1ForFork4_~#t1~0.base| |ULTIMATE.start_main_~#t~0.base|)) (not (= |thread0Thread1of1ForFork4_~#t3~0.base| |ULTIMATE.start_main_~#t~0.base|)) (not (= |thread0Thread1of1ForFork4_~#t2~0.base| |ULTIMATE.start_main_~#t~0.base|)) (= (select |#valid| |ULTIMATE.start_main_~#t~0.base|) 1)), Black: 600#(and (<= (+ |#StackHeapBarrier| 1) |ULTIMATE.start_main_~#t~0.base|) (not (= (select (select |#memory_int| |ULTIMATE.start_main_~#t~0.base|) |ULTIMATE.start_main_~#t~0.offset|) thread3Thread1of1ForFork0_thidvar0)) (not (= ~v~0.base |ULTIMATE.start_main_~#t~0.base|)) (= 5 (select (select (store |#memory_int| |thread0Thread1of1ForFork4_~#t2~0.base| (store (select |#memory_int| |thread0Thread1of1ForFork4_~#t2~0.base|) |thread0Thread1of1ForFork4_~#t2~0.offset| 1)) |ULTIMATE.start_main_~#t~0.base|) |ULTIMATE.start_main_~#t~0.offset|)) (not (= |thread0Thread1of1ForFork4_~#t1~0.base| |ULTIMATE.start_main_~#t~0.base|)) (not (= |ULTIMATE.start_main_#t~mem18| thread3Thread1of1ForFork0_thidvar0)) (not (= |thread0Thread1of1ForFork4_~#t3~0.base| |ULTIMATE.start_main_~#t~0.base|)) (not (= |thread0Thread1of1ForFork4_~#t2~0.base| |ULTIMATE.start_main_~#t~0.base|)) (= (select |#valid| |ULTIMATE.start_main_~#t~0.base|) 1)), Black: 210#(and (= (select (select |#memory_int| |ULTIMATE.start_main_~#t~0.base|) |ULTIMATE.start_main_~#t~0.offset|) 5) (= (select |#valid| |ULTIMATE.start_main_~#t~0.base|) 1)), Black: 215#(and (= (select (select |#memory_int| |ULTIMATE.start_main_~#t~0.base|) |ULTIMATE.start_main_~#t~0.offset|) 5) (= |ULTIMATE.start_main_#t~mem18| 5) (= (select |#valid| |ULTIMATE.start_main_~#t~0.base|) 1)), Black: 219#(and (not (= |ULTIMATE.start_main_#t~mem18| thread1Thread1of1ForFork3_thidvar0)) (= |ULTIMATE.start_main_#t~mem18| 5)), Black: 224#true, Black: 226#(= 88 (select (select |#memory_int| ~v~0.base) ~v~0.offset)), Black: 353#(and (not (= thread3Thread1of1ForFork0_thidvar0 (select (select (store |#memory_int| ~v~0.base (store (select |#memory_int| ~v~0.base) ~v~0.offset 89)) |ULTIMATE.start_main_~#t~0.base|) |ULTIMATE.start_main_~#t~0.offset|))) (or (= ~v~0.base |ULTIMATE.start_main_~#t~0.base|) (and (= 5 (select (select (store |#memory_int| |thread0Thread1of1ForFork4_~#t2~0.base| (store (select |#memory_int| |thread0Thread1of1ForFork4_~#t2~0.base|) |thread0Thread1of1ForFork4_~#t2~0.offset| 1)) |ULTIMATE.start_main_~#t~0.base|) |ULTIMATE.start_main_~#t~0.offset|)) (not (= |thread0Thread1of1ForFork4_~#t3~0.base| |ULTIMATE.start_main_~#t~0.base|)))) (not (= |thread0Thread1of1ForFork4_~#t1~0.base| |ULTIMATE.start_main_~#t~0.base|)) (not (= |thread0Thread1of1ForFork4_~#t2~0.base| |ULTIMATE.start_main_~#t~0.base|)) (or (not (= ~v~0.base |ULTIMATE.start_main_~#t~0.base|)) (and (= thread3Thread1of1ForFork0_thidvar0 2) (= ~v~0.offset |ULTIMATE.start_main_~#t~0.offset|)))), Black: 227#(not (= |ULTIMATE.start___VERIFIER_assert_#in~expression| 0)), Black: 355#(and (not (= (select (select |#memory_int| |ULTIMATE.start_main_~#t~0.base|) |ULTIMATE.start_main_~#t~0.offset|) thread3Thread1of1ForFork0_thidvar0)) (or (= ~v~0.base |ULTIMATE.start_main_~#t~0.base|) (and (= 5 (select (select (store |#memory_int| |thread0Thread1of1ForFork4_~#t2~0.base| (store (select |#memory_int| |thread0Thread1of1ForFork4_~#t2~0.base|) |thread0Thread1of1ForFork4_~#t2~0.offset| 1)) |ULTIMATE.start_main_~#t~0.base|) |ULTIMATE.start_main_~#t~0.offset|)) (not (= |thread0Thread1of1ForFork4_~#t3~0.base| |ULTIMATE.start_main_~#t~0.base|)))) (not (= |thread0Thread1of1ForFork4_~#t1~0.base| |ULTIMATE.start_main_~#t~0.base|)) (not (= |thread0Thread1of1ForFork4_~#t2~0.base| |ULTIMATE.start_main_~#t~0.base|)) (or (not (= ~v~0.base |ULTIMATE.start_main_~#t~0.base|)) (and (= thread3Thread1of1ForFork0_thidvar0 2) (= ~v~0.offset |ULTIMATE.start_main_~#t~0.offset|)))), Black: 345#(not (= |ULTIMATE.start_main_#t~mem18| thread3Thread1of1ForFork0_thidvar0)), Black: 490#(and (<= (+ |#StackHeapBarrier| 1) |ULTIMATE.start_main_~#t~0.base|) (not (= ~v~0.base |ULTIMATE.start_main_~#t~0.base|)) (= 5 (select (select (store |#memory_int| |thread0Thread1of1ForFork4_~#t2~0.base| (store (select |#memory_int| |thread0Thread1of1ForFork4_~#t2~0.base|) |thread0Thread1of1ForFork4_~#t2~0.offset| 1)) |ULTIMATE.start_main_~#t~0.base|) |ULTIMATE.start_main_~#t~0.offset|)) (not (= |thread0Thread1of1ForFork4_~#t1~0.base| |ULTIMATE.start_main_~#t~0.base|)) (= |ULTIMATE.start_main_#t~mem18| 5) (not (= |thread0Thread1of1ForFork4_~#t3~0.base| |ULTIMATE.start_main_~#t~0.base|)) (not (= |thread0Thread1of1ForFork4_~#t2~0.base| |ULTIMATE.start_main_~#t~0.base|)) (= (select |#valid| |ULTIMATE.start_main_~#t~0.base|) 1)), Black: 492#(and (<= (+ |#StackHeapBarrier| 1) |ULTIMATE.start_main_~#t~0.base|) (not (= ~v~0.base |ULTIMATE.start_main_~#t~0.base|)) (= 5 (select (select (store |#memory_int| |thread0Thread1of1ForFork4_~#t2~0.base| (store (select |#memory_int| |thread0Thread1of1ForFork4_~#t2~0.base|) |thread0Thread1of1ForFork4_~#t2~0.offset| 1)) |ULTIMATE.start_main_~#t~0.base|) |ULTIMATE.start_main_~#t~0.offset|)) (not (= |thread0Thread1of1ForFork4_~#t1~0.base| |ULTIMATE.start_main_~#t~0.base|)) (= |ULTIMATE.start_main_#t~mem18| 5) (not (= |ULTIMATE.start_main_#t~mem18| thread3Thread1of1ForFork0_thidvar0)) (not (= |thread0Thread1of1ForFork4_~#t3~0.base| |ULTIMATE.start_main_~#t~0.base|)) (not (= |thread0Thread1of1ForFork4_~#t2~0.base| |ULTIMATE.start_main_~#t~0.base|)) (= (select |#valid| |ULTIMATE.start_main_~#t~0.base|) 1)), Black: 494#(and (= |ULTIMATE.start_main_#t~mem18| 5) (not (= |ULTIMATE.start_main_#t~mem18| thread3Thread1of1ForFork0_thidvar0))), Black: 627#(and (<= (+ |#StackHeapBarrier| 1) |ULTIMATE.start_main_~#t~0.base|) (not (= ~v~0.base |ULTIMATE.start_main_~#t~0.base|)) (or (= |ULTIMATE.start_main_~#t~0.base| |thread0Thread1of1ForFork4_~#t4~0.base|) (and (= 5 (select (select (store |#memory_int| |thread0Thread1of1ForFork4_~#t2~0.base| (store (select |#memory_int| |thread0Thread1of1ForFork4_~#t2~0.base|) |thread0Thread1of1ForFork4_~#t2~0.offset| 1)) |ULTIMATE.start_main_~#t~0.base|) |ULTIMATE.start_main_~#t~0.offset|)) (not (= |thread0Thread1of1ForFork4_~#t2~0.base| |ULTIMATE.start_main_~#t~0.base|)))) (or (not (= |ULTIMATE.start_main_~#t~0.base| |thread0Thread1of1ForFork4_~#t4~0.base|)) (= thread2Thread1of1ForFork5_thidvar0 1)) (not (= |thread0Thread1of1ForFork4_~#t1~0.base| |ULTIMATE.start_main_~#t~0.base|)) (or (= |ULTIMATE.start_main_~#t~0.base| |thread0Thread1of1ForFork4_~#t4~0.base|) (not (= |thread0Thread1of1ForFork4_~#t3~0.base| |ULTIMATE.start_main_~#t~0.base|))) (not (= (select (select |#memory_int| |ULTIMATE.start_main_~#t~0.base|) |ULTIMATE.start_main_~#t~0.offset|) thread2Thread1of1ForFork5_thidvar0)) (not (= |ULTIMATE.start_main_#t~mem18| thread2Thread1of1ForFork5_thidvar0)) (or (not (= |ULTIMATE.start_main_~#t~0.base| |thread0Thread1of1ForFork4_~#t4~0.base|)) (= |thread0Thread1of1ForFork4_~#t4~0.offset| |ULTIMATE.start_main_~#t~0.offset|))), Black: 615#(not (= |ULTIMATE.start_main_#t~mem18| thread2Thread1of1ForFork5_thidvar0)), 122#L1164-2true, Black: 248#(and (= |ULTIMATE.start_main_#t~mem18| 5) (not (= |ULTIMATE.start_main_#t~mem18| thread2Thread1of1ForFork5_thidvar0))), Black: 239#(= |ULTIMATE.start_main_#t~mem18| 5), Black: 374#(and (not (= ~v~0.base |thread0Thread1of1ForFork4_~#t4~0.base|)) (<= (+ |#StackHeapBarrier| 1) |thread0Thread1of1ForFork4_~#t4~0.base|)), Black: 376#(and (not (= ~v~0.base |thread0Thread1of1ForFork4_~#t4~0.base|)) (<= (+ |#StackHeapBarrier| 1) |thread0Thread1of1ForFork4_~#t4~0.base|) (= 88 (select (select (store |#memory_int| |thread0Thread1of1ForFork4_~#t4~0.base| (store (select |#memory_int| |thread0Thread1of1ForFork4_~#t4~0.base|) |thread0Thread1of1ForFork4_~#t4~0.offset| 3)) ~v~0.base) ~v~0.offset)))]) [2021-03-26 08:25:32,000 INFO L384 tUnfolder$Statistics]: this new event has 26 ancestors and is cut-off event [2021-03-26 08:25:32,000 INFO L387 tUnfolder$Statistics]: existing Event has 26 ancestors and is cut-off event [2021-03-26 08:25:32,000 INFO L387 tUnfolder$Statistics]: existing Event has 26 ancestors and is cut-off event [2021-03-26 08:25:32,000 INFO L387 tUnfolder$Statistics]: existing Event has 26 ancestors and is cut-off event [2021-03-26 08:25:32,149 INFO L129 PetriNetUnfolder]: 9621/14987 cut-off events. [2021-03-26 08:25:32,149 INFO L130 PetriNetUnfolder]: For 146898/147830 co-relation queries the response was YES. [2021-03-26 08:25:32,275 INFO L84 FinitePrefix]: Finished finitePrefix Result has 67824 conditions, 14987 events. 9621/14987 cut-off events. For 146898/147830 co-relation queries the response was YES. Maximal size of possible extension queue 870. Compared 101939 event pairs, 543 based on Foata normal form. 596/12180 useless extension candidates. Maximal degree in co-relation 67414. Up to 4685 conditions per place. [2021-03-26 08:25:32,317 INFO L132 encePairwiseOnDemand]: 318/330 looper letters, 140 selfloop transitions, 73 changer transitions 16/295 dead transitions. [2021-03-26 08:25:32,318 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 201 places, 295 transitions, 4643 flow [2021-03-26 08:25:32,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-26 08:25:32,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-26 08:25:32,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 1971 transitions. [2021-03-26 08:25:32,320 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6636363636363637 [2021-03-26 08:25:32,320 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 1971 transitions. [2021-03-26 08:25:32,320 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 1971 transitions. [2021-03-26 08:25:32,320 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 08:25:32,320 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 1971 transitions. [2021-03-26 08:25:32,322 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 219.0) internal successors, (1971), 9 states have internal predecessors, (1971), 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) [2021-03-26 08:25:32,324 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 330.0) internal successors, (3300), 10 states have internal predecessors, (3300), 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) [2021-03-26 08:25:32,324 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 330.0) internal successors, (3300), 10 states have internal predecessors, (3300), 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) [2021-03-26 08:25:32,324 INFO L185 Difference]: Start difference. First operand has 193 places, 217 transitions, 3300 flow. Second operand 9 states and 1971 transitions. [2021-03-26 08:25:32,324 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 201 places, 295 transitions, 4643 flow [2021-03-26 08:25:32,595 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 196 places, 295 transitions, 4596 flow, removed 0 selfloop flow, removed 5 redundant places. [2021-03-26 08:25:32,599 INFO L241 Difference]: Finished difference. Result has 201 places, 233 transitions, 3773 flow [2021-03-26 08:25:32,599 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=330, PETRI_DIFFERENCE_MINUEND_FLOW=3257, PETRI_DIFFERENCE_MINUEND_PLACES=188, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=217, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=48, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=157, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=3773, PETRI_PLACES=201, PETRI_TRANSITIONS=233} [2021-03-26 08:25:32,599 INFO L343 CegarLoopForPetriNet]: 63 programPoint places, 138 predicate places. [2021-03-26 08:25:32,600 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 08:25:32,600 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 201 places, 233 transitions, 3773 flow [2021-03-26 08:25:32,600 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 201 places, 233 transitions, 3773 flow [2021-03-26 08:25:32,601 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 200 places, 233 transitions, 3773 flow [2021-03-26 08:25:33,378 INFO L129 PetriNetUnfolder]: 4156/7619 cut-off events. [2021-03-26 08:25:33,379 INFO L130 PetriNetUnfolder]: For 37985/38259 co-relation queries the response was YES. [2021-03-26 08:25:33,438 INFO L84 FinitePrefix]: Finished finitePrefix Result has 22322 conditions, 7619 events. 4156/7619 cut-off events. For 37985/38259 co-relation queries the response was YES. Maximal size of possible extension queue 641. Compared 60234 event pairs, 49 based on Foata normal form. 112/5298 useless extension candidates. Maximal degree in co-relation 21949. Up to 1936 conditions per place. [2021-03-26 08:25:33,510 INFO L142 LiptonReduction]: Number of co-enabled transitions 3414 [2021-03-26 08:25:33,522 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 08:25:33,523 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 08:25:33,523 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 923 [2021-03-26 08:25:33,523 INFO L480 AbstractCegarLoop]: Abstraction has has 200 places, 233 transitions, 3773 flow [2021-03-26 08:25:33,523 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 211.625) internal successors, (1693), 8 states have internal predecessors, (1693), 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) [2021-03-26 08:25:33,523 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 08:25:33,524 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 08:25:33,524 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2021-03-26 08:25:33,524 INFO L428 AbstractCegarLoop]: === Iteration 27 === [thread0Err6INUSE_VIOLATION, thread0Err0INUSE_VIOLATION, thread0Thread1of1ForFork4Err1INUSE_VIOLATION, thread0Thread1of1ForFork4Err4INUSE_VIOLATION, ULTIMATE.startErr7INUSE_VIOLATION, thread0Thread1of1ForFork4Err5INUSE_VIOLATION, thread0Thread1of1ForFork4Err10INUSE_VIOLATION, thread0Err9INUSE_VIOLATION, thread0Err3INUSE_VIOLATION, thread0Err8INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, thread0Thread1of1ForFork4Err2INUSE_VIOLATION]=== [2021-03-26 08:25:33,524 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 08:25:33,524 INFO L82 PathProgramCache]: Analyzing trace with hash 1677324299, now seen corresponding path program 1 times [2021-03-26 08:25:33,524 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 08:25:33,524 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [462362134] [2021-03-26 08:25:33,524 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 08:25:33,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 08:25:33,553 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:25:33,553 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 08:25:33,560 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.6 percent of original size [2021-03-26 08:25:33,561 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-03-26 08:25:33,580 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.0 percent of original size [2021-03-26 08:25:33,580 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-03-26 08:25:33,601 INFO L142 QuantifierPusher]: treesize reduction 4, result has 91.8 percent of original size [2021-03-26 08:25:33,601 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-26 08:25:33,623 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:25:33,623 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 08:25:33,641 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:25:33,641 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 08:25:33,657 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:25:33,658 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-03-26 08:25:33,680 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:25:33,681 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-03-26 08:25:33,694 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:25:33,694 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-03-26 08:25:33,715 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:25:33,715 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-26 08:25:33,723 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:25:33,723 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-26 08:25:33,731 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:25:33,731 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:25:33,732 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 08:25:33,732 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [462362134] [2021-03-26 08:25:33,732 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 08:25:33,732 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-03-26 08:25:33,732 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [438465384] [2021-03-26 08:25:33,732 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-26 08:25:33,732 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 08:25:33,733 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-26 08:25:33,733 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2021-03-26 08:25:33,735 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 174 out of 330 [2021-03-26 08:25:33,736 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 200 places, 233 transitions, 3773 flow. Second operand has 12 states, 12 states have (on average 175.16666666666666) internal successors, (2102), 12 states have internal predecessors, (2102), 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) [2021-03-26 08:25:33,736 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 08:25:33,736 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 174 of 330 [2021-03-26 08:25:33,736 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 08:25:36,927 INFO L129 PetriNetUnfolder]: 14920/21464 cut-off events. [2021-03-26 08:25:36,928 INFO L130 PetriNetUnfolder]: For 283652/284820 co-relation queries the response was YES. [2021-03-26 08:25:37,470 INFO L84 FinitePrefix]: Finished finitePrefix Result has 106693 conditions, 21464 events. 14920/21464 cut-off events. For 283652/284820 co-relation queries the response was YES. Maximal size of possible extension queue 1089. Compared 132206 event pairs, 2385 based on Foata normal form. 233/16481 useless extension candidates. Maximal degree in co-relation 106192. Up to 11264 conditions per place. [2021-03-26 08:25:37,516 INFO L132 encePairwiseOnDemand]: 315/330 looper letters, 193 selfloop transitions, 84 changer transitions 17/333 dead transitions. [2021-03-26 08:25:37,516 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 212 places, 333 transitions, 5709 flow [2021-03-26 08:25:37,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-26 08:25:37,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-03-26 08:25:37,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 2368 transitions. [2021-03-26 08:25:37,519 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.551981351981352 [2021-03-26 08:25:37,519 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 2368 transitions. [2021-03-26 08:25:37,519 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 2368 transitions. [2021-03-26 08:25:37,519 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 08:25:37,519 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 2368 transitions. [2021-03-26 08:25:37,521 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 182.15384615384616) internal successors, (2368), 13 states have internal predecessors, (2368), 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) [2021-03-26 08:25:37,523 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 330.0) internal successors, (4620), 14 states have internal predecessors, (4620), 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) [2021-03-26 08:25:37,523 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 330.0) internal successors, (4620), 14 states have internal predecessors, (4620), 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) [2021-03-26 08:25:37,523 INFO L185 Difference]: Start difference. First operand has 200 places, 233 transitions, 3773 flow. Second operand 13 states and 2368 transitions. [2021-03-26 08:25:37,523 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 212 places, 333 transitions, 5709 flow [2021-03-26 08:25:38,065 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 199 places, 333 transitions, 5394 flow, removed 31 selfloop flow, removed 13 redundant places. [2021-03-26 08:25:38,069 INFO L241 Difference]: Finished difference. Result has 203 places, 248 transitions, 4025 flow [2021-03-26 08:25:38,070 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=330, PETRI_DIFFERENCE_MINUEND_FLOW=3486, PETRI_DIFFERENCE_MINUEND_PLACES=187, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=231, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=63, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=155, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=4025, PETRI_PLACES=203, PETRI_TRANSITIONS=248} [2021-03-26 08:25:38,070 INFO L343 CegarLoopForPetriNet]: 63 programPoint places, 140 predicate places. [2021-03-26 08:25:38,070 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 08:25:38,070 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 203 places, 248 transitions, 4025 flow [2021-03-26 08:25:38,070 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 203 places, 248 transitions, 4025 flow [2021-03-26 08:25:38,071 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 203 places, 248 transitions, 4025 flow [2021-03-26 08:25:38,652 INFO L129 PetriNetUnfolder]: 4380/8055 cut-off events. [2021-03-26 08:25:38,653 INFO L130 PetriNetUnfolder]: For 38275/38760 co-relation queries the response was YES. [2021-03-26 08:25:38,723 INFO L84 FinitePrefix]: Finished finitePrefix Result has 22887 conditions, 8055 events. 4380/8055 cut-off events. For 38275/38760 co-relation queries the response was YES. Maximal size of possible extension queue 648. Compared 64369 event pairs, 19 based on Foata normal form. 122/5648 useless extension candidates. Maximal degree in co-relation 22749. Up to 2048 conditions per place. [2021-03-26 08:25:39,021 INFO L142 LiptonReduction]: Number of co-enabled transitions 3442 [2021-03-26 08:25:39,031 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 08:25:39,031 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 08:25:39,031 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 961 [2021-03-26 08:25:39,031 INFO L480 AbstractCegarLoop]: Abstraction has has 203 places, 248 transitions, 4025 flow [2021-03-26 08:25:39,032 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 175.16666666666666) internal successors, (2102), 12 states have internal predecessors, (2102), 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) [2021-03-26 08:25:39,032 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 08:25:39,032 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 08:25:39,032 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2021-03-26 08:25:39,032 INFO L428 AbstractCegarLoop]: === Iteration 28 === [thread0Err6INUSE_VIOLATION, thread0Err0INUSE_VIOLATION, thread0Thread1of1ForFork4Err1INUSE_VIOLATION, thread0Thread1of1ForFork4Err4INUSE_VIOLATION, ULTIMATE.startErr7INUSE_VIOLATION, thread0Thread1of1ForFork4Err5INUSE_VIOLATION, thread0Thread1of1ForFork4Err10INUSE_VIOLATION, thread0Err9INUSE_VIOLATION, thread0Err3INUSE_VIOLATION, thread0Err8INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, thread0Thread1of1ForFork4Err2INUSE_VIOLATION]=== [2021-03-26 08:25:39,032 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 08:25:39,032 INFO L82 PathProgramCache]: Analyzing trace with hash -427201177, now seen corresponding path program 2 times [2021-03-26 08:25:39,032 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 08:25:39,032 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [73144057] [2021-03-26 08:25:39,032 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 08:25:39,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 08:25:39,052 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:25:39,053 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:25:39,053 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:25:39,054 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 08:25:39,060 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:25:39,060 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 08:25:39,067 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:25:39,067 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-26 08:25:39,077 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:25:39,077 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-26 08:25:39,086 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:25:39,086 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 08:25:39,095 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:25:39,095 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 08:25:39,102 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:25:39,102 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-26 08:25:39,108 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 08:25:39,108 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [73144057] [2021-03-26 08:25:39,108 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 08:25:39,109 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 08:25:39,109 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1003633677] [2021-03-26 08:25:39,109 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-26 08:25:39,109 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 08:25:39,109 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-26 08:25:39,109 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2021-03-26 08:25:39,111 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 209 out of 330 [2021-03-26 08:25:39,113 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 203 places, 248 transitions, 4025 flow. Second operand has 9 states, 9 states have (on average 210.44444444444446) internal successors, (1894), 9 states have internal predecessors, (1894), 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) [2021-03-26 08:25:39,113 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 08:25:39,113 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 209 of 330 [2021-03-26 08:25:39,113 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 08:25:41,078 INFO L129 PetriNetUnfolder]: 9807/15284 cut-off events. [2021-03-26 08:25:41,078 INFO L130 PetriNetUnfolder]: For 199504/200658 co-relation queries the response was YES. [2021-03-26 08:25:41,186 INFO L84 FinitePrefix]: Finished finitePrefix Result has 74074 conditions, 15284 events. 9807/15284 cut-off events. For 199504/200658 co-relation queries the response was YES. Maximal size of possible extension queue 839. Compared 103633 event pairs, 572 based on Foata normal form. 436/12096 useless extension candidates. Maximal degree in co-relation 73712. Up to 4661 conditions per place. [2021-03-26 08:25:41,229 INFO L132 encePairwiseOnDemand]: 319/330 looper letters, 153 selfloop transitions, 88 changer transitions 5/310 dead transitions. [2021-03-26 08:25:41,229 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 211 places, 310 transitions, 5218 flow [2021-03-26 08:25:41,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-26 08:25:41,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-26 08:25:41,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 1961 transitions. [2021-03-26 08:25:41,230 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6602693602693602 [2021-03-26 08:25:41,230 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 1961 transitions. [2021-03-26 08:25:41,230 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 1961 transitions. [2021-03-26 08:25:41,231 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 08:25:41,231 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 1961 transitions. [2021-03-26 08:25:41,232 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 217.88888888888889) internal successors, (1961), 9 states have internal predecessors, (1961), 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) [2021-03-26 08:25:41,234 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 330.0) internal successors, (3300), 10 states have internal predecessors, (3300), 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) [2021-03-26 08:25:41,234 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 330.0) internal successors, (3300), 10 states have internal predecessors, (3300), 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) [2021-03-26 08:25:41,234 INFO L185 Difference]: Start difference. First operand has 203 places, 248 transitions, 4025 flow. Second operand 9 states and 1961 transitions. [2021-03-26 08:25:41,234 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 211 places, 310 transitions, 5218 flow [2021-03-26 08:25:41,610 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 203 places, 310 transitions, 5086 flow, removed 27 selfloop flow, removed 8 redundant places. [2021-03-26 08:25:41,613 INFO L241 Difference]: Finished difference. Result has 208 places, 261 transitions, 4490 flow [2021-03-26 08:25:41,614 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=330, PETRI_DIFFERENCE_MINUEND_FLOW=3902, PETRI_DIFFERENCE_MINUEND_PLACES=195, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=248, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=76, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=167, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=4490, PETRI_PLACES=208, PETRI_TRANSITIONS=261} [2021-03-26 08:25:41,614 INFO L343 CegarLoopForPetriNet]: 63 programPoint places, 145 predicate places. [2021-03-26 08:25:41,614 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 08:25:41,614 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 208 places, 261 transitions, 4490 flow [2021-03-26 08:25:41,614 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 208 places, 261 transitions, 4490 flow [2021-03-26 08:25:41,616 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 208 places, 261 transitions, 4490 flow [2021-03-26 08:25:42,336 INFO L129 PetriNetUnfolder]: 4310/7933 cut-off events. [2021-03-26 08:25:42,336 INFO L130 PetriNetUnfolder]: For 48654/49607 co-relation queries the response was YES. [2021-03-26 08:25:42,399 INFO L84 FinitePrefix]: Finished finitePrefix Result has 24028 conditions, 7933 events. 4310/7933 cut-off events. For 48654/49607 co-relation queries the response was YES. Maximal size of possible extension queue 625. Compared 63028 event pairs, 31 based on Foata normal form. 197/5569 useless extension candidates. Maximal degree in co-relation 23884. Up to 2034 conditions per place. [2021-03-26 08:25:42,472 INFO L142 LiptonReduction]: Number of co-enabled transitions 3658 [2021-03-26 08:25:42,483 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 08:25:42,483 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 08:25:42,483 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 869 [2021-03-26 08:25:42,483 INFO L480 AbstractCegarLoop]: Abstraction has has 208 places, 261 transitions, 4490 flow [2021-03-26 08:25:42,484 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 210.44444444444446) internal successors, (1894), 9 states have internal predecessors, (1894), 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) [2021-03-26 08:25:42,484 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 08:25:42,484 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 08:25:42,484 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2021-03-26 08:25:42,484 INFO L428 AbstractCegarLoop]: === Iteration 29 === [thread0Err6INUSE_VIOLATION, thread0Err0INUSE_VIOLATION, thread0Thread1of1ForFork4Err1INUSE_VIOLATION, thread0Thread1of1ForFork4Err4INUSE_VIOLATION, ULTIMATE.startErr7INUSE_VIOLATION, thread0Thread1of1ForFork4Err5INUSE_VIOLATION, thread0Thread1of1ForFork4Err10INUSE_VIOLATION, thread0Err9INUSE_VIOLATION, thread0Err3INUSE_VIOLATION, thread0Err8INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, thread0Thread1of1ForFork4Err2INUSE_VIOLATION]=== [2021-03-26 08:25:42,484 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 08:25:42,484 INFO L82 PathProgramCache]: Analyzing trace with hash -369916801, now seen corresponding path program 4 times [2021-03-26 08:25:42,484 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 08:25:42,484 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1329194350] [2021-03-26 08:25:42,484 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 08:25:42,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 08:25:42,510 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:25:42,511 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 08:25:42,517 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:25:42,517 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-03-26 08:25:42,540 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:25:42,541 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-26 08:25:42,563 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:25:42,563 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-03-26 08:25:42,598 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:25:42,598 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-26 08:25:42,611 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:25:42,611 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-26 08:25:42,624 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:25:42,625 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 08:25:42,637 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:25:42,637 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 08:25:42,648 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:25:42,649 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 08:25:42,657 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:25:42,657 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-26 08:25:42,666 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:25:42,666 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-26 08:25:42,675 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:25:42,675 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:25:42,675 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 08:25:42,676 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1329194350] [2021-03-26 08:25:42,676 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 08:25:42,676 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-03-26 08:25:42,676 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [631928257] [2021-03-26 08:25:42,676 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-26 08:25:42,676 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 08:25:42,676 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-26 08:25:42,676 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2021-03-26 08:25:42,678 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 176 out of 330 [2021-03-26 08:25:42,679 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 208 places, 261 transitions, 4490 flow. Second operand has 12 states, 12 states have (on average 177.16666666666666) internal successors, (2126), 12 states have internal predecessors, (2126), 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) [2021-03-26 08:25:42,679 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 08:25:42,679 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 176 of 330 [2021-03-26 08:25:42,679 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 08:25:45,986 INFO L129 PetriNetUnfolder]: 15814/22929 cut-off events. [2021-03-26 08:25:45,986 INFO L130 PetriNetUnfolder]: For 355014/355502 co-relation queries the response was YES. [2021-03-26 08:25:46,131 INFO L84 FinitePrefix]: Finished finitePrefix Result has 118908 conditions, 22929 events. 15814/22929 cut-off events. For 355014/355502 co-relation queries the response was YES. Maximal size of possible extension queue 1170. Compared 143947 event pairs, 2792 based on Foata normal form. 243/17458 useless extension candidates. Maximal degree in co-relation 118467. Up to 15787 conditions per place. [2021-03-26 08:25:46,179 INFO L132 encePairwiseOnDemand]: 321/330 looper letters, 240 selfloop transitions, 41 changer transitions 12/338 dead transitions. [2021-03-26 08:25:46,179 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 214 places, 338 transitions, 6327 flow [2021-03-26 08:25:46,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-26 08:25:46,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-26 08:25:46,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 1312 transitions. [2021-03-26 08:25:46,181 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.567965367965368 [2021-03-26 08:25:46,181 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 1312 transitions. [2021-03-26 08:25:46,181 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 1312 transitions. [2021-03-26 08:25:46,181 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 08:25:46,181 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 1312 transitions. [2021-03-26 08:25:46,183 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 187.42857142857142) internal successors, (1312), 7 states have internal predecessors, (1312), 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) [2021-03-26 08:25:46,184 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 330.0) internal successors, (2640), 8 states have internal predecessors, (2640), 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) [2021-03-26 08:25:46,184 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 330.0) internal successors, (2640), 8 states have internal predecessors, (2640), 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) [2021-03-26 08:25:46,184 INFO L185 Difference]: Start difference. First operand has 208 places, 261 transitions, 4490 flow. Second operand 7 states and 1312 transitions. [2021-03-26 08:25:46,184 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 214 places, 338 transitions, 6327 flow [2021-03-26 08:25:47,031 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 211 places, 338 transitions, 6252 flow, removed 12 selfloop flow, removed 3 redundant places. [2021-03-26 08:25:47,035 INFO L241 Difference]: Finished difference. Result has 214 places, 270 transitions, 4723 flow [2021-03-26 08:25:47,036 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=330, PETRI_DIFFERENCE_MINUEND_FLOW=4431, PETRI_DIFFERENCE_MINUEND_PLACES=205, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=261, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=28, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=226, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=4723, PETRI_PLACES=214, PETRI_TRANSITIONS=270} [2021-03-26 08:25:47,036 INFO L343 CegarLoopForPetriNet]: 63 programPoint places, 151 predicate places. [2021-03-26 08:25:47,036 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 08:25:47,036 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 214 places, 270 transitions, 4723 flow [2021-03-26 08:25:47,036 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 214 places, 270 transitions, 4723 flow [2021-03-26 08:25:47,038 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 214 places, 270 transitions, 4723 flow [2021-03-26 08:25:47,791 INFO L129 PetriNetUnfolder]: 4257/7681 cut-off events. [2021-03-26 08:25:47,792 INFO L130 PetriNetUnfolder]: For 46144/46890 co-relation queries the response was YES. [2021-03-26 08:25:47,844 INFO L84 FinitePrefix]: Finished finitePrefix Result has 23307 conditions, 7681 events. 4257/7681 cut-off events. For 46144/46890 co-relation queries the response was YES. Maximal size of possible extension queue 625. Compared 59638 event pairs, 37 based on Foata normal form. 207/5332 useless extension candidates. Maximal degree in co-relation 23056. Up to 1994 conditions per place. [2021-03-26 08:25:47,912 INFO L142 LiptonReduction]: Number of co-enabled transitions 3782 [2021-03-26 08:25:47,923 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 08:25:47,923 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 08:25:47,923 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 887 [2021-03-26 08:25:47,924 INFO L480 AbstractCegarLoop]: Abstraction has has 214 places, 270 transitions, 4723 flow [2021-03-26 08:25:47,924 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 177.16666666666666) internal successors, (2126), 12 states have internal predecessors, (2126), 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) [2021-03-26 08:25:47,924 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 08:25:47,924 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 08:25:47,924 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2021-03-26 08:25:47,925 INFO L428 AbstractCegarLoop]: === Iteration 30 === [thread0Err6INUSE_VIOLATION, thread0Err0INUSE_VIOLATION, thread0Thread1of1ForFork4Err1INUSE_VIOLATION, thread0Thread1of1ForFork4Err4INUSE_VIOLATION, ULTIMATE.startErr7INUSE_VIOLATION, thread0Thread1of1ForFork4Err5INUSE_VIOLATION, thread0Thread1of1ForFork4Err10INUSE_VIOLATION, thread0Err9INUSE_VIOLATION, thread0Err3INUSE_VIOLATION, thread0Err8INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, thread0Thread1of1ForFork4Err2INUSE_VIOLATION]=== [2021-03-26 08:25:47,925 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 08:25:47,925 INFO L82 PathProgramCache]: Analyzing trace with hash 1225693259, now seen corresponding path program 5 times [2021-03-26 08:25:47,925 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 08:25:47,925 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1268988967] [2021-03-26 08:25:47,925 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 08:25:47,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 08:25:47,945 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:25:47,945 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 08:25:47,949 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:25:47,950 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-26 08:25:47,959 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:25:47,959 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-26 08:25:47,967 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:25:47,968 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-26 08:25:47,976 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:25:47,977 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 08:25:47,985 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:25:47,985 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 08:25:47,992 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:25:47,992 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:25:47,998 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:25:47,998 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-26 08:25:48,005 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:25:48,005 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:25:48,005 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 08:25:48,005 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1268988967] [2021-03-26 08:25:48,005 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 08:25:48,005 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 08:25:48,006 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [742866138] [2021-03-26 08:25:48,006 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-26 08:25:48,006 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 08:25:48,006 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-26 08:25:48,006 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2021-03-26 08:25:48,008 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 179 out of 330 [2021-03-26 08:25:48,009 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 214 places, 270 transitions, 4723 flow. Second operand has 10 states, 10 states have (on average 180.4) internal successors, (1804), 10 states have internal predecessors, (1804), 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) [2021-03-26 08:25:48,009 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 08:25:48,009 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 179 of 330 [2021-03-26 08:25:48,009 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 08:25:50,881 INFO L129 PetriNetUnfolder]: 14638/21396 cut-off events. [2021-03-26 08:25:50,881 INFO L130 PetriNetUnfolder]: For 335940/336288 co-relation queries the response was YES. [2021-03-26 08:25:51,173 INFO L84 FinitePrefix]: Finished finitePrefix Result has 113342 conditions, 21396 events. 14638/21396 cut-off events. For 335940/336288 co-relation queries the response was YES. Maximal size of possible extension queue 1197. Compared 136710 event pairs, 3171 based on Foata normal form. 134/15998 useless extension candidates. Maximal degree in co-relation 112924. Up to 9780 conditions per place. [2021-03-26 08:25:51,226 INFO L132 encePairwiseOnDemand]: 320/330 looper letters, 249 selfloop transitions, 70 changer transitions 12/376 dead transitions. [2021-03-26 08:25:51,226 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 222 places, 376 transitions, 6942 flow [2021-03-26 08:25:51,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-26 08:25:51,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-26 08:25:51,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 1719 transitions. [2021-03-26 08:25:51,228 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5787878787878787 [2021-03-26 08:25:51,228 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 1719 transitions. [2021-03-26 08:25:51,228 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 1719 transitions. [2021-03-26 08:25:51,228 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 08:25:51,228 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 1719 transitions. [2021-03-26 08:25:51,230 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 191.0) internal successors, (1719), 9 states have internal predecessors, (1719), 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) [2021-03-26 08:25:51,232 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 330.0) internal successors, (3300), 10 states have internal predecessors, (3300), 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) [2021-03-26 08:25:51,232 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 330.0) internal successors, (3300), 10 states have internal predecessors, (3300), 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) [2021-03-26 08:25:51,232 INFO L185 Difference]: Start difference. First operand has 214 places, 270 transitions, 4723 flow. Second operand 9 states and 1719 transitions. [2021-03-26 08:25:51,232 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 222 places, 376 transitions, 6942 flow [2021-03-26 08:25:52,085 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 218 places, 376 transitions, 6852 flow, removed 10 selfloop flow, removed 4 redundant places. [2021-03-26 08:25:52,091 INFO L241 Difference]: Finished difference. Result has 223 places, 292 transitions, 5368 flow [2021-03-26 08:25:52,091 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=330, PETRI_DIFFERENCE_MINUEND_FLOW=4647, PETRI_DIFFERENCE_MINUEND_PLACES=210, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=269, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=48, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=209, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=5368, PETRI_PLACES=223, PETRI_TRANSITIONS=292} [2021-03-26 08:25:52,092 INFO L343 CegarLoopForPetriNet]: 63 programPoint places, 160 predicate places. [2021-03-26 08:25:52,092 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 08:25:52,093 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 223 places, 292 transitions, 5368 flow [2021-03-26 08:25:52,093 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 223 places, 292 transitions, 5368 flow [2021-03-26 08:25:52,095 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 223 places, 292 transitions, 5368 flow [2021-03-26 08:25:52,746 INFO L129 PetriNetUnfolder]: 4610/8312 cut-off events. [2021-03-26 08:25:52,746 INFO L130 PetriNetUnfolder]: For 52073/52931 co-relation queries the response was YES. [2021-03-26 08:25:52,814 INFO L84 FinitePrefix]: Finished finitePrefix Result has 25154 conditions, 8312 events. 4610/8312 cut-off events. For 52073/52931 co-relation queries the response was YES. Maximal size of possible extension queue 684. Compared 65319 event pairs, 10 based on Foata normal form. 187/5683 useless extension candidates. Maximal degree in co-relation 24993. Up to 2196 conditions per place. [2021-03-26 08:25:52,899 INFO L142 LiptonReduction]: Number of co-enabled transitions 3926 [2021-03-26 08:25:52,911 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 08:25:52,911 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 08:25:52,911 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 819 [2021-03-26 08:25:52,912 INFO L480 AbstractCegarLoop]: Abstraction has has 223 places, 292 transitions, 5368 flow [2021-03-26 08:25:52,912 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 180.4) internal successors, (1804), 10 states have internal predecessors, (1804), 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) [2021-03-26 08:25:52,912 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 08:25:52,912 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 08:25:52,912 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2021-03-26 08:25:52,912 INFO L428 AbstractCegarLoop]: === Iteration 31 === [thread0Err6INUSE_VIOLATION, thread0Err0INUSE_VIOLATION, thread0Thread1of1ForFork4Err1INUSE_VIOLATION, thread0Thread1of1ForFork4Err4INUSE_VIOLATION, ULTIMATE.startErr7INUSE_VIOLATION, thread0Thread1of1ForFork4Err5INUSE_VIOLATION, thread0Thread1of1ForFork4Err10INUSE_VIOLATION, thread0Err9INUSE_VIOLATION, thread0Err3INUSE_VIOLATION, thread0Err8INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, thread0Thread1of1ForFork4Err2INUSE_VIOLATION]=== [2021-03-26 08:25:52,912 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 08:25:52,912 INFO L82 PathProgramCache]: Analyzing trace with hash 1710503265, now seen corresponding path program 1 times [2021-03-26 08:25:52,913 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 08:25:52,913 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [300241542] [2021-03-26 08:25:52,913 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 08:25:52,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 08:25:52,942 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:25:52,943 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 08:25:52,949 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:25:52,950 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-03-26 08:25:52,967 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:25:52,967 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-26 08:25:52,985 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:25:52,985 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-26 08:25:53,003 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:25:53,003 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 08:25:53,021 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:25:53,022 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-03-26 08:25:53,042 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:25:53,043 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-03-26 08:25:53,062 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:25:53,062 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-03-26 08:25:53,091 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:25:53,091 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-03-26 08:25:53,104 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:25:53,104 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-03-26 08:25:53,117 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:25:53,117 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-26 08:25:53,127 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:25:53,128 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-26 08:25:53,138 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:25:53,138 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:25:53,138 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 08:25:53,139 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [300241542] [2021-03-26 08:25:53,139 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 08:25:53,139 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-03-26 08:25:53,139 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [412769919] [2021-03-26 08:25:53,139 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-26 08:25:53,139 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 08:25:53,139 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-26 08:25:53,139 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=105, Unknown=0, NotChecked=0, Total=132 [2021-03-26 08:25:53,141 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 174 out of 330 [2021-03-26 08:25:53,142 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 223 places, 292 transitions, 5368 flow. Second operand has 12 states, 12 states have (on average 175.25) internal successors, (2103), 12 states have internal predecessors, (2103), 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) [2021-03-26 08:25:53,142 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 08:25:53,142 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 174 of 330 [2021-03-26 08:25:53,143 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 08:25:53,670 WARN L205 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 47 [2021-03-26 08:25:56,745 INFO L129 PetriNetUnfolder]: 14375/21128 cut-off events. [2021-03-26 08:25:56,746 INFO L130 PetriNetUnfolder]: For 344563/345251 co-relation queries the response was YES. [2021-03-26 08:25:57,015 INFO L84 FinitePrefix]: Finished finitePrefix Result has 110555 conditions, 21128 events. 14375/21128 cut-off events. For 344563/345251 co-relation queries the response was YES. Maximal size of possible extension queue 1129. Compared 134721 event pairs, 2223 based on Foata normal form. 222/15818 useless extension candidates. Maximal degree in co-relation 110105. Up to 13966 conditions per place. [2021-03-26 08:25:57,081 INFO L132 encePairwiseOnDemand]: 317/330 looper letters, 236 selfloop transitions, 57 changer transitions 3/349 dead transitions. [2021-03-26 08:25:57,081 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 233 places, 349 transitions, 6619 flow [2021-03-26 08:25:57,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-26 08:25:57,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-03-26 08:25:57,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 2006 transitions. [2021-03-26 08:25:57,083 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5526170798898071 [2021-03-26 08:25:57,083 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 2006 transitions. [2021-03-26 08:25:57,083 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 2006 transitions. [2021-03-26 08:25:57,083 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 08:25:57,083 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 2006 transitions. [2021-03-26 08:25:57,085 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 182.36363636363637) internal successors, (2006), 11 states have internal predecessors, (2006), 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) [2021-03-26 08:25:57,087 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 330.0) internal successors, (3960), 12 states have internal predecessors, (3960), 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) [2021-03-26 08:25:57,088 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 330.0) internal successors, (3960), 12 states have internal predecessors, (3960), 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) [2021-03-26 08:25:57,088 INFO L185 Difference]: Start difference. First operand has 223 places, 292 transitions, 5368 flow. Second operand 11 states and 2006 transitions. [2021-03-26 08:25:57,088 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 233 places, 349 transitions, 6619 flow [2021-03-26 08:25:57,712 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 219 places, 349 transitions, 6365 flow, removed 28 selfloop flow, removed 14 redundant places. [2021-03-26 08:25:57,717 INFO L241 Difference]: Finished difference. Result has 219 places, 278 transitions, 4969 flow [2021-03-26 08:25:57,717 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=330, PETRI_DIFFERENCE_MINUEND_FLOW=4840, PETRI_DIFFERENCE_MINUEND_PLACES=209, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=277, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=56, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=221, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=4969, PETRI_PLACES=219, PETRI_TRANSITIONS=278} [2021-03-26 08:25:57,717 INFO L343 CegarLoopForPetriNet]: 63 programPoint places, 156 predicate places. [2021-03-26 08:25:57,717 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 08:25:57,718 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 219 places, 278 transitions, 4969 flow [2021-03-26 08:25:57,718 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 219 places, 278 transitions, 4969 flow [2021-03-26 08:25:57,720 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 219 places, 278 transitions, 4969 flow [2021-03-26 08:25:58,582 INFO L129 PetriNetUnfolder]: 4441/8015 cut-off events. [2021-03-26 08:25:58,582 INFO L130 PetriNetUnfolder]: For 48274/48904 co-relation queries the response was YES. [2021-03-26 08:25:58,634 INFO L84 FinitePrefix]: Finished finitePrefix Result has 23349 conditions, 8015 events. 4441/8015 cut-off events. For 48274/48904 co-relation queries the response was YES. Maximal size of possible extension queue 674. Compared 62657 event pairs, 18 based on Foata normal form. 148/5423 useless extension candidates. Maximal degree in co-relation 23081. Up to 2136 conditions per place. [2021-03-26 08:25:58,703 INFO L142 LiptonReduction]: Number of co-enabled transitions 3482 [2021-03-26 08:25:58,715 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 08:25:58,715 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 08:25:58,715 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 998 [2021-03-26 08:25:58,715 INFO L480 AbstractCegarLoop]: Abstraction has has 219 places, 278 transitions, 4969 flow [2021-03-26 08:25:58,716 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 175.25) internal successors, (2103), 12 states have internal predecessors, (2103), 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) [2021-03-26 08:25:58,716 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 08:25:58,716 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 08:25:58,716 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2021-03-26 08:25:58,716 INFO L428 AbstractCegarLoop]: === Iteration 32 === [thread0Err6INUSE_VIOLATION, thread0Err0INUSE_VIOLATION, thread0Thread1of1ForFork4Err1INUSE_VIOLATION, thread0Thread1of1ForFork4Err4INUSE_VIOLATION, ULTIMATE.startErr7INUSE_VIOLATION, thread0Thread1of1ForFork4Err5INUSE_VIOLATION, thread0Thread1of1ForFork4Err10INUSE_VIOLATION, thread0Err9INUSE_VIOLATION, thread0Err3INUSE_VIOLATION, thread0Err8INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, thread0Thread1of1ForFork4Err2INUSE_VIOLATION]=== [2021-03-26 08:25:58,716 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 08:25:58,716 INFO L82 PathProgramCache]: Analyzing trace with hash 726249076, now seen corresponding path program 1 times [2021-03-26 08:25:58,717 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 08:25:58,717 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [744718369] [2021-03-26 08:25:58,717 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 08:25:58,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 08:25:58,742 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:25:58,742 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 08:25:58,750 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:25:58,750 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-03-26 08:25:58,773 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:25:58,774 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-26 08:25:58,796 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:25:58,797 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-03-26 08:25:58,819 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:25:58,819 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-26 08:25:58,829 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:25:58,830 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-26 08:25:58,840 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:25:58,841 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 08:25:58,851 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:25:58,851 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 08:25:58,859 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:25:58,862 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:25:58,869 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:25:58,870 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-26 08:25:58,881 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:25:58,882 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:25:58,882 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 08:25:58,883 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [744718369] [2021-03-26 08:25:58,883 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 08:25:58,883 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-03-26 08:25:58,883 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1252669851] [2021-03-26 08:25:58,883 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-26 08:25:58,883 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 08:25:58,884 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-26 08:25:58,884 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=97, Unknown=0, NotChecked=0, Total=132 [2021-03-26 08:25:58,886 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 176 out of 330 [2021-03-26 08:25:58,887 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 219 places, 278 transitions, 4969 flow. Second operand has 12 states, 12 states have (on average 177.25) internal successors, (2127), 12 states have internal predecessors, (2127), 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) [2021-03-26 08:25:58,887 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 08:25:58,887 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 176 of 330 [2021-03-26 08:25:58,887 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 08:26:01,626 INFO L129 PetriNetUnfolder]: 13174/19418 cut-off events. [2021-03-26 08:26:01,626 INFO L130 PetriNetUnfolder]: For 333043/333276 co-relation queries the response was YES. [2021-03-26 08:26:01,808 INFO L84 FinitePrefix]: Finished finitePrefix Result has 99393 conditions, 19418 events. 13174/19418 cut-off events. For 333043/333276 co-relation queries the response was YES. Maximal size of possible extension queue 1045. Compared 122770 event pairs, 2720 based on Foata normal form. 320/14659 useless extension candidates. Maximal degree in co-relation 98950. Up to 8725 conditions per place. [2021-03-26 08:26:01,852 INFO L132 encePairwiseOnDemand]: 322/330 looper letters, 189 selfloop transitions, 101 changer transitions 20/355 dead transitions. [2021-03-26 08:26:01,852 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 227 places, 355 transitions, 6622 flow [2021-03-26 08:26:01,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-26 08:26:01,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-26 08:26:01,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 1686 transitions. [2021-03-26 08:26:01,855 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5676767676767677 [2021-03-26 08:26:01,855 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 1686 transitions. [2021-03-26 08:26:01,855 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 1686 transitions. [2021-03-26 08:26:01,856 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 08:26:01,856 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 1686 transitions. [2021-03-26 08:26:01,857 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 187.33333333333334) internal successors, (1686), 9 states have internal predecessors, (1686), 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) [2021-03-26 08:26:01,858 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 330.0) internal successors, (3300), 10 states have internal predecessors, (3300), 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) [2021-03-26 08:26:01,859 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 330.0) internal successors, (3300), 10 states have internal predecessors, (3300), 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) [2021-03-26 08:26:01,859 INFO L185 Difference]: Start difference. First operand has 219 places, 278 transitions, 4969 flow. Second operand 9 states and 1686 transitions. [2021-03-26 08:26:01,859 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 227 places, 355 transitions, 6622 flow [2021-03-26 08:26:02,459 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 214 places, 355 transitions, 6310 flow, removed 28 selfloop flow, removed 13 redundant places. [2021-03-26 08:26:02,463 INFO L241 Difference]: Finished difference. Result has 217 places, 259 transitions, 4630 flow [2021-03-26 08:26:02,463 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=330, PETRI_DIFFERENCE_MINUEND_FLOW=4304, PETRI_DIFFERENCE_MINUEND_PLACES=206, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=258, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=94, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=163, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=4630, PETRI_PLACES=217, PETRI_TRANSITIONS=259} [2021-03-26 08:26:02,463 INFO L343 CegarLoopForPetriNet]: 63 programPoint places, 154 predicate places. [2021-03-26 08:26:02,463 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 08:26:02,463 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 217 places, 259 transitions, 4630 flow [2021-03-26 08:26:02,463 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 217 places, 259 transitions, 4630 flow [2021-03-26 08:26:02,465 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 217 places, 259 transitions, 4630 flow [2021-03-26 08:26:03,216 INFO L129 PetriNetUnfolder]: 4303/7795 cut-off events. [2021-03-26 08:26:03,216 INFO L130 PetriNetUnfolder]: For 43923/44448 co-relation queries the response was YES. [2021-03-26 08:26:03,267 INFO L84 FinitePrefix]: Finished finitePrefix Result has 21531 conditions, 7795 events. 4303/7795 cut-off events. For 43923/44448 co-relation queries the response was YES. Maximal size of possible extension queue 665. Compared 61068 event pairs, 9 based on Foata normal form. 78/5183 useless extension candidates. Maximal degree in co-relation 21289. Up to 2110 conditions per place. [2021-03-26 08:26:03,335 INFO L142 LiptonReduction]: Number of co-enabled transitions 3072 [2021-03-26 08:26:03,345 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 08:26:03,345 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 08:26:03,345 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 882 [2021-03-26 08:26:03,345 INFO L480 AbstractCegarLoop]: Abstraction has has 217 places, 259 transitions, 4630 flow [2021-03-26 08:26:03,346 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 177.25) internal successors, (2127), 12 states have internal predecessors, (2127), 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) [2021-03-26 08:26:03,346 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 08:26:03,346 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 08:26:03,346 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2021-03-26 08:26:03,346 INFO L428 AbstractCegarLoop]: === Iteration 33 === [thread0Err6INUSE_VIOLATION, thread0Err0INUSE_VIOLATION, thread0Thread1of1ForFork4Err1INUSE_VIOLATION, thread0Thread1of1ForFork4Err4INUSE_VIOLATION, ULTIMATE.startErr7INUSE_VIOLATION, thread0Thread1of1ForFork4Err5INUSE_VIOLATION, thread0Thread1of1ForFork4Err10INUSE_VIOLATION, thread0Err9INUSE_VIOLATION, thread0Err3INUSE_VIOLATION, thread0Err8INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, thread0Thread1of1ForFork4Err2INUSE_VIOLATION]=== [2021-03-26 08:26:03,346 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 08:26:03,346 INFO L82 PathProgramCache]: Analyzing trace with hash 363151152, now seen corresponding path program 1 times [2021-03-26 08:26:03,346 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 08:26:03,346 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [796102295] [2021-03-26 08:26:03,346 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 08:26:03,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 08:26:03,372 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:26:03,372 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 08:26:03,379 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:26:03,379 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-03-26 08:26:03,397 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:26:03,398 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-26 08:26:03,417 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:26:03,417 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-26 08:26:03,439 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:26:03,440 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 08:26:03,461 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:26:03,461 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 08:26:03,482 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:26:03,483 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-26 08:26:03,503 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:26:03,503 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-03-26 08:26:03,524 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:26:03,524 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-03-26 08:26:03,535 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:26:03,539 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-03-26 08:26:03,550 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:26:03,550 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-26 08:26:03,560 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:26:03,560 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-26 08:26:03,570 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:26:03,570 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:26:03,571 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 08:26:03,571 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [796102295] [2021-03-26 08:26:03,571 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 08:26:03,571 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-03-26 08:26:03,571 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [647008001] [2021-03-26 08:26:03,571 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-26 08:26:03,571 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 08:26:03,571 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-26 08:26:03,571 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2021-03-26 08:26:03,573 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 174 out of 330 [2021-03-26 08:26:03,574 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 217 places, 259 transitions, 4630 flow. Second operand has 12 states, 12 states have (on average 175.25) internal successors, (2103), 12 states have internal predecessors, (2103), 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) [2021-03-26 08:26:03,574 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 08:26:03,574 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 174 of 330 [2021-03-26 08:26:03,574 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 08:26:06,243 INFO L129 PetriNetUnfolder]: 12079/17972 cut-off events. [2021-03-26 08:26:06,244 INFO L130 PetriNetUnfolder]: For 303398/303594 co-relation queries the response was YES. [2021-03-26 08:26:06,361 INFO L84 FinitePrefix]: Finished finitePrefix Result has 90350 conditions, 17972 events. 12079/17972 cut-off events. For 303398/303594 co-relation queries the response was YES. Maximal size of possible extension queue 984. Compared 114893 event pairs, 2127 based on Foata normal form. 121/13403 useless extension candidates. Maximal degree in co-relation 89869. Up to 11940 conditions per place. [2021-03-26 08:26:06,400 INFO L132 encePairwiseOnDemand]: 317/330 looper letters, 198 selfloop transitions, 60 changer transitions 3/306 dead transitions. [2021-03-26 08:26:06,401 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 226 places, 306 transitions, 5717 flow [2021-03-26 08:26:06,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-26 08:26:06,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-03-26 08:26:06,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 1997 transitions. [2021-03-26 08:26:06,402 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.550137741046832 [2021-03-26 08:26:06,402 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 1997 transitions. [2021-03-26 08:26:06,402 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 1997 transitions. [2021-03-26 08:26:06,403 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 08:26:06,403 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 1997 transitions. [2021-03-26 08:26:06,404 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 181.54545454545453) internal successors, (1997), 11 states have internal predecessors, (1997), 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) [2021-03-26 08:26:06,406 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 330.0) internal successors, (3960), 12 states have internal predecessors, (3960), 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) [2021-03-26 08:26:06,406 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 330.0) internal successors, (3960), 12 states have internal predecessors, (3960), 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) [2021-03-26 08:26:06,406 INFO L185 Difference]: Start difference. First operand has 217 places, 259 transitions, 4630 flow. Second operand 11 states and 1997 transitions. [2021-03-26 08:26:06,406 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 226 places, 306 transitions, 5717 flow [2021-03-26 08:26:06,899 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 212 places, 306 transitions, 5424 flow, removed 25 selfloop flow, removed 14 redundant places. [2021-03-26 08:26:06,903 INFO L241 Difference]: Finished difference. Result has 212 places, 245 transitions, 4262 flow [2021-03-26 08:26:06,904 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=330, PETRI_DIFFERENCE_MINUEND_FLOW=4142, PETRI_DIFFERENCE_MINUEND_PLACES=202, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=245, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=60, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=185, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=4262, PETRI_PLACES=212, PETRI_TRANSITIONS=245} [2021-03-26 08:26:06,904 INFO L343 CegarLoopForPetriNet]: 63 programPoint places, 149 predicate places. [2021-03-26 08:26:06,904 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 08:26:06,904 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 212 places, 245 transitions, 4262 flow [2021-03-26 08:26:06,904 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 212 places, 245 transitions, 4262 flow [2021-03-26 08:26:06,906 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 212 places, 245 transitions, 4262 flow [2021-03-26 08:26:07,619 INFO L129 PetriNetUnfolder]: 4147/7508 cut-off events. [2021-03-26 08:26:07,619 INFO L130 PetriNetUnfolder]: For 40958/41751 co-relation queries the response was YES. [2021-03-26 08:26:07,660 INFO L84 FinitePrefix]: Finished finitePrefix Result has 20040 conditions, 7508 events. 4147/7508 cut-off events. For 40958/41751 co-relation queries the response was YES. Maximal size of possible extension queue 633. Compared 58056 event pairs, 14 based on Foata normal form. 107/5079 useless extension candidates. Maximal degree in co-relation 19911. Up to 2036 conditions per place. [2021-03-26 08:26:07,716 INFO L142 LiptonReduction]: Number of co-enabled transitions 2566 [2021-03-26 08:26:08,506 INFO L154 LiptonReduction]: Checked pairs total: 377 [2021-03-26 08:26:08,506 INFO L156 LiptonReduction]: Total number of compositions: 16 [2021-03-26 08:26:08,506 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1602 [2021-03-26 08:26:08,506 INFO L480 AbstractCegarLoop]: Abstraction has has 212 places, 245 transitions, 4370 flow [2021-03-26 08:26:08,507 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 175.25) internal successors, (2103), 12 states have internal predecessors, (2103), 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) [2021-03-26 08:26:08,507 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 08:26:08,507 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 08:26:08,507 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2021-03-26 08:26:08,507 INFO L428 AbstractCegarLoop]: === Iteration 34 === [thread0Err6INUSE_VIOLATION, thread0Err0INUSE_VIOLATION, thread0Thread1of1ForFork4Err1INUSE_VIOLATION, thread0Thread1of1ForFork4Err4INUSE_VIOLATION, ULTIMATE.startErr7INUSE_VIOLATION, thread0Thread1of1ForFork4Err5INUSE_VIOLATION, thread0Thread1of1ForFork4Err10INUSE_VIOLATION, thread0Err9INUSE_VIOLATION, thread0Err3INUSE_VIOLATION, thread0Err8INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, thread0Thread1of1ForFork4Err2INUSE_VIOLATION]=== [2021-03-26 08:26:08,507 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 08:26:08,507 INFO L82 PathProgramCache]: Analyzing trace with hash 487627517, now seen corresponding path program 1 times [2021-03-26 08:26:08,507 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 08:26:08,507 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1388017812] [2021-03-26 08:26:08,507 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 08:26:08,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 08:26:08,522 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:26:08,522 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 08:26:08,526 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:26:08,527 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 08:26:08,531 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:26:08,532 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:26:08,535 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:26:08,535 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-26 08:26:08,539 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:26:08,539 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:26:08,540 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 08:26:08,540 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1388017812] [2021-03-26 08:26:08,540 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 08:26:08,540 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-03-26 08:26:08,540 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1996811090] [2021-03-26 08:26:08,540 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-03-26 08:26:08,540 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 08:26:08,541 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-03-26 08:26:08,541 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-03-26 08:26:08,542 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 182 out of 346 [2021-03-26 08:26:08,542 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 212 places, 245 transitions, 4370 flow. Second operand has 6 states, 6 states have (on average 184.5) internal successors, (1107), 6 states have internal predecessors, (1107), 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) [2021-03-26 08:26:08,542 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 08:26:08,543 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 182 of 346 [2021-03-26 08:26:08,543 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 08:26:10,834 INFO L129 PetriNetUnfolder]: 10649/16291 cut-off events. [2021-03-26 08:26:10,835 INFO L130 PetriNetUnfolder]: For 294025/294411 co-relation queries the response was YES. [2021-03-26 08:26:10,924 INFO L84 FinitePrefix]: Finished finitePrefix Result has 81387 conditions, 16291 events. 10649/16291 cut-off events. For 294025/294411 co-relation queries the response was YES. Maximal size of possible extension queue 926. Compared 107921 event pairs, 2438 based on Foata normal form. 234/12369 useless extension candidates. Maximal degree in co-relation 81033. Up to 10169 conditions per place. [2021-03-26 08:26:10,960 INFO L132 encePairwiseOnDemand]: 338/346 looper letters, 222 selfloop transitions, 14 changer transitions 6/298 dead transitions. [2021-03-26 08:26:10,960 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 219 places, 298 transitions, 5613 flow [2021-03-26 08:26:10,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 08:26:10,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 08:26:10,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 1537 transitions. [2021-03-26 08:26:10,962 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5552745664739884 [2021-03-26 08:26:10,962 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 1537 transitions. [2021-03-26 08:26:10,962 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 1537 transitions. [2021-03-26 08:26:10,962 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 08:26:10,962 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 1537 transitions. [2021-03-26 08:26:10,963 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 192.125) internal successors, (1537), 8 states have internal predecessors, (1537), 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) [2021-03-26 08:26:10,964 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 346.0) internal successors, (3114), 9 states have internal predecessors, (3114), 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) [2021-03-26 08:26:10,965 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 346.0) internal successors, (3114), 9 states have internal predecessors, (3114), 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) [2021-03-26 08:26:10,965 INFO L185 Difference]: Start difference. First operand has 212 places, 245 transitions, 4370 flow. Second operand 8 states and 1537 transitions. [2021-03-26 08:26:10,965 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 219 places, 298 transitions, 5613 flow [2021-03-26 08:26:11,348 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 206 places, 298 transitions, 5401 flow, removed 25 selfloop flow, removed 13 redundant places. [2021-03-26 08:26:11,352 INFO L241 Difference]: Finished difference. Result has 208 places, 241 transitions, 4087 flow [2021-03-26 08:26:11,352 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=346, PETRI_DIFFERENCE_MINUEND_FLOW=4062, PETRI_DIFFERENCE_MINUEND_PLACES=199, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=241, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=13, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=227, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=4087, PETRI_PLACES=208, PETRI_TRANSITIONS=241} [2021-03-26 08:26:11,352 INFO L343 CegarLoopForPetriNet]: 63 programPoint places, 145 predicate places. [2021-03-26 08:26:11,352 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 08:26:11,352 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 208 places, 241 transitions, 4087 flow [2021-03-26 08:26:11,352 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 208 places, 241 transitions, 4087 flow [2021-03-26 08:26:11,354 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 208 places, 241 transitions, 4087 flow [2021-03-26 08:26:11,863 INFO L129 PetriNetUnfolder]: 4096/7437 cut-off events. [2021-03-26 08:26:11,863 INFO L130 PetriNetUnfolder]: For 37687/38401 co-relation queries the response was YES. [2021-03-26 08:26:11,916 INFO L84 FinitePrefix]: Finished finitePrefix Result has 19507 conditions, 7437 events. 4096/7437 cut-off events. For 37687/38401 co-relation queries the response was YES. Maximal size of possible extension queue 631. Compared 57758 event pairs, 19 based on Foata normal form. 72/4898 useless extension candidates. Maximal degree in co-relation 19305. Up to 2048 conditions per place. [2021-03-26 08:26:12,203 INFO L142 LiptonReduction]: Number of co-enabled transitions 2272 [2021-03-26 08:26:12,318 INFO L154 LiptonReduction]: Checked pairs total: 48 [2021-03-26 08:26:12,319 INFO L156 LiptonReduction]: Total number of compositions: 2 [2021-03-26 08:26:12,319 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 967 [2021-03-26 08:26:12,319 INFO L480 AbstractCegarLoop]: Abstraction has has 207 places, 240 transitions, 4089 flow [2021-03-26 08:26:12,320 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 184.5) internal successors, (1107), 6 states have internal predecessors, (1107), 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) [2021-03-26 08:26:12,320 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 08:26:12,320 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 08:26:12,320 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2021-03-26 08:26:12,320 INFO L428 AbstractCegarLoop]: === Iteration 35 === [thread0Err6INUSE_VIOLATION, thread0Err0INUSE_VIOLATION, thread0Thread1of1ForFork4Err1INUSE_VIOLATION, thread0Thread1of1ForFork4Err4INUSE_VIOLATION, ULTIMATE.startErr7INUSE_VIOLATION, thread0Thread1of1ForFork4Err5INUSE_VIOLATION, thread0Thread1of1ForFork4Err10INUSE_VIOLATION, thread0Err9INUSE_VIOLATION, thread0Err3INUSE_VIOLATION, thread0Err8INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, thread0Thread1of1ForFork4Err2INUSE_VIOLATION]=== [2021-03-26 08:26:12,320 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 08:26:12,320 INFO L82 PathProgramCache]: Analyzing trace with hash 1269875945, now seen corresponding path program 2 times [2021-03-26 08:26:12,320 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 08:26:12,320 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019224641] [2021-03-26 08:26:12,320 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 08:26:12,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 08:26:12,338 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:26:12,338 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 08:26:12,343 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:26:12,344 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-26 08:26:12,356 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:26:12,356 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-26 08:26:12,367 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:26:12,367 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 08:26:12,374 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:26:12,375 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 08:26:12,381 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:26:12,381 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-26 08:26:12,387 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:26:12,387 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:26:12,387 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 08:26:12,387 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019224641] [2021-03-26 08:26:12,387 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 08:26:12,387 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 08:26:12,388 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1611278450] [2021-03-26 08:26:12,388 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 08:26:12,388 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 08:26:12,388 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 08:26:12,388 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2021-03-26 08:26:12,390 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 181 out of 348 [2021-03-26 08:26:12,390 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 207 places, 240 transitions, 4089 flow. Second operand has 8 states, 8 states have (on average 182.875) internal successors, (1463), 8 states have internal predecessors, (1463), 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) [2021-03-26 08:26:12,390 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 08:26:12,390 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 181 of 348 [2021-03-26 08:26:12,391 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 08:26:14,392 INFO L129 PetriNetUnfolder]: 10190/15691 cut-off events. [2021-03-26 08:26:14,392 INFO L130 PetriNetUnfolder]: For 263572/263975 co-relation queries the response was YES. [2021-03-26 08:26:14,496 INFO L84 FinitePrefix]: Finished finitePrefix Result has 77596 conditions, 15691 events. 10190/15691 cut-off events. For 263572/263975 co-relation queries the response was YES. Maximal size of possible extension queue 886. Compared 104310 event pairs, 2230 based on Foata normal form. 187/11869 useless extension candidates. Maximal degree in co-relation 77508. Up to 8532 conditions per place. [2021-03-26 08:26:14,540 INFO L132 encePairwiseOnDemand]: 338/348 looper letters, 207 selfloop transitions, 27 changer transitions 4/294 dead transitions. [2021-03-26 08:26:14,540 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 216 places, 294 transitions, 5339 flow [2021-03-26 08:26:14,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-26 08:26:14,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-03-26 08:26:14,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 1896 transitions. [2021-03-26 08:26:14,542 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5448275862068965 [2021-03-26 08:26:14,542 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 1896 transitions. [2021-03-26 08:26:14,542 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 1896 transitions. [2021-03-26 08:26:14,542 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 08:26:14,542 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 1896 transitions. [2021-03-26 08:26:14,544 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 189.6) internal successors, (1896), 10 states have internal predecessors, (1896), 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) [2021-03-26 08:26:14,546 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 348.0) internal successors, (3828), 11 states have internal predecessors, (3828), 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) [2021-03-26 08:26:14,546 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 348.0) internal successors, (3828), 11 states have internal predecessors, (3828), 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) [2021-03-26 08:26:14,546 INFO L185 Difference]: Start difference. First operand has 207 places, 240 transitions, 4089 flow. Second operand 10 states and 1896 transitions. [2021-03-26 08:26:14,546 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 216 places, 294 transitions, 5339 flow [2021-03-26 08:26:15,093 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 210 places, 294 transitions, 5303 flow, removed 4 selfloop flow, removed 6 redundant places. [2021-03-26 08:26:15,096 INFO L241 Difference]: Finished difference. Result has 212 places, 239 transitions, 4070 flow [2021-03-26 08:26:15,096 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=348, PETRI_DIFFERENCE_MINUEND_FLOW=3990, PETRI_DIFFERENCE_MINUEND_PLACES=201, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=238, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=26, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=211, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=4070, PETRI_PLACES=212, PETRI_TRANSITIONS=239} [2021-03-26 08:26:15,097 INFO L343 CegarLoopForPetriNet]: 63 programPoint places, 149 predicate places. [2021-03-26 08:26:15,097 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 08:26:15,097 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 212 places, 239 transitions, 4070 flow [2021-03-26 08:26:15,097 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 212 places, 239 transitions, 4070 flow [2021-03-26 08:26:15,098 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 212 places, 239 transitions, 4070 flow [2021-03-26 08:26:15,592 INFO L129 PetriNetUnfolder]: 4065/7387 cut-off events. [2021-03-26 08:26:15,592 INFO L130 PetriNetUnfolder]: For 35985/36669 co-relation queries the response was YES. [2021-03-26 08:26:15,641 INFO L84 FinitePrefix]: Finished finitePrefix Result has 19390 conditions, 7387 events. 4065/7387 cut-off events. For 35985/36669 co-relation queries the response was YES. Maximal size of possible extension queue 630. Compared 57451 event pairs, 19 based on Foata normal form. 71/4874 useless extension candidates. Maximal degree in co-relation 19302. Up to 2048 conditions per place. [2021-03-26 08:26:15,714 INFO L142 LiptonReduction]: Number of co-enabled transitions 2064 [2021-03-26 08:26:15,722 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 08:26:15,722 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 08:26:15,722 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 625 [2021-03-26 08:26:15,723 INFO L480 AbstractCegarLoop]: Abstraction has has 212 places, 239 transitions, 4070 flow [2021-03-26 08:26:15,723 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 182.875) internal successors, (1463), 8 states have internal predecessors, (1463), 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) [2021-03-26 08:26:15,723 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 08:26:15,723 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 08:26:15,723 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2021-03-26 08:26:15,723 INFO L428 AbstractCegarLoop]: === Iteration 36 === [thread0Err6INUSE_VIOLATION, thread0Err0INUSE_VIOLATION, thread0Thread1of1ForFork4Err1INUSE_VIOLATION, thread0Thread1of1ForFork4Err4INUSE_VIOLATION, ULTIMATE.startErr7INUSE_VIOLATION, thread0Thread1of1ForFork4Err5INUSE_VIOLATION, thread0Thread1of1ForFork4Err10INUSE_VIOLATION, thread0Err9INUSE_VIOLATION, thread0Err3INUSE_VIOLATION, thread0Err8INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, thread0Thread1of1ForFork4Err2INUSE_VIOLATION]=== [2021-03-26 08:26:15,723 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 08:26:15,723 INFO L82 PathProgramCache]: Analyzing trace with hash -240802259, now seen corresponding path program 3 times [2021-03-26 08:26:15,724 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 08:26:15,724 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [540696504] [2021-03-26 08:26:15,724 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 08:26:15,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 08:26:15,743 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:26:15,743 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 08:26:15,748 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:26:15,749 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 08:26:15,761 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:26:15,762 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-26 08:26:15,774 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:26:15,775 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-26 08:26:15,787 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:26:15,787 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 08:26:15,794 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:26:15,795 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 08:26:15,802 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:26:15,802 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-26 08:26:15,808 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:26:15,808 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:26:15,808 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 08:26:15,809 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [540696504] [2021-03-26 08:26:15,809 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 08:26:15,809 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 08:26:15,809 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2094686658] [2021-03-26 08:26:15,809 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-26 08:26:15,809 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 08:26:15,809 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-26 08:26:15,809 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2021-03-26 08:26:15,810 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 180 out of 348 [2021-03-26 08:26:15,811 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 212 places, 239 transitions, 4070 flow. Second operand has 9 states, 9 states have (on average 181.66666666666666) internal successors, (1635), 9 states have internal predecessors, (1635), 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) [2021-03-26 08:26:15,811 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 08:26:15,811 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 180 of 348 [2021-03-26 08:26:15,811 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 08:26:17,992 INFO L129 PetriNetUnfolder]: 9805/15203 cut-off events. [2021-03-26 08:26:17,992 INFO L130 PetriNetUnfolder]: For 240981/241378 co-relation queries the response was YES. [2021-03-26 08:26:18,075 INFO L84 FinitePrefix]: Finished finitePrefix Result has 75015 conditions, 15203 events. 9805/15203 cut-off events. For 240981/241378 co-relation queries the response was YES. Maximal size of possible extension queue 855. Compared 101638 event pairs, 2086 based on Foata normal form. 189/11525 useless extension candidates. Maximal degree in co-relation 74922. Up to 8068 conditions per place. [2021-03-26 08:26:18,115 INFO L132 encePairwiseOnDemand]: 337/348 looper letters, 191 selfloop transitions, 44 changer transitions 4/295 dead transitions. [2021-03-26 08:26:18,115 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 223 places, 295 transitions, 5336 flow [2021-03-26 08:26:18,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-26 08:26:18,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-03-26 08:26:18,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 2249 transitions. [2021-03-26 08:26:18,117 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5385536398467433 [2021-03-26 08:26:18,118 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 2249 transitions. [2021-03-26 08:26:18,118 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 2249 transitions. [2021-03-26 08:26:18,118 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 08:26:18,118 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 2249 transitions. [2021-03-26 08:26:18,120 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 187.41666666666666) internal successors, (2249), 12 states have internal predecessors, (2249), 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) [2021-03-26 08:26:18,123 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 348.0) internal successors, (4524), 13 states have internal predecessors, (4524), 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) [2021-03-26 08:26:18,123 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 348.0) internal successors, (4524), 13 states have internal predecessors, (4524), 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) [2021-03-26 08:26:18,123 INFO L185 Difference]: Start difference. First operand has 212 places, 239 transitions, 4070 flow. Second operand 12 states and 2249 transitions. [2021-03-26 08:26:18,123 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 223 places, 295 transitions, 5336 flow [2021-03-26 08:26:18,483 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 214 places, 295 transitions, 5244 flow, removed 19 selfloop flow, removed 9 redundant places. [2021-03-26 08:26:18,487 INFO L241 Difference]: Finished difference. Result has 216 places, 237 transitions, 4007 flow [2021-03-26 08:26:18,487 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=348, PETRI_DIFFERENCE_MINUEND_FLOW=3888, PETRI_DIFFERENCE_MINUEND_PLACES=203, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=236, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=43, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=192, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=4007, PETRI_PLACES=216, PETRI_TRANSITIONS=237} [2021-03-26 08:26:18,487 INFO L343 CegarLoopForPetriNet]: 63 programPoint places, 153 predicate places. [2021-03-26 08:26:18,487 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 08:26:18,488 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 216 places, 237 transitions, 4007 flow [2021-03-26 08:26:18,488 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 216 places, 237 transitions, 4007 flow [2021-03-26 08:26:18,489 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 216 places, 237 transitions, 4007 flow [2021-03-26 08:26:18,979 INFO L129 PetriNetUnfolder]: 4035/7352 cut-off events. [2021-03-26 08:26:18,979 INFO L130 PetriNetUnfolder]: For 34798/35585 co-relation queries the response was YES. [2021-03-26 08:26:19,031 INFO L84 FinitePrefix]: Finished finitePrefix Result has 19139 conditions, 7352 events. 4035/7352 cut-off events. For 34798/35585 co-relation queries the response was YES. Maximal size of possible extension queue 634. Compared 57292 event pairs, 19 based on Foata normal form. 95/4886 useless extension candidates. Maximal degree in co-relation 19051. Up to 2048 conditions per place. [2021-03-26 08:26:19,332 INFO L142 LiptonReduction]: Number of co-enabled transitions 1904 [2021-03-26 08:26:19,340 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 08:26:19,340 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 08:26:19,340 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 853 [2021-03-26 08:26:19,340 INFO L480 AbstractCegarLoop]: Abstraction has has 216 places, 237 transitions, 4007 flow [2021-03-26 08:26:19,341 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 181.66666666666666) internal successors, (1635), 9 states have internal predecessors, (1635), 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) [2021-03-26 08:26:19,341 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 08:26:19,341 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 08:26:19,341 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2021-03-26 08:26:19,341 INFO L428 AbstractCegarLoop]: === Iteration 37 === [thread0Err6INUSE_VIOLATION, thread0Err0INUSE_VIOLATION, thread0Thread1of1ForFork4Err1INUSE_VIOLATION, thread0Thread1of1ForFork4Err4INUSE_VIOLATION, ULTIMATE.startErr7INUSE_VIOLATION, thread0Thread1of1ForFork4Err5INUSE_VIOLATION, thread0Thread1of1ForFork4Err10INUSE_VIOLATION, thread0Err9INUSE_VIOLATION, thread0Err3INUSE_VIOLATION, thread0Err8INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, thread0Thread1of1ForFork4Err2INUSE_VIOLATION]=== [2021-03-26 08:26:19,341 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 08:26:19,341 INFO L82 PathProgramCache]: Analyzing trace with hash -1311261863, now seen corresponding path program 4 times [2021-03-26 08:26:19,341 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 08:26:19,342 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [878304324] [2021-03-26 08:26:19,342 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 08:26:19,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 08:26:19,369 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:26:19,370 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 08:26:19,375 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:26:19,375 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 08:26:19,389 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:26:19,389 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 08:26:19,404 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:26:19,405 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-26 08:26:19,418 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:26:19,419 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-26 08:26:19,431 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:26:19,432 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 08:26:19,439 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:26:19,439 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 08:26:19,446 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:26:19,446 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-26 08:26:19,452 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:26:19,452 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:26:19,453 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 08:26:19,453 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [878304324] [2021-03-26 08:26:19,453 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 08:26:19,453 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 08:26:19,453 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [382981363] [2021-03-26 08:26:19,454 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-26 08:26:19,454 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 08:26:19,455 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-26 08:26:19,455 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2021-03-26 08:26:19,457 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 179 out of 348 [2021-03-26 08:26:19,457 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 216 places, 237 transitions, 4007 flow. Second operand has 10 states, 10 states have (on average 180.5) internal successors, (1805), 10 states have internal predecessors, (1805), 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) [2021-03-26 08:26:19,457 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 08:26:19,458 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 179 of 348 [2021-03-26 08:26:19,458 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 08:26:21,416 INFO L129 PetriNetUnfolder]: 9397/14685 cut-off events. [2021-03-26 08:26:21,416 INFO L130 PetriNetUnfolder]: For 228483/228841 co-relation queries the response was YES. [2021-03-26 08:26:21,513 INFO L84 FinitePrefix]: Finished finitePrefix Result has 71764 conditions, 14685 events. 9397/14685 cut-off events. For 228483/228841 co-relation queries the response was YES. Maximal size of possible extension queue 822. Compared 98644 event pairs, 1927 based on Foata normal form. 192/11156 useless extension candidates. Maximal degree in co-relation 71671. Up to 7572 conditions per place. [2021-03-26 08:26:21,548 INFO L132 encePairwiseOnDemand]: 336/348 looper letters, 178 selfloop transitions, 54 changer transitions 5/293 dead transitions. [2021-03-26 08:26:21,548 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 227 places, 293 transitions, 5298 flow [2021-03-26 08:26:21,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-26 08:26:21,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-03-26 08:26:21,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 2239 transitions. [2021-03-26 08:26:21,550 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5361590038314177 [2021-03-26 08:26:21,550 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 2239 transitions. [2021-03-26 08:26:21,550 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 2239 transitions. [2021-03-26 08:26:21,550 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 08:26:21,550 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 2239 transitions. [2021-03-26 08:26:21,552 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 186.58333333333334) internal successors, (2239), 12 states have internal predecessors, (2239), 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) [2021-03-26 08:26:21,554 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 348.0) internal successors, (4524), 13 states have internal predecessors, (4524), 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) [2021-03-26 08:26:21,554 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 348.0) internal successors, (4524), 13 states have internal predecessors, (4524), 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) [2021-03-26 08:26:21,554 INFO L185 Difference]: Start difference. First operand has 216 places, 237 transitions, 4007 flow. Second operand 12 states and 2239 transitions. [2021-03-26 08:26:21,554 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 227 places, 293 transitions, 5298 flow [2021-03-26 08:26:21,988 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 216 places, 293 transitions, 5185 flow, removed 10 selfloop flow, removed 11 redundant places. [2021-03-26 08:26:21,992 INFO L241 Difference]: Finished difference. Result has 218 places, 238 transitions, 4045 flow [2021-03-26 08:26:21,992 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=348, PETRI_DIFFERENCE_MINUEND_FLOW=3810, PETRI_DIFFERENCE_MINUEND_PLACES=205, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=233, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=49, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=183, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=4045, PETRI_PLACES=218, PETRI_TRANSITIONS=238} [2021-03-26 08:26:21,992 INFO L343 CegarLoopForPetriNet]: 63 programPoint places, 155 predicate places. [2021-03-26 08:26:21,992 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 08:26:21,992 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 218 places, 238 transitions, 4045 flow [2021-03-26 08:26:21,993 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 218 places, 238 transitions, 4045 flow [2021-03-26 08:26:21,994 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 218 places, 238 transitions, 4045 flow [2021-03-26 08:26:22,605 INFO L129 PetriNetUnfolder]: 4019/7365 cut-off events. [2021-03-26 08:26:22,605 INFO L130 PetriNetUnfolder]: For 31578/31752 co-relation queries the response was YES. [2021-03-26 08:26:22,655 INFO L84 FinitePrefix]: Finished finitePrefix Result has 19175 conditions, 7365 events. 4019/7365 cut-off events. For 31578/31752 co-relation queries the response was YES. Maximal size of possible extension queue 628. Compared 57851 event pairs, 23 based on Foata normal form. 61/4866 useless extension candidates. Maximal degree in co-relation 19085. Up to 2052 conditions per place. [2021-03-26 08:26:22,725 INFO L142 LiptonReduction]: Number of co-enabled transitions 1744 [2021-03-26 08:26:22,736 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 08:26:22,736 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 08:26:22,736 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 744 [2021-03-26 08:26:22,737 INFO L480 AbstractCegarLoop]: Abstraction has has 218 places, 238 transitions, 4045 flow [2021-03-26 08:26:22,737 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 180.5) internal successors, (1805), 10 states have internal predecessors, (1805), 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) [2021-03-26 08:26:22,737 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 08:26:22,737 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 08:26:22,737 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2021-03-26 08:26:22,737 INFO L428 AbstractCegarLoop]: === Iteration 38 === [thread0Err6INUSE_VIOLATION, thread0Err0INUSE_VIOLATION, thread0Thread1of1ForFork4Err1INUSE_VIOLATION, thread0Thread1of1ForFork4Err4INUSE_VIOLATION, ULTIMATE.startErr7INUSE_VIOLATION, thread0Thread1of1ForFork4Err5INUSE_VIOLATION, thread0Thread1of1ForFork4Err10INUSE_VIOLATION, thread0Err9INUSE_VIOLATION, thread0Err3INUSE_VIOLATION, thread0Err8INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, thread0Thread1of1ForFork4Err2INUSE_VIOLATION]=== [2021-03-26 08:26:22,737 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 08:26:22,737 INFO L82 PathProgramCache]: Analyzing trace with hash -1399198597, now seen corresponding path program 5 times [2021-03-26 08:26:22,738 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 08:26:22,738 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2008094707] [2021-03-26 08:26:22,738 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 08:26:22,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 08:26:22,757 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:26:22,757 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 08:26:22,761 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:26:22,762 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-03-26 08:26:22,771 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:26:22,772 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-26 08:26:22,782 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:26:22,782 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-26 08:26:22,792 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:26:22,792 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-26 08:26:22,801 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:26:22,802 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 08:26:22,811 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:26:22,812 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 08:26:22,819 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:26:22,819 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:26:22,825 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:26:22,825 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-26 08:26:22,831 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:26:22,832 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:26:22,832 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 08:26:22,832 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2008094707] [2021-03-26 08:26:22,832 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 08:26:22,832 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-03-26 08:26:22,832 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1233063843] [2021-03-26 08:26:22,832 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 08:26:22,833 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 08:26:22,833 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 08:26:22,833 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2021-03-26 08:26:22,835 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 177 out of 348 [2021-03-26 08:26:22,849 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 218 places, 238 transitions, 4045 flow. Second operand has 11 states, 11 states have (on average 178.36363636363637) internal successors, (1962), 11 states have internal predecessors, (1962), 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) [2021-03-26 08:26:22,850 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 08:26:22,850 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 177 of 348 [2021-03-26 08:26:22,850 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 08:26:25,052 INFO L129 PetriNetUnfolder]: 10306/16076 cut-off events. [2021-03-26 08:26:25,053 INFO L130 PetriNetUnfolder]: For 250792/251139 co-relation queries the response was YES. [2021-03-26 08:26:25,161 INFO L84 FinitePrefix]: Finished finitePrefix Result has 79488 conditions, 16076 events. 10306/16076 cut-off events. For 250792/251139 co-relation queries the response was YES. Maximal size of possible extension queue 905. Compared 109232 event pairs, 1865 based on Foata normal form. 121/12127 useless extension candidates. Maximal degree in co-relation 79393. Up to 5591 conditions per place. [2021-03-26 08:26:25,190 INFO L132 encePairwiseOnDemand]: 337/348 looper letters, 201 selfloop transitions, 70 changer transitions 8/335 dead transitions. [2021-03-26 08:26:25,190 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 226 places, 335 transitions, 5900 flow [2021-03-26 08:26:25,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-26 08:26:25,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-26 08:26:25,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 1709 transitions. [2021-03-26 08:26:25,192 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5456577266922095 [2021-03-26 08:26:25,192 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 1709 transitions. [2021-03-26 08:26:25,192 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 1709 transitions. [2021-03-26 08:26:25,193 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 08:26:25,193 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 1709 transitions. [2021-03-26 08:26:25,194 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 189.88888888888889) internal successors, (1709), 9 states have internal predecessors, (1709), 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) [2021-03-26 08:26:25,195 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 348.0) internal successors, (3480), 10 states have internal predecessors, (3480), 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) [2021-03-26 08:26:25,196 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 348.0) internal successors, (3480), 10 states have internal predecessors, (3480), 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) [2021-03-26 08:26:25,196 INFO L185 Difference]: Start difference. First operand has 218 places, 238 transitions, 4045 flow. Second operand 9 states and 1709 transitions. [2021-03-26 08:26:25,196 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 226 places, 335 transitions, 5900 flow [2021-03-26 08:26:25,572 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 220 places, 335 transitions, 5820 flow, removed 8 selfloop flow, removed 6 redundant places. [2021-03-26 08:26:25,576 INFO L241 Difference]: Finished difference. Result has 225 places, 256 transitions, 4602 flow [2021-03-26 08:26:25,577 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=348, PETRI_DIFFERENCE_MINUEND_FLOW=3965, PETRI_DIFFERENCE_MINUEND_PLACES=212, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=238, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=52, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=180, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=4602, PETRI_PLACES=225, PETRI_TRANSITIONS=256} [2021-03-26 08:26:25,577 INFO L343 CegarLoopForPetriNet]: 63 programPoint places, 162 predicate places. [2021-03-26 08:26:25,577 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 08:26:25,577 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 225 places, 256 transitions, 4602 flow [2021-03-26 08:26:25,577 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 225 places, 256 transitions, 4602 flow [2021-03-26 08:26:25,579 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 225 places, 256 transitions, 4602 flow [2021-03-26 08:26:26,142 INFO L129 PetriNetUnfolder]: 4440/8142 cut-off events. [2021-03-26 08:26:26,142 INFO L130 PetriNetUnfolder]: For 43756/44053 co-relation queries the response was YES. [2021-03-26 08:26:26,198 INFO L84 FinitePrefix]: Finished finitePrefix Result has 21774 conditions, 8142 events. 4440/8142 cut-off events. For 43756/44053 co-relation queries the response was YES. Maximal size of possible extension queue 699. Compared 65481 event pairs, 32 based on Foata normal form. 125/5402 useless extension candidates. Maximal degree in co-relation 21677. Up to 2292 conditions per place. [2021-03-26 08:26:26,503 INFO L142 LiptonReduction]: Number of co-enabled transitions 1904 [2021-03-26 08:26:26,512 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 08:26:26,512 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 08:26:26,512 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 935 [2021-03-26 08:26:26,513 INFO L480 AbstractCegarLoop]: Abstraction has has 225 places, 256 transitions, 4602 flow [2021-03-26 08:26:26,513 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 178.36363636363637) internal successors, (1962), 11 states have internal predecessors, (1962), 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) [2021-03-26 08:26:26,513 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 08:26:26,513 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 08:26:26,513 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2021-03-26 08:26:26,513 INFO L428 AbstractCegarLoop]: === Iteration 39 === [thread0Err6INUSE_VIOLATION, thread0Err0INUSE_VIOLATION, thread0Thread1of1ForFork4Err1INUSE_VIOLATION, thread0Thread1of1ForFork4Err4INUSE_VIOLATION, ULTIMATE.startErr7INUSE_VIOLATION, thread0Thread1of1ForFork4Err5INUSE_VIOLATION, thread0Thread1of1ForFork4Err10INUSE_VIOLATION, thread0Err9INUSE_VIOLATION, thread0Err3INUSE_VIOLATION, thread0Err8INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, thread0Thread1of1ForFork4Err2INUSE_VIOLATION]=== [2021-03-26 08:26:26,513 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 08:26:26,513 INFO L82 PathProgramCache]: Analyzing trace with hash -924061497, now seen corresponding path program 6 times [2021-03-26 08:26:26,513 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 08:26:26,514 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [918197758] [2021-03-26 08:26:26,514 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 08:26:26,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 08:26:26,544 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:26:26,544 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 08:26:26,549 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:26:26,550 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-26 08:26:26,561 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:26:26,562 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-26 08:26:26,581 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:26:26,581 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-26 08:26:26,601 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:26:26,602 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 08:26:26,626 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:26:26,627 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 08:26:26,647 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:26:26,648 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-26 08:26:26,668 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:26:26,668 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-26 08:26:26,687 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:26:26,688 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-26 08:26:26,713 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:26:26,714 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-26 08:26:26,724 INFO L142 QuantifierPusher]: treesize reduction 16, result has 33.3 percent of original size [2021-03-26 08:26:26,724 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-26 08:26:26,734 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:26:26,734 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-26 08:26:26,743 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:26:26,744 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:26:26,744 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 08:26:26,744 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [918197758] [2021-03-26 08:26:26,744 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 08:26:26,744 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-03-26 08:26:26,745 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1595275314] [2021-03-26 08:26:26,745 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-03-26 08:26:26,745 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 08:26:26,745 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-03-26 08:26:26,745 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=118, Unknown=0, NotChecked=0, Total=156 [2021-03-26 08:26:26,747 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 175 out of 348 [2021-03-26 08:26:26,748 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 225 places, 256 transitions, 4602 flow. Second operand has 13 states, 13 states have (on average 176.15384615384616) internal successors, (2290), 13 states have internal predecessors, (2290), 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) [2021-03-26 08:26:26,748 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 08:26:26,748 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 175 of 348 [2021-03-26 08:26:26,748 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 08:26:29,765 INFO L129 PetriNetUnfolder]: 11541/18353 cut-off events. [2021-03-26 08:26:29,765 INFO L130 PetriNetUnfolder]: For 313730/314152 co-relation queries the response was YES. [2021-03-26 08:26:29,883 INFO L84 FinitePrefix]: Finished finitePrefix Result has 93015 conditions, 18353 events. 11541/18353 cut-off events. For 313730/314152 co-relation queries the response was YES. Maximal size of possible extension queue 1091. Compared 132726 event pairs, 656 based on Foata normal form. 204/14154 useless extension candidates. Maximal degree in co-relation 92913. Up to 9348 conditions per place. [2021-03-26 08:26:29,915 INFO L132 encePairwiseOnDemand]: 325/348 looper letters, 168 selfloop transitions, 84 changer transitions 10/318 dead transitions. [2021-03-26 08:26:29,915 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 236 places, 318 transitions, 5940 flow [2021-03-26 08:26:29,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-26 08:26:29,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-03-26 08:26:29,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 2202 transitions. [2021-03-26 08:26:29,917 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5272988505747126 [2021-03-26 08:26:29,917 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 2202 transitions. [2021-03-26 08:26:29,917 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 2202 transitions. [2021-03-26 08:26:29,917 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 08:26:29,917 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 2202 transitions. [2021-03-26 08:26:29,918 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 183.5) internal successors, (2202), 12 states have internal predecessors, (2202), 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) [2021-03-26 08:26:29,920 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 348.0) internal successors, (4524), 13 states have internal predecessors, (4524), 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) [2021-03-26 08:26:29,920 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 348.0) internal successors, (4524), 13 states have internal predecessors, (4524), 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) [2021-03-26 08:26:29,920 INFO L185 Difference]: Start difference. First operand has 225 places, 256 transitions, 4602 flow. Second operand 12 states and 2202 transitions. [2021-03-26 08:26:29,920 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 236 places, 318 transitions, 5940 flow [2021-03-26 08:26:30,502 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 233 places, 318 transitions, 5881 flow, removed 19 selfloop flow, removed 3 redundant places. [2021-03-26 08:26:30,506 INFO L241 Difference]: Finished difference. Result has 238 places, 269 transitions, 5047 flow [2021-03-26 08:26:30,506 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=348, PETRI_DIFFERENCE_MINUEND_FLOW=4508, PETRI_DIFFERENCE_MINUEND_PLACES=222, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=254, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=68, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=176, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=5047, PETRI_PLACES=238, PETRI_TRANSITIONS=269} [2021-03-26 08:26:30,507 INFO L343 CegarLoopForPetriNet]: 63 programPoint places, 175 predicate places. [2021-03-26 08:26:30,507 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 08:26:30,507 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 238 places, 269 transitions, 5047 flow [2021-03-26 08:26:30,507 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 238 places, 269 transitions, 5047 flow [2021-03-26 08:26:30,509 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 238 places, 269 transitions, 5047 flow [2021-03-26 08:26:31,449 INFO L129 PetriNetUnfolder]: 5268/9828 cut-off events. [2021-03-26 08:26:31,450 INFO L130 PetriNetUnfolder]: For 56891/56975 co-relation queries the response was YES. [2021-03-26 08:26:31,516 INFO L84 FinitePrefix]: Finished finitePrefix Result has 26721 conditions, 9828 events. 5268/9828 cut-off events. For 56891/56975 co-relation queries the response was YES. Maximal size of possible extension queue 855. Compared 82810 event pairs, 12 based on Foata normal form. 38/6495 useless extension candidates. Maximal degree in co-relation 26619. Up to 2792 conditions per place. [2021-03-26 08:26:31,602 INFO L142 LiptonReduction]: Number of co-enabled transitions 1824 [2021-03-26 08:26:31,612 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 08:26:31,612 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 08:26:31,612 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1105 [2021-03-26 08:26:31,613 INFO L480 AbstractCegarLoop]: Abstraction has has 238 places, 269 transitions, 5047 flow [2021-03-26 08:26:31,613 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 176.15384615384616) internal successors, (2290), 13 states have internal predecessors, (2290), 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) [2021-03-26 08:26:31,613 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 08:26:31,613 INFO L263 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] [2021-03-26 08:26:31,613 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2021-03-26 08:26:31,613 INFO L428 AbstractCegarLoop]: === Iteration 40 === [thread0Err6INUSE_VIOLATION, thread0Err0INUSE_VIOLATION, thread0Thread1of1ForFork4Err1INUSE_VIOLATION, thread0Thread1of1ForFork4Err4INUSE_VIOLATION, ULTIMATE.startErr7INUSE_VIOLATION, thread0Thread1of1ForFork4Err5INUSE_VIOLATION, thread0Thread1of1ForFork4Err10INUSE_VIOLATION, thread0Err9INUSE_VIOLATION, thread0Err3INUSE_VIOLATION, thread0Err8INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, thread0Thread1of1ForFork4Err2INUSE_VIOLATION]=== [2021-03-26 08:26:31,613 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 08:26:31,613 INFO L82 PathProgramCache]: Analyzing trace with hash -1076838129, now seen corresponding path program 1 times [2021-03-26 08:26:31,613 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 08:26:31,613 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1379296621] [2021-03-26 08:26:31,613 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 08:26:31,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 08:26:31,636 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:26:31,637 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 08:26:31,642 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:26:31,642 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-26 08:26:31,651 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:26:31,652 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-26 08:26:31,662 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:26:31,662 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-26 08:26:31,671 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:26:31,672 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-26 08:26:31,681 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:26:31,682 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 08:26:31,691 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:26:31,692 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 08:26:31,699 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:26:31,699 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:26:31,705 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:26:31,706 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-26 08:26:31,713 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:26:31,713 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:26:31,713 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 08:26:31,713 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1379296621] [2021-03-26 08:26:31,713 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 08:26:31,714 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-03-26 08:26:31,714 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1018383023] [2021-03-26 08:26:31,714 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 08:26:31,714 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 08:26:31,714 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 08:26:31,714 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2021-03-26 08:26:31,716 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 177 out of 348 [2021-03-26 08:26:31,717 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 238 places, 269 transitions, 5047 flow. Second operand has 11 states, 11 states have (on average 178.45454545454547) internal successors, (1963), 11 states have internal predecessors, (1963), 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) [2021-03-26 08:26:31,717 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 08:26:31,717 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 177 of 348 [2021-03-26 08:26:31,717 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 08:26:34,195 INFO L129 PetriNetUnfolder]: 10452/16830 cut-off events. [2021-03-26 08:26:34,195 INFO L130 PetriNetUnfolder]: For 305598/305741 co-relation queries the response was YES. [2021-03-26 08:26:34,334 INFO L84 FinitePrefix]: Finished finitePrefix Result has 87268 conditions, 16830 events. 10452/16830 cut-off events. For 305598/305741 co-relation queries the response was YES. Maximal size of possible extension queue 990. Compared 122055 event pairs, 2105 based on Foata normal form. 186/12641 useless extension candidates. Maximal degree in co-relation 87161. Up to 6031 conditions per place. [2021-03-26 08:26:34,371 INFO L132 encePairwiseOnDemand]: 340/348 looper letters, 210 selfloop transitions, 52 changer transitions 0/318 dead transitions. [2021-03-26 08:26:34,371 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 245 places, 318 transitions, 6381 flow [2021-03-26 08:26:34,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 08:26:34,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 08:26:34,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 1491 transitions. [2021-03-26 08:26:34,373 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5355603448275862 [2021-03-26 08:26:34,373 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 1491 transitions. [2021-03-26 08:26:34,373 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 1491 transitions. [2021-03-26 08:26:34,373 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 08:26:34,373 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 1491 transitions. [2021-03-26 08:26:34,374 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 186.375) internal successors, (1491), 8 states have internal predecessors, (1491), 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) [2021-03-26 08:26:34,376 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 348.0) internal successors, (3132), 9 states have internal predecessors, (3132), 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) [2021-03-26 08:26:34,376 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 348.0) internal successors, (3132), 9 states have internal predecessors, (3132), 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) [2021-03-26 08:26:34,376 INFO L185 Difference]: Start difference. First operand has 238 places, 269 transitions, 5047 flow. Second operand 8 states and 1491 transitions. [2021-03-26 08:26:34,376 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 245 places, 318 transitions, 6381 flow [2021-03-26 08:26:35,072 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 242 places, 318 transitions, 6287 flow, removed 37 selfloop flow, removed 3 redundant places. [2021-03-26 08:26:35,077 INFO L241 Difference]: Finished difference. Result has 244 places, 265 transitions, 5002 flow [2021-03-26 08:26:35,077 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=348, PETRI_DIFFERENCE_MINUEND_FLOW=4834, PETRI_DIFFERENCE_MINUEND_PLACES=235, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=264, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=51, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=212, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=5002, PETRI_PLACES=244, PETRI_TRANSITIONS=265} [2021-03-26 08:26:35,077 INFO L343 CegarLoopForPetriNet]: 63 programPoint places, 181 predicate places. [2021-03-26 08:26:35,077 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 08:26:35,077 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 244 places, 265 transitions, 5002 flow [2021-03-26 08:26:35,078 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 244 places, 265 transitions, 5002 flow [2021-03-26 08:26:35,080 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 244 places, 265 transitions, 5002 flow [2021-03-26 08:26:36,226 INFO L129 PetriNetUnfolder]: 5213/9747 cut-off events. [2021-03-26 08:26:36,227 INFO L130 PetriNetUnfolder]: For 53472/53555 co-relation queries the response was YES. [2021-03-26 08:26:36,331 INFO L84 FinitePrefix]: Finished finitePrefix Result has 26081 conditions, 9747 events. 5213/9747 cut-off events. For 53472/53555 co-relation queries the response was YES. Maximal size of possible extension queue 851. Compared 82304 event pairs, 16 based on Foata normal form. 37/6443 useless extension candidates. Maximal degree in co-relation 25973. Up to 2780 conditions per place. [2021-03-26 08:26:36,453 INFO L142 LiptonReduction]: Number of co-enabled transitions 1472 [2021-03-26 08:26:36,466 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 08:26:36,466 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 08:26:36,467 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1390 [2021-03-26 08:26:36,467 INFO L480 AbstractCegarLoop]: Abstraction has has 244 places, 265 transitions, 5002 flow [2021-03-26 08:26:36,467 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 178.45454545454547) internal successors, (1963), 11 states have internal predecessors, (1963), 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) [2021-03-26 08:26:36,467 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 08:26:36,468 INFO L263 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] [2021-03-26 08:26:36,468 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2021-03-26 08:26:36,468 INFO L428 AbstractCegarLoop]: === Iteration 41 === [thread0Err6INUSE_VIOLATION, thread0Err0INUSE_VIOLATION, thread0Thread1of1ForFork4Err1INUSE_VIOLATION, thread0Thread1of1ForFork4Err4INUSE_VIOLATION, ULTIMATE.startErr7INUSE_VIOLATION, thread0Thread1of1ForFork4Err5INUSE_VIOLATION, thread0Thread1of1ForFork4Err10INUSE_VIOLATION, thread0Err9INUSE_VIOLATION, thread0Err3INUSE_VIOLATION, thread0Err8INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, thread0Thread1of1ForFork4Err2INUSE_VIOLATION]=== [2021-03-26 08:26:36,469 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 08:26:36,469 INFO L82 PathProgramCache]: Analyzing trace with hash -55935116, now seen corresponding path program 1 times [2021-03-26 08:26:36,469 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 08:26:36,469 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1595599497] [2021-03-26 08:26:36,469 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 08:26:36,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 08:26:36,564 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:26:36,565 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 08:26:36,571 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:26:36,572 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 08:26:36,585 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:26:36,585 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-26 08:26:36,598 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:26:36,599 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-03-26 08:26:36,611 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:26:36,616 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-26 08:26:36,630 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:26:36,631 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-26 08:26:36,644 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:26:36,645 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-26 08:26:36,658 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:26:36,659 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-26 08:26:36,669 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:26:36,670 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 08:26:36,679 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:26:36,680 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-26 08:26:36,688 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:26:36,688 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-26 08:26:36,697 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:26:36,697 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:26:36,698 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 08:26:36,698 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1595599497] [2021-03-26 08:26:36,698 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 08:26:36,698 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-03-26 08:26:36,698 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1013100232] [2021-03-26 08:26:36,698 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-26 08:26:36,698 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 08:26:36,698 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-26 08:26:36,699 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=94, Unknown=0, NotChecked=0, Total=132 [2021-03-26 08:26:36,700 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 174 out of 348 [2021-03-26 08:26:36,701 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 244 places, 265 transitions, 5002 flow. Second operand has 12 states, 12 states have (on average 175.33333333333334) internal successors, (2104), 12 states have internal predecessors, (2104), 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) [2021-03-26 08:26:36,701 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 08:26:36,701 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 174 of 348 [2021-03-26 08:26:36,701 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 08:26:39,270 INFO L129 PetriNetUnfolder]: 10651/17230 cut-off events. [2021-03-26 08:26:39,270 INFO L130 PetriNetUnfolder]: For 290813/290973 co-relation queries the response was YES. [2021-03-26 08:26:39,400 INFO L84 FinitePrefix]: Finished finitePrefix Result has 88969 conditions, 17230 events. 10651/17230 cut-off events. For 290813/290973 co-relation queries the response was YES. Maximal size of possible extension queue 1040. Compared 126766 event pairs, 1578 based on Foata normal form. 94/12937 useless extension candidates. Maximal degree in co-relation 88857. Up to 9300 conditions per place. [2021-03-26 08:26:39,440 INFO L132 encePairwiseOnDemand]: 332/348 looper letters, 218 selfloop transitions, 38 changer transitions 1/313 dead transitions. [2021-03-26 08:26:39,440 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 252 places, 313 transitions, 6129 flow [2021-03-26 08:26:39,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-26 08:26:39,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-26 08:26:39,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 1641 transitions. [2021-03-26 08:26:39,442 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5239463601532567 [2021-03-26 08:26:39,442 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 1641 transitions. [2021-03-26 08:26:39,442 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 1641 transitions. [2021-03-26 08:26:39,442 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 08:26:39,442 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 1641 transitions. [2021-03-26 08:26:39,443 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 182.33333333333334) internal successors, (1641), 9 states have internal predecessors, (1641), 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) [2021-03-26 08:26:39,444 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 348.0) internal successors, (3480), 10 states have internal predecessors, (3480), 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) [2021-03-26 08:26:39,445 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 348.0) internal successors, (3480), 10 states have internal predecessors, (3480), 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) [2021-03-26 08:26:39,445 INFO L185 Difference]: Start difference. First operand has 244 places, 265 transitions, 5002 flow. Second operand 9 states and 1641 transitions. [2021-03-26 08:26:39,445 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 252 places, 313 transitions, 6129 flow [2021-03-26 08:26:40,107 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 245 places, 313 transitions, 6039 flow, removed 4 selfloop flow, removed 7 redundant places. [2021-03-26 08:26:40,112 INFO L241 Difference]: Finished difference. Result has 248 places, 268 transitions, 5077 flow [2021-03-26 08:26:40,112 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=348, PETRI_DIFFERENCE_MINUEND_FLOW=4912, PETRI_DIFFERENCE_MINUEND_PLACES=237, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=265, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=35, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=228, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=5077, PETRI_PLACES=248, PETRI_TRANSITIONS=268} [2021-03-26 08:26:40,112 INFO L343 CegarLoopForPetriNet]: 63 programPoint places, 185 predicate places. [2021-03-26 08:26:40,112 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 08:26:40,112 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 248 places, 268 transitions, 5077 flow [2021-03-26 08:26:40,112 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 248 places, 268 transitions, 5077 flow [2021-03-26 08:26:40,114 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 248 places, 268 transitions, 5077 flow [2021-03-26 08:26:41,057 INFO L129 PetriNetUnfolder]: 5460/10204 cut-off events. [2021-03-26 08:26:41,057 INFO L130 PetriNetUnfolder]: For 58131/58208 co-relation queries the response was YES. [2021-03-26 08:26:41,130 INFO L84 FinitePrefix]: Finished finitePrefix Result has 27340 conditions, 10204 events. 5460/10204 cut-off events. For 58131/58208 co-relation queries the response was YES. Maximal size of possible extension queue 886. Compared 86843 event pairs, 18 based on Foata normal form. 39/6767 useless extension candidates. Maximal degree in co-relation 27234. Up to 2916 conditions per place. [2021-03-26 08:26:41,226 INFO L142 LiptonReduction]: Number of co-enabled transitions 1470 [2021-03-26 08:26:41,236 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 08:26:41,236 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 08:26:41,236 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1124 [2021-03-26 08:26:41,237 INFO L480 AbstractCegarLoop]: Abstraction has has 248 places, 268 transitions, 5077 flow [2021-03-26 08:26:41,237 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 175.33333333333334) internal successors, (2104), 12 states have internal predecessors, (2104), 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) [2021-03-26 08:26:41,237 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 08:26:41,237 INFO L263 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] [2021-03-26 08:26:41,237 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40 [2021-03-26 08:26:41,237 INFO L428 AbstractCegarLoop]: === Iteration 42 === [thread0Err6INUSE_VIOLATION, thread0Err0INUSE_VIOLATION, thread0Thread1of1ForFork4Err1INUSE_VIOLATION, thread0Thread1of1ForFork4Err4INUSE_VIOLATION, ULTIMATE.startErr7INUSE_VIOLATION, thread0Thread1of1ForFork4Err5INUSE_VIOLATION, thread0Thread1of1ForFork4Err10INUSE_VIOLATION, thread0Err9INUSE_VIOLATION, thread0Err3INUSE_VIOLATION, thread0Err8INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, thread0Thread1of1ForFork4Err2INUSE_VIOLATION]=== [2021-03-26 08:26:41,237 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 08:26:41,237 INFO L82 PathProgramCache]: Analyzing trace with hash -328721308, now seen corresponding path program 2 times [2021-03-26 08:26:41,237 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 08:26:41,237 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [576153760] [2021-03-26 08:26:41,238 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 08:26:41,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 08:26:41,259 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:26:41,259 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 08:26:41,265 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:26:41,265 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 08:26:41,278 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:26:41,278 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 08:26:41,291 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:26:41,292 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-03-26 08:26:41,305 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:26:41,306 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-26 08:26:41,321 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:26:41,321 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-26 08:26:41,336 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:26:41,336 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-26 08:26:41,349 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:26:41,350 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-26 08:26:41,359 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:26:41,360 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 08:26:41,369 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:26:41,370 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:26:41,377 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:26:41,378 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-26 08:26:41,386 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:26:41,386 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:26:41,387 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 08:26:41,387 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [576153760] [2021-03-26 08:26:41,387 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 08:26:41,387 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-03-26 08:26:41,387 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1144296722] [2021-03-26 08:26:41,387 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-26 08:26:41,387 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 08:26:41,388 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-26 08:26:41,388 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=97, Unknown=0, NotChecked=0, Total=132 [2021-03-26 08:26:41,390 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 174 out of 348 [2021-03-26 08:26:41,391 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 248 places, 268 transitions, 5077 flow. Second operand has 12 states, 12 states have (on average 175.33333333333334) internal successors, (2104), 12 states have internal predecessors, (2104), 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) [2021-03-26 08:26:41,391 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 08:26:41,391 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 174 of 348 [2021-03-26 08:26:41,391 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 08:26:43,774 INFO L129 PetriNetUnfolder]: 9890/16173 cut-off events. [2021-03-26 08:26:43,774 INFO L130 PetriNetUnfolder]: For 272838/272964 co-relation queries the response was YES. [2021-03-26 08:26:43,870 INFO L84 FinitePrefix]: Finished finitePrefix Result has 81118 conditions, 16173 events. 9890/16173 cut-off events. For 272838/272964 co-relation queries the response was YES. Maximal size of possible extension queue 994. Compared 119333 event pairs, 1355 based on Foata normal form. 243/12310 useless extension candidates. Maximal degree in co-relation 81008. Up to 7933 conditions per place. [2021-03-26 08:26:43,901 INFO L132 encePairwiseOnDemand]: 338/348 looper letters, 200 selfloop transitions, 70 changer transitions 0/326 dead transitions. [2021-03-26 08:26:43,901 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 253 places, 326 transitions, 6260 flow [2021-03-26 08:26:43,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-26 08:26:43,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-03-26 08:26:43,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 1821 transitions. [2021-03-26 08:26:43,903 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5232758620689655 [2021-03-26 08:26:43,903 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 1821 transitions. [2021-03-26 08:26:43,903 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 1821 transitions. [2021-03-26 08:26:43,903 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 08:26:43,903 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 1821 transitions. [2021-03-26 08:26:43,904 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 182.1) internal successors, (1821), 10 states have internal predecessors, (1821), 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) [2021-03-26 08:26:43,906 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 348.0) internal successors, (3828), 11 states have internal predecessors, (3828), 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) [2021-03-26 08:26:43,906 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 348.0) internal successors, (3828), 11 states have internal predecessors, (3828), 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) [2021-03-26 08:26:43,906 INFO L185 Difference]: Start difference. First operand has 248 places, 268 transitions, 5077 flow. Second operand 10 states and 1821 transitions. [2021-03-26 08:26:43,906 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 253 places, 326 transitions, 6260 flow [2021-03-26 08:26:44,538 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 237 places, 326 transitions, 5837 flow, removed 43 selfloop flow, removed 16 redundant places. [2021-03-26 08:26:44,543 INFO L241 Difference]: Finished difference. Result has 238 places, 256 transitions, 4654 flow [2021-03-26 08:26:44,543 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=348, PETRI_DIFFERENCE_MINUEND_FLOW=4436, PETRI_DIFFERENCE_MINUEND_PLACES=228, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=254, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=68, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=185, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=4654, PETRI_PLACES=238, PETRI_TRANSITIONS=256} [2021-03-26 08:26:44,543 INFO L343 CegarLoopForPetriNet]: 63 programPoint places, 175 predicate places. [2021-03-26 08:26:44,543 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 08:26:44,543 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 238 places, 256 transitions, 4654 flow [2021-03-26 08:26:44,543 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 238 places, 256 transitions, 4654 flow [2021-03-26 08:26:44,545 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 238 places, 256 transitions, 4654 flow [2021-03-26 08:26:45,453 INFO L129 PetriNetUnfolder]: 5390/10089 cut-off events. [2021-03-26 08:26:45,453 INFO L130 PetriNetUnfolder]: For 47744/47811 co-relation queries the response was YES. [2021-03-26 08:26:45,519 INFO L84 FinitePrefix]: Finished finitePrefix Result has 25519 conditions, 10089 events. 5390/10089 cut-off events. For 47744/47811 co-relation queries the response was YES. Maximal size of possible extension queue 868. Compared 85481 event pairs, 14 based on Foata normal form. 33/6713 useless extension candidates. Maximal degree in co-relation 25427. Up to 2908 conditions per place. [2021-03-26 08:26:45,606 INFO L142 LiptonReduction]: Number of co-enabled transitions 742 [2021-03-26 08:26:46,066 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 08:26:46,066 INFO L156 LiptonReduction]: Total number of compositions: 22 [2021-03-26 08:26:46,066 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1523 [2021-03-26 08:26:46,067 INFO L480 AbstractCegarLoop]: Abstraction has has 237 places, 255 transitions, 4652 flow [2021-03-26 08:26:46,067 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 175.33333333333334) internal successors, (2104), 12 states have internal predecessors, (2104), 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) [2021-03-26 08:26:46,067 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 08:26:46,067 INFO L263 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] [2021-03-26 08:26:46,067 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41 [2021-03-26 08:26:46,068 INFO L428 AbstractCegarLoop]: === Iteration 43 === [thread0Err6INUSE_VIOLATION, thread0Err0INUSE_VIOLATION, thread0Thread1of1ForFork4Err1INUSE_VIOLATION, thread0Thread1of1ForFork4Err4INUSE_VIOLATION, ULTIMATE.startErr7INUSE_VIOLATION, thread0Thread1of1ForFork4Err5INUSE_VIOLATION, thread0Thread1of1ForFork4Err10INUSE_VIOLATION, thread0Err9INUSE_VIOLATION, thread0Err3INUSE_VIOLATION, thread0Err8INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, thread0Thread1of1ForFork4Err2INUSE_VIOLATION]=== [2021-03-26 08:26:46,068 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 08:26:46,068 INFO L82 PathProgramCache]: Analyzing trace with hash 2048436766, now seen corresponding path program 1 times [2021-03-26 08:26:46,068 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 08:26:46,068 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1161211340] [2021-03-26 08:26:46,068 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 08:26:46,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 08:26:46,090 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:26:46,090 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:26:46,090 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:26:46,091 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-26 08:26:46,094 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:26:46,095 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 08:26:46,101 INFO L142 QuantifierPusher]: treesize reduction 4, result has 80.0 percent of original size [2021-03-26 08:26:46,102 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 08:26:46,111 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:26:46,111 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 08:26:46,128 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:26:46,128 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 08:26:46,135 INFO L142 QuantifierPusher]: treesize reduction 16, result has 44.8 percent of original size [2021-03-26 08:26:46,135 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 08:26:46,143 INFO L142 QuantifierPusher]: treesize reduction 9, result has 50.0 percent of original size [2021-03-26 08:26:46,143 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 08:26:46,152 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:26:46,152 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:26:46,152 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 08:26:46,152 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1161211340] [2021-03-26 08:26:46,153 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 08:26:46,153 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 08:26:46,153 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2142290825] [2021-03-26 08:26:46,153 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 08:26:46,153 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 08:26:46,153 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 08:26:46,153 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2021-03-26 08:26:46,155 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 215 out of 370 [2021-03-26 08:26:46,156 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 237 places, 255 transitions, 4652 flow. Second operand has 8 states, 8 states have (on average 217.75) internal successors, (1742), 8 states have internal predecessors, (1742), 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) [2021-03-26 08:26:46,156 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 08:26:46,156 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 215 of 370 [2021-03-26 08:26:46,156 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 08:26:48,422 INFO L129 PetriNetUnfolder]: 9717/16023 cut-off events. [2021-03-26 08:26:48,422 INFO L130 PetriNetUnfolder]: For 235314/235428 co-relation queries the response was YES. [2021-03-26 08:26:48,548 INFO L84 FinitePrefix]: Finished finitePrefix Result has 79586 conditions, 16023 events. 9717/16023 cut-off events. For 235314/235428 co-relation queries the response was YES. Maximal size of possible extension queue 1001. Compared 119500 event pairs, 1386 based on Foata normal form. 344/12466 useless extension candidates. Maximal degree in co-relation 79491. Up to 8428 conditions per place. [2021-03-26 08:26:48,583 INFO L132 encePairwiseOnDemand]: 360/370 looper letters, 166 selfloop transitions, 43 changer transitions 6/268 dead transitions. [2021-03-26 08:26:48,583 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 243 places, 268 transitions, 5344 flow [2021-03-26 08:26:48,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-26 08:26:48,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-26 08:26:48,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 1574 transitions. [2021-03-26 08:26:48,585 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6077220077220077 [2021-03-26 08:26:48,585 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 1574 transitions. [2021-03-26 08:26:48,585 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 1574 transitions. [2021-03-26 08:26:48,585 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 08:26:48,585 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 1574 transitions. [2021-03-26 08:26:48,586 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 224.85714285714286) internal successors, (1574), 7 states have internal predecessors, (1574), 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) [2021-03-26 08:26:48,587 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 370.0) internal successors, (2960), 8 states have internal predecessors, (2960), 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) [2021-03-26 08:26:48,588 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 370.0) internal successors, (2960), 8 states have internal predecessors, (2960), 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) [2021-03-26 08:26:48,588 INFO L185 Difference]: Start difference. First operand has 237 places, 255 transitions, 4652 flow. Second operand 7 states and 1574 transitions. [2021-03-26 08:26:48,588 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 243 places, 268 transitions, 5344 flow [2021-03-26 08:26:48,926 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 238 places, 268 transitions, 5291 flow, removed 15 selfloop flow, removed 5 redundant places. [2021-03-26 08:26:48,931 INFO L241 Difference]: Finished difference. Result has 238 places, 253 transitions, 4685 flow [2021-03-26 08:26:48,931 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=370, PETRI_DIFFERENCE_MINUEND_FLOW=4599, PETRI_DIFFERENCE_MINUEND_PLACES=232, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=253, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=43, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=210, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=4685, PETRI_PLACES=238, PETRI_TRANSITIONS=253} [2021-03-26 08:26:48,931 INFO L343 CegarLoopForPetriNet]: 63 programPoint places, 175 predicate places. [2021-03-26 08:26:48,931 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 08:26:48,932 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 238 places, 253 transitions, 4685 flow [2021-03-26 08:26:48,932 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 238 places, 253 transitions, 4685 flow [2021-03-26 08:26:48,934 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 238 places, 253 transitions, 4685 flow [2021-03-26 08:26:49,867 INFO L129 PetriNetUnfolder]: 4803/9475 cut-off events. [2021-03-26 08:26:49,867 INFO L130 PetriNetUnfolder]: For 46505/46574 co-relation queries the response was YES. [2021-03-26 08:26:49,940 INFO L84 FinitePrefix]: Finished finitePrefix Result has 25797 conditions, 9475 events. 4803/9475 cut-off events. For 46505/46574 co-relation queries the response was YES. Maximal size of possible extension queue 856. Compared 83857 event pairs, 22 based on Foata normal form. 34/6390 useless extension candidates. Maximal degree in co-relation 25706. Up to 2884 conditions per place. [2021-03-26 08:26:50,030 INFO L142 LiptonReduction]: Number of co-enabled transitions 698 [2021-03-26 08:26:50,038 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 08:26:50,038 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 08:26:50,038 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1107 [2021-03-26 08:26:50,039 INFO L480 AbstractCegarLoop]: Abstraction has has 238 places, 253 transitions, 4685 flow [2021-03-26 08:26:50,039 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 217.75) internal successors, (1742), 8 states have internal predecessors, (1742), 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) [2021-03-26 08:26:50,039 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 08:26:50,039 INFO L263 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] [2021-03-26 08:26:50,039 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42 [2021-03-26 08:26:50,039 INFO L428 AbstractCegarLoop]: === Iteration 44 === [thread0Err6INUSE_VIOLATION, thread0Err0INUSE_VIOLATION, thread0Thread1of1ForFork4Err1INUSE_VIOLATION, thread0Thread1of1ForFork4Err4INUSE_VIOLATION, ULTIMATE.startErr7INUSE_VIOLATION, thread0Thread1of1ForFork4Err5INUSE_VIOLATION, thread0Thread1of1ForFork4Err10INUSE_VIOLATION, thread0Err9INUSE_VIOLATION, thread0Err3INUSE_VIOLATION, thread0Err8INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, thread0Thread1of1ForFork4Err2INUSE_VIOLATION]=== [2021-03-26 08:26:50,039 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 08:26:50,039 INFO L82 PathProgramCache]: Analyzing trace with hash -1588706127, now seen corresponding path program 1 times [2021-03-26 08:26:50,039 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 08:26:50,039 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [576207158] [2021-03-26 08:26:50,040 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 08:26:50,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 08:26:50,061 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:26:50,061 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:26:50,062 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:26:50,062 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-26 08:26:50,066 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:26:50,066 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 08:26:50,075 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:26:50,075 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-26 08:26:50,087 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:26:50,088 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-26 08:26:50,092 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:26:50,093 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-03-26 08:26:50,107 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:26:50,108 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-03-26 08:26:50,108 INFO L142 QuantifierPusher]: treesize reduction 16, result has 33.3 percent of original size [2021-03-26 08:26:50,109 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-26 08:26:50,113 INFO L142 QuantifierPusher]: treesize reduction 9, result has 30.8 percent of original size [2021-03-26 08:26:50,114 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-26 08:26:50,118 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:26:50,119 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:26:50,119 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 08:26:50,119 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [576207158] [2021-03-26 08:26:50,119 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 08:26:50,119 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 08:26:50,119 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1710568219] [2021-03-26 08:26:50,120 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 08:26:50,120 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 08:26:50,121 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 08:26:50,121 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2021-03-26 08:26:50,122 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 215 out of 370 [2021-03-26 08:26:50,123 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 238 places, 253 transitions, 4685 flow. Second operand has 8 states, 8 states have (on average 217.75) internal successors, (1742), 8 states have internal predecessors, (1742), 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) [2021-03-26 08:26:50,123 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 08:26:50,123 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 215 of 370 [2021-03-26 08:26:50,123 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 08:26:52,608 INFO L129 PetriNetUnfolder]: 9304/15864 cut-off events. [2021-03-26 08:26:52,608 INFO L130 PetriNetUnfolder]: For 226662/226776 co-relation queries the response was YES. [2021-03-26 08:26:52,697 INFO L84 FinitePrefix]: Finished finitePrefix Result has 78676 conditions, 15864 events. 9304/15864 cut-off events. For 226662/226776 co-relation queries the response was YES. Maximal size of possible extension queue 1000. Compared 123517 event pairs, 643 based on Foata normal form. 273/12394 useless extension candidates. Maximal degree in co-relation 78581. Up to 7262 conditions per place. [2021-03-26 08:26:52,727 INFO L132 encePairwiseOnDemand]: 356/370 looper letters, 151 selfloop transitions, 66 changer transitions 14/281 dead transitions. [2021-03-26 08:26:52,727 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 245 places, 281 transitions, 5469 flow [2021-03-26 08:26:52,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 08:26:52,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 08:26:52,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 1809 transitions. [2021-03-26 08:26:52,728 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6111486486486486 [2021-03-26 08:26:52,728 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 1809 transitions. [2021-03-26 08:26:52,728 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 1809 transitions. [2021-03-26 08:26:52,729 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 08:26:52,729 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 1809 transitions. [2021-03-26 08:26:52,730 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 226.125) internal successors, (1809), 8 states have internal predecessors, (1809), 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) [2021-03-26 08:26:52,731 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 370.0) internal successors, (3330), 9 states have internal predecessors, (3330), 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) [2021-03-26 08:26:52,731 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 370.0) internal successors, (3330), 9 states have internal predecessors, (3330), 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) [2021-03-26 08:26:52,731 INFO L185 Difference]: Start difference. First operand has 238 places, 253 transitions, 4685 flow. Second operand 8 states and 1809 transitions. [2021-03-26 08:26:52,731 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 245 places, 281 transitions, 5469 flow [2021-03-26 08:26:53,138 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 238 places, 281 transitions, 5295 flow, removed 0 selfloop flow, removed 7 redundant places. [2021-03-26 08:26:53,142 INFO L241 Difference]: Finished difference. Result has 240 places, 255 transitions, 4700 flow [2021-03-26 08:26:53,142 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=370, PETRI_DIFFERENCE_MINUEND_FLOW=4525, PETRI_DIFFERENCE_MINUEND_PLACES=231, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=253, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=64, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=187, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=4700, PETRI_PLACES=240, PETRI_TRANSITIONS=255} [2021-03-26 08:26:53,143 INFO L343 CegarLoopForPetriNet]: 63 programPoint places, 177 predicate places. [2021-03-26 08:26:53,143 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 08:26:53,143 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 240 places, 255 transitions, 4700 flow [2021-03-26 08:26:53,143 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 240 places, 255 transitions, 4700 flow [2021-03-26 08:26:53,145 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 240 places, 255 transitions, 4700 flow [2021-03-26 08:26:54,043 INFO L129 PetriNetUnfolder]: 4657/9575 cut-off events. [2021-03-26 08:26:54,043 INFO L130 PetriNetUnfolder]: For 57018/57113 co-relation queries the response was YES. [2021-03-26 08:26:54,100 INFO L84 FinitePrefix]: Finished finitePrefix Result has 28729 conditions, 9575 events. 4657/9575 cut-off events. For 57018/57113 co-relation queries the response was YES. Maximal size of possible extension queue 881. Compared 88463 event pairs, 9 based on Foata normal form. 47/6582 useless extension candidates. Maximal degree in co-relation 28636. Up to 2900 conditions per place. [2021-03-26 08:26:54,177 INFO L142 LiptonReduction]: Number of co-enabled transitions 678 [2021-03-26 08:26:54,186 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 08:26:54,186 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 08:26:54,186 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1043 [2021-03-26 08:26:54,186 INFO L480 AbstractCegarLoop]: Abstraction has has 240 places, 255 transitions, 4700 flow [2021-03-26 08:26:54,186 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 217.75) internal successors, (1742), 8 states have internal predecessors, (1742), 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) [2021-03-26 08:26:54,186 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 08:26:54,187 INFO L263 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] [2021-03-26 08:26:54,187 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43 [2021-03-26 08:26:54,187 INFO L428 AbstractCegarLoop]: === Iteration 45 === [thread0Err6INUSE_VIOLATION, thread0Err0INUSE_VIOLATION, thread0Thread1of1ForFork4Err1INUSE_VIOLATION, thread0Thread1of1ForFork4Err4INUSE_VIOLATION, ULTIMATE.startErr7INUSE_VIOLATION, thread0Thread1of1ForFork4Err5INUSE_VIOLATION, thread0Thread1of1ForFork4Err10INUSE_VIOLATION, thread0Err9INUSE_VIOLATION, thread0Err3INUSE_VIOLATION, thread0Err8INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, thread0Thread1of1ForFork4Err2INUSE_VIOLATION]=== [2021-03-26 08:26:54,187 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 08:26:54,187 INFO L82 PathProgramCache]: Analyzing trace with hash -1346811781, now seen corresponding path program 2 times [2021-03-26 08:26:54,187 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 08:26:54,187 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1034429550] [2021-03-26 08:26:54,187 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 08:26:54,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 08:26:54,204 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:26:54,204 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:26:54,205 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:26:54,205 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 08:26:54,207 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:26:54,207 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-26 08:26:54,210 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:26:54,210 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-26 08:26:54,214 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:26:54,215 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 08:26:54,221 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:26:54,222 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 08:26:54,226 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:26:54,226 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-26 08:26:54,230 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:26:54,231 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-26 08:26:54,238 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:26:54,239 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:26:54,239 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 08:26:54,239 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1034429550] [2021-03-26 08:26:54,239 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 08:26:54,239 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 08:26:54,239 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1282603669] [2021-03-26 08:26:54,240 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 08:26:54,240 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 08:26:54,240 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 08:26:54,240 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-03-26 08:26:54,241 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 182 out of 370 [2021-03-26 08:26:54,242 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 240 places, 255 transitions, 4700 flow. Second operand has 8 states, 8 states have (on average 184.75) internal successors, (1478), 8 states have internal predecessors, (1478), 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) [2021-03-26 08:26:54,242 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 08:26:54,242 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 182 of 370 [2021-03-26 08:26:54,242 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 08:26:56,502 INFO L129 PetriNetUnfolder]: 9008/15489 cut-off events. [2021-03-26 08:26:56,502 INFO L130 PetriNetUnfolder]: For 222478/222703 co-relation queries the response was YES. [2021-03-26 08:26:56,606 INFO L84 FinitePrefix]: Finished finitePrefix Result has 79323 conditions, 15489 events. 9008/15489 cut-off events. For 222478/222703 co-relation queries the response was YES. Maximal size of possible extension queue 999. Compared 121952 event pairs, 1538 based on Foata normal form. 71/11840 useless extension candidates. Maximal degree in co-relation 79226. Up to 9478 conditions per place. [2021-03-26 08:26:56,634 INFO L132 encePairwiseOnDemand]: 361/370 looper letters, 157 selfloop transitions, 48 changer transitions 15/271 dead transitions. [2021-03-26 08:26:56,634 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 246 places, 271 transitions, 5455 flow [2021-03-26 08:26:56,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-26 08:26:56,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-26 08:26:56,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 1343 transitions. [2021-03-26 08:26:56,636 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5185328185328185 [2021-03-26 08:26:56,636 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 1343 transitions. [2021-03-26 08:26:56,636 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 1343 transitions. [2021-03-26 08:26:56,636 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 08:26:56,636 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 1343 transitions. [2021-03-26 08:26:56,637 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 191.85714285714286) internal successors, (1343), 7 states have internal predecessors, (1343), 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) [2021-03-26 08:26:56,638 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 370.0) internal successors, (2960), 8 states have internal predecessors, (2960), 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) [2021-03-26 08:26:56,638 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 370.0) internal successors, (2960), 8 states have internal predecessors, (2960), 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) [2021-03-26 08:26:56,638 INFO L185 Difference]: Start difference. First operand has 240 places, 255 transitions, 4700 flow. Second operand 7 states and 1343 transitions. [2021-03-26 08:26:56,638 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 246 places, 271 transitions, 5455 flow [2021-03-26 08:26:57,155 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 241 places, 271 transitions, 5352 flow, removed 0 selfloop flow, removed 5 redundant places. [2021-03-26 08:26:57,160 INFO L241 Difference]: Finished difference. Result has 241 places, 249 transitions, 4671 flow [2021-03-26 08:26:57,160 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=370, PETRI_DIFFERENCE_MINUEND_FLOW=4593, PETRI_DIFFERENCE_MINUEND_PLACES=235, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=253, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=48, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=205, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=4671, PETRI_PLACES=241, PETRI_TRANSITIONS=249} [2021-03-26 08:26:57,160 INFO L343 CegarLoopForPetriNet]: 63 programPoint places, 178 predicate places. [2021-03-26 08:26:57,160 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 08:26:57,161 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 241 places, 249 transitions, 4671 flow [2021-03-26 08:26:57,161 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 241 places, 249 transitions, 4671 flow [2021-03-26 08:26:57,163 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 241 places, 249 transitions, 4671 flow [2021-03-26 08:26:58,088 INFO L129 PetriNetUnfolder]: 4211/8636 cut-off events. [2021-03-26 08:26:58,088 INFO L130 PetriNetUnfolder]: For 48156/48249 co-relation queries the response was YES. [2021-03-26 08:26:58,133 INFO L84 FinitePrefix]: Finished finitePrefix Result has 25866 conditions, 8636 events. 4211/8636 cut-off events. For 48156/48249 co-relation queries the response was YES. Maximal size of possible extension queue 872. Compared 78299 event pairs, 23 based on Foata normal form. 47/5880 useless extension candidates. Maximal degree in co-relation 25773. Up to 2900 conditions per place. [2021-03-26 08:26:58,197 INFO L142 LiptonReduction]: Number of co-enabled transitions 630 [2021-03-26 08:26:58,205 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 08:26:58,205 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 08:26:58,205 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1045 [2021-03-26 08:26:58,206 INFO L480 AbstractCegarLoop]: Abstraction has has 241 places, 249 transitions, 4671 flow [2021-03-26 08:26:58,206 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 184.75) internal successors, (1478), 8 states have internal predecessors, (1478), 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) [2021-03-26 08:26:58,206 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 08:26:58,206 INFO L263 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] [2021-03-26 08:26:58,206 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44 [2021-03-26 08:26:58,206 INFO L428 AbstractCegarLoop]: === Iteration 46 === [thread0Err6INUSE_VIOLATION, thread0Err0INUSE_VIOLATION, thread0Thread1of1ForFork4Err1INUSE_VIOLATION, thread0Thread1of1ForFork4Err4INUSE_VIOLATION, ULTIMATE.startErr7INUSE_VIOLATION, thread0Thread1of1ForFork4Err5INUSE_VIOLATION, thread0Thread1of1ForFork4Err10INUSE_VIOLATION, thread0Err9INUSE_VIOLATION, thread0Err3INUSE_VIOLATION, thread0Err8INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, thread0Thread1of1ForFork4Err2INUSE_VIOLATION]=== [2021-03-26 08:26:58,206 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 08:26:58,206 INFO L82 PathProgramCache]: Analyzing trace with hash 116708475, now seen corresponding path program 1 times [2021-03-26 08:26:58,206 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 08:26:58,206 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [116909649] [2021-03-26 08:26:58,207 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 08:26:58,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-03-26 08:26:58,220 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-03-26 08:26:58,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-03-26 08:26:58,232 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-03-26 08:26:58,258 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-03-26 08:26:58,259 INFO L634 BasicCegarLoop]: Counterexample might be feasible [2021-03-26 08:26:58,259 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable45 [2021-03-26 08:26:58,371 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.03 08:26:58 BasicIcfg [2021-03-26 08:26:58,371 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-03-26 08:26:58,372 INFO L168 Benchmark]: Toolchain (without parser) took 157722.06 ms. Allocated memory was 255.9 MB in the beginning and 15.9 GB in the end (delta: 15.6 GB). Free memory was 235.5 MB in the beginning and 13.7 GB in the end (delta: -13.4 GB). Peak memory consumption was 2.2 GB. Max. memory is 16.0 GB. [2021-03-26 08:26:58,372 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 255.9 MB. Free memory is still 237.5 MB. There was no memory consumed. Max. memory is 16.0 GB. [2021-03-26 08:26:58,372 INFO L168 Benchmark]: CACSL2BoogieTranslator took 722.22 ms. Allocated memory was 255.9 MB in the beginning and 373.3 MB in the end (delta: 117.4 MB). Free memory was 235.5 MB in the beginning and 354.9 MB in the end (delta: -119.4 MB). Peak memory consumption was 62.1 MB. Max. memory is 16.0 GB. [2021-03-26 08:26:58,372 INFO L168 Benchmark]: Boogie Procedure Inliner took 59.43 ms. Allocated memory is still 373.3 MB. Free memory was 354.9 MB in the beginning and 352.8 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-03-26 08:26:58,372 INFO L168 Benchmark]: Boogie Preprocessor took 29.27 ms. Allocated memory is still 373.3 MB. Free memory was 352.8 MB in the beginning and 351.8 MB in the end (delta: 963.1 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-03-26 08:26:58,372 INFO L168 Benchmark]: RCFGBuilder took 349.75 ms. Allocated memory is still 373.3 MB. Free memory was 351.7 MB in the beginning and 324.6 MB in the end (delta: 27.1 MB). Peak memory consumption was 27.3 MB. Max. memory is 16.0 GB. [2021-03-26 08:26:58,373 INFO L168 Benchmark]: TraceAbstraction took 156556.90 ms. Allocated memory was 373.3 MB in the beginning and 15.9 GB in the end (delta: 15.5 GB). Free memory was 324.4 MB in the beginning and 13.7 GB in the end (delta: -13.3 GB). Peak memory consumption was 2.2 GB. Max. memory is 16.0 GB. [2021-03-26 08:26:58,373 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 255.9 MB. Free memory is still 237.5 MB. There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 722.22 ms. Allocated memory was 255.9 MB in the beginning and 373.3 MB in the end (delta: 117.4 MB). Free memory was 235.5 MB in the beginning and 354.9 MB in the end (delta: -119.4 MB). Peak memory consumption was 62.1 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 59.43 ms. Allocated memory is still 373.3 MB. Free memory was 354.9 MB in the beginning and 352.8 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 29.27 ms. Allocated memory is still 373.3 MB. Free memory was 352.8 MB in the beginning and 351.8 MB in the end (delta: 963.1 kB). There was no memory consumed. Max. memory is 16.0 GB. * RCFGBuilder took 349.75 ms. Allocated memory is still 373.3 MB. Free memory was 351.7 MB in the beginning and 324.6 MB in the end (delta: 27.1 MB). Peak memory consumption was 27.3 MB. Max. memory is 16.0 GB. * TraceAbstraction took 156556.90 ms. Allocated memory was 373.3 MB in the beginning and 15.9 GB in the end (delta: 15.5 GB). Free memory was 324.4 MB in the beginning and 13.7 GB in the end (delta: -13.3 GB). Peak memory consumption was 2.2 GB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1907.0ms, 119 PlacesBefore, 63 PlacesAfterwards, 140 TransitionsBefore, 84 TransitionsAfterwards, 4156 CoEnabledTransitionPairs, 4 FixpointIterations, 9 TrivialSequentialCompositions, 50 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 1 ConcurrentYvCompositions, 0 ChoiceCompositions, 60 TotalNumberOfCompositions, 2005 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1736, positive: 1730, positive conditional: 1730, positive unconditional: 0, negative: 6, negative conditional: 6, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1736, positive: 1730, positive conditional: 0, positive unconditional: 1730, negative: 6, negative conditional: 0, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1736, positive: 1730, positive conditional: 0, positive unconditional: 1730, negative: 6, negative conditional: 0, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1598, positive: 1592, positive conditional: 0, positive unconditional: 1592, negative: 6, negative conditional: 0, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1598, positive: 1592, positive conditional: 0, positive unconditional: 1592, negative: 6, negative conditional: 0, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 6, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 6, negative conditional: 0, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 21, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 21, negative conditional: 0, negative unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1736, positive: 138, positive conditional: 0, positive unconditional: 138, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 1598, unknown conditional: 0, unknown unconditional: 1598] , Statistics on independence cache: Total cache size (in pairs): 1598, Positive cache size: 1592, Positive conditional cache size: 0, Positive unconditional cache size: 1592, Negative cache size: 6, Negative conditional cache size: 0, Negative unconditional cache size: 6, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1086.7ms, 64 PlacesBefore, 53 PlacesAfterwards, 87 TransitionsBefore, 77 TransitionsAfterwards, 1404 CoEnabledTransitionPairs, 3 FixpointIterations, 2 TrivialSequentialCompositions, 7 ConcurrentSequentialCompositions, 1 TrivialYvCompositions, 1 ConcurrentYvCompositions, 0 ChoiceCompositions, 11 TotalNumberOfCompositions, 165 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 165, positive: 165, positive conditional: 165, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 165, positive: 165, positive conditional: 43, positive unconditional: 122, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 165, positive: 165, positive conditional: 43, positive unconditional: 122, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 128, positive: 128, positive conditional: 43, positive unconditional: 85, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 128, positive: 128, positive conditional: 0, positive unconditional: 128, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 165, positive: 37, positive conditional: 0, positive unconditional: 37, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 128, unknown conditional: 43, unknown unconditional: 85] , Statistics on independence cache: Total cache size (in pairs): 1726, Positive cache size: 1720, Positive conditional cache size: 43, Positive unconditional cache size: 1677, Negative cache size: 6, Negative conditional cache size: 0, Negative unconditional cache size: 6, Eliminated conditions: 1 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 33.9ms, 57 PlacesBefore, 57 PlacesAfterwards, 81 TransitionsBefore, 81 TransitionsAfterwards, 1154 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1726, Positive cache size: 1720, Positive conditional cache size: 43, Positive unconditional cache size: 1677, Negative cache size: 6, Negative conditional cache size: 0, Negative unconditional cache size: 6, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 46.9ms, 64 PlacesBefore, 64 PlacesAfterwards, 83 TransitionsBefore, 83 TransitionsAfterwards, 1222 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1726, Positive cache size: 1720, Positive conditional cache size: 43, Positive unconditional cache size: 1677, Negative cache size: 6, Negative conditional cache size: 0, Negative unconditional cache size: 6, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 268.5ms, 70 PlacesBefore, 70 PlacesAfterwards, 103 TransitionsBefore, 103 TransitionsAfterwards, 1916 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1726, Positive cache size: 1720, Positive conditional cache size: 43, Positive unconditional cache size: 1677, Negative cache size: 6, Negative conditional cache size: 0, Negative unconditional cache size: 6, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 258.9ms, 79 PlacesBefore, 79 PlacesAfterwards, 104 TransitionsBefore, 104 TransitionsAfterwards, 1904 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1726, Positive cache size: 1720, Positive conditional cache size: 43, Positive unconditional cache size: 1677, Negative cache size: 6, Negative conditional cache size: 0, Negative unconditional cache size: 6, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 262.1ms, 85 PlacesBefore, 83 PlacesAfterwards, 115 TransitionsBefore, 115 TransitionsAfterwards, 2092 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1726, Positive cache size: 1720, Positive conditional cache size: 43, Positive unconditional cache size: 1677, Negative cache size: 6, Negative conditional cache size: 0, Negative unconditional cache size: 6, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 256.2ms, 90 PlacesBefore, 90 PlacesAfterwards, 116 TransitionsBefore, 116 TransitionsAfterwards, 2082 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1726, Positive cache size: 1720, Positive conditional cache size: 43, Positive unconditional cache size: 1677, Negative cache size: 6, Negative conditional cache size: 0, Negative unconditional cache size: 6, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 291.1ms, 97 PlacesBefore, 97 PlacesAfterwards, 122 TransitionsBefore, 122 TransitionsAfterwards, 2110 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1726, Positive cache size: 1720, Positive conditional cache size: 43, Positive unconditional cache size: 1677, Negative cache size: 6, Negative conditional cache size: 0, Negative unconditional cache size: 6, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 283.0ms, 99 PlacesBefore, 99 PlacesAfterwards, 127 TransitionsBefore, 127 TransitionsAfterwards, 2108 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1726, Positive cache size: 1720, Positive conditional cache size: 43, Positive unconditional cache size: 1677, Negative cache size: 6, Negative conditional cache size: 0, Negative unconditional cache size: 6, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 348.2ms, 112 PlacesBefore, 112 PlacesAfterwards, 146 TransitionsBefore, 146 TransitionsAfterwards, 2238 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1726, Positive cache size: 1720, Positive conditional cache size: 43, Positive unconditional cache size: 1677, Negative cache size: 6, Negative conditional cache size: 0, Negative unconditional cache size: 6, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 397.7ms, 118 PlacesBefore, 118 PlacesAfterwards, 162 TransitionsBefore, 162 TransitionsAfterwards, 2484 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1726, Positive cache size: 1720, Positive conditional cache size: 43, Positive unconditional cache size: 1677, Negative cache size: 6, Negative conditional cache size: 0, Negative unconditional cache size: 6, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 396.6ms, 126 PlacesBefore, 126 PlacesAfterwards, 159 TransitionsBefore, 159 TransitionsAfterwards, 2596 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1726, Positive cache size: 1720, Positive conditional cache size: 43, Positive unconditional cache size: 1677, Negative cache size: 6, Negative conditional cache size: 0, Negative unconditional cache size: 6, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 520.1ms, 130 PlacesBefore, 130 PlacesAfterwards, 165 TransitionsBefore, 165 TransitionsAfterwards, 2716 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1726, Positive cache size: 1720, Positive conditional cache size: 43, Positive unconditional cache size: 1677, Negative cache size: 6, Negative conditional cache size: 0, Negative unconditional cache size: 6, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 569.0ms, 133 PlacesBefore, 133 PlacesAfterwards, 165 TransitionsBefore, 165 TransitionsAfterwards, 2702 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1726, Positive cache size: 1720, Positive conditional cache size: 43, Positive unconditional cache size: 1677, Negative cache size: 6, Negative conditional cache size: 0, Negative unconditional cache size: 6, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 551.6ms, 139 PlacesBefore, 139 PlacesAfterwards, 175 TransitionsBefore, 175 TransitionsAfterwards, 2776 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1726, Positive cache size: 1720, Positive conditional cache size: 43, Positive unconditional cache size: 1677, Negative cache size: 6, Negative conditional cache size: 0, Negative unconditional cache size: 6, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 631.1ms, 149 PlacesBefore, 149 PlacesAfterwards, 187 TransitionsBefore, 187 TransitionsAfterwards, 2896 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1726, Positive cache size: 1720, Positive conditional cache size: 43, Positive unconditional cache size: 1677, Negative cache size: 6, Negative conditional cache size: 0, Negative unconditional cache size: 6, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 716.7ms, 164 PlacesBefore, 164 PlacesAfterwards, 202 TransitionsBefore, 202 TransitionsAfterwards, 3012 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1726, Positive cache size: 1720, Positive conditional cache size: 43, Positive unconditional cache size: 1677, Negative cache size: 6, Negative conditional cache size: 0, Negative unconditional cache size: 6, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 628.1ms, 171 PlacesBefore, 171 PlacesAfterwards, 218 TransitionsBefore, 218 TransitionsAfterwards, 3098 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1726, Positive cache size: 1720, Positive conditional cache size: 43, Positive unconditional cache size: 1677, Negative cache size: 6, Negative conditional cache size: 0, Negative unconditional cache size: 6, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 993.1ms, 176 PlacesBefore, 176 PlacesAfterwards, 235 TransitionsBefore, 235 TransitionsAfterwards, 3288 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1726, Positive cache size: 1720, Positive conditional cache size: 43, Positive unconditional cache size: 1677, Negative cache size: 6, Negative conditional cache size: 0, Negative unconditional cache size: 6, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 829.3ms, 182 PlacesBefore, 182 PlacesAfterwards, 233 TransitionsBefore, 233 TransitionsAfterwards, 3270 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1726, Positive cache size: 1720, Positive conditional cache size: 43, Positive unconditional cache size: 1677, Negative cache size: 6, Negative conditional cache size: 0, Negative unconditional cache size: 6, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 805.4ms, 181 PlacesBefore, 181 PlacesAfterwards, 207 TransitionsBefore, 207 TransitionsAfterwards, 2868 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1726, Positive cache size: 1720, Positive conditional cache size: 43, Positive unconditional cache size: 1677, Negative cache size: 6, Negative conditional cache size: 0, Negative unconditional cache size: 6, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 871.3ms, 179 PlacesBefore, 179 PlacesAfterwards, 208 TransitionsBefore, 208 TransitionsAfterwards, 2848 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1726, Positive cache size: 1720, Positive conditional cache size: 43, Positive unconditional cache size: 1677, Negative cache size: 6, Negative conditional cache size: 0, Negative unconditional cache size: 6, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 827.6ms, 184 PlacesBefore, 184 PlacesAfterwards, 209 TransitionsBefore, 209 TransitionsAfterwards, 2798 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1726, Positive cache size: 1720, Positive conditional cache size: 43, Positive unconditional cache size: 1677, Negative cache size: 6, Negative conditional cache size: 0, Negative unconditional cache size: 6, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 804.1ms, 188 PlacesBefore, 188 PlacesAfterwards, 210 TransitionsBefore, 210 TransitionsAfterwards, 2748 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1726, Positive cache size: 1720, Positive conditional cache size: 43, Positive unconditional cache size: 1677, Negative cache size: 6, Negative conditional cache size: 0, Negative unconditional cache size: 6, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 797.6ms, 193 PlacesBefore, 193 PlacesAfterwards, 217 TransitionsBefore, 217 TransitionsAfterwards, 2696 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1726, Positive cache size: 1720, Positive conditional cache size: 43, Positive unconditional cache size: 1677, Negative cache size: 6, Negative conditional cache size: 0, Negative unconditional cache size: 6, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 922.8ms, 201 PlacesBefore, 200 PlacesAfterwards, 233 TransitionsBefore, 233 TransitionsAfterwards, 3414 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1726, Positive cache size: 1720, Positive conditional cache size: 43, Positive unconditional cache size: 1677, Negative cache size: 6, Negative conditional cache size: 0, Negative unconditional cache size: 6, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 960.8ms, 203 PlacesBefore, 203 PlacesAfterwards, 248 TransitionsBefore, 248 TransitionsAfterwards, 3442 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1726, Positive cache size: 1720, Positive conditional cache size: 43, Positive unconditional cache size: 1677, Negative cache size: 6, Negative conditional cache size: 0, Negative unconditional cache size: 6, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 868.8ms, 208 PlacesBefore, 208 PlacesAfterwards, 261 TransitionsBefore, 261 TransitionsAfterwards, 3658 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1726, Positive cache size: 1720, Positive conditional cache size: 43, Positive unconditional cache size: 1677, Negative cache size: 6, Negative conditional cache size: 0, Negative unconditional cache size: 6, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 887.1ms, 214 PlacesBefore, 214 PlacesAfterwards, 270 TransitionsBefore, 270 TransitionsAfterwards, 3782 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1726, Positive cache size: 1720, Positive conditional cache size: 43, Positive unconditional cache size: 1677, Negative cache size: 6, Negative conditional cache size: 0, Negative unconditional cache size: 6, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 818.4ms, 223 PlacesBefore, 223 PlacesAfterwards, 292 TransitionsBefore, 292 TransitionsAfterwards, 3926 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1726, Positive cache size: 1720, Positive conditional cache size: 43, Positive unconditional cache size: 1677, Negative cache size: 6, Negative conditional cache size: 0, Negative unconditional cache size: 6, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 997.0ms, 219 PlacesBefore, 219 PlacesAfterwards, 278 TransitionsBefore, 278 TransitionsAfterwards, 3482 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1726, Positive cache size: 1720, Positive conditional cache size: 43, Positive unconditional cache size: 1677, Negative cache size: 6, Negative conditional cache size: 0, Negative unconditional cache size: 6, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 881.5ms, 217 PlacesBefore, 217 PlacesAfterwards, 259 TransitionsBefore, 259 TransitionsAfterwards, 3072 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1726, Positive cache size: 1720, Positive conditional cache size: 43, Positive unconditional cache size: 1677, Negative cache size: 6, Negative conditional cache size: 0, Negative unconditional cache size: 6, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1601.5ms, 212 PlacesBefore, 212 PlacesAfterwards, 245 TransitionsBefore, 245 TransitionsAfterwards, 2566 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 16 ConcurrentYvCompositions, 0 ChoiceCompositions, 16 TotalNumberOfCompositions, 377 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 377, positive: 377, positive conditional: 377, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 393, positive: 377, positive conditional: 313, positive unconditional: 64, negative: 16, negative conditional: 0, negative unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 393, positive: 377, positive conditional: 313, positive unconditional: 64, negative: 16, negative conditional: 0, negative unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 50, positive: 48, positive conditional: 32, positive unconditional: 16, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 50, positive: 44, positive conditional: 0, positive unconditional: 44, negative: 6, negative conditional: 0, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 6, positive: 4, positive conditional: 4, positive unconditional: 0, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 25, positive: 20, positive conditional: 20, positive unconditional: 0, negative: 6, negative conditional: 0, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 393, positive: 329, positive conditional: 281, positive unconditional: 48, negative: 14, negative conditional: 0, negative unconditional: 14, unknown: 50, unknown conditional: 32, unknown unconditional: 18] , Statistics on independence cache: Total cache size (in pairs): 1776, Positive cache size: 1768, Positive conditional cache size: 75, Positive unconditional cache size: 1693, Negative cache size: 8, Negative conditional cache size: 0, Negative unconditional cache size: 8, Eliminated conditions: 80 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 966.2ms, 208 PlacesBefore, 207 PlacesAfterwards, 241 TransitionsBefore, 240 TransitionsAfterwards, 2272 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 2 ConcurrentYvCompositions, 0 ChoiceCompositions, 2 TotalNumberOfCompositions, 48 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 48, positive: 48, positive conditional: 48, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 48, positive: 48, positive conditional: 48, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 48, positive: 48, positive conditional: 48, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 48, positive: 48, positive conditional: 48, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1776, Positive cache size: 1768, Positive conditional cache size: 75, Positive unconditional cache size: 1693, Negative cache size: 8, Negative conditional cache size: 0, Negative unconditional cache size: 8, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 625.5ms, 212 PlacesBefore, 212 PlacesAfterwards, 239 TransitionsBefore, 239 TransitionsAfterwards, 2064 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1776, Positive cache size: 1768, Positive conditional cache size: 75, Positive unconditional cache size: 1693, Negative cache size: 8, Negative conditional cache size: 0, Negative unconditional cache size: 8, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 852.3ms, 216 PlacesBefore, 216 PlacesAfterwards, 237 TransitionsBefore, 237 TransitionsAfterwards, 1904 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1776, Positive cache size: 1768, Positive conditional cache size: 75, Positive unconditional cache size: 1693, Negative cache size: 8, Negative conditional cache size: 0, Negative unconditional cache size: 8, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 743.6ms, 218 PlacesBefore, 218 PlacesAfterwards, 238 TransitionsBefore, 238 TransitionsAfterwards, 1744 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1776, Positive cache size: 1768, Positive conditional cache size: 75, Positive unconditional cache size: 1693, Negative cache size: 8, Negative conditional cache size: 0, Negative unconditional cache size: 8, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 935.0ms, 225 PlacesBefore, 225 PlacesAfterwards, 256 TransitionsBefore, 256 TransitionsAfterwards, 1904 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1776, Positive cache size: 1768, Positive conditional cache size: 75, Positive unconditional cache size: 1693, Negative cache size: 8, Negative conditional cache size: 0, Negative unconditional cache size: 8, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1105.0ms, 238 PlacesBefore, 238 PlacesAfterwards, 269 TransitionsBefore, 269 TransitionsAfterwards, 1824 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1776, Positive cache size: 1768, Positive conditional cache size: 75, Positive unconditional cache size: 1693, Negative cache size: 8, Negative conditional cache size: 0, Negative unconditional cache size: 8, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1388.9ms, 244 PlacesBefore, 244 PlacesAfterwards, 265 TransitionsBefore, 265 TransitionsAfterwards, 1472 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1776, Positive cache size: 1768, Positive conditional cache size: 75, Positive unconditional cache size: 1693, Negative cache size: 8, Negative conditional cache size: 0, Negative unconditional cache size: 8, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1123.9ms, 248 PlacesBefore, 248 PlacesAfterwards, 268 TransitionsBefore, 268 TransitionsAfterwards, 1470 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1776, Positive cache size: 1768, Positive conditional cache size: 75, Positive unconditional cache size: 1693, Negative cache size: 8, Negative conditional cache size: 0, Negative unconditional cache size: 8, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1523.0ms, 238 PlacesBefore, 237 PlacesAfterwards, 256 TransitionsBefore, 255 TransitionsAfterwards, 742 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 22 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 22 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1776, Positive cache size: 1768, Positive conditional cache size: 75, Positive unconditional cache size: 1693, Negative cache size: 8, Negative conditional cache size: 0, Negative unconditional cache size: 8, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1106.3ms, 238 PlacesBefore, 238 PlacesAfterwards, 253 TransitionsBefore, 253 TransitionsAfterwards, 698 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1776, Positive cache size: 1768, Positive conditional cache size: 75, Positive unconditional cache size: 1693, Negative cache size: 8, Negative conditional cache size: 0, Negative unconditional cache size: 8, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1042.7ms, 240 PlacesBefore, 240 PlacesAfterwards, 255 TransitionsBefore, 255 TransitionsAfterwards, 678 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1776, Positive cache size: 1768, Positive conditional cache size: 75, Positive unconditional cache size: 1693, Negative cache size: 8, Negative conditional cache size: 0, Negative unconditional cache size: 8, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1044.4ms, 241 PlacesBefore, 241 PlacesAfterwards, 249 TransitionsBefore, 249 TransitionsAfterwards, 630 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1776, Positive cache size: 1768, Positive conditional cache size: 75, Positive unconditional cache size: 1693, Negative cache size: 8, Negative conditional cache size: 0, Negative unconditional cache size: 8, Eliminated conditions: 0 - CounterExampleResult [Line: 1123]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L1124] 0 char *v; [L1161] 0 pthread_t t; [L1162] FCALL, FORK 0 pthread_create(&t, 0, thread0, 0) VAL [arg={0:0}, v={0:0}] [L1146] 1 pthread_t t1, t2, t3, t4, t5; [L1147] FCALL, FORK 1 pthread_create(&t1, 0, thread1, 0) VAL [arg={0:0}, arg={0:0}, arg={0:0}, t1={14:0}, t2={13:0}, t3={10:0}, t4={11:0}, t5={6:0}, v={0:0}] [L1148] 1 \read(t1) VAL [\read(t1)=0, arg={0:0}, arg={0:0}, arg={0:0}, t1={14:0}, t2={13:0}, t3={10:0}, t4={11:0}, t5={6:0}, v={0:0}] [L1127] 2 v = malloc(sizeof(char)) [L1128] 2 return 0; [L1163] 0 \read(t) VAL [\read(t1)=0, \result={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, malloc(sizeof(char))={-1:0}, t1={14:0}, t2={13:0}, t3={10:0}, t4={11:0}, t5={6:0}, v={-1:0}] [L1148] FCALL, JOIN 2 pthread_join(t1, 0) VAL [\read(t1)=0, \result={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, malloc(sizeof(char))={-1:0}, t1={14:0}, t2={13:0}, t3={10:0}, t4={11:0}, t5={6:0}, v={-1:0}] [L1149] FCALL, FORK 1 pthread_create(&t2, 0, thread2, 0) VAL [\result={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, malloc(sizeof(char))={-1:0}, t1={14:0}, t2={13:0}, t3={10:0}, t4={11:0}, t5={6:0}, v={-1:0}] [L1133] 3 v[0] = 'X' [L1135] 3 return 0; [L1150] FCALL, FORK 1 pthread_create(&t3, 0, thread3, 0) VAL [\result={0:0}, \result={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, malloc(sizeof(char))={-1:0}, t1={14:0}, t2={13:0}, t3={10:0}, t4={11:0}, t5={6:0}, v={-1:0}] [L1151] FCALL, FORK 1 pthread_create(&t4, 0, thread2, 0) VAL [\result={0:0}, \result={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, malloc(sizeof(char))={-1:0}, t1={14:0}, t2={13:0}, t3={10:0}, t4={11:0}, t5={6:0}, v={-1:0}] [L1133] 5 v[0] = 'X' [L1135] 5 return 0; [L1152] FCALL, FORK 1 pthread_create(&t5, 0, thread2, 0) VAL [\result={0:0}, \result={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, malloc(sizeof(char))={-1:0}, t1={14:0}, t2={13:0}, t3={10:0}, t4={11:0}, t5={6:0}, v={-1:0}] [L1153] 1 \read(t2) VAL [\read(t2)=1, \result={0:0}, \result={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, malloc(sizeof(char))={-1:0}, t1={14:0}, t2={13:0}, t3={10:0}, t4={11:0}, t5={6:0}, v={-1:0}] [L1153] FCALL, JOIN 3 pthread_join(t2, 0) VAL [\read(t2)=1, \result={0:0}, \result={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, malloc(sizeof(char))={-1:0}, t1={14:0}, t2={13:0}, t3={10:0}, t4={11:0}, t5={6:0}, v={-1:0}] [L1154] 1 \read(t3) VAL [\read(t3)=2, \result={0:0}, \result={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, malloc(sizeof(char))={-1:0}, t1={14:0}, t2={13:0}, t3={10:0}, t4={11:0}, t5={6:0}, v={-1:0}] [L1133] 6 v[0] = 'X' [L1135] 6 return 0; [L1140] 4 v[0] = 'Y' [L1142] 4 return 0; [L1154] FCALL, JOIN 4 pthread_join(t3, 0) VAL [\read(t3)=2, \result={0:0}, \result={0:0}, \result={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, malloc(sizeof(char))={-1:0}, t1={14:0}, t2={13:0}, t3={10:0}, t4={11:0}, t5={6:0}, v={-1:0}] [L1155] 1 \read(t4) VAL [\read(t4)=3, \result={0:0}, \result={0:0}, \result={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, malloc(sizeof(char))={-1:0}, t1={14:0}, t2={13:0}, t3={10:0}, t4={11:0}, t5={6:0}, v={-1:0}] [L1155] FCALL, JOIN 5 pthread_join(t4, 0) VAL [\read(t4)=3, \result={0:0}, \result={0:0}, \result={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, malloc(sizeof(char))={-1:0}, t1={14:0}, t2={13:0}, t3={10:0}, t4={11:0}, t5={6:0}, v={-1:0}] [L1156] 1 \read(t5) VAL [\read(t5)=4, \result={0:0}, \result={0:0}, \result={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, malloc(sizeof(char))={-1:0}, t1={14:0}, t2={13:0}, t3={10:0}, t4={11:0}, t5={6:0}, v={-1:0}] [L1156] FCALL, JOIN 6 pthread_join(t5, 0) VAL [\read(t5)=4, \result={0:0}, \result={0:0}, \result={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, malloc(sizeof(char))={-1:0}, t1={14:0}, t2={13:0}, t3={10:0}, t4={11:0}, t5={6:0}, v={-1:0}] [L1157] 1 return 0; [L1157] 1 return 0; [L1157] 1 return 0; [L1157] 1 return 0; [L1157] 1 return 0; [L1157] 1 return 0; [L1163] FCALL, JOIN 1 pthread_join(t, 0) VAL [\result={0:0}, \result={0:0}, \result={0:0}, \result={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, malloc(sizeof(char))={-1:0}, v={-1:0}] [L1164] 0 v[0] [L1123] COND TRUE 0 !expression [L1123] 0 reach_error() VAL [\result={0:0}, \result={0:0}, \result={0:0}, \result={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, malloc(sizeof(char))={-1:0}, v={-1:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 97 locations, 1 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 2.9ms, RemoveRedundantFlowTime: 0.0ms, RemoveRedundantFlowUnfoldingTime: 0.0ms, BackfoldingTime: 0.0ms, BackfoldingUnfoldingTime: 0.0ms, FlowIncreaseByBackfolding: 0, BasicCegarLoop: VerificationResult: UNSAFE, OverallTime: 156089.0ms, OverallIterations: 46, TraceHistogramMax: 1, EmptinessCheckTime: 0.0ms, AutomataDifference: 114685.7ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 2084.8ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 1446 SDtfs, 2929 SDslu, 3267 SDs, 0 SdLazy, 12373 SolverSat, 1096 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 6267.5ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 622 GetRequests, 55 SyntacticMatches, 16 SemanticMatches, 551 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 691 ImplicationChecksByTransitivity, 8733.1ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=5368occurred in iteration=30, InterpolantAutomatonStates: 407, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 70.1ms SsaConstructionTime, 403.3ms SatisfiabilityAnalysisTime, 4544.5ms InterpolantComputationTime, 879 NumberOfCodeBlocks, 879 NumberOfCodeBlocksAsserted, 46 NumberOfCheckSat, 803 ConstructedInterpolants, 0 QuantifiedInterpolants, 12511 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 45 InterpolantComputations, 45 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...