/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-RepeatedSemanticLbeWithPredicates.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-wmm/mix046_rmo.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-6f4246e9f5583d222ebb38ff8175c901f3a528f0-6f4246e [2021-04-28 21:30:12,235 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-04-28 21:30:12,239 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-04-28 21:30:12,311 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-04-28 21:30:12,311 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-04-28 21:30:12,313 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-04-28 21:30:12,314 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-04-28 21:30:12,317 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-04-28 21:30:12,319 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-04-28 21:30:12,320 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-04-28 21:30:12,321 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-04-28 21:30:12,323 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-04-28 21:30:12,323 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-04-28 21:30:12,325 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-04-28 21:30:12,326 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-04-28 21:30:12,328 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-04-28 21:30:12,329 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-04-28 21:30:12,330 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-04-28 21:30:12,332 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-04-28 21:30:12,334 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-04-28 21:30:12,336 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-04-28 21:30:12,338 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-04-28 21:30:12,339 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-04-28 21:30:12,340 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-04-28 21:30:12,344 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-04-28 21:30:12,354 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-04-28 21:30:12,355 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-04-28 21:30:12,356 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-04-28 21:30:12,357 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-RepeatedSemanticLbeWithPredicates.epf [2021-04-28 21:30:12,396 INFO L113 SettingsManager]: Loading preferences was successful [2021-04-28 21:30:12,396 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-04-28 21:30:12,398 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-04-28 21:30:12,398 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-04-28 21:30:12,398 INFO L138 SettingsManager]: * Use SBE=true [2021-04-28 21:30:12,399 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-04-28 21:30:12,399 INFO L138 SettingsManager]: * sizeof long=4 [2021-04-28 21:30:12,399 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-04-28 21:30:12,399 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-04-28 21:30:12,400 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-04-28 21:30:12,400 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-04-28 21:30:12,400 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-04-28 21:30:12,400 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-04-28 21:30:12,401 INFO L138 SettingsManager]: * sizeof long double=12 [2021-04-28 21:30:12,401 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-04-28 21:30:12,401 INFO L138 SettingsManager]: * Use constant arrays=true [2021-04-28 21:30:12,401 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-04-28 21:30:12,402 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-04-28 21:30:12,402 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-04-28 21:30:12,402 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-04-28 21:30:12,402 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-04-28 21:30:12,402 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-04-28 21:30:12,403 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-04-28 21:30:12,403 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-04-28 21:30:12,403 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-04-28 21:30:12,403 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-04-28 21:30:12,404 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-04-28 21:30:12,404 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=SEMANTIC_BASED_MOVER_CHECK_WITH_PREDICATES [2021-04-28 21:30:12,404 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-04-28 21:30:12,404 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-04-28 21:30:12,404 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-04-28 21:30:12,770 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-04-28 21:30:12,797 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-04-28 21:30:12,800 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-04-28 21:30:12,801 INFO L271 PluginConnector]: Initializing CDTParser... [2021-04-28 21:30:12,802 INFO L275 PluginConnector]: CDTParser initialized [2021-04-28 21:30:12,803 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/mix046_rmo.opt.i [2021-04-28 21:30:12,884 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/70a963473/995695ab22e145c69e008964eb4192c0/FLAGd65af6d75 [2021-04-28 21:30:13,745 INFO L306 CDTParser]: Found 1 translation units. [2021-04-28 21:30:13,747 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix046_rmo.opt.i [2021-04-28 21:30:13,774 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/70a963473/995695ab22e145c69e008964eb4192c0/FLAGd65af6d75 [2021-04-28 21:30:13,934 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/70a963473/995695ab22e145c69e008964eb4192c0 [2021-04-28 21:30:13,937 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-04-28 21:30:13,995 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-04-28 21:30:13,997 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-04-28 21:30:13,997 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-04-28 21:30:14,001 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-04-28 21:30:14,002 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.04 09:30:13" (1/1) ... [2021-04-28 21:30:14,003 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4a5ff9b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 09:30:14, skipping insertion in model container [2021-04-28 21:30:14,004 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.04 09:30:13" (1/1) ... [2021-04-28 21:30:14,012 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-04-28 21:30:14,056 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-04-28 21:30:14,220 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-wmm/mix046_rmo.opt.i[948,961] [2021-04-28 21:30:14,542 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-04-28 21:30:14,553 INFO L203 MainTranslator]: Completed pre-run [2021-04-28 21:30:14,567 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-wmm/mix046_rmo.opt.i[948,961] [2021-04-28 21:30:14,624 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-04-28 21:30:14,733 INFO L208 MainTranslator]: Completed translation [2021-04-28 21:30:14,734 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 09:30:14 WrapperNode [2021-04-28 21:30:14,734 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-04-28 21:30:14,736 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-04-28 21:30:14,736 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-04-28 21:30:14,736 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-04-28 21:30:14,744 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 09:30:14" (1/1) ... [2021-04-28 21:30:14,765 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 09:30:14" (1/1) ... [2021-04-28 21:30:14,805 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-04-28 21:30:14,806 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-04-28 21:30:14,806 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-04-28 21:30:14,806 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-04-28 21:30:14,816 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 09:30:14" (1/1) ... [2021-04-28 21:30:14,816 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 09:30:14" (1/1) ... [2021-04-28 21:30:14,822 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 09:30:14" (1/1) ... [2021-04-28 21:30:14,823 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 09:30:14" (1/1) ... [2021-04-28 21:30:14,842 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 09:30:14" (1/1) ... [2021-04-28 21:30:14,849 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 09:30:14" (1/1) ... [2021-04-28 21:30:14,854 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 09:30:14" (1/1) ... [2021-04-28 21:30:14,861 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-04-28 21:30:14,871 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-04-28 21:30:14,872 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-04-28 21:30:14,872 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-04-28 21:30:14,873 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 09:30:14" (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 [2021-04-28 21:30:14,987 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-04-28 21:30:14,987 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-04-28 21:30:14,988 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-04-28 21:30:14,988 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-04-28 21:30:14,989 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-04-28 21:30:14,990 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-04-28 21:30:14,991 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-04-28 21:30:14,991 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-04-28 21:30:14,991 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-04-28 21:30:14,991 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-04-28 21:30:14,991 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2021-04-28 21:30:14,991 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2021-04-28 21:30:14,992 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-04-28 21:30:14,992 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-04-28 21:30:14,992 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-04-28 21:30:14,992 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-04-28 21:30:14,995 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-04-28 21:30:17,204 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-04-28 21:30:17,205 INFO L299 CfgBuilder]: Removed 10 assume(true) statements. [2021-04-28 21:30:17,208 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.04 09:30:17 BoogieIcfgContainer [2021-04-28 21:30:17,209 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-04-28 21:30:17,213 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-04-28 21:30:17,213 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-04-28 21:30:17,217 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-04-28 21:30:17,217 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.04 09:30:13" (1/3) ... [2021-04-28 21:30:17,218 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@57e32551 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.04 09:30:17, skipping insertion in model container [2021-04-28 21:30:17,219 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 09:30:14" (2/3) ... [2021-04-28 21:30:17,219 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@57e32551 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.04 09:30:17, skipping insertion in model container [2021-04-28 21:30:17,219 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.04 09:30:17" (3/3) ... [2021-04-28 21:30:17,221 INFO L111 eAbstractionObserver]: Analyzing ICFG mix046_rmo.opt.i [2021-04-28 21:30:17,229 INFO L149 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-04-28 21:30:17,234 INFO L161 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2021-04-28 21:30:17,235 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-04-28 21:30:17,288 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:30:17,288 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:30:17,288 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:30:17,289 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:30:17,289 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:30:17,289 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:30:17,289 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:30:17,289 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:30:17,290 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:30:17,290 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:30:17,290 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:30:17,291 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:30:17,291 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:30:17,291 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:30:17,291 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:30:17,291 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:30:17,292 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:30:17,292 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:30:17,292 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:30:17,292 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:30:17,292 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:30:17,293 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:30:17,294 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:30:17,294 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:30:17,294 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:30:17,295 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:30:17,295 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:30:17,295 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:30:17,296 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:30:17,296 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:30:17,296 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:30:17,297 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:30:17,297 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:30:17,297 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:30:17,298 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:30:17,298 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:30:17,298 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:30:17,298 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:30:17,298 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:30:17,299 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:30:17,299 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:30:17,299 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:30:17,299 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:30:17,299 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:30:17,300 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:30:17,300 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:30:17,301 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:30:17,301 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:30:17,302 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:30:17,302 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:30:17,303 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:30:17,303 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:30:17,303 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:30:17,303 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:30:17,303 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:30:17,303 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:30:17,304 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:30:17,304 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:30:17,304 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork3___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:30:17,304 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:30:17,304 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork3___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:30:17,305 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:30:17,305 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork3___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:30:17,305 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:30:17,305 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork3___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:30:17,306 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:30:17,306 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:30:17,307 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:30:17,307 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:30:17,307 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:30:17,307 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:30:17,307 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:30:17,307 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:30:17,308 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:30:17,309 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:30:17,310 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:30:17,310 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:30:17,310 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:30:17,310 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:30:17,310 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:30:17,311 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:30:17,311 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:30:17,312 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:30:17,312 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:30:17,315 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:30:17,315 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:30:17,315 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:30:17,316 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:30:17,318 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:30:17,318 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:30:17,318 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:30:17,319 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:30:17,320 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:30:17,320 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:30:17,321 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:30:17,322 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:30:17,322 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:30:17,326 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:30:17,327 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:30:17,327 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:30:17,327 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:30:17,333 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:30:17,336 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork3___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:30:17,336 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:30:17,337 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:30:17,337 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:30:17,337 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:30:17,337 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:30:17,337 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:30:17,337 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:30:17,338 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:30:17,338 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:30:17,338 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:30:17,338 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:30:17,339 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-04-28 21:30:17,364 INFO L253 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2021-04-28 21:30:17,416 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-04-28 21:30:17,417 INFO L377 AbstractCegarLoop]: Hoare is false [2021-04-28 21:30:17,417 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-04-28 21:30:17,417 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-04-28 21:30:17,417 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-04-28 21:30:17,417 INFO L381 AbstractCegarLoop]: Difference is false [2021-04-28 21:30:17,417 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-04-28 21:30:17,417 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-04-28 21:30:17,440 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 128 places, 117 transitions, 254 flow [2021-04-28 21:30:17,531 INFO L129 PetriNetUnfolder]: 2/113 cut-off events. [2021-04-28 21:30:17,531 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 21:30:17,546 INFO L84 FinitePrefix]: Finished finitePrefix Result has 126 conditions, 113 events. 2/113 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 87 event pairs, 0 based on Foata normal form. 0/109 useless extension candidates. Maximal degree in co-relation 76. Up to 2 conditions per place. [2021-04-28 21:30:17,546 INFO L82 GeneralOperation]: Start removeDead. Operand has 128 places, 117 transitions, 254 flow [2021-04-28 21:30:17,557 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 124 places, 113 transitions, 238 flow [2021-04-28 21:30:17,559 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 21:30:17,578 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 124 places, 113 transitions, 238 flow [2021-04-28 21:30:17,585 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 124 places, 113 transitions, 238 flow [2021-04-28 21:30:17,591 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 124 places, 113 transitions, 238 flow [2021-04-28 21:30:17,633 INFO L129 PetriNetUnfolder]: 2/113 cut-off events. [2021-04-28 21:30:17,634 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 21:30:17,635 INFO L84 FinitePrefix]: Finished finitePrefix Result has 126 conditions, 113 events. 2/113 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 82 event pairs, 0 based on Foata normal form. 0/109 useless extension candidates. Maximal degree in co-relation 76. Up to 2 conditions per place. [2021-04-28 21:30:17,642 INFO L146 LiptonReduction]: Number of co-enabled transitions 2598 [2021-04-28 21:30:18,296 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 57 [2021-04-28 21:30:21,695 WARN L205 SmtUtils]: Spent 363.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 60 [2021-04-28 21:30:21,803 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2021-04-28 21:30:22,337 WARN L205 SmtUtils]: Spent 533.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 83 [2021-04-28 21:30:22,548 WARN L205 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2021-04-28 21:30:23,784 WARN L205 SmtUtils]: Spent 1.19 s on a formula simplification. DAG size of input: 230 DAG size of output: 190 [2021-04-28 21:30:24,352 WARN L205 SmtUtils]: Spent 565.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2021-04-28 21:30:26,814 WARN L205 SmtUtils]: Spent 2.46 s on a formula simplification. DAG size of input: 314 DAG size of output: 270 [2021-04-28 21:30:27,974 WARN L205 SmtUtils]: Spent 1.16 s on a formula simplification that was a NOOP. DAG size: 267 [2021-04-28 21:30:31,969 WARN L205 SmtUtils]: Spent 1.27 s on a formula simplification. DAG size of input: 232 DAG size of output: 192 [2021-04-28 21:30:32,548 WARN L205 SmtUtils]: Spent 577.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2021-04-28 21:30:35,223 WARN L205 SmtUtils]: Spent 2.67 s on a formula simplification. DAG size of input: 316 DAG size of output: 272 [2021-04-28 21:30:36,411 WARN L205 SmtUtils]: Spent 1.18 s on a formula simplification that was a NOOP. DAG size: 269 [2021-04-28 21:30:38,280 WARN L205 SmtUtils]: Spent 1.86 s on a formula simplification. DAG size of input: 230 DAG size of output: 189 [2021-04-28 21:30:38,852 WARN L205 SmtUtils]: Spent 567.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2021-04-28 21:30:41,647 WARN L205 SmtUtils]: Spent 2.79 s on a formula simplification. DAG size of input: 314 DAG size of output: 270 [2021-04-28 21:30:42,849 WARN L205 SmtUtils]: Spent 1.20 s on a formula simplification that was a NOOP. DAG size: 267 [2021-04-28 21:30:44,153 WARN L205 SmtUtils]: Spent 1.30 s on a formula simplification. DAG size of input: 234 DAG size of output: 193 [2021-04-28 21:30:44,745 WARN L205 SmtUtils]: Spent 589.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2021-04-28 21:30:47,490 WARN L205 SmtUtils]: Spent 2.74 s on a formula simplification. DAG size of input: 318 DAG size of output: 274 [2021-04-28 21:30:48,726 WARN L205 SmtUtils]: Spent 1.23 s on a formula simplification that was a NOOP. DAG size: 271 [2021-04-28 21:30:53,502 WARN L205 SmtUtils]: Spent 1.53 s on a formula simplification. DAG size of input: 232 DAG size of output: 192 [2021-04-28 21:30:54,725 WARN L205 SmtUtils]: Spent 1.22 s on a formula simplification. DAG size of input: 190 DAG size of output: 189 [2021-04-28 21:30:57,633 WARN L205 SmtUtils]: Spent 2.90 s on a formula simplification. DAG size of input: 316 DAG size of output: 272 [2021-04-28 21:30:58,949 WARN L205 SmtUtils]: Spent 1.31 s on a formula simplification that was a NOOP. DAG size: 269 [2021-04-28 21:31:01,210 WARN L205 SmtUtils]: Spent 2.26 s on a formula simplification. DAG size of input: 233 DAG size of output: 192 [2021-04-28 21:31:01,958 WARN L205 SmtUtils]: Spent 746.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2021-04-28 21:31:05,282 WARN L205 SmtUtils]: Spent 3.32 s on a formula simplification. DAG size of input: 317 DAG size of output: 273 [2021-04-28 21:31:06,677 WARN L205 SmtUtils]: Spent 1.39 s on a formula simplification that was a NOOP. DAG size: 270 [2021-04-28 21:31:08,496 WARN L205 SmtUtils]: Spent 1.81 s on a formula simplification. DAG size of input: 233 DAG size of output: 193 [2021-04-28 21:31:09,934 WARN L205 SmtUtils]: Spent 1.43 s on a formula simplification. DAG size of input: 191 DAG size of output: 190 [2021-04-28 21:31:13,262 WARN L205 SmtUtils]: Spent 3.32 s on a formula simplification. DAG size of input: 317 DAG size of output: 273 [2021-04-28 21:31:14,818 WARN L205 SmtUtils]: Spent 1.55 s on a formula simplification that was a NOOP. DAG size: 270 [2021-04-28 21:31:16,696 WARN L205 SmtUtils]: Spent 1.87 s on a formula simplification. DAG size of input: 230 DAG size of output: 190 [2021-04-28 21:31:18,249 WARN L205 SmtUtils]: Spent 1.55 s on a formula simplification. DAG size of input: 188 DAG size of output: 187 [2021-04-28 21:31:21,787 WARN L205 SmtUtils]: Spent 3.53 s on a formula simplification. DAG size of input: 314 DAG size of output: 269 [2021-04-28 21:31:23,365 WARN L205 SmtUtils]: Spent 1.58 s on a formula simplification that was a NOOP. DAG size: 266 [2021-04-28 21:31:25,280 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2021-04-28 21:31:25,387 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2021-04-28 21:31:25,495 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2021-04-28 21:31:25,609 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2021-04-28 21:31:26,111 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2021-04-28 21:31:26,226 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2021-04-28 21:31:26,339 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2021-04-28 21:31:26,452 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2021-04-28 21:31:27,609 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2021-04-28 21:31:27,712 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2021-04-28 21:31:27,917 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2021-04-28 21:31:28,023 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2021-04-28 21:31:28,137 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2021-04-28 21:31:28,258 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2021-04-28 21:31:28,373 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2021-04-28 21:31:30,499 WARN L205 SmtUtils]: Spent 2.11 s on a formula simplification. DAG size of input: 233 DAG size of output: 193 [2021-04-28 21:31:32,423 WARN L205 SmtUtils]: Spent 1.92 s on a formula simplification. DAG size of input: 191 DAG size of output: 190 [2021-04-28 21:31:36,820 WARN L205 SmtUtils]: Spent 4.39 s on a formula simplification. DAG size of input: 317 DAG size of output: 273 [2021-04-28 21:31:38,837 WARN L205 SmtUtils]: Spent 2.01 s on a formula simplification that was a NOOP. DAG size: 270 [2021-04-28 21:31:41,188 WARN L205 SmtUtils]: Spent 2.35 s on a formula simplification. DAG size of input: 232 DAG size of output: 191 [2021-04-28 21:31:42,184 WARN L205 SmtUtils]: Spent 993.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2021-04-28 21:31:46,703 WARN L205 SmtUtils]: Spent 4.51 s on a formula simplification. DAG size of input: 316 DAG size of output: 272 [2021-04-28 21:31:48,714 WARN L205 SmtUtils]: Spent 2.01 s on a formula simplification that was a NOOP. DAG size: 269 [2021-04-28 21:31:51,145 WARN L205 SmtUtils]: Spent 2.41 s on a formula simplification. DAG size of input: 230 DAG size of output: 190 [2021-04-28 21:31:52,220 WARN L205 SmtUtils]: Spent 1.07 s on a formula simplification that was a NOOP. DAG size: 188 [2021-04-28 21:31:56,760 WARN L205 SmtUtils]: Spent 4.54 s on a formula simplification. DAG size of input: 314 DAG size of output: 270 [2021-04-28 21:31:58,896 WARN L205 SmtUtils]: Spent 2.13 s on a formula simplification that was a NOOP. DAG size: 267 [2021-04-28 21:31:59,061 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 53 [2021-04-28 21:31:59,196 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 53 [2021-04-28 21:31:59,329 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 53 [2021-04-28 21:31:59,468 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 53 [2021-04-28 21:32:00,672 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2021-04-28 21:32:00,811 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2021-04-28 21:32:00,950 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2021-04-28 21:32:01,088 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2021-04-28 21:32:02,290 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 44 [2021-04-28 21:32:03,100 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2021-04-28 21:32:03,224 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2021-04-28 21:32:03,347 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2021-04-28 21:32:03,470 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2021-04-28 21:32:04,649 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 48 [2021-04-28 21:32:04,759 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 48 [2021-04-28 21:32:04,869 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 48 [2021-04-28 21:32:04,980 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 48 [2021-04-28 21:32:05,415 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 46 [2021-04-28 21:32:05,519 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 46 [2021-04-28 21:32:05,625 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 46 [2021-04-28 21:32:05,732 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 46 [2021-04-28 21:32:05,860 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2021-04-28 21:32:05,986 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2021-04-28 21:32:06,114 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2021-04-28 21:32:06,240 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2021-04-28 21:32:07,356 WARN L205 SmtUtils]: Spent 186.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-04-28 21:32:07,539 WARN L205 SmtUtils]: Spent 181.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-04-28 21:32:07,723 WARN L205 SmtUtils]: Spent 181.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-04-28 21:32:07,903 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-04-28 21:32:08,053 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2021-04-28 21:32:08,206 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2021-04-28 21:32:08,390 WARN L205 SmtUtils]: Spent 183.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2021-04-28 21:32:08,567 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2021-04-28 21:32:08,756 WARN L205 SmtUtils]: Spent 186.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-04-28 21:32:08,945 WARN L205 SmtUtils]: Spent 187.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-04-28 21:32:09,119 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-04-28 21:32:09,301 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-04-28 21:32:09,520 WARN L205 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-28 21:32:09,727 WARN L205 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-28 21:32:09,959 WARN L205 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-28 21:32:10,186 WARN L205 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-28 21:32:10,375 WARN L205 SmtUtils]: Spent 186.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-04-28 21:32:10,565 WARN L205 SmtUtils]: Spent 189.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-04-28 21:32:10,738 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-04-28 21:32:10,909 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-04-28 21:32:11,078 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-04-28 21:32:11,255 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-04-28 21:32:11,453 WARN L205 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-04-28 21:32:11,648 WARN L205 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-04-28 21:32:11,868 WARN L205 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-28 21:32:12,087 WARN L205 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-28 21:32:12,304 WARN L205 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-28 21:32:12,518 WARN L205 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-28 21:32:12,719 WARN L205 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-04-28 21:32:12,923 WARN L205 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-04-28 21:32:13,128 WARN L205 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-04-28 21:32:13,341 WARN L205 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-04-28 21:32:13,534 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-04-28 21:32:13,696 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-04-28 21:32:13,854 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-04-28 21:32:14,014 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-04-28 21:32:14,271 WARN L205 SmtUtils]: Spent 254.00 ms on a formula simplification that was a NOOP. DAG size: 89 [2021-04-28 21:32:14,540 WARN L205 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 89 [2021-04-28 21:32:14,790 WARN L205 SmtUtils]: Spent 247.00 ms on a formula simplification that was a NOOP. DAG size: 89 [2021-04-28 21:32:15,050 WARN L205 SmtUtils]: Spent 258.00 ms on a formula simplification that was a NOOP. DAG size: 89 [2021-04-28 21:32:15,201 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2021-04-28 21:32:15,350 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2021-04-28 21:32:15,495 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2021-04-28 21:32:15,643 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2021-04-28 21:32:15,887 WARN L205 SmtUtils]: Spent 242.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2021-04-28 21:32:16,123 WARN L205 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2021-04-28 21:32:16,373 WARN L205 SmtUtils]: Spent 247.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2021-04-28 21:32:16,615 WARN L205 SmtUtils]: Spent 240.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2021-04-28 21:32:16,780 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-04-28 21:32:16,946 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-04-28 21:32:17,111 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-04-28 21:32:17,275 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-04-28 21:32:17,433 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-04-28 21:32:17,597 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-04-28 21:32:17,754 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-04-28 21:32:17,917 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-04-28 21:32:18,054 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2021-04-28 21:32:18,191 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2021-04-28 21:32:18,328 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2021-04-28 21:32:18,474 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2021-04-28 21:32:18,630 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-04-28 21:32:18,786 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-04-28 21:32:18,944 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-04-28 21:32:19,104 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-04-28 21:32:19,250 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2021-04-28 21:32:19,392 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2021-04-28 21:32:19,534 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2021-04-28 21:32:19,675 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2021-04-28 21:32:19,836 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-04-28 21:32:19,998 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-04-28 21:32:20,158 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-04-28 21:32:20,318 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-04-28 21:32:20,471 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-04-28 21:32:20,622 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-04-28 21:32:20,775 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-04-28 21:32:20,932 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-04-28 21:32:21,211 WARN L205 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-28 21:32:21,497 WARN L205 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-28 21:32:21,770 WARN L205 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-28 21:32:22,030 WARN L205 SmtUtils]: Spent 258.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-28 21:32:22,302 WARN L205 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 21:32:22,576 WARN L205 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 21:32:22,859 WARN L205 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 21:32:23,140 WARN L205 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 21:32:23,388 WARN L205 SmtUtils]: Spent 246.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-28 21:32:23,650 WARN L205 SmtUtils]: Spent 261.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-28 21:32:23,932 WARN L205 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-28 21:32:24,205 WARN L205 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-28 21:32:24,531 WARN L205 SmtUtils]: Spent 323.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2021-04-28 21:32:24,876 WARN L205 SmtUtils]: Spent 343.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2021-04-28 21:32:25,221 WARN L205 SmtUtils]: Spent 343.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2021-04-28 21:32:25,566 WARN L205 SmtUtils]: Spent 343.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2021-04-28 21:32:25,906 WARN L205 SmtUtils]: Spent 336.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 21:32:26,235 WARN L205 SmtUtils]: Spent 328.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 21:32:26,562 WARN L205 SmtUtils]: Spent 324.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 21:32:26,897 WARN L205 SmtUtils]: Spent 334.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 21:32:27,149 WARN L205 SmtUtils]: Spent 249.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-04-28 21:32:27,382 WARN L205 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-04-28 21:32:27,611 WARN L205 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-04-28 21:32:27,860 WARN L205 SmtUtils]: Spent 247.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-04-28 21:32:28,154 WARN L205 SmtUtils]: Spent 292.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-28 21:32:28,457 WARN L205 SmtUtils]: Spent 301.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-28 21:32:28,755 WARN L205 SmtUtils]: Spent 295.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-28 21:32:29,059 WARN L205 SmtUtils]: Spent 302.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-28 21:32:29,366 WARN L205 SmtUtils]: Spent 304.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 21:32:29,675 WARN L205 SmtUtils]: Spent 307.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 21:32:29,991 WARN L205 SmtUtils]: Spent 314.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 21:32:30,304 WARN L205 SmtUtils]: Spent 310.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 21:32:30,603 WARN L205 SmtUtils]: Spent 297.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 21:32:30,909 WARN L205 SmtUtils]: Spent 304.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 21:32:31,194 WARN L205 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 21:32:31,489 WARN L205 SmtUtils]: Spent 293.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 21:32:31,749 WARN L205 SmtUtils]: Spent 257.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-28 21:32:32,016 WARN L205 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-28 21:32:32,275 WARN L205 SmtUtils]: Spent 256.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-28 21:32:32,536 WARN L205 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-28 21:32:32,765 WARN L205 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-04-28 21:32:33,003 WARN L205 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-04-28 21:32:33,242 WARN L205 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-04-28 21:32:33,478 WARN L205 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-04-28 21:32:33,728 WARN L205 SmtUtils]: Spent 248.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 21:32:33,997 WARN L205 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 21:32:34,257 WARN L205 SmtUtils]: Spent 258.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 21:32:34,516 WARN L205 SmtUtils]: Spent 257.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 21:32:34,786 WARN L205 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-28 21:32:35,072 WARN L205 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-28 21:32:35,338 WARN L205 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-28 21:32:35,607 WARN L205 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-28 21:32:35,864 WARN L205 SmtUtils]: Spent 255.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-28 21:32:36,136 WARN L205 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-28 21:32:36,416 WARN L205 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-28 21:32:36,697 WARN L205 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-28 21:32:36,967 WARN L205 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-04-28 21:32:37,188 WARN L205 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-04-28 21:32:37,404 WARN L205 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-04-28 21:32:37,619 WARN L205 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-04-28 21:32:38,003 WARN L205 SmtUtils]: Spent 381.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2021-04-28 21:32:38,402 WARN L205 SmtUtils]: Spent 398.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2021-04-28 21:32:38,802 WARN L205 SmtUtils]: Spent 397.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2021-04-28 21:32:39,198 WARN L205 SmtUtils]: Spent 394.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2021-04-28 21:32:39,565 WARN L205 SmtUtils]: Spent 365.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2021-04-28 21:32:39,919 WARN L205 SmtUtils]: Spent 352.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2021-04-28 21:32:40,289 WARN L205 SmtUtils]: Spent 367.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2021-04-28 21:32:40,665 WARN L205 SmtUtils]: Spent 374.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2021-04-28 21:32:41,068 WARN L205 SmtUtils]: Spent 400.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2021-04-28 21:32:41,454 WARN L205 SmtUtils]: Spent 385.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2021-04-28 21:32:41,851 WARN L205 SmtUtils]: Spent 394.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2021-04-28 21:32:42,242 WARN L205 SmtUtils]: Spent 389.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2021-04-28 21:32:42,619 WARN L205 SmtUtils]: Spent 375.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-04-28 21:32:42,998 WARN L205 SmtUtils]: Spent 377.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-04-28 21:32:43,371 WARN L205 SmtUtils]: Spent 370.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-04-28 21:32:43,747 WARN L205 SmtUtils]: Spent 374.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-04-28 21:32:44,744 WARN L205 SmtUtils]: Spent 993.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 119 [2021-04-28 21:32:45,277 WARN L205 SmtUtils]: Spent 531.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2021-04-28 21:32:46,249 WARN L205 SmtUtils]: Spent 968.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 119 [2021-04-28 21:32:46,729 WARN L205 SmtUtils]: Spent 477.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2021-04-28 21:32:47,114 WARN L205 SmtUtils]: Spent 379.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2021-04-28 21:32:47,503 WARN L205 SmtUtils]: Spent 387.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2021-04-28 21:32:47,908 WARN L205 SmtUtils]: Spent 402.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2021-04-28 21:32:48,308 WARN L205 SmtUtils]: Spent 398.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2021-04-28 21:32:48,707 WARN L205 SmtUtils]: Spent 393.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-04-28 21:32:49,085 WARN L205 SmtUtils]: Spent 376.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-04-28 21:32:49,474 WARN L205 SmtUtils]: Spent 387.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-04-28 21:32:49,867 WARN L205 SmtUtils]: Spent 392.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-04-28 21:32:50,259 WARN L205 SmtUtils]: Spent 389.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2021-04-28 21:32:50,636 WARN L205 SmtUtils]: Spent 375.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2021-04-28 21:32:50,983 WARN L205 SmtUtils]: Spent 345.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2021-04-28 21:32:51,330 WARN L205 SmtUtils]: Spent 342.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2021-04-28 21:32:51,735 WARN L205 SmtUtils]: Spent 402.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2021-04-28 21:32:52,154 WARN L205 SmtUtils]: Spent 417.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2021-04-28 21:32:52,543 WARN L205 SmtUtils]: Spent 384.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2021-04-28 21:32:52,905 WARN L205 SmtUtils]: Spent 361.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2021-04-28 21:32:53,253 WARN L205 SmtUtils]: Spent 345.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2021-04-28 21:32:53,606 WARN L205 SmtUtils]: Spent 351.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2021-04-28 21:32:53,978 WARN L205 SmtUtils]: Spent 370.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2021-04-28 21:32:54,347 WARN L205 SmtUtils]: Spent 367.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2021-04-28 21:32:55,497 WARN L205 SmtUtils]: Spent 1.15 s on a formula simplification. DAG size of input: 126 DAG size of output: 124 [2021-04-28 21:32:56,002 WARN L205 SmtUtils]: Spent 502.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2021-04-28 21:32:57,065 WARN L205 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 126 DAG size of output: 124 [2021-04-28 21:32:57,607 WARN L205 SmtUtils]: Spent 540.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2021-04-28 21:32:57,669 INFO L158 LiptonReduction]: Checked pairs total: 24899 [2021-04-28 21:32:57,669 INFO L160 LiptonReduction]: Total number of compositions: 262 [2021-04-28 21:32:57,674 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 160117 [2021-04-28 21:32:57,702 INFO L129 PetriNetUnfolder]: 2/102 cut-off events. [2021-04-28 21:32:57,702 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 21:32:57,703 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 21:32:57,703 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 21:32:57,704 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 21:32:57,709 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 21:32:57,710 INFO L82 PathProgramCache]: Analyzing trace with hash -1988398300, now seen corresponding path program 1 times [2021-04-28 21:32:57,720 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 21:32:57,720 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1040104241] [2021-04-28 21:32:57,721 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 21:32:57,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 21:32:58,073 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 21:32:58,075 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 21:32:58,092 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 21:32:58,093 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1040104241] [2021-04-28 21:32:58,093 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 21:32:58,094 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-04-28 21:32:58,094 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1195836344] [2021-04-28 21:32:58,104 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-04-28 21:32:58,105 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 21:32:58,120 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-04-28 21:32:58,122 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-04-28 21:32:58,126 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 304 out of 379 [2021-04-28 21:32:58,132 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 153 places, 142 transitions, 296 flow. Second operand has 3 states, 3 states have (on average 304.6666666666667) internal successors, (914), 3 states have internal predecessors, (914), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:32:58,132 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 21:32:58,133 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 304 of 379 [2021-04-28 21:32:58,134 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 21:32:58,721 INFO L129 PetriNetUnfolder]: 212/677 cut-off events. [2021-04-28 21:32:58,721 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 21:32:58,725 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1083 conditions, 677 events. 212/677 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 94. Compared 5244 event pairs, 16 based on Foata normal form. 10/308 useless extension candidates. Maximal degree in co-relation 1006. Up to 333 conditions per place. [2021-04-28 21:32:58,729 INFO L132 encePairwiseOnDemand]: 361/379 looper letters, 7 selfloop transitions, 4 changer transitions 102/154 dead transitions. [2021-04-28 21:32:58,729 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 152 places, 154 transitions, 418 flow [2021-04-28 21:32:58,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-28 21:32:58,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-04-28 21:32:58,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 963 transitions. [2021-04-28 21:32:58,753 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8469656992084432 [2021-04-28 21:32:58,754 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 963 transitions. [2021-04-28 21:32:58,754 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 963 transitions. [2021-04-28 21:32:58,758 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 21:32:58,761 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 963 transitions. [2021-04-28 21:32:58,767 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 321.0) internal successors, (963), 3 states have internal predecessors, (963), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:32:58,779 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 379.0) internal successors, (1516), 4 states have internal predecessors, (1516), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:32:58,781 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 379.0) internal successors, (1516), 4 states have internal predecessors, (1516), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:32:58,787 INFO L185 Difference]: Start difference. First operand has 153 places, 142 transitions, 296 flow. Second operand 3 states and 963 transitions. [2021-04-28 21:32:58,788 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 152 places, 154 transitions, 418 flow [2021-04-28 21:32:58,792 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 148 places, 154 transitions, 414 flow, removed 0 selfloop flow, removed 4 redundant places. [2021-04-28 21:32:58,798 INFO L241 Difference]: Finished difference. Result has 148 places, 49 transitions, 114 flow [2021-04-28 21:32:58,800 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=379, PETRI_DIFFERENCE_MINUEND_FLOW=282, PETRI_DIFFERENCE_MINUEND_PLACES=146, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=137, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=133, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=114, PETRI_PLACES=148, PETRI_TRANSITIONS=49} [2021-04-28 21:32:58,801 INFO L343 CegarLoopForPetriNet]: 153 programPoint places, -5 predicate places. [2021-04-28 21:32:58,801 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 21:32:58,802 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 148 places, 49 transitions, 114 flow [2021-04-28 21:32:58,803 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 148 places, 49 transitions, 114 flow [2021-04-28 21:32:58,804 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 60 places, 49 transitions, 114 flow [2021-04-28 21:32:58,813 INFO L129 PetriNetUnfolder]: 0/49 cut-off events. [2021-04-28 21:32:58,813 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 21:32:58,813 INFO L84 FinitePrefix]: Finished finitePrefix Result has 63 conditions, 49 events. 0/49 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 172 event pairs, 0 based on Foata normal form. 0/27 useless extension candidates. Maximal degree in co-relation 0. Up to 4 conditions per place. [2021-04-28 21:32:58,815 INFO L146 LiptonReduction]: Number of co-enabled transitions 1464 [2021-04-28 21:32:59,291 INFO L158 LiptonReduction]: Checked pairs total: 1426 [2021-04-28 21:32:59,291 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 21:32:59,292 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 491 [2021-04-28 21:32:59,294 INFO L480 AbstractCegarLoop]: Abstraction has has 60 places, 49 transitions, 114 flow [2021-04-28 21:32:59,296 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 304.6666666666667) internal successors, (914), 3 states have internal predecessors, (914), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:32:59,296 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 21:32:59,296 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 21:32:59,296 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-04-28 21:32:59,297 INFO L428 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 21:32:59,297 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 21:32:59,297 INFO L82 PathProgramCache]: Analyzing trace with hash 409763528, now seen corresponding path program 1 times [2021-04-28 21:32:59,297 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 21:32:59,298 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [234728823] [2021-04-28 21:32:59,298 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 21:32:59,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 21:32:59,440 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 21:32:59,441 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 21:32:59,451 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 21:32:59,451 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [234728823] [2021-04-28 21:32:59,451 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 21:32:59,452 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-04-28 21:32:59,452 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [177691663] [2021-04-28 21:32:59,455 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-04-28 21:32:59,455 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 21:32:59,456 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-04-28 21:32:59,459 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-04-28 21:32:59,461 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 265 out of 379 [2021-04-28 21:32:59,463 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 60 places, 49 transitions, 114 flow. Second operand has 3 states, 3 states have (on average 265.6666666666667) internal successors, (797), 3 states have internal predecessors, (797), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:32:59,463 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 21:32:59,463 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 265 of 379 [2021-04-28 21:32:59,463 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 21:32:59,487 INFO L129 PetriNetUnfolder]: 0/49 cut-off events. [2021-04-28 21:32:59,488 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 21:32:59,488 INFO L84 FinitePrefix]: Finished finitePrefix Result has 67 conditions, 49 events. 0/49 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 157 event pairs, 0 based on Foata normal form. 1/28 useless extension candidates. Maximal degree in co-relation 0. Up to 4 conditions per place. [2021-04-28 21:32:59,489 INFO L132 encePairwiseOnDemand]: 376/379 looper letters, 1 selfloop transitions, 2 changer transitions 12/49 dead transitions. [2021-04-28 21:32:59,489 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 62 places, 49 transitions, 120 flow [2021-04-28 21:32:59,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-28 21:32:59,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-04-28 21:32:59,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 799 transitions. [2021-04-28 21:32:59,497 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.702726473175022 [2021-04-28 21:32:59,497 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 799 transitions. [2021-04-28 21:32:59,498 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 799 transitions. [2021-04-28 21:32:59,498 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 21:32:59,498 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 799 transitions. [2021-04-28 21:32:59,501 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 266.3333333333333) internal successors, (799), 3 states have internal predecessors, (799), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:32:59,506 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 379.0) internal successors, (1516), 4 states have internal predecessors, (1516), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:32:59,508 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 379.0) internal successors, (1516), 4 states have internal predecessors, (1516), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:32:59,508 INFO L185 Difference]: Start difference. First operand has 60 places, 49 transitions, 114 flow. Second operand 3 states and 799 transitions. [2021-04-28 21:32:59,508 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 62 places, 49 transitions, 120 flow [2021-04-28 21:32:59,510 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 60 places, 49 transitions, 112 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-04-28 21:32:59,511 INFO L241 Difference]: Finished difference. Result has 61 places, 37 transitions, 90 flow [2021-04-28 21:32:59,512 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=379, PETRI_DIFFERENCE_MINUEND_FLOW=106, PETRI_DIFFERENCE_MINUEND_PLACES=58, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=49, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=47, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=90, PETRI_PLACES=61, PETRI_TRANSITIONS=37} [2021-04-28 21:32:59,512 INFO L343 CegarLoopForPetriNet]: 153 programPoint places, -92 predicate places. [2021-04-28 21:32:59,512 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 21:32:59,513 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 61 places, 37 transitions, 90 flow [2021-04-28 21:32:59,514 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 61 places, 37 transitions, 90 flow [2021-04-28 21:32:59,515 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 49 places, 37 transitions, 90 flow [2021-04-28 21:32:59,522 INFO L129 PetriNetUnfolder]: 0/37 cut-off events. [2021-04-28 21:32:59,522 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 21:32:59,522 INFO L84 FinitePrefix]: Finished finitePrefix Result has 52 conditions, 37 events. 0/37 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 90 event pairs, 0 based on Foata normal form. 0/26 useless extension candidates. Maximal degree in co-relation 0. Up to 3 conditions per place. [2021-04-28 21:32:59,523 INFO L146 LiptonReduction]: Number of co-enabled transitions 806 [2021-04-28 21:33:00,663 INFO L158 LiptonReduction]: Checked pairs total: 1926 [2021-04-28 21:33:00,663 INFO L160 LiptonReduction]: Total number of compositions: 1 [2021-04-28 21:33:00,664 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1152 [2021-04-28 21:33:00,666 INFO L480 AbstractCegarLoop]: Abstraction has has 49 places, 37 transitions, 90 flow [2021-04-28 21:33:00,667 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 265.6666666666667) internal successors, (797), 3 states have internal predecessors, (797), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:33:00,667 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 21:33:00,667 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 21:33:00,667 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-04-28 21:33:00,668 INFO L428 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 21:33:00,668 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 21:33:00,668 INFO L82 PathProgramCache]: Analyzing trace with hash -1354353326, now seen corresponding path program 1 times [2021-04-28 21:33:00,668 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 21:33:00,669 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1002915762] [2021-04-28 21:33:00,669 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 21:33:00,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 21:33:00,772 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 21:33:00,774 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 21:33:00,782 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 21:33:00,782 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1002915762] [2021-04-28 21:33:00,782 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 21:33:00,782 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-04-28 21:33:00,783 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [322719252] [2021-04-28 21:33:00,783 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-04-28 21:33:00,783 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 21:33:00,784 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-04-28 21:33:00,784 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-04-28 21:33:00,786 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 276 out of 380 [2021-04-28 21:33:00,787 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 49 places, 37 transitions, 90 flow. Second operand has 3 states, 3 states have (on average 276.6666666666667) internal successors, (830), 3 states have internal predecessors, (830), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:33:00,788 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 21:33:00,788 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 276 of 380 [2021-04-28 21:33:00,788 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 21:33:00,817 INFO L129 PetriNetUnfolder]: 3/53 cut-off events. [2021-04-28 21:33:00,817 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2021-04-28 21:33:00,818 INFO L84 FinitePrefix]: Finished finitePrefix Result has 81 conditions, 53 events. 3/53 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 152 event pairs, 1 based on Foata normal form. 1/38 useless extension candidates. Maximal degree in co-relation 71. Up to 10 conditions per place. [2021-04-28 21:33:00,818 INFO L132 encePairwiseOnDemand]: 376/380 looper letters, 3 selfloop transitions, 3 changer transitions 0/39 dead transitions. [2021-04-28 21:33:00,819 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 51 places, 39 transitions, 106 flow [2021-04-28 21:33:00,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-28 21:33:00,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-04-28 21:33:00,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 835 transitions. [2021-04-28 21:33:00,825 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7324561403508771 [2021-04-28 21:33:00,825 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 835 transitions. [2021-04-28 21:33:00,825 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 835 transitions. [2021-04-28 21:33:00,826 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 21:33:00,826 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 835 transitions. [2021-04-28 21:33:00,829 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 278.3333333333333) internal successors, (835), 3 states have internal predecessors, (835), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:33:00,832 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 380.0) internal successors, (1520), 4 states have internal predecessors, (1520), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:33:00,833 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 380.0) internal successors, (1520), 4 states have internal predecessors, (1520), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:33:00,834 INFO L185 Difference]: Start difference. First operand has 49 places, 37 transitions, 90 flow. Second operand 3 states and 835 transitions. [2021-04-28 21:33:00,834 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 51 places, 39 transitions, 106 flow [2021-04-28 21:33:00,835 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 49 places, 39 transitions, 102 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-04-28 21:33:00,836 INFO L241 Difference]: Finished difference. Result has 50 places, 39 transitions, 105 flow [2021-04-28 21:33:00,836 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=380, PETRI_DIFFERENCE_MINUEND_FLOW=86, PETRI_DIFFERENCE_MINUEND_PLACES=47, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=37, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=34, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=105, PETRI_PLACES=50, PETRI_TRANSITIONS=39} [2021-04-28 21:33:00,836 INFO L343 CegarLoopForPetriNet]: 153 programPoint places, -103 predicate places. [2021-04-28 21:33:00,836 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 21:33:00,837 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 50 places, 39 transitions, 105 flow [2021-04-28 21:33:00,837 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 50 places, 39 transitions, 105 flow [2021-04-28 21:33:00,837 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 50 places, 39 transitions, 105 flow [2021-04-28 21:33:00,846 INFO L129 PetriNetUnfolder]: 3/53 cut-off events. [2021-04-28 21:33:00,847 INFO L130 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2021-04-28 21:33:00,847 INFO L84 FinitePrefix]: Finished finitePrefix Result has 81 conditions, 53 events. 3/53 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 158 event pairs, 1 based on Foata normal form. 0/36 useless extension candidates. Maximal degree in co-relation 72. Up to 10 conditions per place. [2021-04-28 21:33:00,849 INFO L146 LiptonReduction]: Number of co-enabled transitions 868 [2021-04-28 21:33:01,154 INFO L158 LiptonReduction]: Checked pairs total: 770 [2021-04-28 21:33:01,154 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 21:33:01,154 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 318 [2021-04-28 21:33:01,156 INFO L480 AbstractCegarLoop]: Abstraction has has 50 places, 39 transitions, 105 flow [2021-04-28 21:33:01,157 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 276.6666666666667) internal successors, (830), 3 states have internal predecessors, (830), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:33:01,157 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 21:33:01,157 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 21:33:01,158 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-04-28 21:33:01,158 INFO L428 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 21:33:01,158 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 21:33:01,158 INFO L82 PathProgramCache]: Analyzing trace with hash -1354333951, now seen corresponding path program 1 times [2021-04-28 21:33:01,158 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 21:33:01,159 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [182978349] [2021-04-28 21:33:01,159 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 21:33:01,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 21:33:01,302 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 21:33:01,304 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-28 21:33:01,330 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 21:33:01,333 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-28 21:33:01,358 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 21:33:01,360 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-28 21:33:01,387 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 21:33:01,388 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [182978349] [2021-04-28 21:33:01,388 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 21:33:01,388 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-04-28 21:33:01,388 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1990948130] [2021-04-28 21:33:01,389 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-04-28 21:33:01,389 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 21:33:01,390 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-04-28 21:33:01,390 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-04-28 21:33:01,393 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 238 out of 380 [2021-04-28 21:33:01,395 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 50 places, 39 transitions, 105 flow. Second operand has 5 states, 5 states have (on average 238.8) internal successors, (1194), 5 states have internal predecessors, (1194), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:33:01,395 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 21:33:01,395 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 238 of 380 [2021-04-28 21:33:01,395 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 21:33:01,565 INFO L129 PetriNetUnfolder]: 60/186 cut-off events. [2021-04-28 21:33:01,565 INFO L130 PetriNetUnfolder]: For 28/28 co-relation queries the response was YES. [2021-04-28 21:33:01,567 INFO L84 FinitePrefix]: Finished finitePrefix Result has 348 conditions, 186 events. 60/186 cut-off events. For 28/28 co-relation queries the response was YES. Maximal size of possible extension queue 28. Compared 941 event pairs, 21 based on Foata normal form. 1/133 useless extension candidates. Maximal degree in co-relation 337. Up to 97 conditions per place. [2021-04-28 21:33:01,568 INFO L132 encePairwiseOnDemand]: 374/380 looper letters, 9 selfloop transitions, 6 changer transitions 0/46 dead transitions. [2021-04-28 21:33:01,568 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 53 places, 46 transitions, 150 flow [2021-04-28 21:33:01,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-04-28 21:33:01,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-04-28 21:33:01,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 968 transitions. [2021-04-28 21:33:01,576 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6368421052631579 [2021-04-28 21:33:01,576 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 968 transitions. [2021-04-28 21:33:01,576 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 968 transitions. [2021-04-28 21:33:01,577 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 21:33:01,577 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 968 transitions. [2021-04-28 21:33:01,580 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 242.0) internal successors, (968), 4 states have internal predecessors, (968), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:33:01,584 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 380.0) internal successors, (1900), 5 states have internal predecessors, (1900), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:33:01,586 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 380.0) internal successors, (1900), 5 states have internal predecessors, (1900), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:33:01,586 INFO L185 Difference]: Start difference. First operand has 50 places, 39 transitions, 105 flow. Second operand 4 states and 968 transitions. [2021-04-28 21:33:01,586 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 53 places, 46 transitions, 150 flow [2021-04-28 21:33:01,587 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 52 places, 46 transitions, 147 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-04-28 21:33:01,589 INFO L241 Difference]: Finished difference. Result has 54 places, 44 transitions, 143 flow [2021-04-28 21:33:01,589 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=380, PETRI_DIFFERENCE_MINUEND_FLOW=102, PETRI_DIFFERENCE_MINUEND_PLACES=49, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=39, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=34, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=143, PETRI_PLACES=54, PETRI_TRANSITIONS=44} [2021-04-28 21:33:01,589 INFO L343 CegarLoopForPetriNet]: 153 programPoint places, -99 predicate places. [2021-04-28 21:33:01,589 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 21:33:01,590 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 54 places, 44 transitions, 143 flow [2021-04-28 21:33:01,590 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 54 places, 44 transitions, 143 flow [2021-04-28 21:33:01,590 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 54 places, 44 transitions, 143 flow [2021-04-28 21:33:01,604 INFO L129 PetriNetUnfolder]: 8/78 cut-off events. [2021-04-28 21:33:01,604 INFO L130 PetriNetUnfolder]: For 28/31 co-relation queries the response was YES. [2021-04-28 21:33:01,605 INFO L84 FinitePrefix]: Finished finitePrefix Result has 141 conditions, 78 events. 8/78 cut-off events. For 28/31 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 303 event pairs, 3 based on Foata normal form. 1/49 useless extension candidates. Maximal degree in co-relation 129. Up to 15 conditions per place. [2021-04-28 21:33:01,607 INFO L146 LiptonReduction]: Number of co-enabled transitions 1000 [2021-04-28 21:33:01,843 INFO L158 LiptonReduction]: Checked pairs total: 643 [2021-04-28 21:33:01,844 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 21:33:01,844 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 255 [2021-04-28 21:33:01,845 INFO L480 AbstractCegarLoop]: Abstraction has has 54 places, 44 transitions, 143 flow [2021-04-28 21:33:01,846 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 238.8) internal successors, (1194), 5 states have internal predecessors, (1194), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:33:01,847 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 21:33:01,847 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 21:33:01,847 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-04-28 21:33:01,847 INFO L428 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 21:33:01,848 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 21:33:01,848 INFO L82 PathProgramCache]: Analyzing trace with hash -1018259519, now seen corresponding path program 1 times [2021-04-28 21:33:01,848 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 21:33:01,848 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2041809095] [2021-04-28 21:33:01,848 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 21:33:01,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 21:33:01,934 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 21:33:01,935 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-28 21:33:01,957 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 21:33:01,959 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-28 21:33:01,961 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 21:33:01,964 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-28 21:33:01,990 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 21:33:01,992 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-28 21:33:02,015 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 21:33:02,015 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2041809095] [2021-04-28 21:33:02,016 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 21:33:02,016 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-04-28 21:33:02,016 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [138244761] [2021-04-28 21:33:02,016 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-04-28 21:33:02,017 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 21:33:02,017 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-04-28 21:33:02,017 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-04-28 21:33:02,020 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 238 out of 380 [2021-04-28 21:33:02,023 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 54 places, 44 transitions, 143 flow. Second operand has 5 states, 5 states have (on average 239.0) internal successors, (1195), 5 states have internal predecessors, (1195), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:33:02,023 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 21:33:02,023 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 238 of 380 [2021-04-28 21:33:02,023 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 21:33:02,247 INFO L129 PetriNetUnfolder]: 72/208 cut-off events. [2021-04-28 21:33:02,247 INFO L130 PetriNetUnfolder]: For 71/73 co-relation queries the response was YES. [2021-04-28 21:33:02,249 INFO L84 FinitePrefix]: Finished finitePrefix Result has 484 conditions, 208 events. 72/208 cut-off events. For 71/73 co-relation queries the response was YES. Maximal size of possible extension queue 30. Compared 1037 event pairs, 5 based on Foata normal form. 4/156 useless extension candidates. Maximal degree in co-relation 470. Up to 103 conditions per place. [2021-04-28 21:33:02,251 INFO L132 encePairwiseOnDemand]: 372/380 looper letters, 9 selfloop transitions, 13 changer transitions 0/53 dead transitions. [2021-04-28 21:33:02,252 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 58 places, 53 transitions, 212 flow [2021-04-28 21:33:02,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-04-28 21:33:02,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-04-28 21:33:02,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1209 transitions. [2021-04-28 21:33:02,260 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6363157894736842 [2021-04-28 21:33:02,260 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 1209 transitions. [2021-04-28 21:33:02,260 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 1209 transitions. [2021-04-28 21:33:02,261 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 21:33:02,261 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1209 transitions. [2021-04-28 21:33:02,265 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 241.8) internal successors, (1209), 5 states have internal predecessors, (1209), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:33:02,270 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 380.0) internal successors, (2280), 6 states have internal predecessors, (2280), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:33:02,272 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 380.0) internal successors, (2280), 6 states have internal predecessors, (2280), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:33:02,272 INFO L185 Difference]: Start difference. First operand has 54 places, 44 transitions, 143 flow. Second operand 5 states and 1209 transitions. [2021-04-28 21:33:02,272 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 58 places, 53 transitions, 212 flow [2021-04-28 21:33:02,274 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 58 places, 53 transitions, 212 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-04-28 21:33:02,276 INFO L241 Difference]: Finished difference. Result has 60 places, 51 transitions, 212 flow [2021-04-28 21:33:02,276 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=380, PETRI_DIFFERENCE_MINUEND_FLOW=143, PETRI_DIFFERENCE_MINUEND_PLACES=54, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=44, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=35, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=212, PETRI_PLACES=60, PETRI_TRANSITIONS=51} [2021-04-28 21:33:02,276 INFO L343 CegarLoopForPetriNet]: 153 programPoint places, -93 predicate places. [2021-04-28 21:33:02,276 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 21:33:02,277 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 60 places, 51 transitions, 212 flow [2021-04-28 21:33:02,277 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 60 places, 51 transitions, 212 flow [2021-04-28 21:33:02,277 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 60 places, 51 transitions, 212 flow [2021-04-28 21:33:02,307 INFO L129 PetriNetUnfolder]: 32/137 cut-off events. [2021-04-28 21:33:02,307 INFO L130 PetriNetUnfolder]: For 113/126 co-relation queries the response was YES. [2021-04-28 21:33:02,308 INFO L84 FinitePrefix]: Finished finitePrefix Result has 331 conditions, 137 events. 32/137 cut-off events. For 113/126 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 666 event pairs, 8 based on Foata normal form. 2/90 useless extension candidates. Maximal degree in co-relation 315. Up to 42 conditions per place. [2021-04-28 21:33:02,312 INFO L146 LiptonReduction]: Number of co-enabled transitions 1172 [2021-04-28 21:33:02,317 INFO L158 LiptonReduction]: Checked pairs total: 614 [2021-04-28 21:33:02,317 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 21:33:02,318 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 42 [2021-04-28 21:33:02,319 INFO L480 AbstractCegarLoop]: Abstraction has has 60 places, 51 transitions, 212 flow [2021-04-28 21:33:02,320 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 239.0) internal successors, (1195), 5 states have internal predecessors, (1195), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:33:02,320 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 21:33:02,320 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 21:33:02,321 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-04-28 21:33:02,321 INFO L428 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 21:33:02,321 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 21:33:02,321 INFO L82 PathProgramCache]: Analyzing trace with hash 875294941, now seen corresponding path program 2 times [2021-04-28 21:33:02,322 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 21:33:02,322 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1341799122] [2021-04-28 21:33:02,322 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 21:33:02,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 21:33:02,399 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 21:33:02,400 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 21:33:02,410 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 21:33:02,412 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-28 21:33:02,433 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 21:33:02,435 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-28 21:33:02,514 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 21:33:02,515 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-28 21:33:02,516 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 21:33:02,516 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1341799122] [2021-04-28 21:33:02,516 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 21:33:02,517 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-04-28 21:33:02,517 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1299614427] [2021-04-28 21:33:02,517 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-04-28 21:33:02,517 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 21:33:02,518 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-04-28 21:33:02,518 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-04-28 21:33:02,521 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 245 out of 380 [2021-04-28 21:33:02,523 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 60 places, 51 transitions, 212 flow. Second operand has 5 states, 5 states have (on average 246.0) internal successors, (1230), 5 states have internal predecessors, (1230), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:33:02,523 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 21:33:02,523 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 245 of 380 [2021-04-28 21:33:02,523 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 21:33:02,733 INFO L129 PetriNetUnfolder]: 82/234 cut-off events. [2021-04-28 21:33:02,733 INFO L130 PetriNetUnfolder]: For 270/280 co-relation queries the response was YES. [2021-04-28 21:33:02,735 INFO L84 FinitePrefix]: Finished finitePrefix Result has 769 conditions, 234 events. 82/234 cut-off events. For 270/280 co-relation queries the response was YES. Maximal size of possible extension queue 36. Compared 1234 event pairs, 16 based on Foata normal form. 8/186 useless extension candidates. Maximal degree in co-relation 751. Up to 120 conditions per place. [2021-04-28 21:33:02,738 INFO L132 encePairwiseOnDemand]: 372/380 looper letters, 10 selfloop transitions, 16 changer transitions 0/57 dead transitions. [2021-04-28 21:33:02,738 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 64 places, 57 transitions, 304 flow [2021-04-28 21:33:02,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-04-28 21:33:02,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-04-28 21:33:02,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1243 transitions. [2021-04-28 21:33:02,745 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6542105263157895 [2021-04-28 21:33:02,746 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 1243 transitions. [2021-04-28 21:33:02,746 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 1243 transitions. [2021-04-28 21:33:02,747 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 21:33:02,747 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1243 transitions. [2021-04-28 21:33:02,750 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 248.6) internal successors, (1243), 5 states have internal predecessors, (1243), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:33:02,754 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 380.0) internal successors, (2280), 6 states have internal predecessors, (2280), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:33:02,756 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 380.0) internal successors, (2280), 6 states have internal predecessors, (2280), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:33:02,756 INFO L185 Difference]: Start difference. First operand has 60 places, 51 transitions, 212 flow. Second operand 5 states and 1243 transitions. [2021-04-28 21:33:02,756 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 64 places, 57 transitions, 304 flow [2021-04-28 21:33:02,759 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 63 places, 57 transitions, 290 flow, removed 3 selfloop flow, removed 1 redundant places. [2021-04-28 21:33:02,761 INFO L241 Difference]: Finished difference. Result has 65 places, 57 transitions, 297 flow [2021-04-28 21:33:02,761 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=380, PETRI_DIFFERENCE_MINUEND_FLOW=198, PETRI_DIFFERENCE_MINUEND_PLACES=59, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=51, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=12, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=37, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=297, PETRI_PLACES=65, PETRI_TRANSITIONS=57} [2021-04-28 21:33:02,761 INFO L343 CegarLoopForPetriNet]: 153 programPoint places, -88 predicate places. [2021-04-28 21:33:02,761 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 21:33:02,762 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 65 places, 57 transitions, 297 flow [2021-04-28 21:33:02,762 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 65 places, 57 transitions, 297 flow [2021-04-28 21:33:02,763 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 65 places, 57 transitions, 297 flow [2021-04-28 21:33:02,796 INFO L129 PetriNetUnfolder]: 43/164 cut-off events. [2021-04-28 21:33:02,796 INFO L130 PetriNetUnfolder]: For 266/278 co-relation queries the response was YES. [2021-04-28 21:33:02,797 INFO L84 FinitePrefix]: Finished finitePrefix Result has 490 conditions, 164 events. 43/164 cut-off events. For 266/278 co-relation queries the response was YES. Maximal size of possible extension queue 28. Compared 791 event pairs, 10 based on Foata normal form. 3/111 useless extension candidates. Maximal degree in co-relation 471. Up to 57 conditions per place. [2021-04-28 21:33:02,802 INFO L146 LiptonReduction]: Number of co-enabled transitions 1338 [2021-04-28 21:33:02,972 INFO L158 LiptonReduction]: Checked pairs total: 792 [2021-04-28 21:33:02,972 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 21:33:02,972 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 211 [2021-04-28 21:33:02,973 INFO L480 AbstractCegarLoop]: Abstraction has has 65 places, 57 transitions, 297 flow [2021-04-28 21:33:02,974 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 246.0) internal successors, (1230), 5 states have internal predecessors, (1230), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:33:02,974 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 21:33:02,974 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 21:33:02,975 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-04-28 21:33:02,975 INFO L428 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 21:33:02,975 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 21:33:02,975 INFO L82 PathProgramCache]: Analyzing trace with hash -1017994469, now seen corresponding path program 3 times [2021-04-28 21:33:02,975 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 21:33:02,976 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [548903087] [2021-04-28 21:33:02,976 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 21:33:03,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 21:33:03,036 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 21:33:03,037 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-28 21:33:03,054 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 21:33:03,056 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-28 21:33:03,058 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 21:33:03,059 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-28 21:33:03,079 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 21:33:03,080 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-28 21:33:03,106 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 21:33:03,106 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [548903087] [2021-04-28 21:33:03,106 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 21:33:03,106 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-04-28 21:33:03,106 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1847711399] [2021-04-28 21:33:03,107 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-04-28 21:33:03,107 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 21:33:03,107 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-04-28 21:33:03,108 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-04-28 21:33:03,110 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 238 out of 380 [2021-04-28 21:33:03,112 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 65 places, 57 transitions, 297 flow. Second operand has 5 states, 5 states have (on average 239.0) internal successors, (1195), 5 states have internal predecessors, (1195), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:33:03,112 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 21:33:03,112 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 238 of 380 [2021-04-28 21:33:03,112 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 21:33:03,386 INFO L129 PetriNetUnfolder]: 78/230 cut-off events. [2021-04-28 21:33:03,386 INFO L130 PetriNetUnfolder]: For 520/536 co-relation queries the response was YES. [2021-04-28 21:33:03,389 INFO L84 FinitePrefix]: Finished finitePrefix Result has 894 conditions, 230 events. 78/230 cut-off events. For 520/536 co-relation queries the response was YES. Maximal size of possible extension queue 36. Compared 1228 event pairs, 5 based on Foata normal form. 12/186 useless extension candidates. Maximal degree in co-relation 873. Up to 108 conditions per place. [2021-04-28 21:33:03,392 INFO L132 encePairwiseOnDemand]: 372/380 looper letters, 9 selfloop transitions, 18 changer transitions 0/58 dead transitions. [2021-04-28 21:33:03,392 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 70 places, 58 transitions, 354 flow [2021-04-28 21:33:03,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-04-28 21:33:03,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-04-28 21:33:03,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1447 transitions. [2021-04-28 21:33:03,401 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6346491228070176 [2021-04-28 21:33:03,401 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1447 transitions. [2021-04-28 21:33:03,401 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1447 transitions. [2021-04-28 21:33:03,403 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 21:33:03,403 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1447 transitions. [2021-04-28 21:33:03,407 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 241.16666666666666) internal successors, (1447), 6 states have internal predecessors, (1447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:33:03,412 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 380.0) internal successors, (2660), 7 states have internal predecessors, (2660), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:33:03,413 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 380.0) internal successors, (2660), 7 states have internal predecessors, (2660), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:33:03,414 INFO L185 Difference]: Start difference. First operand has 65 places, 57 transitions, 297 flow. Second operand 6 states and 1447 transitions. [2021-04-28 21:33:03,414 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 70 places, 58 transitions, 354 flow [2021-04-28 21:33:03,421 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 69 places, 58 transitions, 341 flow, removed 6 selfloop flow, removed 1 redundant places. [2021-04-28 21:33:03,424 INFO L241 Difference]: Finished difference. Result has 69 places, 56 transitions, 307 flow [2021-04-28 21:33:03,425 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=380, PETRI_DIFFERENCE_MINUEND_FLOW=271, PETRI_DIFFERENCE_MINUEND_PLACES=64, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=56, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=18, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=38, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=307, PETRI_PLACES=69, PETRI_TRANSITIONS=56} [2021-04-28 21:33:03,425 INFO L343 CegarLoopForPetriNet]: 153 programPoint places, -84 predicate places. [2021-04-28 21:33:03,425 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 21:33:03,425 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 69 places, 56 transitions, 307 flow [2021-04-28 21:33:03,426 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 69 places, 56 transitions, 307 flow [2021-04-28 21:33:03,426 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 69 places, 56 transitions, 307 flow [2021-04-28 21:33:03,461 INFO L129 PetriNetUnfolder]: 38/155 cut-off events. [2021-04-28 21:33:03,461 INFO L130 PetriNetUnfolder]: For 293/307 co-relation queries the response was YES. [2021-04-28 21:33:03,462 INFO L84 FinitePrefix]: Finished finitePrefix Result has 488 conditions, 155 events. 38/155 cut-off events. For 293/307 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 785 event pairs, 11 based on Foata normal form. 2/104 useless extension candidates. Maximal degree in co-relation 468. Up to 41 conditions per place. [2021-04-28 21:33:03,468 INFO L146 LiptonReduction]: Number of co-enabled transitions 1308 [2021-04-28 21:33:03,473 INFO L158 LiptonReduction]: Checked pairs total: 777 [2021-04-28 21:33:03,473 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 21:33:03,474 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 49 [2021-04-28 21:33:03,475 INFO L480 AbstractCegarLoop]: Abstraction has has 69 places, 56 transitions, 307 flow [2021-04-28 21:33:03,478 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 239.0) internal successors, (1195), 5 states have internal predecessors, (1195), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:33:03,478 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 21:33:03,479 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 21:33:03,479 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-04-28 21:33:03,479 INFO L428 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 21:33:03,479 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 21:33:03,480 INFO L82 PathProgramCache]: Analyzing trace with hash 869655421, now seen corresponding path program 4 times [2021-04-28 21:33:03,480 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 21:33:03,480 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [917135079] [2021-04-28 21:33:03,480 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 21:33:03,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 21:33:03,632 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 21:33:03,634 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-28 21:33:03,651 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 21:33:03,652 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-28 21:33:03,676 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 21:33:03,677 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-28 21:33:03,700 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 21:33:03,702 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-28 21:33:03,727 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 21:33:03,727 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [917135079] [2021-04-28 21:33:03,727 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 21:33:03,727 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-04-28 21:33:03,727 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [812757364] [2021-04-28 21:33:03,728 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-04-28 21:33:03,729 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 21:33:03,729 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-04-28 21:33:03,729 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-04-28 21:33:03,732 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 233 out of 380 [2021-04-28 21:33:03,734 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 69 places, 56 transitions, 307 flow. Second operand has 6 states, 6 states have (on average 233.83333333333334) internal successors, (1403), 6 states have internal predecessors, (1403), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:33:03,734 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 21:33:03,734 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 233 of 380 [2021-04-28 21:33:03,735 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 21:33:03,983 INFO L129 PetriNetUnfolder]: 80/236 cut-off events. [2021-04-28 21:33:03,983 INFO L130 PetriNetUnfolder]: For 542/554 co-relation queries the response was YES. [2021-04-28 21:33:03,986 INFO L84 FinitePrefix]: Finished finitePrefix Result has 979 conditions, 236 events. 80/236 cut-off events. For 542/554 co-relation queries the response was YES. Maximal size of possible extension queue 38. Compared 1255 event pairs, 5 based on Foata normal form. 8/188 useless extension candidates. Maximal degree in co-relation 957. Up to 121 conditions per place. [2021-04-28 21:33:03,989 INFO L132 encePairwiseOnDemand]: 373/380 looper letters, 13 selfloop transitions, 18 changer transitions 0/62 dead transitions. [2021-04-28 21:33:03,989 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 73 places, 62 transitions, 416 flow [2021-04-28 21:33:03,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-04-28 21:33:03,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-04-28 21:33:03,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1183 transitions. [2021-04-28 21:33:03,996 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6226315789473684 [2021-04-28 21:33:03,997 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 1183 transitions. [2021-04-28 21:33:03,997 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 1183 transitions. [2021-04-28 21:33:03,998 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 21:33:03,998 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1183 transitions. [2021-04-28 21:33:04,001 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 236.6) internal successors, (1183), 5 states have internal predecessors, (1183), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:33:04,004 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 380.0) internal successors, (2280), 6 states have internal predecessors, (2280), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:33:04,005 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 380.0) internal successors, (2280), 6 states have internal predecessors, (2280), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:33:04,006 INFO L185 Difference]: Start difference. First operand has 69 places, 56 transitions, 307 flow. Second operand 5 states and 1183 transitions. [2021-04-28 21:33:04,006 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 73 places, 62 transitions, 416 flow [2021-04-28 21:33:04,009 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 70 places, 62 transitions, 396 flow, removed 2 selfloop flow, removed 3 redundant places. [2021-04-28 21:33:04,011 INFO L241 Difference]: Finished difference. Result has 71 places, 61 transitions, 378 flow [2021-04-28 21:33:04,011 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=380, PETRI_DIFFERENCE_MINUEND_FLOW=289, PETRI_DIFFERENCE_MINUEND_PLACES=66, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=56, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=14, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=41, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=378, PETRI_PLACES=71, PETRI_TRANSITIONS=61} [2021-04-28 21:33:04,012 INFO L343 CegarLoopForPetriNet]: 153 programPoint places, -82 predicate places. [2021-04-28 21:33:04,012 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 21:33:04,012 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 71 places, 61 transitions, 378 flow [2021-04-28 21:33:04,012 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 71 places, 61 transitions, 378 flow [2021-04-28 21:33:04,013 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 71 places, 61 transitions, 378 flow [2021-04-28 21:33:04,046 INFO L129 PetriNetUnfolder]: 42/166 cut-off events. [2021-04-28 21:33:04,046 INFO L130 PetriNetUnfolder]: For 387/400 co-relation queries the response was YES. [2021-04-28 21:33:04,048 INFO L84 FinitePrefix]: Finished finitePrefix Result has 557 conditions, 166 events. 42/166 cut-off events. For 387/400 co-relation queries the response was YES. Maximal size of possible extension queue 29. Compared 829 event pairs, 9 based on Foata normal form. 3/114 useless extension candidates. Maximal degree in co-relation 536. Up to 44 conditions per place. [2021-04-28 21:33:04,053 INFO L146 LiptonReduction]: Number of co-enabled transitions 1426 [2021-04-28 21:33:04,059 INFO L158 LiptonReduction]: Checked pairs total: 862 [2021-04-28 21:33:04,060 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 21:33:04,060 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 48 [2021-04-28 21:33:04,061 INFO L480 AbstractCegarLoop]: Abstraction has has 71 places, 61 transitions, 378 flow [2021-04-28 21:33:04,062 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 233.83333333333334) internal successors, (1403), 6 states have internal predecessors, (1403), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:33:04,062 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 21:33:04,062 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 21:33:04,063 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-04-28 21:33:04,063 INFO L428 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 21:33:04,063 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 21:33:04,063 INFO L82 PathProgramCache]: Analyzing trace with hash 1125737881, now seen corresponding path program 5 times [2021-04-28 21:33:04,063 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 21:33:04,064 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2052819175] [2021-04-28 21:33:04,064 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 21:33:04,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 21:33:04,126 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 21:33:04,128 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-28 21:33:04,151 INFO L142 QuantifierPusher]: treesize reduction 10, result has 81.5 percent of original size [2021-04-28 21:33:04,153 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-04-28 21:33:04,209 INFO L142 QuantifierPusher]: treesize reduction 10, result has 82.5 percent of original size [2021-04-28 21:33:04,212 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-04-28 21:33:04,279 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 21:33:04,281 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-28 21:33:04,312 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 21:33:04,312 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2052819175] [2021-04-28 21:33:04,312 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 21:33:04,313 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-04-28 21:33:04,313 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [22126209] [2021-04-28 21:33:04,313 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-04-28 21:33:04,313 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 21:33:04,314 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-04-28 21:33:04,314 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-04-28 21:33:04,318 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 229 out of 380 [2021-04-28 21:33:04,321 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 71 places, 61 transitions, 378 flow. Second operand has 6 states, 6 states have (on average 229.83333333333334) internal successors, (1379), 6 states have internal predecessors, (1379), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:33:04,321 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 21:33:04,321 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 229 of 380 [2021-04-28 21:33:04,321 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 21:33:04,659 INFO L129 PetriNetUnfolder]: 75/257 cut-off events. [2021-04-28 21:33:04,659 INFO L130 PetriNetUnfolder]: For 733/747 co-relation queries the response was YES. [2021-04-28 21:33:04,663 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1095 conditions, 257 events. 75/257 cut-off events. For 733/747 co-relation queries the response was YES. Maximal size of possible extension queue 51. Compared 1543 event pairs, 1 based on Foata normal form. 13/203 useless extension candidates. Maximal degree in co-relation 1072. Up to 92 conditions per place. [2021-04-28 21:33:04,666 INFO L132 encePairwiseOnDemand]: 373/380 looper letters, 13 selfloop transitions, 22 changer transitions 0/66 dead transitions. [2021-04-28 21:33:04,666 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 76 places, 66 transitions, 492 flow [2021-04-28 21:33:04,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-04-28 21:33:04,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-04-28 21:33:04,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1392 transitions. [2021-04-28 21:33:04,676 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6105263157894737 [2021-04-28 21:33:04,676 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1392 transitions. [2021-04-28 21:33:04,676 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1392 transitions. [2021-04-28 21:33:04,678 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 21:33:04,678 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1392 transitions. [2021-04-28 21:33:04,683 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 232.0) internal successors, (1392), 6 states have internal predecessors, (1392), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:33:04,689 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 380.0) internal successors, (2660), 7 states have internal predecessors, (2660), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:33:04,690 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 380.0) internal successors, (2660), 7 states have internal predecessors, (2660), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:33:04,690 INFO L185 Difference]: Start difference. First operand has 71 places, 61 transitions, 378 flow. Second operand 6 states and 1392 transitions. [2021-04-28 21:33:04,691 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 76 places, 66 transitions, 492 flow [2021-04-28 21:33:04,695 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 75 places, 66 transitions, 474 flow, removed 6 selfloop flow, removed 1 redundant places. [2021-04-28 21:33:04,697 INFO L241 Difference]: Finished difference. Result has 76 places, 63 transitions, 448 flow [2021-04-28 21:33:04,698 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=380, PETRI_DIFFERENCE_MINUEND_FLOW=360, PETRI_DIFFERENCE_MINUEND_PLACES=70, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=61, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=20, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=39, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=448, PETRI_PLACES=76, PETRI_TRANSITIONS=63} [2021-04-28 21:33:04,698 INFO L343 CegarLoopForPetriNet]: 153 programPoint places, -77 predicate places. [2021-04-28 21:33:04,698 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 21:33:04,699 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 76 places, 63 transitions, 448 flow [2021-04-28 21:33:04,699 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 76 places, 63 transitions, 448 flow [2021-04-28 21:33:04,700 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 76 places, 63 transitions, 448 flow [2021-04-28 21:33:04,735 INFO L129 PetriNetUnfolder]: 36/159 cut-off events. [2021-04-28 21:33:04,735 INFO L130 PetriNetUnfolder]: For 480/501 co-relation queries the response was YES. [2021-04-28 21:33:04,737 INFO L84 FinitePrefix]: Finished finitePrefix Result has 606 conditions, 159 events. 36/159 cut-off events. For 480/501 co-relation queries the response was YES. Maximal size of possible extension queue 31. Compared 823 event pairs, 9 based on Foata normal form. 9/118 useless extension candidates. Maximal degree in co-relation 583. Up to 43 conditions per place. [2021-04-28 21:33:04,742 INFO L146 LiptonReduction]: Number of co-enabled transitions 1488 [2021-04-28 21:33:04,885 INFO L158 LiptonReduction]: Checked pairs total: 916 [2021-04-28 21:33:04,885 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 21:33:04,885 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 187 [2021-04-28 21:33:04,887 INFO L480 AbstractCegarLoop]: Abstraction has has 76 places, 63 transitions, 448 flow [2021-04-28 21:33:04,888 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 229.83333333333334) internal successors, (1379), 6 states have internal predecessors, (1379), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:33:04,888 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 21:33:04,888 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 21:33:04,888 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-04-28 21:33:04,888 INFO L428 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 21:33:04,889 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 21:33:04,889 INFO L82 PathProgramCache]: Analyzing trace with hash -148206598, now seen corresponding path program 1 times [2021-04-28 21:33:04,889 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 21:33:04,889 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1597896846] [2021-04-28 21:33:04,889 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 21:33:04,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 21:33:04,959 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 21:33:04,960 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-28 21:33:04,983 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 21:33:04,985 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-28 21:33:04,987 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 21:33:04,988 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-28 21:33:05,019 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 21:33:05,021 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-28 21:33:05,054 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 21:33:05,056 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-28 21:33:05,099 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 21:33:05,100 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1597896846] [2021-04-28 21:33:05,100 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 21:33:05,100 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-04-28 21:33:05,100 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1451007043] [2021-04-28 21:33:05,101 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-04-28 21:33:05,101 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 21:33:05,101 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-04-28 21:33:05,101 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-04-28 21:33:05,104 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 228 out of 380 [2021-04-28 21:33:05,106 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 76 places, 63 transitions, 448 flow. Second operand has 6 states, 6 states have (on average 229.0) internal successors, (1374), 6 states have internal predecessors, (1374), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:33:05,107 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 21:33:05,107 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 228 of 380 [2021-04-28 21:33:05,107 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 21:33:05,509 INFO L129 PetriNetUnfolder]: 75/295 cut-off events. [2021-04-28 21:33:05,509 INFO L130 PetriNetUnfolder]: For 882/896 co-relation queries the response was YES. [2021-04-28 21:33:05,512 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1307 conditions, 295 events. 75/295 cut-off events. For 882/896 co-relation queries the response was YES. Maximal size of possible extension queue 65. Compared 2007 event pairs, 3 based on Foata normal form. 10/217 useless extension candidates. Maximal degree in co-relation 1282. Up to 91 conditions per place. [2021-04-28 21:33:05,515 INFO L132 encePairwiseOnDemand]: 372/380 looper letters, 13 selfloop transitions, 25 changer transitions 0/69 dead transitions. [2021-04-28 21:33:05,515 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 81 places, 69 transitions, 582 flow [2021-04-28 21:33:05,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-04-28 21:33:05,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-04-28 21:33:05,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1391 transitions. [2021-04-28 21:33:05,523 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6100877192982456 [2021-04-28 21:33:05,524 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1391 transitions. [2021-04-28 21:33:05,524 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1391 transitions. [2021-04-28 21:33:05,525 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 21:33:05,525 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1391 transitions. [2021-04-28 21:33:05,529 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 231.83333333333334) internal successors, (1391), 6 states have internal predecessors, (1391), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:33:05,533 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 380.0) internal successors, (2660), 7 states have internal predecessors, (2660), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:33:05,534 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 380.0) internal successors, (2660), 7 states have internal predecessors, (2660), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:33:05,534 INFO L185 Difference]: Start difference. First operand has 76 places, 63 transitions, 448 flow. Second operand 6 states and 1391 transitions. [2021-04-28 21:33:05,535 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 81 places, 69 transitions, 582 flow [2021-04-28 21:33:05,538 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 77 places, 69 transitions, 545 flow, removed 6 selfloop flow, removed 4 redundant places. [2021-04-28 21:33:05,540 INFO L241 Difference]: Finished difference. Result has 78 places, 66 transitions, 523 flow [2021-04-28 21:33:05,540 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=380, PETRI_DIFFERENCE_MINUEND_FLOW=415, PETRI_DIFFERENCE_MINUEND_PLACES=72, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=63, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=22, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=38, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=523, PETRI_PLACES=78, PETRI_TRANSITIONS=66} [2021-04-28 21:33:05,541 INFO L343 CegarLoopForPetriNet]: 153 programPoint places, -75 predicate places. [2021-04-28 21:33:05,541 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 21:33:05,541 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 78 places, 66 transitions, 523 flow [2021-04-28 21:33:05,541 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 78 places, 66 transitions, 523 flow [2021-04-28 21:33:05,542 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 78 places, 66 transitions, 523 flow [2021-04-28 21:33:05,575 INFO L129 PetriNetUnfolder]: 37/179 cut-off events. [2021-04-28 21:33:05,575 INFO L130 PetriNetUnfolder]: For 473/486 co-relation queries the response was YES. [2021-04-28 21:33:05,577 INFO L84 FinitePrefix]: Finished finitePrefix Result has 671 conditions, 179 events. 37/179 cut-off events. For 473/486 co-relation queries the response was YES. Maximal size of possible extension queue 38. Compared 1018 event pairs, 9 based on Foata normal form. 3/122 useless extension candidates. Maximal degree in co-relation 648. Up to 46 conditions per place. [2021-04-28 21:33:05,582 INFO L146 LiptonReduction]: Number of co-enabled transitions 1570 [2021-04-28 21:33:05,589 INFO L158 LiptonReduction]: Checked pairs total: 984 [2021-04-28 21:33:05,589 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 21:33:05,589 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 48 [2021-04-28 21:33:05,591 INFO L480 AbstractCegarLoop]: Abstraction has has 78 places, 66 transitions, 523 flow [2021-04-28 21:33:05,592 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 229.0) internal successors, (1374), 6 states have internal predecessors, (1374), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:33:05,592 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 21:33:05,592 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 21:33:05,592 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-04-28 21:33:05,593 INFO L428 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 21:33:05,593 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 21:33:05,593 INFO L82 PathProgramCache]: Analyzing trace with hash 1364334618, now seen corresponding path program 2 times [2021-04-28 21:33:05,593 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 21:33:05,593 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [768614475] [2021-04-28 21:33:05,593 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 21:33:05,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 21:33:05,658 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 21:33:05,660 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-28 21:33:05,686 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 21:33:05,688 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-28 21:33:05,721 INFO L142 QuantifierPusher]: treesize reduction 10, result has 85.3 percent of original size [2021-04-28 21:33:05,724 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 58 [2021-04-28 21:33:05,807 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 21:33:05,809 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-28 21:33:05,871 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 21:33:05,873 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-28 21:33:05,908 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 21:33:05,909 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [768614475] [2021-04-28 21:33:05,909 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 21:33:05,909 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-04-28 21:33:05,909 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [45832584] [2021-04-28 21:33:05,910 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-04-28 21:33:05,910 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 21:33:05,910 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-04-28 21:33:05,911 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-04-28 21:33:05,913 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 225 out of 380 [2021-04-28 21:33:05,916 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 78 places, 66 transitions, 523 flow. Second operand has 7 states, 7 states have (on average 225.85714285714286) internal successors, (1581), 7 states have internal predecessors, (1581), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:33:05,916 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 21:33:05,916 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 225 of 380 [2021-04-28 21:33:05,916 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 21:33:06,209 INFO L129 PetriNetUnfolder]: 73/309 cut-off events. [2021-04-28 21:33:06,210 INFO L130 PetriNetUnfolder]: For 976/990 co-relation queries the response was YES. [2021-04-28 21:33:06,213 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1389 conditions, 309 events. 73/309 cut-off events. For 976/990 co-relation queries the response was YES. Maximal size of possible extension queue 70. Compared 2200 event pairs, 3 based on Foata normal form. 10/223 useless extension candidates. Maximal degree in co-relation 1364. Up to 123 conditions per place. [2021-04-28 21:33:06,216 INFO L132 encePairwiseOnDemand]: 372/380 looper letters, 22 selfloop transitions, 16 changer transitions 0/69 dead transitions. [2021-04-28 21:33:06,216 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 82 places, 69 transitions, 627 flow [2021-04-28 21:33:06,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-04-28 21:33:06,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-04-28 21:33:06,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1144 transitions. [2021-04-28 21:33:06,224 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6021052631578947 [2021-04-28 21:33:06,224 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 1144 transitions. [2021-04-28 21:33:06,224 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 1144 transitions. [2021-04-28 21:33:06,225 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 21:33:06,225 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1144 transitions. [2021-04-28 21:33:06,227 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 228.8) internal successors, (1144), 5 states have internal predecessors, (1144), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:33:06,231 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 380.0) internal successors, (2280), 6 states have internal predecessors, (2280), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:33:06,232 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 380.0) internal successors, (2280), 6 states have internal predecessors, (2280), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:33:06,232 INFO L185 Difference]: Start difference. First operand has 78 places, 66 transitions, 523 flow. Second operand 5 states and 1144 transitions. [2021-04-28 21:33:06,232 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 82 places, 69 transitions, 627 flow [2021-04-28 21:33:06,237 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 78 places, 69 transitions, 589 flow, removed 3 selfloop flow, removed 4 redundant places. [2021-04-28 21:33:06,239 INFO L241 Difference]: Finished difference. Result has 79 places, 67 transitions, 539 flow [2021-04-28 21:33:06,239 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=380, PETRI_DIFFERENCE_MINUEND_FLOW=487, PETRI_DIFFERENCE_MINUEND_PLACES=74, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=66, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=15, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=50, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=539, PETRI_PLACES=79, PETRI_TRANSITIONS=67} [2021-04-28 21:33:06,239 INFO L343 CegarLoopForPetriNet]: 153 programPoint places, -74 predicate places. [2021-04-28 21:33:06,239 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 21:33:06,240 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 79 places, 67 transitions, 539 flow [2021-04-28 21:33:06,240 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 79 places, 67 transitions, 539 flow [2021-04-28 21:33:06,241 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 79 places, 67 transitions, 539 flow [2021-04-28 21:33:06,274 INFO L129 PetriNetUnfolder]: 35/182 cut-off events. [2021-04-28 21:33:06,274 INFO L130 PetriNetUnfolder]: For 539/557 co-relation queries the response was YES. [2021-04-28 21:33:06,276 INFO L84 FinitePrefix]: Finished finitePrefix Result has 676 conditions, 182 events. 35/182 cut-off events. For 539/557 co-relation queries the response was YES. Maximal size of possible extension queue 38. Compared 1067 event pairs, 10 based on Foata normal form. 4/124 useless extension candidates. Maximal degree in co-relation 652. Up to 47 conditions per place. [2021-04-28 21:33:06,281 INFO L146 LiptonReduction]: Number of co-enabled transitions 1600 [2021-04-28 21:33:06,327 INFO L158 LiptonReduction]: Checked pairs total: 1024 [2021-04-28 21:33:06,328 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 21:33:06,328 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 89 [2021-04-28 21:33:06,329 INFO L480 AbstractCegarLoop]: Abstraction has has 79 places, 67 transitions, 539 flow [2021-04-28 21:33:06,330 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 225.85714285714286) internal successors, (1581), 7 states have internal predecessors, (1581), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:33:06,330 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 21:33:06,330 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 21:33:06,330 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-04-28 21:33:06,330 INFO L428 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 21:33:06,331 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 21:33:06,331 INFO L82 PathProgramCache]: Analyzing trace with hash 1189509498, now seen corresponding path program 3 times [2021-04-28 21:33:06,331 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 21:33:06,331 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1047791621] [2021-04-28 21:33:06,331 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 21:33:06,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 21:33:06,394 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 21:33:06,396 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-28 21:33:06,439 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 21:33:06,441 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-28 21:33:06,493 INFO L142 QuantifierPusher]: treesize reduction 11, result has 60.7 percent of original size [2021-04-28 21:33:06,495 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-28 21:33:06,537 INFO L142 QuantifierPusher]: treesize reduction 11, result has 60.7 percent of original size [2021-04-28 21:33:06,539 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-28 21:33:06,586 INFO L142 QuantifierPusher]: treesize reduction 19, result has 42.4 percent of original size [2021-04-28 21:33:06,587 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-28 21:33:06,628 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 21:33:06,629 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1047791621] [2021-04-28 21:33:06,629 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 21:33:06,629 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-04-28 21:33:06,629 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1158591285] [2021-04-28 21:33:06,630 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-04-28 21:33:06,630 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 21:33:06,630 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-04-28 21:33:06,630 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2021-04-28 21:33:06,633 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 228 out of 380 [2021-04-28 21:33:06,635 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 79 places, 67 transitions, 539 flow. Second operand has 7 states, 7 states have (on average 228.85714285714286) internal successors, (1602), 7 states have internal predecessors, (1602), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:33:06,635 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 21:33:06,635 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 228 of 380 [2021-04-28 21:33:06,636 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 21:33:06,980 INFO L129 PetriNetUnfolder]: 70/304 cut-off events. [2021-04-28 21:33:06,980 INFO L130 PetriNetUnfolder]: For 1006/1020 co-relation queries the response was YES. [2021-04-28 21:33:06,983 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1350 conditions, 304 events. 70/304 cut-off events. For 1006/1020 co-relation queries the response was YES. Maximal size of possible extension queue 69. Compared 2134 event pairs, 3 based on Foata normal form. 10/218 useless extension candidates. Maximal degree in co-relation 1324. Up to 86 conditions per place. [2021-04-28 21:33:06,987 INFO L132 encePairwiseOnDemand]: 372/380 looper letters, 18 selfloop transitions, 21 changer transitions 0/70 dead transitions. [2021-04-28 21:33:06,987 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 83 places, 70 transitions, 639 flow [2021-04-28 21:33:06,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-04-28 21:33:06,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-04-28 21:33:06,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1159 transitions. [2021-04-28 21:33:06,995 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.61 [2021-04-28 21:33:06,996 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 1159 transitions. [2021-04-28 21:33:06,996 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 1159 transitions. [2021-04-28 21:33:06,997 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 21:33:06,997 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1159 transitions. [2021-04-28 21:33:07,000 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 231.8) internal successors, (1159), 5 states have internal predecessors, (1159), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:33:07,004 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 380.0) internal successors, (2280), 6 states have internal predecessors, (2280), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:33:07,004 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 380.0) internal successors, (2280), 6 states have internal predecessors, (2280), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:33:07,005 INFO L185 Difference]: Start difference. First operand has 79 places, 67 transitions, 539 flow. Second operand 5 states and 1159 transitions. [2021-04-28 21:33:07,005 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 83 places, 70 transitions, 639 flow [2021-04-28 21:33:07,010 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 79 places, 70 transitions, 607 flow, removed 1 selfloop flow, removed 4 redundant places. [2021-04-28 21:33:07,012 INFO L241 Difference]: Finished difference. Result has 80 places, 67 transitions, 568 flow [2021-04-28 21:33:07,012 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=380, PETRI_DIFFERENCE_MINUEND_FLOW=507, PETRI_DIFFERENCE_MINUEND_PLACES=75, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=67, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=21, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=46, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=568, PETRI_PLACES=80, PETRI_TRANSITIONS=67} [2021-04-28 21:33:07,012 INFO L343 CegarLoopForPetriNet]: 153 programPoint places, -73 predicate places. [2021-04-28 21:33:07,013 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 21:33:07,013 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 80 places, 67 transitions, 568 flow [2021-04-28 21:33:07,013 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 80 places, 67 transitions, 568 flow [2021-04-28 21:33:07,014 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 80 places, 67 transitions, 568 flow [2021-04-28 21:33:07,054 INFO L129 PetriNetUnfolder]: 34/179 cut-off events. [2021-04-28 21:33:07,054 INFO L130 PetriNetUnfolder]: For 599/617 co-relation queries the response was YES. [2021-04-28 21:33:07,056 INFO L84 FinitePrefix]: Finished finitePrefix Result has 682 conditions, 179 events. 34/179 cut-off events. For 599/617 co-relation queries the response was YES. Maximal size of possible extension queue 38. Compared 1039 event pairs, 8 based on Foata normal form. 4/122 useless extension candidates. Maximal degree in co-relation 658. Up to 44 conditions per place. [2021-04-28 21:33:07,062 INFO L146 LiptonReduction]: Number of co-enabled transitions 1598 [2021-04-28 21:33:07,070 INFO L158 LiptonReduction]: Checked pairs total: 1015 [2021-04-28 21:33:07,070 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 21:33:07,071 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 58 [2021-04-28 21:33:07,072 INFO L480 AbstractCegarLoop]: Abstraction has has 80 places, 67 transitions, 568 flow [2021-04-28 21:33:07,073 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 228.85714285714286) internal successors, (1602), 7 states have internal predecessors, (1602), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:33:07,073 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 21:33:07,073 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 21:33:07,073 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-04-28 21:33:07,073 INFO L428 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 21:33:07,074 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 21:33:07,074 INFO L82 PathProgramCache]: Analyzing trace with hash 65162992, now seen corresponding path program 1 times [2021-04-28 21:33:07,074 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 21:33:07,074 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [13330125] [2021-04-28 21:33:07,074 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 21:33:07,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 21:33:07,138 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 21:33:07,139 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 21:33:07,149 INFO L142 QuantifierPusher]: treesize reduction 11, result has 54.2 percent of original size [2021-04-28 21:33:07,151 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-28 21:33:07,179 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 21:33:07,181 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 21:33:07,181 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 21:33:07,182 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [13330125] [2021-04-28 21:33:07,182 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 21:33:07,182 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-04-28 21:33:07,182 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1637743970] [2021-04-28 21:33:07,182 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-04-28 21:33:07,183 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 21:33:07,183 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-04-28 21:33:07,183 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-04-28 21:33:07,186 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 286 out of 380 [2021-04-28 21:33:07,187 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 80 places, 67 transitions, 568 flow. Second operand has 4 states, 4 states have (on average 286.75) internal successors, (1147), 4 states have internal predecessors, (1147), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:33:07,187 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 21:33:07,188 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 286 of 380 [2021-04-28 21:33:07,188 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 21:33:09,217 INFO L129 PetriNetUnfolder]: 6830/10900 cut-off events. [2021-04-28 21:33:09,217 INFO L130 PetriNetUnfolder]: For 22102/28874 co-relation queries the response was YES. [2021-04-28 21:33:09,310 INFO L84 FinitePrefix]: Finished finitePrefix Result has 32006 conditions, 10900 events. 6830/10900 cut-off events. For 22102/28874 co-relation queries the response was YES. Maximal size of possible extension queue 1932. Compared 91587 event pairs, 3507 based on Foata normal form. 871/5749 useless extension candidates. Maximal degree in co-relation 31980. Up to 7618 conditions per place. [2021-04-28 21:33:09,394 INFO L132 encePairwiseOnDemand]: 365/380 looper letters, 29 selfloop transitions, 26 changer transitions 0/104 dead transitions. [2021-04-28 21:33:09,394 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 84 places, 104 transitions, 752 flow [2021-04-28 21:33:09,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-04-28 21:33:09,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-04-28 21:33:09,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1484 transitions. [2021-04-28 21:33:09,409 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7810526315789473 [2021-04-28 21:33:09,409 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 1484 transitions. [2021-04-28 21:33:09,409 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 1484 transitions. [2021-04-28 21:33:09,412 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 21:33:09,412 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1484 transitions. [2021-04-28 21:33:09,420 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 296.8) internal successors, (1484), 5 states have internal predecessors, (1484), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:33:09,428 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 380.0) internal successors, (2280), 6 states have internal predecessors, (2280), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:33:09,429 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 380.0) internal successors, (2280), 6 states have internal predecessors, (2280), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:33:09,429 INFO L185 Difference]: Start difference. First operand has 80 places, 67 transitions, 568 flow. Second operand 5 states and 1484 transitions. [2021-04-28 21:33:09,429 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 84 places, 104 transitions, 752 flow [2021-04-28 21:33:09,485 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 80 places, 104 transitions, 708 flow, removed 1 selfloop flow, removed 4 redundant places. [2021-04-28 21:33:09,487 INFO L241 Difference]: Finished difference. Result has 83 places, 92 transitions, 731 flow [2021-04-28 21:33:09,488 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=380, PETRI_DIFFERENCE_MINUEND_FLOW=524, PETRI_DIFFERENCE_MINUEND_PLACES=76, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=67, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=53, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=731, PETRI_PLACES=83, PETRI_TRANSITIONS=92} [2021-04-28 21:33:09,488 INFO L343 CegarLoopForPetriNet]: 153 programPoint places, -70 predicate places. [2021-04-28 21:33:09,488 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 21:33:09,488 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 83 places, 92 transitions, 731 flow [2021-04-28 21:33:09,489 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 83 places, 92 transitions, 731 flow [2021-04-28 21:33:09,489 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 83 places, 92 transitions, 731 flow [2021-04-28 21:33:10,907 INFO L129 PetriNetUnfolder]: 6997/10576 cut-off events. [2021-04-28 21:33:10,907 INFO L130 PetriNetUnfolder]: For 18360/23100 co-relation queries the response was YES. [2021-04-28 21:33:10,979 INFO L84 FinitePrefix]: Finished finitePrefix Result has 37886 conditions, 10576 events. 6997/10576 cut-off events. For 18360/23100 co-relation queries the response was YES. Maximal size of possible extension queue 1715. Compared 84136 event pairs, 3250 based on Foata normal form. 84/4636 useless extension candidates. Maximal degree in co-relation 37859. Up to 8674 conditions per place. [2021-04-28 21:33:11,231 INFO L146 LiptonReduction]: Number of co-enabled transitions 2470 [2021-04-28 21:33:11,370 INFO L158 LiptonReduction]: Checked pairs total: 1438 [2021-04-28 21:33:11,371 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 21:33:11,371 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1883 [2021-04-28 21:33:11,372 INFO L480 AbstractCegarLoop]: Abstraction has has 83 places, 92 transitions, 731 flow [2021-04-28 21:33:11,373 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 286.75) internal successors, (1147), 4 states have internal predecessors, (1147), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:33:11,373 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 21:33:11,373 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 21:33:11,373 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-04-28 21:33:11,373 INFO L428 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 21:33:11,374 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 21:33:11,374 INFO L82 PathProgramCache]: Analyzing trace with hash -547042904, now seen corresponding path program 1 times [2021-04-28 21:33:11,374 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 21:33:11,374 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1751471862] [2021-04-28 21:33:11,374 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 21:33:11,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 21:33:11,440 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 21:33:11,442 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 21:33:11,450 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 21:33:11,451 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 21:33:11,466 INFO L142 QuantifierPusher]: treesize reduction 11, result has 54.2 percent of original size [2021-04-28 21:33:11,467 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-28 21:33:11,496 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 21:33:11,498 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 21:33:11,498 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 21:33:11,499 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1751471862] [2021-04-28 21:33:11,499 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 21:33:11,499 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-04-28 21:33:11,499 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1992922603] [2021-04-28 21:33:11,499 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-04-28 21:33:11,499 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 21:33:11,500 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-04-28 21:33:11,500 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-04-28 21:33:11,502 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 286 out of 380 [2021-04-28 21:33:11,504 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 83 places, 92 transitions, 731 flow. Second operand has 5 states, 5 states have (on average 286.8) internal successors, (1434), 5 states have internal predecessors, (1434), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:33:11,504 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 21:33:11,504 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 286 of 380 [2021-04-28 21:33:11,504 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 21:33:13,664 INFO L129 PetriNetUnfolder]: 6455/10678 cut-off events. [2021-04-28 21:33:13,664 INFO L130 PetriNetUnfolder]: For 30225/95500 co-relation queries the response was YES. [2021-04-28 21:33:13,718 INFO L84 FinitePrefix]: Finished finitePrefix Result has 47337 conditions, 10678 events. 6455/10678 cut-off events. For 30225/95500 co-relation queries the response was YES. Maximal size of possible extension queue 2058. Compared 91569 event pairs, 1341 based on Foata normal form. 1055/5683 useless extension candidates. Maximal degree in co-relation 47308. Up to 8692 conditions per place. [2021-04-28 21:33:13,776 INFO L132 encePairwiseOnDemand]: 365/380 looper letters, 29 selfloop transitions, 51 changer transitions 1/129 dead transitions. [2021-04-28 21:33:13,776 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 89 places, 129 transitions, 1111 flow [2021-04-28 21:33:13,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-04-28 21:33:13,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-04-28 21:33:13,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 2081 transitions. [2021-04-28 21:33:13,790 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7823308270676692 [2021-04-28 21:33:13,790 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 2081 transitions. [2021-04-28 21:33:13,790 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 2081 transitions. [2021-04-28 21:33:13,792 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 21:33:13,792 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 2081 transitions. [2021-04-28 21:33:13,797 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 297.2857142857143) internal successors, (2081), 7 states have internal predecessors, (2081), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:33:13,804 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 380.0) internal successors, (3040), 8 states have internal predecessors, (3040), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:33:13,804 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 380.0) internal successors, (3040), 8 states have internal predecessors, (3040), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:33:13,805 INFO L185 Difference]: Start difference. First operand has 83 places, 92 transitions, 731 flow. Second operand 7 states and 2081 transitions. [2021-04-28 21:33:13,805 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 89 places, 129 transitions, 1111 flow [2021-04-28 21:33:13,866 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 88 places, 129 transitions, 1098 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-04-28 21:33:13,869 INFO L241 Difference]: Finished difference. Result has 91 places, 116 transitions, 1084 flow [2021-04-28 21:33:13,869 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=380, PETRI_DIFFERENCE_MINUEND_FLOW=718, PETRI_DIFFERENCE_MINUEND_PLACES=82, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=92, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=26, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=53, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=1084, PETRI_PLACES=91, PETRI_TRANSITIONS=116} [2021-04-28 21:33:13,869 INFO L343 CegarLoopForPetriNet]: 153 programPoint places, -62 predicate places. [2021-04-28 21:33:13,870 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 21:33:13,870 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 91 places, 116 transitions, 1084 flow [2021-04-28 21:33:13,870 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 91 places, 116 transitions, 1084 flow [2021-04-28 21:33:13,871 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 91 places, 116 transitions, 1084 flow [2021-04-28 21:33:15,101 INFO L129 PetriNetUnfolder]: 6442/10289 cut-off events. [2021-04-28 21:33:15,101 INFO L130 PetriNetUnfolder]: For 34025/41108 co-relation queries the response was YES. [2021-04-28 21:33:15,159 INFO L84 FinitePrefix]: Finished finitePrefix Result has 54001 conditions, 10289 events. 6442/10289 cut-off events. For 34025/41108 co-relation queries the response was YES. Maximal size of possible extension queue 1894. Compared 86930 event pairs, 1214 based on Foata normal form. 179/4598 useless extension candidates. Maximal degree in co-relation 53970. Up to 8494 conditions per place. [2021-04-28 21:33:15,280 INFO L146 LiptonReduction]: Number of co-enabled transitions 3108 [2021-04-28 21:33:15,320 INFO L158 LiptonReduction]: Checked pairs total: 2229 [2021-04-28 21:33:15,321 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 21:33:15,321 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1451 [2021-04-28 21:33:15,322 INFO L480 AbstractCegarLoop]: Abstraction has has 91 places, 116 transitions, 1084 flow [2021-04-28 21:33:15,323 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 286.8) internal successors, (1434), 5 states have internal predecessors, (1434), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:33:15,323 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 21:33:15,323 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 21:33:15,323 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-04-28 21:33:15,323 INFO L428 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 21:33:15,324 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 21:33:15,324 INFO L82 PathProgramCache]: Analyzing trace with hash 211643370, now seen corresponding path program 1 times [2021-04-28 21:33:15,324 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 21:33:15,324 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1899908292] [2021-04-28 21:33:15,324 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 21:33:15,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 21:33:15,373 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 21:33:15,374 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 21:33:15,376 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 21:33:15,377 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 21:33:15,385 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 21:33:15,386 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1899908292] [2021-04-28 21:33:15,386 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 21:33:15,386 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-04-28 21:33:15,386 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [304828380] [2021-04-28 21:33:15,386 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-04-28 21:33:15,387 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 21:33:15,387 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-04-28 21:33:15,387 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-04-28 21:33:15,390 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 276 out of 380 [2021-04-28 21:33:15,391 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 91 places, 116 transitions, 1084 flow. Second operand has 3 states, 3 states have (on average 277.0) internal successors, (831), 3 states have internal predecessors, (831), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:33:15,391 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 21:33:15,391 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 276 of 380 [2021-04-28 21:33:15,391 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 21:33:17,890 INFO L129 PetriNetUnfolder]: 11584/18472 cut-off events. [2021-04-28 21:33:17,890 INFO L130 PetriNetUnfolder]: For 74187/132837 co-relation queries the response was YES. [2021-04-28 21:33:17,982 INFO L84 FinitePrefix]: Finished finitePrefix Result has 96842 conditions, 18472 events. 11584/18472 cut-off events. For 74187/132837 co-relation queries the response was YES. Maximal size of possible extension queue 3435. Compared 160309 event pairs, 2601 based on Foata normal form. 366/8019 useless extension candidates. Maximal degree in co-relation 96809. Up to 15742 conditions per place. [2021-04-28 21:33:18,069 INFO L132 encePairwiseOnDemand]: 377/380 looper letters, 3 selfloop transitions, 3 changer transitions 0/116 dead transitions. [2021-04-28 21:33:18,069 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 93 places, 116 transitions, 1096 flow [2021-04-28 21:33:18,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-28 21:33:18,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-04-28 21:33:18,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 834 transitions. [2021-04-28 21:33:18,076 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7315789473684211 [2021-04-28 21:33:18,077 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 834 transitions. [2021-04-28 21:33:18,077 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 834 transitions. [2021-04-28 21:33:18,078 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 21:33:18,078 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 834 transitions. [2021-04-28 21:33:18,080 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 278.0) internal successors, (834), 3 states have internal predecessors, (834), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:33:18,083 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 380.0) internal successors, (1520), 4 states have internal predecessors, (1520), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:33:18,084 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 380.0) internal successors, (1520), 4 states have internal predecessors, (1520), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:33:18,084 INFO L185 Difference]: Start difference. First operand has 91 places, 116 transitions, 1084 flow. Second operand 3 states and 834 transitions. [2021-04-28 21:33:18,084 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 93 places, 116 transitions, 1096 flow [2021-04-28 21:33:18,622 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 90 places, 116 transitions, 958 flow, removed 49 selfloop flow, removed 3 redundant places. [2021-04-28 21:33:18,625 INFO L241 Difference]: Finished difference. Result has 91 places, 116 transitions, 957 flow [2021-04-28 21:33:18,626 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=380, PETRI_DIFFERENCE_MINUEND_FLOW=946, PETRI_DIFFERENCE_MINUEND_PLACES=88, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=116, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=113, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=957, PETRI_PLACES=91, PETRI_TRANSITIONS=116} [2021-04-28 21:33:18,626 INFO L343 CegarLoopForPetriNet]: 153 programPoint places, -62 predicate places. [2021-04-28 21:33:18,626 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 21:33:18,626 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 91 places, 116 transitions, 957 flow [2021-04-28 21:33:18,627 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 91 places, 116 transitions, 957 flow [2021-04-28 21:33:18,628 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 91 places, 116 transitions, 957 flow [2021-04-28 21:33:20,826 INFO L129 PetriNetUnfolder]: 11536/18334 cut-off events. [2021-04-28 21:33:20,826 INFO L130 PetriNetUnfolder]: For 62640/81877 co-relation queries the response was YES. [2021-04-28 21:33:20,923 INFO L84 FinitePrefix]: Finished finitePrefix Result has 91976 conditions, 18334 events. 11536/18334 cut-off events. For 62640/81877 co-relation queries the response was YES. Maximal size of possible extension queue 3516. Compared 165435 event pairs, 2073 based on Foata normal form. 265/7947 useless extension candidates. Maximal degree in co-relation 91945. Up to 14809 conditions per place. [2021-04-28 21:33:21,125 INFO L146 LiptonReduction]: Number of co-enabled transitions 3106 [2021-04-28 21:33:21,278 INFO L158 LiptonReduction]: Checked pairs total: 2229 [2021-04-28 21:33:21,278 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 21:33:21,278 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2652 [2021-04-28 21:33:21,280 INFO L480 AbstractCegarLoop]: Abstraction has has 91 places, 116 transitions, 957 flow [2021-04-28 21:33:21,280 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 277.0) internal successors, (831), 3 states have internal predecessors, (831), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:33:21,280 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 21:33:21,280 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 21:33:21,280 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-04-28 21:33:21,281 INFO L428 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 21:33:21,281 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 21:33:21,281 INFO L82 PathProgramCache]: Analyzing trace with hash -1847706616, now seen corresponding path program 1 times [2021-04-28 21:33:21,281 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 21:33:21,281 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2144187749] [2021-04-28 21:33:21,281 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 21:33:21,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 21:33:21,348 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 21:33:21,349 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 21:33:21,358 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 21:33:21,359 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 21:33:21,371 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 21:33:21,373 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 21:33:21,388 INFO L142 QuantifierPusher]: treesize reduction 11, result has 54.2 percent of original size [2021-04-28 21:33:21,390 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-28 21:33:21,422 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 21:33:21,423 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 21:33:21,423 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 21:33:21,424 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2144187749] [2021-04-28 21:33:21,424 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 21:33:21,424 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-04-28 21:33:21,424 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1085244886] [2021-04-28 21:33:21,424 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-04-28 21:33:21,425 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 21:33:21,425 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-04-28 21:33:21,425 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-04-28 21:33:21,428 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 286 out of 380 [2021-04-28 21:33:21,430 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 91 places, 116 transitions, 957 flow. Second operand has 6 states, 6 states have (on average 286.8333333333333) internal successors, (1721), 6 states have internal predecessors, (1721), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:33:21,430 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 21:33:21,430 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 286 of 380 [2021-04-28 21:33:21,430 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 21:33:24,232 INFO L129 PetriNetUnfolder]: 8893/15151 cut-off events. [2021-04-28 21:33:24,232 INFO L130 PetriNetUnfolder]: For 68765/150663 co-relation queries the response was YES. [2021-04-28 21:33:24,298 INFO L84 FinitePrefix]: Finished finitePrefix Result has 87491 conditions, 15151 events. 8893/15151 cut-off events. For 68765/150663 co-relation queries the response was YES. Maximal size of possible extension queue 3015. Compared 138892 event pairs, 378 based on Foata normal form. 1621/7591 useless extension candidates. Maximal degree in co-relation 87458. Up to 12520 conditions per place. [2021-04-28 21:33:24,351 INFO L132 encePairwiseOnDemand]: 365/380 looper letters, 15 selfloop transitions, 76 changer transitions 12/143 dead transitions. [2021-04-28 21:33:24,352 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 99 places, 143 transitions, 1389 flow [2021-04-28 21:33:24,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-04-28 21:33:24,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-04-28 21:33:24,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 2678 transitions. [2021-04-28 21:33:24,363 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7830409356725146 [2021-04-28 21:33:24,363 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 2678 transitions. [2021-04-28 21:33:24,363 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 2678 transitions. [2021-04-28 21:33:24,366 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 21:33:24,366 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 2678 transitions. [2021-04-28 21:33:24,373 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 297.55555555555554) internal successors, (2678), 9 states have internal predecessors, (2678), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:33:24,380 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 380.0) internal successors, (3800), 10 states have internal predecessors, (3800), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:33:24,382 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 380.0) internal successors, (3800), 10 states have internal predecessors, (3800), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:33:24,382 INFO L185 Difference]: Start difference. First operand has 91 places, 116 transitions, 957 flow. Second operand 9 states and 2678 transitions. [2021-04-28 21:33:24,382 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 99 places, 143 transitions, 1389 flow [2021-04-28 21:33:24,595 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 93 places, 143 transitions, 1359 flow, removed 2 selfloop flow, removed 6 redundant places. [2021-04-28 21:33:24,602 INFO L241 Difference]: Finished difference. Result has 96 places, 131 transitions, 1281 flow [2021-04-28 21:33:24,602 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=380, PETRI_DIFFERENCE_MINUEND_FLOW=787, PETRI_DIFFERENCE_MINUEND_PLACES=85, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=106, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=63, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=42, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=1281, PETRI_PLACES=96, PETRI_TRANSITIONS=131} [2021-04-28 21:33:24,602 INFO L343 CegarLoopForPetriNet]: 153 programPoint places, -57 predicate places. [2021-04-28 21:33:24,602 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 21:33:24,603 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 96 places, 131 transitions, 1281 flow [2021-04-28 21:33:24,603 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 96 places, 131 transitions, 1281 flow [2021-04-28 21:33:24,604 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 96 places, 131 transitions, 1281 flow [2021-04-28 21:33:26,319 INFO L129 PetriNetUnfolder]: 7480/13252 cut-off events. [2021-04-28 21:33:26,319 INFO L130 PetriNetUnfolder]: For 62653/69383 co-relation queries the response was YES. [2021-04-28 21:33:26,392 INFO L84 FinitePrefix]: Finished finitePrefix Result has 83518 conditions, 13252 events. 7480/13252 cut-off events. For 62653/69383 co-relation queries the response was YES. Maximal size of possible extension queue 2645. Compared 128652 event pairs, 405 based on Foata normal form. 104/5516 useless extension candidates. Maximal degree in co-relation 83485. Up to 10657 conditions per place. [2021-04-28 21:33:26,516 INFO L146 LiptonReduction]: Number of co-enabled transitions 3378 [2021-04-28 21:33:26,543 INFO L158 LiptonReduction]: Checked pairs total: 2774 [2021-04-28 21:33:26,543 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 21:33:26,544 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1942 [2021-04-28 21:33:26,545 INFO L480 AbstractCegarLoop]: Abstraction has has 96 places, 131 transitions, 1281 flow [2021-04-28 21:33:26,546 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 286.8333333333333) internal successors, (1721), 6 states have internal predecessors, (1721), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:33:26,546 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 21:33:26,546 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] [2021-04-28 21:33:26,546 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-04-28 21:33:26,546 INFO L428 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 21:33:26,547 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 21:33:26,547 INFO L82 PathProgramCache]: Analyzing trace with hash -1055325942, now seen corresponding path program 1 times [2021-04-28 21:33:26,547 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 21:33:26,547 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1074757889] [2021-04-28 21:33:26,547 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 21:33:26,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 21:33:26,598 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 21:33:26,600 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 21:33:26,601 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 21:33:26,602 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 21:33:26,617 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 21:33:26,618 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 21:33:26,630 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 21:33:26,630 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1074757889] [2021-04-28 21:33:26,631 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 21:33:26,631 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-04-28 21:33:26,631 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [636506923] [2021-04-28 21:33:26,631 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-04-28 21:33:26,631 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 21:33:26,632 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-04-28 21:33:26,632 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-04-28 21:33:26,634 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 259 out of 380 [2021-04-28 21:33:26,635 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 96 places, 131 transitions, 1281 flow. Second operand has 4 states, 4 states have (on average 260.0) internal successors, (1040), 4 states have internal predecessors, (1040), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:33:26,636 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 21:33:26,636 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 259 of 380 [2021-04-28 21:33:26,636 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 21:33:30,425 INFO L129 PetriNetUnfolder]: 14811/25969 cut-off events. [2021-04-28 21:33:30,425 INFO L130 PetriNetUnfolder]: For 147124/270504 co-relation queries the response was YES. [2021-04-28 21:33:30,585 INFO L84 FinitePrefix]: Finished finitePrefix Result has 163915 conditions, 25969 events. 14811/25969 cut-off events. For 147124/270504 co-relation queries the response was YES. Maximal size of possible extension queue 5721. Compared 262124 event pairs, 756 based on Foata normal form. 463/10505 useless extension candidates. Maximal degree in co-relation 163880. Up to 21115 conditions per place. [2021-04-28 21:33:30,658 INFO L132 encePairwiseOnDemand]: 377/380 looper letters, 4 selfloop transitions, 2 changer transitions 0/133 dead transitions. [2021-04-28 21:33:30,658 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 99 places, 133 transitions, 1313 flow [2021-04-28 21:33:30,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-04-28 21:33:30,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-04-28 21:33:30,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 1043 transitions. [2021-04-28 21:33:30,665 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6861842105263158 [2021-04-28 21:33:30,666 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 1043 transitions. [2021-04-28 21:33:30,666 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 1043 transitions. [2021-04-28 21:33:30,667 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 21:33:30,667 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 1043 transitions. [2021-04-28 21:33:30,669 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 260.75) internal successors, (1043), 4 states have internal predecessors, (1043), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:33:30,672 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 380.0) internal successors, (1900), 5 states have internal predecessors, (1900), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:33:30,673 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 380.0) internal successors, (1900), 5 states have internal predecessors, (1900), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:33:30,673 INFO L185 Difference]: Start difference. First operand has 96 places, 131 transitions, 1281 flow. Second operand 4 states and 1043 transitions. [2021-04-28 21:33:30,673 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 99 places, 133 transitions, 1313 flow [2021-04-28 21:33:45,765 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 95 places, 133 transitions, 1040 flow, removed 98 selfloop flow, removed 4 redundant places. [2021-04-28 21:33:45,767 INFO L241 Difference]: Finished difference. Result has 97 places, 132 transitions, 1021 flow [2021-04-28 21:33:45,768 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=380, PETRI_DIFFERENCE_MINUEND_FLOW=1008, PETRI_DIFFERENCE_MINUEND_PLACES=92, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=131, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=129, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=1021, PETRI_PLACES=97, PETRI_TRANSITIONS=132} [2021-04-28 21:33:45,768 INFO L343 CegarLoopForPetriNet]: 153 programPoint places, -56 predicate places. [2021-04-28 21:33:45,768 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 21:33:45,768 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 97 places, 132 transitions, 1021 flow [2021-04-28 21:33:45,768 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 97 places, 132 transitions, 1021 flow [2021-04-28 21:33:45,769 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 97 places, 132 transitions, 1021 flow [2021-04-28 21:33:48,167 INFO L129 PetriNetUnfolder]: 14793/25924 cut-off events. [2021-04-28 21:33:48,168 INFO L130 PetriNetUnfolder]: For 89273/91345 co-relation queries the response was YES. [2021-04-28 21:33:48,382 INFO L84 FinitePrefix]: Finished finitePrefix Result has 110050 conditions, 25924 events. 14793/25924 cut-off events. For 89273/91345 co-relation queries the response was YES. Maximal size of possible extension queue 5158. Compared 270296 event pairs, 783 based on Foata normal form. 169/10325 useless extension candidates. Maximal degree in co-relation 110015. Up to 11341 conditions per place. [2021-04-28 21:33:48,697 INFO L146 LiptonReduction]: Number of co-enabled transitions 3482 [2021-04-28 21:33:48,732 INFO L158 LiptonReduction]: Checked pairs total: 626 [2021-04-28 21:33:48,732 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 21:33:48,733 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2965 [2021-04-28 21:33:48,734 INFO L480 AbstractCegarLoop]: Abstraction has has 97 places, 132 transitions, 1021 flow [2021-04-28 21:33:48,735 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 260.0) internal successors, (1040), 4 states have internal predecessors, (1040), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:33:48,735 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 21:33:48,735 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] [2021-04-28 21:33:48,735 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-04-28 21:33:48,735 INFO L428 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 21:33:48,736 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 21:33:48,736 INFO L82 PathProgramCache]: Analyzing trace with hash -835583199, now seen corresponding path program 1 times [2021-04-28 21:33:48,736 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 21:33:48,736 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1449570039] [2021-04-28 21:33:48,737 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 21:33:48,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 21:33:48,800 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 21:33:48,801 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 21:33:48,803 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 21:33:48,804 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 21:33:48,813 INFO L142 QuantifierPusher]: treesize reduction 4, result has 85.2 percent of original size [2021-04-28 21:33:48,815 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-28 21:33:48,865 INFO L142 QuantifierPusher]: treesize reduction 4, result has 85.2 percent of original size [2021-04-28 21:33:48,867 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-28 21:33:48,917 INFO L142 QuantifierPusher]: treesize reduction 14, result has 39.1 percent of original size [2021-04-28 21:33:48,919 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-28 21:33:48,944 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 21:33:48,945 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-04-28 21:33:48,963 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 21:33:48,963 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1449570039] [2021-04-28 21:33:48,963 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 21:33:48,963 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-04-28 21:33:48,963 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1665837495] [2021-04-28 21:33:48,964 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-04-28 21:33:48,964 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 21:33:48,965 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-04-28 21:33:48,965 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-04-28 21:33:48,969 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 225 out of 380 [2021-04-28 21:33:48,971 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 97 places, 132 transitions, 1021 flow. Second operand has 7 states, 7 states have (on average 226.0) internal successors, (1582), 7 states have internal predecessors, (1582), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:33:48,972 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 21:33:48,972 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 225 of 380 [2021-04-28 21:33:48,972 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 21:33:57,408 INFO L129 PetriNetUnfolder]: 40156/70090 cut-off events. [2021-04-28 21:33:57,409 INFO L130 PetriNetUnfolder]: For 306819/319787 co-relation queries the response was YES. [2021-04-28 21:33:57,977 INFO L84 FinitePrefix]: Finished finitePrefix Result has 307567 conditions, 70090 events. 40156/70090 cut-off events. For 306819/319787 co-relation queries the response was YES. Maximal size of possible extension queue 13695. Compared 815332 event pairs, 1894 based on Foata normal form. 571/29929 useless extension candidates. Maximal degree in co-relation 307530. Up to 28945 conditions per place. [2021-04-28 21:33:58,157 INFO L132 encePairwiseOnDemand]: 372/380 looper letters, 46 selfloop transitions, 17 changer transitions 10/181 dead transitions. [2021-04-28 21:33:58,157 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 103 places, 181 transitions, 1783 flow [2021-04-28 21:33:58,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-04-28 21:33:58,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-04-28 21:33:58,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 1604 transitions. [2021-04-28 21:33:58,167 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6030075187969924 [2021-04-28 21:33:58,167 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 1604 transitions. [2021-04-28 21:33:58,168 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 1604 transitions. [2021-04-28 21:33:58,169 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 21:33:58,169 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 1604 transitions. [2021-04-28 21:33:58,173 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 229.14285714285714) internal successors, (1604), 7 states have internal predecessors, (1604), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:33:58,178 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 380.0) internal successors, (3040), 8 states have internal predecessors, (3040), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:33:58,179 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 380.0) internal successors, (3040), 8 states have internal predecessors, (3040), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:33:58,180 INFO L185 Difference]: Start difference. First operand has 97 places, 132 transitions, 1021 flow. Second operand 7 states and 1604 transitions. [2021-04-28 21:33:58,180 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 103 places, 181 transitions, 1783 flow [2021-04-28 21:35:10,256 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 102 places, 181 transitions, 1782 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-04-28 21:35:10,260 INFO L241 Difference]: Finished difference. Result has 107 places, 146 transitions, 1263 flow [2021-04-28 21:35:10,260 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=380, PETRI_DIFFERENCE_MINUEND_FLOW=1020, PETRI_DIFFERENCE_MINUEND_PLACES=96, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=132, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=118, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=1263, PETRI_PLACES=107, PETRI_TRANSITIONS=146} [2021-04-28 21:35:10,260 INFO L343 CegarLoopForPetriNet]: 153 programPoint places, -46 predicate places. [2021-04-28 21:35:10,260 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 21:35:10,261 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 107 places, 146 transitions, 1263 flow [2021-04-28 21:35:10,261 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 107 places, 146 transitions, 1263 flow [2021-04-28 21:35:10,262 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 107 places, 146 transitions, 1263 flow [2021-04-28 21:35:18,938 INFO L129 PetriNetUnfolder]: 40410/68517 cut-off events. [2021-04-28 21:35:18,938 INFO L130 PetriNetUnfolder]: For 301899/305667 co-relation queries the response was YES. [2021-04-28 21:35:19,419 INFO L84 FinitePrefix]: Finished finitePrefix Result has 300781 conditions, 68517 events. 40410/68517 cut-off events. For 301899/305667 co-relation queries the response was YES. Maximal size of possible extension queue 12786. Compared 772831 event pairs, 2268 based on Foata normal form. 76/27203 useless extension candidates. Maximal degree in co-relation 300741. Up to 29431 conditions per place. [2021-04-28 21:35:20,209 INFO L146 LiptonReduction]: Number of co-enabled transitions 4424 [2021-04-28 21:35:20,338 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-28 21:35:20,338 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 21:35:20,338 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 10078 [2021-04-28 21:35:20,339 INFO L480 AbstractCegarLoop]: Abstraction has has 107 places, 146 transitions, 1263 flow [2021-04-28 21:35:20,340 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 226.0) internal successors, (1582), 7 states have internal predecessors, (1582), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:35:20,340 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 21:35:20,340 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] [2021-04-28 21:35:20,341 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-04-28 21:35:20,341 INFO L428 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 21:35:20,341 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 21:35:20,341 INFO L82 PathProgramCache]: Analyzing trace with hash -1315538172, now seen corresponding path program 1 times [2021-04-28 21:35:20,342 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 21:35:20,342 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1383933078] [2021-04-28 21:35:20,342 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 21:35:20,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 21:35:20,404 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 21:35:20,406 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 21:35:20,413 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 21:35:20,414 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 21:35:20,433 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 21:35:20,434 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 21:35:20,456 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 21:35:20,457 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 21:35:20,480 INFO L142 QuantifierPusher]: treesize reduction 11, result has 54.2 percent of original size [2021-04-28 21:35:20,481 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-28 21:35:20,514 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 21:35:20,515 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 21:35:20,516 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 21:35:20,516 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1383933078] [2021-04-28 21:35:20,516 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 21:35:20,516 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-04-28 21:35:20,516 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1074171149] [2021-04-28 21:35:20,517 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-04-28 21:35:20,517 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 21:35:20,517 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-04-28 21:35:20,517 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-04-28 21:35:20,521 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 286 out of 380 [2021-04-28 21:35:20,523 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 107 places, 146 transitions, 1263 flow. Second operand has 7 states, 7 states have (on average 286.85714285714283) internal successors, (2008), 7 states have internal predecessors, (2008), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:35:20,523 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 21:35:20,523 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 286 of 380 [2021-04-28 21:35:20,523 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 21:35:30,391 INFO L129 PetriNetUnfolder]: 34821/60363 cut-off events. [2021-04-28 21:35:30,391 INFO L130 PetriNetUnfolder]: For 361825/663070 co-relation queries the response was YES. [2021-04-28 21:35:30,807 INFO L84 FinitePrefix]: Finished finitePrefix Result has 285399 conditions, 60363 events. 34821/60363 cut-off events. For 361825/663070 co-relation queries the response was YES. Maximal size of possible extension queue 13551. Compared 678291 event pairs, 0 based on Foata normal form. 5881/26581 useless extension candidates. Maximal degree in co-relation 285357. Up to 28890 conditions per place. [2021-04-28 21:35:31,041 INFO L132 encePairwiseOnDemand]: 365/380 looper letters, 2 selfloop transitions, 89 changer transitions 39/157 dead transitions. [2021-04-28 21:35:31,041 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 117 places, 157 transitions, 1588 flow [2021-04-28 21:35:31,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-04-28 21:35:31,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-04-28 21:35:31,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 3251 transitions. [2021-04-28 21:35:31,058 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7777511961722487 [2021-04-28 21:35:31,058 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 3251 transitions. [2021-04-28 21:35:31,058 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 3251 transitions. [2021-04-28 21:35:31,061 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 21:35:31,061 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 3251 transitions. [2021-04-28 21:35:31,069 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 295.54545454545456) internal successors, (3251), 11 states have internal predecessors, (3251), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:35:31,076 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 380.0) internal successors, (4560), 12 states have internal predecessors, (4560), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:35:31,077 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 380.0) internal successors, (4560), 12 states have internal predecessors, (4560), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:35:31,077 INFO L185 Difference]: Start difference. First operand has 107 places, 146 transitions, 1263 flow. Second operand 11 states and 3251 transitions. [2021-04-28 21:35:31,077 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 117 places, 157 transitions, 1588 flow [2021-04-28 21:36:14,444 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 115 places, 157 transitions, 1541 flow, removed 10 selfloop flow, removed 2 redundant places. [2021-04-28 21:36:14,447 INFO L241 Difference]: Finished difference. Result has 118 places, 118 transitions, 1081 flow [2021-04-28 21:36:14,447 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=380, PETRI_DIFFERENCE_MINUEND_FLOW=1183, PETRI_DIFFERENCE_MINUEND_PLACES=105, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=144, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=88, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=55, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=1081, PETRI_PLACES=118, PETRI_TRANSITIONS=118} [2021-04-28 21:36:14,448 INFO L343 CegarLoopForPetriNet]: 153 programPoint places, -35 predicate places. [2021-04-28 21:36:14,448 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 21:36:14,448 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 118 places, 118 transitions, 1081 flow [2021-04-28 21:36:14,448 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 118 places, 118 transitions, 1081 flow [2021-04-28 21:36:14,449 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 106 places, 118 transitions, 1081 flow [2021-04-28 21:36:15,169 INFO L129 PetriNetUnfolder]: 4920/9195 cut-off events. [2021-04-28 21:36:15,170 INFO L130 PetriNetUnfolder]: For 39773/50979 co-relation queries the response was YES. [2021-04-28 21:36:15,232 INFO L84 FinitePrefix]: Finished finitePrefix Result has 43490 conditions, 9195 events. 4920/9195 cut-off events. For 39773/50979 co-relation queries the response was YES. Maximal size of possible extension queue 2352. Compared 89980 event pairs, 0 based on Foata normal form. 12/3317 useless extension candidates. Maximal degree in co-relation 43447. Up to 4320 conditions per place. [2021-04-28 21:36:15,322 INFO L146 LiptonReduction]: Number of co-enabled transitions 1930 [2021-04-28 21:36:16,870 INFO L158 LiptonReduction]: Checked pairs total: 229 [2021-04-28 21:36:16,871 INFO L160 LiptonReduction]: Total number of compositions: 3 [2021-04-28 21:36:16,871 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2423 [2021-04-28 21:36:16,872 INFO L480 AbstractCegarLoop]: Abstraction has has 106 places, 118 transitions, 1088 flow [2021-04-28 21:36:16,873 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 286.85714285714283) internal successors, (2008), 7 states have internal predecessors, (2008), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:36:16,873 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 21:36:16,873 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] [2021-04-28 21:36:16,874 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-04-28 21:36:16,874 INFO L428 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 21:36:16,874 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 21:36:16,874 INFO L82 PathProgramCache]: Analyzing trace with hash 277502767, now seen corresponding path program 1 times [2021-04-28 21:36:16,874 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 21:36:16,874 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1200765761] [2021-04-28 21:36:16,875 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 21:36:16,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-04-28 21:36:16,921 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-04-28 21:36:16,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-04-28 21:36:16,968 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-04-28 21:36:17,031 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-04-28 21:36:17,031 INFO L634 BasicCegarLoop]: Counterexample might be feasible [2021-04-28 21:36:17,032 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2021-04-28 21:36:17,245 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.04 09:36:17 BasicIcfg [2021-04-28 21:36:17,246 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-04-28 21:36:17,246 INFO L168 Benchmark]: Toolchain (without parser) took 363307.33 ms. Allocated memory was 308.3 MB in the beginning and 11.0 GB in the end (delta: 10.7 GB). Free memory was 281.8 MB in the beginning and 7.8 GB in the end (delta: -7.5 GB). Peak memory consumption was 3.2 GB. Max. memory is 16.0 GB. [2021-04-28 21:36:17,247 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 308.3 MB. Free memory was 279.5 MB in the beginning and 279.3 MB in the end (delta: 136.3 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-04-28 21:36:17,247 INFO L168 Benchmark]: CACSL2BoogieTranslator took 738.06 ms. Allocated memory is still 308.3 MB. Free memory was 278.8 MB in the beginning and 275.7 MB in the end (delta: 3.1 MB). Peak memory consumption was 26.3 MB. Max. memory is 16.0 GB. [2021-04-28 21:36:17,247 INFO L168 Benchmark]: Boogie Procedure Inliner took 69.84 ms. Allocated memory is still 308.3 MB. Free memory was 275.7 MB in the beginning and 272.5 MB in the end (delta: 3.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-04-28 21:36:17,247 INFO L168 Benchmark]: Boogie Preprocessor took 54.98 ms. Allocated memory is still 308.3 MB. Free memory was 272.5 MB in the beginning and 270.2 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-04-28 21:36:17,248 INFO L168 Benchmark]: RCFGBuilder took 2337.55 ms. Allocated memory is still 308.3 MB. Free memory was 270.2 MB in the beginning and 236.9 MB in the end (delta: 33.3 MB). Peak memory consumption was 163.6 MB. Max. memory is 16.0 GB. [2021-04-28 21:36:17,250 INFO L168 Benchmark]: TraceAbstraction took 360033.07 ms. Allocated memory was 308.3 MB in the beginning and 11.0 GB in the end (delta: 10.7 GB). Free memory was 235.8 MB in the beginning and 7.8 GB in the end (delta: -7.5 GB). Peak memory consumption was 3.1 GB. Max. memory is 16.0 GB. [2021-04-28 21:36:17,252 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 308.3 MB. Free memory was 279.5 MB in the beginning and 279.3 MB in the end (delta: 136.3 kB). There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 738.06 ms. Allocated memory is still 308.3 MB. Free memory was 278.8 MB in the beginning and 275.7 MB in the end (delta: 3.1 MB). Peak memory consumption was 26.3 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 69.84 ms. Allocated memory is still 308.3 MB. Free memory was 275.7 MB in the beginning and 272.5 MB in the end (delta: 3.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 54.98 ms. Allocated memory is still 308.3 MB. Free memory was 272.5 MB in the beginning and 270.2 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 2337.55 ms. Allocated memory is still 308.3 MB. Free memory was 270.2 MB in the beginning and 236.9 MB in the end (delta: 33.3 MB). Peak memory consumption was 163.6 MB. Max. memory is 16.0 GB. * TraceAbstraction took 360033.07 ms. Allocated memory was 308.3 MB in the beginning and 11.0 GB in the end (delta: 10.7 GB). Free memory was 235.8 MB in the beginning and 7.8 GB in the end (delta: -7.5 GB). Peak memory consumption was 3.1 GB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 160084.0ms, 124 PlacesBefore, 153 PlacesAfterwards, 113 TransitionsBefore, 142 TransitionsAfterwards, 2598 CoEnabledTransitionPairs, 9 FixpointIterations, 170 TrivialSequentialCompositions, 91 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 1 ConcurrentYvCompositions, 0 ChoiceCompositions, 262 TotalNumberOfCompositions, 24899 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 5473, positive: 5125, positive conditional: 5125, positive unconditional: 0, negative: 348, negative conditional: 348, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2821, positive: 2757, positive conditional: 0, positive unconditional: 2757, negative: 64, negative conditional: 0, negative unconditional: 64, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2821, positive: 2757, positive conditional: 0, positive unconditional: 2757, negative: 64, negative conditional: 0, negative unconditional: 64, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2821, positive: 2718, positive conditional: 0, positive unconditional: 2718, negative: 103, negative conditional: 0, negative unconditional: 103, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 103, positive: 39, positive conditional: 0, positive unconditional: 39, negative: 64, negative conditional: 0, negative unconditional: 64, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1728, positive: 150, positive conditional: 0, positive unconditional: 150, negative: 1578, negative conditional: 0, negative unconditional: 1578, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 5473, positive: 2368, positive conditional: 2368, positive unconditional: 0, negative: 284, negative conditional: 284, negative unconditional: 0, unknown: 2821, unknown conditional: 2821, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2821, Positive cache size: 2757, Positive conditional cache size: 2757, Positive unconditional cache size: 0, Negative cache size: 64, Negative conditional cache size: 64, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 488.5ms, 148 PlacesBefore, 60 PlacesAfterwards, 49 TransitionsBefore, 49 TransitionsAfterwards, 1464 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 1426 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 411, positive: 371, positive conditional: 371, positive unconditional: 0, negative: 40, negative conditional: 40, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 116, positive: 104, positive conditional: 24, positive unconditional: 80, negative: 12, negative conditional: 5, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 116, positive: 104, positive conditional: 24, positive unconditional: 80, negative: 12, negative conditional: 5, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 116, positive: 103, positive conditional: 0, positive unconditional: 103, negative: 13, negative conditional: 0, negative unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 13, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 12, negative conditional: 5, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 456, positive: 41, positive conditional: 0, positive unconditional: 41, negative: 416, negative conditional: 208, negative unconditional: 208, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 411, positive: 267, positive conditional: 267, positive unconditional: 0, negative: 28, negative conditional: 28, negative unconditional: 0, unknown: 116, unknown conditional: 116, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2937, Positive cache size: 2861, Positive conditional cache size: 2861, Positive unconditional cache size: 0, Negative cache size: 76, Negative conditional cache size: 76, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1149.3ms, 61 PlacesBefore, 49 PlacesAfterwards, 37 TransitionsBefore, 37 TransitionsAfterwards, 806 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 1926 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 551, positive: 476, positive conditional: 476, positive unconditional: 0, negative: 75, negative conditional: 75, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 63, positive: 48, positive conditional: 24, positive unconditional: 24, negative: 15, negative conditional: 2, negative unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 63, positive: 48, positive conditional: 24, positive unconditional: 24, negative: 15, negative conditional: 2, negative unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 63, positive: 47, positive conditional: 0, positive unconditional: 47, negative: 16, negative conditional: 0, negative unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 16, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 15, negative conditional: 2, negative unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 750, positive: 27, positive conditional: 0, positive unconditional: 27, negative: 723, negative conditional: 65, negative unconditional: 658, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 551, positive: 428, positive conditional: 428, positive unconditional: 0, negative: 60, negative conditional: 60, negative unconditional: 0, unknown: 63, unknown conditional: 63, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 3000, Positive cache size: 2909, Positive conditional cache size: 2909, Positive unconditional cache size: 0, Negative cache size: 91, Negative conditional cache size: 91, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 317.2ms, 50 PlacesBefore, 50 PlacesAfterwards, 39 TransitionsBefore, 39 TransitionsAfterwards, 868 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 770 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 182, positive: 153, positive conditional: 153, positive unconditional: 0, negative: 29, negative conditional: 29, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 16, positive: 10, positive conditional: 5, positive unconditional: 5, negative: 6, negative conditional: 0, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 16, positive: 10, positive conditional: 5, positive unconditional: 5, 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: 16, positive: 10, positive conditional: 0, positive unconditional: 10, 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: 301, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 301, negative conditional: 0, negative unconditional: 301, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 182, positive: 143, positive conditional: 143, positive unconditional: 0, negative: 23, negative conditional: 23, negative unconditional: 0, unknown: 16, unknown conditional: 16, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 3016, Positive cache size: 2919, Positive conditional cache size: 2919, Positive unconditional cache size: 0, Negative cache size: 97, Negative conditional cache size: 97, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 253.8ms, 54 PlacesBefore, 54 PlacesAfterwards, 44 TransitionsBefore, 44 TransitionsAfterwards, 1000 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 643 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 143, positive: 122, positive conditional: 122, positive unconditional: 0, negative: 21, negative conditional: 21, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 29, positive: 23, positive conditional: 19, positive unconditional: 4, negative: 6, negative conditional: 2, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 29, positive: 23, positive conditional: 19, positive unconditional: 4, negative: 6, negative conditional: 2, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 29, positive: 23, positive conditional: 0, positive unconditional: 23, 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: 2, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 231, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 231, negative conditional: 47, negative unconditional: 184, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 143, positive: 99, positive conditional: 99, positive unconditional: 0, negative: 15, negative conditional: 15, negative unconditional: 0, unknown: 29, unknown conditional: 29, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 3045, Positive cache size: 2942, Positive conditional cache size: 2942, Positive unconditional cache size: 0, Negative cache size: 103, Negative conditional cache size: 103, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 40.5ms, 60 PlacesBefore, 60 PlacesAfterwards, 51 TransitionsBefore, 51 TransitionsAfterwards, 1172 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 614 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 127, positive: 111, positive conditional: 111, positive unconditional: 0, negative: 16, negative conditional: 16, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 5, positive: 5, positive conditional: 5, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 5, positive: 5, positive conditional: 5, 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: 5, positive: 5, positive conditional: 0, positive unconditional: 5, 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: 127, positive: 106, positive conditional: 106, positive unconditional: 0, negative: 16, negative conditional: 16, negative unconditional: 0, unknown: 5, unknown conditional: 5, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 3050, Positive cache size: 2947, Positive conditional cache size: 2947, Positive unconditional cache size: 0, Negative cache size: 103, Negative conditional cache size: 103, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 210.4ms, 65 PlacesBefore, 65 PlacesAfterwards, 57 TransitionsBefore, 57 TransitionsAfterwards, 1338 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 792 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 142, positive: 123, positive conditional: 123, positive unconditional: 0, negative: 19, negative conditional: 19, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 24, positive: 21, positive conditional: 20, positive unconditional: 1, negative: 3, negative conditional: 3, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 24, positive: 21, positive conditional: 20, positive unconditional: 1, negative: 3, negative conditional: 3, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 24, positive: 21, positive conditional: 0, positive unconditional: 21, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 3, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 3, negative conditional: 3, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 164, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 164, negative conditional: 164, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 142, positive: 102, positive conditional: 102, positive unconditional: 0, negative: 16, negative conditional: 16, negative unconditional: 0, unknown: 24, unknown conditional: 24, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 3074, Positive cache size: 2968, Positive conditional cache size: 2968, Positive unconditional cache size: 0, Negative cache size: 106, Negative conditional cache size: 106, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 47.9ms, 69 PlacesBefore, 69 PlacesAfterwards, 56 TransitionsBefore, 56 TransitionsAfterwards, 1308 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 777 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 195, positive: 176, positive conditional: 176, positive unconditional: 0, negative: 19, negative conditional: 19, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 21, positive: 21, positive conditional: 18, positive unconditional: 3, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 21, positive: 21, positive conditional: 18, positive unconditional: 3, 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: 21, positive: 21, positive conditional: 0, positive unconditional: 21, 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: 195, positive: 155, positive conditional: 155, positive unconditional: 0, negative: 19, negative conditional: 19, negative unconditional: 0, unknown: 21, unknown conditional: 21, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 3095, Positive cache size: 2989, Positive conditional cache size: 2989, Positive unconditional cache size: 0, Negative cache size: 106, Negative conditional cache size: 106, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 47.6ms, 71 PlacesBefore, 71 PlacesAfterwards, 61 TransitionsBefore, 61 TransitionsAfterwards, 1426 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 862 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 214, positive: 194, positive conditional: 194, positive unconditional: 0, negative: 20, negative conditional: 20, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 31, positive: 31, positive conditional: 29, positive unconditional: 2, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 31, positive: 31, positive conditional: 29, positive unconditional: 2, 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: 31, positive: 31, positive conditional: 0, positive unconditional: 31, 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: 214, positive: 163, positive conditional: 163, positive unconditional: 0, negative: 20, negative conditional: 20, negative unconditional: 0, unknown: 31, unknown conditional: 31, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 3126, Positive cache size: 3020, Positive conditional cache size: 3020, Positive unconditional cache size: 0, Negative cache size: 106, Negative conditional cache size: 106, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 186.3ms, 76 PlacesBefore, 76 PlacesAfterwards, 63 TransitionsBefore, 63 TransitionsAfterwards, 1488 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 916 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 213, positive: 192, positive conditional: 192, positive unconditional: 0, negative: 21, negative conditional: 21, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 26, positive: 23, positive conditional: 21, positive unconditional: 2, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 26, positive: 23, positive conditional: 21, positive unconditional: 2, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 26, positive: 23, positive conditional: 0, positive unconditional: 23, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 3, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 135, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 135, negative conditional: 0, negative unconditional: 135, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 213, positive: 169, positive conditional: 169, positive unconditional: 0, negative: 18, negative conditional: 18, negative unconditional: 0, unknown: 26, unknown conditional: 26, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 3152, Positive cache size: 3043, Positive conditional cache size: 3043, Positive unconditional cache size: 0, Negative cache size: 109, Negative conditional cache size: 109, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 47.8ms, 78 PlacesBefore, 78 PlacesAfterwards, 66 TransitionsBefore, 66 TransitionsAfterwards, 1570 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 984 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 259, positive: 237, positive conditional: 237, positive unconditional: 0, negative: 22, negative conditional: 22, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 39, positive: 39, positive conditional: 39, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 39, positive: 39, positive conditional: 39, 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: 39, positive: 39, positive conditional: 0, positive unconditional: 39, 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: 259, positive: 198, positive conditional: 198, positive unconditional: 0, negative: 22, negative conditional: 22, negative unconditional: 0, unknown: 39, unknown conditional: 39, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 3191, Positive cache size: 3082, Positive conditional cache size: 3082, Positive unconditional cache size: 0, Negative cache size: 109, Negative conditional cache size: 109, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 87.8ms, 79 PlacesBefore, 79 PlacesAfterwards, 67 TransitionsBefore, 67 TransitionsAfterwards, 1600 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 1024 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 217, positive: 194, positive conditional: 194, positive unconditional: 0, negative: 23, negative conditional: 23, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 32, positive: 31, positive conditional: 31, positive unconditional: 0, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 32, positive: 31, positive conditional: 31, positive unconditional: 0, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 32, positive: 31, positive conditional: 0, positive unconditional: 31, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 1, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 39, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 39, negative conditional: 0, negative unconditional: 39, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 217, positive: 163, positive conditional: 163, positive unconditional: 0, negative: 22, negative conditional: 22, negative unconditional: 0, unknown: 32, unknown conditional: 32, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 3223, Positive cache size: 3113, Positive conditional cache size: 3113, Positive unconditional cache size: 0, Negative cache size: 110, Negative conditional cache size: 110, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 57.2ms, 80 PlacesBefore, 80 PlacesAfterwards, 67 TransitionsBefore, 67 TransitionsAfterwards, 1598 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 1015 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 267, positive: 244, positive conditional: 244, positive unconditional: 0, negative: 23, negative conditional: 23, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 27, positive: 27, positive conditional: 27, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 27, positive: 27, positive conditional: 27, 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: 27, positive: 27, positive conditional: 0, positive unconditional: 27, 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: 267, positive: 217, positive conditional: 217, positive unconditional: 0, negative: 23, negative conditional: 23, negative unconditional: 0, unknown: 27, unknown conditional: 27, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 3250, Positive cache size: 3140, Positive conditional cache size: 3140, Positive unconditional cache size: 0, Negative cache size: 110, Negative conditional cache size: 110, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1882.3ms, 83 PlacesBefore, 83 PlacesAfterwards, 92 TransitionsBefore, 92 TransitionsAfterwards, 2470 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 1438 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 340, positive: 318, positive conditional: 318, positive unconditional: 0, negative: 22, negative conditional: 22, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 63, positive: 61, positive conditional: 47, positive unconditional: 14, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 63, positive: 61, positive conditional: 47, positive unconditional: 14, 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: 63, positive: 61, positive conditional: 0, positive unconditional: 61, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 2, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 87, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 87, negative conditional: 0, negative unconditional: 87, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 340, positive: 257, positive conditional: 257, positive unconditional: 0, negative: 20, negative conditional: 20, negative unconditional: 0, unknown: 63, unknown conditional: 63, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 3313, Positive cache size: 3201, Positive conditional cache size: 3201, Positive unconditional cache size: 0, Negative cache size: 112, Negative conditional cache size: 112, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1450.8ms, 91 PlacesBefore, 91 PlacesAfterwards, 116 TransitionsBefore, 116 TransitionsAfterwards, 3108 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 2229 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 514, positive: 486, positive conditional: 486, positive unconditional: 0, negative: 28, negative conditional: 28, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 77, positive: 77, positive conditional: 57, positive unconditional: 20, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 77, positive: 77, positive conditional: 57, positive unconditional: 20, 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: 77, positive: 77, positive conditional: 0, positive unconditional: 77, 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: 514, positive: 409, positive conditional: 409, positive unconditional: 0, negative: 28, negative conditional: 28, negative unconditional: 0, unknown: 77, unknown conditional: 77, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 3390, Positive cache size: 3278, Positive conditional cache size: 3278, Positive unconditional cache size: 0, Negative cache size: 112, Negative conditional cache size: 112, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2651.4ms, 91 PlacesBefore, 91 PlacesAfterwards, 116 TransitionsBefore, 116 TransitionsAfterwards, 3106 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 2229 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 429, positive: 401, positive conditional: 401, positive unconditional: 0, negative: 28, negative conditional: 28, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 35, positive: 33, positive conditional: 27, positive unconditional: 6, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 35, positive: 33, positive conditional: 27, positive unconditional: 6, 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: 35, positive: 33, positive conditional: 0, positive unconditional: 33, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 2, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 89, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 89, negative conditional: 0, negative unconditional: 89, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 429, positive: 368, positive conditional: 368, positive unconditional: 0, negative: 26, negative conditional: 26, negative unconditional: 0, unknown: 35, unknown conditional: 35, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 3425, Positive cache size: 3311, Positive conditional cache size: 3311, Positive unconditional cache size: 0, Negative cache size: 114, Negative conditional cache size: 114, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1940.5ms, 96 PlacesBefore, 96 PlacesAfterwards, 131 TransitionsBefore, 131 TransitionsAfterwards, 3378 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 2774 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 551, positive: 520, positive conditional: 520, positive unconditional: 0, negative: 31, negative conditional: 31, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 85, positive: 85, positive conditional: 79, positive unconditional: 6, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 85, positive: 85, positive conditional: 79, positive unconditional: 6, 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: 85, positive: 85, positive conditional: 0, positive unconditional: 85, 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: 551, positive: 435, positive conditional: 435, positive unconditional: 0, negative: 31, negative conditional: 31, negative unconditional: 0, unknown: 85, unknown conditional: 85, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 3510, Positive cache size: 3396, Positive conditional cache size: 3396, Positive unconditional cache size: 0, Negative cache size: 114, Negative conditional cache size: 114, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2964.2ms, 97 PlacesBefore, 97 PlacesAfterwards, 132 TransitionsBefore, 132 TransitionsAfterwards, 3482 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 626 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 128, positive: 120, positive conditional: 120, positive unconditional: 0, negative: 8, negative conditional: 8, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 22, positive: 22, positive conditional: 22, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 22, positive: 22, positive conditional: 22, 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: 22, positive: 22, positive conditional: 0, positive unconditional: 22, 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: 128, positive: 98, positive conditional: 98, positive unconditional: 0, negative: 8, negative conditional: 8, negative unconditional: 0, unknown: 22, unknown conditional: 22, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 3532, Positive cache size: 3418, Positive conditional cache size: 3418, Positive unconditional cache size: 0, Negative cache size: 114, Negative conditional cache size: 114, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 10076.9ms, 107 PlacesBefore, 107 PlacesAfterwards, 146 TransitionsBefore, 146 TransitionsAfterwards, 4424 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: 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: 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: 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): 3532, Positive cache size: 3418, Positive conditional cache size: 3418, Positive unconditional cache size: 0, Negative cache size: 114, Negative conditional cache size: 114, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2422.4ms, 118 PlacesBefore, 106 PlacesAfterwards, 118 TransitionsBefore, 118 TransitionsAfterwards, 1930 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 3 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 3 TotalNumberOfCompositions, 229 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 229, positive: 229, positive conditional: 229, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 154, positive: 154, positive conditional: 137, positive unconditional: 17, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 154, positive: 154, positive conditional: 137, positive unconditional: 17, 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: 154, positive: 154, positive conditional: 0, positive unconditional: 154, 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: 229, positive: 75, positive conditional: 75, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 154, unknown conditional: 154, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 3686, Positive cache size: 3572, Positive conditional cache size: 3572, Positive unconditional cache size: 0, Negative cache size: 114, Negative conditional cache size: 114, Negative unconditional cache size: 0 - CounterExampleResult [Line: 18]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L710] 0 int __unbuffered_cnt = 0; [L712] 0 int __unbuffered_p0_EAX = 0; [L714] 0 int __unbuffered_p3_EAX = 0; [L716] 0 int __unbuffered_p3_EBX = 0; [L718] 0 int a = 0; [L720] 0 int b = 0; [L721] 0 _Bool main$tmp_guard0; [L722] 0 _Bool main$tmp_guard1; [L724] 0 int x = 0; [L726] 0 int y = 0; [L728] 0 int z = 0; [L729] 0 _Bool z$flush_delayed; [L730] 0 int z$mem_tmp; [L731] 0 _Bool z$r_buff0_thd0; [L732] 0 _Bool z$r_buff0_thd1; [L733] 0 _Bool z$r_buff0_thd2; [L734] 0 _Bool z$r_buff0_thd3; [L735] 0 _Bool z$r_buff0_thd4; [L736] 0 _Bool z$r_buff1_thd0; [L737] 0 _Bool z$r_buff1_thd1; [L738] 0 _Bool z$r_buff1_thd2; [L739] 0 _Bool z$r_buff1_thd3; [L740] 0 _Bool z$r_buff1_thd4; [L741] 0 _Bool z$read_delayed; [L742] 0 int *z$read_delayed_var; [L743] 0 int z$w_buff0; [L744] 0 _Bool z$w_buff0_used; [L745] 0 int z$w_buff1; [L746] 0 _Bool z$w_buff1_used; [L747] 0 _Bool weak$$choice0; [L748] 0 _Bool weak$$choice2; [L846] 0 pthread_t t1237; [L847] FCALL, FORK 0 pthread_create(&t1237, ((void *)0), P0, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, b=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L848] 0 pthread_t t1238; [L849] FCALL, FORK 0 pthread_create(&t1238, ((void *)0), P1, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, b=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L850] 0 pthread_t t1239; [L851] FCALL, FORK 0 pthread_create(&t1239, ((void *)0), P2, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, b=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L852] 0 pthread_t t1240; [L853] FCALL, FORK 0 pthread_create(&t1240, ((void *)0), P3, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, b=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L802] 4 z$w_buff1 = z$w_buff0 [L803] 4 z$w_buff0 = 2 [L804] 4 z$w_buff1_used = z$w_buff0_used [L805] 4 z$w_buff0_used = (_Bool)1 [L18] COND FALSE 4 !(!expression) [L807] 4 z$r_buff1_thd0 = z$r_buff0_thd0 [L808] 4 z$r_buff1_thd1 = z$r_buff0_thd1 [L809] 4 z$r_buff1_thd2 = z$r_buff0_thd2 [L810] 4 z$r_buff1_thd3 = z$r_buff0_thd3 [L811] 4 z$r_buff1_thd4 = z$r_buff0_thd4 [L812] 4 z$r_buff0_thd4 = (_Bool)1 [L815] 4 a = 1 [L818] 4 __unbuffered_p3_EAX = a VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, b=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=2, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L821] 4 __unbuffered_p3_EBX = b VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, b=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=2, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L752] 1 b = 1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=1, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=2, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L755] 1 __unbuffered_p0_EAX = x VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=1, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=2, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L767] 2 x = 1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=1, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=2, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L770] 2 y = 1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=1, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=1, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=2, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L782] 3 y = 2 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=1, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=2, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=2, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L785] 3 z = 1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=1, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=2, z=1, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=2, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L824] EXPR 4 z$w_buff0_used && z$r_buff0_thd4 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd4 ? z$w_buff1 : z) [L824] 4 z = z$w_buff0_used && z$r_buff0_thd4 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd4 ? z$w_buff1 : z) [L825] EXPR 4 z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : z$w_buff0_used [L825] 4 z$w_buff0_used = z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : z$w_buff0_used [L826] EXPR 4 z$w_buff0_used && z$r_buff0_thd4 || z$w_buff1_used && z$r_buff1_thd4 ? (_Bool)0 : z$w_buff1_used [L826] 4 z$w_buff1_used = z$w_buff0_used && z$r_buff0_thd4 || z$w_buff1_used && z$r_buff1_thd4 ? (_Bool)0 : z$w_buff1_used [L827] EXPR 4 z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : z$r_buff0_thd4 [L827] 4 z$r_buff0_thd4 = z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : z$r_buff0_thd4 [L828] EXPR 4 z$w_buff0_used && z$r_buff0_thd4 || z$w_buff1_used && z$r_buff1_thd4 ? (_Bool)0 : z$r_buff1_thd4 [L828] 4 z$r_buff1_thd4 = z$w_buff0_used && z$r_buff0_thd4 || z$w_buff1_used && z$r_buff1_thd4 ? (_Bool)0 : z$r_buff1_thd4 [L760] 1 __unbuffered_cnt = __unbuffered_cnt + 1 [L762] 1 return 0; VAL [\result={0:0}, __unbuffered_cnt=1, __unbuffered_p0_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=1, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=2, z=2, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=2, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L775] 2 __unbuffered_cnt = __unbuffered_cnt + 1 [L777] 2 return 0; VAL [\result={0:0}, \result={0:0}, __unbuffered_cnt=2, __unbuffered_p0_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=1, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=2, z=2, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=2, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L788] EXPR 3 z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd3 ? z$w_buff1 : z) [L788] EXPR 3 z$w_buff1_used && z$r_buff1_thd3 ? z$w_buff1 : z [L788] EXPR 3 z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd3 ? z$w_buff1 : z) [L788] 3 z = z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd3 ? z$w_buff1 : z) [L789] EXPR 3 z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$w_buff0_used [L789] 3 z$w_buff0_used = z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$w_buff0_used [L790] EXPR 3 z$w_buff0_used && z$r_buff0_thd3 || z$w_buff1_used && z$r_buff1_thd3 ? (_Bool)0 : z$w_buff1_used [L790] 3 z$w_buff1_used = z$w_buff0_used && z$r_buff0_thd3 || z$w_buff1_used && z$r_buff1_thd3 ? (_Bool)0 : z$w_buff1_used [L791] EXPR 3 z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$r_buff0_thd3 [L791] 3 z$r_buff0_thd3 = z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$r_buff0_thd3 [L792] EXPR 3 z$w_buff0_used && z$r_buff0_thd3 || z$w_buff1_used && z$r_buff1_thd3 ? (_Bool)0 : z$r_buff1_thd3 [L792] 3 z$r_buff1_thd3 = z$w_buff0_used && z$r_buff0_thd3 || z$w_buff1_used && z$r_buff1_thd3 ? (_Bool)0 : z$r_buff1_thd3 [L795] 3 __unbuffered_cnt = __unbuffered_cnt + 1 [L797] 3 return 0; VAL [\result={0:0}, \result={0:0}, \result={0:0}, __unbuffered_cnt=3, __unbuffered_p0_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=1, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=2, z=2, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=2, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L831] 4 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [\result={0:0}, \result={0:0}, \result={0:0}, __unbuffered_cnt=4, __unbuffered_p0_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=1, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=2, z=2, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=2, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L855] 0 main$tmp_guard0 = __unbuffered_cnt == 4 [L3] COND FALSE 0 !(!cond) [L859] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd0 ? z$w_buff1 : z) [L859] EXPR 0 z$w_buff1_used && z$r_buff1_thd0 ? z$w_buff1 : z [L859] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd0 ? z$w_buff1 : z) [L859] 0 z = z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd0 ? z$w_buff1 : z) [L860] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$w_buff0_used [L860] 0 z$w_buff0_used = z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$w_buff0_used [L861] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 || z$w_buff1_used && z$r_buff1_thd0 ? (_Bool)0 : z$w_buff1_used [L861] 0 z$w_buff1_used = z$w_buff0_used && z$r_buff0_thd0 || z$w_buff1_used && z$r_buff1_thd0 ? (_Bool)0 : z$w_buff1_used [L862] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$r_buff0_thd0 [L862] 0 z$r_buff0_thd0 = z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$r_buff0_thd0 [L863] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 || z$w_buff1_used && z$r_buff1_thd0 ? (_Bool)0 : z$r_buff1_thd0 [L863] 0 z$r_buff1_thd0 = z$w_buff0_used && z$r_buff0_thd0 || z$w_buff1_used && z$r_buff1_thd0 ? (_Bool)0 : z$r_buff1_thd0 [L866] 0 weak$$choice0 = __VERIFIER_nondet_bool() [L867] 0 weak$$choice2 = __VERIFIER_nondet_bool() [L868] 0 z$flush_delayed = weak$$choice2 [L869] 0 z$mem_tmp = z [L870] EXPR 0 !z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z : (z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff0 : z$w_buff1) [L870] 0 z = !z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z : (z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff0 : z$w_buff1) [L871] EXPR 0 weak$$choice2 ? z$w_buff0 : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$w_buff0 : (z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff0 : z$w_buff0)) [L871] EXPR 0 !z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$w_buff0 : (z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff0 : z$w_buff0) [L871] EXPR 0 weak$$choice2 ? z$w_buff0 : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$w_buff0 : (z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff0 : z$w_buff0)) [L871] 0 z$w_buff0 = weak$$choice2 ? z$w_buff0 : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$w_buff0 : (z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff0 : z$w_buff0)) [L872] EXPR 0 weak$$choice2 ? z$w_buff1 : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$w_buff1 : (z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff1 : z$w_buff1)) [L872] EXPR 0 !z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$w_buff1 : (z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff1 : z$w_buff1) [L872] EXPR 0 weak$$choice2 ? z$w_buff1 : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$w_buff1 : (z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff1 : z$w_buff1)) [L872] 0 z$w_buff1 = weak$$choice2 ? z$w_buff1 : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$w_buff1 : (z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff1 : z$w_buff1)) [L873] EXPR 0 weak$$choice2 ? z$w_buff0_used : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$w_buff0_used : (z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$w_buff0_used)) [L873] EXPR 0 !z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$w_buff0_used : (z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$w_buff0_used) [L873] EXPR 0 weak$$choice2 ? z$w_buff0_used : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$w_buff0_used : (z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$w_buff0_used)) [L873] 0 z$w_buff0_used = weak$$choice2 ? z$w_buff0_used : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$w_buff0_used : (z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$w_buff0_used)) [L874] EXPR 0 weak$$choice2 ? z$w_buff1_used : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$w_buff1_used : (z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L874] EXPR 0 !z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$w_buff1_used : (z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : (_Bool)0) [L874] EXPR 0 weak$$choice2 ? z$w_buff1_used : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$w_buff1_used : (z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L874] 0 z$w_buff1_used = weak$$choice2 ? z$w_buff1_used : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$w_buff1_used : (z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L875] EXPR 0 weak$$choice2 ? z$r_buff0_thd0 : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$r_buff0_thd0 : (z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$r_buff0_thd0)) [L875] EXPR 0 !z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$r_buff0_thd0 : (z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$r_buff0_thd0) [L875] EXPR 0 weak$$choice2 ? z$r_buff0_thd0 : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$r_buff0_thd0 : (z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$r_buff0_thd0)) [L875] 0 z$r_buff0_thd0 = weak$$choice2 ? z$r_buff0_thd0 : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$r_buff0_thd0 : (z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$r_buff0_thd0)) [L876] EXPR 0 weak$$choice2 ? z$r_buff1_thd0 : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$r_buff1_thd0 : (z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L876] EXPR 0 !z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$r_buff1_thd0 : (z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : (_Bool)0) [L876] EXPR 0 weak$$choice2 ? z$r_buff1_thd0 : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$r_buff1_thd0 : (z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L876] 0 z$r_buff1_thd0 = weak$$choice2 ? z$r_buff1_thd0 : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$r_buff1_thd0 : (z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L877] 0 main$tmp_guard1 = !(y == 2 && z == 2 && __unbuffered_p0_EAX == 0 && __unbuffered_p3_EAX == 1 && __unbuffered_p3_EBX == 0) [L878] EXPR 0 z$flush_delayed ? z$mem_tmp : z [L878] 0 z = z$flush_delayed ? z$mem_tmp : z [L879] 0 z$flush_delayed = (_Bool)0 [L18] COND TRUE 0 !expression [L18] 0 reach_error() VAL [\result={0:0}, \result={0:0}, \result={0:0}, __unbuffered_cnt=4, __unbuffered_p0_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=1, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=0, x=1, y=2, z=2, z$flush_delayed=0, z$mem_tmp=2, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=2, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 116 locations, 2 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 19.4ms, RemoveRedundantFlowTime: 0.0ms, RemoveRedundantFlowUnfoldingTime: 0.0ms, BackfoldingTime: 0.0ms, BackfoldingUnfoldingTime: 0.0ms, FlowIncreaseByBackfolding: 0, BasicCegarLoop: VerificationResult: UNSAFE, OverallTime: 359624.5ms, OverallIterations: 20, TraceHistogramMax: 1, EmptinessCheckTime: 0.0ms, AutomataDifference: 169082.1ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 160265.1ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 90 SDtfs, 82 SDslu, 50 SDs, 0 SdLazy, 865 SolverSat, 319 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2162.2ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 91 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 80 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 2140.2ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=1281occurred in iteration=16, InterpolantAutomatonStates: 102, 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: 75.8ms SsaConstructionTime, 611.7ms SatisfiabilityAnalysisTime, 2738.9ms InterpolantComputationTime, 320 NumberOfCodeBlocks, 320 NumberOfCodeBlocksAsserted, 20 NumberOfCheckSat, 276 ConstructedInterpolants, 0 QuantifiedInterpolants, 1638 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 19 InterpolantComputations, 19 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...