/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/mix029_pso.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-6f4246e9f5583d222ebb38ff8175c901f3a528f0-6f4246e [2021-04-28 19:40:43,646 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-04-28 19:40:43,650 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-04-28 19:40:43,704 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-04-28 19:40:43,705 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-04-28 19:40:43,708 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-04-28 19:40:43,712 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-04-28 19:40:43,720 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-04-28 19:40:43,722 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-04-28 19:40:43,723 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-04-28 19:40:43,724 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-04-28 19:40:43,726 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-04-28 19:40:43,726 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-04-28 19:40:43,728 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-04-28 19:40:43,729 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-04-28 19:40:43,731 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-04-28 19:40:43,732 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-04-28 19:40:43,733 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-04-28 19:40:43,735 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-04-28 19:40:43,737 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-04-28 19:40:43,739 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-04-28 19:40:43,741 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-04-28 19:40:43,742 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-04-28 19:40:43,743 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-04-28 19:40:43,746 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-04-28 19:40:43,750 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-04-28 19:40:43,751 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-04-28 19:40:43,753 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-04-28 19:40:43,754 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-04-28 19:40:43,755 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-04-28 19:40:43,755 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-04-28 19:40:43,756 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-04-28 19:40:43,757 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-04-28 19:40:43,757 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-04-28 19:40:43,758 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-04-28 19:40:43,759 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-04-28 19:40:43,760 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 19:40:43,787 INFO L113 SettingsManager]: Loading preferences was successful [2021-04-28 19:40:43,787 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-04-28 19:40:43,788 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-04-28 19:40:43,789 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-04-28 19:40:43,789 INFO L138 SettingsManager]: * Use SBE=true [2021-04-28 19:40:43,789 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-04-28 19:40:43,789 INFO L138 SettingsManager]: * sizeof long=4 [2021-04-28 19:40:43,790 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-04-28 19:40:43,790 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-04-28 19:40:43,790 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-04-28 19:40:43,790 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-04-28 19:40:43,791 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-04-28 19:40:43,791 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-04-28 19:40:43,791 INFO L138 SettingsManager]: * sizeof long double=12 [2021-04-28 19:40:43,791 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-04-28 19:40:43,791 INFO L138 SettingsManager]: * Use constant arrays=true [2021-04-28 19:40:43,791 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-04-28 19:40:43,792 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-04-28 19:40:43,792 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-04-28 19:40:43,792 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-04-28 19:40:43,792 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-04-28 19:40:43,793 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-04-28 19:40:43,793 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-04-28 19:40:43,793 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-04-28 19:40:43,793 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-04-28 19:40:43,793 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-04-28 19:40:43,794 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-04-28 19:40:43,794 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=SEMANTIC_BASED_MOVER_CHECK_WITH_PREDICATES [2021-04-28 19:40:43,794 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-04-28 19:40:43,794 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-04-28 19:40:43,795 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-04-28 19:40:44,159 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-04-28 19:40:44,186 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-04-28 19:40:44,190 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-04-28 19:40:44,191 INFO L271 PluginConnector]: Initializing CDTParser... [2021-04-28 19:40:44,192 INFO L275 PluginConnector]: CDTParser initialized [2021-04-28 19:40:44,193 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/mix029_pso.opt.i [2021-04-28 19:40:44,288 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3a766389f/31a0fc5e9a7b4f1bbbc94d328c1454eb/FLAG5f3702b10 [2021-04-28 19:40:45,006 INFO L306 CDTParser]: Found 1 translation units. [2021-04-28 19:40:45,007 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix029_pso.opt.i [2021-04-28 19:40:45,026 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3a766389f/31a0fc5e9a7b4f1bbbc94d328c1454eb/FLAG5f3702b10 [2021-04-28 19:40:45,206 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3a766389f/31a0fc5e9a7b4f1bbbc94d328c1454eb [2021-04-28 19:40:45,214 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-04-28 19:40:45,278 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-04-28 19:40:45,283 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-04-28 19:40:45,283 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-04-28 19:40:45,288 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-04-28 19:40:45,289 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.04 07:40:45" (1/1) ... [2021-04-28 19:40:45,291 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@490614cf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 07:40:45, skipping insertion in model container [2021-04-28 19:40:45,291 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.04 07:40:45" (1/1) ... [2021-04-28 19:40:45,301 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-04-28 19:40:45,366 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-04-28 19:40:45,539 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/mix029_pso.opt.i[948,961] [2021-04-28 19:40:45,859 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-04-28 19:40:45,875 INFO L203 MainTranslator]: Completed pre-run [2021-04-28 19:40:45,890 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/mix029_pso.opt.i[948,961] [2021-04-28 19:40:45,939 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-04-28 19:40:46,131 INFO L208 MainTranslator]: Completed translation [2021-04-28 19:40:46,132 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 07:40:46 WrapperNode [2021-04-28 19:40:46,134 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-04-28 19:40:46,135 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-04-28 19:40:46,136 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-04-28 19:40:46,136 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-04-28 19:40:46,145 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 07:40:46" (1/1) ... [2021-04-28 19:40:46,197 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 07:40:46" (1/1) ... [2021-04-28 19:40:46,263 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-04-28 19:40:46,264 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-04-28 19:40:46,264 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-04-28 19:40:46,265 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-04-28 19:40:46,275 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 07:40:46" (1/1) ... [2021-04-28 19:40:46,275 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 07:40:46" (1/1) ... [2021-04-28 19:40:46,282 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 07:40:46" (1/1) ... [2021-04-28 19:40:46,282 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 07:40:46" (1/1) ... [2021-04-28 19:40:46,307 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 07:40:46" (1/1) ... [2021-04-28 19:40:46,315 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 07:40:46" (1/1) ... [2021-04-28 19:40:46,325 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 07:40:46" (1/1) ... [2021-04-28 19:40:46,337 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-04-28 19:40:46,339 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-04-28 19:40:46,339 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-04-28 19:40:46,339 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-04-28 19:40:46,340 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 07:40:46" (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 19:40:46,434 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-04-28 19:40:46,434 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-04-28 19:40:46,434 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-04-28 19:40:46,434 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-04-28 19:40:46,434 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-04-28 19:40:46,435 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-04-28 19:40:46,435 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-04-28 19:40:46,435 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-04-28 19:40:46,435 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-04-28 19:40:46,435 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-04-28 19:40:46,435 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2021-04-28 19:40:46,436 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2021-04-28 19:40:46,436 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-04-28 19:40:46,436 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-04-28 19:40:46,436 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-04-28 19:40:46,436 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-04-28 19:40:46,438 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 19:40:48,669 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-04-28 19:40:48,669 INFO L299 CfgBuilder]: Removed 10 assume(true) statements. [2021-04-28 19:40:48,671 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.04 07:40:48 BoogieIcfgContainer [2021-04-28 19:40:48,672 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-04-28 19:40:48,674 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-04-28 19:40:48,674 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-04-28 19:40:48,677 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-04-28 19:40:48,678 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.04 07:40:45" (1/3) ... [2021-04-28 19:40:48,679 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4483e57f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.04 07:40:48, skipping insertion in model container [2021-04-28 19:40:48,679 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 07:40:46" (2/3) ... [2021-04-28 19:40:48,679 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4483e57f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.04 07:40:48, skipping insertion in model container [2021-04-28 19:40:48,680 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.04 07:40:48" (3/3) ... [2021-04-28 19:40:48,681 INFO L111 eAbstractionObserver]: Analyzing ICFG mix029_pso.opt.i [2021-04-28 19:40:48,689 INFO L149 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-04-28 19:40:48,695 INFO L161 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2021-04-28 19:40:48,696 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-04-28 19:40:48,738 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:40:48,738 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:40:48,738 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:40:48,739 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:40:48,739 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:40:48,739 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:40:48,739 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:40:48,740 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:40:48,740 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:40:48,740 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:40:48,740 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:40:48,741 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:40:48,741 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:40:48,741 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:40:48,741 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:40:48,742 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:40:48,742 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:40:48,742 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:40:48,742 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:40:48,742 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:40:48,743 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:40:48,743 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:40:48,743 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:40:48,743 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:40:48,744 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:40:48,744 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:40:48,744 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:40:48,745 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:40:48,745 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:40:48,745 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:40:48,745 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:40:48,745 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:40:48,746 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:40:48,746 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:40:48,747 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:40:48,747 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:40:48,747 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:40:48,747 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:40:48,748 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:40:48,748 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:40:48,748 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:40:48,749 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:40:48,749 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:40:48,749 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:40:48,749 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:40:48,750 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:40:48,750 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:40:48,750 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:40:48,750 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:40:48,751 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:40:48,751 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:40:48,751 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:40:48,751 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:40:48,751 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:40:48,752 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:40:48,752 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:40:48,752 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:40:48,752 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:40:48,753 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:40:48,753 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:40:48,753 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:40:48,754 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:40:48,754 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:40:48,754 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:40:48,754 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:40:48,754 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:40:48,754 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:40:48,755 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:40:48,755 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:40:48,756 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:40:48,756 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:40:48,756 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:40:48,756 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:40:48,757 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:40:48,757 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:40:48,757 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:40:48,757 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:40:48,758 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:40:48,758 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:40:48,758 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:40:48,758 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:40:48,759 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:40:48,759 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:40:48,759 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:40:48,759 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:40:48,759 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:40:48,759 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:40:48,760 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:40:48,760 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:40:48,760 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:40:48,761 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:40:48,761 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:40:48,761 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:40:48,761 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:40:48,762 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:40:48,762 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:40:48,762 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:40:48,762 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:40:48,765 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:40:48,765 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:40:48,765 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:40:48,766 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:40:48,766 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:40:48,766 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:40:48,766 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:40:48,767 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:40:48,767 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:40:48,767 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:40:48,767 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:40:48,768 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:40:48,770 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:40:48,770 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:40:48,770 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:40:48,770 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:40:48,771 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:40:48,771 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:40:48,771 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:40:48,771 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:40:48,772 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:40:48,772 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:40:48,773 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:40:48,774 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:40:48,774 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:40:48,774 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:40:48,776 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:40:48,776 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:40:48,776 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:40:48,776 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:40:48,776 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:40:48,777 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:40:48,777 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:40:48,777 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:40:48,777 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:40:48,778 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:40:48,779 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-04-28 19:40:48,802 INFO L253 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2021-04-28 19:40:48,829 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-04-28 19:40:48,829 INFO L377 AbstractCegarLoop]: Hoare is false [2021-04-28 19:40:48,829 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-04-28 19:40:48,829 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-04-28 19:40:48,829 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-04-28 19:40:48,829 INFO L381 AbstractCegarLoop]: Difference is false [2021-04-28 19:40:48,830 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-04-28 19:40:48,830 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-04-28 19:40:48,845 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 127 places, 116 transitions, 252 flow [2021-04-28 19:40:48,898 INFO L129 PetriNetUnfolder]: 2/112 cut-off events. [2021-04-28 19:40:48,899 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 19:40:48,905 INFO L84 FinitePrefix]: Finished finitePrefix Result has 125 conditions, 112 events. 2/112 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 89 event pairs, 0 based on Foata normal form. 0/108 useless extension candidates. Maximal degree in co-relation 76. Up to 2 conditions per place. [2021-04-28 19:40:48,905 INFO L82 GeneralOperation]: Start removeDead. Operand has 127 places, 116 transitions, 252 flow [2021-04-28 19:40:48,912 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 123 places, 112 transitions, 236 flow [2021-04-28 19:40:48,913 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 19:40:48,929 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 123 places, 112 transitions, 236 flow [2021-04-28 19:40:48,933 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 123 places, 112 transitions, 236 flow [2021-04-28 19:40:48,936 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 123 places, 112 transitions, 236 flow [2021-04-28 19:40:48,964 INFO L129 PetriNetUnfolder]: 2/112 cut-off events. [2021-04-28 19:40:48,964 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 19:40:48,965 INFO L84 FinitePrefix]: Finished finitePrefix Result has 125 conditions, 112 events. 2/112 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 93 event pairs, 0 based on Foata normal form. 0/108 useless extension candidates. Maximal degree in co-relation 76. Up to 2 conditions per place. [2021-04-28 19:40:48,970 INFO L146 LiptonReduction]: Number of co-enabled transitions 2630 [2021-04-28 19:40:52,768 WARN L205 SmtUtils]: Spent 280.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 60 [2021-04-28 19:40:52,881 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2021-04-28 19:40:53,422 WARN L205 SmtUtils]: Spent 534.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 88 [2021-04-28 19:40:53,654 WARN L205 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2021-04-28 19:40:54,832 WARN L205 SmtUtils]: Spent 1.10 s on a formula simplification. DAG size of input: 230 DAG size of output: 190 [2021-04-28 19:40:55,322 WARN L205 SmtUtils]: Spent 486.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2021-04-28 19:40:57,692 WARN L205 SmtUtils]: Spent 2.37 s on a formula simplification. DAG size of input: 314 DAG size of output: 270 [2021-04-28 19:40:58,702 WARN L205 SmtUtils]: Spent 1.01 s on a formula simplification that was a NOOP. DAG size: 267 [2021-04-28 19:41:02,498 WARN L205 SmtUtils]: Spent 1.17 s on a formula simplification. DAG size of input: 232 DAG size of output: 192 [2021-04-28 19:41:02,999 WARN L205 SmtUtils]: Spent 498.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2021-04-28 19:41:05,338 WARN L205 SmtUtils]: Spent 2.33 s on a formula simplification. DAG size of input: 316 DAG size of output: 272 [2021-04-28 19:41:06,417 WARN L205 SmtUtils]: Spent 1.08 s on a formula simplification that was a NOOP. DAG size: 269 [2021-04-28 19:41:07,620 WARN L205 SmtUtils]: Spent 1.19 s on a formula simplification. DAG size of input: 234 DAG size of output: 194 [2021-04-28 19:41:08,190 WARN L205 SmtUtils]: Spent 567.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2021-04-28 19:41:10,731 WARN L205 SmtUtils]: Spent 2.54 s on a formula simplification. DAG size of input: 318 DAG size of output: 274 [2021-04-28 19:41:11,935 WARN L205 SmtUtils]: Spent 1.20 s on a formula simplification that was a NOOP. DAG size: 271 [2021-04-28 19:41:13,443 WARN L205 SmtUtils]: Spent 1.50 s on a formula simplification. DAG size of input: 230 DAG size of output: 190 [2021-04-28 19:41:14,096 WARN L205 SmtUtils]: Spent 650.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2021-04-28 19:41:17,054 WARN L205 SmtUtils]: Spent 2.95 s on a formula simplification. DAG size of input: 314 DAG size of output: 270 [2021-04-28 19:41:18,445 WARN L205 SmtUtils]: Spent 1.39 s on a formula simplification that was a NOOP. DAG size: 267 [2021-04-28 19:41:21,241 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 48 [2021-04-28 19:41:23,468 WARN L205 SmtUtils]: Spent 1.42 s on a formula simplification. DAG size of input: 233 DAG size of output: 192 [2021-04-28 19:41:24,096 WARN L205 SmtUtils]: Spent 626.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2021-04-28 19:41:27,069 WARN L205 SmtUtils]: Spent 2.97 s on a formula simplification. DAG size of input: 317 DAG size of output: 273 [2021-04-28 19:41:28,479 WARN L205 SmtUtils]: Spent 1.41 s on a formula simplification that was a NOOP. DAG size: 270 [2021-04-28 19:41:30,002 WARN L205 SmtUtils]: Spent 1.52 s on a formula simplification. DAG size of input: 232 DAG size of output: 191 [2021-04-28 19:41:30,666 WARN L205 SmtUtils]: Spent 660.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2021-04-28 19:41:33,749 WARN L205 SmtUtils]: Spent 3.08 s on a formula simplification. DAG size of input: 316 DAG size of output: 271 [2021-04-28 19:41:35,065 WARN L205 SmtUtils]: Spent 1.31 s on a formula simplification that was a NOOP. DAG size: 268 [2021-04-28 19:41:36,575 WARN L205 SmtUtils]: Spent 1.51 s on a formula simplification. DAG size of input: 233 DAG size of output: 192 [2021-04-28 19:41:37,254 WARN L205 SmtUtils]: Spent 677.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2021-04-28 19:41:40,324 WARN L205 SmtUtils]: Spent 3.07 s on a formula simplification. DAG size of input: 317 DAG size of output: 273 [2021-04-28 19:41:41,722 WARN L205 SmtUtils]: Spent 1.40 s on a formula simplification that was a NOOP. DAG size: 270 [2021-04-28 19:41:43,233 WARN L205 SmtUtils]: Spent 1.51 s on a formula simplification. DAG size of input: 230 DAG size of output: 190 [2021-04-28 19:41:43,925 WARN L205 SmtUtils]: Spent 689.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2021-04-28 19:41:47,152 WARN L205 SmtUtils]: Spent 3.22 s on a formula simplification. DAG size of input: 314 DAG size of output: 270 [2021-04-28 19:41:48,757 WARN L205 SmtUtils]: Spent 1.60 s on a formula simplification that was a NOOP. DAG size: 267 [2021-04-28 19:41:52,368 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2021-04-28 19:41:53,034 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2021-04-28 19:41:53,141 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2021-04-28 19:41:53,245 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2021-04-28 19:41:53,352 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2021-04-28 19:41:53,799 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2021-04-28 19:41:53,916 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2021-04-28 19:41:54,023 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2021-04-28 19:41:54,130 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2021-04-28 19:41:57,073 WARN L205 SmtUtils]: Spent 1.85 s on a formula simplification. DAG size of input: 230 DAG size of output: 190 [2021-04-28 19:41:57,879 WARN L205 SmtUtils]: Spent 803.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2021-04-28 19:42:01,667 WARN L205 SmtUtils]: Spent 3.78 s on a formula simplification. DAG size of input: 314 DAG size of output: 269 [2021-04-28 19:42:03,401 WARN L205 SmtUtils]: Spent 1.73 s on a formula simplification that was a NOOP. DAG size: 266 [2021-04-28 19:42:05,532 WARN L205 SmtUtils]: Spent 2.13 s on a formula simplification. DAG size of input: 233 DAG size of output: 193 [2021-04-28 19:42:06,443 WARN L205 SmtUtils]: Spent 908.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2021-04-28 19:42:10,591 WARN L205 SmtUtils]: Spent 4.14 s on a formula simplification. DAG size of input: 317 DAG size of output: 273 [2021-04-28 19:42:12,499 WARN L205 SmtUtils]: Spent 1.90 s on a formula simplification that was a NOOP. DAG size: 270 [2021-04-28 19:42:14,651 WARN L205 SmtUtils]: Spent 2.15 s on a formula simplification. DAG size of input: 232 DAG size of output: 192 [2021-04-28 19:42:15,654 WARN L205 SmtUtils]: Spent 999.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2021-04-28 19:42:20,056 WARN L205 SmtUtils]: Spent 4.40 s on a formula simplification. DAG size of input: 316 DAG size of output: 272 [2021-04-28 19:42:22,074 WARN L205 SmtUtils]: Spent 2.02 s on a formula simplification that was a NOOP. DAG size: 269 [2021-04-28 19:42:22,761 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 48 [2021-04-28 19:42:22,871 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 48 [2021-04-28 19:42:22,980 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 48 [2021-04-28 19:42:23,084 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 48 [2021-04-28 19:42:23,199 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2021-04-28 19:42:23,318 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2021-04-28 19:42:23,434 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2021-04-28 19:42:23,548 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2021-04-28 19:42:23,656 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2021-04-28 19:42:23,763 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2021-04-28 19:42:23,874 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2021-04-28 19:42:23,982 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2021-04-28 19:42:24,394 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2021-04-28 19:42:24,523 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2021-04-28 19:42:24,644 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2021-04-28 19:42:24,765 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2021-04-28 19:42:28,436 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 53 [2021-04-28 19:42:28,541 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 53 [2021-04-28 19:42:28,650 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 53 [2021-04-28 19:42:28,751 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 53 [2021-04-28 19:42:29,146 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-04-28 19:42:29,322 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-04-28 19:42:29,495 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-04-28 19:42:29,674 WARN L205 SmtUtils]: Spent 177.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-04-28 19:42:29,823 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-04-28 19:42:29,964 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-04-28 19:42:30,128 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-04-28 19:42:30,295 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-04-28 19:42:30,474 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-04-28 19:42:30,649 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-04-28 19:42:30,838 WARN L205 SmtUtils]: Spent 188.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-04-28 19:42:31,024 WARN L205 SmtUtils]: Spent 183.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-04-28 19:42:31,200 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-04-28 19:42:31,362 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-04-28 19:42:31,522 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-04-28 19:42:31,687 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-04-28 19:42:31,885 WARN L205 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-28 19:42:32,081 WARN L205 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-28 19:42:32,276 WARN L205 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-28 19:42:32,467 WARN L205 SmtUtils]: Spent 189.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-28 19:42:32,618 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-04-28 19:42:32,774 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-04-28 19:42:32,951 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-04-28 19:42:33,121 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-04-28 19:42:33,287 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2021-04-28 19:42:33,434 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2021-04-28 19:42:33,584 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2021-04-28 19:42:33,734 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2021-04-28 19:42:33,890 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2021-04-28 19:42:34,042 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2021-04-28 19:42:34,182 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2021-04-28 19:42:34,324 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2021-04-28 19:42:34,498 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-28 19:42:34,674 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-28 19:42:34,859 WARN L205 SmtUtils]: Spent 181.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-28 19:42:35,047 WARN L205 SmtUtils]: Spent 186.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-28 19:42:35,590 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-04-28 19:42:35,733 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-04-28 19:42:35,879 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-04-28 19:42:36,030 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-04-28 19:42:36,169 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2021-04-28 19:42:36,306 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2021-04-28 19:42:36,446 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2021-04-28 19:42:36,582 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2021-04-28 19:42:36,690 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2021-04-28 19:42:36,799 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2021-04-28 19:42:36,907 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2021-04-28 19:42:37,020 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2021-04-28 19:42:37,154 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2021-04-28 19:42:37,287 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2021-04-28 19:42:37,420 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2021-04-28 19:42:37,550 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2021-04-28 19:42:37,667 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2021-04-28 19:42:37,782 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2021-04-28 19:42:37,896 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2021-04-28 19:42:38,012 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2021-04-28 19:42:38,227 WARN L205 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2021-04-28 19:42:38,452 WARN L205 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2021-04-28 19:42:38,670 WARN L205 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2021-04-28 19:42:38,873 WARN L205 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2021-04-28 19:42:39,019 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-04-28 19:42:39,169 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-04-28 19:42:39,321 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-04-28 19:42:39,470 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-04-28 19:42:39,616 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-04-28 19:42:39,758 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-04-28 19:42:39,902 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-04-28 19:42:40,047 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-04-28 19:42:40,191 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-04-28 19:42:40,332 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-04-28 19:42:40,474 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-04-28 19:42:40,612 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-04-28 19:42:40,742 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2021-04-28 19:42:40,869 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2021-04-28 19:42:41,004 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2021-04-28 19:42:41,142 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2021-04-28 19:42:41,280 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-04-28 19:42:41,420 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-04-28 19:42:41,557 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-04-28 19:42:41,694 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-04-28 19:42:41,914 WARN L205 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2021-04-28 19:42:42,140 WARN L205 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2021-04-28 19:42:42,368 WARN L205 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2021-04-28 19:42:42,610 WARN L205 SmtUtils]: Spent 240.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2021-04-28 19:42:42,841 WARN L205 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 19:42:43,082 WARN L205 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 19:42:43,307 WARN L205 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 19:42:43,539 WARN L205 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 19:42:43,801 WARN L205 SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 19:42:44,070 WARN L205 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 19:42:44,359 WARN L205 SmtUtils]: Spent 287.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 19:42:44,627 WARN L205 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 19:42:44,788 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-04-28 19:42:44,945 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-04-28 19:42:45,100 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-04-28 19:42:45,249 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-04-28 19:42:45,456 WARN L205 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-04-28 19:42:45,678 WARN L205 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-04-28 19:42:45,888 WARN L205 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-04-28 19:42:46,098 WARN L205 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-04-28 19:42:46,357 WARN L205 SmtUtils]: Spent 257.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-28 19:42:46,615 WARN L205 SmtUtils]: Spent 257.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-28 19:42:46,841 WARN L205 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-28 19:42:47,076 WARN L205 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-28 19:42:47,318 WARN L205 SmtUtils]: Spent 238.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-28 19:42:47,565 WARN L205 SmtUtils]: Spent 245.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-28 19:42:47,820 WARN L205 SmtUtils]: Spent 252.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-28 19:42:48,074 WARN L205 SmtUtils]: Spent 252.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-28 19:42:48,303 WARN L205 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-04-28 19:42:48,539 WARN L205 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-04-28 19:42:48,766 WARN L205 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-04-28 19:42:48,992 WARN L205 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-04-28 19:42:49,241 WARN L205 SmtUtils]: Spent 246.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-28 19:42:49,472 WARN L205 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-28 19:42:49,720 WARN L205 SmtUtils]: Spent 246.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-28 19:42:49,960 WARN L205 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-28 19:42:50,147 WARN L205 SmtUtils]: Spent 184.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-04-28 19:42:50,336 WARN L205 SmtUtils]: Spent 186.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-04-28 19:42:50,533 WARN L205 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-04-28 19:42:50,729 WARN L205 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-04-28 19:42:51,033 WARN L205 SmtUtils]: Spent 301.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-28 19:42:51,310 WARN L205 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-28 19:42:51,602 WARN L205 SmtUtils]: Spent 290.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-28 19:42:51,899 WARN L205 SmtUtils]: Spent 295.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-28 19:42:52,203 WARN L205 SmtUtils]: Spent 302.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 19:42:52,528 WARN L205 SmtUtils]: Spent 323.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 19:42:52,824 WARN L205 SmtUtils]: Spent 295.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 19:42:53,107 WARN L205 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 19:42:53,416 WARN L205 SmtUtils]: Spent 305.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2021-04-28 19:42:53,729 WARN L205 SmtUtils]: Spent 311.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2021-04-28 19:42:54,049 WARN L205 SmtUtils]: Spent 319.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2021-04-28 19:42:54,385 WARN L205 SmtUtils]: Spent 334.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2021-04-28 19:42:54,670 WARN L205 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 19:42:54,944 WARN L205 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 19:42:55,232 WARN L205 SmtUtils]: Spent 287.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 19:42:55,532 WARN L205 SmtUtils]: Spent 297.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 19:42:55,781 WARN L205 SmtUtils]: Spent 246.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-28 19:42:56,036 WARN L205 SmtUtils]: Spent 254.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-28 19:42:56,296 WARN L205 SmtUtils]: Spent 257.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-28 19:42:56,544 WARN L205 SmtUtils]: Spent 245.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-28 19:42:56,899 WARN L205 SmtUtils]: Spent 316.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2021-04-28 19:42:57,209 WARN L205 SmtUtils]: Spent 309.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2021-04-28 19:42:57,541 WARN L205 SmtUtils]: Spent 330.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2021-04-28 19:42:57,859 WARN L205 SmtUtils]: Spent 315.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2021-04-28 19:42:58,219 WARN L205 SmtUtils]: Spent 358.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-04-28 19:42:58,585 WARN L205 SmtUtils]: Spent 362.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-04-28 19:42:58,933 WARN L205 SmtUtils]: Spent 346.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-04-28 19:42:59,279 WARN L205 SmtUtils]: Spent 345.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-04-28 19:42:59,607 WARN L205 SmtUtils]: Spent 325.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2021-04-28 19:42:59,951 WARN L205 SmtUtils]: Spent 342.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2021-04-28 19:43:00,306 WARN L205 SmtUtils]: Spent 352.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2021-04-28 19:43:00,653 WARN L205 SmtUtils]: Spent 345.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2021-04-28 19:43:00,867 WARN L205 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 19:43:01,100 WARN L205 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 19:43:01,313 WARN L205 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 19:43:01,525 WARN L205 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 19:43:01,780 WARN L205 SmtUtils]: Spent 253.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-28 19:43:02,041 WARN L205 SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-28 19:43:02,290 WARN L205 SmtUtils]: Spent 247.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-28 19:43:02,527 WARN L205 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-28 19:43:02,834 WARN L205 SmtUtils]: Spent 303.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 19:43:03,123 WARN L205 SmtUtils]: Spent 287.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 19:43:03,402 WARN L205 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 19:43:03,703 WARN L205 SmtUtils]: Spent 299.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 19:43:04,020 WARN L205 SmtUtils]: Spent 314.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2021-04-28 19:43:04,339 WARN L205 SmtUtils]: Spent 316.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2021-04-28 19:43:04,670 WARN L205 SmtUtils]: Spent 329.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2021-04-28 19:43:05,010 WARN L205 SmtUtils]: Spent 336.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2021-04-28 19:43:05,364 WARN L205 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-04-28 19:43:05,726 WARN L205 SmtUtils]: Spent 360.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-04-28 19:43:06,095 WARN L205 SmtUtils]: Spent 367.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-04-28 19:43:06,467 WARN L205 SmtUtils]: Spent 370.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-04-28 19:43:07,402 WARN L205 SmtUtils]: Spent 931.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 117 [2021-04-28 19:43:07,830 WARN L205 SmtUtils]: Spent 425.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2021-04-28 19:43:08,707 WARN L205 SmtUtils]: Spent 874.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 117 [2021-04-28 19:43:09,123 WARN L205 SmtUtils]: Spent 414.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2021-04-28 19:43:09,985 WARN L205 SmtUtils]: Spent 859.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 122 [2021-04-28 19:43:10,441 WARN L205 SmtUtils]: Spent 453.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2021-04-28 19:43:11,398 WARN L205 SmtUtils]: Spent 953.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 122 [2021-04-28 19:43:11,822 WARN L205 SmtUtils]: Spent 422.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2021-04-28 19:43:12,173 WARN L205 SmtUtils]: Spent 348.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-04-28 19:43:12,525 WARN L205 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-04-28 19:43:12,878 WARN L205 SmtUtils]: Spent 352.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-04-28 19:43:13,219 WARN L205 SmtUtils]: Spent 339.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-04-28 19:43:13,555 WARN L205 SmtUtils]: Spent 334.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-04-28 19:43:13,898 WARN L205 SmtUtils]: Spent 341.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-04-28 19:43:14,234 WARN L205 SmtUtils]: Spent 334.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-04-28 19:43:14,563 WARN L205 SmtUtils]: Spent 327.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-04-28 19:43:14,907 WARN L205 SmtUtils]: Spent 342.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-04-28 19:43:15,277 WARN L205 SmtUtils]: Spent 368.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-04-28 19:43:15,624 WARN L205 SmtUtils]: Spent 345.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-04-28 19:43:15,975 WARN L205 SmtUtils]: Spent 349.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-04-28 19:43:16,256 WARN L205 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 19:43:16,537 WARN L205 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 19:43:16,834 WARN L205 SmtUtils]: Spent 295.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 19:43:17,126 WARN L205 SmtUtils]: Spent 291.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 19:43:17,190 INFO L158 LiptonReduction]: Checked pairs total: 26113 [2021-04-28 19:43:17,190 INFO L160 LiptonReduction]: Total number of compositions: 275 [2021-04-28 19:43:17,196 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 148284 [2021-04-28 19:43:17,222 INFO L129 PetriNetUnfolder]: 0/82 cut-off events. [2021-04-28 19:43:17,222 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 19:43:17,222 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 19:43:17,223 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2021-04-28 19:43:17,224 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 19:43:17,229 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 19:43:17,229 INFO L82 PathProgramCache]: Analyzing trace with hash -914108323, now seen corresponding path program 1 times [2021-04-28 19:43:17,237 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 19:43:17,238 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [298406724] [2021-04-28 19:43:17,238 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 19:43:17,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 19:43:17,537 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 19:43:17,539 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 19:43:17,551 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 19:43:17,552 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [298406724] [2021-04-28 19:43:17,552 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 19:43:17,552 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-04-28 19:43:17,553 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1487431639] [2021-04-28 19:43:17,563 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-04-28 19:43:17,563 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 19:43:17,578 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-04-28 19:43:17,580 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-04-28 19:43:17,584 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 303 out of 391 [2021-04-28 19:43:17,590 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 155 places, 144 transitions, 300 flow. Second operand has 3 states, 3 states have (on average 303.6666666666667) internal successors, (911), 3 states have internal predecessors, (911), 0 states have call successors, (0), 0 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 19:43:17,591 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 19:43:17,591 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 303 of 391 [2021-04-28 19:43:17,592 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 19:43:18,266 INFO L129 PetriNetUnfolder]: 329/808 cut-off events. [2021-04-28 19:43:18,266 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 19:43:18,272 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1367 conditions, 808 events. 329/808 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 135. Compared 5939 event pairs, 195 based on Foata normal form. 11/397 useless extension candidates. Maximal degree in co-relation 1285. Up to 401 conditions per place. [2021-04-28 19:43:18,276 INFO L132 encePairwiseOnDemand]: 372/391 looper letters, 9 selfloop transitions, 2 changer transitions 103/157 dead transitions. [2021-04-28 19:43:18,276 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 154 places, 157 transitions, 428 flow [2021-04-28 19:43:18,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-28 19:43:18,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-04-28 19:43:18,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 963 transitions. [2021-04-28 19:43:18,299 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8209718670076727 [2021-04-28 19:43:18,300 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 963 transitions. [2021-04-28 19:43:18,301 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 963 transitions. [2021-04-28 19:43:18,305 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 19:43:18,308 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 963 transitions. [2021-04-28 19:43:18,314 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 19:43:18,326 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 391.0) internal successors, (1564), 4 states have internal predecessors, (1564), 0 states have call successors, (0), 0 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 19:43:18,328 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 391.0) internal successors, (1564), 4 states have internal predecessors, (1564), 0 states have call successors, (0), 0 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 19:43:18,330 INFO L185 Difference]: Start difference. First operand has 155 places, 144 transitions, 300 flow. Second operand 3 states and 963 transitions. [2021-04-28 19:43:18,331 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 154 places, 157 transitions, 428 flow [2021-04-28 19:43:18,336 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 150 places, 157 transitions, 424 flow, removed 0 selfloop flow, removed 4 redundant places. [2021-04-28 19:43:18,339 INFO L241 Difference]: Finished difference. Result has 150 places, 50 transitions, 112 flow [2021-04-28 19:43:18,342 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=391, PETRI_DIFFERENCE_MINUEND_FLOW=286, PETRI_DIFFERENCE_MINUEND_PLACES=148, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=139, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=137, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=112, PETRI_PLACES=150, PETRI_TRANSITIONS=50} [2021-04-28 19:43:18,343 INFO L343 CegarLoopForPetriNet]: 155 programPoint places, -5 predicate places. [2021-04-28 19:43:18,343 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 19:43:18,344 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 150 places, 50 transitions, 112 flow [2021-04-28 19:43:18,344 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 150 places, 50 transitions, 112 flow [2021-04-28 19:43:18,345 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 61 places, 50 transitions, 112 flow [2021-04-28 19:43:18,352 INFO L129 PetriNetUnfolder]: 0/50 cut-off events. [2021-04-28 19:43:18,352 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 19:43:18,352 INFO L84 FinitePrefix]: Finished finitePrefix Result has 62 conditions, 50 events. 0/50 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. 0/28 useless extension candidates. Maximal degree in co-relation 0. Up to 2 conditions per place. [2021-04-28 19:43:18,354 INFO L146 LiptonReduction]: Number of co-enabled transitions 1494 [2021-04-28 19:43:18,696 INFO L158 LiptonReduction]: Checked pairs total: 1518 [2021-04-28 19:43:18,696 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 19:43:18,696 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 353 [2021-04-28 19:43:18,698 INFO L480 AbstractCegarLoop]: Abstraction has has 61 places, 50 transitions, 112 flow [2021-04-28 19:43:18,699 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 303.6666666666667) internal successors, (911), 3 states have internal predecessors, (911), 0 states have call successors, (0), 0 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 19:43:18,700 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 19:43:18,700 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 19:43:18,700 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-04-28 19:43:18,700 INFO L428 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 19:43:18,701 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 19:43:18,701 INFO L82 PathProgramCache]: Analyzing trace with hash -891907862, now seen corresponding path program 1 times [2021-04-28 19:43:18,701 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 19:43:18,701 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1680106305] [2021-04-28 19:43:18,701 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 19:43:18,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 19:43:18,856 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 19:43:18,858 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 19:43:18,864 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 19:43:18,864 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1680106305] [2021-04-28 19:43:18,865 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 19:43:18,865 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-04-28 19:43:18,865 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [551954948] [2021-04-28 19:43:18,867 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-04-28 19:43:18,867 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 19:43:18,867 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-04-28 19:43:18,868 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-04-28 19:43:18,870 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 327 out of 391 [2021-04-28 19:43:18,871 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 61 places, 50 transitions, 112 flow. Second operand has 3 states, 3 states have (on average 327.6666666666667) internal successors, (983), 3 states have internal predecessors, (983), 0 states have call successors, (0), 0 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 19:43:18,872 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 19:43:18,872 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 327 of 391 [2021-04-28 19:43:18,872 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 19:43:18,903 INFO L129 PetriNetUnfolder]: 7/78 cut-off events. [2021-04-28 19:43:18,903 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 19:43:18,904 INFO L84 FinitePrefix]: Finished finitePrefix Result has 109 conditions, 78 events. 7/78 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 263 event pairs, 3 based on Foata normal form. 1/51 useless extension candidates. Maximal degree in co-relation 100. Up to 18 conditions per place. [2021-04-28 19:43:18,905 INFO L132 encePairwiseOnDemand]: 387/391 looper letters, 4 selfloop transitions, 3 changer transitions 2/52 dead transitions. [2021-04-28 19:43:18,905 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 63 places, 52 transitions, 130 flow [2021-04-28 19:43:18,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-28 19:43:18,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-04-28 19:43:18,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 989 transitions. [2021-04-28 19:43:18,913 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8431372549019608 [2021-04-28 19:43:18,913 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 989 transitions. [2021-04-28 19:43:18,913 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 989 transitions. [2021-04-28 19:43:18,914 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 19:43:18,914 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 989 transitions. [2021-04-28 19:43:18,917 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 329.6666666666667) internal successors, (989), 3 states have internal predecessors, (989), 0 states have call successors, (0), 0 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 19:43:18,922 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 391.0) internal successors, (1564), 4 states have internal predecessors, (1564), 0 states have call successors, (0), 0 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 19:43:18,924 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 391.0) internal successors, (1564), 4 states have internal predecessors, (1564), 0 states have call successors, (0), 0 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 19:43:18,924 INFO L185 Difference]: Start difference. First operand has 61 places, 50 transitions, 112 flow. Second operand 3 states and 989 transitions. [2021-04-28 19:43:18,924 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 63 places, 52 transitions, 130 flow [2021-04-28 19:43:18,925 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 61 places, 52 transitions, 126 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-04-28 19:43:18,926 INFO L241 Difference]: Finished difference. Result has 62 places, 50 transitions, 123 flow [2021-04-28 19:43:18,926 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=391, PETRI_DIFFERENCE_MINUEND_FLOW=108, PETRI_DIFFERENCE_MINUEND_PLACES=59, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=50, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=47, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=123, PETRI_PLACES=62, PETRI_TRANSITIONS=50} [2021-04-28 19:43:18,927 INFO L343 CegarLoopForPetriNet]: 155 programPoint places, -93 predicate places. [2021-04-28 19:43:18,927 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 19:43:18,927 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 62 places, 50 transitions, 123 flow [2021-04-28 19:43:18,928 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 62 places, 50 transitions, 123 flow [2021-04-28 19:43:18,928 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 60 places, 50 transitions, 123 flow [2021-04-28 19:43:18,938 INFO L129 PetriNetUnfolder]: 3/62 cut-off events. [2021-04-28 19:43:18,938 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 19:43:18,939 INFO L84 FinitePrefix]: Finished finitePrefix Result has 85 conditions, 62 events. 3/62 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 221 event pairs, 1 based on Foata normal form. 0/37 useless extension candidates. Maximal degree in co-relation 77. Up to 10 conditions per place. [2021-04-28 19:43:18,941 INFO L146 LiptonReduction]: Number of co-enabled transitions 1504 [2021-04-28 19:43:19,062 INFO L158 LiptonReduction]: Checked pairs total: 1416 [2021-04-28 19:43:19,063 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 19:43:19,063 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 136 [2021-04-28 19:43:19,064 INFO L480 AbstractCegarLoop]: Abstraction has has 60 places, 50 transitions, 123 flow [2021-04-28 19:43:19,065 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 327.6666666666667) internal successors, (983), 3 states have internal predecessors, (983), 0 states have call successors, (0), 0 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 19:43:19,065 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 19:43:19,066 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 19:43:19,066 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-04-28 19:43:19,066 INFO L428 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 19:43:19,066 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 19:43:19,066 INFO L82 PathProgramCache]: Analyzing trace with hash -1881346864, now seen corresponding path program 1 times [2021-04-28 19:43:19,067 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 19:43:19,067 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1954159211] [2021-04-28 19:43:19,067 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 19:43:19,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 19:43:19,227 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 19:43:19,228 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 19:43:19,237 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 19:43:19,238 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1954159211] [2021-04-28 19:43:19,238 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 19:43:19,238 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-04-28 19:43:19,238 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1443546442] [2021-04-28 19:43:19,238 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-04-28 19:43:19,239 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 19:43:19,239 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-04-28 19:43:19,239 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-04-28 19:43:19,241 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 272 out of 391 [2021-04-28 19:43:19,243 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 60 places, 50 transitions, 123 flow. Second operand has 3 states, 3 states have (on average 272.6666666666667) internal successors, (818), 3 states have internal predecessors, (818), 0 states have call successors, (0), 0 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 19:43:19,244 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 19:43:19,244 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 272 of 391 [2021-04-28 19:43:19,244 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 19:43:19,267 INFO L129 PetriNetUnfolder]: 2/58 cut-off events. [2021-04-28 19:43:19,267 INFO L130 PetriNetUnfolder]: For 5/5 co-relation queries the response was YES. [2021-04-28 19:43:19,267 INFO L84 FinitePrefix]: Finished finitePrefix Result has 85 conditions, 58 events. 2/58 cut-off events. For 5/5 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 189 event pairs, 0 based on Foata normal form. 2/38 useless extension candidates. Maximal degree in co-relation 75. Up to 8 conditions per place. [2021-04-28 19:43:19,268 INFO L132 encePairwiseOnDemand]: 388/391 looper letters, 1 selfloop transitions, 2 changer transitions 1/50 dead transitions. [2021-04-28 19:43:19,268 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 62 places, 50 transitions, 129 flow [2021-04-28 19:43:19,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-28 19:43:19,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-04-28 19:43:19,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 820 transitions. [2021-04-28 19:43:19,274 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6990622335890878 [2021-04-28 19:43:19,274 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 820 transitions. [2021-04-28 19:43:19,274 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 820 transitions. [2021-04-28 19:43:19,275 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 19:43:19,275 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 820 transitions. [2021-04-28 19:43:19,277 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 273.3333333333333) internal successors, (820), 3 states have internal predecessors, (820), 0 states have call successors, (0), 0 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 19:43:19,281 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 391.0) internal successors, (1564), 4 states have internal predecessors, (1564), 0 states have call successors, (0), 0 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 19:43:19,283 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 391.0) internal successors, (1564), 4 states have internal predecessors, (1564), 0 states have call successors, (0), 0 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 19:43:19,283 INFO L185 Difference]: Start difference. First operand has 60 places, 50 transitions, 123 flow. Second operand 3 states and 820 transitions. [2021-04-28 19:43:19,283 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 62 places, 50 transitions, 129 flow [2021-04-28 19:43:19,284 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 61 places, 50 transitions, 126 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-04-28 19:43:19,285 INFO L241 Difference]: Finished difference. Result has 62 places, 49 transitions, 126 flow [2021-04-28 19:43:19,285 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=391, PETRI_DIFFERENCE_MINUEND_FLOW=120, PETRI_DIFFERENCE_MINUEND_PLACES=59, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=50, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=48, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=126, PETRI_PLACES=62, PETRI_TRANSITIONS=49} [2021-04-28 19:43:19,286 INFO L343 CegarLoopForPetriNet]: 155 programPoint places, -93 predicate places. [2021-04-28 19:43:19,286 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 19:43:19,286 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 62 places, 49 transitions, 126 flow [2021-04-28 19:43:19,286 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 62 places, 49 transitions, 126 flow [2021-04-28 19:43:19,287 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 61 places, 49 transitions, 126 flow [2021-04-28 19:43:19,296 INFO L129 PetriNetUnfolder]: 2/57 cut-off events. [2021-04-28 19:43:19,296 INFO L130 PetriNetUnfolder]: For 2/3 co-relation queries the response was YES. [2021-04-28 19:43:19,296 INFO L84 FinitePrefix]: Finished finitePrefix Result has 84 conditions, 57 events. 2/57 cut-off events. For 2/3 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 200 event pairs, 0 based on Foata normal form. 0/35 useless extension candidates. Maximal degree in co-relation 74. Up to 8 conditions per place. [2021-04-28 19:43:19,298 INFO L146 LiptonReduction]: Number of co-enabled transitions 1438 [2021-04-28 19:43:19,379 INFO L158 LiptonReduction]: Checked pairs total: 1323 [2021-04-28 19:43:19,379 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 19:43:19,379 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 93 [2021-04-28 19:43:19,380 INFO L480 AbstractCegarLoop]: Abstraction has has 61 places, 49 transitions, 126 flow [2021-04-28 19:43:19,381 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 272.6666666666667) internal successors, (818), 3 states have internal predecessors, (818), 0 states have call successors, (0), 0 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 19:43:19,381 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 19:43:19,382 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 19:43:19,382 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-04-28 19:43:19,382 INFO L428 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 19:43:19,382 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 19:43:19,382 INFO L82 PathProgramCache]: Analyzing trace with hash 1807785011, now seen corresponding path program 1 times [2021-04-28 19:43:19,383 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 19:43:19,383 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [824731876] [2021-04-28 19:43:19,383 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 19:43:19,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 19:43:19,486 INFO L142 QuantifierPusher]: treesize reduction 13, result has 58.1 percent of original size [2021-04-28 19:43:19,488 INFO L147 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size 14 [2021-04-28 19:43:19,537 INFO L142 QuantifierPusher]: treesize reduction 4, result has 66.7 percent of original size [2021-04-28 19:43:19,538 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-04-28 19:43:19,556 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 19:43:19,557 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [824731876] [2021-04-28 19:43:19,557 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 19:43:19,557 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-04-28 19:43:19,557 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [313675837] [2021-04-28 19:43:19,558 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-04-28 19:43:19,558 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 19:43:19,558 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-04-28 19:43:19,558 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-04-28 19:43:19,561 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 230 out of 391 [2021-04-28 19:43:19,562 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 61 places, 49 transitions, 126 flow. Second operand has 4 states, 4 states have (on average 230.75) internal successors, (923), 4 states have internal predecessors, (923), 0 states have call successors, (0), 0 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 19:43:19,563 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 19:43:19,563 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 230 of 391 [2021-04-28 19:43:19,563 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 19:43:19,736 INFO L129 PetriNetUnfolder]: 92/247 cut-off events. [2021-04-28 19:43:19,736 INFO L130 PetriNetUnfolder]: For 52/73 co-relation queries the response was YES. [2021-04-28 19:43:19,738 INFO L84 FinitePrefix]: Finished finitePrefix Result has 465 conditions, 247 events. 92/247 cut-off events. For 52/73 co-relation queries the response was YES. Maximal size of possible extension queue 38. Compared 1279 event pairs, 42 based on Foata normal form. 7/184 useless extension candidates. Maximal degree in co-relation 453. Up to 123 conditions per place. [2021-04-28 19:43:19,741 INFO L132 encePairwiseOnDemand]: 388/391 looper letters, 10 selfloop transitions, 2 changer transitions 0/53 dead transitions. [2021-04-28 19:43:19,741 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 63 places, 53 transitions, 158 flow [2021-04-28 19:43:19,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-28 19:43:19,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-04-28 19:43:19,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 703 transitions. [2021-04-28 19:43:19,747 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5993179880647911 [2021-04-28 19:43:19,747 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 703 transitions. [2021-04-28 19:43:19,747 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 703 transitions. [2021-04-28 19:43:19,748 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 19:43:19,748 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 703 transitions. [2021-04-28 19:43:19,750 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 234.33333333333334) internal successors, (703), 3 states have internal predecessors, (703), 0 states have call successors, (0), 0 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 19:43:19,754 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 391.0) internal successors, (1564), 4 states have internal predecessors, (1564), 0 states have call successors, (0), 0 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 19:43:19,755 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 391.0) internal successors, (1564), 4 states have internal predecessors, (1564), 0 states have call successors, (0), 0 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 19:43:19,756 INFO L185 Difference]: Start difference. First operand has 61 places, 49 transitions, 126 flow. Second operand 3 states and 703 transitions. [2021-04-28 19:43:19,756 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 63 places, 53 transitions, 158 flow [2021-04-28 19:43:19,757 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 61 places, 53 transitions, 154 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-04-28 19:43:19,759 INFO L241 Difference]: Finished difference. Result has 62 places, 49 transitions, 130 flow [2021-04-28 19:43:19,759 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=391, PETRI_DIFFERENCE_MINUEND_FLOW=122, PETRI_DIFFERENCE_MINUEND_PLACES=59, 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=130, PETRI_PLACES=62, PETRI_TRANSITIONS=49} [2021-04-28 19:43:19,759 INFO L343 CegarLoopForPetriNet]: 155 programPoint places, -93 predicate places. [2021-04-28 19:43:19,759 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 19:43:19,759 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 62 places, 49 transitions, 130 flow [2021-04-28 19:43:19,760 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 62 places, 49 transitions, 130 flow [2021-04-28 19:43:19,760 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 62 places, 49 transitions, 130 flow [2021-04-28 19:43:19,770 INFO L129 PetriNetUnfolder]: 2/57 cut-off events. [2021-04-28 19:43:19,770 INFO L130 PetriNetUnfolder]: For 6/7 co-relation queries the response was YES. [2021-04-28 19:43:19,771 INFO L84 FinitePrefix]: Finished finitePrefix Result has 87 conditions, 57 events. 2/57 cut-off events. For 6/7 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 202 event pairs, 0 based on Foata normal form. 0/36 useless extension candidates. Maximal degree in co-relation 76. Up to 8 conditions per place. [2021-04-28 19:43:19,772 INFO L146 LiptonReduction]: Number of co-enabled transitions 1434 [2021-04-28 19:43:20,077 INFO L158 LiptonReduction]: Checked pairs total: 1255 [2021-04-28 19:43:20,078 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 19:43:20,078 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 319 [2021-04-28 19:43:20,079 INFO L480 AbstractCegarLoop]: Abstraction has has 62 places, 49 transitions, 130 flow [2021-04-28 19:43:20,080 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 230.75) internal successors, (923), 4 states have internal predecessors, (923), 0 states have call successors, (0), 0 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 19:43:20,080 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 19:43:20,081 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 19:43:20,081 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-04-28 19:43:20,081 INFO L428 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 19:43:20,081 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 19:43:20,081 INFO L82 PathProgramCache]: Analyzing trace with hash 124084352, now seen corresponding path program 1 times [2021-04-28 19:43:20,082 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 19:43:20,082 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2052409311] [2021-04-28 19:43:20,082 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 19:43:20,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 19:43:20,222 INFO L142 QuantifierPusher]: treesize reduction 13, result has 53.6 percent of original size [2021-04-28 19:43:20,225 INFO L147 QuantifierPusher]: treesize reduction 4, result has 73.3 percent of original size 11 [2021-04-28 19:43:20,268 INFO L142 QuantifierPusher]: treesize reduction 23, result has 45.2 percent of original size [2021-04-28 19:43:20,272 INFO L147 QuantifierPusher]: treesize reduction 4, result has 78.9 percent of original size 15 [2021-04-28 19:43:20,325 INFO L142 QuantifierPusher]: treesize reduction 14, result has 58.8 percent of original size [2021-04-28 19:43:20,327 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-28 19:43:20,373 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 19:43:20,374 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2052409311] [2021-04-28 19:43:20,374 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 19:43:20,374 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-04-28 19:43:20,374 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1555896959] [2021-04-28 19:43:20,374 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-04-28 19:43:20,375 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 19:43:20,375 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-04-28 19:43:20,375 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-04-28 19:43:20,378 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 222 out of 391 [2021-04-28 19:43:20,380 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 62 places, 49 transitions, 130 flow. Second operand has 5 states, 5 states have (on average 222.8) internal successors, (1114), 5 states have internal predecessors, (1114), 0 states have call successors, (0), 0 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 19:43:20,381 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 19:43:20,381 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 222 of 391 [2021-04-28 19:43:20,381 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 19:43:20,642 INFO L129 PetriNetUnfolder]: 92/290 cut-off events. [2021-04-28 19:43:20,642 INFO L130 PetriNetUnfolder]: For 171/215 co-relation queries the response was YES. [2021-04-28 19:43:20,645 INFO L84 FinitePrefix]: Finished finitePrefix Result has 542 conditions, 290 events. 92/290 cut-off events. For 171/215 co-relation queries the response was YES. Maximal size of possible extension queue 45. Compared 1675 event pairs, 12 based on Foata normal form. 15/212 useless extension candidates. Maximal degree in co-relation 529. Up to 107 conditions per place. [2021-04-28 19:43:20,647 INFO L132 encePairwiseOnDemand]: 385/391 looper letters, 12 selfloop transitions, 5 changer transitions 0/58 dead transitions. [2021-04-28 19:43:20,648 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 65 places, 58 transitions, 182 flow [2021-04-28 19:43:20,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-04-28 19:43:20,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-04-28 19:43:20,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 906 transitions. [2021-04-28 19:43:20,655 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5792838874680307 [2021-04-28 19:43:20,655 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 906 transitions. [2021-04-28 19:43:20,655 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 906 transitions. [2021-04-28 19:43:20,656 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 19:43:20,656 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 906 transitions. [2021-04-28 19:43:20,659 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 226.5) internal successors, (906), 4 states have internal predecessors, (906), 0 states have call successors, (0), 0 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 19:43:20,664 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 391.0) internal successors, (1955), 5 states have internal predecessors, (1955), 0 states have call successors, (0), 0 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 19:43:20,666 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 391.0) internal successors, (1955), 5 states have internal predecessors, (1955), 0 states have call successors, (0), 0 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 19:43:20,666 INFO L185 Difference]: Start difference. First operand has 62 places, 49 transitions, 130 flow. Second operand 4 states and 906 transitions. [2021-04-28 19:43:20,666 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 65 places, 58 transitions, 182 flow [2021-04-28 19:43:20,667 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 63 places, 58 transitions, 178 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-04-28 19:43:20,669 INFO L241 Difference]: Finished difference. Result has 64 places, 52 transitions, 154 flow [2021-04-28 19:43:20,669 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=391, PETRI_DIFFERENCE_MINUEND_FLOW=126, PETRI_DIFFERENCE_MINUEND_PLACES=60, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=49, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=44, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=154, PETRI_PLACES=64, PETRI_TRANSITIONS=52} [2021-04-28 19:43:20,670 INFO L343 CegarLoopForPetriNet]: 155 programPoint places, -91 predicate places. [2021-04-28 19:43:20,670 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 19:43:20,670 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 64 places, 52 transitions, 154 flow [2021-04-28 19:43:20,670 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 64 places, 52 transitions, 154 flow [2021-04-28 19:43:20,671 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 64 places, 52 transitions, 154 flow [2021-04-28 19:43:20,698 INFO L129 PetriNetUnfolder]: 29/133 cut-off events. [2021-04-28 19:43:20,698 INFO L130 PetriNetUnfolder]: For 71/80 co-relation queries the response was YES. [2021-04-28 19:43:20,700 INFO L84 FinitePrefix]: Finished finitePrefix Result has 258 conditions, 133 events. 29/133 cut-off events. For 71/80 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 627 event pairs, 11 based on Foata normal form. 0/91 useless extension candidates. Maximal degree in co-relation 246. Up to 47 conditions per place. [2021-04-28 19:43:20,704 INFO L146 LiptonReduction]: Number of co-enabled transitions 1582 [2021-04-28 19:43:20,851 INFO L158 LiptonReduction]: Checked pairs total: 676 [2021-04-28 19:43:20,851 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 19:43:20,851 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 181 [2021-04-28 19:43:20,853 INFO L480 AbstractCegarLoop]: Abstraction has has 64 places, 52 transitions, 154 flow [2021-04-28 19:43:20,854 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 222.8) internal successors, (1114), 5 states have internal predecessors, (1114), 0 states have call successors, (0), 0 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 19:43:20,854 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 19:43:20,854 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 19:43:20,854 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-04-28 19:43:20,854 INFO L428 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 19:43:20,854 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 19:43:20,855 INFO L82 PathProgramCache]: Analyzing trace with hash -168744037, now seen corresponding path program 1 times [2021-04-28 19:43:20,855 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 19:43:20,855 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [363594817] [2021-04-28 19:43:20,855 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 19:43:20,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 19:43:20,948 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 19:43:20,949 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 19:43:20,959 INFO L142 QuantifierPusher]: treesize reduction 11, result has 54.2 percent of original size [2021-04-28 19:43:20,961 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-28 19:43:20,985 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 19:43:20,987 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 19:43:20,987 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 19:43:20,987 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [363594817] [2021-04-28 19:43:20,987 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 19:43:20,988 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-04-28 19:43:20,988 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [107224768] [2021-04-28 19:43:20,988 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-04-28 19:43:20,988 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 19:43:20,989 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-04-28 19:43:20,989 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-04-28 19:43:20,991 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 294 out of 391 [2021-04-28 19:43:20,993 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 64 places, 52 transitions, 154 flow. Second operand has 4 states, 4 states have (on average 294.75) internal successors, (1179), 4 states have internal predecessors, (1179), 0 states have call successors, (0), 0 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 19:43:20,993 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 19:43:20,993 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 294 of 391 [2021-04-28 19:43:20,994 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 19:43:25,546 INFO L129 PetriNetUnfolder]: 19737/28991 cut-off events. [2021-04-28 19:43:25,546 INFO L130 PetriNetUnfolder]: For 3580/3991 co-relation queries the response was YES. [2021-04-28 19:43:25,734 INFO L84 FinitePrefix]: Finished finitePrefix Result has 59741 conditions, 28991 events. 19737/28991 cut-off events. For 3580/3991 co-relation queries the response was YES. Maximal size of possible extension queue 5856. Compared 247470 event pairs, 10586 based on Foata normal form. 544/8559 useless extension candidates. Maximal degree in co-relation 59727. Up to 17962 conditions per place. [2021-04-28 19:43:25,989 INFO L132 encePairwiseOnDemand]: 371/391 looper letters, 34 selfloop transitions, 33 changer transitions 0/96 dead transitions. [2021-04-28 19:43:25,989 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 68 places, 96 transitions, 376 flow [2021-04-28 19:43:25,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-04-28 19:43:25,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-04-28 19:43:25,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1536 transitions. [2021-04-28 19:43:25,997 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7856777493606139 [2021-04-28 19:43:25,998 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 1536 transitions. [2021-04-28 19:43:25,998 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 1536 transitions. [2021-04-28 19:43:25,999 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 19:43:25,999 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1536 transitions. [2021-04-28 19:43:26,005 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 307.2) internal successors, (1536), 5 states have internal predecessors, (1536), 0 states have call successors, (0), 0 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 19:43:26,011 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 391.0) internal successors, (2346), 6 states have internal predecessors, (2346), 0 states have call successors, (0), 0 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 19:43:26,012 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 391.0) internal successors, (2346), 6 states have internal predecessors, (2346), 0 states have call successors, (0), 0 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 19:43:26,012 INFO L185 Difference]: Start difference. First operand has 64 places, 52 transitions, 154 flow. Second operand 5 states and 1536 transitions. [2021-04-28 19:43:26,012 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 68 places, 96 transitions, 376 flow [2021-04-28 19:43:26,021 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 66 places, 96 transitions, 370 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-04-28 19:43:26,026 INFO L241 Difference]: Finished difference. Result has 69 places, 83 transitions, 394 flow [2021-04-28 19:43:26,026 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=391, PETRI_DIFFERENCE_MINUEND_FLOW=148, PETRI_DIFFERENCE_MINUEND_PLACES=62, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=52, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=32, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=394, PETRI_PLACES=69, PETRI_TRANSITIONS=83} [2021-04-28 19:43:26,027 INFO L343 CegarLoopForPetriNet]: 155 programPoint places, -86 predicate places. [2021-04-28 19:43:26,027 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 19:43:26,027 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 69 places, 83 transitions, 394 flow [2021-04-28 19:43:26,027 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 69 places, 83 transitions, 394 flow [2021-04-28 19:43:26,028 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 69 places, 83 transitions, 394 flow [2021-04-28 19:43:29,566 INFO L129 PetriNetUnfolder]: 17853/26534 cut-off events. [2021-04-28 19:43:29,566 INFO L130 PetriNetUnfolder]: For 7723/188151 co-relation queries the response was YES. [2021-04-28 19:43:29,819 INFO L84 FinitePrefix]: Finished finitePrefix Result has 76457 conditions, 26534 events. 17853/26534 cut-off events. For 7723/188151 co-relation queries the response was YES. Maximal size of possible extension queue 5376. Compared 234566 event pairs, 10092 based on Foata normal form. 50/7606 useless extension candidates. Maximal degree in co-relation 76442. Up to 24896 conditions per place. [2021-04-28 19:43:30,185 INFO L146 LiptonReduction]: Number of co-enabled transitions 2342 [2021-04-28 19:43:30,341 INFO L158 LiptonReduction]: Checked pairs total: 1137 [2021-04-28 19:43:30,341 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 19:43:30,341 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 4314 [2021-04-28 19:43:30,344 INFO L480 AbstractCegarLoop]: Abstraction has has 69 places, 83 transitions, 394 flow [2021-04-28 19:43:30,345 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 294.75) internal successors, (1179), 4 states have internal predecessors, (1179), 0 states have call successors, (0), 0 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 19:43:30,345 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 19:43:30,345 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 19:43:30,345 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-04-28 19:43:30,345 INFO L428 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 19:43:30,346 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 19:43:30,346 INFO L82 PathProgramCache]: Analyzing trace with hash 1969204501, now seen corresponding path program 1 times [2021-04-28 19:43:30,346 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 19:43:30,346 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [405049866] [2021-04-28 19:43:30,346 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 19:43:30,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 19:43:30,503 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 19:43:30,505 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 19:43:30,514 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 19:43:30,515 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 19:43:30,530 INFO L142 QuantifierPusher]: treesize reduction 11, result has 54.2 percent of original size [2021-04-28 19:43:30,532 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-28 19:43:30,558 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 19:43:30,559 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 19:43:30,560 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 19:43:30,560 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [405049866] [2021-04-28 19:43:30,560 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 19:43:30,560 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-04-28 19:43:30,560 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1257238191] [2021-04-28 19:43:30,561 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-04-28 19:43:30,561 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 19:43:30,562 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-04-28 19:43:30,562 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-04-28 19:43:30,564 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 294 out of 391 [2021-04-28 19:43:30,566 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 69 places, 83 transitions, 394 flow. Second operand has 5 states, 5 states have (on average 294.8) internal successors, (1474), 5 states have internal predecessors, (1474), 0 states have call successors, (0), 0 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 19:43:30,566 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 19:43:30,566 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 294 of 391 [2021-04-28 19:43:30,566 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 19:43:35,099 INFO L129 PetriNetUnfolder]: 21963/33869 cut-off events. [2021-04-28 19:43:35,100 INFO L130 PetriNetUnfolder]: For 15714/816825 co-relation queries the response was YES. [2021-04-28 19:43:35,229 INFO L84 FinitePrefix]: Finished finitePrefix Result has 130221 conditions, 33869 events. 21963/33869 cut-off events. For 15714/816825 co-relation queries the response was YES. Maximal size of possible extension queue 7485. Compared 306422 event pairs, 4469 based on Foata normal form. 662/11104 useless extension candidates. Maximal degree in co-relation 130204. Up to 31244 conditions per place. [2021-04-28 19:43:35,368 INFO L132 encePairwiseOnDemand]: 371/391 looper letters, 35 selfloop transitions, 64 changer transitions 0/128 dead transitions. [2021-04-28 19:43:35,368 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 75 places, 128 transitions, 841 flow [2021-04-28 19:43:35,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-04-28 19:43:35,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-04-28 19:43:35,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 2154 transitions. [2021-04-28 19:43:35,379 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7869930580928023 [2021-04-28 19:43:35,379 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 2154 transitions. [2021-04-28 19:43:35,379 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 2154 transitions. [2021-04-28 19:43:35,382 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 19:43:35,382 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 2154 transitions. [2021-04-28 19:43:35,389 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 307.7142857142857) internal successors, (2154), 7 states have internal predecessors, (2154), 0 states have call successors, (0), 0 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 19:43:35,397 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 391.0) internal successors, (3128), 8 states have internal predecessors, (3128), 0 states have call successors, (0), 0 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 19:43:35,399 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 391.0) internal successors, (3128), 8 states have internal predecessors, (3128), 0 states have call successors, (0), 0 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 19:43:35,399 INFO L185 Difference]: Start difference. First operand has 69 places, 83 transitions, 394 flow. Second operand 7 states and 2154 transitions. [2021-04-28 19:43:35,399 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 75 places, 128 transitions, 841 flow [2021-04-28 19:43:35,502 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 75 places, 128 transitions, 841 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-04-28 19:43:35,506 INFO L241 Difference]: Finished difference. Result has 78 places, 114 transitions, 836 flow [2021-04-28 19:43:35,506 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=391, PETRI_DIFFERENCE_MINUEND_FLOW=394, PETRI_DIFFERENCE_MINUEND_PLACES=69, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=83, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=33, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=32, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=836, PETRI_PLACES=78, PETRI_TRANSITIONS=114} [2021-04-28 19:43:35,506 INFO L343 CegarLoopForPetriNet]: 155 programPoint places, -77 predicate places. [2021-04-28 19:43:35,506 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 19:43:35,506 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 78 places, 114 transitions, 836 flow [2021-04-28 19:43:35,507 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 78 places, 114 transitions, 836 flow [2021-04-28 19:43:35,508 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 78 places, 114 transitions, 836 flow [2021-04-28 19:43:38,625 INFO L129 PetriNetUnfolder]: 19837/31151 cut-off events. [2021-04-28 19:43:38,625 INFO L130 PetriNetUnfolder]: For 49378/1048975 co-relation queries the response was YES. [2021-04-28 19:43:38,758 INFO L84 FinitePrefix]: Finished finitePrefix Result has 147176 conditions, 31151 events. 19837/31151 cut-off events. For 49378/1048975 co-relation queries the response was YES. Maximal size of possible extension queue 7119. Compared 301547 event pairs, 4295 based on Foata normal form. 62/9356 useless extension candidates. Maximal degree in co-relation 147156. Up to 29330 conditions per place. [2021-04-28 19:43:39,197 INFO L146 LiptonReduction]: Number of co-enabled transitions 3330 [2021-04-28 19:43:39,258 INFO L158 LiptonReduction]: Checked pairs total: 2126 [2021-04-28 19:43:39,258 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 19:43:39,258 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 3752 [2021-04-28 19:43:39,260 INFO L480 AbstractCegarLoop]: Abstraction has has 78 places, 114 transitions, 836 flow [2021-04-28 19:43:39,261 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 294.8) internal successors, (1474), 5 states have internal predecessors, (1474), 0 states have call successors, (0), 0 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 19:43:39,261 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 19:43:39,261 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 19:43:39,261 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-04-28 19:43:39,261 INFO L428 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 19:43:39,261 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 19:43:39,262 INFO L82 PathProgramCache]: Analyzing trace with hash -1775803532, now seen corresponding path program 1 times [2021-04-28 19:43:39,262 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 19:43:39,262 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [541960969] [2021-04-28 19:43:39,262 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 19:43:39,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 19:43:39,339 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 19:43:39,340 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 19:43:39,348 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 19:43:39,349 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 19:43:39,360 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 19:43:39,361 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 19:43:39,376 INFO L142 QuantifierPusher]: treesize reduction 11, result has 54.2 percent of original size [2021-04-28 19:43:39,378 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-28 19:43:39,403 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 19:43:39,404 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 19:43:39,405 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 19:43:39,405 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [541960969] [2021-04-28 19:43:39,405 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 19:43:39,405 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-04-28 19:43:39,405 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2019363902] [2021-04-28 19:43:39,406 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-04-28 19:43:39,406 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 19:43:39,406 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-04-28 19:43:39,407 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-04-28 19:43:39,409 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 294 out of 391 [2021-04-28 19:43:39,412 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 78 places, 114 transitions, 836 flow. Second operand has 6 states, 6 states have (on average 294.8333333333333) internal successors, (1769), 6 states have internal predecessors, (1769), 0 states have call successors, (0), 0 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 19:43:39,413 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 19:43:39,413 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 294 of 391 [2021-04-28 19:43:39,413 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 19:43:43,915 INFO L129 PetriNetUnfolder]: 20550/33689 cut-off events. [2021-04-28 19:43:43,915 INFO L130 PetriNetUnfolder]: For 49331/2640050 co-relation queries the response was YES. [2021-04-28 19:43:44,068 INFO L84 FinitePrefix]: Finished finitePrefix Result has 191367 conditions, 33689 events. 20550/33689 cut-off events. For 49331/2640050 co-relation queries the response was YES. Maximal size of possible extension queue 7602. Compared 324638 event pairs, 788 based on Foata normal form. 697/10877 useless extension candidates. Maximal degree in co-relation 191345. Up to 31640 conditions per place. [2021-04-28 19:43:44,207 INFO L132 encePairwiseOnDemand]: 371/391 looper letters, 24 selfloop transitions, 95 changer transitions 12/160 dead transitions. [2021-04-28 19:43:44,207 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 86 places, 160 transitions, 1508 flow [2021-04-28 19:43:44,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-04-28 19:43:44,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-04-28 19:43:44,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 2772 transitions. [2021-04-28 19:43:44,219 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7877237851662404 [2021-04-28 19:43:44,219 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 2772 transitions. [2021-04-28 19:43:44,219 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 2772 transitions. [2021-04-28 19:43:44,222 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 19:43:44,222 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 2772 transitions. [2021-04-28 19:43:44,231 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 308.0) internal successors, (2772), 9 states have internal predecessors, (2772), 0 states have call successors, (0), 0 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 19:43:44,240 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 391.0) internal successors, (3910), 10 states have internal predecessors, (3910), 0 states have call successors, (0), 0 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 19:43:44,242 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 391.0) internal successors, (3910), 10 states have internal predecessors, (3910), 0 states have call successors, (0), 0 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 19:43:44,242 INFO L185 Difference]: Start difference. First operand has 78 places, 114 transitions, 836 flow. Second operand 9 states and 2772 transitions. [2021-04-28 19:43:44,242 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 86 places, 160 transitions, 1508 flow [2021-04-28 19:43:45,360 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 83 places, 160 transitions, 1345 flow, removed 54 selfloop flow, removed 3 redundant places. [2021-04-28 19:43:45,364 INFO L241 Difference]: Finished difference. Result has 86 places, 145 transitions, 1264 flow [2021-04-28 19:43:45,365 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=391, PETRI_DIFFERENCE_MINUEND_FLOW=674, PETRI_DIFFERENCE_MINUEND_PLACES=75, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=114, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=76, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=32, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=1264, PETRI_PLACES=86, PETRI_TRANSITIONS=145} [2021-04-28 19:43:45,365 INFO L343 CegarLoopForPetriNet]: 155 programPoint places, -69 predicate places. [2021-04-28 19:43:45,365 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 19:43:45,365 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 86 places, 145 transitions, 1264 flow [2021-04-28 19:43:45,365 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 86 places, 145 transitions, 1264 flow [2021-04-28 19:43:45,367 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 86 places, 145 transitions, 1264 flow [2021-04-28 19:43:48,254 INFO L129 PetriNetUnfolder]: 14499/25673 cut-off events. [2021-04-28 19:43:48,254 INFO L130 PetriNetUnfolder]: For 331472/799774 co-relation queries the response was YES. [2021-04-28 19:43:48,408 INFO L84 FinitePrefix]: Finished finitePrefix Result has 149936 conditions, 25673 events. 14499/25673 cut-off events. For 331472/799774 co-relation queries the response was YES. Maximal size of possible extension queue 5975. Compared 281998 event pairs, 734 based on Foata normal form. 28/7384 useless extension candidates. Maximal degree in co-relation 149913. Up to 20701 conditions per place. [2021-04-28 19:43:48,645 INFO L146 LiptonReduction]: Number of co-enabled transitions 3850 [2021-04-28 19:43:50,126 INFO L158 LiptonReduction]: Checked pairs total: 3154 [2021-04-28 19:43:50,127 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 19:43:50,127 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 4762 [2021-04-28 19:43:50,128 INFO L480 AbstractCegarLoop]: Abstraction has has 86 places, 145 transitions, 1264 flow [2021-04-28 19:43:50,129 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 294.8333333333333) internal successors, (1769), 6 states have internal predecessors, (1769), 0 states have call successors, (0), 0 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 19:43:50,129 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 19:43:50,129 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] [2021-04-28 19:43:50,129 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-04-28 19:43:50,130 INFO L428 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 19:43:50,130 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 19:43:50,130 INFO L82 PathProgramCache]: Analyzing trace with hash 1333547444, now seen corresponding path program 1 times [2021-04-28 19:43:50,130 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 19:43:50,130 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1325035752] [2021-04-28 19:43:50,130 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 19:43:50,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 19:43:50,198 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 19:43:50,199 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 19:43:50,201 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 19:43:50,202 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 19:43:50,210 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 19:43:50,212 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 19:43:50,222 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 19:43:50,222 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1325035752] [2021-04-28 19:43:50,223 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 19:43:50,223 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-04-28 19:43:50,223 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1754141092] [2021-04-28 19:43:50,223 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-04-28 19:43:50,223 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 19:43:50,224 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-04-28 19:43:50,224 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-04-28 19:43:50,226 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 269 out of 391 [2021-04-28 19:43:50,228 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 86 places, 145 transitions, 1264 flow. Second operand has 4 states, 4 states have (on average 270.0) internal successors, (1080), 4 states have internal predecessors, (1080), 0 states have call successors, (0), 0 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 19:43:50,228 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 19:43:50,228 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 269 of 391 [2021-04-28 19:43:50,228 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 19:43:56,233 INFO L129 PetriNetUnfolder]: 28961/51265 cut-off events. [2021-04-28 19:43:56,233 INFO L130 PetriNetUnfolder]: For 722038/1729067 co-relation queries the response was YES. [2021-04-28 19:43:56,513 INFO L84 FinitePrefix]: Finished finitePrefix Result has 299777 conditions, 51265 events. 28961/51265 cut-off events. For 722038/1729067 co-relation queries the response was YES. Maximal size of possible extension queue 10773. Compared 578641 event pairs, 1440 based on Foata normal form. 325/14469 useless extension candidates. Maximal degree in co-relation 299752. Up to 41635 conditions per place. [2021-04-28 19:43:56,952 INFO L132 encePairwiseOnDemand]: 388/391 looper letters, 4 selfloop transitions, 2 changer transitions 0/147 dead transitions. [2021-04-28 19:43:56,953 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 89 places, 147 transitions, 1288 flow [2021-04-28 19:43:56,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-04-28 19:43:56,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-04-28 19:43:56,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 1083 transitions. [2021-04-28 19:43:56,958 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6924552429667519 [2021-04-28 19:43:56,958 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 1083 transitions. [2021-04-28 19:43:56,958 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 1083 transitions. [2021-04-28 19:43:56,959 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 19:43:56,959 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 1083 transitions. [2021-04-28 19:43:56,963 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 270.75) internal successors, (1083), 4 states have internal predecessors, (1083), 0 states have call successors, (0), 0 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 19:43:56,966 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 391.0) internal successors, (1955), 5 states have internal predecessors, (1955), 0 states have call successors, (0), 0 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 19:43:56,967 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 391.0) internal successors, (1955), 5 states have internal predecessors, (1955), 0 states have call successors, (0), 0 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 19:43:56,967 INFO L185 Difference]: Start difference. First operand has 86 places, 145 transitions, 1264 flow. Second operand 4 states and 1083 transitions. [2021-04-28 19:43:56,967 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 89 places, 147 transitions, 1288 flow [2021-04-28 19:45:29,709 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 84 places, 147 transitions, 956 flow, removed 108 selfloop flow, removed 5 redundant places. [2021-04-28 19:45:29,711 INFO L241 Difference]: Finished difference. Result has 86 places, 146 transitions, 945 flow [2021-04-28 19:45:29,712 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=391, PETRI_DIFFERENCE_MINUEND_FLOW=932, PETRI_DIFFERENCE_MINUEND_PLACES=81, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=145, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=143, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=945, PETRI_PLACES=86, PETRI_TRANSITIONS=146} [2021-04-28 19:45:29,712 INFO L343 CegarLoopForPetriNet]: 155 programPoint places, -69 predicate places. [2021-04-28 19:45:29,712 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 19:45:29,713 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 86 places, 146 transitions, 945 flow [2021-04-28 19:45:29,713 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 86 places, 146 transitions, 945 flow [2021-04-28 19:45:29,714 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 86 places, 146 transitions, 945 flow [2021-04-28 19:45:34,387 INFO L129 PetriNetUnfolder]: 28934/51211 cut-off events. [2021-04-28 19:45:34,387 INFO L130 PetriNetUnfolder]: For 60847/85998 co-relation queries the response was YES. [2021-04-28 19:45:34,654 INFO L84 FinitePrefix]: Finished finitePrefix Result has 189909 conditions, 51211 events. 28934/51211 cut-off events. For 60847/85998 co-relation queries the response was YES. Maximal size of possible extension queue 11375. Compared 594433 event pairs, 1386 based on Foata normal form. 28/14123 useless extension candidates. Maximal degree in co-relation 189885. Up to 25219 conditions per place. [2021-04-28 19:45:35,306 INFO L146 LiptonReduction]: Number of co-enabled transitions 3960 [2021-04-28 19:47:17,744 INFO L158 LiptonReduction]: Checked pairs total: 2848 [2021-04-28 19:47:17,744 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 19:47:17,744 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 108032 [2021-04-28 19:47:17,746 INFO L480 AbstractCegarLoop]: Abstraction has has 86 places, 146 transitions, 945 flow [2021-04-28 19:47:17,747 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 270.0) internal successors, (1080), 4 states have internal predecessors, (1080), 0 states have call successors, (0), 0 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 19:47:17,747 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 19:47:17,747 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] [2021-04-28 19:47:17,748 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-04-28 19:47:17,748 INFO L428 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 19:47:17,748 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 19:47:17,748 INFO L82 PathProgramCache]: Analyzing trace with hash 37775167, now seen corresponding path program 1 times [2021-04-28 19:47:17,749 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 19:47:17,749 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [228769952] [2021-04-28 19:47:17,749 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 19:47:17,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 19:47:17,848 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 19:47:17,850 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 19:47:17,858 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 19:47:17,859 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 19:47:17,871 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 19:47:17,872 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 19:47:17,887 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 19:47:17,888 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 19:47:17,907 INFO L142 QuantifierPusher]: treesize reduction 11, result has 54.2 percent of original size [2021-04-28 19:47:17,910 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-28 19:47:17,942 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 19:47:17,944 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 19:47:17,944 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 19:47:17,945 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [228769952] [2021-04-28 19:47:17,945 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 19:47:17,945 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-04-28 19:47:17,945 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [557378354] [2021-04-28 19:47:17,945 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-04-28 19:47:17,946 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 19:47:17,946 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-04-28 19:47:17,946 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-04-28 19:47:17,950 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 294 out of 391 [2021-04-28 19:47:17,953 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 86 places, 146 transitions, 945 flow. Second operand has 7 states, 7 states have (on average 294.85714285714283) internal successors, (2064), 7 states have internal predecessors, (2064), 0 states have call successors, (0), 0 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 19:47:17,953 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 19:47:17,953 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 294 of 391 [2021-04-28 19:47:17,954 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 19:47:25,408 INFO L129 PetriNetUnfolder]: 29195/52219 cut-off events. [2021-04-28 19:47:25,409 INFO L130 PetriNetUnfolder]: For 63115/1031950 co-relation queries the response was YES. [2021-04-28 19:47:25,699 INFO L84 FinitePrefix]: Finished finitePrefix Result has 237763 conditions, 52219 events. 29195/52219 cut-off events. For 63115/1031950 co-relation queries the response was YES. Maximal size of possible extension queue 11202. Compared 595535 event pairs, 9 based on Foata normal form. 949/15458 useless extension candidates. Maximal degree in co-relation 237737. Up to 27648 conditions per place. [2021-04-28 19:47:25,915 INFO L132 encePairwiseOnDemand]: 371/391 looper letters, 6 selfloop transitions, 113 changer transitions 20/169 dead transitions. [2021-04-28 19:47:25,915 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 96 places, 169 transitions, 1432 flow [2021-04-28 19:47:25,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-04-28 19:47:25,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-04-28 19:47:25,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 3366 transitions. [2021-04-28 19:47:25,931 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.782608695652174 [2021-04-28 19:47:25,931 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 3366 transitions. [2021-04-28 19:47:25,931 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 3366 transitions. [2021-04-28 19:47:25,935 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 19:47:25,935 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 3366 transitions. [2021-04-28 19:47:25,945 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 306.0) internal successors, (3366), 11 states have internal predecessors, (3366), 0 states have call successors, (0), 0 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 19:47:25,954 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 391.0) internal successors, (4692), 12 states have internal predecessors, (4692), 0 states have call successors, (0), 0 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 19:47:25,956 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 391.0) internal successors, (4692), 12 states have internal predecessors, (4692), 0 states have call successors, (0), 0 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 19:47:25,956 INFO L185 Difference]: Start difference. First operand has 86 places, 146 transitions, 945 flow. Second operand 11 states and 3366 transitions. [2021-04-28 19:47:25,956 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 96 places, 169 transitions, 1432 flow [2021-04-28 19:48:22,943 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 93 places, 169 transitions, 1419 flow, removed 4 selfloop flow, removed 3 redundant places. [2021-04-28 19:48:22,947 INFO L241 Difference]: Finished difference. Result has 96 places, 146 transitions, 1214 flow [2021-04-28 19:48:22,947 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=391, PETRI_DIFFERENCE_MINUEND_FLOW=932, PETRI_DIFFERENCE_MINUEND_PLACES=83, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=146, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=112, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=33, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=1214, PETRI_PLACES=96, PETRI_TRANSITIONS=146} [2021-04-28 19:48:22,947 INFO L343 CegarLoopForPetriNet]: 155 programPoint places, -59 predicate places. [2021-04-28 19:48:22,947 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 19:48:22,947 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 96 places, 146 transitions, 1214 flow [2021-04-28 19:48:22,948 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 96 places, 146 transitions, 1214 flow [2021-04-28 19:48:22,949 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 94 places, 146 transitions, 1214 flow [2021-04-28 19:48:26,504 INFO L129 PetriNetUnfolder]: 23561/43462 cut-off events. [2021-04-28 19:48:26,505 INFO L130 PetriNetUnfolder]: For 71760/561713 co-relation queries the response was YES. [2021-04-28 19:48:26,834 INFO L84 FinitePrefix]: Finished finitePrefix Result has 193527 conditions, 43462 events. 23561/43462 cut-off events. For 71760/561713 co-relation queries the response was YES. Maximal size of possible extension queue 10561. Compared 527512 event pairs, 9 based on Foata normal form. 1/11358 useless extension candidates. Maximal degree in co-relation 193501. Up to 27648 conditions per place. [2021-04-28 19:48:27,991 INFO L146 LiptonReduction]: Number of co-enabled transitions 3860 [2021-04-28 19:49:09,269 INFO L158 LiptonReduction]: Checked pairs total: 2964 [2021-04-28 19:49:09,269 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 19:49:09,269 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 46322 [2021-04-28 19:49:09,271 INFO L480 AbstractCegarLoop]: Abstraction has has 94 places, 146 transitions, 1214 flow [2021-04-28 19:49:09,271 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 294.85714285714283) internal successors, (2064), 7 states have internal predecessors, (2064), 0 states have call successors, (0), 0 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 19:49:09,271 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 19:49:09,272 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 19:49:09,272 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-04-28 19:49:09,272 INFO L428 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 19:49:09,272 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 19:49:09,272 INFO L82 PathProgramCache]: Analyzing trace with hash 472001768, now seen corresponding path program 1 times [2021-04-28 19:49:09,272 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 19:49:09,273 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1321121105] [2021-04-28 19:49:09,273 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 19:49:09,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 19:49:09,340 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 19:49:09,342 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 19:49:09,343 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 19:49:09,344 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 19:49:09,353 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 19:49:09,354 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 19:49:09,363 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 19:49:09,364 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1321121105] [2021-04-28 19:49:09,364 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 19:49:09,364 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-04-28 19:49:09,364 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1531523542] [2021-04-28 19:49:09,365 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-04-28 19:49:09,365 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 19:49:09,365 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-04-28 19:49:09,365 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-04-28 19:49:09,367 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 264 out of 391 [2021-04-28 19:49:09,368 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 94 places, 146 transitions, 1214 flow. Second operand has 4 states, 4 states have (on average 265.0) internal successors, (1060), 4 states have internal predecessors, (1060), 0 states have call successors, (0), 0 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 19:49:09,369 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 19:49:09,369 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 264 of 391 [2021-04-28 19:49:09,369 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 19:49:19,436 INFO L129 PetriNetUnfolder]: 46831/85901 cut-off events. [2021-04-28 19:49:19,436 INFO L130 PetriNetUnfolder]: For 229323/1422020 co-relation queries the response was YES. [2021-04-28 19:49:20,140 INFO L84 FinitePrefix]: Finished finitePrefix Result has 382620 conditions, 85901 events. 46831/85901 cut-off events. For 229323/1422020 co-relation queries the response was YES. Maximal size of possible extension queue 21456. Compared 1073424 event pairs, 17 based on Foata normal form. 82/21771 useless extension candidates. Maximal degree in co-relation 382592. Up to 55296 conditions per place. [2021-04-28 19:49:20,476 INFO L132 encePairwiseOnDemand]: 388/391 looper letters, 3 selfloop transitions, 2 changer transitions 0/147 dead transitions. [2021-04-28 19:49:20,477 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 97 places, 147 transitions, 1226 flow [2021-04-28 19:49:20,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-04-28 19:49:20,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-04-28 19:49:20,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 1062 transitions. [2021-04-28 19:49:20,483 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6790281329923273 [2021-04-28 19:49:20,483 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 1062 transitions. [2021-04-28 19:49:20,483 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 1062 transitions. [2021-04-28 19:49:20,484 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 19:49:20,484 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 1062 transitions. [2021-04-28 19:49:20,487 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 265.5) internal successors, (1062), 4 states have internal predecessors, (1062), 0 states have call successors, (0), 0 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 19:49:20,490 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 391.0) internal successors, (1955), 5 states have internal predecessors, (1955), 0 states have call successors, (0), 0 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 19:49:20,491 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 391.0) internal successors, (1955), 5 states have internal predecessors, (1955), 0 states have call successors, (0), 0 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 19:49:20,491 INFO L185 Difference]: Start difference. First operand has 94 places, 146 transitions, 1214 flow. Second operand 4 states and 1062 transitions. [2021-04-28 19:49:20,491 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 97 places, 147 transitions, 1226 flow Received shutdown request... Cannot interrupt operation gracefully because timeout expired. Forcing shutdown