/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/mix007_rmo.oepc.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-6f4246e9f5583d222ebb38ff8175c901f3a528f0-6f4246e [2021-04-28 17:08:04,633 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-04-28 17:08:04,636 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-04-28 17:08:04,670 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-04-28 17:08:04,671 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-04-28 17:08:04,672 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-04-28 17:08:04,674 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-04-28 17:08:04,678 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-04-28 17:08:04,680 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-04-28 17:08:04,681 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-04-28 17:08:04,682 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-04-28 17:08:04,684 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-04-28 17:08:04,684 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-04-28 17:08:04,686 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-04-28 17:08:04,687 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-04-28 17:08:04,689 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-04-28 17:08:04,690 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-04-28 17:08:04,691 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-04-28 17:08:04,693 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-04-28 17:08:04,695 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-04-28 17:08:04,697 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-04-28 17:08:04,699 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-04-28 17:08:04,700 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-04-28 17:08:04,701 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-04-28 17:08:04,705 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-04-28 17:08:04,709 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-04-28 17:08:04,710 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-04-28 17:08:04,711 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-04-28 17:08:04,712 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-04-28 17:08:04,713 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-04-28 17:08:04,713 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-04-28 17:08:04,714 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-04-28 17:08:04,714 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-04-28 17:08:04,715 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-04-28 17:08:04,716 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-04-28 17:08:04,717 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-04-28 17:08:04,718 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 17:08:04,752 INFO L113 SettingsManager]: Loading preferences was successful [2021-04-28 17:08:04,752 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-04-28 17:08:04,754 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-04-28 17:08:04,754 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-04-28 17:08:04,754 INFO L138 SettingsManager]: * Use SBE=true [2021-04-28 17:08:04,755 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-04-28 17:08:04,755 INFO L138 SettingsManager]: * sizeof long=4 [2021-04-28 17:08:04,755 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-04-28 17:08:04,755 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-04-28 17:08:04,756 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-04-28 17:08:04,756 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-04-28 17:08:04,756 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-04-28 17:08:04,757 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-04-28 17:08:04,757 INFO L138 SettingsManager]: * sizeof long double=12 [2021-04-28 17:08:04,757 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-04-28 17:08:04,757 INFO L138 SettingsManager]: * Use constant arrays=true [2021-04-28 17:08:04,758 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-04-28 17:08:04,758 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-04-28 17:08:04,758 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-04-28 17:08:04,758 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-04-28 17:08:04,759 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-04-28 17:08:04,759 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-04-28 17:08:04,759 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-04-28 17:08:04,759 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-04-28 17:08:04,760 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-04-28 17:08:04,760 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-04-28 17:08:04,760 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-04-28 17:08:04,761 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=SEMANTIC_BASED_MOVER_CHECK_WITH_PREDICATES [2021-04-28 17:08:04,761 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-04-28 17:08:04,761 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-04-28 17:08:04,761 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-04-28 17:08:05,116 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-04-28 17:08:05,164 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-04-28 17:08:05,167 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-04-28 17:08:05,169 INFO L271 PluginConnector]: Initializing CDTParser... [2021-04-28 17:08:05,170 INFO L275 PluginConnector]: CDTParser initialized [2021-04-28 17:08:05,172 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/mix007_rmo.oepc.i [2021-04-28 17:08:05,265 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b3c6fe916/91511691b8c3471ca805208c31391bff/FLAGcbbd6e7c4 [2021-04-28 17:08:06,035 INFO L306 CDTParser]: Found 1 translation units. [2021-04-28 17:08:06,035 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix007_rmo.oepc.i [2021-04-28 17:08:06,061 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b3c6fe916/91511691b8c3471ca805208c31391bff/FLAGcbbd6e7c4 [2021-04-28 17:08:06,262 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b3c6fe916/91511691b8c3471ca805208c31391bff [2021-04-28 17:08:06,265 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-04-28 17:08:06,303 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-04-28 17:08:06,308 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-04-28 17:08:06,308 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-04-28 17:08:06,312 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-04-28 17:08:06,313 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.04 05:08:06" (1/1) ... [2021-04-28 17:08:06,315 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@12ff61f3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 05:08:06, skipping insertion in model container [2021-04-28 17:08:06,315 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.04 05:08:06" (1/1) ... [2021-04-28 17:08:06,323 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-04-28 17:08:06,397 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-04-28 17:08:06,559 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/mix007_rmo.oepc.i[949,962] [2021-04-28 17:08:06,876 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-04-28 17:08:06,886 INFO L203 MainTranslator]: Completed pre-run [2021-04-28 17:08:06,905 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/mix007_rmo.oepc.i[949,962] [2021-04-28 17:08:06,996 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-04-28 17:08:07,147 INFO L208 MainTranslator]: Completed translation [2021-04-28 17:08:07,147 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 05:08:07 WrapperNode [2021-04-28 17:08:07,147 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-04-28 17:08:07,149 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-04-28 17:08:07,149 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-04-28 17:08:07,149 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-04-28 17:08:07,157 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 05:08:07" (1/1) ... [2021-04-28 17:08:07,180 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 05:08:07" (1/1) ... [2021-04-28 17:08:07,212 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-04-28 17:08:07,213 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-04-28 17:08:07,213 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-04-28 17:08:07,214 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-04-28 17:08:07,227 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 05:08:07" (1/1) ... [2021-04-28 17:08:07,227 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 05:08:07" (1/1) ... [2021-04-28 17:08:07,240 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 05:08:07" (1/1) ... [2021-04-28 17:08:07,240 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 05:08:07" (1/1) ... [2021-04-28 17:08:07,271 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 05:08:07" (1/1) ... [2021-04-28 17:08:07,284 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 05:08:07" (1/1) ... [2021-04-28 17:08:07,290 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 05:08:07" (1/1) ... [2021-04-28 17:08:07,300 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-04-28 17:08:07,303 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-04-28 17:08:07,303 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-04-28 17:08:07,304 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-04-28 17:08:07,305 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 05:08:07" (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 17:08:07,429 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-04-28 17:08:07,430 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-04-28 17:08:07,431 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-04-28 17:08:07,431 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-04-28 17:08:07,432 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-04-28 17:08:07,432 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-04-28 17:08:07,433 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-04-28 17:08:07,433 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-04-28 17:08:07,433 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-04-28 17:08:07,434 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-04-28 17:08:07,434 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2021-04-28 17:08:07,434 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2021-04-28 17:08:07,434 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-04-28 17:08:07,434 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-04-28 17:08:07,434 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-04-28 17:08:07,435 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-04-28 17:08:07,438 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 17:08:09,957 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-04-28 17:08:09,957 INFO L299 CfgBuilder]: Removed 10 assume(true) statements. [2021-04-28 17:08:09,960 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.04 05:08:09 BoogieIcfgContainer [2021-04-28 17:08:09,960 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-04-28 17:08:09,962 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-04-28 17:08:09,962 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-04-28 17:08:09,965 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-04-28 17:08:09,966 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.04 05:08:06" (1/3) ... [2021-04-28 17:08:09,967 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f510f7e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.04 05:08:09, skipping insertion in model container [2021-04-28 17:08:09,967 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 05:08:07" (2/3) ... [2021-04-28 17:08:09,967 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f510f7e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.04 05:08:09, skipping insertion in model container [2021-04-28 17:08:09,968 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.04 05:08:09" (3/3) ... [2021-04-28 17:08:09,969 INFO L111 eAbstractionObserver]: Analyzing ICFG mix007_rmo.oepc.i [2021-04-28 17:08:09,977 INFO L149 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-04-28 17:08:09,983 INFO L161 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2021-04-28 17:08:09,984 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-04-28 17:08:10,026 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:08:10,027 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:08:10,027 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:08:10,027 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:08:10,027 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:08:10,027 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:08:10,028 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:08:10,028 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:08:10,028 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:08:10,028 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:08:10,028 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:08:10,029 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:08:10,029 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:08:10,029 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:08:10,029 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:08:10,029 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:08:10,030 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:08:10,030 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:08:10,030 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:08:10,030 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:08:10,030 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:08:10,031 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:08:10,031 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:08:10,031 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:08:10,031 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:08:10,032 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:08:10,032 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:08:10,032 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:08:10,032 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:08:10,032 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:08:10,033 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:08:10,033 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:08:10,033 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:08:10,033 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:08:10,034 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:08:10,034 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:08:10,034 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:08:10,034 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:08:10,034 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:08:10,035 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:08:10,035 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:08:10,035 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:08:10,035 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:08:10,035 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:08:10,035 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:08:10,036 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:08:10,036 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:08:10,036 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:08:10,036 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:08:10,037 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:08:10,037 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:08:10,037 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:08:10,037 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:08:10,037 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:08:10,037 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:08:10,038 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:08:10,038 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:08:10,038 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:08:10,039 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:08:10,039 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:08:10,039 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:08:10,039 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:08:10,040 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:08:10,040 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:08:10,040 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:08:10,040 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:08:10,040 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:08:10,040 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:08:10,041 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:08:10,041 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:08:10,041 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:08:10,041 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:08:10,041 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:08:10,042 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:08:10,042 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:08:10,042 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:08:10,042 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:08:10,043 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:08:10,043 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:08:10,043 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:08:10,043 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:08:10,043 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:08:10,044 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:08:10,044 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:08:10,044 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:08:10,044 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:08:10,045 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:08:10,045 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:08:10,045 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:08:10,045 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:08:10,045 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:08:10,046 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:08:10,046 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:08:10,046 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:08:10,046 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:08:10,046 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:08:10,046 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:08:10,047 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:08:10,047 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:08:10,047 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:08:10,047 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:08:10,047 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:08:10,047 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:08:10,048 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:08:10,048 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:08:10,048 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~nondet23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:08:10,048 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~nondet24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:08:10,048 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:08:10,048 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:08:10,049 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:08:10,049 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:08:10,049 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:08:10,049 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:08:10,049 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:08:10,049 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:08:10,050 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:08:10,050 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:08:10,050 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:08:10,050 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:08:10,050 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~nondet23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:08:10,050 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~nondet24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:08:10,050 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:08:10,051 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:08:10,051 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:08:10,051 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:08:10,051 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:08:10,051 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:08:10,051 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:08:10,051 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:08:10,052 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:08:10,052 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:08:10,052 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:08:10,054 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:08:10,054 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:08:10,054 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:08:10,054 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:08:10,054 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:08:10,055 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:08:10,055 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:08:10,055 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:08:10,055 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:08:10,055 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:08:10,055 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:08:10,055 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~nondet23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:08:10,056 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~nondet24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:08:10,056 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:08:10,056 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:08:10,056 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:08:10,056 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:08:10,056 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:08:10,056 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:08:10,056 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:08:10,057 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:08:10,057 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:08:10,057 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:08:10,057 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:08:10,057 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:08:10,057 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~nondet23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:08:10,057 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~nondet24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:08:10,058 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:08:10,058 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:08:10,058 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:08:10,058 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:08:10,058 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:08:10,058 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:08:10,058 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:08:10,059 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:08:10,059 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:08:10,059 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:08:10,059 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:08:10,061 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:08:10,061 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:08:10,061 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:08:10,061 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:08:10,061 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:08:10,062 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:08:10,062 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:08:10,062 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:08:10,062 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:08:10,063 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:08:10,063 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:08:10,063 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:08:10,063 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:08:10,063 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:08:10,064 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:08:10,064 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:08:10,064 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:08:10,064 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:08:10,066 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:08:10,067 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:08:10,067 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:08:10,067 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:08:10,067 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:08:10,067 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:08:10,068 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:08:10,068 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:08:10,068 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:08:10,068 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:08:10,068 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:08:10,069 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:08:10,069 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:08:10,069 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:08:10,069 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:08:10,069 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:08:10,069 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:08:10,070 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:08:10,070 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:08:10,070 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:08:10,070 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:08:10,070 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:08:10,070 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~nondet24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:08:10,071 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:08:10,071 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:08:10,071 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:08:10,071 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~nondet23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:08:10,071 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:08:10,071 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:08:10,071 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:08:10,072 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:08:10,072 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:08:10,072 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:08:10,074 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:08:10,074 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:08:10,074 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:08:10,074 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:08:10,075 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:08:10,075 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:08:10,075 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:08:10,075 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:08:10,075 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:08:10,076 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:08:10,076 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:08:10,076 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:08:10,080 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:08:10,080 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:08:10,080 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:08:10,081 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:08:10,081 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:08:10,081 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:08:10,081 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:08:10,081 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:08:10,081 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:08:10,082 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:08:10,083 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:08:10,083 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:08:10,083 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:08:10,084 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:08:10,084 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:08:10,084 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:08:10,084 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:08:10,084 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:08:10,084 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:08:10,085 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:08:10,086 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-04-28 17:08:10,110 INFO L253 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2021-04-28 17:08:10,136 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-04-28 17:08:10,136 INFO L377 AbstractCegarLoop]: Hoare is false [2021-04-28 17:08:10,136 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-04-28 17:08:10,136 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-04-28 17:08:10,136 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-04-28 17:08:10,136 INFO L381 AbstractCegarLoop]: Difference is false [2021-04-28 17:08:10,137 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-04-28 17:08:10,137 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-04-28 17:08:10,152 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 131 places, 120 transitions, 260 flow [2021-04-28 17:08:10,208 INFO L129 PetriNetUnfolder]: 2/116 cut-off events. [2021-04-28 17:08:10,208 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 17:08:10,214 INFO L84 FinitePrefix]: Finished finitePrefix Result has 129 conditions, 116 events. 2/116 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 93 event pairs, 0 based on Foata normal form. 0/112 useless extension candidates. Maximal degree in co-relation 78. Up to 2 conditions per place. [2021-04-28 17:08:10,215 INFO L82 GeneralOperation]: Start removeDead. Operand has 131 places, 120 transitions, 260 flow [2021-04-28 17:08:10,221 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 127 places, 116 transitions, 244 flow [2021-04-28 17:08:10,223 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 17:08:10,240 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 127 places, 116 transitions, 244 flow [2021-04-28 17:08:10,244 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 127 places, 116 transitions, 244 flow [2021-04-28 17:08:10,247 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 127 places, 116 transitions, 244 flow [2021-04-28 17:08:10,278 INFO L129 PetriNetUnfolder]: 2/116 cut-off events. [2021-04-28 17:08:10,278 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 17:08:10,279 INFO L84 FinitePrefix]: Finished finitePrefix Result has 129 conditions, 116 events. 2/116 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 96 event pairs, 0 based on Foata normal form. 0/112 useless extension candidates. Maximal degree in co-relation 78. Up to 2 conditions per place. [2021-04-28 17:08:10,286 INFO L146 LiptonReduction]: Number of co-enabled transitions 2886 [2021-04-28 17:08:13,495 WARN L205 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 60 [2021-04-28 17:08:13,971 WARN L205 SmtUtils]: Spent 384.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 83 [2021-04-28 17:08:14,127 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2021-04-28 17:08:15,067 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 45 [2021-04-28 17:08:26,685 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2021-04-28 17:08:28,879 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-04-28 17:08:30,342 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2021-04-28 17:08:30,456 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2021-04-28 17:08:30,945 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2021-04-28 17:08:33,349 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2021-04-28 17:08:33,473 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2021-04-28 17:08:33,593 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2021-04-28 17:08:33,715 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2021-04-28 17:08:33,838 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 17:08:33,973 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 17:08:34,102 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 17:08:34,227 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 17:08:34,340 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 17:08:34,452 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 17:08:34,568 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 17:08:34,678 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 17:08:34,816 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2021-04-28 17:08:34,954 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2021-04-28 17:08:35,093 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2021-04-28 17:08:35,229 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2021-04-28 17:08:35,349 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-28 17:08:35,474 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-28 17:08:35,594 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-28 17:08:35,717 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-28 17:08:35,868 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 17:08:35,980 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 17:08:36,094 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 17:08:36,208 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 17:08:36,506 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-28 17:08:36,741 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2021-04-28 17:08:36,883 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2021-04-28 17:08:37,025 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2021-04-28 17:08:37,163 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2021-04-28 17:08:37,295 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 17:08:37,423 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 17:08:37,557 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 17:08:37,689 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 17:08:38,191 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 17:08:38,306 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 17:08:38,419 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 17:08:38,568 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 17:08:38,714 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2021-04-28 17:08:38,860 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2021-04-28 17:08:39,005 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2021-04-28 17:08:39,150 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2021-04-28 17:08:39,269 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 17:08:39,392 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 17:08:39,518 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 17:08:39,643 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 17:08:39,849 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-28 17:08:39,954 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-28 17:08:40,061 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-28 17:08:40,198 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 17:08:40,325 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 17:08:40,455 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 17:08:40,580 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 17:08:40,698 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 17:08:40,814 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 17:08:40,932 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 17:08:41,054 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 17:08:41,608 WARN L205 SmtUtils]: Spent 494.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 126 [2021-04-28 17:08:41,843 WARN L205 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 122 [2021-04-28 17:08:42,294 WARN L205 SmtUtils]: Spent 450.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 126 [2021-04-28 17:08:42,491 WARN L205 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 122 [2021-04-28 17:08:42,649 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2021-04-28 17:08:42,809 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2021-04-28 17:08:42,973 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2021-04-28 17:08:43,134 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2021-04-28 17:08:43,246 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 17:08:43,362 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 17:08:43,473 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 17:08:43,591 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 17:08:43,745 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-04-28 17:08:43,897 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-04-28 17:08:44,053 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-04-28 17:08:44,216 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-04-28 17:08:44,651 WARN L205 SmtUtils]: Spent 433.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 121 [2021-04-28 17:08:44,842 WARN L205 SmtUtils]: Spent 189.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2021-04-28 17:08:45,253 WARN L205 SmtUtils]: Spent 409.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 121 [2021-04-28 17:08:45,448 WARN L205 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2021-04-28 17:08:46,000 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2021-04-28 17:08:46,162 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2021-04-28 17:08:46,324 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2021-04-28 17:08:46,479 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2021-04-28 17:08:46,632 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2021-04-28 17:08:46,785 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2021-04-28 17:08:46,940 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2021-04-28 17:08:47,101 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2021-04-28 17:08:47,263 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2021-04-28 17:08:47,433 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2021-04-28 17:08:47,593 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2021-04-28 17:08:47,760 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2021-04-28 17:08:47,915 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2021-04-28 17:08:48,067 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2021-04-28 17:08:48,232 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2021-04-28 17:08:48,399 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2021-04-28 17:08:48,547 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2021-04-28 17:08:48,694 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2021-04-28 17:08:48,845 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2021-04-28 17:08:48,993 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2021-04-28 17:08:49,162 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2021-04-28 17:08:49,328 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2021-04-28 17:08:49,490 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2021-04-28 17:08:49,651 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2021-04-28 17:08:49,717 INFO L158 LiptonReduction]: Checked pairs total: 29318 [2021-04-28 17:08:49,717 INFO L160 LiptonReduction]: Total number of compositions: 286 [2021-04-28 17:08:49,723 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 39501 [2021-04-28 17:08:49,746 INFO L129 PetriNetUnfolder]: 0/64 cut-off events. [2021-04-28 17:08:49,746 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 17:08:49,747 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 17:08:49,748 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1] [2021-04-28 17:08:49,748 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr3INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 17:08:49,754 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 17:08:49,754 INFO L82 PathProgramCache]: Analyzing trace with hash 1392239, now seen corresponding path program 1 times [2021-04-28 17:08:49,764 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 17:08:49,765 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1797285348] [2021-04-28 17:08:49,765 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 17:08:49,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 17:08:49,996 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 17:08:49,997 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 17:08:50,004 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 17:08:50,005 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1797285348] [2021-04-28 17:08:50,006 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 17:08:50,006 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-04-28 17:08:50,007 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [674897329] [2021-04-28 17:08:50,016 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-04-28 17:08:50,016 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 17:08:50,031 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-04-28 17:08:50,033 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-04-28 17:08:50,037 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 305 out of 406 [2021-04-28 17:08:50,042 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 155 places, 143 transitions, 298 flow. Second operand has 3 states, 3 states have (on average 305.6666666666667) internal successors, (917), 3 states have internal predecessors, (917), 0 states have call successors, (0), 0 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 17:08:50,043 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 17:08:50,043 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 305 of 406 [2021-04-28 17:08:50,044 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 17:08:50,299 INFO L129 PetriNetUnfolder]: 133/686 cut-off events. [2021-04-28 17:08:50,299 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 17:08:50,304 INFO L84 FinitePrefix]: Finished finitePrefix Result has 922 conditions, 686 events. 133/686 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 97. Compared 5596 event pairs, 110 based on Foata normal form. 69/349 useless extension candidates. Maximal degree in co-relation 836. Up to 153 conditions per place. [2021-04-28 17:08:50,311 INFO L132 encePairwiseOnDemand]: 383/406 looper letters, 11 selfloop transitions, 2 changer transitions 60/144 dead transitions. [2021-04-28 17:08:50,311 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 154 places, 144 transitions, 360 flow [2021-04-28 17:08:50,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-28 17:08:50,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-04-28 17:08:50,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 952 transitions. [2021-04-28 17:08:50,332 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7816091954022989 [2021-04-28 17:08:50,332 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 952 transitions. [2021-04-28 17:08:50,333 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 952 transitions. [2021-04-28 17:08:50,337 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 17:08:50,340 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 952 transitions. [2021-04-28 17:08:50,346 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 317.3333333333333) internal successors, (952), 3 states have internal predecessors, (952), 0 states have call successors, (0), 0 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 17:08:50,356 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 406.0) internal successors, (1624), 4 states have internal predecessors, (1624), 0 states have call successors, (0), 0 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 17:08:50,358 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 406.0) internal successors, (1624), 4 states have internal predecessors, (1624), 0 states have call successors, (0), 0 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 17:08:50,360 INFO L185 Difference]: Start difference. First operand has 155 places, 143 transitions, 298 flow. Second operand 3 states and 952 transitions. [2021-04-28 17:08:50,361 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 154 places, 144 transitions, 360 flow [2021-04-28 17:08:50,365 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 150 places, 144 transitions, 356 flow, removed 0 selfloop flow, removed 4 redundant places. [2021-04-28 17:08:50,369 INFO L241 Difference]: Finished difference. Result has 150 places, 79 transitions, 170 flow [2021-04-28 17:08:50,371 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=406, 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=170, PETRI_PLACES=150, PETRI_TRANSITIONS=79} [2021-04-28 17:08:50,372 INFO L343 CegarLoopForPetriNet]: 155 programPoint places, -5 predicate places. [2021-04-28 17:08:50,372 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 17:08:50,373 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 150 places, 79 transitions, 170 flow [2021-04-28 17:08:50,373 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 150 places, 79 transitions, 170 flow [2021-04-28 17:08:50,374 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 90 places, 79 transitions, 170 flow [2021-04-28 17:08:50,386 INFO L129 PetriNetUnfolder]: 0/79 cut-off events. [2021-04-28 17:08:50,386 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 17:08:50,386 INFO L84 FinitePrefix]: Finished finitePrefix Result has 91 conditions, 79 events. 0/79 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 30. Compared 391 event pairs, 0 based on Foata normal form. 0/30 useless extension candidates. Maximal degree in co-relation 0. Up to 2 conditions per place. [2021-04-28 17:08:50,389 INFO L146 LiptonReduction]: Number of co-enabled transitions 3210 [2021-04-28 17:08:51,274 INFO L158 LiptonReduction]: Checked pairs total: 4324 [2021-04-28 17:08:51,274 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 17:08:51,274 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 902 [2021-04-28 17:08:51,277 INFO L480 AbstractCegarLoop]: Abstraction has has 90 places, 79 transitions, 170 flow [2021-04-28 17:08:51,278 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 305.6666666666667) internal successors, (917), 3 states have internal predecessors, (917), 0 states have call successors, (0), 0 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 17:08:51,278 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 17:08:51,278 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 17:08:51,278 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-04-28 17:08:51,278 INFO L428 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr3INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 17:08:51,279 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 17:08:51,279 INFO L82 PathProgramCache]: Analyzing trace with hash 1644520042, now seen corresponding path program 1 times [2021-04-28 17:08:51,279 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 17:08:51,279 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [180813641] [2021-04-28 17:08:51,280 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 17:08:51,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 17:08:51,467 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-04-28 17:08:51,468 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-28 17:08:51,478 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 17:08:51,479 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [180813641] [2021-04-28 17:08:51,479 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 17:08:51,479 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-04-28 17:08:51,479 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [944026497] [2021-04-28 17:08:51,481 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-04-28 17:08:51,481 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 17:08:51,481 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-04-28 17:08:51,482 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-04-28 17:08:51,484 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 234 out of 406 [2021-04-28 17:08:51,485 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 90 places, 79 transitions, 170 flow. Second operand has 3 states, 3 states have (on average 234.66666666666666) internal successors, (704), 3 states have internal predecessors, (704), 0 states have call successors, (0), 0 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 17:08:51,485 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 17:08:51,486 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 234 of 406 [2021-04-28 17:08:51,486 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 17:08:53,477 INFO L129 PetriNetUnfolder]: 4649/11373 cut-off events. [2021-04-28 17:08:53,477 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 17:08:53,528 INFO L84 FinitePrefix]: Finished finitePrefix Result has 18222 conditions, 11373 events. 4649/11373 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 1501. Compared 134499 event pairs, 1519 based on Foata normal form. 0/7383 useless extension candidates. Maximal degree in co-relation 18213. Up to 4788 conditions per place. [2021-04-28 17:08:53,544 INFO L132 encePairwiseOnDemand]: 383/406 looper letters, 8 selfloop transitions, 8 changer transitions 50/109 dead transitions. [2021-04-28 17:08:53,544 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 92 places, 109 transitions, 358 flow [2021-04-28 17:08:53,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-28 17:08:53,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-04-28 17:08:53,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 763 transitions. [2021-04-28 17:08:53,551 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6264367816091954 [2021-04-28 17:08:53,551 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 763 transitions. [2021-04-28 17:08:53,551 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 763 transitions. [2021-04-28 17:08:53,552 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 17:08:53,552 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 763 transitions. [2021-04-28 17:08:53,555 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 254.33333333333334) internal successors, (763), 3 states have internal predecessors, (763), 0 states have call successors, (0), 0 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 17:08:53,559 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 406.0) internal successors, (1624), 4 states have internal predecessors, (1624), 0 states have call successors, (0), 0 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 17:08:53,560 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 406.0) internal successors, (1624), 4 states have internal predecessors, (1624), 0 states have call successors, (0), 0 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 17:08:53,560 INFO L185 Difference]: Start difference. First operand has 90 places, 79 transitions, 170 flow. Second operand 3 states and 763 transitions. [2021-04-28 17:08:53,560 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 92 places, 109 transitions, 358 flow [2021-04-28 17:08:53,564 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 90 places, 109 transitions, 354 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-04-28 17:08:53,567 INFO L241 Difference]: Finished difference. Result has 92 places, 59 transitions, 174 flow [2021-04-28 17:08:53,568 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=406, PETRI_DIFFERENCE_MINUEND_FLOW=166, PETRI_DIFFERENCE_MINUEND_PLACES=88, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=79, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=71, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=174, PETRI_PLACES=92, PETRI_TRANSITIONS=59} [2021-04-28 17:08:53,569 INFO L343 CegarLoopForPetriNet]: 155 programPoint places, -63 predicate places. [2021-04-28 17:08:53,569 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 17:08:53,569 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 92 places, 59 transitions, 174 flow [2021-04-28 17:08:53,570 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 92 places, 59 transitions, 174 flow [2021-04-28 17:08:53,570 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 65 places, 59 transitions, 174 flow [2021-04-28 17:08:53,676 INFO L129 PetriNetUnfolder]: 218/757 cut-off events. [2021-04-28 17:08:53,677 INFO L130 PetriNetUnfolder]: For 51/54 co-relation queries the response was YES. [2021-04-28 17:08:53,681 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1265 conditions, 757 events. 218/757 cut-off events. For 51/54 co-relation queries the response was YES. Maximal size of possible extension queue 90. Compared 6009 event pairs, 108 based on Foata normal form. 0/544 useless extension candidates. Maximal degree in co-relation 1256. Up to 311 conditions per place. [2021-04-28 17:08:53,698 INFO L146 LiptonReduction]: Number of co-enabled transitions 2012 [2021-04-28 17:08:54,051 INFO L158 LiptonReduction]: Checked pairs total: 1419 [2021-04-28 17:08:54,051 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 17:08:54,051 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 482 [2021-04-28 17:08:54,053 INFO L480 AbstractCegarLoop]: Abstraction has has 65 places, 59 transitions, 174 flow [2021-04-28 17:08:54,054 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 234.66666666666666) internal successors, (704), 3 states have internal predecessors, (704), 0 states have call successors, (0), 0 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 17:08:54,054 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 17:08:54,054 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 17:08:54,054 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-04-28 17:08:54,054 INFO L428 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr3INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 17:08:54,055 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 17:08:54,055 INFO L82 PathProgramCache]: Analyzing trace with hash -971925654, now seen corresponding path program 1 times [2021-04-28 17:08:54,055 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 17:08:54,055 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1418002824] [2021-04-28 17:08:54,056 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 17:08:54,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 17:08:54,150 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 17:08:54,150 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 17:08:54,154 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-04-28 17:08:54,155 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-28 17:08:54,167 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 17:08:54,167 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1418002824] [2021-04-28 17:08:54,167 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 17:08:54,167 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-04-28 17:08:54,168 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1332443008] [2021-04-28 17:08:54,168 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-04-28 17:08:54,168 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 17:08:54,169 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-04-28 17:08:54,169 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-04-28 17:08:54,172 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 234 out of 406 [2021-04-28 17:08:54,173 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 65 places, 59 transitions, 174 flow. Second operand has 4 states, 4 states have (on average 234.75) internal successors, (939), 4 states have internal predecessors, (939), 0 states have call successors, (0), 0 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 17:08:54,173 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 17:08:54,173 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 234 of 406 [2021-04-28 17:08:54,174 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 17:08:54,310 INFO L129 PetriNetUnfolder]: 173/571 cut-off events. [2021-04-28 17:08:54,311 INFO L130 PetriNetUnfolder]: For 78/333 co-relation queries the response was YES. [2021-04-28 17:08:54,314 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1284 conditions, 571 events. 173/571 cut-off events. For 78/333 co-relation queries the response was YES. Maximal size of possible extension queue 69. Compared 3882 event pairs, 19 based on Foata normal form. 6/428 useless extension candidates. Maximal degree in co-relation 1273. Up to 252 conditions per place. [2021-04-28 17:08:54,318 INFO L132 encePairwiseOnDemand]: 397/406 looper letters, 16 selfloop transitions, 9 changer transitions 0/68 dead transitions. [2021-04-28 17:08:54,319 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 68 places, 68 transitions, 270 flow [2021-04-28 17:08:54,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-04-28 17:08:54,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-04-28 17:08:54,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 956 transitions. [2021-04-28 17:08:54,323 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5886699507389163 [2021-04-28 17:08:54,323 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 956 transitions. [2021-04-28 17:08:54,323 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 956 transitions. [2021-04-28 17:08:54,324 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 17:08:54,324 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 956 transitions. [2021-04-28 17:08:54,327 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 239.0) internal successors, (956), 4 states have internal predecessors, (956), 0 states have call successors, (0), 0 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 17:08:54,331 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 406.0) internal successors, (2030), 5 states have internal predecessors, (2030), 0 states have call successors, (0), 0 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 17:08:54,332 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 406.0) internal successors, (2030), 5 states have internal predecessors, (2030), 0 states have call successors, (0), 0 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 17:08:54,333 INFO L185 Difference]: Start difference. First operand has 65 places, 59 transitions, 174 flow. Second operand 4 states and 956 transitions. [2021-04-28 17:08:54,333 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 68 places, 68 transitions, 270 flow [2021-04-28 17:08:54,336 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 66 places, 68 transitions, 244 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-04-28 17:08:54,338 INFO L241 Difference]: Finished difference. Result has 69 places, 64 transitions, 226 flow [2021-04-28 17:08:54,338 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=406, PETRI_DIFFERENCE_MINUEND_FLOW=158, PETRI_DIFFERENCE_MINUEND_PLACES=63, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=59, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=50, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=226, PETRI_PLACES=69, PETRI_TRANSITIONS=64} [2021-04-28 17:08:54,338 INFO L343 CegarLoopForPetriNet]: 155 programPoint places, -86 predicate places. [2021-04-28 17:08:54,338 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 17:08:54,339 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 69 places, 64 transitions, 226 flow [2021-04-28 17:08:54,339 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 69 places, 64 transitions, 226 flow [2021-04-28 17:08:54,339 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 69 places, 64 transitions, 226 flow [2021-04-28 17:08:54,421 INFO L129 PetriNetUnfolder]: 173/603 cut-off events. [2021-04-28 17:08:54,421 INFO L130 PetriNetUnfolder]: For 186/195 co-relation queries the response was YES. [2021-04-28 17:08:54,424 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1183 conditions, 603 events. 173/603 cut-off events. For 186/195 co-relation queries the response was YES. Maximal size of possible extension queue 67. Compared 4291 event pairs, 51 based on Foata normal form. 0/441 useless extension candidates. Maximal degree in co-relation 1171. Up to 252 conditions per place. [2021-04-28 17:08:54,439 INFO L146 LiptonReduction]: Number of co-enabled transitions 2218 [2021-04-28 17:08:54,560 INFO L158 LiptonReduction]: Checked pairs total: 1597 [2021-04-28 17:08:54,561 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 17:08:54,561 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 223 [2021-04-28 17:08:54,562 INFO L480 AbstractCegarLoop]: Abstraction has has 69 places, 64 transitions, 226 flow [2021-04-28 17:08:54,563 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 234.75) internal successors, (939), 4 states have internal predecessors, (939), 0 states have call successors, (0), 0 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 17:08:54,563 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 17:08:54,564 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 17:08:54,564 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-04-28 17:08:54,564 INFO L428 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr3INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 17:08:54,564 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 17:08:54,564 INFO L82 PathProgramCache]: Analyzing trace with hash -164282838, now seen corresponding path program 1 times [2021-04-28 17:08:54,565 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 17:08:54,565 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [735125240] [2021-04-28 17:08:54,565 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 17:08:54,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 17:08:54,628 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 17:08:54,629 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 17:08:54,633 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-04-28 17:08:54,634 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-28 17:08:54,645 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 17:08:54,646 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [735125240] [2021-04-28 17:08:54,646 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 17:08:54,646 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-04-28 17:08:54,646 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1761858452] [2021-04-28 17:08:54,646 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-04-28 17:08:54,647 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 17:08:54,647 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-04-28 17:08:54,647 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-04-28 17:08:54,650 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 234 out of 406 [2021-04-28 17:08:54,651 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 69 places, 64 transitions, 226 flow. Second operand has 4 states, 4 states have (on average 234.75) internal successors, (939), 4 states have internal predecessors, (939), 0 states have call successors, (0), 0 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 17:08:54,652 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 17:08:54,652 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 234 of 406 [2021-04-28 17:08:54,652 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 17:08:54,778 INFO L129 PetriNetUnfolder]: 157/543 cut-off events. [2021-04-28 17:08:54,778 INFO L130 PetriNetUnfolder]: For 257/440 co-relation queries the response was YES. [2021-04-28 17:08:54,781 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1340 conditions, 543 events. 157/543 cut-off events. For 257/440 co-relation queries the response was YES. Maximal size of possible extension queue 71. Compared 3747 event pairs, 46 based on Foata normal form. 8/406 useless extension candidates. Maximal degree in co-relation 1326. Up to 232 conditions per place. [2021-04-28 17:08:54,787 INFO L132 encePairwiseOnDemand]: 397/406 looper letters, 12 selfloop transitions, 18 changer transitions 0/73 dead transitions. [2021-04-28 17:08:54,788 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 72 places, 73 transitions, 340 flow [2021-04-28 17:08:54,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-04-28 17:08:54,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-04-28 17:08:54,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 957 transitions. [2021-04-28 17:08:54,792 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5892857142857143 [2021-04-28 17:08:54,793 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 957 transitions. [2021-04-28 17:08:54,793 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 957 transitions. [2021-04-28 17:08:54,794 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 17:08:54,794 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 957 transitions. [2021-04-28 17:08:54,797 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 239.25) internal successors, (957), 4 states have internal predecessors, (957), 0 states have call successors, (0), 0 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 17:08:54,801 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 406.0) internal successors, (2030), 5 states have internal predecessors, (2030), 0 states have call successors, (0), 0 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 17:08:54,803 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 406.0) internal successors, (2030), 5 states have internal predecessors, (2030), 0 states have call successors, (0), 0 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 17:08:54,803 INFO L185 Difference]: Start difference. First operand has 69 places, 64 transitions, 226 flow. Second operand 4 states and 957 transitions. [2021-04-28 17:08:54,804 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 72 places, 73 transitions, 340 flow [2021-04-28 17:08:54,807 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 71 places, 73 transitions, 335 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-04-28 17:08:54,809 INFO L241 Difference]: Finished difference. Result has 73 places, 70 transitions, 325 flow [2021-04-28 17:08:54,809 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=406, PETRI_DIFFERENCE_MINUEND_FLOW=223, PETRI_DIFFERENCE_MINUEND_PLACES=68, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=64, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=12, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=49, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=325, PETRI_PLACES=73, PETRI_TRANSITIONS=70} [2021-04-28 17:08:54,810 INFO L343 CegarLoopForPetriNet]: 155 programPoint places, -82 predicate places. [2021-04-28 17:08:54,810 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 17:08:54,810 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 73 places, 70 transitions, 325 flow [2021-04-28 17:08:54,810 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 73 places, 70 transitions, 325 flow [2021-04-28 17:08:54,811 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 73 places, 70 transitions, 325 flow [2021-04-28 17:08:54,891 INFO L129 PetriNetUnfolder]: 157/543 cut-off events. [2021-04-28 17:08:54,891 INFO L130 PetriNetUnfolder]: For 436/499 co-relation queries the response was YES. [2021-04-28 17:08:54,895 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1299 conditions, 543 events. 157/543 cut-off events. For 436/499 co-relation queries the response was YES. Maximal size of possible extension queue 64. Compared 3841 event pairs, 71 based on Foata normal form. 2/399 useless extension candidates. Maximal degree in co-relation 1284. Up to 232 conditions per place. [2021-04-28 17:08:54,913 INFO L146 LiptonReduction]: Number of co-enabled transitions 2462 [2021-04-28 17:08:54,941 INFO L158 LiptonReduction]: Checked pairs total: 1852 [2021-04-28 17:08:54,941 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 17:08:54,941 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 131 [2021-04-28 17:08:54,953 INFO L480 AbstractCegarLoop]: Abstraction has has 73 places, 70 transitions, 325 flow [2021-04-28 17:08:54,954 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 234.75) internal successors, (939), 4 states have internal predecessors, (939), 0 states have call successors, (0), 0 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 17:08:54,954 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 17:08:54,954 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 17:08:54,954 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-04-28 17:08:54,954 INFO L428 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr3INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 17:08:54,955 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 17:08:54,955 INFO L82 PathProgramCache]: Analyzing trace with hash -797445636, now seen corresponding path program 1 times [2021-04-28 17:08:54,955 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 17:08:54,955 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1077713924] [2021-04-28 17:08:54,955 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 17:08:55,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 17:08:55,075 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 17:08:55,079 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 17:08:55,083 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-04-28 17:08:55,084 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-28 17:08:55,099 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 17:08:55,100 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1077713924] [2021-04-28 17:08:55,100 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 17:08:55,101 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-04-28 17:08:55,101 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1944595998] [2021-04-28 17:08:55,101 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-04-28 17:08:55,102 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 17:08:55,102 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-04-28 17:08:55,102 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-04-28 17:08:55,105 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 234 out of 406 [2021-04-28 17:08:55,107 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 73 places, 70 transitions, 325 flow. Second operand has 4 states, 4 states have (on average 235.0) internal successors, (940), 4 states have internal predecessors, (940), 0 states have call successors, (0), 0 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 17:08:55,107 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 17:08:55,107 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 234 of 406 [2021-04-28 17:08:55,107 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 17:08:55,221 INFO L129 PetriNetUnfolder]: 125/475 cut-off events. [2021-04-28 17:08:55,221 INFO L130 PetriNetUnfolder]: For 460/720 co-relation queries the response was YES. [2021-04-28 17:08:55,224 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1332 conditions, 475 events. 125/475 cut-off events. For 460/720 co-relation queries the response was YES. Maximal size of possible extension queue 60. Compared 3245 event pairs, 23 based on Foata normal form. 17/358 useless extension candidates. Maximal degree in co-relation 1315. Up to 188 conditions per place. [2021-04-28 17:08:55,229 INFO L132 encePairwiseOnDemand]: 398/406 looper letters, 24 selfloop transitions, 12 changer transitions 0/79 dead transitions. [2021-04-28 17:08:55,229 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 76 places, 79 transitions, 473 flow [2021-04-28 17:08:55,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-04-28 17:08:55,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-04-28 17:08:55,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 954 transitions. [2021-04-28 17:08:55,233 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5874384236453202 [2021-04-28 17:08:55,233 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 954 transitions. [2021-04-28 17:08:55,233 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 954 transitions. [2021-04-28 17:08:55,234 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 17:08:55,234 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 954 transitions. [2021-04-28 17:08:55,237 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 238.5) internal successors, (954), 4 states have internal predecessors, (954), 0 states have call successors, (0), 0 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 17:08:55,241 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 406.0) internal successors, (2030), 5 states have internal predecessors, (2030), 0 states have call successors, (0), 0 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 17:08:55,243 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 406.0) internal successors, (2030), 5 states have internal predecessors, (2030), 0 states have call successors, (0), 0 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 17:08:55,243 INFO L185 Difference]: Start difference. First operand has 73 places, 70 transitions, 325 flow. Second operand 4 states and 954 transitions. [2021-04-28 17:08:55,243 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 76 places, 79 transitions, 473 flow [2021-04-28 17:08:55,249 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 76 places, 79 transitions, 473 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-04-28 17:08:55,251 INFO L241 Difference]: Finished difference. Result has 79 places, 76 transitions, 448 flow [2021-04-28 17:08:55,252 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=406, PETRI_DIFFERENCE_MINUEND_FLOW=325, PETRI_DIFFERENCE_MINUEND_PLACES=73, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=70, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=58, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=448, PETRI_PLACES=79, PETRI_TRANSITIONS=76} [2021-04-28 17:08:55,252 INFO L343 CegarLoopForPetriNet]: 155 programPoint places, -76 predicate places. [2021-04-28 17:08:55,252 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 17:08:55,252 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 79 places, 76 transitions, 448 flow [2021-04-28 17:08:55,262 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 79 places, 76 transitions, 448 flow [2021-04-28 17:08:55,262 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 79 places, 76 transitions, 448 flow [2021-04-28 17:08:55,366 INFO L129 PetriNetUnfolder]: 125/519 cut-off events. [2021-04-28 17:08:55,367 INFO L130 PetriNetUnfolder]: For 673/745 co-relation queries the response was YES. [2021-04-28 17:08:55,370 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1336 conditions, 519 events. 125/519 cut-off events. For 673/745 co-relation queries the response was YES. Maximal size of possible extension queue 60. Compared 3785 event pairs, 52 based on Foata normal form. 2/363 useless extension candidates. Maximal degree in co-relation 1316. Up to 188 conditions per place. [2021-04-28 17:08:55,382 INFO L146 LiptonReduction]: Number of co-enabled transitions 2712 [2021-04-28 17:08:55,495 INFO L158 LiptonReduction]: Checked pairs total: 2206 [2021-04-28 17:08:55,495 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 17:08:55,495 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 243 [2021-04-28 17:08:55,499 INFO L480 AbstractCegarLoop]: Abstraction has has 79 places, 76 transitions, 448 flow [2021-04-28 17:08:55,500 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 235.0) internal successors, (940), 4 states have internal predecessors, (940), 0 states have call successors, (0), 0 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 17:08:55,501 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 17:08:55,501 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 17:08:55,501 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-04-28 17:08:55,501 INFO L428 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr3INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 17:08:55,501 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 17:08:55,501 INFO L82 PathProgramCache]: Analyzing trace with hash 911870717, now seen corresponding path program 1 times [2021-04-28 17:08:55,502 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 17:08:55,502 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [918747459] [2021-04-28 17:08:55,502 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 17:08:55,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 17:08:55,568 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 17:08:55,568 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 17:08:55,573 INFO L142 QuantifierPusher]: treesize reduction 11, result has 54.2 percent of original size [2021-04-28 17:08:55,574 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-28 17:08:55,581 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 17:08:55,581 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 17:08:55,582 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 17:08:55,582 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [918747459] [2021-04-28 17:08:55,582 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 17:08:55,582 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-04-28 17:08:55,582 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1244597960] [2021-04-28 17:08:55,583 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-04-28 17:08:55,583 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 17:08:55,583 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-04-28 17:08:55,583 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-04-28 17:08:55,586 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 310 out of 406 [2021-04-28 17:08:55,588 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 79 places, 76 transitions, 448 flow. Second operand has 4 states, 4 states have (on average 310.75) internal successors, (1243), 4 states have internal predecessors, (1243), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 17:08:55,588 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 17:08:55,588 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 310 of 406 [2021-04-28 17:08:55,588 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 17:09:04,060 INFO L129 PetriNetUnfolder]: 47594/71359 cut-off events. [2021-04-28 17:09:04,061 INFO L130 PetriNetUnfolder]: For 5150/5377 co-relation queries the response was YES. [2021-04-28 17:09:04,584 INFO L84 FinitePrefix]: Finished finitePrefix Result has 145346 conditions, 71359 events. 47594/71359 cut-off events. For 5150/5377 co-relation queries the response was YES. Maximal size of possible extension queue 11538. Compared 685834 event pairs, 24767 based on Foata normal form. 1324/21223 useless extension candidates. Maximal degree in co-relation 145324. Up to 45364 conditions per place. [2021-04-28 17:09:04,893 INFO L132 encePairwiseOnDemand]: 386/406 looper letters, 34 selfloop transitions, 33 changer transitions 0/120 dead transitions. [2021-04-28 17:09:04,893 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 83 places, 120 transitions, 670 flow [2021-04-28 17:09:04,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-04-28 17:09:04,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-04-28 17:09:04,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1616 transitions. [2021-04-28 17:09:04,899 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7960591133004926 [2021-04-28 17:09:04,899 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 1616 transitions. [2021-04-28 17:09:04,899 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 1616 transitions. [2021-04-28 17:09:04,900 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 17:09:04,901 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1616 transitions. [2021-04-28 17:09:04,906 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 323.2) internal successors, (1616), 5 states have internal predecessors, (1616), 0 states have call successors, (0), 0 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 17:09:04,911 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 406.0) internal successors, (2436), 6 states have internal predecessors, (2436), 0 states have call successors, (0), 0 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 17:09:04,912 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 406.0) internal successors, (2436), 6 states have internal predecessors, (2436), 0 states have call successors, (0), 0 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 17:09:04,913 INFO L185 Difference]: Start difference. First operand has 79 places, 76 transitions, 448 flow. Second operand 5 states and 1616 transitions. [2021-04-28 17:09:04,913 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 83 places, 120 transitions, 670 flow [2021-04-28 17:09:04,949 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 82 places, 120 transitions, 664 flow, removed 1 selfloop flow, removed 1 redundant places. [2021-04-28 17:09:04,954 INFO L241 Difference]: Finished difference. Result has 85 places, 107 transitions, 688 flow [2021-04-28 17:09:04,955 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=406, PETRI_DIFFERENCE_MINUEND_FLOW=442, PETRI_DIFFERENCE_MINUEND_PLACES=78, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=76, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=56, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=688, PETRI_PLACES=85, PETRI_TRANSITIONS=107} [2021-04-28 17:09:04,955 INFO L343 CegarLoopForPetriNet]: 155 programPoint places, -70 predicate places. [2021-04-28 17:09:04,955 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 17:09:04,955 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 85 places, 107 transitions, 688 flow [2021-04-28 17:09:04,956 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 85 places, 107 transitions, 688 flow [2021-04-28 17:09:04,957 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 85 places, 107 transitions, 688 flow [2021-04-28 17:09:11,475 INFO L129 PetriNetUnfolder]: 42037/64076 cut-off events. [2021-04-28 17:09:11,476 INFO L130 PetriNetUnfolder]: For 12143/95753 co-relation queries the response was YES. [2021-04-28 17:09:11,778 INFO L84 FinitePrefix]: Finished finitePrefix Result has 183007 conditions, 64076 events. 42037/64076 cut-off events. For 12143/95753 co-relation queries the response was YES. Maximal size of possible extension queue 10536. Compared 617432 event pairs, 23235 based on Foata normal form. 13/18381 useless extension candidates. Maximal degree in co-relation 182983. Up to 60542 conditions per place. [2021-04-28 17:09:12,585 INFO L146 LiptonReduction]: Number of co-enabled transitions 4218 [2021-04-28 17:09:20,908 INFO L158 LiptonReduction]: Checked pairs total: 3966 [2021-04-28 17:09:20,909 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 17:09:20,909 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 15954 [2021-04-28 17:09:20,910 INFO L480 AbstractCegarLoop]: Abstraction has has 85 places, 107 transitions, 688 flow [2021-04-28 17:09:20,911 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 310.75) internal successors, (1243), 4 states have internal predecessors, (1243), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 17:09:20,911 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 17:09:20,911 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 17:09:20,912 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-04-28 17:09:20,912 INFO L428 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr3INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 17:09:20,912 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 17:09:20,912 INFO L82 PathProgramCache]: Analyzing trace with hash 1375705572, now seen corresponding path program 1 times [2021-04-28 17:09:20,912 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 17:09:20,913 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1689792924] [2021-04-28 17:09:20,913 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 17:09:20,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 17:09:20,974 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 17:09:20,975 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 17:09:20,975 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 17:09:20,976 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 17:09:20,979 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-04-28 17:09:20,980 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-28 17:09:20,992 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 17:09:20,992 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1689792924] [2021-04-28 17:09:20,992 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 17:09:20,992 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-04-28 17:09:20,992 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [243306897] [2021-04-28 17:09:20,993 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-04-28 17:09:20,993 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 17:09:20,993 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-04-28 17:09:20,994 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-04-28 17:09:20,996 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 224 out of 406 [2021-04-28 17:09:20,997 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 85 places, 107 transitions, 688 flow. Second operand has 4 states, 4 states have (on average 225.75) internal successors, (903), 4 states have internal predecessors, (903), 0 states have call successors, (0), 0 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 17:09:20,997 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 17:09:20,997 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 224 of 406 [2021-04-28 17:09:20,997 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 17:09:29,228 INFO L129 PetriNetUnfolder]: 54532/82146 cut-off events. [2021-04-28 17:09:29,228 INFO L130 PetriNetUnfolder]: For 22520/307752 co-relation queries the response was YES. [2021-04-28 17:09:29,600 INFO L84 FinitePrefix]: Finished finitePrefix Result has 236333 conditions, 82146 events. 54532/82146 cut-off events. For 22520/307752 co-relation queries the response was YES. Maximal size of possible extension queue 13938. Compared 811188 event pairs, 30600 based on Foata normal form. 469/24205 useless extension candidates. Maximal degree in co-relation 236307. Up to 77288 conditions per place. [2021-04-28 17:09:29,957 INFO L132 encePairwiseOnDemand]: 396/406 looper letters, 18 selfloop transitions, 38 changer transitions 0/129 dead transitions. [2021-04-28 17:09:29,957 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 89 places, 129 transitions, 990 flow [2021-04-28 17:09:29,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-04-28 17:09:29,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-04-28 17:09:29,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1149 transitions. [2021-04-28 17:09:29,962 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5660098522167488 [2021-04-28 17:09:29,962 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 1149 transitions. [2021-04-28 17:09:29,962 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 1149 transitions. [2021-04-28 17:09:29,963 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 17:09:29,963 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1149 transitions. [2021-04-28 17:09:29,966 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 229.8) internal successors, (1149), 5 states have internal predecessors, (1149), 0 states have call successors, (0), 0 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 17:09:29,970 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 406.0) internal successors, (2436), 6 states have internal predecessors, (2436), 0 states have call successors, (0), 0 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 17:09:29,971 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 406.0) internal successors, (2436), 6 states have internal predecessors, (2436), 0 states have call successors, (0), 0 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 17:09:29,972 INFO L185 Difference]: Start difference. First operand has 85 places, 107 transitions, 688 flow. Second operand 5 states and 1149 transitions. [2021-04-28 17:09:29,972 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 89 places, 129 transitions, 990 flow [2021-04-28 17:09:30,116 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 89 places, 129 transitions, 990 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-04-28 17:09:30,119 INFO L241 Difference]: Finished difference. Result has 92 places, 124 transitions, 1002 flow [2021-04-28 17:09:30,119 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=406, PETRI_DIFFERENCE_MINUEND_FLOW=688, PETRI_DIFFERENCE_MINUEND_PLACES=85, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=107, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=22, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=79, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=1002, PETRI_PLACES=92, PETRI_TRANSITIONS=124} [2021-04-28 17:09:30,120 INFO L343 CegarLoopForPetriNet]: 155 programPoint places, -63 predicate places. [2021-04-28 17:09:30,120 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 17:09:30,120 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 92 places, 124 transitions, 1002 flow [2021-04-28 17:09:30,120 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 92 places, 124 transitions, 1002 flow [2021-04-28 17:09:30,121 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 92 places, 124 transitions, 1002 flow [2021-04-28 17:09:38,478 INFO L129 PetriNetUnfolder]: 55346/83501 cut-off events. [2021-04-28 17:09:38,479 INFO L130 PetriNetUnfolder]: For 18117/177383 co-relation queries the response was YES. [2021-04-28 17:09:38,865 INFO L84 FinitePrefix]: Finished finitePrefix Result has 239757 conditions, 83501 events. 55346/83501 cut-off events. For 18117/177383 co-relation queries the response was YES. Maximal size of possible extension queue 14765. Compared 823844 event pairs, 31100 based on Foata normal form. 16/23492 useless extension candidates. Maximal degree in co-relation 239728. Up to 79085 conditions per place. [2021-04-28 17:09:39,569 INFO L146 LiptonReduction]: Number of co-enabled transitions 5478 [2021-04-28 17:09:42,164 INFO L158 LiptonReduction]: Checked pairs total: 4871 [2021-04-28 17:09:42,164 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 17:09:42,164 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 12044 [2021-04-28 17:09:42,166 INFO L480 AbstractCegarLoop]: Abstraction has has 92 places, 124 transitions, 1002 flow [2021-04-28 17:09:42,166 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 225.75) internal successors, (903), 4 states have internal predecessors, (903), 0 states have call successors, (0), 0 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 17:09:42,166 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 17:09:42,166 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 17:09:42,167 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-04-28 17:09:42,167 INFO L428 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr3INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 17:09:42,167 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 17:09:42,167 INFO L82 PathProgramCache]: Analyzing trace with hash -966315484, now seen corresponding path program 1 times [2021-04-28 17:09:42,167 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 17:09:42,168 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [950005128] [2021-04-28 17:09:42,168 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 17:09:42,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 17:09:42,237 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 17:09:42,238 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 17:09:42,240 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 17:09:42,241 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 17:09:42,246 INFO L142 QuantifierPusher]: treesize reduction 11, result has 54.2 percent of original size [2021-04-28 17:09:42,247 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-28 17:09:42,255 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 17:09:42,256 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 17:09:42,256 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 17:09:42,256 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [950005128] [2021-04-28 17:09:42,256 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 17:09:42,257 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-04-28 17:09:42,257 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [695324984] [2021-04-28 17:09:42,257 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-04-28 17:09:42,257 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 17:09:42,258 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-04-28 17:09:42,258 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-04-28 17:09:42,261 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 310 out of 406 [2021-04-28 17:09:42,263 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 92 places, 124 transitions, 1002 flow. Second operand has 5 states, 5 states have (on average 310.8) internal successors, (1554), 5 states have internal predecessors, (1554), 0 states have call successors, (0), 0 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 17:09:42,263 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 17:09:42,263 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 310 of 406 [2021-04-28 17:09:42,263 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 17:09:56,349 INFO L129 PetriNetUnfolder]: 68610/107773 cut-off events. [2021-04-28 17:09:56,350 INFO L130 PetriNetUnfolder]: For 39768/1281694 co-relation queries the response was YES. [2021-04-28 17:09:56,903 INFO L84 FinitePrefix]: Finished finitePrefix Result has 414759 conditions, 107773 events. 68610/107773 cut-off events. For 39768/1281694 co-relation queries the response was YES. Maximal size of possible extension queue 19095. Compared 1136531 event pairs, 13375 based on Foata normal form. 2108/35785 useless extension candidates. Maximal degree in co-relation 414728. Up to 100229 conditions per place. [2021-04-28 17:09:57,246 INFO L132 encePairwiseOnDemand]: 386/406 looper letters, 35 selfloop transitions, 64 changer transitions 0/169 dead transitions. [2021-04-28 17:09:57,247 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 98 places, 169 transitions, 1449 flow [2021-04-28 17:09:57,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-04-28 17:09:57,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-04-28 17:09:57,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 2266 transitions. [2021-04-28 17:09:57,256 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7973258268824771 [2021-04-28 17:09:57,256 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 2266 transitions. [2021-04-28 17:09:57,256 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 2266 transitions. [2021-04-28 17:09:57,258 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 17:09:57,258 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 2266 transitions. [2021-04-28 17:09:57,264 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 323.7142857142857) internal successors, (2266), 7 states have internal predecessors, (2266), 0 states have call successors, (0), 0 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 17:09:57,271 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 406.0) internal successors, (3248), 8 states have internal predecessors, (3248), 0 states have call successors, (0), 0 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 17:09:57,272 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 406.0) internal successors, (3248), 8 states have internal predecessors, (3248), 0 states have call successors, (0), 0 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 17:09:57,272 INFO L185 Difference]: Start difference. First operand has 92 places, 124 transitions, 1002 flow. Second operand 7 states and 2266 transitions. [2021-04-28 17:09:57,272 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 98 places, 169 transitions, 1449 flow [2021-04-28 17:09:57,462 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 98 places, 169 transitions, 1435 flow, removed 7 selfloop flow, removed 0 redundant places. [2021-04-28 17:09:57,465 INFO L241 Difference]: Finished difference. Result has 101 places, 155 transitions, 1430 flow [2021-04-28 17:09:57,465 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=406, PETRI_DIFFERENCE_MINUEND_FLOW=988, PETRI_DIFFERENCE_MINUEND_PLACES=92, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=124, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=33, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=73, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=1430, PETRI_PLACES=101, PETRI_TRANSITIONS=155} [2021-04-28 17:09:57,465 INFO L343 CegarLoopForPetriNet]: 155 programPoint places, -54 predicate places. [2021-04-28 17:09:57,465 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 17:09:57,466 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 101 places, 155 transitions, 1430 flow [2021-04-28 17:09:57,466 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 101 places, 155 transitions, 1430 flow [2021-04-28 17:09:57,467 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 101 places, 155 transitions, 1430 flow [2021-04-28 17:10:09,914 INFO L129 PetriNetUnfolder]: 62063/99439 cut-off events. [2021-04-28 17:10:09,915 INFO L130 PetriNetUnfolder]: For 376073/1100546 co-relation queries the response was YES. [2021-04-28 17:10:10,482 INFO L84 FinitePrefix]: Finished finitePrefix Result has 470712 conditions, 99439 events. 62063/99439 cut-off events. For 376073/1100546 co-relation queries the response was YES. Maximal size of possible extension queue 18621. Compared 1116048 event pairs, 12837 based on Foata normal form. 49/29229 useless extension candidates. Maximal degree in co-relation 470678. Up to 94373 conditions per place. [2021-04-28 17:10:11,755 INFO L146 LiptonReduction]: Number of co-enabled transitions 7492 [2021-04-28 17:10:22,848 INFO L158 LiptonReduction]: Checked pairs total: 8907 [2021-04-28 17:10:22,848 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 17:10:22,848 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 25383 [2021-04-28 17:10:22,850 INFO L480 AbstractCegarLoop]: Abstraction has has 101 places, 155 transitions, 1430 flow [2021-04-28 17:10:22,850 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 310.8) internal successors, (1554), 5 states have internal predecessors, (1554), 0 states have call successors, (0), 0 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 17:10:22,850 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 17:10:22,851 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 17:10:22,851 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-04-28 17:10:22,851 INFO L428 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr3INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 17:10:22,851 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 17:10:22,851 INFO L82 PathProgramCache]: Analyzing trace with hash -364316686, now seen corresponding path program 1 times [2021-04-28 17:10:22,851 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 17:10:22,852 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1567866321] [2021-04-28 17:10:22,852 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 17:10:22,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 17:10:22,919 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 17:10:22,920 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 17:10:22,920 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 17:10:22,921 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 17:10:22,923 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 17:10:22,924 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 17:10:22,927 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 17:10:22,927 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1567866321] [2021-04-28 17:10:22,927 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 17:10:22,927 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-04-28 17:10:22,928 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [695600955] [2021-04-28 17:10:22,928 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-04-28 17:10:22,928 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 17:10:22,928 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-04-28 17:10:22,929 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-04-28 17:10:22,931 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 250 out of 406 [2021-04-28 17:10:22,932 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 101 places, 155 transitions, 1430 flow. Second operand has 4 states, 4 states have (on average 251.25) internal successors, (1005), 4 states have internal predecessors, (1005), 0 states have call successors, (0), 0 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 17:10:22,932 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 17:10:22,932 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 250 of 406 [2021-04-28 17:10:22,932 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 17:10:43,097 INFO L129 PetriNetUnfolder]: 95406/148724 cut-off events. [2021-04-28 17:10:43,097 INFO L130 PetriNetUnfolder]: For 460573/1754671 co-relation queries the response was YES. [2021-04-28 17:10:43,971 INFO L84 FinitePrefix]: Finished finitePrefix Result has 707570 conditions, 148724 events. 95406/148724 cut-off events. For 460573/1754671 co-relation queries the response was YES. Maximal size of possible extension queue 25827. Compared 1603848 event pairs, 20746 based on Foata normal form. 614/45104 useless extension candidates. Maximal degree in co-relation 707534. Up to 142562 conditions per place. [2021-04-28 17:10:44,749 INFO L132 encePairwiseOnDemand]: 403/406 looper letters, 11 selfloop transitions, 5 changer transitions 0/157 dead transitions. [2021-04-28 17:10:44,749 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 104 places, 157 transitions, 1489 flow [2021-04-28 17:10:44,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-04-28 17:10:44,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-04-28 17:10:44,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 1008 transitions. [2021-04-28 17:10:44,753 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6206896551724138 [2021-04-28 17:10:44,753 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 1008 transitions. [2021-04-28 17:10:44,753 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 1008 transitions. [2021-04-28 17:10:44,754 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 17:10:44,755 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 1008 transitions. [2021-04-28 17:10:44,757 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 252.0) internal successors, (1008), 4 states have internal predecessors, (1008), 0 states have call successors, (0), 0 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 17:10:44,761 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 406.0) internal successors, (2030), 5 states have internal predecessors, (2030), 0 states have call successors, (0), 0 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 17:10:44,762 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 406.0) internal successors, (2030), 5 states have internal predecessors, (2030), 0 states have call successors, (0), 0 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 17:10:44,762 INFO L185 Difference]: Start difference. First operand has 101 places, 155 transitions, 1430 flow. Second operand 4 states and 1008 transitions. [2021-04-28 17:10:44,762 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 104 places, 157 transitions, 1489 flow [2021-04-28 17:11:17,246 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 101 places, 157 transitions, 1327 flow, removed 54 selfloop flow, removed 3 redundant places. [2021-04-28 17:11:17,249 INFO L241 Difference]: Finished difference. Result has 102 places, 155 transitions, 1283 flow [2021-04-28 17:11:17,249 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=406, PETRI_DIFFERENCE_MINUEND_FLOW=1268, PETRI_DIFFERENCE_MINUEND_PLACES=98, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=155, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=150, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=1283, PETRI_PLACES=102, PETRI_TRANSITIONS=155} [2021-04-28 17:11:17,249 INFO L343 CegarLoopForPetriNet]: 155 programPoint places, -53 predicate places. [2021-04-28 17:11:17,249 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 17:11:17,249 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 102 places, 155 transitions, 1283 flow [2021-04-28 17:11:17,250 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 102 places, 155 transitions, 1283 flow [2021-04-28 17:11:17,251 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 102 places, 155 transitions, 1283 flow [2021-04-28 17:11:35,142 INFO L129 PetriNetUnfolder]: 93598/146506 cut-off events. [2021-04-28 17:11:35,142 INFO L130 PetriNetUnfolder]: For 178428/478157 co-relation queries the response was YES. [2021-04-28 17:11:36,014 INFO L84 FinitePrefix]: Finished finitePrefix Result has 650154 conditions, 146506 events. 93598/146506 cut-off events. For 178428/478157 co-relation queries the response was YES. Maximal size of possible extension queue 25446. Compared 1637933 event pairs, 20400 based on Foata normal form. 60/43540 useless extension candidates. Maximal degree in co-relation 650120. Up to 124048 conditions per place. [2021-04-28 17:11:37,988 INFO L146 LiptonReduction]: Number of co-enabled transitions 7492 [2021-04-28 17:12:19,290 INFO L158 LiptonReduction]: Checked pairs total: 8907 [2021-04-28 17:12:19,290 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 17:12:19,290 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 62041 [2021-04-28 17:12:19,291 INFO L480 AbstractCegarLoop]: Abstraction has has 102 places, 155 transitions, 1283 flow [2021-04-28 17:12:19,292 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 251.25) internal successors, (1005), 4 states have internal predecessors, (1005), 0 states have call successors, (0), 0 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 17:12:19,292 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 17:12:19,292 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 17:12:19,292 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-04-28 17:12:19,292 INFO L428 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr3INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 17:12:19,293 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 17:12:19,293 INFO L82 PathProgramCache]: Analyzing trace with hash 1567209420, now seen corresponding path program 1 times [2021-04-28 17:12:19,293 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 17:12:19,293 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [528897210] [2021-04-28 17:12:19,293 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 17:12:19,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 17:12:19,393 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 17:12:19,394 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 17:12:19,396 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 17:12:19,397 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 17:12:19,400 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 17:12:19,401 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 17:12:19,406 INFO L142 QuantifierPusher]: treesize reduction 11, result has 54.2 percent of original size [2021-04-28 17:12:19,407 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-28 17:12:19,415 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 17:12:19,416 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 17:12:19,416 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 17:12:19,416 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [528897210] [2021-04-28 17:12:19,416 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 17:12:19,416 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-04-28 17:12:19,417 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [591914605] [2021-04-28 17:12:19,417 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-04-28 17:12:19,417 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 17:12:19,417 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-04-28 17:12:19,418 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-04-28 17:12:19,420 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 310 out of 406 [2021-04-28 17:12:19,422 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 102 places, 155 transitions, 1283 flow. Second operand has 6 states, 6 states have (on average 310.8333333333333) internal successors, (1865), 6 states have internal predecessors, (1865), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 17:12:19,422 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 17:12:19,423 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 310 of 406 [2021-04-28 17:12:19,423 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 17:12:45,691 INFO L129 PetriNetUnfolder]: 97542/159035 cut-off events. [2021-04-28 17:12:45,691 INFO L130 PetriNetUnfolder]: For 185838/1448919 co-relation queries the response was YES. [2021-04-28 17:12:46,672 INFO L84 FinitePrefix]: Finished finitePrefix Result has 856812 conditions, 159035 events. 97542/159035 cut-off events. For 185838/1448919 co-relation queries the response was YES. Maximal size of possible extension queue 26091. Compared 1824604 event pairs, 3358 based on Foata normal form. 3149/52917 useless extension candidates. Maximal degree in co-relation 856776. Up to 132391 conditions per place. [2021-04-28 17:12:47,053 INFO L132 encePairwiseOnDemand]: 386/406 looper letters, 24 selfloop transitions, 95 changer transitions 12/201 dead transitions. [2021-04-28 17:12:47,053 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 110 places, 201 transitions, 1954 flow [2021-04-28 17:12:47,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-04-28 17:12:47,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-04-28 17:12:47,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 2916 transitions. [2021-04-28 17:12:47,062 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7980295566502463 [2021-04-28 17:12:47,062 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 2916 transitions. [2021-04-28 17:12:47,062 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 2916 transitions. [2021-04-28 17:12:47,065 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 17:12:47,065 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 2916 transitions. [2021-04-28 17:12:47,072 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 324.0) internal successors, (2916), 9 states have internal predecessors, (2916), 0 states have call successors, (0), 0 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 17:12:47,081 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 406.0) internal successors, (4060), 10 states have internal predecessors, (4060), 0 states have call successors, (0), 0 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 17:12:47,082 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 406.0) internal successors, (4060), 10 states have internal predecessors, (4060), 0 states have call successors, (0), 0 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 17:12:47,082 INFO L185 Difference]: Start difference. First operand has 102 places, 155 transitions, 1283 flow. Second operand 9 states and 2916 transitions. [2021-04-28 17:12:47,082 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 110 places, 201 transitions, 1954 flow [2021-04-28 17:13:16,516 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 108 places, 201 transitions, 1938 flow, removed 1 selfloop flow, removed 2 redundant places. [2021-04-28 17:13:16,520 INFO L241 Difference]: Finished difference. Result has 111 places, 186 transitions, 1857 flow [2021-04-28 17:13:16,520 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=406, PETRI_DIFFERENCE_MINUEND_FLOW=1267, PETRI_DIFFERENCE_MINUEND_PLACES=100, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=155, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=76, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=73, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=1857, PETRI_PLACES=111, PETRI_TRANSITIONS=186} [2021-04-28 17:13:16,521 INFO L343 CegarLoopForPetriNet]: 155 programPoint places, -44 predicate places. [2021-04-28 17:13:16,521 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 17:13:16,521 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 111 places, 186 transitions, 1857 flow [2021-04-28 17:13:16,521 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 111 places, 186 transitions, 1857 flow [2021-04-28 17:13:16,523 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 111 places, 186 transitions, 1857 flow [2021-04-28 17:13:33,653 INFO L129 PetriNetUnfolder]: 68054/120686 cut-off events. [2021-04-28 17:13:33,653 INFO L130 PetriNetUnfolder]: For 798906/1468073 co-relation queries the response was YES. [2021-04-28 17:13:34,962 INFO L84 FinitePrefix]: Finished finitePrefix Result has 704721 conditions, 120686 events. 68054/120686 cut-off events. For 798906/1468073 co-relation queries the response was YES. Maximal size of possible extension queue 24744. Compared 1536918 event pairs, 3280 based on Foata normal form. 1/35431 useless extension candidates. Maximal degree in co-relation 704684. Up to 97696 conditions per place. [2021-04-28 17:13:36,620 INFO L146 LiptonReduction]: Number of co-enabled transitions 8372 [2021-04-28 17:13:58,064 INFO L158 LiptonReduction]: Checked pairs total: 13189 [2021-04-28 17:13:58,064 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 17:13:58,064 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 41543 [2021-04-28 17:13:58,065 INFO L480 AbstractCegarLoop]: Abstraction has has 111 places, 186 transitions, 1857 flow [2021-04-28 17:13:58,067 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 310.8333333333333) internal successors, (1865), 6 states have internal predecessors, (1865), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 17:13:58,067 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 17:13:58,067 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 17:13:58,068 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-04-28 17:13:58,068 INFO L428 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr3INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 17:13:58,068 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 17:13:58,068 INFO L82 PathProgramCache]: Analyzing trace with hash -1761863422, now seen corresponding path program 1 times [2021-04-28 17:13:58,068 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 17:13:58,068 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [861852845] [2021-04-28 17:13:58,069 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 17:13:58,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 17:13:58,267 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 17:13:58,268 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 17:13:58,271 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 17:13:58,271 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 17:13:58,275 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 17:13:58,275 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 17:13:58,279 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 17:13:58,280 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 17:13:58,289 INFO L142 QuantifierPusher]: treesize reduction 11, result has 54.2 percent of original size [2021-04-28 17:13:58,291 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-28 17:13:58,300 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 17:13:58,300 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 17:13:58,300 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 17:13:58,301 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [861852845] [2021-04-28 17:13:58,301 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 17:13:58,301 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-04-28 17:13:58,301 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [582924657] [2021-04-28 17:13:58,301 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-04-28 17:13:58,301 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 17:13:58,302 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-04-28 17:13:58,302 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-04-28 17:13:58,306 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 310 out of 406 [2021-04-28 17:13:58,309 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 111 places, 186 transitions, 1857 flow. Second operand has 7 states, 7 states have (on average 310.85714285714283) internal successors, (2176), 7 states have internal predecessors, (2176), 0 states have call successors, (0), 0 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 17:13:58,309 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 17:13:58,309 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 310 of 406 [2021-04-28 17:13:58,310 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 17:14:20,351 INFO L129 PetriNetUnfolder]: 68247/122369 cut-off events. [2021-04-28 17:14:20,351 INFO L130 PetriNetUnfolder]: For 326609/2603041 co-relation queries the response was YES. [2021-04-28 17:14:21,587 INFO L84 FinitePrefix]: Finished finitePrefix Result has 827796 conditions, 122369 events. 68247/122369 cut-off events. For 326609/2603041 co-relation queries the response was YES. Maximal size of possible extension queue 25707. Compared 1534883 event pairs, 10 based on Foata normal form. 2233/39203 useless extension candidates. Maximal degree in co-relation 827757. Up to 97129 conditions per place. [2021-04-28 17:14:22,002 INFO L132 encePairwiseOnDemand]: 386/406 looper letters, 6 selfloop transitions, 113 changer transitions 20/209 dead transitions. [2021-04-28 17:14:22,003 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 121 places, 209 transitions, 2345 flow [2021-04-28 17:14:22,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-04-28 17:14:22,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-04-28 17:14:22,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 3542 transitions. [2021-04-28 17:14:22,013 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7931034482758621 [2021-04-28 17:14:22,013 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 3542 transitions. [2021-04-28 17:14:22,013 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 3542 transitions. [2021-04-28 17:14:22,016 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 17:14:22,016 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 3542 transitions. [2021-04-28 17:14:22,025 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 322.0) internal successors, (3542), 11 states have internal predecessors, (3542), 0 states have call successors, (0), 0 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 17:14:22,033 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 406.0) internal successors, (4872), 12 states have internal predecessors, (4872), 0 states have call successors, (0), 0 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 17:14:22,035 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 406.0) internal successors, (4872), 12 states have internal predecessors, (4872), 0 states have call successors, (0), 0 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 17:14:22,035 INFO L185 Difference]: Start difference. First operand has 111 places, 186 transitions, 1857 flow. Second operand 11 states and 3542 transitions. [2021-04-28 17:14:22,035 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 121 places, 209 transitions, 2345 flow