/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-RepeatedSemanticLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/goblint-regression/28-race_reach_19-callback_racing.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-d5b4239aa45c8d22a30959944f2ef622f7386a6d-d5b4239 [2021-03-25 16:22:11,085 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-03-25 16:22:11,087 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-03-25 16:22:11,127 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-03-25 16:22:11,128 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-03-25 16:22:11,131 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-03-25 16:22:11,134 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-03-25 16:22:11,141 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-03-25 16:22:11,143 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-03-25 16:22:11,149 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-03-25 16:22:11,150 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-03-25 16:22:11,150 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-03-25 16:22:11,151 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-03-25 16:22:11,151 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-03-25 16:22:11,152 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-03-25 16:22:11,153 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-03-25 16:22:11,154 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-03-25 16:22:11,154 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-03-25 16:22:11,156 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-03-25 16:22:11,157 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-03-25 16:22:11,158 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-03-25 16:22:11,163 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-03-25 16:22:11,164 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-03-25 16:22:11,164 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-03-25 16:22:11,167 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-03-25 16:22:11,167 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-03-25 16:22:11,167 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-03-25 16:22:11,168 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-03-25 16:22:11,168 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-03-25 16:22:11,169 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-03-25 16:22:11,169 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-03-25 16:22:11,170 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-03-25 16:22:11,170 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-03-25 16:22:11,171 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-03-25 16:22:11,172 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-03-25 16:22:11,172 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-03-25 16:22:11,173 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-03-25 16:22:11,173 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-03-25 16:22:11,173 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-03-25 16:22:11,174 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-03-25 16:22:11,174 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-03-25 16:22:11,181 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-RepeatedSemanticLbe.epf [2021-03-25 16:22:11,217 INFO L113 SettingsManager]: Loading preferences was successful [2021-03-25 16:22:11,217 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-03-25 16:22:11,220 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-03-25 16:22:11,221 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-03-25 16:22:11,221 INFO L138 SettingsManager]: * Use SBE=true [2021-03-25 16:22:11,221 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-03-25 16:22:11,221 INFO L138 SettingsManager]: * sizeof long=4 [2021-03-25 16:22:11,222 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-03-25 16:22:11,222 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-03-25 16:22:11,222 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-03-25 16:22:11,223 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-03-25 16:22:11,223 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-03-25 16:22:11,223 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-03-25 16:22:11,223 INFO L138 SettingsManager]: * sizeof long double=12 [2021-03-25 16:22:11,223 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-03-25 16:22:11,223 INFO L138 SettingsManager]: * Use constant arrays=true [2021-03-25 16:22:11,223 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-03-25 16:22:11,224 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-03-25 16:22:11,224 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-03-25 16:22:11,224 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-03-25 16:22:11,224 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-03-25 16:22:11,224 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-03-25 16:22:11,224 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-03-25 16:22:11,225 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-03-25 16:22:11,225 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-03-25 16:22:11,225 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-03-25 16:22:11,225 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-03-25 16:22:11,225 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-03-25 16:22:11,225 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-03-25 16:22:11,225 INFO L138 SettingsManager]: * Apply repeated Lipton Reduction=true WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-03-25 16:22:11,544 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-03-25 16:22:11,564 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-03-25 16:22:11,566 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-03-25 16:22:11,567 INFO L271 PluginConnector]: Initializing CDTParser... [2021-03-25 16:22:11,568 INFO L275 PluginConnector]: CDTParser initialized [2021-03-25 16:22:11,568 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/28-race_reach_19-callback_racing.i [2021-03-25 16:22:11,624 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1cc4f0aa8/b87ec677144f4c23884549a9a7662866/FLAG2997113f5 [2021-03-25 16:22:12,049 INFO L306 CDTParser]: Found 1 translation units. [2021-03-25 16:22:12,049 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/28-race_reach_19-callback_racing.i [2021-03-25 16:22:12,060 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1cc4f0aa8/b87ec677144f4c23884549a9a7662866/FLAG2997113f5 [2021-03-25 16:22:12,366 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1cc4f0aa8/b87ec677144f4c23884549a9a7662866 [2021-03-25 16:22:12,368 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-03-25 16:22:12,370 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-03-25 16:22:12,371 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-03-25 16:22:12,371 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-03-25 16:22:12,375 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-03-25 16:22:12,376 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.03 04:22:12" (1/1) ... [2021-03-25 16:22:12,376 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@11c78af2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 04:22:12, skipping insertion in model container [2021-03-25 16:22:12,376 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.03 04:22:12" (1/1) ... [2021-03-25 16:22:12,385 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-03-25 16:22:12,413 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-03-25 16:22:12,674 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/28-race_reach_19-callback_racing.i[29949,29962] [2021-03-25 16:22:12,709 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-03-25 16:22:12,721 INFO L203 MainTranslator]: Completed pre-run [2021-03-25 16:22:12,771 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/28-race_reach_19-callback_racing.i[29949,29962] [2021-03-25 16:22:12,777 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-03-25 16:22:12,858 INFO L208 MainTranslator]: Completed translation [2021-03-25 16:22:12,860 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 04:22:12 WrapperNode [2021-03-25 16:22:12,860 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-03-25 16:22:12,862 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-03-25 16:22:12,862 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-03-25 16:22:12,862 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-03-25 16:22:12,868 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 04:22:12" (1/1) ... [2021-03-25 16:22:12,899 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 04:22:12" (1/1) ... [2021-03-25 16:22:12,931 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-03-25 16:22:12,931 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-03-25 16:22:12,931 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-03-25 16:22:12,932 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-03-25 16:22:12,937 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 04:22:12" (1/1) ... [2021-03-25 16:22:12,937 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 04:22:12" (1/1) ... [2021-03-25 16:22:12,945 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 04:22:12" (1/1) ... [2021-03-25 16:22:12,945 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 04:22:12" (1/1) ... [2021-03-25 16:22:12,950 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 04:22:12" (1/1) ... [2021-03-25 16:22:12,954 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 04:22:12" (1/1) ... [2021-03-25 16:22:12,956 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 04:22:12" (1/1) ... [2021-03-25 16:22:12,958 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-03-25 16:22:12,959 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-03-25 16:22:12,959 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-03-25 16:22:12,959 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-03-25 16:22:12,960 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 04:22:12" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-03-25 16:22:13,019 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-03-25 16:22:13,020 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-03-25 16:22:13,020 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2021-03-25 16:22:13,020 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-03-25 16:22:13,020 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2021-03-25 16:22:13,021 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2021-03-25 16:22:13,021 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-03-25 16:22:13,022 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-03-25 16:22:13,022 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-03-25 16:22:13,022 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-03-25 16:22:13,024 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-03-25 16:22:13,547 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-03-25 16:22:13,547 INFO L299 CfgBuilder]: Removed 23 assume(true) statements. [2021-03-25 16:22:13,548 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.03 04:22:13 BoogieIcfgContainer [2021-03-25 16:22:13,548 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-03-25 16:22:13,550 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-03-25 16:22:13,550 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-03-25 16:22:13,552 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-03-25 16:22:13,553 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.03 04:22:12" (1/3) ... [2021-03-25 16:22:13,553 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@71744bce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.03 04:22:13, skipping insertion in model container [2021-03-25 16:22:13,553 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 04:22:12" (2/3) ... [2021-03-25 16:22:13,554 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@71744bce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.03 04:22:13, skipping insertion in model container [2021-03-25 16:22:13,554 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.03 04:22:13" (3/3) ... [2021-03-25 16:22:13,555 INFO L111 eAbstractionObserver]: Analyzing ICFG 28-race_reach_19-callback_racing.i [2021-03-25 16:22:13,560 INFO L149 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-03-25 16:22:13,564 INFO L161 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-03-25 16:22:13,564 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-03-25 16:22:13,588 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:22:13,588 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:22:13,588 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:22:13,588 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:22:13,588 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:22:13,589 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:22:13,589 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:22:13,589 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:22:13,589 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:22:13,589 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:22:13,589 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:22:13,589 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:22:13,590 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:22:13,590 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:22:13,590 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:22:13,590 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:22:13,590 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:22:13,590 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:22:13,591 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:22:13,591 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:22:13,591 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:22:13,591 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:22:13,591 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:22:13,591 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:22:13,592 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:22:13,592 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:22:13,592 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:22:13,592 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:22:13,592 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:22:13,592 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:22:13,592 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:22:13,592 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:22:13,594 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:22:13,594 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:22:13,595 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:22:13,595 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:22:13,595 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:22:13,595 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:22:13,595 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:22:13,595 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:22:13,601 INFO L149 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2021-03-25 16:22:13,617 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-03-25 16:22:13,635 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-03-25 16:22:13,635 INFO L377 AbstractCegarLoop]: Hoare is false [2021-03-25 16:22:13,635 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-03-25 16:22:13,635 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-03-25 16:22:13,635 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-03-25 16:22:13,636 INFO L381 AbstractCegarLoop]: Difference is false [2021-03-25 16:22:13,636 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-03-25 16:22:13,636 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-03-25 16:22:13,646 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 116 places, 128 transitions, 264 flow [2021-03-25 16:22:13,696 INFO L129 PetriNetUnfolder]: 26/195 cut-off events. [2021-03-25 16:22:13,696 INFO L130 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2021-03-25 16:22:13,701 INFO L84 FinitePrefix]: Finished finitePrefix Result has 201 conditions, 195 events. 26/195 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 512 event pairs, 0 based on Foata normal form. 0/165 useless extension candidates. Maximal degree in co-relation 97. Up to 6 conditions per place. [2021-03-25 16:22:13,701 INFO L82 GeneralOperation]: Start removeDead. Operand has 116 places, 128 transitions, 264 flow [2021-03-25 16:22:13,706 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 112 places, 123 transitions, 251 flow [2021-03-25 16:22:13,707 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 16:22:13,718 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 112 places, 123 transitions, 251 flow [2021-03-25 16:22:13,721 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 112 places, 123 transitions, 251 flow [2021-03-25 16:22:13,723 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 112 places, 123 transitions, 251 flow [2021-03-25 16:22:13,755 INFO L129 PetriNetUnfolder]: 25/190 cut-off events. [2021-03-25 16:22:13,755 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-25 16:22:13,756 INFO L84 FinitePrefix]: Finished finitePrefix Result has 195 conditions, 190 events. 25/190 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 487 event pairs, 0 based on Foata normal form. 0/160 useless extension candidates. Maximal degree in co-relation 97. Up to 6 conditions per place. [2021-03-25 16:22:13,760 INFO L142 LiptonReduction]: Number of co-enabled transitions 2880 [2021-03-25 16:22:15,957 INFO L154 LiptonReduction]: Checked pairs total: 1527 [2021-03-25 16:22:15,957 INFO L156 LiptonReduction]: Total number of compositions: 76 [2021-03-25 16:22:15,961 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2255 [2021-03-25 16:22:15,980 INFO L129 PetriNetUnfolder]: 0/31 cut-off events. [2021-03-25 16:22:15,980 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-25 16:22:15,981 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 16:22:15,981 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 16:22:15,982 INFO L428 AbstractCegarLoop]: === Iteration 1 === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2021-03-25 16:22:15,987 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 16:22:15,987 INFO L82 PathProgramCache]: Analyzing trace with hash 1321509945, now seen corresponding path program 1 times [2021-03-25 16:22:15,994 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 16:22:15,995 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [844345113] [2021-03-25 16:22:15,995 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 16:22:16,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-03-25 16:22:16,153 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-03-25 16:22:16,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-03-25 16:22:16,199 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-03-25 16:22:16,234 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-03-25 16:22:16,234 INFO L634 BasicCegarLoop]: Counterexample might be feasible [2021-03-25 16:22:16,235 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-03-25 16:22:16,235 WARN L342 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2021-03-25 16:22:16,236 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2021-03-25 16:22:16,251 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:22:16,252 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:22:16,252 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:22:16,252 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:22:16,253 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:22:16,253 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:22:16,253 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:22:16,253 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:22:16,253 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:22:16,253 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:22:16,253 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:22:16,254 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:22:16,254 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:22:16,255 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:22:16,255 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:22:16,255 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:22:16,255 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:22:16,256 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:22:16,259 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:22:16,259 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:22:16,259 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:22:16,259 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:22:16,266 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:22:16,266 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:22:16,266 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:22:16,266 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:22:16,267 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:22:16,267 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:22:16,267 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:22:16,267 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:22:16,267 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:22:16,267 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:22:16,268 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:22:16,268 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:22:16,268 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:22:16,268 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:22:16,268 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:22:16,268 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:22:16,268 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:22:16,269 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:22:16,269 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:22:16,269 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:22:16,269 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:22:16,269 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:22:16,269 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:22:16,269 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:22:16,269 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:22:16,269 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:22:16,270 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:22:16,270 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:22:16,270 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:22:16,270 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:22:16,270 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:22:16,270 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:22:16,270 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:22:16,270 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:22:16,271 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:22:16,271 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:22:16,271 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:22:16,271 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:22:16,271 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:22:16,271 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:22:16,271 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:22:16,271 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:22:16,272 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:22:16,272 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:22:16,273 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:22:16,273 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:22:16,273 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:22:16,273 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:22:16,273 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:22:16,273 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:22:16,275 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:22:16,275 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:22:16,276 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:22:16,276 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:22:16,276 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:22:16,276 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:22:16,276 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:22:16,276 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:22:16,278 INFO L149 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2021-03-25 16:22:16,278 INFO L253 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2021-03-25 16:22:16,283 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-03-25 16:22:16,283 INFO L377 AbstractCegarLoop]: Hoare is false [2021-03-25 16:22:16,283 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-03-25 16:22:16,283 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-03-25 16:22:16,283 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-03-25 16:22:16,283 INFO L381 AbstractCegarLoop]: Difference is false [2021-03-25 16:22:16,283 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-03-25 16:22:16,283 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-03-25 16:22:16,288 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 136 places, 150 transitions, 318 flow [2021-03-25 16:22:16,343 INFO L129 PetriNetUnfolder]: 43/307 cut-off events. [2021-03-25 16:22:16,343 INFO L130 PetriNetUnfolder]: For 6/6 co-relation queries the response was YES. [2021-03-25 16:22:16,346 INFO L84 FinitePrefix]: Finished finitePrefix Result has 321 conditions, 307 events. 43/307 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 1121 event pairs, 0 based on Foata normal form. 0/258 useless extension candidates. Maximal degree in co-relation 197. Up to 9 conditions per place. [2021-03-25 16:22:16,346 INFO L82 GeneralOperation]: Start removeDead. Operand has 136 places, 150 transitions, 318 flow [2021-03-25 16:22:16,348 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 136 places, 150 transitions, 318 flow [2021-03-25 16:22:16,348 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 16:22:16,348 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 136 places, 150 transitions, 318 flow [2021-03-25 16:22:16,349 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 136 places, 150 transitions, 318 flow [2021-03-25 16:22:16,349 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 136 places, 150 transitions, 318 flow [2021-03-25 16:22:16,373 INFO L129 PetriNetUnfolder]: 43/307 cut-off events. [2021-03-25 16:22:16,373 INFO L130 PetriNetUnfolder]: For 6/6 co-relation queries the response was YES. [2021-03-25 16:22:16,375 INFO L84 FinitePrefix]: Finished finitePrefix Result has 321 conditions, 307 events. 43/307 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 1137 event pairs, 0 based on Foata normal form. 0/258 useless extension candidates. Maximal degree in co-relation 197. Up to 9 conditions per place. [2021-03-25 16:22:16,380 INFO L142 LiptonReduction]: Number of co-enabled transitions 7000 [2021-03-25 16:22:18,314 INFO L154 LiptonReduction]: Checked pairs total: 3405 [2021-03-25 16:22:18,314 INFO L156 LiptonReduction]: Total number of compositions: 80 [2021-03-25 16:22:18,314 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1966 [2021-03-25 16:22:18,320 INFO L129 PetriNetUnfolder]: 6/61 cut-off events. [2021-03-25 16:22:18,320 INFO L130 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2021-03-25 16:22:18,320 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 16:22:18,320 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 16:22:18,320 INFO L428 AbstractCegarLoop]: === Iteration 1 === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 16:22:18,321 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 16:22:18,321 INFO L82 PathProgramCache]: Analyzing trace with hash 511954918, now seen corresponding path program 1 times [2021-03-25 16:22:18,321 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 16:22:18,321 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [178049500] [2021-03-25 16:22:18,321 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 16:22:18,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 16:22:18,403 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:22:18,404 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 16:22:18,405 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:22:18,405 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 16:22:18,410 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:22:18,410 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-25 16:22:18,418 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:22:18,419 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-25 16:22:18,424 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 16:22:18,425 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [178049500] [2021-03-25 16:22:18,425 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 16:22:18,426 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-03-25 16:22:18,426 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1800119994] [2021-03-25 16:22:18,434 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-03-25 16:22:18,434 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 16:22:18,443 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-03-25 16:22:18,445 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-03-25 16:22:18,448 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 181 out of 230 [2021-03-25 16:22:18,453 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 78 places, 88 transitions, 194 flow. Second operand has 5 states, 5 states have (on average 182.2) internal successors, (911), 5 states have internal predecessors, (911), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 16:22:18,453 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 16:22:18,454 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 181 of 230 [2021-03-25 16:22:18,455 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 16:22:18,662 INFO L129 PetriNetUnfolder]: 202/999 cut-off events. [2021-03-25 16:22:18,662 INFO L130 PetriNetUnfolder]: For 23/27 co-relation queries the response was YES. [2021-03-25 16:22:18,665 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1354 conditions, 999 events. 202/999 cut-off events. For 23/27 co-relation queries the response was YES. Maximal size of possible extension queue 55. Compared 7059 event pairs, 39 based on Foata normal form. 362/1248 useless extension candidates. Maximal degree in co-relation 857. Up to 137 conditions per place. [2021-03-25 16:22:18,669 INFO L132 encePairwiseOnDemand]: 213/230 looper letters, 35 selfloop transitions, 8 changer transitions 0/107 dead transitions. [2021-03-25 16:22:18,670 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 84 places, 107 transitions, 318 flow [2021-03-25 16:22:18,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-25 16:22:18,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-25 16:22:18,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 1549 transitions. [2021-03-25 16:22:18,702 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8418478260869565 [2021-03-25 16:22:18,702 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 1549 transitions. [2021-03-25 16:22:18,703 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 1549 transitions. [2021-03-25 16:22:18,711 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 16:22:18,714 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 1549 transitions. [2021-03-25 16:22:18,721 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 193.625) internal successors, (1549), 8 states have internal predecessors, (1549), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 16:22:18,730 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 230.0) internal successors, (2070), 9 states have internal predecessors, (2070), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 16:22:18,731 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 230.0) internal successors, (2070), 9 states have internal predecessors, (2070), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 16:22:18,733 INFO L185 Difference]: Start difference. First operand has 78 places, 88 transitions, 194 flow. Second operand 8 states and 1549 transitions. [2021-03-25 16:22:18,733 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 84 places, 107 transitions, 318 flow [2021-03-25 16:22:18,737 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 84 places, 107 transitions, 318 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-03-25 16:22:18,740 INFO L241 Difference]: Finished difference. Result has 89 places, 83 transitions, 229 flow [2021-03-25 16:22:18,742 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=230, PETRI_DIFFERENCE_MINUEND_FLOW=170, PETRI_DIFFERENCE_MINUEND_PLACES=77, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=76, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=71, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=229, PETRI_PLACES=89, PETRI_TRANSITIONS=83} [2021-03-25 16:22:18,742 INFO L343 CegarLoopForPetriNet]: 78 programPoint places, 11 predicate places. [2021-03-25 16:22:18,743 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 16:22:18,743 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 89 places, 83 transitions, 229 flow [2021-03-25 16:22:18,743 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 89 places, 83 transitions, 229 flow [2021-03-25 16:22:18,744 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 89 places, 83 transitions, 229 flow [2021-03-25 16:22:18,770 INFO L129 PetriNetUnfolder]: 25/355 cut-off events. [2021-03-25 16:22:18,770 INFO L130 PetriNetUnfolder]: For 57/67 co-relation queries the response was YES. [2021-03-25 16:22:18,771 INFO L84 FinitePrefix]: Finished finitePrefix Result has 446 conditions, 355 events. 25/355 cut-off events. For 57/67 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 1672 event pairs, 0 based on Foata normal form. 2/319 useless extension candidates. Maximal degree in co-relation 384. Up to 17 conditions per place. [2021-03-25 16:22:18,775 INFO L142 LiptonReduction]: Number of co-enabled transitions 2568 [2021-03-25 16:22:19,696 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2021-03-25 16:22:19,798 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2021-03-25 16:22:19,923 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2021-03-25 16:22:20,424 WARN L205 SmtUtils]: Spent 304.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 122 [2021-03-25 16:22:20,578 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2021-03-25 16:22:20,920 WARN L205 SmtUtils]: Spent 340.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 122 [2021-03-25 16:22:21,068 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2021-03-25 16:22:21,523 WARN L205 SmtUtils]: Spent 418.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 133 [2021-03-25 16:22:21,713 WARN L205 SmtUtils]: Spent 189.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2021-03-25 16:22:22,140 WARN L205 SmtUtils]: Spent 426.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 133 [2021-03-25 16:22:22,340 WARN L205 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2021-03-25 16:22:22,349 INFO L154 LiptonReduction]: Checked pairs total: 3876 [2021-03-25 16:22:22,350 INFO L156 LiptonReduction]: Total number of compositions: 24 [2021-03-25 16:22:22,350 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 3607 [2021-03-25 16:22:22,351 INFO L480 AbstractCegarLoop]: Abstraction has has 73 places, 67 transitions, 199 flow [2021-03-25 16:22:22,351 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 182.2) internal successors, (911), 5 states have internal predecessors, (911), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 16:22:22,351 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 16:22:22,352 INFO L263 CegarLoopForPetriNet]: trace histogram [3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 16:22:22,352 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-03-25 16:22:22,352 INFO L428 AbstractCegarLoop]: === Iteration 2 === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 16:22:22,352 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 16:22:22,352 INFO L82 PathProgramCache]: Analyzing trace with hash 8746271, now seen corresponding path program 1 times [2021-03-25 16:22:22,352 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 16:22:22,353 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1746736642] [2021-03-25 16:22:22,353 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 16:22:22,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-03-25 16:22:22,370 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-03-25 16:22:22,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-03-25 16:22:22,414 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-03-25 16:22:22,426 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-03-25 16:22:22,426 INFO L634 BasicCegarLoop]: Counterexample might be feasible [2021-03-25 16:22:22,427 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-03-25 16:22:22,427 WARN L342 ceAbstractionStarter]: 2 thread instances were not sufficient, I will increase this number and restart the analysis [2021-03-25 16:22:22,428 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 3 thread instances. [2021-03-25 16:22:22,439 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:22:22,440 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:22:22,440 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:22:22,440 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:22:22,440 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:22:22,440 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:22:22,440 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:22:22,440 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:22:22,440 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:22:22,440 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:22:22,440 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:22:22,440 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:22:22,441 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:22:22,441 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:22:22,441 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:22:22,441 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:22:22,441 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:22:22,441 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:22:22,441 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:22:22,441 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:22:22,441 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:22:22,441 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:22:22,441 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of3ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:22:22,441 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of3ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:22:22,442 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:22:22,442 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of3ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:22:22,442 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:22:22,442 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of3ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:22:22,442 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of3ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:22:22,442 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of3ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:22:22,442 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of3ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:22:22,442 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of3ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:22:22,443 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:22:22,443 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:22:22,443 WARN L313 ript$VariableManager]: TermVariabe t_funThread3of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:22:22,443 WARN L313 ript$VariableManager]: TermVariabe t_funThread3of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:22:22,443 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:22:22,444 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:22:22,444 WARN L313 ript$VariableManager]: TermVariabe t_funThread3of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:22:22,444 WARN L313 ript$VariableManager]: TermVariabe t_funThread3of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:22:22,444 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:22:22,444 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:22:22,444 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:22:22,444 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:22:22,444 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:22:22,444 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:22:22,445 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:22:22,445 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:22:22,447 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:22:22,447 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:22:22,447 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:22:22,447 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:22:22,448 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:22:22,448 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:22:22,448 WARN L313 ript$VariableManager]: TermVariabe t_funThread3of3ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:22:22,448 WARN L313 ript$VariableManager]: TermVariabe t_funThread3of3ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:22:22,448 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:22:22,448 WARN L313 ript$VariableManager]: TermVariabe t_funThread3of3ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:22:22,448 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:22:22,448 WARN L313 ript$VariableManager]: TermVariabe t_funThread3of3ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:22:22,448 WARN L313 ript$VariableManager]: TermVariabe t_funThread3of3ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:22:22,448 WARN L313 ript$VariableManager]: TermVariabe t_funThread3of3ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:22:22,448 WARN L313 ript$VariableManager]: TermVariabe t_funThread3of3ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:22:22,448 WARN L313 ript$VariableManager]: TermVariabe t_funThread3of3ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:22:22,448 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:22:22,448 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:22:22,449 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:22:22,449 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:22:22,449 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:22:22,449 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:22:22,449 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:22:22,449 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:22:22,449 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:22:22,449 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:22:22,449 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:22:22,449 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:22:22,449 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:22:22,449 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:22:22,449 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:22:22,450 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:22:22,450 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:22:22,450 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:22:22,450 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:22:22,450 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:22:22,450 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:22:22,450 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:22:22,450 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of3ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:22:22,450 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of3ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:22:22,450 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:22:22,450 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of3ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:22:22,450 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:22:22,450 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of3ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:22:22,451 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of3ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:22:22,451 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of3ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:22:22,451 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of3ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:22:22,451 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of3ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:22:22,451 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:22:22,451 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:22:22,451 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:22:22,451 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:22:22,451 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:22:22,451 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:22:22,451 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of3ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:22:22,451 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:22:22,452 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:22:22,452 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:22:22,452 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:22:22,453 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:22:22,453 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:22:22,453 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of3ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:22:22,453 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:22:22,453 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:22:22,454 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:22:22,454 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:22:22,454 WARN L313 ript$VariableManager]: TermVariabe t_funThread3of3ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:22:22,454 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:22:22,454 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:22:22,454 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:22:22,454 WARN L313 ript$VariableManager]: TermVariabe t_funThread3of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:22:22,454 WARN L313 ript$VariableManager]: TermVariabe t_funThread3of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:22:22,457 INFO L149 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2021-03-25 16:22:22,457 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2021-03-25 16:22:22,458 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-03-25 16:22:22,458 INFO L377 AbstractCegarLoop]: Hoare is false [2021-03-25 16:22:22,458 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-03-25 16:22:22,458 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-03-25 16:22:22,458 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-03-25 16:22:22,458 INFO L381 AbstractCegarLoop]: Difference is false [2021-03-25 16:22:22,458 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-03-25 16:22:22,458 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-03-25 16:22:22,460 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 156 places, 172 transitions, 374 flow [2021-03-25 16:22:22,514 INFO L129 PetriNetUnfolder]: 65/450 cut-off events. [2021-03-25 16:22:22,514 INFO L130 PetriNetUnfolder]: For 19/19 co-relation queries the response was YES. [2021-03-25 16:22:22,517 INFO L84 FinitePrefix]: Finished finitePrefix Result has 478 conditions, 450 events. 65/450 cut-off events. For 19/19 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 1891 event pairs, 1 based on Foata normal form. 0/378 useless extension candidates. Maximal degree in co-relation 315. Up to 16 conditions per place. [2021-03-25 16:22:22,518 INFO L82 GeneralOperation]: Start removeDead. Operand has 156 places, 172 transitions, 374 flow [2021-03-25 16:22:22,521 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 156 places, 172 transitions, 374 flow [2021-03-25 16:22:22,521 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 16:22:22,521 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 156 places, 172 transitions, 374 flow [2021-03-25 16:22:22,521 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 156 places, 172 transitions, 374 flow [2021-03-25 16:22:22,522 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 156 places, 172 transitions, 374 flow [2021-03-25 16:22:22,551 INFO L129 PetriNetUnfolder]: 65/450 cut-off events. [2021-03-25 16:22:22,551 INFO L130 PetriNetUnfolder]: For 19/19 co-relation queries the response was YES. [2021-03-25 16:22:22,554 INFO L84 FinitePrefix]: Finished finitePrefix Result has 478 conditions, 450 events. 65/450 cut-off events. For 19/19 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 1925 event pairs, 1 based on Foata normal form. 0/378 useless extension candidates. Maximal degree in co-relation 315. Up to 16 conditions per place. [2021-03-25 16:22:22,564 INFO L142 LiptonReduction]: Number of co-enabled transitions 11880 [2021-03-25 16:22:24,619 INFO L154 LiptonReduction]: Checked pairs total: 5841 [2021-03-25 16:22:24,620 INFO L156 LiptonReduction]: Total number of compositions: 92 [2021-03-25 16:22:24,620 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2099 [2021-03-25 16:22:24,624 INFO L129 PetriNetUnfolder]: 3/50 cut-off events. [2021-03-25 16:22:24,625 INFO L130 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2021-03-25 16:22:24,625 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 16:22:24,625 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 16:22:24,625 INFO L428 AbstractCegarLoop]: === Iteration 1 === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 16:22:24,625 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 16:22:24,625 INFO L82 PathProgramCache]: Analyzing trace with hash 170184907, now seen corresponding path program 1 times [2021-03-25 16:22:24,625 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 16:22:24,626 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [459057063] [2021-03-25 16:22:24,626 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 16:22:24,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 16:22:24,670 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:22:24,670 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 16:22:24,671 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:22:24,671 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 16:22:24,674 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:22:24,674 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-25 16:22:24,678 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:22:24,678 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-25 16:22:24,682 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 16:22:24,683 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [459057063] [2021-03-25 16:22:24,683 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 16:22:24,683 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-03-25 16:22:24,683 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2124128852] [2021-03-25 16:22:24,683 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-03-25 16:22:24,683 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 16:22:24,684 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-03-25 16:22:24,684 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-03-25 16:22:24,685 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 205 out of 264 [2021-03-25 16:22:24,686 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 92 places, 103 transitions, 236 flow. Second operand has 5 states, 5 states have (on average 206.2) internal successors, (1031), 5 states have internal predecessors, (1031), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 16:22:24,686 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 16:22:24,686 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 205 of 264 [2021-03-25 16:22:24,687 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 16:22:24,977 INFO L129 PetriNetUnfolder]: 611/2468 cut-off events. [2021-03-25 16:22:24,977 INFO L130 PetriNetUnfolder]: For 88/96 co-relation queries the response was YES. [2021-03-25 16:22:24,987 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3436 conditions, 2468 events. 611/2468 cut-off events. For 88/96 co-relation queries the response was YES. Maximal size of possible extension queue 109. Compared 21042 event pairs, 96 based on Foata normal form. 1090/3296 useless extension candidates. Maximal degree in co-relation 2053. Up to 365 conditions per place. [2021-03-25 16:22:24,998 INFO L132 encePairwiseOnDemand]: 245/264 looper letters, 42 selfloop transitions, 8 changer transitions 0/126 dead transitions. [2021-03-25 16:22:24,998 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 98 places, 126 transitions, 382 flow [2021-03-25 16:22:24,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-25 16:22:24,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-25 16:22:25,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 1762 transitions. [2021-03-25 16:22:25,002 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.834280303030303 [2021-03-25 16:22:25,002 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 1762 transitions. [2021-03-25 16:22:25,002 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 1762 transitions. [2021-03-25 16:22:25,003 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 16:22:25,003 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 1762 transitions. [2021-03-25 16:22:25,006 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 220.25) internal successors, (1762), 8 states have internal predecessors, (1762), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 16:22:25,010 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 264.0) internal successors, (2376), 9 states have internal predecessors, (2376), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 16:22:25,011 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 264.0) internal successors, (2376), 9 states have internal predecessors, (2376), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 16:22:25,011 INFO L185 Difference]: Start difference. First operand has 92 places, 103 transitions, 236 flow. Second operand 8 states and 1762 transitions. [2021-03-25 16:22:25,011 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 98 places, 126 transitions, 382 flow [2021-03-25 16:22:25,015 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 98 places, 126 transitions, 382 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-03-25 16:22:25,018 INFO L241 Difference]: Finished difference. Result has 103 places, 96 transitions, 267 flow [2021-03-25 16:22:25,018 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=264, PETRI_DIFFERENCE_MINUEND_FLOW=208, PETRI_DIFFERENCE_MINUEND_PLACES=91, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=89, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=84, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=267, PETRI_PLACES=103, PETRI_TRANSITIONS=96} [2021-03-25 16:22:25,019 INFO L343 CegarLoopForPetriNet]: 92 programPoint places, 11 predicate places. [2021-03-25 16:22:25,019 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 16:22:25,019 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 103 places, 96 transitions, 267 flow [2021-03-25 16:22:25,019 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 103 places, 96 transitions, 267 flow [2021-03-25 16:22:25,020 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 103 places, 96 transitions, 267 flow [2021-03-25 16:22:25,077 INFO L129 PetriNetUnfolder]: 57/673 cut-off events. [2021-03-25 16:22:25,078 INFO L130 PetriNetUnfolder]: For 114/126 co-relation queries the response was YES. [2021-03-25 16:22:25,080 INFO L84 FinitePrefix]: Finished finitePrefix Result has 830 conditions, 673 events. 57/673 cut-off events. For 114/126 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 3999 event pairs, 3 based on Foata normal form. 3/606 useless extension candidates. Maximal degree in co-relation 617. Up to 40 conditions per place. [2021-03-25 16:22:25,091 INFO L142 LiptonReduction]: Number of co-enabled transitions 4290 [2021-03-25 16:22:25,485 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 61 [2021-03-25 16:22:26,674 INFO L154 LiptonReduction]: Checked pairs total: 3534 [2021-03-25 16:22:26,675 INFO L156 LiptonReduction]: Total number of compositions: 26 [2021-03-25 16:22:26,675 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1656 [2021-03-25 16:22:26,676 INFO L480 AbstractCegarLoop]: Abstraction has has 82 places, 75 transitions, 227 flow [2021-03-25 16:22:26,676 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 206.2) internal successors, (1031), 5 states have internal predecessors, (1031), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 16:22:26,676 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 16:22:26,676 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 16:22:26,676 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-03-25 16:22:26,677 INFO L428 AbstractCegarLoop]: === Iteration 2 === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 16:22:26,677 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 16:22:26,677 INFO L82 PathProgramCache]: Analyzing trace with hash -2024482173, now seen corresponding path program 1 times [2021-03-25 16:22:26,677 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 16:22:26,677 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [16182323] [2021-03-25 16:22:26,677 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 16:22:26,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 16:22:26,715 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:22:26,716 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 16:22:26,717 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:22:26,717 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 16:22:26,720 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:22:26,720 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-25 16:22:26,724 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:22:26,724 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-25 16:22:26,729 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-03-25 16:22:26,729 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [16182323] [2021-03-25 16:22:26,729 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 16:22:26,730 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-03-25 16:22:26,730 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1762399588] [2021-03-25 16:22:26,731 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-03-25 16:22:26,731 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 16:22:26,731 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-03-25 16:22:26,731 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-03-25 16:22:26,733 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 220 out of 290 [2021-03-25 16:22:26,734 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 82 places, 75 transitions, 227 flow. Second operand has 5 states, 5 states have (on average 221.2) internal successors, (1106), 5 states have internal predecessors, (1106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 16:22:26,734 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 16:22:26,734 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 220 of 290 [2021-03-25 16:22:26,734 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 16:22:27,059 INFO L129 PetriNetUnfolder]: 634/2625 cut-off events. [2021-03-25 16:22:27,060 INFO L130 PetriNetUnfolder]: For 840/842 co-relation queries the response was YES. [2021-03-25 16:22:27,069 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4316 conditions, 2625 events. 634/2625 cut-off events. For 840/842 co-relation queries the response was YES. Maximal size of possible extension queue 87. Compared 22032 event pairs, 190 based on Foata normal form. 0/2259 useless extension candidates. Maximal degree in co-relation 2998. Up to 482 conditions per place. [2021-03-25 16:22:27,079 INFO L132 encePairwiseOnDemand]: 285/290 looper letters, 33 selfloop transitions, 14 changer transitions 0/106 dead transitions. [2021-03-25 16:22:27,080 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 88 places, 106 transitions, 441 flow [2021-03-25 16:22:27,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-25 16:22:27,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-25 16:22:27,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 1583 transitions. [2021-03-25 16:22:27,083 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7798029556650247 [2021-03-25 16:22:27,083 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 1583 transitions. [2021-03-25 16:22:27,083 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 1583 transitions. [2021-03-25 16:22:27,084 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 16:22:27,084 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 1583 transitions. [2021-03-25 16:22:27,087 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 226.14285714285714) internal successors, (1583), 7 states have internal predecessors, (1583), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 16:22:27,090 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 290.0) internal successors, (2320), 8 states have internal predecessors, (2320), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 16:22:27,092 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 290.0) internal successors, (2320), 8 states have internal predecessors, (2320), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 16:22:27,092 INFO L185 Difference]: Start difference. First operand has 82 places, 75 transitions, 227 flow. Second operand 7 states and 1583 transitions. [2021-03-25 16:22:27,092 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 88 places, 106 transitions, 441 flow [2021-03-25 16:22:27,097 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 88 places, 106 transitions, 435 flow, removed 3 selfloop flow, removed 0 redundant places. [2021-03-25 16:22:27,100 INFO L241 Difference]: Finished difference. Result has 91 places, 84 transitions, 313 flow [2021-03-25 16:22:27,100 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=290, PETRI_DIFFERENCE_MINUEND_FLOW=225, PETRI_DIFFERENCE_MINUEND_PLACES=82, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=75, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=69, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=313, PETRI_PLACES=91, PETRI_TRANSITIONS=84} [2021-03-25 16:22:27,101 INFO L343 CegarLoopForPetriNet]: 92 programPoint places, -1 predicate places. [2021-03-25 16:22:27,101 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 16:22:27,101 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 91 places, 84 transitions, 313 flow [2021-03-25 16:22:27,101 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 91 places, 84 transitions, 313 flow [2021-03-25 16:22:27,101 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 91 places, 84 transitions, 313 flow [2021-03-25 16:22:27,192 INFO L129 PetriNetUnfolder]: 138/1343 cut-off events. [2021-03-25 16:22:27,192 INFO L130 PetriNetUnfolder]: For 349/369 co-relation queries the response was YES. [2021-03-25 16:22:27,198 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1787 conditions, 1343 events. 138/1343 cut-off events. For 349/369 co-relation queries the response was YES. Maximal size of possible extension queue 47. Compared 10154 event pairs, 13 based on Foata normal form. 3/1188 useless extension candidates. Maximal degree in co-relation 1350. Up to 79 conditions per place. [2021-03-25 16:22:27,210 INFO L142 LiptonReduction]: Number of co-enabled transitions 2636 [2021-03-25 16:22:27,779 WARN L205 SmtUtils]: Spent 532.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 133 [2021-03-25 16:22:27,997 WARN L205 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2021-03-25 16:22:28,416 WARN L205 SmtUtils]: Spent 417.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 133 [2021-03-25 16:22:28,615 WARN L205 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2021-03-25 16:22:28,984 INFO L154 LiptonReduction]: Checked pairs total: 4846 [2021-03-25 16:22:28,984 INFO L156 LiptonReduction]: Total number of compositions: 13 [2021-03-25 16:22:28,985 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1884 [2021-03-25 16:22:28,985 INFO L480 AbstractCegarLoop]: Abstraction has has 88 places, 81 transitions, 309 flow [2021-03-25 16:22:28,986 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 221.2) internal successors, (1106), 5 states have internal predecessors, (1106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 16:22:28,986 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 16:22:28,986 INFO L263 CegarLoopForPetriNet]: trace histogram [3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 16:22:28,986 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-03-25 16:22:28,987 INFO L428 AbstractCegarLoop]: === Iteration 3 === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 16:22:28,987 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 16:22:28,987 INFO L82 PathProgramCache]: Analyzing trace with hash 759484302, now seen corresponding path program 1 times [2021-03-25 16:22:28,987 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 16:22:28,987 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [754969444] [2021-03-25 16:22:28,987 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 16:22:28,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 16:22:29,014 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:22:29,014 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 16:22:29,015 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:22:29,016 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 16:22:29,018 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:22:29,019 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-25 16:22:29,022 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2021-03-25 16:22:29,022 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [754969444] [2021-03-25 16:22:29,022 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 16:22:29,022 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-25 16:22:29,023 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [325721120] [2021-03-25 16:22:29,023 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-25 16:22:29,023 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 16:22:29,023 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-25 16:22:29,023 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-03-25 16:22:29,024 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 222 out of 303 [2021-03-25 16:22:29,025 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 88 places, 81 transitions, 309 flow. Second operand has 4 states, 4 states have (on average 223.0) internal successors, (892), 4 states have internal predecessors, (892), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 16:22:29,025 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 16:22:29,025 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 222 of 303 [2021-03-25 16:22:29,026 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 16:22:29,343 INFO L129 PetriNetUnfolder]: 670/3021 cut-off events. [2021-03-25 16:22:29,343 INFO L130 PetriNetUnfolder]: For 1635/2039 co-relation queries the response was YES. [2021-03-25 16:22:29,357 INFO L84 FinitePrefix]: Finished finitePrefix Result has 5358 conditions, 3021 events. 670/3021 cut-off events. For 1635/2039 co-relation queries the response was YES. Maximal size of possible extension queue 112. Compared 26859 event pairs, 305 based on Foata normal form. 7/2598 useless extension candidates. Maximal degree in co-relation 4069. Up to 508 conditions per place. [2021-03-25 16:22:29,372 INFO L132 encePairwiseOnDemand]: 294/303 looper letters, 27 selfloop transitions, 21 changer transitions 0/105 dead transitions. [2021-03-25 16:22:29,372 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 92 places, 105 transitions, 540 flow [2021-03-25 16:22:29,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-25 16:22:29,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-03-25 16:22:29,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1151 transitions. [2021-03-25 16:22:29,375 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7597359735973598 [2021-03-25 16:22:29,375 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 1151 transitions. [2021-03-25 16:22:29,375 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 1151 transitions. [2021-03-25 16:22:29,376 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 16:22:29,376 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1151 transitions. [2021-03-25 16:22:29,378 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 230.2) internal successors, (1151), 5 states have internal predecessors, (1151), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 16:22:29,380 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 303.0) internal successors, (1818), 6 states have internal predecessors, (1818), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 16:22:29,381 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 303.0) internal successors, (1818), 6 states have internal predecessors, (1818), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 16:22:29,381 INFO L185 Difference]: Start difference. First operand has 88 places, 81 transitions, 309 flow. Second operand 5 states and 1151 transitions. [2021-03-25 16:22:29,381 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 92 places, 105 transitions, 540 flow [2021-03-25 16:22:29,387 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 92 places, 105 transitions, 536 flow, removed 2 selfloop flow, removed 0 redundant places. [2021-03-25 16:22:29,389 INFO L241 Difference]: Finished difference. Result has 94 places, 92 transitions, 459 flow [2021-03-25 16:22:29,390 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=303, PETRI_DIFFERENCE_MINUEND_FLOW=307, PETRI_DIFFERENCE_MINUEND_PLACES=88, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=81, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=69, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=459, PETRI_PLACES=94, PETRI_TRANSITIONS=92} [2021-03-25 16:22:29,390 INFO L343 CegarLoopForPetriNet]: 92 programPoint places, 2 predicate places. [2021-03-25 16:22:29,390 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 16:22:29,390 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 94 places, 92 transitions, 459 flow [2021-03-25 16:22:29,390 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 94 places, 92 transitions, 459 flow [2021-03-25 16:22:29,391 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 94 places, 92 transitions, 459 flow [2021-03-25 16:22:29,486 INFO L129 PetriNetUnfolder]: 151/1489 cut-off events. [2021-03-25 16:22:29,486 INFO L130 PetriNetUnfolder]: For 681/716 co-relation queries the response was YES. [2021-03-25 16:22:29,492 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2093 conditions, 1489 events. 151/1489 cut-off events. For 681/716 co-relation queries the response was YES. Maximal size of possible extension queue 48. Compared 11726 event pairs, 32 based on Foata normal form. 3/1311 useless extension candidates. Maximal degree in co-relation 1542. Up to 128 conditions per place. [2021-03-25 16:22:29,505 INFO L142 LiptonReduction]: Number of co-enabled transitions 2586 [2021-03-25 16:22:29,884 INFO L154 LiptonReduction]: Checked pairs total: 5792 [2021-03-25 16:22:29,884 INFO L156 LiptonReduction]: Total number of compositions: 20 [2021-03-25 16:22:29,884 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 494 [2021-03-25 16:22:29,885 INFO L480 AbstractCegarLoop]: Abstraction has has 94 places, 92 transitions, 459 flow [2021-03-25 16:22:29,886 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 223.0) internal successors, (892), 4 states have internal predecessors, (892), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 16:22:29,886 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 16:22:29,886 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 16:22:29,886 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-03-25 16:22:29,886 INFO L428 AbstractCegarLoop]: === Iteration 4 === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 16:22:29,886 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 16:22:29,886 INFO L82 PathProgramCache]: Analyzing trace with hash 419190350, now seen corresponding path program 1 times [2021-03-25 16:22:29,886 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 16:22:29,887 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [659044242] [2021-03-25 16:22:29,887 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 16:22:29,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 16:22:29,909 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:22:29,909 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 16:22:29,915 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:22:29,915 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 16:22:29,918 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:22:29,919 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 16:22:29,925 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:22:29,925 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 16:22:29,925 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 16:22:29,926 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [659044242] [2021-03-25 16:22:29,926 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [463234746] [2021-03-25 16:22:29,926 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-25 16:22:30,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 16:22:30,013 INFO L263 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 4 conjunts are in the unsatisfiable core [2021-03-25 16:22:30,014 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-25 16:22:30,018 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:22:30,019 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 16:22:30,019 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:22:30,019 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 16:22:30,020 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:22:30,020 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 16:22:30,021 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:22:30,021 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 16:22:30,027 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:22:30,027 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 16:22:30,028 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:22:30,028 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 16:22:30,028 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:22:30,029 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 16:22:30,029 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:22:30,029 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 16:22:30,030 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:22:30,030 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 16:22:30,030 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:22:30,031 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 16:22:30,031 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:22:30,031 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 16:22:30,032 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:22:30,032 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 16:22:30,032 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:22:30,033 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 16:22:30,033 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:22:30,033 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 16:22:30,034 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:22:30,034 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 16:22:30,034 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:22:30,035 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 16:22:30,035 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:22:30,035 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 16:22:30,036 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:22:30,036 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 16:22:30,036 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:22:30,037 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 16:22:30,037 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:22:30,037 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 16:22:30,038 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:22:30,038 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 16:22:30,038 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:22:30,039 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 16:22:30,039 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:22:30,039 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 16:22:30,040 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:22:30,040 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 16:22:30,040 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:22:30,041 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 16:22:30,041 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:22:30,041 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 16:22:30,042 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:22:30,042 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 16:22:30,042 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:22:30,043 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 16:22:30,062 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:22:30,063 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 16:22:30,065 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:22:30,075 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 16:22:30,076 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:22:30,076 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 16:22:30,077 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-25 16:22:30,078 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:22:30,104 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 16:22:30,104 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:22:30,105 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 16:22:30,111 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:22:30,111 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 16:22:30,112 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:22:30,113 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 16:22:30,113 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:22:30,114 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 16:22:30,114 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 16:22:30,115 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:22:30,117 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 16:22:30,117 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:22:30,118 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 16:22:30,118 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:22:30,118 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 16:22:30,119 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:22:30,119 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 16:22:30,119 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:22:30,120 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 16:22:30,120 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:22:30,120 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 16:22:30,121 INFO L142 QuantifierPusher]: treesize reduction 7, result has 12.5 percent of original size [2021-03-25 16:22:30,122 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 16:22:30,122 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:22:30,122 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 16:22:30,123 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:22:30,123 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 16:22:30,128 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:22:30,129 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 16:22:30,129 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:22:30,129 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 16:22:30,130 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:22:30,130 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 16:22:30,130 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:22:30,131 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 16:22:30,131 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:22:30,131 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 16:22:30,132 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:22:30,132 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 16:22:30,132 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:22:30,133 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 16:22:30,133 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:22:30,133 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 16:22:30,134 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:22:30,137 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 16:22:30,138 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:22:30,138 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 16:22:30,139 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:22:30,139 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 16:22:30,139 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:22:30,139 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 16:22:30,140 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:22:30,140 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 16:22:30,140 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:22:30,141 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 16:22:30,141 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:22:30,142 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 16:22:30,143 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:22:30,144 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 16:22:30,144 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:22:30,144 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 16:22:30,145 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:22:30,146 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 16:22:30,147 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:22:30,147 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 16:22:30,148 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:22:30,149 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 16:22:30,149 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:22:30,149 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 16:22:30,149 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:22:30,150 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 16:22:30,150 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:22:30,150 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 16:22:30,151 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:22:30,151 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 16:22:30,151 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:22:30,151 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 16:22:30,152 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:22:30,152 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 16:22:30,152 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:22:30,153 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 16:22:30,153 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:22:30,156 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 16:22:30,157 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:22:30,157 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 16:22:30,157 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:22:30,158 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 16:22:30,158 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:22:30,158 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 16:22:30,175 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:22:30,176 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 16:22:30,176 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:22:30,177 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 16:22:30,177 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:22:30,177 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 16:22:30,178 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 16:22:30,178 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-25 16:22:30,178 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 6 [2021-03-25 16:22:30,178 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [593509901] [2021-03-25 16:22:30,178 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-25 16:22:30,178 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 16:22:30,179 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-25 16:22:30,179 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-03-25 16:22:30,180 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 265 out of 323 [2021-03-25 16:22:30,182 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 94 places, 92 transitions, 459 flow. Second operand has 7 states, 7 states have (on average 266.7142857142857) internal successors, (1867), 7 states have internal predecessors, (1867), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 16:22:30,182 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 16:22:30,182 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 265 of 323 [2021-03-25 16:22:30,182 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 16:22:30,463 INFO L129 PetriNetUnfolder]: 185/1815 cut-off events. [2021-03-25 16:22:30,464 INFO L130 PetriNetUnfolder]: For 706/740 co-relation queries the response was YES. [2021-03-25 16:22:30,472 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2520 conditions, 1815 events. 185/1815 cut-off events. For 706/740 co-relation queries the response was YES. Maximal size of possible extension queue 67. Compared 15735 event pairs, 35 based on Foata normal form. 2/1595 useless extension candidates. Maximal degree in co-relation 1805. Up to 136 conditions per place. [2021-03-25 16:22:30,477 INFO L132 encePairwiseOnDemand]: 318/323 looper letters, 11 selfloop transitions, 5 changer transitions 4/101 dead transitions. [2021-03-25 16:22:30,477 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 99 places, 101 transitions, 509 flow [2021-03-25 16:22:30,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-25 16:22:30,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-03-25 16:22:30,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1608 transitions. [2021-03-25 16:22:30,481 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8297213622291022 [2021-03-25 16:22:30,481 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1608 transitions. [2021-03-25 16:22:30,481 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1608 transitions. [2021-03-25 16:22:30,481 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 16:22:30,482 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1608 transitions. [2021-03-25 16:22:30,485 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 268.0) internal successors, (1608), 6 states have internal predecessors, (1608), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 16:22:30,488 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 323.0) internal successors, (2261), 7 states have internal predecessors, (2261), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 16:22:30,488 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 323.0) internal successors, (2261), 7 states have internal predecessors, (2261), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 16:22:30,488 INFO L185 Difference]: Start difference. First operand has 94 places, 92 transitions, 459 flow. Second operand 6 states and 1608 transitions. [2021-03-25 16:22:30,489 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 99 places, 101 transitions, 509 flow [2021-03-25 16:22:30,492 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 99 places, 101 transitions, 509 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-03-25 16:22:30,495 INFO L241 Difference]: Finished difference. Result has 102 places, 92 transitions, 451 flow [2021-03-25 16:22:30,496 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=323, PETRI_DIFFERENCE_MINUEND_FLOW=459, PETRI_DIFFERENCE_MINUEND_PLACES=94, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=92, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=88, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=451, PETRI_PLACES=102, PETRI_TRANSITIONS=92} [2021-03-25 16:22:30,496 INFO L343 CegarLoopForPetriNet]: 92 programPoint places, 10 predicate places. [2021-03-25 16:22:30,496 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 16:22:30,496 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 102 places, 92 transitions, 451 flow [2021-03-25 16:22:30,496 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 102 places, 92 transitions, 451 flow [2021-03-25 16:22:30,497 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 102 places, 92 transitions, 451 flow [2021-03-25 16:22:30,682 INFO L129 PetriNetUnfolder]: 165/1683 cut-off events. [2021-03-25 16:22:30,683 INFO L130 PetriNetUnfolder]: For 661/695 co-relation queries the response was YES. [2021-03-25 16:22:30,691 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2344 conditions, 1683 events. 165/1683 cut-off events. For 661/695 co-relation queries the response was YES. Maximal size of possible extension queue 63. Compared 14266 event pairs, 35 based on Foata normal form. 2/1479 useless extension candidates. Maximal degree in co-relation 1719. Up to 128 conditions per place. [2021-03-25 16:22:30,710 INFO L142 LiptonReduction]: Number of co-enabled transitions 2616 [2021-03-25 16:22:30,994 INFO L154 LiptonReduction]: Checked pairs total: 7408 [2021-03-25 16:22:30,995 INFO L156 LiptonReduction]: Total number of compositions: 4 [2021-03-25 16:22:30,995 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 499 [2021-03-25 16:22:30,996 INFO L480 AbstractCegarLoop]: Abstraction has has 100 places, 90 transitions, 447 flow [2021-03-25 16:22:30,996 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 266.7142857142857) internal successors, (1867), 7 states have internal predecessors, (1867), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 16:22:30,996 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 16:22:30,997 INFO L263 CegarLoopForPetriNet]: trace histogram [4, 4, 3, 3, 3, 3, 1, 1, 1, 1, 1] [2021-03-25 16:22:31,220 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2021-03-25 16:22:31,221 INFO L428 AbstractCegarLoop]: === Iteration 5 === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 16:22:31,221 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 16:22:31,221 INFO L82 PathProgramCache]: Analyzing trace with hash -283795414, now seen corresponding path program 1 times [2021-03-25 16:22:31,221 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 16:22:31,221 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1427076019] [2021-03-25 16:22:31,221 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 16:22:31,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-03-25 16:22:31,243 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-03-25 16:22:31,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-03-25 16:22:31,256 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-03-25 16:22:31,263 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-03-25 16:22:31,264 INFO L634 BasicCegarLoop]: Counterexample might be feasible [2021-03-25 16:22:31,264 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-03-25 16:22:31,264 WARN L342 ceAbstractionStarter]: 3 thread instances were not sufficient, I will increase this number and restart the analysis [2021-03-25 16:22:31,265 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 4 thread instances. [2021-03-25 16:22:31,279 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:22:31,279 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:22:31,279 WARN L313 ript$VariableManager]: TermVariabe t_funThread4of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:22:31,279 WARN L313 ript$VariableManager]: TermVariabe t_funThread4of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:22:31,279 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:22:31,279 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:22:31,280 WARN L313 ript$VariableManager]: TermVariabe t_funThread4of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:22:31,280 WARN L313 ript$VariableManager]: TermVariabe t_funThread4of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:22:31,280 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:22:31,280 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:22:31,280 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:22:31,280 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:22:31,280 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:22:31,280 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:22:31,280 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:22:31,280 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:22:31,280 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:22:31,284 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:22:31,284 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:22:31,284 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:22:31,284 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:22:31,284 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:22:31,284 WARN L313 ript$VariableManager]: TermVariabe t_funThread4of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:22:31,285 WARN L313 ript$VariableManager]: TermVariabe t_funThread4of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:22:31,285 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:22:31,285 WARN L313 ript$VariableManager]: TermVariabe t_funThread4of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:22:31,285 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:22:31,285 WARN L313 ript$VariableManager]: TermVariabe t_funThread4of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:22:31,285 WARN L313 ript$VariableManager]: TermVariabe t_funThread4of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:22:31,285 WARN L313 ript$VariableManager]: TermVariabe t_funThread4of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:22:31,285 WARN L313 ript$VariableManager]: TermVariabe t_funThread4of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:22:31,285 WARN L313 ript$VariableManager]: TermVariabe t_funThread4of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:22:31,285 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:22:31,285 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:22:31,285 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:22:31,286 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:22:31,286 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:22:31,286 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:22:31,286 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:22:31,286 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:22:31,286 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:22:31,286 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:22:31,286 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:22:31,286 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:22:31,286 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:22:31,286 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:22:31,286 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:22:31,286 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:22:31,286 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:22:31,286 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:22:31,287 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:22:31,287 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:22:31,287 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:22:31,287 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:22:31,287 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:22:31,288 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:22:31,288 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:22:31,288 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:22:31,288 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:22:31,288 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:22:31,288 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:22:31,288 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:22:31,288 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:22:31,288 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:22:31,289 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:22:31,289 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:22:31,289 WARN L313 ript$VariableManager]: TermVariabe t_funThread3of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:22:31,289 WARN L313 ript$VariableManager]: TermVariabe t_funThread3of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:22:31,289 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:22:31,289 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:22:31,289 WARN L313 ript$VariableManager]: TermVariabe t_funThread3of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:22:31,289 WARN L313 ript$VariableManager]: TermVariabe t_funThread3of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:22:31,289 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:22:31,289 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:22:31,289 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:22:31,289 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:22:31,289 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:22:31,289 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:22:31,289 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:22:31,290 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:22:31,290 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:22:31,290 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:22:31,290 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:22:31,290 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:22:31,290 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:22:31,290 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:22:31,290 WARN L313 ript$VariableManager]: TermVariabe t_funThread3of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:22:31,290 WARN L313 ript$VariableManager]: TermVariabe t_funThread3of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:22:31,290 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:22:31,290 WARN L313 ript$VariableManager]: TermVariabe t_funThread3of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:22:31,290 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:22:31,290 WARN L313 ript$VariableManager]: TermVariabe t_funThread3of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:22:31,290 WARN L313 ript$VariableManager]: TermVariabe t_funThread3of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:22:31,290 WARN L313 ript$VariableManager]: TermVariabe t_funThread3of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:22:31,290 WARN L313 ript$VariableManager]: TermVariabe t_funThread3of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:22:31,291 WARN L313 ript$VariableManager]: TermVariabe t_funThread3of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:22:31,291 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:22:31,291 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:22:31,291 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:22:31,291 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:22:31,291 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:22:31,291 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:22:31,291 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:22:31,291 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:22:31,291 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:22:31,291 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:22:31,291 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:22:31,291 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:22:31,291 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:22:31,292 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:22:31,292 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:22:31,292 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:22:31,292 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:22:31,292 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:22:31,292 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:22:31,292 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:22:31,292 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:22:31,292 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:22:31,292 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:22:31,292 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:22:31,292 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:22:31,292 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:22:31,292 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:22:31,292 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:22:31,292 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:22:31,293 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:22:31,293 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:22:31,293 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:22:31,293 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:22:31,293 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:22:31,293 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:22:31,294 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:22:31,294 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:22:31,294 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:22:31,294 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:22:31,294 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:22:31,295 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:22:31,295 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:22:31,295 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:22:31,295 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:22:31,295 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:22:31,295 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:22:31,295 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:22:31,295 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:22:31,296 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:22:31,296 WARN L313 ript$VariableManager]: TermVariabe t_funThread3of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:22:31,297 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:22:31,297 WARN L313 ript$VariableManager]: TermVariabe t_funThread3of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:22:31,297 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:22:31,297 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:22:31,297 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:22:31,297 WARN L313 ript$VariableManager]: TermVariabe t_funThread3of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:22:31,298 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:22:31,298 WARN L313 ript$VariableManager]: TermVariabe t_funThread4of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:22:31,298 WARN L313 ript$VariableManager]: TermVariabe t_funThread4of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:22:31,298 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:22:31,298 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:22:31,298 WARN L313 ript$VariableManager]: TermVariabe t_funThread4of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:22:31,298 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:22:31,298 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:22:31,304 INFO L149 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2021-03-25 16:22:31,305 INFO L253 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2021-03-25 16:22:31,305 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-03-25 16:22:31,305 INFO L377 AbstractCegarLoop]: Hoare is false [2021-03-25 16:22:31,305 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-03-25 16:22:31,306 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-03-25 16:22:31,306 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-03-25 16:22:31,306 INFO L381 AbstractCegarLoop]: Difference is false [2021-03-25 16:22:31,306 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-03-25 16:22:31,306 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-03-25 16:22:31,307 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 176 places, 194 transitions, 432 flow [2021-03-25 16:22:31,357 INFO L129 PetriNetUnfolder]: 99/657 cut-off events. [2021-03-25 16:22:31,357 INFO L130 PetriNetUnfolder]: For 48/48 co-relation queries the response was YES. [2021-03-25 16:22:31,362 INFO L84 FinitePrefix]: Finished finitePrefix Result has 712 conditions, 657 events. 99/657 cut-off events. For 48/48 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 3038 event pairs, 6 based on Foata normal form. 0/554 useless extension candidates. Maximal degree in co-relation 470. Up to 32 conditions per place. [2021-03-25 16:22:31,362 INFO L82 GeneralOperation]: Start removeDead. Operand has 176 places, 194 transitions, 432 flow [2021-03-25 16:22:31,369 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 176 places, 194 transitions, 432 flow [2021-03-25 16:22:31,370 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 16:22:31,370 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 176 places, 194 transitions, 432 flow [2021-03-25 16:22:31,370 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 176 places, 194 transitions, 432 flow [2021-03-25 16:22:31,371 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 176 places, 194 transitions, 432 flow [2021-03-25 16:22:31,419 INFO L129 PetriNetUnfolder]: 99/657 cut-off events. [2021-03-25 16:22:31,419 INFO L130 PetriNetUnfolder]: For 48/48 co-relation queries the response was YES. [2021-03-25 16:22:31,424 INFO L84 FinitePrefix]: Finished finitePrefix Result has 712 conditions, 657 events. 99/657 cut-off events. For 48/48 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 3055 event pairs, 6 based on Foata normal form. 0/554 useless extension candidates. Maximal degree in co-relation 470. Up to 32 conditions per place. [2021-03-25 16:22:31,439 INFO L142 LiptonReduction]: Number of co-enabled transitions 17680 [2021-03-25 16:22:33,982 INFO L154 LiptonReduction]: Checked pairs total: 8285 [2021-03-25 16:22:33,983 INFO L156 LiptonReduction]: Total number of compositions: 96 [2021-03-25 16:22:33,983 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2613 [2021-03-25 16:22:33,987 INFO L129 PetriNetUnfolder]: 9/66 cut-off events. [2021-03-25 16:22:33,987 INFO L130 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2021-03-25 16:22:33,988 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 16:22:33,988 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 16:22:33,988 INFO L428 AbstractCegarLoop]: === Iteration 1 === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 16:22:33,988 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 16:22:33,988 INFO L82 PathProgramCache]: Analyzing trace with hash 1676363699, now seen corresponding path program 1 times [2021-03-25 16:22:33,988 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 16:22:33,988 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [499114764] [2021-03-25 16:22:33,988 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 16:22:33,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 16:22:34,031 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:22:34,031 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 16:22:34,033 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:22:34,033 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 16:22:34,036 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:22:34,036 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-25 16:22:34,039 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:22:34,041 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-25 16:22:34,045 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 16:22:34,045 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [499114764] [2021-03-25 16:22:34,045 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 16:22:34,045 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-03-25 16:22:34,045 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2061140074] [2021-03-25 16:22:34,046 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-03-25 16:22:34,046 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 16:22:34,046 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-03-25 16:22:34,046 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-03-25 16:22:34,048 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 226 out of 290 [2021-03-25 16:22:34,049 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 108 places, 123 transitions, 290 flow. Second operand has 5 states, 5 states have (on average 227.2) internal successors, (1136), 5 states have internal predecessors, (1136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 16:22:34,049 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 16:22:34,049 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 226 of 290 [2021-03-25 16:22:34,049 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 16:22:34,744 INFO L129 PetriNetUnfolder]: 1682/6163 cut-off events. [2021-03-25 16:22:34,744 INFO L130 PetriNetUnfolder]: For 336/357 co-relation queries the response was YES. [2021-03-25 16:22:34,777 INFO L84 FinitePrefix]: Finished finitePrefix Result has 8661 conditions, 6163 events. 1682/6163 cut-off events. For 336/357 co-relation queries the response was YES. Maximal size of possible extension queue 236. Compared 61229 event pairs, 256 based on Foata normal form. 3450/8991 useless extension candidates. Maximal degree in co-relation 5077. Up to 901 conditions per place. [2021-03-25 16:22:34,810 INFO L132 encePairwiseOnDemand]: 266/290 looper letters, 49 selfloop transitions, 8 changer transitions 0/145 dead transitions. [2021-03-25 16:22:34,810 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 112 places, 145 transitions, 448 flow [2021-03-25 16:22:34,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-25 16:22:34,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-25 16:22:34,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 1968 transitions. [2021-03-25 16:22:34,814 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8482758620689655 [2021-03-25 16:22:34,815 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 1968 transitions. [2021-03-25 16:22:34,815 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 1968 transitions. [2021-03-25 16:22:34,816 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 16:22:34,816 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 1968 transitions. [2021-03-25 16:22:34,819 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 246.0) internal successors, (1968), 8 states have internal predecessors, (1968), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 16:22:34,822 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 290.0) internal successors, (2610), 9 states have internal predecessors, (2610), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 16:22:34,823 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 290.0) internal successors, (2610), 9 states have internal predecessors, (2610), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 16:22:34,823 INFO L185 Difference]: Start difference. First operand has 108 places, 123 transitions, 290 flow. Second operand 8 states and 1968 transitions. [2021-03-25 16:22:34,824 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 112 places, 145 transitions, 448 flow [2021-03-25 16:22:34,826 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 112 places, 145 transitions, 448 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-03-25 16:22:34,828 INFO L241 Difference]: Finished difference. Result has 117 places, 109 transitions, 307 flow [2021-03-25 16:22:34,828 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=290, PETRI_DIFFERENCE_MINUEND_FLOW=248, PETRI_DIFFERENCE_MINUEND_PLACES=105, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=102, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=97, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=307, PETRI_PLACES=117, PETRI_TRANSITIONS=109} [2021-03-25 16:22:34,828 INFO L343 CegarLoopForPetriNet]: 108 programPoint places, 9 predicate places. [2021-03-25 16:22:34,828 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 16:22:34,828 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 117 places, 109 transitions, 307 flow [2021-03-25 16:22:34,828 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 117 places, 109 transitions, 307 flow [2021-03-25 16:22:34,829 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 117 places, 109 transitions, 307 flow [2021-03-25 16:22:34,893 INFO L129 PetriNetUnfolder]: 95/927 cut-off events. [2021-03-25 16:22:34,894 INFO L130 PetriNetUnfolder]: For 187/204 co-relation queries the response was YES. [2021-03-25 16:22:34,898 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1167 conditions, 927 events. 95/927 cut-off events. For 187/204 co-relation queries the response was YES. Maximal size of possible extension queue 26. Compared 5905 event pairs, 18 based on Foata normal form. 4/837 useless extension candidates. Maximal degree in co-relation 989. Up to 96 conditions per place. [2021-03-25 16:22:34,911 INFO L142 LiptonReduction]: Number of co-enabled transitions 6320 [2021-03-25 16:22:36,639 INFO L154 LiptonReduction]: Checked pairs total: 6965 [2021-03-25 16:22:36,639 INFO L156 LiptonReduction]: Total number of compositions: 37 [2021-03-25 16:22:36,639 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1811 [2021-03-25 16:22:36,640 INFO L480 AbstractCegarLoop]: Abstraction has has 91 places, 83 transitions, 257 flow [2021-03-25 16:22:36,640 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 227.2) internal successors, (1136), 5 states have internal predecessors, (1136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 16:22:36,640 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 16:22:36,641 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 16:22:36,641 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-03-25 16:22:36,641 INFO L428 AbstractCegarLoop]: === Iteration 2 === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 16:22:36,641 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 16:22:36,641 INFO L82 PathProgramCache]: Analyzing trace with hash 1412215293, now seen corresponding path program 1 times [2021-03-25 16:22:36,641 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 16:22:36,641 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1523757939] [2021-03-25 16:22:36,641 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 16:22:36,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 16:22:36,663 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:22:36,664 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 16:22:36,664 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:22:36,665 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 16:22:36,667 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:22:36,668 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-25 16:22:36,671 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:22:36,672 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-25 16:22:36,676 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-03-25 16:22:36,676 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1523757939] [2021-03-25 16:22:36,676 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 16:22:36,676 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-03-25 16:22:36,676 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1710522188] [2021-03-25 16:22:36,677 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-03-25 16:22:36,677 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 16:22:36,677 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-03-25 16:22:36,677 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-03-25 16:22:36,678 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 248 out of 327 [2021-03-25 16:22:36,679 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 91 places, 83 transitions, 257 flow. Second operand has 5 states, 5 states have (on average 249.2) internal successors, (1246), 5 states have internal predecessors, (1246), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 16:22:36,679 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 16:22:36,680 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 248 of 327 [2021-03-25 16:22:36,680 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 16:22:37,710 INFO L129 PetriNetUnfolder]: 2870/9877 cut-off events. [2021-03-25 16:22:37,711 INFO L130 PetriNetUnfolder]: For 2952/3090 co-relation queries the response was YES. [2021-03-25 16:22:37,753 INFO L84 FinitePrefix]: Finished finitePrefix Result has 16132 conditions, 9877 events. 2870/9877 cut-off events. For 2952/3090 co-relation queries the response was YES. Maximal size of possible extension queue 343. Compared 103045 event pairs, 930 based on Foata normal form. 0/8329 useless extension candidates. Maximal degree in co-relation 10851. Up to 1649 conditions per place. [2021-03-25 16:22:37,796 INFO L132 encePairwiseOnDemand]: 317/327 looper letters, 46 selfloop transitions, 24 changer transitions 0/135 dead transitions. [2021-03-25 16:22:37,797 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 97 places, 135 transitions, 583 flow [2021-03-25 16:22:37,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-25 16:22:37,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-25 16:22:37,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 1805 transitions. [2021-03-25 16:22:37,801 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7885539536915683 [2021-03-25 16:22:37,801 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 1805 transitions. [2021-03-25 16:22:37,801 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 1805 transitions. [2021-03-25 16:22:37,802 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 16:22:37,802 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 1805 transitions. [2021-03-25 16:22:37,804 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 257.85714285714283) internal successors, (1805), 7 states have internal predecessors, (1805), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 16:22:37,808 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 327.0) internal successors, (2616), 8 states have internal predecessors, (2616), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 16:22:37,808 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 327.0) internal successors, (2616), 8 states have internal predecessors, (2616), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 16:22:37,809 INFO L185 Difference]: Start difference. First operand has 91 places, 83 transitions, 257 flow. Second operand 7 states and 1805 transitions. [2021-03-25 16:22:37,809 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 97 places, 135 transitions, 583 flow [2021-03-25 16:22:37,817 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 97 places, 135 transitions, 577 flow, removed 3 selfloop flow, removed 0 redundant places. [2021-03-25 16:22:37,819 INFO L241 Difference]: Finished difference. Result has 103 places, 102 transitions, 459 flow [2021-03-25 16:22:37,819 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=327, PETRI_DIFFERENCE_MINUEND_FLOW=255, PETRI_DIFFERENCE_MINUEND_PLACES=91, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=83, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=74, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=459, PETRI_PLACES=103, PETRI_TRANSITIONS=102} [2021-03-25 16:22:37,819 INFO L343 CegarLoopForPetriNet]: 108 programPoint places, -5 predicate places. [2021-03-25 16:22:37,819 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 16:22:37,819 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 103 places, 102 transitions, 459 flow [2021-03-25 16:22:37,819 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 103 places, 102 transitions, 459 flow [2021-03-25 16:22:37,820 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 103 places, 102 transitions, 459 flow [2021-03-25 16:22:38,091 INFO L129 PetriNetUnfolder]: 568/3448 cut-off events. [2021-03-25 16:22:38,091 INFO L130 PetriNetUnfolder]: For 3572/4056 co-relation queries the response was YES. [2021-03-25 16:22:38,110 INFO L84 FinitePrefix]: Finished finitePrefix Result has 6036 conditions, 3448 events. 568/3448 cut-off events. For 3572/4056 co-relation queries the response was YES. Maximal size of possible extension queue 129. Compared 32103 event pairs, 214 based on Foata normal form. 16/2978 useless extension candidates. Maximal degree in co-relation 4510. Up to 408 conditions per place. [2021-03-25 16:22:38,157 INFO L142 LiptonReduction]: Number of co-enabled transitions 4274 [2021-03-25 16:22:39,337 WARN L205 SmtUtils]: Spent 505.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 133 [2021-03-25 16:22:39,528 WARN L205 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2021-03-25 16:22:39,970 WARN L205 SmtUtils]: Spent 440.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 133 [2021-03-25 16:22:40,180 WARN L205 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2021-03-25 16:22:40,869 INFO L154 LiptonReduction]: Checked pairs total: 8066 [2021-03-25 16:22:40,869 INFO L156 LiptonReduction]: Total number of compositions: 19 [2021-03-25 16:22:40,869 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 3050 [2021-03-25 16:22:40,870 INFO L480 AbstractCegarLoop]: Abstraction has has 100 places, 99 transitions, 453 flow [2021-03-25 16:22:40,870 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 249.2) internal successors, (1246), 5 states have internal predecessors, (1246), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 16:22:40,870 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 16:22:40,870 INFO L263 CegarLoopForPetriNet]: trace histogram [3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 16:22:40,870 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-03-25 16:22:40,870 INFO L428 AbstractCegarLoop]: === Iteration 3 === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 16:22:40,871 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 16:22:40,871 INFO L82 PathProgramCache]: Analyzing trace with hash -1831819983, now seen corresponding path program 1 times [2021-03-25 16:22:40,871 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 16:22:40,871 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1556617521] [2021-03-25 16:22:40,871 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 16:22:40,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 16:22:40,903 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:22:40,904 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 16:22:40,905 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:22:40,905 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 16:22:40,908 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:22:40,908 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-25 16:22:40,911 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2021-03-25 16:22:40,911 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1556617521] [2021-03-25 16:22:40,911 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 16:22:40,912 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-25 16:22:40,912 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [125747966] [2021-03-25 16:22:40,912 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-25 16:22:40,912 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 16:22:40,912 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-25 16:22:40,913 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-03-25 16:22:40,914 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 254 out of 346 [2021-03-25 16:22:40,914 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 100 places, 99 transitions, 453 flow. Second operand has 4 states, 4 states have (on average 255.0) internal successors, (1020), 4 states have internal predecessors, (1020), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 16:22:40,915 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 16:22:40,915 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 254 of 346 [2021-03-25 16:22:40,915 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 16:22:42,638 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1372] L702-3-->L702-5: Formula: (= v_~glob~0_211 (+ |v_ULTIMATE.start_bar_#t~post10_120| 1)) InVars {ULTIMATE.start_bar_#t~post10=|v_ULTIMATE.start_bar_#t~post10_120|} OutVars{~glob~0=v_~glob~0_211, ULTIMATE.start_bar_#t~post10=|v_ULTIMATE.start_bar_#t~post10_119|} AuxVars[] AssignedVars[~glob~0, ULTIMATE.start_bar_#t~post10][99], [128#t_funErr0ASSERT_VIOLATIONERROR_FUNCTIONtrue, Black: 182#(= ~glob~0 0), Black: 186#(and (= ~glob~0 0) (not (= |t_funThread1of4ForFork0___VERIFIER_assert_#in~cond| 0))), Black: 188#(and (not (= t_funThread1of4ForFork0___VERIFIER_assert_~cond 0)) (= ~glob~0 0) (not (= |t_funThread1of4ForFork0___VERIFIER_assert_#in~cond| 0))), Black: 190#(and (not (= t_funThread1of4ForFork0___VERIFIER_assert_~cond 0)) (not (= |t_funThread1of4ForFork0___VERIFIER_assert_#in~cond| 0))), 68#L702-5true, 197#true, 76#t_funErr0ASSERT_VIOLATIONERROR_FUNCTIONtrue, t_funThread1of4ForFork0InUse, t_funThread2of4ForFork0InUse, t_funThread3of4ForFork0InUse, t_funThread4of4ForFork0NotInUse, Black: 199#(= ~glob~0 0), Black: 200#(not (= |t_funThread2of4ForFork0___VERIFIER_assert_#in~cond| 0)), Black: 203#(and (not (= |t_funThread2of4ForFork0___VERIFIER_assert_#in~cond| 0)) (= ~glob~0 0)), 180#true, Black: 205#(and (not (= t_funThread2of4ForFork0___VERIFIER_assert_~cond 0)) (not (= |t_funThread2of4ForFork0___VERIFIER_assert_#in~cond| 0)) (= ~glob~0 0)), Black: 207#(and (not (= t_funThread2of4ForFork0___VERIFIER_assert_~cond 0)) (not (= |t_funThread2of4ForFork0___VERIFIER_assert_#in~cond| 0))), 215#true, 59#t_funErr0ASSERT_VIOLATIONERROR_FUNCTIONtrue]) [2021-03-25 16:22:42,639 INFO L384 tUnfolder$Statistics]: this new event has 85 ancestors and is cut-off event [2021-03-25 16:22:42,639 INFO L387 tUnfolder$Statistics]: existing Event has 65 ancestors and is cut-off event [2021-03-25 16:22:42,639 INFO L387 tUnfolder$Statistics]: existing Event has 85 ancestors and is cut-off event [2021-03-25 16:22:42,639 INFO L387 tUnfolder$Statistics]: existing Event has 65 ancestors and is cut-off event [2021-03-25 16:22:42,639 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1372] L702-3-->L702-5: Formula: (= v_~glob~0_211 (+ |v_ULTIMATE.start_bar_#t~post10_120| 1)) InVars {ULTIMATE.start_bar_#t~post10=|v_ULTIMATE.start_bar_#t~post10_120|} OutVars{~glob~0=v_~glob~0_211, ULTIMATE.start_bar_#t~post10=|v_ULTIMATE.start_bar_#t~post10_119|} AuxVars[] AssignedVars[~glob~0, ULTIMATE.start_bar_#t~post10][99], [Black: 182#(= ~glob~0 0), Black: 186#(and (= ~glob~0 0) (not (= |t_funThread1of4ForFork0___VERIFIER_assert_#in~cond| 0))), Black: 188#(and (not (= t_funThread1of4ForFork0___VERIFIER_assert_~cond 0)) (= ~glob~0 0) (not (= |t_funThread1of4ForFork0___VERIFIER_assert_#in~cond| 0))), Black: 190#(and (not (= t_funThread1of4ForFork0___VERIFIER_assert_~cond 0)) (not (= |t_funThread1of4ForFork0___VERIFIER_assert_#in~cond| 0))), 68#L702-5true, 197#true, 76#t_funErr0ASSERT_VIOLATIONERROR_FUNCTIONtrue, t_funThread1of4ForFork0InUse, t_funThread2of4ForFork0InUse, t_funThread3of4ForFork0InUse, t_funThread4of4ForFork0NotInUse, Black: 199#(= ~glob~0 0), Black: 200#(not (= |t_funThread2of4ForFork0___VERIFIER_assert_#in~cond| 0)), 180#true, Black: 203#(and (not (= |t_funThread2of4ForFork0___VERIFIER_assert_#in~cond| 0)) (= ~glob~0 0)), Black: 205#(and (not (= t_funThread2of4ForFork0___VERIFIER_assert_~cond 0)) (not (= |t_funThread2of4ForFork0___VERIFIER_assert_#in~cond| 0)) (= ~glob~0 0)), Black: 207#(and (not (= t_funThread2of4ForFork0___VERIFIER_assert_~cond 0)) (not (= |t_funThread2of4ForFork0___VERIFIER_assert_#in~cond| 0))), 215#true, 59#t_funErr0ASSERT_VIOLATIONERROR_FUNCTIONtrue, 155#L685true]) [2021-03-25 16:22:42,639 INFO L384 tUnfolder$Statistics]: this new event has 85 ancestors and is cut-off event [2021-03-25 16:22:42,639 INFO L387 tUnfolder$Statistics]: existing Event has 65 ancestors and is cut-off event [2021-03-25 16:22:42,639 INFO L387 tUnfolder$Statistics]: existing Event has 65 ancestors and is cut-off event [2021-03-25 16:22:42,639 INFO L387 tUnfolder$Statistics]: existing Event has 85 ancestors and is cut-off event [2021-03-25 16:22:42,748 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1372] L702-3-->L702-5: Formula: (= v_~glob~0_211 (+ |v_ULTIMATE.start_bar_#t~post10_120| 1)) InVars {ULTIMATE.start_bar_#t~post10=|v_ULTIMATE.start_bar_#t~post10_120|} OutVars{~glob~0=v_~glob~0_211, ULTIMATE.start_bar_#t~post10=|v_ULTIMATE.start_bar_#t~post10_119|} AuxVars[] AssignedVars[~glob~0, ULTIMATE.start_bar_#t~post10][131], [Black: 182#(= ~glob~0 0), Black: 186#(and (= ~glob~0 0) (not (= |t_funThread1of4ForFork0___VERIFIER_assert_#in~cond| 0))), Black: 188#(and (not (= t_funThread1of4ForFork0___VERIFIER_assert_~cond 0)) (= ~glob~0 0) (not (= |t_funThread1of4ForFork0___VERIFIER_assert_#in~cond| 0))), Black: 190#(and (not (= t_funThread1of4ForFork0___VERIFIER_assert_~cond 0)) (not (= |t_funThread1of4ForFork0___VERIFIER_assert_#in~cond| 0))), 68#L702-5true, 197#true, 76#t_funErr0ASSERT_VIOLATIONERROR_FUNCTIONtrue, t_funThread1of4ForFork0InUse, t_funThread2of4ForFork0InUse, t_funThread3of4ForFork0InUse, t_funThread4of4ForFork0NotInUse, Black: 199#(= ~glob~0 0), 50#L708-4true, Black: 200#(not (= |t_funThread2of4ForFork0___VERIFIER_assert_#in~cond| 0)), Black: 203#(and (not (= |t_funThread2of4ForFork0___VERIFIER_assert_#in~cond| 0)) (= ~glob~0 0)), 180#true, Black: 205#(and (not (= t_funThread2of4ForFork0___VERIFIER_assert_~cond 0)) (not (= |t_funThread2of4ForFork0___VERIFIER_assert_#in~cond| 0)) (= ~glob~0 0)), Black: 207#(and (not (= t_funThread2of4ForFork0___VERIFIER_assert_~cond 0)) (not (= |t_funThread2of4ForFork0___VERIFIER_assert_#in~cond| 0))), 218#(not (= |t_funThread3of4ForFork0___VERIFIER_assert_#in~cond| 0)), 59#t_funErr0ASSERT_VIOLATIONERROR_FUNCTIONtrue]) [2021-03-25 16:22:42,748 INFO L384 tUnfolder$Statistics]: this new event has 86 ancestors and is cut-off event [2021-03-25 16:22:42,748 INFO L387 tUnfolder$Statistics]: existing Event has 86 ancestors and is cut-off event [2021-03-25 16:22:42,748 INFO L387 tUnfolder$Statistics]: existing Event has 66 ancestors and is cut-off event [2021-03-25 16:22:42,748 INFO L387 tUnfolder$Statistics]: existing Event has 66 ancestors and is cut-off event [2021-03-25 16:22:42,811 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1372] L702-3-->L702-5: Formula: (= v_~glob~0_211 (+ |v_ULTIMATE.start_bar_#t~post10_120| 1)) InVars {ULTIMATE.start_bar_#t~post10=|v_ULTIMATE.start_bar_#t~post10_120|} OutVars{~glob~0=v_~glob~0_211, ULTIMATE.start_bar_#t~post10=|v_ULTIMATE.start_bar_#t~post10_119|} AuxVars[] AssignedVars[~glob~0, ULTIMATE.start_bar_#t~post10][99], [128#t_funErr0ASSERT_VIOLATIONERROR_FUNCTIONtrue, Black: 182#(= ~glob~0 0), Black: 186#(and (= ~glob~0 0) (not (= |t_funThread1of4ForFork0___VERIFIER_assert_#in~cond| 0))), Black: 188#(and (not (= t_funThread1of4ForFork0___VERIFIER_assert_~cond 0)) (= ~glob~0 0) (not (= |t_funThread1of4ForFork0___VERIFIER_assert_#in~cond| 0))), 68#L702-5true, Black: 190#(and (not (= t_funThread1of4ForFork0___VERIFIER_assert_~cond 0)) (not (= |t_funThread1of4ForFork0___VERIFIER_assert_#in~cond| 0))), 197#true, 76#t_funErr0ASSERT_VIOLATIONERROR_FUNCTIONtrue, t_funThread1of4ForFork0InUse, t_funThread2of4ForFork0InUse, t_funThread3of4ForFork0InUse, Black: 199#(= ~glob~0 0), t_funThread4of4ForFork0InUse, Black: 200#(not (= |t_funThread2of4ForFork0___VERIFIER_assert_#in~cond| 0)), 180#true, Black: 203#(and (not (= |t_funThread2of4ForFork0___VERIFIER_assert_#in~cond| 0)) (= ~glob~0 0)), Black: 205#(and (not (= t_funThread2of4ForFork0___VERIFIER_assert_~cond 0)) (not (= |t_funThread2of4ForFork0___VERIFIER_assert_#in~cond| 0)) (= ~glob~0 0)), Black: 207#(and (not (= t_funThread2of4ForFork0___VERIFIER_assert_~cond 0)) (not (= |t_funThread2of4ForFork0___VERIFIER_assert_#in~cond| 0))), 215#true, 25#t_funENTRYtrue, 59#t_funErr0ASSERT_VIOLATIONERROR_FUNCTIONtrue]) [2021-03-25 16:22:42,811 INFO L384 tUnfolder$Statistics]: this new event has 92 ancestors and is cut-off event [2021-03-25 16:22:42,811 INFO L387 tUnfolder$Statistics]: existing Event has 92 ancestors and is cut-off event [2021-03-25 16:22:42,811 INFO L387 tUnfolder$Statistics]: existing Event has 72 ancestors and is cut-off event [2021-03-25 16:22:42,811 INFO L387 tUnfolder$Statistics]: existing Event has 72 ancestors and is cut-off event [2021-03-25 16:22:42,812 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1372] L702-3-->L702-5: Formula: (= v_~glob~0_211 (+ |v_ULTIMATE.start_bar_#t~post10_120| 1)) InVars {ULTIMATE.start_bar_#t~post10=|v_ULTIMATE.start_bar_#t~post10_120|} OutVars{~glob~0=v_~glob~0_211, ULTIMATE.start_bar_#t~post10=|v_ULTIMATE.start_bar_#t~post10_119|} AuxVars[] AssignedVars[~glob~0, ULTIMATE.start_bar_#t~post10][99], [Black: 182#(= ~glob~0 0), Black: 186#(and (= ~glob~0 0) (not (= |t_funThread1of4ForFork0___VERIFIER_assert_#in~cond| 0))), Black: 188#(and (not (= t_funThread1of4ForFork0___VERIFIER_assert_~cond 0)) (= ~glob~0 0) (not (= |t_funThread1of4ForFork0___VERIFIER_assert_#in~cond| 0))), Black: 190#(and (not (= t_funThread1of4ForFork0___VERIFIER_assert_~cond 0)) (not (= |t_funThread1of4ForFork0___VERIFIER_assert_#in~cond| 0))), 68#L702-5true, 197#true, 76#t_funErr0ASSERT_VIOLATIONERROR_FUNCTIONtrue, t_funThread1of4ForFork0InUse, t_funThread2of4ForFork0InUse, t_funThread3of4ForFork0InUse, Black: 199#(= ~glob~0 0), t_funThread4of4ForFork0InUse, Black: 200#(not (= |t_funThread2of4ForFork0___VERIFIER_assert_#in~cond| 0)), 180#true, Black: 203#(and (not (= |t_funThread2of4ForFork0___VERIFIER_assert_#in~cond| 0)) (= ~glob~0 0)), Black: 205#(and (not (= t_funThread2of4ForFork0___VERIFIER_assert_~cond 0)) (not (= |t_funThread2of4ForFork0___VERIFIER_assert_#in~cond| 0)) (= ~glob~0 0)), Black: 207#(and (not (= t_funThread2of4ForFork0___VERIFIER_assert_~cond 0)) (not (= |t_funThread2of4ForFork0___VERIFIER_assert_#in~cond| 0))), 215#true, 25#t_funENTRYtrue, 155#L685true, 59#t_funErr0ASSERT_VIOLATIONERROR_FUNCTIONtrue]) [2021-03-25 16:22:42,812 INFO L384 tUnfolder$Statistics]: this new event has 92 ancestors and is cut-off event [2021-03-25 16:22:42,812 INFO L387 tUnfolder$Statistics]: existing Event has 72 ancestors and is cut-off event [2021-03-25 16:22:42,812 INFO L387 tUnfolder$Statistics]: existing Event has 92 ancestors and is cut-off event [2021-03-25 16:22:42,812 INFO L387 tUnfolder$Statistics]: existing Event has 72 ancestors and is cut-off event [2021-03-25 16:22:42,823 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1372] L702-3-->L702-5: Formula: (= v_~glob~0_211 (+ |v_ULTIMATE.start_bar_#t~post10_120| 1)) InVars {ULTIMATE.start_bar_#t~post10=|v_ULTIMATE.start_bar_#t~post10_120|} OutVars{~glob~0=v_~glob~0_211, ULTIMATE.start_bar_#t~post10=|v_ULTIMATE.start_bar_#t~post10_119|} AuxVars[] AssignedVars[~glob~0, ULTIMATE.start_bar_#t~post10][131], [Black: 182#(= ~glob~0 0), Black: 186#(and (= ~glob~0 0) (not (= |t_funThread1of4ForFork0___VERIFIER_assert_#in~cond| 0))), Black: 188#(and (not (= t_funThread1of4ForFork0___VERIFIER_assert_~cond 0)) (= ~glob~0 0) (not (= |t_funThread1of4ForFork0___VERIFIER_assert_#in~cond| 0))), 68#L702-5true, Black: 190#(and (not (= t_funThread1of4ForFork0___VERIFIER_assert_~cond 0)) (not (= |t_funThread1of4ForFork0___VERIFIER_assert_#in~cond| 0))), 197#true, 76#t_funErr0ASSERT_VIOLATIONERROR_FUNCTIONtrue, t_funThread1of4ForFork0InUse, t_funThread2of4ForFork0InUse, t_funThread3of4ForFork0InUse, Black: 199#(= ~glob~0 0), 50#L708-4true, t_funThread4of4ForFork0InUse, Black: 200#(not (= |t_funThread2of4ForFork0___VERIFIER_assert_#in~cond| 0)), 180#true, Black: 203#(and (not (= |t_funThread2of4ForFork0___VERIFIER_assert_#in~cond| 0)) (= ~glob~0 0)), Black: 205#(and (not (= t_funThread2of4ForFork0___VERIFIER_assert_~cond 0)) (not (= |t_funThread2of4ForFork0___VERIFIER_assert_#in~cond| 0)) (= ~glob~0 0)), Black: 207#(and (not (= t_funThread2of4ForFork0___VERIFIER_assert_~cond 0)) (not (= |t_funThread2of4ForFork0___VERIFIER_assert_#in~cond| 0))), 25#t_funENTRYtrue, 218#(not (= |t_funThread3of4ForFork0___VERIFIER_assert_#in~cond| 0)), 59#t_funErr0ASSERT_VIOLATIONERROR_FUNCTIONtrue]) [2021-03-25 16:22:42,823 INFO L384 tUnfolder$Statistics]: this new event has 93 ancestors and is cut-off event [2021-03-25 16:22:42,823 INFO L387 tUnfolder$Statistics]: existing Event has 73 ancestors and is cut-off event [2021-03-25 16:22:42,823 INFO L387 tUnfolder$Statistics]: existing Event has 93 ancestors and is cut-off event [2021-03-25 16:22:42,823 INFO L387 tUnfolder$Statistics]: existing Event has 73 ancestors and is cut-off event [2021-03-25 16:22:42,835 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1372] L702-3-->L702-5: Formula: (= v_~glob~0_211 (+ |v_ULTIMATE.start_bar_#t~post10_120| 1)) InVars {ULTIMATE.start_bar_#t~post10=|v_ULTIMATE.start_bar_#t~post10_120|} OutVars{~glob~0=v_~glob~0_211, ULTIMATE.start_bar_#t~post10=|v_ULTIMATE.start_bar_#t~post10_119|} AuxVars[] AssignedVars[~glob~0, ULTIMATE.start_bar_#t~post10][99], [128#t_funErr0ASSERT_VIOLATIONERROR_FUNCTIONtrue, Black: 182#(= ~glob~0 0), Black: 186#(and (= ~glob~0 0) (not (= |t_funThread1of4ForFork0___VERIFIER_assert_#in~cond| 0))), Black: 188#(and (not (= t_funThread1of4ForFork0___VERIFIER_assert_~cond 0)) (= ~glob~0 0) (not (= |t_funThread1of4ForFork0___VERIFIER_assert_#in~cond| 0))), Black: 190#(and (not (= t_funThread1of4ForFork0___VERIFIER_assert_~cond 0)) (not (= |t_funThread1of4ForFork0___VERIFIER_assert_#in~cond| 0))), 68#L702-5true, 197#true, 42#L685-5true, 76#t_funErr0ASSERT_VIOLATIONERROR_FUNCTIONtrue, t_funThread1of4ForFork0InUse, t_funThread2of4ForFork0InUse, t_funThread3of4ForFork0InUse, Black: 199#(= ~glob~0 0), t_funThread4of4ForFork0InUse, Black: 200#(not (= |t_funThread2of4ForFork0___VERIFIER_assert_#in~cond| 0)), Black: 203#(and (not (= |t_funThread2of4ForFork0___VERIFIER_assert_#in~cond| 0)) (= ~glob~0 0)), 180#true, Black: 205#(and (not (= t_funThread2of4ForFork0___VERIFIER_assert_~cond 0)) (not (= |t_funThread2of4ForFork0___VERIFIER_assert_#in~cond| 0)) (= ~glob~0 0)), Black: 207#(and (not (= t_funThread2of4ForFork0___VERIFIER_assert_~cond 0)) (not (= |t_funThread2of4ForFork0___VERIFIER_assert_#in~cond| 0))), 215#true, 59#t_funErr0ASSERT_VIOLATIONERROR_FUNCTIONtrue]) [2021-03-25 16:22:42,836 INFO L384 tUnfolder$Statistics]: this new event has 94 ancestors and is cut-off event [2021-03-25 16:22:42,836 INFO L387 tUnfolder$Statistics]: existing Event has 74 ancestors and is cut-off event [2021-03-25 16:22:42,836 INFO L387 tUnfolder$Statistics]: existing Event has 75 ancestors and is cut-off event [2021-03-25 16:22:42,836 INFO L387 tUnfolder$Statistics]: existing Event has 94 ancestors and is cut-off event [2021-03-25 16:22:42,836 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1372] L702-3-->L702-5: Formula: (= v_~glob~0_211 (+ |v_ULTIMATE.start_bar_#t~post10_120| 1)) InVars {ULTIMATE.start_bar_#t~post10=|v_ULTIMATE.start_bar_#t~post10_120|} OutVars{~glob~0=v_~glob~0_211, ULTIMATE.start_bar_#t~post10=|v_ULTIMATE.start_bar_#t~post10_119|} AuxVars[] AssignedVars[~glob~0, ULTIMATE.start_bar_#t~post10][99], [Black: 182#(= ~glob~0 0), Black: 186#(and (= ~glob~0 0) (not (= |t_funThread1of4ForFork0___VERIFIER_assert_#in~cond| 0))), Black: 188#(and (not (= t_funThread1of4ForFork0___VERIFIER_assert_~cond 0)) (= ~glob~0 0) (not (= |t_funThread1of4ForFork0___VERIFIER_assert_#in~cond| 0))), 68#L702-5true, Black: 190#(and (not (= t_funThread1of4ForFork0___VERIFIER_assert_~cond 0)) (not (= |t_funThread1of4ForFork0___VERIFIER_assert_#in~cond| 0))), 197#true, 42#L685-5true, 76#t_funErr0ASSERT_VIOLATIONERROR_FUNCTIONtrue, t_funThread1of4ForFork0InUse, t_funThread2of4ForFork0InUse, t_funThread3of4ForFork0InUse, Black: 199#(= ~glob~0 0), t_funThread4of4ForFork0InUse, Black: 200#(not (= |t_funThread2of4ForFork0___VERIFIER_assert_#in~cond| 0)), Black: 203#(and (not (= |t_funThread2of4ForFork0___VERIFIER_assert_#in~cond| 0)) (= ~glob~0 0)), 180#true, Black: 205#(and (not (= t_funThread2of4ForFork0___VERIFIER_assert_~cond 0)) (not (= |t_funThread2of4ForFork0___VERIFIER_assert_#in~cond| 0)) (= ~glob~0 0)), Black: 207#(and (not (= t_funThread2of4ForFork0___VERIFIER_assert_~cond 0)) (not (= |t_funThread2of4ForFork0___VERIFIER_assert_#in~cond| 0))), 215#true, 155#L685true, 59#t_funErr0ASSERT_VIOLATIONERROR_FUNCTIONtrue]) [2021-03-25 16:22:42,836 INFO L384 tUnfolder$Statistics]: this new event has 94 ancestors and is cut-off event [2021-03-25 16:22:42,836 INFO L387 tUnfolder$Statistics]: existing Event has 94 ancestors and is cut-off event [2021-03-25 16:22:42,836 INFO L387 tUnfolder$Statistics]: existing Event has 75 ancestors and is cut-off event [2021-03-25 16:22:42,836 INFO L387 tUnfolder$Statistics]: existing Event has 74 ancestors and is cut-off event [2021-03-25 16:22:42,848 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1372] L702-3-->L702-5: Formula: (= v_~glob~0_211 (+ |v_ULTIMATE.start_bar_#t~post10_120| 1)) InVars {ULTIMATE.start_bar_#t~post10=|v_ULTIMATE.start_bar_#t~post10_120|} OutVars{~glob~0=v_~glob~0_211, ULTIMATE.start_bar_#t~post10=|v_ULTIMATE.start_bar_#t~post10_119|} AuxVars[] AssignedVars[~glob~0, ULTIMATE.start_bar_#t~post10][131], [Black: 182#(= ~glob~0 0), Black: 186#(and (= ~glob~0 0) (not (= |t_funThread1of4ForFork0___VERIFIER_assert_#in~cond| 0))), Black: 188#(and (not (= t_funThread1of4ForFork0___VERIFIER_assert_~cond 0)) (= ~glob~0 0) (not (= |t_funThread1of4ForFork0___VERIFIER_assert_#in~cond| 0))), Black: 190#(and (not (= t_funThread1of4ForFork0___VERIFIER_assert_~cond 0)) (not (= |t_funThread1of4ForFork0___VERIFIER_assert_#in~cond| 0))), 68#L702-5true, 197#true, 42#L685-5true, 76#t_funErr0ASSERT_VIOLATIONERROR_FUNCTIONtrue, t_funThread1of4ForFork0InUse, t_funThread2of4ForFork0InUse, t_funThread3of4ForFork0InUse, 50#L708-4true, Black: 199#(= ~glob~0 0), t_funThread4of4ForFork0InUse, Black: 200#(not (= |t_funThread2of4ForFork0___VERIFIER_assert_#in~cond| 0)), 180#true, Black: 203#(and (not (= |t_funThread2of4ForFork0___VERIFIER_assert_#in~cond| 0)) (= ~glob~0 0)), Black: 205#(and (not (= t_funThread2of4ForFork0___VERIFIER_assert_~cond 0)) (not (= |t_funThread2of4ForFork0___VERIFIER_assert_#in~cond| 0)) (= ~glob~0 0)), Black: 207#(and (not (= t_funThread2of4ForFork0___VERIFIER_assert_~cond 0)) (not (= |t_funThread2of4ForFork0___VERIFIER_assert_#in~cond| 0))), 218#(not (= |t_funThread3of4ForFork0___VERIFIER_assert_#in~cond| 0)), 59#t_funErr0ASSERT_VIOLATIONERROR_FUNCTIONtrue]) [2021-03-25 16:22:42,848 INFO L384 tUnfolder$Statistics]: this new event has 95 ancestors and is cut-off event [2021-03-25 16:22:42,848 INFO L387 tUnfolder$Statistics]: existing Event has 76 ancestors and is cut-off event [2021-03-25 16:22:42,848 INFO L387 tUnfolder$Statistics]: existing Event has 95 ancestors and is cut-off event [2021-03-25 16:22:42,848 INFO L387 tUnfolder$Statistics]: existing Event has 75 ancestors and is cut-off event [2021-03-25 16:22:42,855 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1372] L702-3-->L702-5: Formula: (= v_~glob~0_211 (+ |v_ULTIMATE.start_bar_#t~post10_120| 1)) InVars {ULTIMATE.start_bar_#t~post10=|v_ULTIMATE.start_bar_#t~post10_120|} OutVars{~glob~0=v_~glob~0_211, ULTIMATE.start_bar_#t~post10=|v_ULTIMATE.start_bar_#t~post10_119|} AuxVars[] AssignedVars[~glob~0, ULTIMATE.start_bar_#t~post10][136], [Black: 182#(= ~glob~0 0), Black: 186#(and (= ~glob~0 0) (not (= |t_funThread1of4ForFork0___VERIFIER_assert_#in~cond| 0))), Black: 188#(and (not (= t_funThread1of4ForFork0___VERIFIER_assert_~cond 0)) (= ~glob~0 0) (not (= |t_funThread1of4ForFork0___VERIFIER_assert_#in~cond| 0))), Black: 190#(and (not (= t_funThread1of4ForFork0___VERIFIER_assert_~cond 0)) (not (= |t_funThread1of4ForFork0___VERIFIER_assert_#in~cond| 0))), 68#L702-5true, 42#L685-5true, 140#L708-4true, 76#t_funErr0ASSERT_VIOLATIONERROR_FUNCTIONtrue, t_funThread1of4ForFork0InUse, t_funThread2of4ForFork0InUse, 207#(and (not (= t_funThread2of4ForFork0___VERIFIER_assert_~cond 0)) (not (= |t_funThread2of4ForFork0___VERIFIER_assert_#in~cond| 0))), t_funThread3of4ForFork0InUse, Black: 197#true, 50#L708-4true, Black: 199#(= ~glob~0 0), t_funThread4of4ForFork0InUse, Black: 200#(not (= |t_funThread2of4ForFork0___VERIFIER_assert_#in~cond| 0)), 180#true, Black: 203#(and (not (= |t_funThread2of4ForFork0___VERIFIER_assert_#in~cond| 0)) (= ~glob~0 0)), Black: 205#(and (not (= t_funThread2of4ForFork0___VERIFIER_assert_~cond 0)) (not (= |t_funThread2of4ForFork0___VERIFIER_assert_#in~cond| 0)) (= ~glob~0 0)), 218#(not (= |t_funThread3of4ForFork0___VERIFIER_assert_#in~cond| 0))]) [2021-03-25 16:22:42,855 INFO L384 tUnfolder$Statistics]: this new event has 96 ancestors and is cut-off event [2021-03-25 16:22:42,855 INFO L387 tUnfolder$Statistics]: existing Event has 76 ancestors and is cut-off event [2021-03-25 16:22:42,855 INFO L387 tUnfolder$Statistics]: existing Event has 76 ancestors and is cut-off event [2021-03-25 16:22:42,855 INFO L387 tUnfolder$Statistics]: existing Event has 96 ancestors and is cut-off event [2021-03-25 16:22:42,881 INFO L129 PetriNetUnfolder]: 5674/20528 cut-off events. [2021-03-25 16:22:42,881 INFO L130 PetriNetUnfolder]: For 22764/24827 co-relation queries the response was YES. [2021-03-25 16:22:42,987 INFO L84 FinitePrefix]: Finished finitePrefix Result has 41609 conditions, 20528 events. 5674/20528 cut-off events. For 22764/24827 co-relation queries the response was YES. Maximal size of possible extension queue 856. Compared 254999 event pairs, 2225 based on Foata normal form. 126/17961 useless extension candidates. Maximal degree in co-relation 31528. Up to 3164 conditions per place. [2021-03-25 16:22:43,074 INFO L132 encePairwiseOnDemand]: 329/346 looper letters, 33 selfloop transitions, 40 changer transitions 0/138 dead transitions. [2021-03-25 16:22:43,075 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 104 places, 138 transitions, 850 flow [2021-03-25 16:22:43,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-25 16:22:43,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-03-25 16:22:43,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1332 transitions. [2021-03-25 16:22:43,078 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7699421965317919 [2021-03-25 16:22:43,078 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 1332 transitions. [2021-03-25 16:22:43,078 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 1332 transitions. [2021-03-25 16:22:43,079 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 16:22:43,079 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1332 transitions. [2021-03-25 16:22:43,081 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 266.4) internal successors, (1332), 5 states have internal predecessors, (1332), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 16:22:43,083 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 346.0) internal successors, (2076), 6 states have internal predecessors, (2076), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 16:22:43,084 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 346.0) internal successors, (2076), 6 states have internal predecessors, (2076), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 16:22:43,084 INFO L185 Difference]: Start difference. First operand has 100 places, 99 transitions, 453 flow. Second operand 5 states and 1332 transitions. [2021-03-25 16:22:43,084 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 104 places, 138 transitions, 850 flow [2021-03-25 16:22:43,156 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 104 places, 138 transitions, 850 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-03-25 16:22:43,158 INFO L241 Difference]: Finished difference. Result has 106 places, 120 transitions, 747 flow [2021-03-25 16:22:43,158 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=346, PETRI_DIFFERENCE_MINUEND_FLOW=453, PETRI_DIFFERENCE_MINUEND_PLACES=100, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=99, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=19, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=78, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=747, PETRI_PLACES=106, PETRI_TRANSITIONS=120} [2021-03-25 16:22:43,158 INFO L343 CegarLoopForPetriNet]: 108 programPoint places, -2 predicate places. [2021-03-25 16:22:43,159 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 16:22:43,159 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 106 places, 120 transitions, 747 flow [2021-03-25 16:22:43,159 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 106 places, 120 transitions, 747 flow [2021-03-25 16:22:43,159 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 106 places, 120 transitions, 747 flow [2021-03-25 16:22:44,048 INFO L129 PetriNetUnfolder]: 1704/9600 cut-off events. [2021-03-25 16:22:44,048 INFO L130 PetriNetUnfolder]: For 11538/14291 co-relation queries the response was YES. [2021-03-25 16:22:44,083 INFO L84 FinitePrefix]: Finished finitePrefix Result has 17525 conditions, 9600 events. 1704/9600 cut-off events. For 11538/14291 co-relation queries the response was YES. Maximal size of possible extension queue 455. Compared 115827 event pairs, 570 based on Foata normal form. 37/8203 useless extension candidates. Maximal degree in co-relation 12842. Up to 1039 conditions per place. [2021-03-25 16:22:44,173 INFO L142 LiptonReduction]: Number of co-enabled transitions 4676 [2021-03-25 16:23:01,208 INFO L154 LiptonReduction]: Checked pairs total: 5630 [2021-03-25 16:23:01,208 INFO L156 LiptonReduction]: Total number of compositions: 3 [2021-03-25 16:23:01,208 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 18049 [2021-03-25 16:23:01,209 INFO L480 AbstractCegarLoop]: Abstraction has has 106 places, 120 transitions, 747 flow [2021-03-25 16:23:01,209 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 255.0) internal successors, (1020), 4 states have internal predecessors, (1020), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 16:23:01,209 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 16:23:01,209 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 16:23:01,209 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-03-25 16:23:01,209 INFO L428 AbstractCegarLoop]: === Iteration 4 === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 16:23:01,210 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 16:23:01,210 INFO L82 PathProgramCache]: Analyzing trace with hash 1901754224, now seen corresponding path program 1 times [2021-03-25 16:23:01,210 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 16:23:01,210 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1652758554] [2021-03-25 16:23:01,210 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 16:23:01,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 16:23:01,227 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:23:01,228 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 16:23:01,231 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:23:01,231 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 16:23:01,234 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:23:01,235 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 16:23:01,239 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:23:01,239 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 16:23:01,240 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 16:23:01,240 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1652758554] [2021-03-25 16:23:01,240 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [700629691] [2021-03-25 16:23:01,241 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-25 16:23:01,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 16:23:01,335 INFO L263 TraceCheckSpWp]: Trace formula consists of 142 conjuncts, 4 conjunts are in the unsatisfiable core [2021-03-25 16:23:01,336 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-25 16:23:01,336 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:23:01,337 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 16:23:01,337 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:23:01,337 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 16:23:01,338 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:23:01,338 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 16:23:01,338 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:23:01,339 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 16:23:01,348 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:23:01,349 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 16:23:01,351 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:23:01,351 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 16:23:01,352 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:23:01,352 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 16:23:01,352 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:23:01,353 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 16:23:01,353 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:23:01,353 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 16:23:01,354 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:23:01,354 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 16:23:01,355 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:23:01,355 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 16:23:01,355 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:23:01,356 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 16:23:01,356 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:23:01,356 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 16:23:01,357 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:23:01,357 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 16:23:01,357 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:23:01,359 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 16:23:01,360 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:23:01,361 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 16:23:01,361 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:23:01,361 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 16:23:01,361 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:23:01,362 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 16:23:01,362 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:23:01,362 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 16:23:01,363 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:23:01,363 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 16:23:01,363 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:23:01,364 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 16:23:01,364 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:23:01,365 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 16:23:01,365 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:23:01,366 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 16:23:01,366 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:23:01,367 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 16:23:01,367 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:23:01,367 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 16:23:01,368 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:23:01,368 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 16:23:01,368 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:23:01,369 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 16:23:01,369 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:23:01,369 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 16:23:01,370 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:23:01,370 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 16:23:01,371 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:23:01,372 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 16:23:01,372 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:23:01,373 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 16:23:01,373 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-25 16:23:01,374 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:23:01,375 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 16:23:01,375 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:23:01,375 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 16:23:01,380 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:23:01,381 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 16:23:01,381 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:23:01,382 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 16:23:01,383 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:23:01,383 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 16:23:01,384 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 16:23:01,384 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:23:01,385 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 16:23:01,386 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:23:01,386 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 16:23:01,387 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:23:01,387 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 16:23:01,387 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:23:01,388 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 16:23:01,388 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:23:01,388 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 16:23:01,389 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:23:01,393 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 16:23:01,393 INFO L142 QuantifierPusher]: treesize reduction 7, result has 12.5 percent of original size [2021-03-25 16:23:01,394 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 16:23:01,394 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:23:01,394 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 16:23:01,395 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:23:01,395 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 16:23:01,395 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:23:01,395 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 16:23:01,396 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:23:01,396 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 16:23:01,396 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:23:01,397 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 16:23:01,398 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:23:01,398 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 16:23:01,398 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:23:01,398 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 16:23:01,399 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:23:01,399 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 16:23:01,399 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:23:01,400 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 16:23:01,400 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:23:01,400 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 16:23:01,400 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:23:01,401 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 16:23:01,401 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:23:01,401 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 16:23:01,402 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:23:01,402 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 16:23:01,402 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:23:01,403 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 16:23:01,403 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:23:01,403 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 16:23:01,403 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:23:01,404 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 16:23:01,404 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:23:01,404 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 16:23:01,404 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:23:01,405 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 16:23:01,406 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:23:01,406 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 16:23:01,407 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:23:01,407 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 16:23:01,407 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:23:01,407 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 16:23:01,408 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:23:01,408 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 16:23:01,408 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:23:01,409 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 16:23:01,409 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:23:01,409 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 16:23:01,410 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:23:01,410 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 16:23:01,410 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:23:01,410 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 16:23:01,415 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:23:01,416 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 16:23:01,416 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:23:01,416 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 16:23:01,417 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:23:01,417 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 16:23:01,417 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:23:01,417 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 16:23:01,418 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:23:01,418 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 16:23:01,418 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:23:01,419 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 16:23:01,419 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:23:01,419 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 16:23:01,419 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:23:01,420 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 16:23:01,420 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:23:01,420 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 16:23:01,421 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:23:01,421 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 16:23:01,421 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 16:23:01,421 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-25 16:23:01,421 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 6 [2021-03-25 16:23:01,421 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1286823005] [2021-03-25 16:23:01,422 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-25 16:23:01,422 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 16:23:01,422 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-25 16:23:01,422 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-03-25 16:23:01,424 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 286 out of 349 [2021-03-25 16:23:01,426 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 106 places, 120 transitions, 747 flow. Second operand has 7 states, 7 states have (on average 287.7142857142857) internal successors, (2014), 7 states have internal predecessors, (2014), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 16:23:01,426 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 16:23:01,426 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 286 of 349 [2021-03-25 16:23:01,426 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 16:23:02,215 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1260] t_funEXIT-->L715-4: Formula: (= v_t_funThread3of4ForFork0_thidvar0_4 |v_ULTIMATE.start_main_#t~mem18_43|) InVars {t_funThread3of4ForFork0_thidvar0=v_t_funThread3of4ForFork0_thidvar0_4, ULTIMATE.start_main_#t~mem18=|v_ULTIMATE.start_main_#t~mem18_43|} OutVars{t_funThread3of4ForFork0_thidvar0=v_t_funThread3of4ForFork0_thidvar0_4, ULTIMATE.start_main_#t~mem18=|v_ULTIMATE.start_main_#t~mem18_43|} AuxVars[] AssignedVars[][71], [224#true, Black: 182#(= ~glob~0 0), Black: 186#(and (= ~glob~0 0) (not (= |t_funThread1of4ForFork0___VERIFIER_assert_#in~cond| 0))), Black: 188#(and (not (= t_funThread1of4ForFork0___VERIFIER_assert_~cond 0)) (= ~glob~0 0) (not (= |t_funThread1of4ForFork0___VERIFIER_assert_#in~cond| 0))), Black: 190#(and (not (= t_funThread1of4ForFork0___VERIFIER_assert_~cond 0)) (not (= |t_funThread1of4ForFork0___VERIFIER_assert_#in~cond| 0))), 139#L715-4true, t_funThread1of4ForFork0InUse, t_funThread2of4ForFork0NotInUse, 207#(and (not (= t_funThread2of4ForFork0___VERIFIER_assert_~cond 0)) (not (= |t_funThread2of4ForFork0___VERIFIER_assert_#in~cond| 0))), t_funThread3of4ForFork0NotInUse, Black: 197#true, Black: 199#(= ~glob~0 0), t_funThread4of4ForFork0NotInUse, Black: 200#(not (= |t_funThread2of4ForFork0___VERIFIER_assert_#in~cond| 0)), Black: 203#(and (not (= |t_funThread2of4ForFork0___VERIFIER_assert_#in~cond| 0)) (= ~glob~0 0)), 180#true, Black: 205#(and (not (= t_funThread2of4ForFork0___VERIFIER_assert_~cond 0)) (not (= |t_funThread2of4ForFork0___VERIFIER_assert_#in~cond| 0)) (= ~glob~0 0)), 218#(not (= |t_funThread3of4ForFork0___VERIFIER_assert_#in~cond| 0)), Black: 215#true, 126#L708-3true, Black: 217#(= ~glob~0 0)]) [2021-03-25 16:23:02,215 INFO L384 tUnfolder$Statistics]: this new event has 105 ancestors and is cut-off event [2021-03-25 16:23:02,215 INFO L387 tUnfolder$Statistics]: existing Event has 87 ancestors and is cut-off event [2021-03-25 16:23:02,215 INFO L387 tUnfolder$Statistics]: existing Event has 104 ancestors and is cut-off event [2021-03-25 16:23:02,215 INFO L387 tUnfolder$Statistics]: existing Event has 87 ancestors and is cut-off event [2021-03-25 16:23:02,218 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1260] t_funEXIT-->L715-4: Formula: (= v_t_funThread3of4ForFork0_thidvar0_4 |v_ULTIMATE.start_main_#t~mem18_43|) InVars {t_funThread3of4ForFork0_thidvar0=v_t_funThread3of4ForFork0_thidvar0_4, ULTIMATE.start_main_#t~mem18=|v_ULTIMATE.start_main_#t~mem18_43|} OutVars{t_funThread3of4ForFork0_thidvar0=v_t_funThread3of4ForFork0_thidvar0_4, ULTIMATE.start_main_#t~mem18=|v_ULTIMATE.start_main_#t~mem18_43|} AuxVars[] AssignedVars[][71], [224#true, Black: 180#true, Black: 182#(= ~glob~0 0), Black: 186#(and (= ~glob~0 0) (not (= |t_funThread1of4ForFork0___VERIFIER_assert_#in~cond| 0))), Black: 188#(and (not (= t_funThread1of4ForFork0___VERIFIER_assert_~cond 0)) (= ~glob~0 0) (not (= |t_funThread1of4ForFork0___VERIFIER_assert_#in~cond| 0))), Black: 190#(and (not (= t_funThread1of4ForFork0___VERIFIER_assert_~cond 0)) (not (= |t_funThread1of4ForFork0___VERIFIER_assert_#in~cond| 0))), 139#L715-4true, t_funThread1of4ForFork0NotInUse, 140#L708-4true, 207#(and (not (= t_funThread2of4ForFork0___VERIFIER_assert_~cond 0)) (not (= |t_funThread2of4ForFork0___VERIFIER_assert_#in~cond| 0))), t_funThread2of4ForFork0InUse, t_funThread3of4ForFork0NotInUse, Black: 197#true, Black: 199#(= ~glob~0 0), t_funThread4of4ForFork0NotInUse, Black: 200#(not (= |t_funThread2of4ForFork0___VERIFIER_assert_#in~cond| 0)), Black: 203#(and (not (= |t_funThread2of4ForFork0___VERIFIER_assert_#in~cond| 0)) (= ~glob~0 0)), Black: 205#(and (not (= t_funThread2of4ForFork0___VERIFIER_assert_~cond 0)) (not (= |t_funThread2of4ForFork0___VERIFIER_assert_#in~cond| 0)) (= ~glob~0 0)), 184#(not (= t_funThread1of4ForFork0___VERIFIER_assert_~cond 0)), 218#(not (= |t_funThread3of4ForFork0___VERIFIER_assert_#in~cond| 0)), Black: 215#true, Black: 217#(= ~glob~0 0)]) [2021-03-25 16:23:02,218 INFO L384 tUnfolder$Statistics]: this new event has 107 ancestors and is cut-off event [2021-03-25 16:23:02,218 INFO L387 tUnfolder$Statistics]: existing Event has 68 ancestors and is cut-off event [2021-03-25 16:23:02,218 INFO L387 tUnfolder$Statistics]: existing Event has 68 ancestors and is cut-off event [2021-03-25 16:23:02,218 INFO L387 tUnfolder$Statistics]: existing Event has 86 ancestors and is cut-off event [2021-03-25 16:23:02,221 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1260] t_funEXIT-->L715-4: Formula: (= v_t_funThread3of4ForFork0_thidvar0_4 |v_ULTIMATE.start_main_#t~mem18_43|) InVars {t_funThread3of4ForFork0_thidvar0=v_t_funThread3of4ForFork0_thidvar0_4, ULTIMATE.start_main_#t~mem18=|v_ULTIMATE.start_main_#t~mem18_43|} OutVars{t_funThread3of4ForFork0_thidvar0=v_t_funThread3of4ForFork0_thidvar0_4, ULTIMATE.start_main_#t~mem18=|v_ULTIMATE.start_main_#t~mem18_43|} AuxVars[] AssignedVars[][71], [224#true, Black: 180#true, Black: 182#(= ~glob~0 0), Black: 186#(and (= ~glob~0 0) (not (= |t_funThread1of4ForFork0___VERIFIER_assert_#in~cond| 0))), Black: 188#(and (not (= t_funThread1of4ForFork0___VERIFIER_assert_~cond 0)) (= ~glob~0 0) (not (= |t_funThread1of4ForFork0___VERIFIER_assert_#in~cond| 0))), Black: 190#(and (not (= t_funThread1of4ForFork0___VERIFIER_assert_~cond 0)) (not (= |t_funThread1of4ForFork0___VERIFIER_assert_#in~cond| 0))), 139#L715-4true, t_funThread1of4ForFork0NotInUse, t_funThread2of4ForFork0NotInUse, 207#(and (not (= t_funThread2of4ForFork0___VERIFIER_assert_~cond 0)) (not (= |t_funThread2of4ForFork0___VERIFIER_assert_#in~cond| 0))), t_funThread3of4ForFork0NotInUse, Black: 197#true, Black: 199#(= ~glob~0 0), t_funThread4of4ForFork0NotInUse, Black: 200#(not (= |t_funThread2of4ForFork0___VERIFIER_assert_#in~cond| 0)), Black: 203#(and (not (= |t_funThread2of4ForFork0___VERIFIER_assert_#in~cond| 0)) (= ~glob~0 0)), Black: 205#(and (not (= t_funThread2of4ForFork0___VERIFIER_assert_~cond 0)) (not (= |t_funThread2of4ForFork0___VERIFIER_assert_#in~cond| 0)) (= ~glob~0 0)), 184#(not (= t_funThread1of4ForFork0___VERIFIER_assert_~cond 0)), 218#(not (= |t_funThread3of4ForFork0___VERIFIER_assert_#in~cond| 0)), Black: 215#true, Black: 217#(= ~glob~0 0)]) [2021-03-25 16:23:02,221 INFO L384 tUnfolder$Statistics]: this new event has 115 ancestors and is cut-off event [2021-03-25 16:23:02,221 INFO L387 tUnfolder$Statistics]: existing Event has 76 ancestors and is cut-off event [2021-03-25 16:23:02,221 INFO L387 tUnfolder$Statistics]: existing Event has 94 ancestors and is cut-off event [2021-03-25 16:23:02,221 INFO L387 tUnfolder$Statistics]: existing Event has 76 ancestors and is cut-off event [2021-03-25 16:23:02,221 INFO L129 PetriNetUnfolder]: 1734/9686 cut-off events. [2021-03-25 16:23:02,221 INFO L130 PetriNetUnfolder]: For 11571/13734 co-relation queries the response was YES. [2021-03-25 16:23:02,265 INFO L84 FinitePrefix]: Finished finitePrefix Result has 17644 conditions, 9686 events. 1734/9686 cut-off events. For 11571/13734 co-relation queries the response was YES. Maximal size of possible extension queue 415. Compared 116280 event pairs, 534 based on Foata normal form. 64/8309 useless extension candidates. Maximal degree in co-relation 14236. Up to 1055 conditions per place. [2021-03-25 16:23:02,299 INFO L132 encePairwiseOnDemand]: 344/349 looper letters, 11 selfloop transitions, 5 changer transitions 0/129 dead transitions. [2021-03-25 16:23:02,299 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 111 places, 129 transitions, 797 flow [2021-03-25 16:23:02,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-25 16:23:02,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-03-25 16:23:02,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1734 transitions. [2021-03-25 16:23:02,307 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.828080229226361 [2021-03-25 16:23:02,307 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1734 transitions. [2021-03-25 16:23:02,307 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1734 transitions. [2021-03-25 16:23:02,310 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 16:23:02,310 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1734 transitions. [2021-03-25 16:23:02,316 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 289.0) internal successors, (1734), 6 states have internal predecessors, (1734), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 16:23:02,320 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 349.0) internal successors, (2443), 7 states have internal predecessors, (2443), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 16:23:02,320 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 349.0) internal successors, (2443), 7 states have internal predecessors, (2443), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 16:23:02,321 INFO L185 Difference]: Start difference. First operand has 106 places, 120 transitions, 747 flow. Second operand 6 states and 1734 transitions. [2021-03-25 16:23:02,321 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 111 places, 129 transitions, 797 flow [2021-03-25 16:23:02,350 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 111 places, 129 transitions, 797 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-03-25 16:23:02,352 INFO L241 Difference]: Finished difference. Result has 114 places, 124 transitions, 781 flow [2021-03-25 16:23:02,352 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=349, PETRI_DIFFERENCE_MINUEND_FLOW=747, PETRI_DIFFERENCE_MINUEND_PLACES=106, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=120, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=116, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=781, PETRI_PLACES=114, PETRI_TRANSITIONS=124} [2021-03-25 16:23:02,352 INFO L343 CegarLoopForPetriNet]: 108 programPoint places, 6 predicate places. [2021-03-25 16:23:02,352 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 16:23:02,352 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 114 places, 124 transitions, 781 flow [2021-03-25 16:23:02,353 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 114 places, 124 transitions, 781 flow [2021-03-25 16:23:02,353 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 114 places, 124 transitions, 781 flow [2021-03-25 16:23:03,127 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1260] t_funEXIT-->L715-4: Formula: (= v_t_funThread3of4ForFork0_thidvar0_4 |v_ULTIMATE.start_main_#t~mem18_43|) InVars {t_funThread3of4ForFork0_thidvar0=v_t_funThread3of4ForFork0_thidvar0_4, ULTIMATE.start_main_#t~mem18=|v_ULTIMATE.start_main_#t~mem18_43|} OutVars{t_funThread3of4ForFork0_thidvar0=v_t_funThread3of4ForFork0_thidvar0_4, ULTIMATE.start_main_#t~mem18=|v_ULTIMATE.start_main_#t~mem18_43|} AuxVars[] AssignedVars[][23], [224#true, Black: 182#(= ~glob~0 0), Black: 186#(and (= ~glob~0 0) (not (= |t_funThread1of4ForFork0___VERIFIER_assert_#in~cond| 0))), Black: 188#(and (not (= t_funThread1of4ForFork0___VERIFIER_assert_~cond 0)) (= ~glob~0 0) (not (= |t_funThread1of4ForFork0___VERIFIER_assert_#in~cond| 0))), Black: 190#(and (not (= t_funThread1of4ForFork0___VERIFIER_assert_~cond 0)) (not (= |t_funThread1of4ForFork0___VERIFIER_assert_#in~cond| 0))), 7#t_funENTRYtrue, 139#L715-4true, t_funThread1of4ForFork0InUse, Black: 226#(= ULTIMATE.start_main_~i~1 0), t_funThread2of4ForFork0NotInUse, Black: 228#(<= ULTIMATE.start_main_~i~1 1), 207#(and (not (= t_funThread2of4ForFork0___VERIFIER_assert_~cond 0)) (not (= |t_funThread2of4ForFork0___VERIFIER_assert_#in~cond| 0))), t_funThread3of4ForFork0NotInUse, Black: 300#(and (= |ULTIMATE.start_main_#t~post15| 0) (<= ULTIMATE.start_main_~i~1 1)), Black: 197#true, t_funThread4of4ForFork0NotInUse, Black: 199#(= ~glob~0 0), Black: 200#(not (= |t_funThread2of4ForFork0___VERIFIER_assert_#in~cond| 0)), Black: 203#(and (not (= |t_funThread2of4ForFork0___VERIFIER_assert_#in~cond| 0)) (= ~glob~0 0)), 180#true, Black: 205#(and (not (= t_funThread2of4ForFork0___VERIFIER_assert_~cond 0)) (not (= |t_funThread2of4ForFork0___VERIFIER_assert_#in~cond| 0)) (= ~glob~0 0)), 218#(not (= |t_funThread3of4ForFork0___VERIFIER_assert_#in~cond| 0)), Black: 215#true, Black: 217#(= ~glob~0 0)]) [2021-03-25 16:23:03,127 INFO L384 tUnfolder$Statistics]: this new event has 83 ancestors and is cut-off event [2021-03-25 16:23:03,127 INFO L387 tUnfolder$Statistics]: existing Event has 81 ancestors and is cut-off event [2021-03-25 16:23:03,127 INFO L387 tUnfolder$Statistics]: existing Event has 63 ancestors and is cut-off event [2021-03-25 16:23:03,128 INFO L387 tUnfolder$Statistics]: existing Event has 63 ancestors and is cut-off event [2021-03-25 16:23:03,256 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1260] t_funEXIT-->L715-4: Formula: (= v_t_funThread3of4ForFork0_thidvar0_4 |v_ULTIMATE.start_main_#t~mem18_43|) InVars {t_funThread3of4ForFork0_thidvar0=v_t_funThread3of4ForFork0_thidvar0_4, ULTIMATE.start_main_#t~mem18=|v_ULTIMATE.start_main_#t~mem18_43|} OutVars{t_funThread3of4ForFork0_thidvar0=v_t_funThread3of4ForFork0_thidvar0_4, ULTIMATE.start_main_#t~mem18=|v_ULTIMATE.start_main_#t~mem18_43|} AuxVars[] AssignedVars[][23], [Black: 180#true, Black: 182#(= ~glob~0 0), Black: 186#(and (= ~glob~0 0) (not (= |t_funThread1of4ForFork0___VERIFIER_assert_#in~cond| 0))), Black: 188#(and (not (= t_funThread1of4ForFork0___VERIFIER_assert_~cond 0)) (= ~glob~0 0) (not (= |t_funThread1of4ForFork0___VERIFIER_assert_#in~cond| 0))), Black: 190#(and (not (= t_funThread1of4ForFork0___VERIFIER_assert_~cond 0)) (not (= |t_funThread1of4ForFork0___VERIFIER_assert_#in~cond| 0))), 139#L715-4true, 207#(and (not (= t_funThread2of4ForFork0___VERIFIER_assert_~cond 0)) (not (= |t_funThread2of4ForFork0___VERIFIER_assert_#in~cond| 0))), Black: 197#true, Black: 199#(= ~glob~0 0), Black: 200#(not (= |t_funThread2of4ForFork0___VERIFIER_assert_#in~cond| 0)), Black: 203#(and (not (= |t_funThread2of4ForFork0___VERIFIER_assert_#in~cond| 0)) (= ~glob~0 0)), Black: 205#(and (not (= t_funThread2of4ForFork0___VERIFIER_assert_~cond 0)) (not (= |t_funThread2of4ForFork0___VERIFIER_assert_#in~cond| 0)) (= ~glob~0 0)), 218#(not (= |t_funThread3of4ForFork0___VERIFIER_assert_#in~cond| 0)), Black: 215#true, Black: 217#(= ~glob~0 0), 224#true, t_funThread1of4ForFork0InUse, t_funThread2of4ForFork0NotInUse, Black: 226#(= ULTIMATE.start_main_~i~1 0), Black: 228#(<= ULTIMATE.start_main_~i~1 1), Black: 300#(and (= |ULTIMATE.start_main_#t~post15| 0) (<= ULTIMATE.start_main_~i~1 1)), t_funThread3of4ForFork0NotInUse, t_funThread4of4ForFork0NotInUse, 183#(not (= |t_funThread1of4ForFork0___VERIFIER_assert_#in~cond| 0)), 126#L708-3true]) [2021-03-25 16:23:03,256 INFO L384 tUnfolder$Statistics]: this new event has 86 ancestors and is cut-off event [2021-03-25 16:23:03,256 INFO L387 tUnfolder$Statistics]: existing Event has 66 ancestors and is cut-off event [2021-03-25 16:23:03,256 INFO L387 tUnfolder$Statistics]: existing Event has 67 ancestors and is cut-off event [2021-03-25 16:23:03,256 INFO L387 tUnfolder$Statistics]: existing Event has 84 ancestors and is cut-off event [2021-03-25 16:23:03,317 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1260] t_funEXIT-->L715-4: Formula: (= v_t_funThread3of4ForFork0_thidvar0_4 |v_ULTIMATE.start_main_#t~mem18_43|) InVars {t_funThread3of4ForFork0_thidvar0=v_t_funThread3of4ForFork0_thidvar0_4, ULTIMATE.start_main_#t~mem18=|v_ULTIMATE.start_main_#t~mem18_43|} OutVars{t_funThread3of4ForFork0_thidvar0=v_t_funThread3of4ForFork0_thidvar0_4, ULTIMATE.start_main_#t~mem18=|v_ULTIMATE.start_main_#t~mem18_43|} AuxVars[] AssignedVars[][23], [Black: 180#true, 224#true, Black: 182#(= ~glob~0 0), Black: 186#(and (= ~glob~0 0) (not (= |t_funThread1of4ForFork0___VERIFIER_assert_#in~cond| 0))), Black: 188#(and (not (= t_funThread1of4ForFork0___VERIFIER_assert_~cond 0)) (= ~glob~0 0) (not (= |t_funThread1of4ForFork0___VERIFIER_assert_#in~cond| 0))), Black: 190#(and (not (= t_funThread1of4ForFork0___VERIFIER_assert_~cond 0)) (not (= |t_funThread1of4ForFork0___VERIFIER_assert_#in~cond| 0))), 139#L715-4true, t_funThread1of4ForFork0NotInUse, Black: 226#(= ULTIMATE.start_main_~i~1 0), t_funThread2of4ForFork0NotInUse, Black: 228#(<= ULTIMATE.start_main_~i~1 1), 207#(and (not (= t_funThread2of4ForFork0___VERIFIER_assert_~cond 0)) (not (= |t_funThread2of4ForFork0___VERIFIER_assert_#in~cond| 0))), Black: 300#(and (= |ULTIMATE.start_main_#t~post15| 0) (<= ULTIMATE.start_main_~i~1 1)), t_funThread3of4ForFork0NotInUse, Black: 197#true, Black: 199#(= ~glob~0 0), t_funThread4of4ForFork0NotInUse, Black: 200#(not (= |t_funThread2of4ForFork0___VERIFIER_assert_#in~cond| 0)), Black: 203#(and (not (= |t_funThread2of4ForFork0___VERIFIER_assert_#in~cond| 0)) (= ~glob~0 0)), Black: 205#(and (not (= t_funThread2of4ForFork0___VERIFIER_assert_~cond 0)) (not (= |t_funThread2of4ForFork0___VERIFIER_assert_#in~cond| 0)) (= ~glob~0 0)), 184#(not (= t_funThread1of4ForFork0___VERIFIER_assert_~cond 0)), 218#(not (= |t_funThread3of4ForFork0___VERIFIER_assert_#in~cond| 0)), Black: 215#true, Black: 217#(= ~glob~0 0)]) [2021-03-25 16:23:03,318 INFO L384 tUnfolder$Statistics]: this new event has 96 ancestors and is cut-off event [2021-03-25 16:23:03,318 INFO L387 tUnfolder$Statistics]: existing Event has 94 ancestors and is cut-off event [2021-03-25 16:23:03,318 INFO L387 tUnfolder$Statistics]: existing Event has 76 ancestors and is cut-off event [2021-03-25 16:23:03,318 INFO L387 tUnfolder$Statistics]: existing Event has 76 ancestors and is cut-off event [2021-03-25 16:23:03,337 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1260] t_funEXIT-->L715-4: Formula: (= v_t_funThread3of4ForFork0_thidvar0_4 |v_ULTIMATE.start_main_#t~mem18_43|) InVars {t_funThread3of4ForFork0_thidvar0=v_t_funThread3of4ForFork0_thidvar0_4, ULTIMATE.start_main_#t~mem18=|v_ULTIMATE.start_main_#t~mem18_43|} OutVars{t_funThread3of4ForFork0_thidvar0=v_t_funThread3of4ForFork0_thidvar0_4, ULTIMATE.start_main_#t~mem18=|v_ULTIMATE.start_main_#t~mem18_43|} AuxVars[] AssignedVars[][23], [224#true, Black: 182#(= ~glob~0 0), Black: 186#(and (= ~glob~0 0) (not (= |t_funThread1of4ForFork0___VERIFIER_assert_#in~cond| 0))), Black: 188#(and (not (= t_funThread1of4ForFork0___VERIFIER_assert_~cond 0)) (= ~glob~0 0) (not (= |t_funThread1of4ForFork0___VERIFIER_assert_#in~cond| 0))), Black: 190#(and (not (= t_funThread1of4ForFork0___VERIFIER_assert_~cond 0)) (not (= |t_funThread1of4ForFork0___VERIFIER_assert_#in~cond| 0))), 139#L715-4true, t_funThread1of4ForFork0InUse, Black: 226#(= ULTIMATE.start_main_~i~1 0), t_funThread2of4ForFork0NotInUse, Black: 228#(<= ULTIMATE.start_main_~i~1 1), 207#(and (not (= t_funThread2of4ForFork0___VERIFIER_assert_~cond 0)) (not (= |t_funThread2of4ForFork0___VERIFIER_assert_#in~cond| 0))), Black: 300#(and (= |ULTIMATE.start_main_#t~post15| 0) (<= ULTIMATE.start_main_~i~1 1)), t_funThread3of4ForFork0NotInUse, Black: 197#true, Black: 199#(= ~glob~0 0), t_funThread4of4ForFork0NotInUse, Black: 200#(not (= |t_funThread2of4ForFork0___VERIFIER_assert_#in~cond| 0)), 180#true, Black: 203#(and (not (= |t_funThread2of4ForFork0___VERIFIER_assert_#in~cond| 0)) (= ~glob~0 0)), Black: 205#(and (not (= t_funThread2of4ForFork0___VERIFIER_assert_~cond 0)) (not (= |t_funThread2of4ForFork0___VERIFIER_assert_#in~cond| 0)) (= ~glob~0 0)), 218#(not (= |t_funThread3of4ForFork0___VERIFIER_assert_#in~cond| 0)), 126#L708-3true, Black: 215#true, Black: 217#(= ~glob~0 0)]) [2021-03-25 16:23:03,337 INFO L384 tUnfolder$Statistics]: this new event has 105 ancestors and is cut-off event [2021-03-25 16:23:03,337 INFO L387 tUnfolder$Statistics]: existing Event has 104 ancestors and is cut-off event [2021-03-25 16:23:03,337 INFO L387 tUnfolder$Statistics]: existing Event has 87 ancestors and is cut-off event [2021-03-25 16:23:03,337 INFO L387 tUnfolder$Statistics]: existing Event has 87 ancestors and is cut-off event [2021-03-25 16:23:03,341 INFO L129 PetriNetUnfolder]: 1742/9775 cut-off events. [2021-03-25 16:23:03,341 INFO L130 PetriNetUnfolder]: For 11707/14124 co-relation queries the response was YES. [2021-03-25 16:23:03,376 INFO L84 FinitePrefix]: Finished finitePrefix Result has 17896 conditions, 9775 events. 1742/9775 cut-off events. For 11707/14124 co-relation queries the response was YES. Maximal size of possible extension queue 435. Compared 118316 event pairs, 567 based on Foata normal form. 35/8353 useless extension candidates. Maximal degree in co-relation 14533. Up to 1068 conditions per place. [2021-03-25 16:23:03,454 INFO L142 LiptonReduction]: Number of co-enabled transitions 4734 [2021-03-25 16:23:31,240 INFO L154 LiptonReduction]: Checked pairs total: 7883 [2021-03-25 16:23:31,241 INFO L156 LiptonReduction]: Total number of compositions: 3 [2021-03-25 16:23:31,241 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 28889 [2021-03-25 16:23:31,241 INFO L480 AbstractCegarLoop]: Abstraction has has 112 places, 122 transitions, 775 flow [2021-03-25 16:23:31,242 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 287.7142857142857) internal successors, (2014), 7 states have internal predecessors, (2014), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 16:23:31,242 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 16:23:31,242 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 16:23:31,447 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2021-03-25 16:23:31,448 INFO L428 AbstractCegarLoop]: === Iteration 5 === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 16:23:31,448 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 16:23:31,448 INFO L82 PathProgramCache]: Analyzing trace with hash 1927478561, now seen corresponding path program 1 times [2021-03-25 16:23:31,448 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 16:23:31,448 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [115089121] [2021-03-25 16:23:31,448 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 16:23:31,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 16:23:31,485 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:23:31,485 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 16:23:31,488 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:23:31,489 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 16:23:31,496 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:23:31,497 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 16:23:31,501 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:23:31,501 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 16:23:31,506 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:23:31,507 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 16:23:31,512 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:23:31,512 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 16:23:31,515 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 16:23:31,515 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [115089121] [2021-03-25 16:23:31,515 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1859138238] [2021-03-25 16:23:31,515 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-25 16:23:31,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 16:23:31,596 INFO L263 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 6 conjunts are in the unsatisfiable core [2021-03-25 16:23:31,599 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-25 16:23:31,599 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:23:31,600 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 16:23:31,600 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:23:31,600 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 16:23:31,603 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:23:31,603 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 16:23:31,604 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:23:31,604 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 16:23:31,610 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:23:31,610 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 16:23:31,610 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:23:31,610 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 16:23:31,611 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:23:31,611 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 16:23:31,612 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:23:31,612 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 16:23:31,612 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:23:31,613 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 16:23:31,613 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:23:31,613 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 16:23:31,613 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:23:31,614 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 16:23:31,614 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:23:31,614 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 16:23:31,615 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:23:31,615 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 16:23:31,615 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:23:31,615 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 16:23:31,616 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:23:31,616 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 16:23:31,616 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:23:31,616 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 16:23:31,618 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:23:31,618 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 16:23:31,618 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:23:31,619 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 16:23:31,621 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:23:31,621 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 16:23:31,621 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:23:31,622 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 16:23:31,622 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:23:31,623 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 16:23:31,625 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:23:31,625 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 16:23:31,626 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:23:31,627 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 16:23:31,627 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-25 16:23:31,628 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:23:31,628 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 16:23:31,629 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:23:31,629 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 16:23:31,634 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:23:31,636 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 16:23:31,637 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:23:31,638 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 16:23:31,639 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:23:31,639 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 16:23:31,639 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 16:23:31,640 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:23:31,641 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 16:23:31,641 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:23:31,641 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 16:23:31,641 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:23:31,642 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 16:23:31,642 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:23:31,642 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 16:23:31,642 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:23:31,643 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 16:23:31,643 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:23:31,643 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 16:23:31,643 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:23:31,644 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 16:23:31,644 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:23:31,644 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 16:23:31,644 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:23:31,644 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 16:23:31,645 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:23:31,645 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 16:23:31,645 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:23:31,646 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 16:23:31,646 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:23:31,646 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 16:23:31,646 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:23:31,646 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 16:23:31,647 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:23:31,647 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 16:23:31,647 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:23:31,647 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 16:23:31,648 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:23:31,648 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 16:23:31,648 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:23:31,648 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 16:23:31,648 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:23:31,649 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 16:23:31,649 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:23:31,649 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 16:23:31,650 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:23:31,650 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 16:23:31,650 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:23:31,650 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 16:23:31,651 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:23:31,651 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 16:23:31,651 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:23:31,651 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 16:23:31,652 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:23:31,653 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 16:23:31,656 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:23:31,656 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 16:23:31,657 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-25 16:23:31,657 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:23:31,658 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 16:23:31,658 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:23:31,658 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 16:23:31,659 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:23:31,659 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 16:23:31,660 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:23:31,661 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 16:23:31,664 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:23:31,665 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 16:23:31,665 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 16:23:31,666 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:23:31,667 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 16:23:31,667 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:23:31,667 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 16:23:31,668 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:23:31,668 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 16:23:31,668 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:23:31,669 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 16:23:31,669 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:23:31,669 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 16:23:31,669 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:23:31,670 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 16:23:31,670 INFO L142 QuantifierPusher]: treesize reduction 7, result has 12.5 percent of original size [2021-03-25 16:23:31,670 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 16:23:31,671 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:23:31,671 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 16:23:31,671 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:23:31,672 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 16:23:31,672 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:23:31,672 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 16:23:31,672 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:23:31,673 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 16:23:31,673 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:23:31,673 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 16:23:31,673 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:23:31,673 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 16:23:31,674 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:23:31,674 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 16:23:31,674 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:23:31,674 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 16:23:31,675 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:23:31,675 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 16:23:31,675 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:23:31,675 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 16:23:31,676 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:23:31,676 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 16:23:31,676 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:23:31,676 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 16:23:31,677 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:23:31,677 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 16:23:31,677 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:23:31,678 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 16:23:31,678 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:23:31,678 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 16:23:31,678 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:23:31,679 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 16:23:31,679 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:23:31,679 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 16:23:31,679 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:23:31,680 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 16:23:31,680 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:23:31,680 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 16:23:31,680 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:23:31,681 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 16:23:31,681 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:23:31,681 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 16:23:31,681 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:23:31,682 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 16:23:31,682 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:23:31,682 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 16:23:31,682 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:23:31,683 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 16:23:31,683 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:23:31,683 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 16:23:31,684 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:23:31,684 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 16:23:31,684 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:23:31,684 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 16:23:31,685 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:23:31,685 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 16:23:31,685 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:23:31,685 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 16:23:31,686 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:23:31,686 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 16:23:31,686 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:23:31,686 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 16:23:31,687 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:23:31,687 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 16:23:31,687 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:23:31,687 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 16:23:31,688 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:23:31,688 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 16:23:31,688 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:23:31,689 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 16:23:31,689 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:23:31,689 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 16:23:31,689 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:23:31,690 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 16:23:31,690 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:23:31,691 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 16:23:31,691 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:23:31,691 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 16:23:31,692 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 16:23:31,692 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-25 16:23:31,692 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 8 [2021-03-25 16:23:31,692 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [58116791] [2021-03-25 16:23:31,692 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-25 16:23:31,692 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 16:23:31,693 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-25 16:23:31,693 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2021-03-25 16:23:31,695 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 286 out of 352 [2021-03-25 16:23:31,696 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 112 places, 122 transitions, 775 flow. Second operand has 9 states, 9 states have (on average 287.8888888888889) internal successors, (2591), 9 states have internal predecessors, (2591), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 16:23:31,696 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 16:23:31,697 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 286 of 352 [2021-03-25 16:23:31,697 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 16:23:32,455 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1260] t_funEXIT-->L715-4: Formula: (= v_t_funThread3of4ForFork0_thidvar0_4 |v_ULTIMATE.start_main_#t~mem18_43|) InVars {t_funThread3of4ForFork0_thidvar0=v_t_funThread3of4ForFork0_thidvar0_4, ULTIMATE.start_main_#t~mem18=|v_ULTIMATE.start_main_#t~mem18_43|} OutVars{t_funThread3of4ForFork0_thidvar0=v_t_funThread3of4ForFork0_thidvar0_4, ULTIMATE.start_main_#t~mem18=|v_ULTIMATE.start_main_#t~mem18_43|} AuxVars[] AssignedVars[][53], [Black: 180#true, Black: 182#(= ~glob~0 0), Black: 186#(and (= ~glob~0 0) (not (= |t_funThread1of4ForFork0___VERIFIER_assert_#in~cond| 0))), Black: 188#(and (not (= t_funThread1of4ForFork0___VERIFIER_assert_~cond 0)) (= ~glob~0 0) (not (= |t_funThread1of4ForFork0___VERIFIER_assert_#in~cond| 0))), Black: 190#(and (not (= t_funThread1of4ForFork0___VERIFIER_assert_~cond 0)) (not (= |t_funThread1of4ForFork0___VERIFIER_assert_#in~cond| 0))), 200#(not (= |t_funThread2of4ForFork0___VERIFIER_assert_#in~cond| 0)), 139#L715-4true, Black: 197#true, Black: 199#(= ~glob~0 0), Black: 203#(and (not (= |t_funThread2of4ForFork0___VERIFIER_assert_#in~cond| 0)) (= ~glob~0 0)), Black: 205#(and (not (= t_funThread2of4ForFork0___VERIFIER_assert_~cond 0)) (not (= |t_funThread2of4ForFork0___VERIFIER_assert_#in~cond| 0)) (= ~glob~0 0)), Black: 207#(and (not (= t_funThread2of4ForFork0___VERIFIER_assert_~cond 0)) (not (= |t_funThread2of4ForFork0___VERIFIER_assert_#in~cond| 0))), 218#(not (= |t_funThread3of4ForFork0___VERIFIER_assert_#in~cond| 0)), Black: 215#true, Black: 217#(= ~glob~0 0), 224#true, 42#L685-5true, t_funThread1of4ForFork0NotInUse, Black: 226#(= ULTIMATE.start_main_~i~1 0), t_funThread2of4ForFork0InUse, Black: 228#(<= ULTIMATE.start_main_~i~1 1), Black: 300#(and (= |ULTIMATE.start_main_#t~post15| 0) (<= ULTIMATE.start_main_~i~1 1)), t_funThread3of4ForFork0NotInUse, 305#true, t_funThread4of4ForFork0InUse, 115#L685true, 184#(not (= t_funThread1of4ForFork0___VERIFIER_assert_~cond 0))]) [2021-03-25 16:23:32,455 INFO L384 tUnfolder$Statistics]: this new event has 95 ancestors and is cut-off event [2021-03-25 16:23:32,455 INFO L387 tUnfolder$Statistics]: existing Event has 75 ancestors and is cut-off event [2021-03-25 16:23:32,455 INFO L387 tUnfolder$Statistics]: existing Event has 75 ancestors and is cut-off event [2021-03-25 16:23:32,455 INFO L387 tUnfolder$Statistics]: existing Event has 75 ancestors and is cut-off event [2021-03-25 16:23:32,475 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1260] t_funEXIT-->L715-4: Formula: (= v_t_funThread3of4ForFork0_thidvar0_4 |v_ULTIMATE.start_main_#t~mem18_43|) InVars {t_funThread3of4ForFork0_thidvar0=v_t_funThread3of4ForFork0_thidvar0_4, ULTIMATE.start_main_#t~mem18=|v_ULTIMATE.start_main_#t~mem18_43|} OutVars{t_funThread3of4ForFork0_thidvar0=v_t_funThread3of4ForFork0_thidvar0_4, ULTIMATE.start_main_#t~mem18=|v_ULTIMATE.start_main_#t~mem18_43|} AuxVars[] AssignedVars[][53], [Black: 182#(= ~glob~0 0), Black: 186#(and (= ~glob~0 0) (not (= |t_funThread1of4ForFork0___VERIFIER_assert_#in~cond| 0))), Black: 188#(and (not (= t_funThread1of4ForFork0___VERIFIER_assert_~cond 0)) (= ~glob~0 0) (not (= |t_funThread1of4ForFork0___VERIFIER_assert_#in~cond| 0))), Black: 190#(and (not (= t_funThread1of4ForFork0___VERIFIER_assert_~cond 0)) (not (= |t_funThread1of4ForFork0___VERIFIER_assert_#in~cond| 0))), 139#L715-4true, 207#(and (not (= t_funThread2of4ForFork0___VERIFIER_assert_~cond 0)) (not (= |t_funThread2of4ForFork0___VERIFIER_assert_#in~cond| 0))), Black: 197#true, Black: 199#(= ~glob~0 0), Black: 200#(not (= |t_funThread2of4ForFork0___VERIFIER_assert_#in~cond| 0)), Black: 203#(and (not (= |t_funThread2of4ForFork0___VERIFIER_assert_#in~cond| 0)) (= ~glob~0 0)), Black: 205#(and (not (= t_funThread2of4ForFork0___VERIFIER_assert_~cond 0)) (not (= |t_funThread2of4ForFork0___VERIFIER_assert_#in~cond| 0)) (= ~glob~0 0)), 218#(not (= |t_funThread3of4ForFork0___VERIFIER_assert_#in~cond| 0)), Black: 215#true, Black: 217#(= ~glob~0 0), 224#true, t_funThread1of4ForFork0InUse, Black: 226#(= ULTIMATE.start_main_~i~1 0), t_funThread2of4ForFork0NotInUse, Black: 228#(<= ULTIMATE.start_main_~i~1 1), t_funThread3of4ForFork0NotInUse, Black: 300#(and (= |ULTIMATE.start_main_#t~post15| 0) (<= ULTIMATE.start_main_~i~1 1)), 305#true, t_funThread4of4ForFork0NotInUse, 180#true, 126#L708-3true]) [2021-03-25 16:23:32,475 INFO L384 tUnfolder$Statistics]: this new event has 102 ancestors and is cut-off event [2021-03-25 16:23:32,475 INFO L387 tUnfolder$Statistics]: existing Event has 84 ancestors and is cut-off event [2021-03-25 16:23:32,475 INFO L387 tUnfolder$Statistics]: existing Event has 84 ancestors and is cut-off event [2021-03-25 16:23:32,475 INFO L387 tUnfolder$Statistics]: existing Event has 101 ancestors and is cut-off event [2021-03-25 16:23:32,478 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1260] t_funEXIT-->L715-4: Formula: (= v_t_funThread3of4ForFork0_thidvar0_4 |v_ULTIMATE.start_main_#t~mem18_43|) InVars {t_funThread3of4ForFork0_thidvar0=v_t_funThread3of4ForFork0_thidvar0_4, ULTIMATE.start_main_#t~mem18=|v_ULTIMATE.start_main_#t~mem18_43|} OutVars{t_funThread3of4ForFork0_thidvar0=v_t_funThread3of4ForFork0_thidvar0_4, ULTIMATE.start_main_#t~mem18=|v_ULTIMATE.start_main_#t~mem18_43|} AuxVars[] AssignedVars[][53], [Black: 180#true, Black: 182#(= ~glob~0 0), Black: 186#(and (= ~glob~0 0) (not (= |t_funThread1of4ForFork0___VERIFIER_assert_#in~cond| 0))), Black: 188#(and (not (= t_funThread1of4ForFork0___VERIFIER_assert_~cond 0)) (= ~glob~0 0) (not (= |t_funThread1of4ForFork0___VERIFIER_assert_#in~cond| 0))), Black: 190#(and (not (= t_funThread1of4ForFork0___VERIFIER_assert_~cond 0)) (not (= |t_funThread1of4ForFork0___VERIFIER_assert_#in~cond| 0))), 139#L715-4true, 140#L708-4true, 207#(and (not (= t_funThread2of4ForFork0___VERIFIER_assert_~cond 0)) (not (= |t_funThread2of4ForFork0___VERIFIER_assert_#in~cond| 0))), Black: 197#true, Black: 199#(= ~glob~0 0), Black: 200#(not (= |t_funThread2of4ForFork0___VERIFIER_assert_#in~cond| 0)), Black: 203#(and (not (= |t_funThread2of4ForFork0___VERIFIER_assert_#in~cond| 0)) (= ~glob~0 0)), Black: 205#(and (not (= t_funThread2of4ForFork0___VERIFIER_assert_~cond 0)) (not (= |t_funThread2of4ForFork0___VERIFIER_assert_#in~cond| 0)) (= ~glob~0 0)), 218#(not (= |t_funThread3of4ForFork0___VERIFIER_assert_#in~cond| 0)), Black: 215#true, Black: 217#(= ~glob~0 0), 224#true, t_funThread1of4ForFork0NotInUse, Black: 226#(= ULTIMATE.start_main_~i~1 0), t_funThread2of4ForFork0InUse, Black: 228#(<= ULTIMATE.start_main_~i~1 1), Black: 300#(and (= |ULTIMATE.start_main_#t~post15| 0) (<= ULTIMATE.start_main_~i~1 1)), t_funThread3of4ForFork0NotInUse, 305#true, t_funThread4of4ForFork0NotInUse, 184#(not (= t_funThread1of4ForFork0___VERIFIER_assert_~cond 0))]) [2021-03-25 16:23:32,478 INFO L384 tUnfolder$Statistics]: this new event has 104 ancestors and is cut-off event [2021-03-25 16:23:32,478 INFO L387 tUnfolder$Statistics]: existing Event has 65 ancestors and is cut-off event [2021-03-25 16:23:32,478 INFO L387 tUnfolder$Statistics]: existing Event has 65 ancestors and is cut-off event [2021-03-25 16:23:32,478 INFO L387 tUnfolder$Statistics]: existing Event has 83 ancestors and is cut-off event [2021-03-25 16:23:32,479 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1260] t_funEXIT-->L715-4: Formula: (= v_t_funThread3of4ForFork0_thidvar0_4 |v_ULTIMATE.start_main_#t~mem18_43|) InVars {t_funThread3of4ForFork0_thidvar0=v_t_funThread3of4ForFork0_thidvar0_4, ULTIMATE.start_main_#t~mem18=|v_ULTIMATE.start_main_#t~mem18_43|} OutVars{t_funThread3of4ForFork0_thidvar0=v_t_funThread3of4ForFork0_thidvar0_4, ULTIMATE.start_main_#t~mem18=|v_ULTIMATE.start_main_#t~mem18_43|} AuxVars[] AssignedVars[][53], [Black: 180#true, Black: 182#(= ~glob~0 0), Black: 186#(and (= ~glob~0 0) (not (= |t_funThread1of4ForFork0___VERIFIER_assert_#in~cond| 0))), Black: 188#(and (not (= t_funThread1of4ForFork0___VERIFIER_assert_~cond 0)) (= ~glob~0 0) (not (= |t_funThread1of4ForFork0___VERIFIER_assert_#in~cond| 0))), Black: 190#(and (not (= t_funThread1of4ForFork0___VERIFIER_assert_~cond 0)) (not (= |t_funThread1of4ForFork0___VERIFIER_assert_#in~cond| 0))), 200#(not (= |t_funThread2of4ForFork0___VERIFIER_assert_#in~cond| 0)), 139#L715-4true, Black: 197#true, Black: 199#(= ~glob~0 0), Black: 203#(and (not (= |t_funThread2of4ForFork0___VERIFIER_assert_#in~cond| 0)) (= ~glob~0 0)), Black: 205#(and (not (= t_funThread2of4ForFork0___VERIFIER_assert_~cond 0)) (not (= |t_funThread2of4ForFork0___VERIFIER_assert_#in~cond| 0)) (= ~glob~0 0)), Black: 207#(and (not (= t_funThread2of4ForFork0___VERIFIER_assert_~cond 0)) (not (= |t_funThread2of4ForFork0___VERIFIER_assert_#in~cond| 0))), 218#(not (= |t_funThread3of4ForFork0___VERIFIER_assert_#in~cond| 0)), Black: 215#true, Black: 217#(= ~glob~0 0), 224#true, t_funThread1of4ForFork0NotInUse, Black: 226#(= ULTIMATE.start_main_~i~1 0), t_funThread2of4ForFork0InUse, Black: 228#(<= ULTIMATE.start_main_~i~1 1), Black: 300#(and (= |ULTIMATE.start_main_#t~post15| 0) (<= ULTIMATE.start_main_~i~1 1)), t_funThread3of4ForFork0NotInUse, 305#true, t_funThread4of4ForFork0NotInUse, 115#L685true, 184#(not (= t_funThread1of4ForFork0___VERIFIER_assert_~cond 0))]) [2021-03-25 16:23:32,479 INFO L384 tUnfolder$Statistics]: this new event has 104 ancestors and is cut-off event [2021-03-25 16:23:32,479 INFO L387 tUnfolder$Statistics]: existing Event has 84 ancestors and is cut-off event [2021-03-25 16:23:32,479 INFO L387 tUnfolder$Statistics]: existing Event has 65 ancestors and is cut-off event [2021-03-25 16:23:32,479 INFO L387 tUnfolder$Statistics]: existing Event has 65 ancestors and is cut-off event [2021-03-25 16:23:32,483 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1260] t_funEXIT-->L715-4: Formula: (= v_t_funThread3of4ForFork0_thidvar0_4 |v_ULTIMATE.start_main_#t~mem18_43|) InVars {t_funThread3of4ForFork0_thidvar0=v_t_funThread3of4ForFork0_thidvar0_4, ULTIMATE.start_main_#t~mem18=|v_ULTIMATE.start_main_#t~mem18_43|} OutVars{t_funThread3of4ForFork0_thidvar0=v_t_funThread3of4ForFork0_thidvar0_4, ULTIMATE.start_main_#t~mem18=|v_ULTIMATE.start_main_#t~mem18_43|} AuxVars[] AssignedVars[][53], [Black: 180#true, Black: 182#(= ~glob~0 0), Black: 186#(and (= ~glob~0 0) (not (= |t_funThread1of4ForFork0___VERIFIER_assert_#in~cond| 0))), Black: 188#(and (not (= t_funThread1of4ForFork0___VERIFIER_assert_~cond 0)) (= ~glob~0 0) (not (= |t_funThread1of4ForFork0___VERIFIER_assert_#in~cond| 0))), Black: 190#(and (not (= t_funThread1of4ForFork0___VERIFIER_assert_~cond 0)) (not (= |t_funThread1of4ForFork0___VERIFIER_assert_#in~cond| 0))), 139#L715-4true, 207#(and (not (= t_funThread2of4ForFork0___VERIFIER_assert_~cond 0)) (not (= |t_funThread2of4ForFork0___VERIFIER_assert_#in~cond| 0))), Black: 197#true, Black: 199#(= ~glob~0 0), Black: 200#(not (= |t_funThread2of4ForFork0___VERIFIER_assert_#in~cond| 0)), Black: 203#(and (not (= |t_funThread2of4ForFork0___VERIFIER_assert_#in~cond| 0)) (= ~glob~0 0)), Black: 205#(and (not (= t_funThread2of4ForFork0___VERIFIER_assert_~cond 0)) (not (= |t_funThread2of4ForFork0___VERIFIER_assert_#in~cond| 0)) (= ~glob~0 0)), 218#(not (= |t_funThread3of4ForFork0___VERIFIER_assert_#in~cond| 0)), Black: 215#true, Black: 217#(= ~glob~0 0), 224#true, t_funThread1of4ForFork0NotInUse, Black: 226#(= ULTIMATE.start_main_~i~1 0), t_funThread2of4ForFork0NotInUse, Black: 228#(<= ULTIMATE.start_main_~i~1 1), t_funThread3of4ForFork0NotInUse, Black: 300#(and (= |ULTIMATE.start_main_#t~post15| 0) (<= ULTIMATE.start_main_~i~1 1)), 305#true, t_funThread4of4ForFork0NotInUse, 184#(not (= t_funThread1of4ForFork0___VERIFIER_assert_~cond 0))]) [2021-03-25 16:23:32,483 INFO L384 tUnfolder$Statistics]: this new event has 112 ancestors and is cut-off event [2021-03-25 16:23:32,483 INFO L387 tUnfolder$Statistics]: existing Event has 73 ancestors and is cut-off event [2021-03-25 16:23:32,483 INFO L387 tUnfolder$Statistics]: existing Event has 91 ancestors and is cut-off event [2021-03-25 16:23:32,483 INFO L387 tUnfolder$Statistics]: existing Event has 73 ancestors and is cut-off event [2021-03-25 16:23:32,484 INFO L129 PetriNetUnfolder]: 1739/9473 cut-off events. [2021-03-25 16:23:32,484 INFO L130 PetriNetUnfolder]: For 11225/13541 co-relation queries the response was YES. [2021-03-25 16:23:32,610 INFO L84 FinitePrefix]: Finished finitePrefix Result has 17285 conditions, 9473 events. 1739/9473 cut-off events. For 11225/13541 co-relation queries the response was YES. Maximal size of possible extension queue 429. Compared 113663 event pairs, 526 based on Foata normal form. 62/8134 useless extension candidates. Maximal degree in co-relation 14858. Up to 1074 conditions per place. [2021-03-25 16:23:32,636 INFO L132 encePairwiseOnDemand]: 345/352 looper letters, 13 selfloop transitions, 5 changer transitions 1/132 dead transitions. [2021-03-25 16:23:32,636 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 118 places, 132 transitions, 841 flow [2021-03-25 16:23:32,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-25 16:23:32,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-25 16:23:32,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 2022 transitions. [2021-03-25 16:23:32,641 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8206168831168831 [2021-03-25 16:23:32,641 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 2022 transitions. [2021-03-25 16:23:32,641 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 2022 transitions. [2021-03-25 16:23:32,642 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 16:23:32,643 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 2022 transitions. [2021-03-25 16:23:32,646 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 288.85714285714283) internal successors, (2022), 7 states have internal predecessors, (2022), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 16:23:32,650 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 352.0) internal successors, (2816), 8 states have internal predecessors, (2816), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 16:23:32,650 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 352.0) internal successors, (2816), 8 states have internal predecessors, (2816), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 16:23:32,650 INFO L185 Difference]: Start difference. First operand has 112 places, 122 transitions, 775 flow. Second operand 7 states and 2022 transitions. [2021-03-25 16:23:32,650 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 118 places, 132 transitions, 841 flow [2021-03-25 16:23:32,684 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 117 places, 132 transitions, 835 flow, removed 3 selfloop flow, removed 1 redundant places. [2021-03-25 16:23:32,686 INFO L241 Difference]: Finished difference. Result has 120 places, 124 transitions, 801 flow [2021-03-25 16:23:32,686 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=352, PETRI_DIFFERENCE_MINUEND_FLOW=771, PETRI_DIFFERENCE_MINUEND_PLACES=111, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=122, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=117, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=801, PETRI_PLACES=120, PETRI_TRANSITIONS=124} [2021-03-25 16:23:32,686 INFO L343 CegarLoopForPetriNet]: 108 programPoint places, 12 predicate places. [2021-03-25 16:23:32,686 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 16:23:32,687 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 120 places, 124 transitions, 801 flow [2021-03-25 16:23:32,687 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 120 places, 124 transitions, 801 flow [2021-03-25 16:23:32,687 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 119 places, 124 transitions, 801 flow [2021-03-25 16:23:33,325 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1260] t_funEXIT-->L715-4: Formula: (= v_t_funThread3of4ForFork0_thidvar0_4 |v_ULTIMATE.start_main_#t~mem18_43|) InVars {t_funThread3of4ForFork0_thidvar0=v_t_funThread3of4ForFork0_thidvar0_4, ULTIMATE.start_main_#t~mem18=|v_ULTIMATE.start_main_#t~mem18_43|} OutVars{t_funThread3of4ForFork0_thidvar0=v_t_funThread3of4ForFork0_thidvar0_4, ULTIMATE.start_main_#t~mem18=|v_ULTIMATE.start_main_#t~mem18_43|} AuxVars[] AssignedVars[][22], [Black: 182#(= ~glob~0 0), Black: 186#(and (= ~glob~0 0) (not (= |t_funThread1of4ForFork0___VERIFIER_assert_#in~cond| 0))), Black: 188#(and (not (= t_funThread1of4ForFork0___VERIFIER_assert_~cond 0)) (= ~glob~0 0) (not (= |t_funThread1of4ForFork0___VERIFIER_assert_#in~cond| 0))), Black: 190#(and (not (= t_funThread1of4ForFork0___VERIFIER_assert_~cond 0)) (not (= |t_funThread1of4ForFork0___VERIFIER_assert_#in~cond| 0))), 7#t_funENTRYtrue, 139#L715-4true, 207#(and (not (= t_funThread2of4ForFork0___VERIFIER_assert_~cond 0)) (not (= |t_funThread2of4ForFork0___VERIFIER_assert_#in~cond| 0))), Black: 197#true, Black: 199#(= ~glob~0 0), Black: 200#(not (= |t_funThread2of4ForFork0___VERIFIER_assert_#in~cond| 0)), Black: 401#(and (<= |ULTIMATE.start_main_#t~post15| 1) (<= ULTIMATE.start_main_~i~1 2)), Black: 203#(and (not (= |t_funThread2of4ForFork0___VERIFIER_assert_#in~cond| 0)) (= ~glob~0 0)), Black: 309#(<= ULTIMATE.start_main_~i~1 1), Black: 205#(and (not (= t_funThread2of4ForFork0___VERIFIER_assert_~cond 0)) (not (= |t_funThread2of4ForFork0___VERIFIER_assert_#in~cond| 0)) (= ~glob~0 0)), Black: 311#(<= ULTIMATE.start_main_~i~1 2), 218#(not (= |t_funThread3of4ForFork0___VERIFIER_assert_#in~cond| 0)), Black: 215#true, Black: 217#(= ~glob~0 0), 224#true, t_funThread1of4ForFork0InUse, Black: 226#(= ULTIMATE.start_main_~i~1 0), t_funThread2of4ForFork0NotInUse, Black: 228#(<= ULTIMATE.start_main_~i~1 1), t_funThread3of4ForFork0NotInUse, 305#true, t_funThread4of4ForFork0NotInUse, 180#true]) [2021-03-25 16:23:33,325 INFO L384 tUnfolder$Statistics]: this new event has 80 ancestors and is cut-off event [2021-03-25 16:23:33,326 INFO L387 tUnfolder$Statistics]: existing Event has 78 ancestors and is cut-off event [2021-03-25 16:23:33,326 INFO L387 tUnfolder$Statistics]: existing Event has 60 ancestors and is cut-off event [2021-03-25 16:23:33,326 INFO L387 tUnfolder$Statistics]: existing Event has 60 ancestors and is cut-off event [2021-03-25 16:23:33,350 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1260] t_funEXIT-->L715-4: Formula: (= v_t_funThread3of4ForFork0_thidvar0_4 |v_ULTIMATE.start_main_#t~mem18_43|) InVars {t_funThread3of4ForFork0_thidvar0=v_t_funThread3of4ForFork0_thidvar0_4, ULTIMATE.start_main_#t~mem18=|v_ULTIMATE.start_main_#t~mem18_43|} OutVars{t_funThread3of4ForFork0_thidvar0=v_t_funThread3of4ForFork0_thidvar0_4, ULTIMATE.start_main_#t~mem18=|v_ULTIMATE.start_main_#t~mem18_43|} AuxVars[] AssignedVars[][22], [Black: 180#true, Black: 182#(= ~glob~0 0), Black: 186#(and (= ~glob~0 0) (not (= |t_funThread1of4ForFork0___VERIFIER_assert_#in~cond| 0))), Black: 188#(and (not (= t_funThread1of4ForFork0___VERIFIER_assert_~cond 0)) (= ~glob~0 0) (not (= |t_funThread1of4ForFork0___VERIFIER_assert_#in~cond| 0))), Black: 190#(and (not (= t_funThread1of4ForFork0___VERIFIER_assert_~cond 0)) (not (= |t_funThread1of4ForFork0___VERIFIER_assert_#in~cond| 0))), 139#L715-4true, 207#(and (not (= t_funThread2of4ForFork0___VERIFIER_assert_~cond 0)) (not (= |t_funThread2of4ForFork0___VERIFIER_assert_#in~cond| 0))), Black: 197#true, Black: 199#(= ~glob~0 0), Black: 401#(and (<= |ULTIMATE.start_main_#t~post15| 1) (<= ULTIMATE.start_main_~i~1 2)), Black: 200#(not (= |t_funThread2of4ForFork0___VERIFIER_assert_#in~cond| 0)), Black: 309#(<= ULTIMATE.start_main_~i~1 1), Black: 203#(and (not (= |t_funThread2of4ForFork0___VERIFIER_assert_#in~cond| 0)) (= ~glob~0 0)), Black: 205#(and (not (= t_funThread2of4ForFork0___VERIFIER_assert_~cond 0)) (not (= |t_funThread2of4ForFork0___VERIFIER_assert_#in~cond| 0)) (= ~glob~0 0)), Black: 311#(<= ULTIMATE.start_main_~i~1 2), 218#(not (= |t_funThread3of4ForFork0___VERIFIER_assert_#in~cond| 0)), Black: 215#true, Black: 217#(= ~glob~0 0), 224#true, t_funThread1of4ForFork0InUse, t_funThread2of4ForFork0NotInUse, Black: 226#(= ULTIMATE.start_main_~i~1 0), Black: 228#(<= ULTIMATE.start_main_~i~1 1), t_funThread3of4ForFork0NotInUse, 305#true, t_funThread4of4ForFork0NotInUse, 183#(not (= |t_funThread1of4ForFork0___VERIFIER_assert_#in~cond| 0)), 126#L708-3true]) [2021-03-25 16:23:33,350 INFO L384 tUnfolder$Statistics]: this new event has 83 ancestors and is cut-off event [2021-03-25 16:23:33,350 INFO L387 tUnfolder$Statistics]: existing Event has 64 ancestors and is cut-off event [2021-03-25 16:23:33,350 INFO L387 tUnfolder$Statistics]: existing Event has 81 ancestors and is cut-off event [2021-03-25 16:23:33,350 INFO L387 tUnfolder$Statistics]: existing Event has 63 ancestors and is cut-off event [2021-03-25 16:23:33,412 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1260] t_funEXIT-->L715-4: Formula: (= v_t_funThread3of4ForFork0_thidvar0_4 |v_ULTIMATE.start_main_#t~mem18_43|) InVars {t_funThread3of4ForFork0_thidvar0=v_t_funThread3of4ForFork0_thidvar0_4, ULTIMATE.start_main_#t~mem18=|v_ULTIMATE.start_main_#t~mem18_43|} OutVars{t_funThread3of4ForFork0_thidvar0=v_t_funThread3of4ForFork0_thidvar0_4, ULTIMATE.start_main_#t~mem18=|v_ULTIMATE.start_main_#t~mem18_43|} AuxVars[] AssignedVars[][22], [Black: 180#true, Black: 182#(= ~glob~0 0), Black: 186#(and (= ~glob~0 0) (not (= |t_funThread1of4ForFork0___VERIFIER_assert_#in~cond| 0))), Black: 188#(and (not (= t_funThread1of4ForFork0___VERIFIER_assert_~cond 0)) (= ~glob~0 0) (not (= |t_funThread1of4ForFork0___VERIFIER_assert_#in~cond| 0))), Black: 190#(and (not (= t_funThread1of4ForFork0___VERIFIER_assert_~cond 0)) (not (= |t_funThread1of4ForFork0___VERIFIER_assert_#in~cond| 0))), 139#L715-4true, 207#(and (not (= t_funThread2of4ForFork0___VERIFIER_assert_~cond 0)) (not (= |t_funThread2of4ForFork0___VERIFIER_assert_#in~cond| 0))), Black: 197#true, Black: 199#(= ~glob~0 0), Black: 200#(not (= |t_funThread2of4ForFork0___VERIFIER_assert_#in~cond| 0)), Black: 401#(and (<= |ULTIMATE.start_main_#t~post15| 1) (<= ULTIMATE.start_main_~i~1 2)), Black: 203#(and (not (= |t_funThread2of4ForFork0___VERIFIER_assert_#in~cond| 0)) (= ~glob~0 0)), Black: 309#(<= ULTIMATE.start_main_~i~1 1), Black: 205#(and (not (= t_funThread2of4ForFork0___VERIFIER_assert_~cond 0)) (not (= |t_funThread2of4ForFork0___VERIFIER_assert_#in~cond| 0)) (= ~glob~0 0)), Black: 311#(<= ULTIMATE.start_main_~i~1 2), 218#(not (= |t_funThread3of4ForFork0___VERIFIER_assert_#in~cond| 0)), Black: 215#true, Black: 217#(= ~glob~0 0), 224#true, t_funThread1of4ForFork0NotInUse, Black: 226#(= ULTIMATE.start_main_~i~1 0), t_funThread2of4ForFork0NotInUse, Black: 228#(<= ULTIMATE.start_main_~i~1 1), t_funThread3of4ForFork0NotInUse, 305#true, t_funThread4of4ForFork0NotInUse, 184#(not (= t_funThread1of4ForFork0___VERIFIER_assert_~cond 0))]) [2021-03-25 16:23:33,412 INFO L384 tUnfolder$Statistics]: this new event has 93 ancestors and is cut-off event [2021-03-25 16:23:33,412 INFO L387 tUnfolder$Statistics]: existing Event has 73 ancestors and is cut-off event [2021-03-25 16:23:33,412 INFO L387 tUnfolder$Statistics]: existing Event has 73 ancestors and is cut-off event [2021-03-25 16:23:33,412 INFO L387 tUnfolder$Statistics]: existing Event has 91 ancestors and is cut-off event [2021-03-25 16:23:33,432 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1260] t_funEXIT-->L715-4: Formula: (= v_t_funThread3of4ForFork0_thidvar0_4 |v_ULTIMATE.start_main_#t~mem18_43|) InVars {t_funThread3of4ForFork0_thidvar0=v_t_funThread3of4ForFork0_thidvar0_4, ULTIMATE.start_main_#t~mem18=|v_ULTIMATE.start_main_#t~mem18_43|} OutVars{t_funThread3of4ForFork0_thidvar0=v_t_funThread3of4ForFork0_thidvar0_4, ULTIMATE.start_main_#t~mem18=|v_ULTIMATE.start_main_#t~mem18_43|} AuxVars[] AssignedVars[][22], [Black: 182#(= ~glob~0 0), Black: 186#(and (= ~glob~0 0) (not (= |t_funThread1of4ForFork0___VERIFIER_assert_#in~cond| 0))), Black: 188#(and (not (= t_funThread1of4ForFork0___VERIFIER_assert_~cond 0)) (= ~glob~0 0) (not (= |t_funThread1of4ForFork0___VERIFIER_assert_#in~cond| 0))), Black: 190#(and (not (= t_funThread1of4ForFork0___VERIFIER_assert_~cond 0)) (not (= |t_funThread1of4ForFork0___VERIFIER_assert_#in~cond| 0))), 139#L715-4true, 207#(and (not (= t_funThread2of4ForFork0___VERIFIER_assert_~cond 0)) (not (= |t_funThread2of4ForFork0___VERIFIER_assert_#in~cond| 0))), Black: 197#true, Black: 199#(= ~glob~0 0), Black: 200#(not (= |t_funThread2of4ForFork0___VERIFIER_assert_#in~cond| 0)), Black: 401#(and (<= |ULTIMATE.start_main_#t~post15| 1) (<= ULTIMATE.start_main_~i~1 2)), Black: 309#(<= ULTIMATE.start_main_~i~1 1), Black: 203#(and (not (= |t_funThread2of4ForFork0___VERIFIER_assert_#in~cond| 0)) (= ~glob~0 0)), Black: 311#(<= ULTIMATE.start_main_~i~1 2), Black: 205#(and (not (= t_funThread2of4ForFork0___VERIFIER_assert_~cond 0)) (not (= |t_funThread2of4ForFork0___VERIFIER_assert_#in~cond| 0)) (= ~glob~0 0)), 218#(not (= |t_funThread3of4ForFork0___VERIFIER_assert_#in~cond| 0)), Black: 215#true, Black: 217#(= ~glob~0 0), 224#true, t_funThread1of4ForFork0InUse, t_funThread2of4ForFork0NotInUse, Black: 226#(= ULTIMATE.start_main_~i~1 0), Black: 228#(<= ULTIMATE.start_main_~i~1 1), t_funThread3of4ForFork0NotInUse, 305#true, t_funThread4of4ForFork0NotInUse, 180#true, 126#L708-3true]) [2021-03-25 16:23:33,432 INFO L384 tUnfolder$Statistics]: this new event has 102 ancestors and is cut-off event [2021-03-25 16:23:33,432 INFO L387 tUnfolder$Statistics]: existing Event has 84 ancestors and is cut-off event [2021-03-25 16:23:33,432 INFO L387 tUnfolder$Statistics]: existing Event has 101 ancestors and is cut-off event [2021-03-25 16:23:33,432 INFO L387 tUnfolder$Statistics]: existing Event has 84 ancestors and is cut-off event [2021-03-25 16:23:33,436 INFO L129 PetriNetUnfolder]: 1674/9227 cut-off events. [2021-03-25 16:23:33,437 INFO L130 PetriNetUnfolder]: For 10970/13362 co-relation queries the response was YES. [2021-03-25 16:23:33,476 INFO L84 FinitePrefix]: Finished finitePrefix Result has 16932 conditions, 9227 events. 1674/9227 cut-off events. For 10970/13362 co-relation queries the response was YES. Maximal size of possible extension queue 433. Compared 111351 event pairs, 548 based on Foata normal form. 31/7883 useless extension candidates. Maximal degree in co-relation 16857. Up to 1000 conditions per place. [2021-03-25 16:23:33,559 INFO L142 LiptonReduction]: Number of co-enabled transitions 4764 [2021-03-25 16:23:56,816 INFO L154 LiptonReduction]: Checked pairs total: 7924 [2021-03-25 16:23:56,816 INFO L156 LiptonReduction]: Total number of compositions: 4 [2021-03-25 16:23:56,816 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 24130 [2021-03-25 16:23:56,816 INFO L480 AbstractCegarLoop]: Abstraction has has 118 places, 123 transitions, 803 flow [2021-03-25 16:23:56,817 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 287.8888888888889) internal successors, (2591), 9 states have internal predecessors, (2591), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 16:23:56,817 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 16:23:56,817 INFO L263 CegarLoopForPetriNet]: trace histogram [5, 5, 4, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 16:23:57,031 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2021-03-25 16:23:57,032 INFO L428 AbstractCegarLoop]: === Iteration 6 === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 16:23:57,032 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 16:23:57,032 INFO L82 PathProgramCache]: Analyzing trace with hash 594526539, now seen corresponding path program 1 times [2021-03-25 16:23:57,032 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 16:23:57,032 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [268213843] [2021-03-25 16:23:57,032 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 16:23:57,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-03-25 16:23:57,041 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-03-25 16:23:57,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-03-25 16:23:57,046 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-03-25 16:23:57,052 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-03-25 16:23:57,052 INFO L634 BasicCegarLoop]: Counterexample might be feasible [2021-03-25 16:23:57,052 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-03-25 16:23:57,052 WARN L342 ceAbstractionStarter]: 4 thread instances were not sufficient, I will increase this number and restart the analysis [2021-03-25 16:23:57,052 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 5 thread instances. [2021-03-25 16:23:57,078 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:23:57,079 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:23:57,079 WARN L313 ript$VariableManager]: TermVariabe t_funThread3of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:23:57,079 WARN L313 ript$VariableManager]: TermVariabe t_funThread3of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:23:57,079 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:23:57,079 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:23:57,079 WARN L313 ript$VariableManager]: TermVariabe t_funThread3of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:23:57,079 WARN L313 ript$VariableManager]: TermVariabe t_funThread3of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:23:57,079 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:23:57,079 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:23:57,079 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:23:57,079 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:23:57,079 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:23:57,079 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:23:57,079 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:23:57,079 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:23:57,080 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:23:57,080 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:23:57,080 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:23:57,080 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:23:57,080 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:23:57,080 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:23:57,080 WARN L313 ript$VariableManager]: TermVariabe t_funThread3of5ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:23:57,080 WARN L313 ript$VariableManager]: TermVariabe t_funThread3of5ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:23:57,080 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:23:57,080 WARN L313 ript$VariableManager]: TermVariabe t_funThread3of5ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:23:57,080 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:23:57,080 WARN L313 ript$VariableManager]: TermVariabe t_funThread3of5ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:23:57,080 WARN L313 ript$VariableManager]: TermVariabe t_funThread3of5ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:23:57,080 WARN L313 ript$VariableManager]: TermVariabe t_funThread3of5ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:23:57,080 WARN L313 ript$VariableManager]: TermVariabe t_funThread3of5ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:23:57,080 WARN L313 ript$VariableManager]: TermVariabe t_funThread3of5ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:23:57,081 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:23:57,081 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:23:57,081 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:23:57,081 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:23:57,081 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:23:57,081 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:23:57,081 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:23:57,081 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:23:57,081 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:23:57,081 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:23:57,081 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:23:57,081 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:23:57,081 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:23:57,081 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:23:57,081 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:23:57,081 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:23:57,082 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:23:57,082 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:23:57,082 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:23:57,082 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:23:57,082 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:23:57,082 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:23:57,082 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of5ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:23:57,082 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of5ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:23:57,082 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:23:57,082 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of5ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:23:57,082 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:23:57,082 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of5ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:23:57,082 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of5ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:23:57,082 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of5ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:23:57,082 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of5ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:23:57,082 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of5ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:23:57,083 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:23:57,083 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:23:57,083 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:23:57,083 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:23:57,083 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:23:57,083 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:23:57,083 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:23:57,083 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:23:57,083 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:23:57,083 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:23:57,083 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:23:57,083 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:23:57,083 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:23:57,083 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:23:57,083 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:23:57,083 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:23:57,083 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:23:57,084 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:23:57,084 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:23:57,084 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:23:57,084 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:23:57,084 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:23:57,084 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of5ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:23:57,084 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of5ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:23:57,084 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:23:57,084 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of5ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:23:57,084 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:23:57,084 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of5ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:23:57,084 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of5ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:23:57,084 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of5ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:23:57,084 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of5ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:23:57,084 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of5ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:23:57,085 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:23:57,085 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:23:57,085 WARN L313 ript$VariableManager]: TermVariabe t_funThread4of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:23:57,085 WARN L313 ript$VariableManager]: TermVariabe t_funThread4of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:23:57,085 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:23:57,085 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:23:57,085 WARN L313 ript$VariableManager]: TermVariabe t_funThread4of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:23:57,085 WARN L313 ript$VariableManager]: TermVariabe t_funThread4of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:23:57,085 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:23:57,085 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:23:57,085 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:23:57,085 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:23:57,085 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:23:57,085 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:23:57,085 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:23:57,085 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:23:57,085 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:23:57,086 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:23:57,086 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:23:57,086 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:23:57,086 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:23:57,086 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:23:57,086 WARN L313 ript$VariableManager]: TermVariabe t_funThread4of5ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:23:57,086 WARN L313 ript$VariableManager]: TermVariabe t_funThread4of5ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:23:57,086 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:23:57,086 WARN L313 ript$VariableManager]: TermVariabe t_funThread4of5ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:23:57,086 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:23:57,086 WARN L313 ript$VariableManager]: TermVariabe t_funThread4of5ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:23:57,086 WARN L313 ript$VariableManager]: TermVariabe t_funThread4of5ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:23:57,086 WARN L313 ript$VariableManager]: TermVariabe t_funThread4of5ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:23:57,086 WARN L313 ript$VariableManager]: TermVariabe t_funThread4of5ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:23:57,086 WARN L313 ript$VariableManager]: TermVariabe t_funThread4of5ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:23:57,086 WARN L313 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:23:57,086 WARN L313 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:23:57,087 WARN L313 ript$VariableManager]: TermVariabe t_funThread5of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:23:57,087 WARN L313 ript$VariableManager]: TermVariabe t_funThread5of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:23:57,087 WARN L313 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:23:57,087 WARN L313 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:23:57,087 WARN L313 ript$VariableManager]: TermVariabe t_funThread5of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:23:57,087 WARN L313 ript$VariableManager]: TermVariabe t_funThread5of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:23:57,087 WARN L313 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:23:57,087 WARN L313 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:23:57,087 WARN L313 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:23:57,087 WARN L313 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:23:57,087 WARN L313 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:23:57,087 WARN L313 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:23:57,087 WARN L313 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:23:57,087 WARN L313 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:23:57,087 WARN L313 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:23:57,087 WARN L313 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:23:57,087 WARN L313 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:23:57,088 WARN L313 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:23:57,088 WARN L313 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:23:57,088 WARN L313 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:23:57,088 WARN L313 ript$VariableManager]: TermVariabe t_funThread5of5ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:23:57,088 WARN L313 ript$VariableManager]: TermVariabe t_funThread5of5ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:23:57,088 WARN L313 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:23:57,088 WARN L313 ript$VariableManager]: TermVariabe t_funThread5of5ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:23:57,088 WARN L313 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:23:57,088 WARN L313 ript$VariableManager]: TermVariabe t_funThread5of5ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:23:57,088 WARN L313 ript$VariableManager]: TermVariabe t_funThread5of5ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:23:57,088 WARN L313 ript$VariableManager]: TermVariabe t_funThread5of5ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:23:57,088 WARN L313 ript$VariableManager]: TermVariabe t_funThread5of5ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:23:57,088 WARN L313 ript$VariableManager]: TermVariabe t_funThread5of5ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:23:57,089 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:23:57,089 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of5ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:23:57,089 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:23:57,089 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:23:57,089 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:23:57,089 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:23:57,089 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:23:57,089 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:23:57,091 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of5ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:23:57,091 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:23:57,091 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:23:57,091 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:23:57,091 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:23:57,091 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:23:57,091 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:23:57,092 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:23:57,092 WARN L313 ript$VariableManager]: TermVariabe t_funThread3of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:23:57,093 WARN L313 ript$VariableManager]: TermVariabe t_funThread3of5ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:23:57,093 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:23:57,093 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:23:57,093 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:23:57,093 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:23:57,093 WARN L313 ript$VariableManager]: TermVariabe t_funThread3of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:23:57,093 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:23:57,094 WARN L313 ript$VariableManager]: TermVariabe t_funThread4of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:23:57,094 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:23:57,095 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:23:57,095 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:23:57,095 WARN L313 ript$VariableManager]: TermVariabe t_funThread4of5ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:23:57,095 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:23:57,095 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:23:57,095 WARN L313 ript$VariableManager]: TermVariabe t_funThread4of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:23:57,096 WARN L313 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:23:57,096 WARN L313 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:23:57,096 WARN L313 ript$VariableManager]: TermVariabe t_funThread5of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:23:57,096 WARN L313 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:23:57,096 WARN L313 ript$VariableManager]: TermVariabe t_funThread5of5ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:23:57,096 WARN L313 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:23:57,096 WARN L313 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:23:57,096 WARN L313 ript$VariableManager]: TermVariabe t_funThread5of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:23:57,100 INFO L149 ThreadInstanceAdder]: Constructed 5 joinOtherThreadTransitions. [2021-03-25 16:23:57,100 INFO L253 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2021-03-25 16:23:57,101 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-03-25 16:23:57,101 INFO L377 AbstractCegarLoop]: Hoare is false [2021-03-25 16:23:57,101 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-03-25 16:23:57,101 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-03-25 16:23:57,101 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-03-25 16:23:57,101 INFO L381 AbstractCegarLoop]: Difference is false [2021-03-25 16:23:57,101 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-03-25 16:23:57,101 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-03-25 16:23:57,103 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 196 places, 216 transitions, 492 flow [2021-03-25 16:23:57,179 INFO L129 PetriNetUnfolder]: 161/996 cut-off events. [2021-03-25 16:23:57,179 INFO L130 PetriNetUnfolder]: For 110/110 co-relation queries the response was YES. [2021-03-25 16:23:57,188 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1107 conditions, 996 events. 161/996 cut-off events. For 110/110 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 5134 event pairs, 23 based on Foata normal form. 0/846 useless extension candidates. Maximal degree in co-relation 702. Up to 80 conditions per place. [2021-03-25 16:23:57,188 INFO L82 GeneralOperation]: Start removeDead. Operand has 196 places, 216 transitions, 492 flow [2021-03-25 16:23:57,194 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 196 places, 216 transitions, 492 flow [2021-03-25 16:23:57,194 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 16:23:57,194 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 196 places, 216 transitions, 492 flow [2021-03-25 16:23:57,195 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 196 places, 216 transitions, 492 flow [2021-03-25 16:23:57,195 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 196 places, 216 transitions, 492 flow [2021-03-25 16:23:57,359 INFO L129 PetriNetUnfolder]: 161/996 cut-off events. [2021-03-25 16:23:57,359 INFO L130 PetriNetUnfolder]: For 110/110 co-relation queries the response was YES. [2021-03-25 16:23:57,366 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1107 conditions, 996 events. 161/996 cut-off events. For 110/110 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 5154 event pairs, 23 based on Foata normal form. 0/846 useless extension candidates. Maximal degree in co-relation 702. Up to 80 conditions per place. [2021-03-25 16:23:57,387 INFO L142 LiptonReduction]: Number of co-enabled transitions 24400 [2021-03-25 16:23:59,792 INFO L154 LiptonReduction]: Checked pairs total: 11809 [2021-03-25 16:23:59,793 INFO L156 LiptonReduction]: Total number of compositions: 110 [2021-03-25 16:23:59,793 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2599 [2021-03-25 16:23:59,796 INFO L129 PetriNetUnfolder]: 5/58 cut-off events. [2021-03-25 16:23:59,796 INFO L130 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2021-03-25 16:23:59,796 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 16:23:59,796 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 16:23:59,797 INFO L428 AbstractCegarLoop]: === Iteration 1 === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 16:23:59,797 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 16:23:59,797 INFO L82 PathProgramCache]: Analyzing trace with hash -1660770458, now seen corresponding path program 1 times [2021-03-25 16:23:59,797 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 16:23:59,797 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [350373245] [2021-03-25 16:23:59,797 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 16:23:59,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 16:23:59,818 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:23:59,818 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 16:23:59,819 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:23:59,819 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 16:23:59,822 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:23:59,823 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-25 16:23:59,826 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:23:59,826 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-25 16:23:59,830 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 16:23:59,830 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [350373245] [2021-03-25 16:23:59,831 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 16:23:59,831 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-03-25 16:23:59,831 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [423970344] [2021-03-25 16:23:59,831 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-03-25 16:23:59,831 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 16:23:59,831 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-03-25 16:23:59,831 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-03-25 16:23:59,833 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 249 out of 326 [2021-03-25 16:23:59,834 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 121 places, 136 transitions, 332 flow. Second operand has 5 states, 5 states have (on average 250.2) internal successors, (1251), 5 states have internal predecessors, (1251), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 16:23:59,834 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 16:23:59,834 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 249 of 326 [2021-03-25 16:23:59,834 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 16:24:01,196 INFO L129 PetriNetUnfolder]: 4514/16536 cut-off events. [2021-03-25 16:24:01,197 INFO L130 PetriNetUnfolder]: For 1353/1447 co-relation queries the response was YES. [2021-03-25 16:24:01,281 INFO L84 FinitePrefix]: Finished finitePrefix Result has 22993 conditions, 16536 events. 4514/16536 cut-off events. For 1353/1447 co-relation queries the response was YES. Maximal size of possible extension queue 544. Compared 193299 event pairs, 903 based on Foata normal form. 8707/23572 useless extension candidates. Maximal degree in co-relation 13361. Up to 2133 conditions per place. [2021-03-25 16:24:01,476 INFO L132 encePairwiseOnDemand]: 301/326 looper letters, 56 selfloop transitions, 8 changer transitions 0/164 dead transitions. [2021-03-25 16:24:01,476 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 126 places, 164 transitions, 516 flow [2021-03-25 16:24:01,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-25 16:24:01,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-25 16:24:01,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 2170 transitions. [2021-03-25 16:24:01,482 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8320552147239264 [2021-03-25 16:24:01,482 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 2170 transitions. [2021-03-25 16:24:01,482 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 2170 transitions. [2021-03-25 16:24:01,483 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 16:24:01,483 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 2170 transitions. [2021-03-25 16:24:01,487 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 271.25) internal successors, (2170), 8 states have internal predecessors, (2170), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 16:24:01,491 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 326.0) internal successors, (2934), 9 states have internal predecessors, (2934), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 16:24:01,491 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 326.0) internal successors, (2934), 9 states have internal predecessors, (2934), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 16:24:01,491 INFO L185 Difference]: Start difference. First operand has 121 places, 136 transitions, 332 flow. Second operand 8 states and 2170 transitions. [2021-03-25 16:24:01,492 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 126 places, 164 transitions, 516 flow [2021-03-25 16:24:01,494 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 126 places, 164 transitions, 516 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-03-25 16:24:01,496 INFO L241 Difference]: Finished difference. Result has 131 places, 122 transitions, 349 flow [2021-03-25 16:24:01,496 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=326, PETRI_DIFFERENCE_MINUEND_FLOW=290, PETRI_DIFFERENCE_MINUEND_PLACES=119, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=115, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=110, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=349, PETRI_PLACES=131, PETRI_TRANSITIONS=122} [2021-03-25 16:24:01,496 INFO L343 CegarLoopForPetriNet]: 121 programPoint places, 10 predicate places. [2021-03-25 16:24:01,496 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 16:24:01,497 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 131 places, 122 transitions, 349 flow [2021-03-25 16:24:01,497 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 131 places, 122 transitions, 349 flow [2021-03-25 16:24:01,497 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 131 places, 122 transitions, 349 flow [2021-03-25 16:24:01,608 INFO L129 PetriNetUnfolder]: 233/1821 cut-off events. [2021-03-25 16:24:01,608 INFO L130 PetriNetUnfolder]: For 409/431 co-relation queries the response was YES. [2021-03-25 16:24:01,616 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2281 conditions, 1821 events. 233/1821 cut-off events. For 409/431 co-relation queries the response was YES. Maximal size of possible extension queue 45. Compared 13563 event pairs, 75 based on Foata normal form. 5/1648 useless extension candidates. Maximal degree in co-relation 1658. Up to 272 conditions per place. [2021-03-25 16:24:01,639 INFO L142 LiptonReduction]: Number of co-enabled transitions 8658 [2021-03-25 16:24:03,791 INFO L154 LiptonReduction]: Checked pairs total: 11926 [2021-03-25 16:24:03,791 INFO L156 LiptonReduction]: Total number of compositions: 40 [2021-03-25 16:24:03,791 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2295 [2021-03-25 16:24:03,792 INFO L480 AbstractCegarLoop]: Abstraction has has 100 places, 91 transitions, 289 flow [2021-03-25 16:24:03,792 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 250.2) internal successors, (1251), 5 states have internal predecessors, (1251), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 16:24:03,792 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 16:24:03,792 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 16:24:03,792 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-03-25 16:24:03,792 INFO L428 AbstractCegarLoop]: === Iteration 2 === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 16:24:03,793 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 16:24:03,793 INFO L82 PathProgramCache]: Analyzing trace with hash -664812619, now seen corresponding path program 1 times [2021-03-25 16:24:03,793 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 16:24:03,793 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1865042407] [2021-03-25 16:24:03,793 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 16:24:03,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 16:24:03,812 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:24:03,813 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 16:24:03,813 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:24:03,813 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 16:24:03,816 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:24:03,816 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-25 16:24:03,819 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:24:03,820 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-25 16:24:03,823 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-03-25 16:24:03,823 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1865042407] [2021-03-25 16:24:03,823 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 16:24:03,824 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-03-25 16:24:03,824 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1424695312] [2021-03-25 16:24:03,824 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-03-25 16:24:03,824 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 16:24:03,824 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-03-25 16:24:03,824 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-03-25 16:24:03,826 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 273 out of 366 [2021-03-25 16:24:03,827 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 100 places, 91 transitions, 289 flow. Second operand has 5 states, 5 states have (on average 274.2) internal successors, (1371), 5 states have internal predecessors, (1371), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 16:24:03,827 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 16:24:03,827 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 273 of 366 [2021-03-25 16:24:03,827 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 16:24:06,969 INFO L129 PetriNetUnfolder]: 13030/37231 cut-off events. [2021-03-25 16:24:06,969 INFO L130 PetriNetUnfolder]: For 10527/10559 co-relation queries the response was YES. [2021-03-25 16:24:07,094 INFO L84 FinitePrefix]: Finished finitePrefix Result has 61899 conditions, 37231 events. 13030/37231 cut-off events. For 10527/10559 co-relation queries the response was YES. Maximal size of possible extension queue 1249. Compared 452761 event pairs, 4619 based on Foata normal form. 0/30321 useless extension candidates. Maximal degree in co-relation 40540. Up to 6913 conditions per place. [2021-03-25 16:24:07,306 INFO L132 encePairwiseOnDemand]: 356/366 looper letters, 55 selfloop transitions, 24 changer transitions 0/150 dead transitions. [2021-03-25 16:24:07,307 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 106 places, 150 transitions, 647 flow [2021-03-25 16:24:07,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-25 16:24:07,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-25 16:24:07,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 1992 transitions. [2021-03-25 16:24:07,311 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7775175644028103 [2021-03-25 16:24:07,312 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 1992 transitions. [2021-03-25 16:24:07,312 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 1992 transitions. [2021-03-25 16:24:07,313 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 16:24:07,313 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 1992 transitions. [2021-03-25 16:24:07,316 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 284.57142857142856) internal successors, (1992), 7 states have internal predecessors, (1992), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 16:24:07,320 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 366.0) internal successors, (2928), 8 states have internal predecessors, (2928), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 16:24:07,320 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 366.0) internal successors, (2928), 8 states have internal predecessors, (2928), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 16:24:07,320 INFO L185 Difference]: Start difference. First operand has 100 places, 91 transitions, 289 flow. Second operand 7 states and 1992 transitions. [2021-03-25 16:24:07,320 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 106 places, 150 transitions, 647 flow [2021-03-25 16:24:07,355 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 106 places, 150 transitions, 641 flow, removed 3 selfloop flow, removed 0 redundant places. [2021-03-25 16:24:07,357 INFO L241 Difference]: Finished difference. Result has 112 places, 110 transitions, 497 flow [2021-03-25 16:24:07,357 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=366, PETRI_DIFFERENCE_MINUEND_FLOW=287, PETRI_DIFFERENCE_MINUEND_PLACES=100, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=91, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=82, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=497, PETRI_PLACES=112, PETRI_TRANSITIONS=110} [2021-03-25 16:24:07,357 INFO L343 CegarLoopForPetriNet]: 121 programPoint places, -9 predicate places. [2021-03-25 16:24:07,357 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 16:24:07,357 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 112 places, 110 transitions, 497 flow [2021-03-25 16:24:07,358 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 112 places, 110 transitions, 497 flow [2021-03-25 16:24:07,358 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 112 places, 110 transitions, 497 flow [2021-03-25 16:24:08,259 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1789] L702-3-->L702-5: Formula: (= (+ |v_ULTIMATE.start_bar_#t~post10_186| 1) v_~glob~0_362) InVars {ULTIMATE.start_bar_#t~post10=|v_ULTIMATE.start_bar_#t~post10_186|} OutVars{~glob~0=v_~glob~0_362, ULTIMATE.start_bar_#t~post10=|v_ULTIMATE.start_bar_#t~post10_185|} AuxVars[] AssignedVars[~glob~0, ULTIMATE.start_bar_#t~post10][43], [t_funThread2of5ForFork0InUse, t_funThread3of5ForFork0InUse, t_funThread4of5ForFork0InUse, Black: 225#(and (not (= t_funThread2of5ForFork0___VERIFIER_assert_~cond 0)) (= ~glob~0 0) (not (= |t_funThread2of5ForFork0___VERIFIER_assert_#in~cond| 0))), t_funThread5of5ForFork0NotInUse, Black: 227#(and (not (= t_funThread2of5ForFork0___VERIFIER_assert_~cond 0)) (not (= |t_funThread2of5ForFork0___VERIFIER_assert_#in~cond| 0))), Black: 219#(= ~glob~0 0), 200#true, Black: 220#(not (= |t_funThread2of5ForFork0___VERIFIER_assert_#in~cond| 0)), Black: 223#(and (= ~glob~0 0) (not (= |t_funThread2of5ForFork0___VERIFIER_assert_#in~cond| 0))), 47#t_funErr0ASSERT_VIOLATIONERROR_FUNCTIONtrue, 79#L685-5true, 112#t_funErr0ASSERT_VIOLATIONERROR_FUNCTIONtrue, 51#t_funErr0ASSERT_VIOLATIONERROR_FUNCTIONtrue, Black: 208#(and (not (= 0 |t_funThread1of5ForFork0___VERIFIER_assert_#in~cond|)) (= ~glob~0 0) (not (= t_funThread1of5ForFork0___VERIFIER_assert_~cond 0))), Black: 210#(and (not (= 0 |t_funThread1of5ForFork0___VERIFIER_assert_#in~cond|)) (not (= t_funThread1of5ForFork0___VERIFIER_assert_~cond 0))), 85#L702-5true, Black: 202#(= ~glob~0 0), Black: 206#(and (not (= 0 |t_funThread1of5ForFork0___VERIFIER_assert_#in~cond|)) (= ~glob~0 0)), 217#true, t_funThread1of5ForFork0InUse]) [2021-03-25 16:24:08,259 INFO L384 tUnfolder$Statistics]: this new event has 99 ancestors and is cut-off event [2021-03-25 16:24:08,259 INFO L387 tUnfolder$Statistics]: existing Event has 99 ancestors and is cut-off event [2021-03-25 16:24:08,259 INFO L387 tUnfolder$Statistics]: existing Event has 79 ancestors and is cut-off event [2021-03-25 16:24:08,259 INFO L387 tUnfolder$Statistics]: existing Event has 79 ancestors and is cut-off event [2021-03-25 16:24:08,284 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1789] L702-3-->L702-5: Formula: (= (+ |v_ULTIMATE.start_bar_#t~post10_186| 1) v_~glob~0_362) InVars {ULTIMATE.start_bar_#t~post10=|v_ULTIMATE.start_bar_#t~post10_186|} OutVars{~glob~0=v_~glob~0_362, ULTIMATE.start_bar_#t~post10=|v_ULTIMATE.start_bar_#t~post10_185|} AuxVars[] AssignedVars[~glob~0, ULTIMATE.start_bar_#t~post10][43], [t_funThread2of5ForFork0InUse, t_funThread3of5ForFork0InUse, Black: 225#(and (not (= t_funThread2of5ForFork0___VERIFIER_assert_~cond 0)) (= ~glob~0 0) (not (= |t_funThread2of5ForFork0___VERIFIER_assert_#in~cond| 0))), t_funThread4of5ForFork0InUse, Black: 227#(and (not (= t_funThread2of5ForFork0___VERIFIER_assert_~cond 0)) (not (= |t_funThread2of5ForFork0___VERIFIER_assert_#in~cond| 0))), t_funThread5of5ForFork0InUse, Black: 219#(= ~glob~0 0), 200#true, Black: 220#(not (= |t_funThread2of5ForFork0___VERIFIER_assert_#in~cond| 0)), Black: 223#(and (= ~glob~0 0) (not (= |t_funThread2of5ForFork0___VERIFIER_assert_#in~cond| 0))), 47#t_funErr0ASSERT_VIOLATIONERROR_FUNCTIONtrue, 79#L685-5true, 112#t_funErr0ASSERT_VIOLATIONERROR_FUNCTIONtrue, 51#t_funErr0ASSERT_VIOLATIONERROR_FUNCTIONtrue, Black: 208#(and (not (= 0 |t_funThread1of5ForFork0___VERIFIER_assert_#in~cond|)) (= ~glob~0 0) (not (= t_funThread1of5ForFork0___VERIFIER_assert_~cond 0))), 85#L702-5true, Black: 210#(and (not (= 0 |t_funThread1of5ForFork0___VERIFIER_assert_#in~cond|)) (not (= t_funThread1of5ForFork0___VERIFIER_assert_~cond 0))), Black: 202#(= ~glob~0 0), Black: 206#(and (not (= 0 |t_funThread1of5ForFork0___VERIFIER_assert_#in~cond|)) (= ~glob~0 0)), 217#true, 189#t_funENTRYtrue, t_funThread1of5ForFork0InUse]) [2021-03-25 16:24:08,284 INFO L384 tUnfolder$Statistics]: this new event has 106 ancestors and is cut-off event [2021-03-25 16:24:08,284 INFO L387 tUnfolder$Statistics]: existing Event has 86 ancestors and is cut-off event [2021-03-25 16:24:08,284 INFO L387 tUnfolder$Statistics]: existing Event has 86 ancestors and is cut-off event [2021-03-25 16:24:08,284 INFO L387 tUnfolder$Statistics]: existing Event has 106 ancestors and is cut-off event [2021-03-25 16:24:08,297 INFO L129 PetriNetUnfolder]: 2517/11577 cut-off events. [2021-03-25 16:24:08,297 INFO L130 PetriNetUnfolder]: For 12021/15503 co-relation queries the response was YES. [2021-03-25 16:24:08,342 INFO L84 FinitePrefix]: Finished finitePrefix Result has 21655 conditions, 11577 events. 2517/11577 cut-off events. For 12021/15503 co-relation queries the response was YES. Maximal size of possible extension queue 513. Compared 137135 event pairs, 945 based on Foata normal form. 135/10086 useless extension candidates. Maximal degree in co-relation 16920. Up to 1781 conditions per place. [2021-03-25 16:24:08,446 INFO L142 LiptonReduction]: Number of co-enabled transitions 5434 [2021-03-25 16:24:23,334 WARN L205 SmtUtils]: Spent 501.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 133 [2021-03-25 16:24:23,523 WARN L205 SmtUtils]: Spent 188.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2021-03-25 16:24:23,940 WARN L205 SmtUtils]: Spent 416.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 133 [2021-03-25 16:24:24,135 WARN L205 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2021-03-25 16:24:50,604 INFO L154 LiptonReduction]: Checked pairs total: 10583 [2021-03-25 16:24:50,604 INFO L156 LiptonReduction]: Total number of compositions: 17 [2021-03-25 16:24:50,605 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 43248 [2021-03-25 16:24:50,605 INFO L480 AbstractCegarLoop]: Abstraction has has 110 places, 108 transitions, 493 flow [2021-03-25 16:24:50,605 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 274.2) internal successors, (1371), 5 states have internal predecessors, (1371), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 16:24:50,605 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 16:24:50,605 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 16:24:50,606 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-03-25 16:24:50,606 INFO L428 AbstractCegarLoop]: === Iteration 3 === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 16:24:50,606 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 16:24:50,606 INFO L82 PathProgramCache]: Analyzing trace with hash 1288569353, now seen corresponding path program 1 times [2021-03-25 16:24:50,606 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 16:24:50,606 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1485288862] [2021-03-25 16:24:50,606 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 16:24:50,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 16:24:50,621 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:24:50,621 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 16:24:50,621 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:24:50,622 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 16:24:50,624 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:24:50,625 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 16:24:50,628 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:24:50,629 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 16:24:50,633 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:24:50,633 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 16:24:50,634 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 16:24:50,634 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1485288862] [2021-03-25 16:24:50,634 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [569776153] [2021-03-25 16:24:50,634 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-25 16:24:50,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 16:24:50,731 INFO L263 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 4 conjunts are in the unsatisfiable core [2021-03-25 16:24:50,731 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-25 16:24:50,732 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:24:50,732 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 16:24:50,732 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:24:50,733 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 16:24:50,733 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:24:50,733 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 16:24:50,733 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:24:50,734 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 16:24:50,734 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:24:50,734 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 16:24:50,734 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:24:50,735 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 16:24:50,735 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:24:50,735 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 16:24:50,735 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:24:50,736 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 16:24:50,741 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:24:50,741 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 16:24:50,742 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:24:50,742 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 16:24:50,742 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:24:50,742 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 16:24:50,743 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:24:50,743 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 16:24:50,744 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:24:50,744 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 16:24:50,744 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:24:50,744 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 16:24:50,745 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:24:50,745 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 16:24:50,745 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:24:50,745 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 16:24:50,746 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:24:50,746 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 16:24:50,746 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:24:50,747 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 16:24:50,747 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:24:50,747 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 16:24:50,747 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:24:50,748 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 16:24:50,748 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:24:50,748 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 16:24:50,748 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:24:50,749 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 16:24:50,749 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:24:50,749 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 16:24:50,750 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:24:50,750 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 16:24:50,750 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:24:50,751 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 16:24:50,751 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:24:50,752 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 16:24:50,752 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:24:50,753 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 16:24:50,754 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-25 16:24:50,754 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:24:50,755 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 16:24:50,755 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:24:50,755 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 16:24:50,760 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:24:50,761 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 16:24:50,761 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:24:50,762 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 16:24:50,762 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:24:50,763 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 16:24:50,763 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 16:24:50,763 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:24:50,764 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 16:24:50,764 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:24:50,765 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 16:24:50,765 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:24:50,765 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 16:24:50,766 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:24:50,766 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 16:24:50,766 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:24:50,766 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 16:24:50,767 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:24:50,767 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 16:24:50,767 INFO L142 QuantifierPusher]: treesize reduction 7, result has 12.5 percent of original size [2021-03-25 16:24:50,768 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 16:24:50,768 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:24:50,768 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 16:24:50,768 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:24:50,769 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 16:24:50,769 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:24:50,769 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 16:24:50,769 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:24:50,770 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 16:24:50,770 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:24:50,770 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 16:24:50,770 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:24:50,771 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 16:24:50,771 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:24:50,771 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 16:24:50,771 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:24:50,772 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 16:24:50,772 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:24:50,772 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 16:24:50,772 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:24:50,773 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 16:24:50,773 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:24:50,773 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 16:24:50,774 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:24:50,774 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 16:24:50,774 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:24:50,774 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 16:24:50,775 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:24:50,775 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 16:24:50,775 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:24:50,775 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 16:24:50,776 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:24:50,776 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 16:24:50,776 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:24:50,776 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 16:24:50,777 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:24:50,777 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 16:24:50,777 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:24:50,777 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 16:24:50,778 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:24:50,778 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 16:24:50,778 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:24:50,778 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 16:24:50,779 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:24:50,779 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 16:24:50,779 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:24:50,779 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 16:24:50,780 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:24:50,780 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 16:24:50,780 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:24:50,780 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 16:24:50,781 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:24:50,781 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 16:24:50,781 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:24:50,781 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 16:24:50,782 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:24:50,782 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 16:24:50,782 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:24:50,783 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 16:24:50,783 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:24:50,783 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 16:24:50,784 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:24:50,784 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 16:24:50,784 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:24:50,784 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 16:24:50,785 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:24:50,785 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 16:24:50,785 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:24:50,785 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 16:24:50,786 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:24:50,786 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 16:24:50,786 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:24:50,786 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 16:24:50,787 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:24:50,787 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 16:24:50,787 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:24:50,788 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 16:24:50,788 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:24:50,788 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 16:24:50,788 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:24:50,789 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 16:24:50,789 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:24:50,789 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 16:24:50,789 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:24:50,790 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 16:24:50,790 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:24:50,790 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 16:24:50,790 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:24:50,791 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 16:24:50,791 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:24:50,791 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 16:24:50,791 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:24:50,792 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 16:24:50,792 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:24:50,792 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 16:24:50,792 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:24:50,793 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 16:24:50,793 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:24:50,793 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 16:24:50,793 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:24:50,794 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 16:24:50,794 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:24:50,794 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 16:24:50,794 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 16:24:50,794 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-25 16:24:50,794 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2021-03-25 16:24:50,795 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [485133235] [2021-03-25 16:24:50,795 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-25 16:24:50,795 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 16:24:50,795 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-25 16:24:50,796 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-03-25 16:24:50,798 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 309 out of 383 [2021-03-25 16:24:50,799 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 110 places, 108 transitions, 493 flow. Second operand has 7 states, 7 states have (on average 310.7142857142857) internal successors, (2175), 7 states have internal predecessors, (2175), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 16:24:50,799 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 16:24:50,799 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 309 of 383 [2021-03-25 16:24:50,799 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 16:24:51,591 INFO L129 PetriNetUnfolder]: 2141/9339 cut-off events. [2021-03-25 16:24:51,591 INFO L130 PetriNetUnfolder]: For 10908/15118 co-relation queries the response was YES. [2021-03-25 16:24:51,642 INFO L84 FinitePrefix]: Finished finitePrefix Result has 18478 conditions, 9339 events. 2141/9339 cut-off events. For 10908/15118 co-relation queries the response was YES. Maximal size of possible extension queue 399. Compared 105044 event pairs, 843 based on Foata normal form. 40/7941 useless extension candidates. Maximal degree in co-relation 14093. Up to 1613 conditions per place. [2021-03-25 16:24:51,673 INFO L132 encePairwiseOnDemand]: 378/383 looper letters, 11 selfloop transitions, 5 changer transitions 0/117 dead transitions. [2021-03-25 16:24:51,673 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 115 places, 117 transitions, 543 flow [2021-03-25 16:24:51,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-25 16:24:51,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-03-25 16:24:51,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1872 transitions. [2021-03-25 16:24:51,677 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.814621409921671 [2021-03-25 16:24:51,677 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1872 transitions. [2021-03-25 16:24:51,677 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1872 transitions. [2021-03-25 16:24:51,678 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 16:24:51,678 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1872 transitions. [2021-03-25 16:24:51,680 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 312.0) internal successors, (1872), 6 states have internal predecessors, (1872), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 16:24:51,683 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 383.0) internal successors, (2681), 7 states have internal predecessors, (2681), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 16:24:51,683 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 383.0) internal successors, (2681), 7 states have internal predecessors, (2681), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 16:24:51,683 INFO L185 Difference]: Start difference. First operand has 110 places, 108 transitions, 493 flow. Second operand 6 states and 1872 transitions. [2021-03-25 16:24:51,684 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 115 places, 117 transitions, 543 flow [2021-03-25 16:24:51,702 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 115 places, 117 transitions, 543 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-03-25 16:24:51,703 INFO L241 Difference]: Finished difference. Result has 118 places, 112 transitions, 527 flow [2021-03-25 16:24:51,703 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=383, PETRI_DIFFERENCE_MINUEND_FLOW=493, PETRI_DIFFERENCE_MINUEND_PLACES=110, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=108, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=104, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=527, PETRI_PLACES=118, PETRI_TRANSITIONS=112} [2021-03-25 16:24:51,704 INFO L343 CegarLoopForPetriNet]: 121 programPoint places, -3 predicate places. [2021-03-25 16:24:51,704 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 16:24:51,704 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 118 places, 112 transitions, 527 flow [2021-03-25 16:24:51,704 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 118 places, 112 transitions, 527 flow [2021-03-25 16:24:51,705 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 118 places, 112 transitions, 527 flow [2021-03-25 16:24:52,374 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1789] L702-3-->L702-5: Formula: (= (+ |v_ULTIMATE.start_bar_#t~post10_186| 1) v_~glob~0_362) InVars {ULTIMATE.start_bar_#t~post10=|v_ULTIMATE.start_bar_#t~post10_186|} OutVars{~glob~0=v_~glob~0_362, ULTIMATE.start_bar_#t~post10=|v_ULTIMATE.start_bar_#t~post10_185|} AuxVars[] AssignedVars[~glob~0, ULTIMATE.start_bar_#t~post10][45], [t_funThread2of5ForFork0InUse, t_funThread3of5ForFork0InUse, t_funThread4of5ForFork0InUse, Black: 323#(and (= |ULTIMATE.start_main_#t~post15| 0) (<= ULTIMATE.start_main_~i~1 1)), Black: 237#(= ULTIMATE.start_main_~i~1 0), t_funThread5of5ForFork0NotInUse, Black: 239#(<= ULTIMATE.start_main_~i~1 1), 200#true, 79#L685-5true, Black: 208#(and (not (= 0 |t_funThread1of5ForFork0___VERIFIER_assert_#in~cond|)) (= ~glob~0 0) (not (= t_funThread1of5ForFork0___VERIFIER_assert_~cond 0))), Black: 210#(and (not (= 0 |t_funThread1of5ForFork0___VERIFIER_assert_#in~cond|)) (not (= t_funThread1of5ForFork0___VERIFIER_assert_~cond 0))), 85#L702-5true, Black: 202#(= ~glob~0 0), Black: 206#(and (not (= 0 |t_funThread1of5ForFork0___VERIFIER_assert_#in~cond|)) (= ~glob~0 0)), 217#true, Black: 225#(and (not (= t_funThread2of5ForFork0___VERIFIER_assert_~cond 0)) (= ~glob~0 0) (not (= |t_funThread2of5ForFork0___VERIFIER_assert_#in~cond| 0))), Black: 227#(and (not (= t_funThread2of5ForFork0___VERIFIER_assert_~cond 0)) (not (= |t_funThread2of5ForFork0___VERIFIER_assert_#in~cond| 0))), Black: 219#(= ~glob~0 0), Black: 220#(not (= |t_funThread2of5ForFork0___VERIFIER_assert_#in~cond| 0)), Black: 223#(and (= ~glob~0 0) (not (= |t_funThread2of5ForFork0___VERIFIER_assert_#in~cond| 0))), 235#true, 47#t_funErr0ASSERT_VIOLATIONERROR_FUNCTIONtrue, 112#t_funErr0ASSERT_VIOLATIONERROR_FUNCTIONtrue, 51#t_funErr0ASSERT_VIOLATIONERROR_FUNCTIONtrue, t_funThread1of5ForFork0InUse]) [2021-03-25 16:24:52,374 INFO L384 tUnfolder$Statistics]: this new event has 96 ancestors and is cut-off event [2021-03-25 16:24:52,374 INFO L387 tUnfolder$Statistics]: existing Event has 76 ancestors and is cut-off event [2021-03-25 16:24:52,374 INFO L387 tUnfolder$Statistics]: existing Event has 76 ancestors and is cut-off event [2021-03-25 16:24:52,375 INFO L387 tUnfolder$Statistics]: existing Event has 96 ancestors and is cut-off event [2021-03-25 16:24:52,415 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1789] L702-3-->L702-5: Formula: (= (+ |v_ULTIMATE.start_bar_#t~post10_186| 1) v_~glob~0_362) InVars {ULTIMATE.start_bar_#t~post10=|v_ULTIMATE.start_bar_#t~post10_186|} OutVars{~glob~0=v_~glob~0_362, ULTIMATE.start_bar_#t~post10=|v_ULTIMATE.start_bar_#t~post10_185|} AuxVars[] AssignedVars[~glob~0, ULTIMATE.start_bar_#t~post10][45], [t_funThread2of5ForFork0InUse, t_funThread3of5ForFork0InUse, Black: 323#(and (= |ULTIMATE.start_main_#t~post15| 0) (<= ULTIMATE.start_main_~i~1 1)), t_funThread4of5ForFork0InUse, Black: 237#(= ULTIMATE.start_main_~i~1 0), Black: 239#(<= ULTIMATE.start_main_~i~1 1), t_funThread5of5ForFork0InUse, 200#true, 79#L685-5true, Black: 208#(and (not (= 0 |t_funThread1of5ForFork0___VERIFIER_assert_#in~cond|)) (= ~glob~0 0) (not (= t_funThread1of5ForFork0___VERIFIER_assert_~cond 0))), 85#L702-5true, Black: 210#(and (not (= 0 |t_funThread1of5ForFork0___VERIFIER_assert_#in~cond|)) (not (= t_funThread1of5ForFork0___VERIFIER_assert_~cond 0))), Black: 202#(= ~glob~0 0), Black: 206#(and (not (= 0 |t_funThread1of5ForFork0___VERIFIER_assert_#in~cond|)) (= ~glob~0 0)), 217#true, Black: 225#(and (not (= t_funThread2of5ForFork0___VERIFIER_assert_~cond 0)) (= ~glob~0 0) (not (= |t_funThread2of5ForFork0___VERIFIER_assert_#in~cond| 0))), Black: 227#(and (not (= t_funThread2of5ForFork0___VERIFIER_assert_~cond 0)) (not (= |t_funThread2of5ForFork0___VERIFIER_assert_#in~cond| 0))), Black: 219#(= ~glob~0 0), Black: 220#(not (= |t_funThread2of5ForFork0___VERIFIER_assert_#in~cond| 0)), Black: 223#(and (= ~glob~0 0) (not (= |t_funThread2of5ForFork0___VERIFIER_assert_#in~cond| 0))), 235#true, 47#t_funErr0ASSERT_VIOLATIONERROR_FUNCTIONtrue, 112#t_funErr0ASSERT_VIOLATIONERROR_FUNCTIONtrue, 51#t_funErr0ASSERT_VIOLATIONERROR_FUNCTIONtrue, 189#t_funENTRYtrue, t_funThread1of5ForFork0InUse]) [2021-03-25 16:24:52,415 INFO L384 tUnfolder$Statistics]: this new event has 103 ancestors and is cut-off event [2021-03-25 16:24:52,415 INFO L387 tUnfolder$Statistics]: existing Event has 83 ancestors and is cut-off event [2021-03-25 16:24:52,415 INFO L387 tUnfolder$Statistics]: existing Event has 83 ancestors and is cut-off event [2021-03-25 16:24:52,415 INFO L387 tUnfolder$Statistics]: existing Event has 103 ancestors and is cut-off event [2021-03-25 16:24:52,428 INFO L129 PetriNetUnfolder]: 2206/10119 cut-off events. [2021-03-25 16:24:52,428 INFO L130 PetriNetUnfolder]: For 10457/13328 co-relation queries the response was YES. [2021-03-25 16:24:52,486 INFO L84 FinitePrefix]: Finished finitePrefix Result has 18862 conditions, 10119 events. 2206/10119 cut-off events. For 10457/13328 co-relation queries the response was YES. Maximal size of possible extension queue 416. Compared 117549 event pairs, 832 based on Foata normal form. 104/8791 useless extension candidates. Maximal degree in co-relation 14263. Up to 1470 conditions per place. [2021-03-25 16:24:52,603 INFO L142 LiptonReduction]: Number of co-enabled transitions 5352 [2021-03-25 16:25:18,228 INFO L154 LiptonReduction]: Checked pairs total: 11119 [2021-03-25 16:25:18,228 INFO L156 LiptonReduction]: Total number of compositions: 8 [2021-03-25 16:25:18,228 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 26524 [2021-03-25 16:25:18,229 INFO L480 AbstractCegarLoop]: Abstraction has has 116 places, 110 transitions, 521 flow [2021-03-25 16:25:18,229 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 310.7142857142857) internal successors, (2175), 7 states have internal predecessors, (2175), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 16:25:18,229 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 16:25:18,229 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 16:25:18,440 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-25 16:25:18,441 INFO L428 AbstractCegarLoop]: === Iteration 4 === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 16:25:18,441 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 16:25:18,441 INFO L82 PathProgramCache]: Analyzing trace with hash -234485243, now seen corresponding path program 1 times [2021-03-25 16:25:18,441 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 16:25:18,441 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1305254108] [2021-03-25 16:25:18,441 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 16:25:18,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 16:25:18,457 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:25:18,458 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 16:25:18,460 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:25:18,461 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 16:25:18,464 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:25:18,464 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 16:25:18,468 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:25:18,468 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 16:25:18,473 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:25:18,473 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 16:25:18,479 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:25:18,479 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 16:25:18,480 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 16:25:18,480 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1305254108] [2021-03-25 16:25:18,480 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [421564875] [2021-03-25 16:25:18,480 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-25 16:25:18,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 16:25:18,594 INFO L263 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 6 conjunts are in the unsatisfiable core [2021-03-25 16:25:18,597 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-25 16:25:18,598 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:25:18,598 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 16:25:18,598 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:25:18,598 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 16:25:18,599 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:25:18,599 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 16:25:18,599 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:25:18,599 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 16:25:18,605 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:25:18,605 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 16:25:18,606 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:25:18,606 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 16:25:18,606 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:25:18,607 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 16:25:18,607 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:25:18,607 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 16:25:18,607 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:25:18,608 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 16:25:18,608 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:25:18,608 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 16:25:18,609 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:25:18,609 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 16:25:18,609 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:25:18,609 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 16:25:18,610 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:25:18,610 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 16:25:18,610 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:25:18,610 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 16:25:18,611 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:25:18,611 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 16:25:18,611 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:25:18,612 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 16:25:18,612 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:25:18,612 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 16:25:18,612 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:25:18,613 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 16:25:18,613 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:25:18,613 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 16:25:18,613 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:25:18,614 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 16:25:18,614 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:25:18,614 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 16:25:18,615 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:25:18,616 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 16:25:18,616 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:25:18,617 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 16:25:18,617 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-25 16:25:18,618 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:25:18,618 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 16:25:18,619 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:25:18,619 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 16:25:18,625 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:25:18,626 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 16:25:18,626 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:25:18,627 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 16:25:18,627 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:25:18,629 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 16:25:18,630 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 16:25:18,630 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:25:18,631 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 16:25:18,631 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:25:18,631 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 16:25:18,632 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:25:18,632 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 16:25:18,632 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:25:18,632 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 16:25:18,633 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:25:18,633 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 16:25:18,633 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:25:18,634 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 16:25:18,634 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:25:18,634 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 16:25:18,634 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:25:18,635 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 16:25:18,635 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:25:18,635 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 16:25:18,635 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:25:18,636 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 16:25:18,636 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:25:18,636 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 16:25:18,637 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:25:18,637 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 16:25:18,639 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:25:18,639 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 16:25:18,639 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:25:18,639 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 16:25:18,640 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:25:18,640 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 16:25:18,640 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:25:18,641 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 16:25:18,641 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:25:18,641 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 16:25:18,641 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:25:18,642 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 16:25:18,642 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:25:18,642 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 16:25:18,643 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:25:18,643 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 16:25:18,643 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:25:18,643 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 16:25:18,644 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:25:18,644 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 16:25:18,644 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:25:18,646 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 16:25:18,646 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:25:18,647 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 16:25:18,648 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:25:18,648 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 16:25:18,648 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-25 16:25:18,649 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:25:18,650 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 16:25:18,650 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:25:18,650 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 16:25:18,651 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:25:18,652 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 16:25:18,652 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:25:18,653 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 16:25:18,653 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:25:18,653 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 16:25:18,654 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 16:25:18,657 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:25:18,658 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 16:25:18,658 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:25:18,658 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 16:25:18,658 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:25:18,659 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 16:25:18,659 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:25:18,659 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 16:25:18,660 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:25:18,660 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 16:25:18,660 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:25:18,660 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 16:25:18,661 INFO L142 QuantifierPusher]: treesize reduction 7, result has 12.5 percent of original size [2021-03-25 16:25:18,661 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 16:25:18,661 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:25:18,662 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 16:25:18,662 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:25:18,662 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 16:25:18,662 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:25:18,663 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 16:25:18,663 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:25:18,663 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 16:25:18,664 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:25:18,664 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 16:25:18,664 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:25:18,664 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 16:25:18,665 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:25:18,665 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 16:25:18,665 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:25:18,665 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 16:25:18,666 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:25:18,666 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 16:25:18,666 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:25:18,666 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 16:25:18,667 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:25:18,667 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 16:25:18,667 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:25:18,668 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 16:25:18,668 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:25:18,668 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 16:25:18,668 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:25:18,669 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 16:25:18,669 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:25:18,669 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 16:25:18,669 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:25:18,670 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 16:25:18,670 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:25:18,670 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 16:25:18,670 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:25:18,671 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 16:25:18,671 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:25:18,671 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 16:25:18,672 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:25:18,672 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 16:25:18,672 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:25:18,672 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 16:25:18,673 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:25:18,673 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 16:25:18,673 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:25:18,673 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 16:25:18,674 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:25:18,674 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 16:25:18,674 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:25:18,675 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 16:25:18,675 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:25:18,675 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 16:25:18,683 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:25:18,684 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 16:25:18,684 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:25:18,685 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 16:25:18,685 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:25:18,685 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 16:25:18,685 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:25:18,686 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 16:25:18,686 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:25:18,686 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 16:25:18,687 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:25:18,687 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 16:25:18,687 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:25:18,687 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 16:25:18,688 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:25:18,688 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 16:25:18,688 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:25:18,688 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 16:25:18,689 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:25:18,689 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 16:25:18,689 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:25:18,689 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 16:25:18,690 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:25:18,690 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 16:25:18,690 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:25:18,690 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 16:25:18,691 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 16:25:18,691 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-25 16:25:18,691 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 8 [2021-03-25 16:25:18,691 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2016479816] [2021-03-25 16:25:18,691 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-25 16:25:18,691 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 16:25:18,692 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-25 16:25:18,692 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2021-03-25 16:25:18,695 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 314 out of 391 [2021-03-25 16:25:18,696 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 116 places, 110 transitions, 521 flow. Second operand has 9 states, 9 states have (on average 315.8888888888889) internal successors, (2843), 9 states have internal predecessors, (2843), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 16:25:18,696 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 16:25:18,696 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 314 of 391 [2021-03-25 16:25:18,696 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 16:25:19,537 INFO L129 PetriNetUnfolder]: 2487/10550 cut-off events. [2021-03-25 16:25:19,537 INFO L130 PetriNetUnfolder]: For 12267/17375 co-relation queries the response was YES. [2021-03-25 16:25:19,600 INFO L84 FinitePrefix]: Finished finitePrefix Result has 20928 conditions, 10550 events. 2487/10550 cut-off events. For 12267/17375 co-relation queries the response was YES. Maximal size of possible extension queue 450. Compared 121068 event pairs, 993 based on Foata normal form. 72/9019 useless extension candidates. Maximal degree in co-relation 13980. Up to 1917 conditions per place. [2021-03-25 16:25:19,636 INFO L132 encePairwiseOnDemand]: 384/391 looper letters, 13 selfloop transitions, 5 changer transitions 1/120 dead transitions. [2021-03-25 16:25:19,636 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 122 places, 120 transitions, 587 flow [2021-03-25 16:25:19,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-25 16:25:19,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-25 16:25:19,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 2218 transitions. [2021-03-25 16:25:19,640 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8103763244428206 [2021-03-25 16:25:19,641 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 2218 transitions. [2021-03-25 16:25:19,641 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 2218 transitions. [2021-03-25 16:25:19,641 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 16:25:19,642 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 2218 transitions. [2021-03-25 16:25:19,645 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 316.85714285714283) internal successors, (2218), 7 states have internal predecessors, (2218), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 16:25:19,647 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 391.0) internal successors, (3128), 8 states have internal predecessors, (3128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 16:25:19,648 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 391.0) internal successors, (3128), 8 states have internal predecessors, (3128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 16:25:19,648 INFO L185 Difference]: Start difference. First operand has 116 places, 110 transitions, 521 flow. Second operand 7 states and 2218 transitions. [2021-03-25 16:25:19,648 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 122 places, 120 transitions, 587 flow [2021-03-25 16:25:19,674 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 121 places, 120 transitions, 581 flow, removed 3 selfloop flow, removed 1 redundant places. [2021-03-25 16:25:19,675 INFO L241 Difference]: Finished difference. Result has 124 places, 112 transitions, 547 flow [2021-03-25 16:25:19,675 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=391, PETRI_DIFFERENCE_MINUEND_FLOW=517, PETRI_DIFFERENCE_MINUEND_PLACES=115, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=110, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=105, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=547, PETRI_PLACES=124, PETRI_TRANSITIONS=112} [2021-03-25 16:25:19,675 INFO L343 CegarLoopForPetriNet]: 121 programPoint places, 3 predicate places. [2021-03-25 16:25:19,676 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 16:25:19,676 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 124 places, 112 transitions, 547 flow [2021-03-25 16:25:19,676 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 124 places, 112 transitions, 547 flow [2021-03-25 16:25:19,676 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 123 places, 112 transitions, 547 flow [2021-03-25 16:25:20,425 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1789] L702-3-->L702-5: Formula: (= (+ |v_ULTIMATE.start_bar_#t~post10_186| 1) v_~glob~0_362) InVars {ULTIMATE.start_bar_#t~post10=|v_ULTIMATE.start_bar_#t~post10_186|} OutVars{~glob~0=v_~glob~0_362, ULTIMATE.start_bar_#t~post10=|v_ULTIMATE.start_bar_#t~post10_185|} AuxVars[] AssignedVars[~glob~0, ULTIMATE.start_bar_#t~post10][42], [t_funThread2of5ForFork0InUse, t_funThread3of5ForFork0InUse, t_funThread4of5ForFork0InUse, t_funThread5of5ForFork0NotInUse, Black: 237#(= ULTIMATE.start_main_~i~1 0), Black: 239#(<= ULTIMATE.start_main_~i~1 1), 200#true, 328#true, 79#L685-5true, Black: 208#(and (not (= 0 |t_funThread1of5ForFork0___VERIFIER_assert_#in~cond|)) (= ~glob~0 0) (not (= t_funThread1of5ForFork0___VERIFIER_assert_~cond 0))), 85#L702-5true, Black: 210#(and (not (= 0 |t_funThread1of5ForFork0___VERIFIER_assert_#in~cond|)) (not (= t_funThread1of5ForFork0___VERIFIER_assert_~cond 0))), Black: 202#(= ~glob~0 0), Black: 206#(and (not (= 0 |t_funThread1of5ForFork0___VERIFIER_assert_#in~cond|)) (= ~glob~0 0)), 217#true, Black: 225#(and (not (= t_funThread2of5ForFork0___VERIFIER_assert_~cond 0)) (= ~glob~0 0) (not (= |t_funThread2of5ForFork0___VERIFIER_assert_#in~cond| 0))), Black: 227#(and (not (= t_funThread2of5ForFork0___VERIFIER_assert_~cond 0)) (not (= |t_funThread2of5ForFork0___VERIFIER_assert_#in~cond| 0))), Black: 219#(= ~glob~0 0), Black: 220#(not (= |t_funThread2of5ForFork0___VERIFIER_assert_#in~cond| 0)), Black: 223#(and (= ~glob~0 0) (not (= |t_funThread2of5ForFork0___VERIFIER_assert_#in~cond| 0))), Black: 422#(and (<= |ULTIMATE.start_main_#t~post15| 1) (<= ULTIMATE.start_main_~i~1 2)), Black: 332#(<= ULTIMATE.start_main_~i~1 1), 235#true, Black: 334#(<= ULTIMATE.start_main_~i~1 2), 47#t_funErr0ASSERT_VIOLATIONERROR_FUNCTIONtrue, 112#t_funErr0ASSERT_VIOLATIONERROR_FUNCTIONtrue, 51#t_funErr0ASSERT_VIOLATIONERROR_FUNCTIONtrue, t_funThread1of5ForFork0InUse]) [2021-03-25 16:25:20,425 INFO L384 tUnfolder$Statistics]: this new event has 93 ancestors and is cut-off event [2021-03-25 16:25:20,425 INFO L387 tUnfolder$Statistics]: existing Event has 73 ancestors and is cut-off event [2021-03-25 16:25:20,425 INFO L387 tUnfolder$Statistics]: existing Event has 93 ancestors and is cut-off event [2021-03-25 16:25:20,425 INFO L387 tUnfolder$Statistics]: existing Event has 73 ancestors and is cut-off event [2021-03-25 16:25:20,463 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1789] L702-3-->L702-5: Formula: (= (+ |v_ULTIMATE.start_bar_#t~post10_186| 1) v_~glob~0_362) InVars {ULTIMATE.start_bar_#t~post10=|v_ULTIMATE.start_bar_#t~post10_186|} OutVars{~glob~0=v_~glob~0_362, ULTIMATE.start_bar_#t~post10=|v_ULTIMATE.start_bar_#t~post10_185|} AuxVars[] AssignedVars[~glob~0, ULTIMATE.start_bar_#t~post10][42], [t_funThread2of5ForFork0InUse, t_funThread3of5ForFork0InUse, t_funThread4of5ForFork0InUse, Black: 237#(= ULTIMATE.start_main_~i~1 0), Black: 239#(<= ULTIMATE.start_main_~i~1 1), t_funThread5of5ForFork0InUse, 200#true, 328#true, 79#L685-5true, Black: 208#(and (not (= 0 |t_funThread1of5ForFork0___VERIFIER_assert_#in~cond|)) (= ~glob~0 0) (not (= t_funThread1of5ForFork0___VERIFIER_assert_~cond 0))), Black: 210#(and (not (= 0 |t_funThread1of5ForFork0___VERIFIER_assert_#in~cond|)) (not (= t_funThread1of5ForFork0___VERIFIER_assert_~cond 0))), 85#L702-5true, Black: 202#(= ~glob~0 0), Black: 206#(and (not (= 0 |t_funThread1of5ForFork0___VERIFIER_assert_#in~cond|)) (= ~glob~0 0)), 217#true, Black: 225#(and (not (= t_funThread2of5ForFork0___VERIFIER_assert_~cond 0)) (= ~glob~0 0) (not (= |t_funThread2of5ForFork0___VERIFIER_assert_#in~cond| 0))), Black: 227#(and (not (= t_funThread2of5ForFork0___VERIFIER_assert_~cond 0)) (not (= |t_funThread2of5ForFork0___VERIFIER_assert_#in~cond| 0))), Black: 219#(= ~glob~0 0), Black: 220#(not (= |t_funThread2of5ForFork0___VERIFIER_assert_#in~cond| 0)), Black: 422#(and (<= |ULTIMATE.start_main_#t~post15| 1) (<= ULTIMATE.start_main_~i~1 2)), Black: 223#(and (= ~glob~0 0) (not (= |t_funThread2of5ForFork0___VERIFIER_assert_#in~cond| 0))), Black: 332#(<= ULTIMATE.start_main_~i~1 1), 235#true, Black: 334#(<= ULTIMATE.start_main_~i~1 2), 47#t_funErr0ASSERT_VIOLATIONERROR_FUNCTIONtrue, 112#t_funErr0ASSERT_VIOLATIONERROR_FUNCTIONtrue, 51#t_funErr0ASSERT_VIOLATIONERROR_FUNCTIONtrue, 189#t_funENTRYtrue, t_funThread1of5ForFork0InUse]) [2021-03-25 16:25:20,463 INFO L384 tUnfolder$Statistics]: this new event has 100 ancestors and is cut-off event [2021-03-25 16:25:20,463 INFO L387 tUnfolder$Statistics]: existing Event has 80 ancestors and is cut-off event [2021-03-25 16:25:20,463 INFO L387 tUnfolder$Statistics]: existing Event has 100 ancestors and is cut-off event [2021-03-25 16:25:20,463 INFO L387 tUnfolder$Statistics]: existing Event has 80 ancestors and is cut-off event [2021-03-25 16:25:20,486 INFO L129 PetriNetUnfolder]: 2569/11702 cut-off events. [2021-03-25 16:25:20,486 INFO L130 PetriNetUnfolder]: For 12328/15923 co-relation queries the response was YES. [2021-03-25 16:25:20,551 INFO L84 FinitePrefix]: Finished finitePrefix Result has 22082 conditions, 11702 events. 2569/11702 cut-off events. For 12328/15923 co-relation queries the response was YES. Maximal size of possible extension queue 506. Compared 139814 event pairs, 978 based on Foata normal form. 64/10102 useless extension candidates. Maximal degree in co-relation 22010. Up to 1861 conditions per place. [2021-03-25 16:25:20,685 INFO L142 LiptonReduction]: Number of co-enabled transitions 5382 [2021-03-25 16:25:40,385 INFO L154 LiptonReduction]: Checked pairs total: 7093 [2021-03-25 16:25:40,386 INFO L156 LiptonReduction]: Total number of compositions: 4 [2021-03-25 16:25:40,386 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 20710 [2021-03-25 16:25:40,386 INFO L480 AbstractCegarLoop]: Abstraction has has 122 places, 111 transitions, 547 flow [2021-03-25 16:25:40,387 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 315.8888888888889) internal successors, (2843), 9 states have internal predecessors, (2843), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 16:25:40,387 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 16:25:40,387 INFO L263 CegarLoopForPetriNet]: trace histogram [5, 5, 4, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 16:25:40,587 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2021-03-25 16:25:40,587 INFO L428 AbstractCegarLoop]: === Iteration 5 === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 16:25:40,588 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 16:25:40,588 INFO L82 PathProgramCache]: Analyzing trace with hash -143332521, now seen corresponding path program 1 times [2021-03-25 16:25:40,588 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 16:25:40,588 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2045865843] [2021-03-25 16:25:40,588 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 16:25:40,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 16:25:40,611 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:25:40,611 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 16:25:40,614 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2021-03-25 16:25:40,614 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2045865843] [2021-03-25 16:25:40,614 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 16:25:40,614 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-03-25 16:25:40,614 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2003134168] [2021-03-25 16:25:40,614 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-25 16:25:40,614 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 16:25:40,615 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-25 16:25:40,615 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-25 16:25:40,616 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 290 out of 395 [2021-03-25 16:25:40,616 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 122 places, 111 transitions, 547 flow. Second operand has 3 states, 3 states have (on average 290.6666666666667) internal successors, (872), 3 states have internal predecessors, (872), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 16:25:40,616 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 16:25:40,616 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 290 of 395 [2021-03-25 16:25:40,616 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 16:25:45,542 INFO L129 PetriNetUnfolder]: 13312/45892 cut-off events. [2021-03-25 16:25:45,542 INFO L130 PetriNetUnfolder]: For 41030/48968 co-relation queries the response was YES. [2021-03-25 16:25:45,993 INFO L84 FinitePrefix]: Finished finitePrefix Result has 93065 conditions, 45892 events. 13312/45892 cut-off events. For 41030/48968 co-relation queries the response was YES. Maximal size of possible extension queue 1713. Compared 638981 event pairs, 6708 based on Foata normal form. 504/40998 useless extension candidates. Maximal degree in co-relation 92991. Up to 11556 conditions per place. [2021-03-25 16:25:46,146 INFO L132 encePairwiseOnDemand]: 381/395 looper letters, 20 selfloop transitions, 19 changer transitions 0/116 dead transitions. [2021-03-25 16:25:46,146 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 124 places, 116 transitions, 637 flow [2021-03-25 16:25:46,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-25 16:25:46,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-03-25 16:25:46,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 904 transitions. [2021-03-25 16:25:46,148 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7628691983122363 [2021-03-25 16:25:46,148 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 904 transitions. [2021-03-25 16:25:46,148 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 904 transitions. [2021-03-25 16:25:46,148 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 16:25:46,148 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 904 transitions. [2021-03-25 16:25:46,149 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 301.3333333333333) internal successors, (904), 3 states have internal predecessors, (904), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 16:25:46,150 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 395.0) internal successors, (1580), 4 states have internal predecessors, (1580), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 16:25:46,151 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 395.0) internal successors, (1580), 4 states have internal predecessors, (1580), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 16:25:46,151 INFO L185 Difference]: Start difference. First operand has 122 places, 111 transitions, 547 flow. Second operand 3 states and 904 transitions. [2021-03-25 16:25:46,151 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 124 places, 116 transitions, 637 flow [2021-03-25 16:25:46,257 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 119 places, 116 transitions, 619 flow, removed 5 selfloop flow, removed 5 redundant places. [2021-03-25 16:25:46,259 INFO L241 Difference]: Finished difference. Result has 120 places, 111 transitions, 588 flow [2021-03-25 16:25:46,259 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=395, PETRI_DIFFERENCE_MINUEND_FLOW=529, PETRI_DIFFERENCE_MINUEND_PLACES=117, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=111, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=19, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=92, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=588, PETRI_PLACES=120, PETRI_TRANSITIONS=111} [2021-03-25 16:25:46,259 INFO L343 CegarLoopForPetriNet]: 121 programPoint places, -1 predicate places. [2021-03-25 16:25:46,259 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 16:25:46,259 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 120 places, 111 transitions, 588 flow [2021-03-25 16:25:46,259 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 120 places, 111 transitions, 588 flow [2021-03-25 16:25:46,260 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 120 places, 111 transitions, 588 flow [2021-03-25 16:25:47,385 INFO L129 PetriNetUnfolder]: 2996/13359 cut-off events. [2021-03-25 16:25:47,385 INFO L130 PetriNetUnfolder]: For 16735/21407 co-relation queries the response was YES. [2021-03-25 16:25:47,439 INFO L84 FinitePrefix]: Finished finitePrefix Result has 26542 conditions, 13359 events. 2996/13359 cut-off events. For 16735/21407 co-relation queries the response was YES. Maximal size of possible extension queue 547. Compared 161684 event pairs, 1224 based on Foata normal form. 111/11433 useless extension candidates. Maximal degree in co-relation 17803. Up to 2071 conditions per place. [2021-03-25 16:25:47,558 INFO L142 LiptonReduction]: Number of co-enabled transitions 5294 [2021-03-25 16:26:35,956 INFO L154 LiptonReduction]: Checked pairs total: 6680 [2021-03-25 16:26:35,957 INFO L156 LiptonReduction]: Total number of compositions: 2 [2021-03-25 16:26:35,957 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 49698 [2021-03-25 16:26:35,957 INFO L480 AbstractCegarLoop]: Abstraction has has 120 places, 111 transitions, 588 flow [2021-03-25 16:26:35,957 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 290.6666666666667) internal successors, (872), 3 states have internal predecessors, (872), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 16:26:35,957 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 16:26:35,957 INFO L263 CegarLoopForPetriNet]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 16:26:35,958 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-03-25 16:26:35,958 INFO L428 AbstractCegarLoop]: === Iteration 6 === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 16:26:35,958 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 16:26:35,958 INFO L82 PathProgramCache]: Analyzing trace with hash -1302014551, now seen corresponding path program 1 times [2021-03-25 16:26:35,958 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 16:26:35,958 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1283443266] [2021-03-25 16:26:35,958 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 16:26:35,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 16:26:35,975 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:26:35,975 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 16:26:35,977 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:26:35,978 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 16:26:35,981 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:26:35,981 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 16:26:35,985 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:26:35,985 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 16:26:35,991 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:26:35,991 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 16:26:35,991 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 16:26:35,992 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1283443266] [2021-03-25 16:26:35,992 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2117040021] [2021-03-25 16:26:35,992 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-25 16:26:36,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 16:26:36,088 INFO L263 TraceCheckSpWp]: Trace formula consists of 163 conjuncts, 6 conjunts are in the unsatisfiable core [2021-03-25 16:26:36,089 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-25 16:26:36,091 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:26:36,091 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 16:26:36,092 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:26:36,092 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 16:26:36,092 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:26:36,092 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 16:26:36,093 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:26:36,093 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 16:26:36,098 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:26:36,098 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 16:26:36,099 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:26:36,099 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 16:26:36,099 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:26:36,099 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 16:26:36,100 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:26:36,100 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 16:26:36,100 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:26:36,101 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 16:26:36,101 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:26:36,101 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 16:26:36,101 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:26:36,102 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 16:26:36,102 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:26:36,102 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 16:26:36,102 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:26:36,103 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 16:26:36,103 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:26:36,103 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 16:26:36,104 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:26:36,104 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 16:26:36,104 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:26:36,104 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 16:26:36,105 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:26:36,105 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 16:26:36,106 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:26:36,107 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 16:26:36,107 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 16:26:36,108 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:26:36,109 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 16:26:36,109 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:26:36,109 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 16:26:36,110 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 16:26:36,111 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:26:36,111 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 16:26:36,112 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:26:36,112 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 16:26:36,112 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:26:36,112 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 16:26:36,113 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:26:36,113 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 16:26:36,113 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:26:36,113 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 16:26:36,114 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:26:36,114 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 16:26:36,114 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:26:36,115 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 16:26:36,115 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:26:36,115 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 16:26:36,115 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:26:36,116 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 16:26:36,116 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:26:36,116 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 16:26:36,116 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:26:36,117 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 16:26:36,117 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:26:36,117 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 16:26:36,117 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:26:36,118 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 16:26:36,118 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:26:36,118 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 16:26:36,119 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:26:36,119 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 16:26:36,119 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:26:36,119 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 16:26:36,120 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:26:36,120 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 16:26:36,120 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:26:36,120 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 16:26:36,121 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:26:36,121 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 16:26:36,122 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:26:36,122 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 16:26:36,123 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 16:26:36,123 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:26:36,124 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 16:26:36,124 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:26:36,124 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 16:26:36,125 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 16:26:36,125 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:26:36,126 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 16:26:36,126 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:26:36,126 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 16:26:36,127 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:26:36,127 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 16:26:36,127 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:26:36,127 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 16:26:36,128 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:26:36,128 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 16:26:36,128 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:26:36,130 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 16:26:36,130 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:26:36,130 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 16:26:36,131 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:26:36,131 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 16:26:36,131 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:26:36,131 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 16:26:36,132 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:26:36,132 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 16:26:36,132 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:26:36,133 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 16:26:36,133 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:26:36,133 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 16:26:36,133 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:26:36,134 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 16:26:36,134 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:26:36,134 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 16:26:36,134 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:26:36,135 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 16:26:36,135 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:26:36,135 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 16:26:36,135 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:26:36,136 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 16:26:36,136 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:26:36,136 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 16:26:36,136 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:26:36,137 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 16:26:36,137 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:26:36,137 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 16:26:36,137 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:26:36,138 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 16:26:36,138 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:26:36,138 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 16:26:36,138 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:26:36,139 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 16:26:36,139 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:26:36,139 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 16:26:36,140 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:26:36,140 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 16:26:36,140 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:26:36,140 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 16:26:36,141 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:26:36,142 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 16:26:36,142 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:26:36,143 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 16:26:36,143 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 16:26:36,146 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:26:36,150 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 16:26:36,152 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:26:36,152 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 16:26:36,153 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:26:36,153 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 16:26:36,154 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 16:26:36,154 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-25 16:26:36,155 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:26:36,156 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 16:26:36,156 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:26:36,156 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 16:26:36,157 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:26:36,157 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 16:26:36,157 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:26:36,157 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 16:26:36,158 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:26:36,158 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 16:26:36,158 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:26:36,159 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 16:26:36,159 INFO L142 QuantifierPusher]: treesize reduction 7, result has 12.5 percent of original size [2021-03-25 16:26:36,159 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 16:26:36,160 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:26:36,160 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 16:26:36,160 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:26:36,160 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 16:26:36,161 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:26:36,161 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 16:26:36,161 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:26:36,161 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 16:26:36,162 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:26:36,162 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 16:26:36,162 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:26:36,162 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 16:26:36,163 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:26:36,163 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 16:26:36,163 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:26:36,163 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 16:26:36,164 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:26:36,164 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 16:26:36,164 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:26:36,164 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 16:26:36,165 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:26:36,165 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 16:26:36,165 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:26:36,166 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 16:26:36,166 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:26:36,166 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 16:26:36,166 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:26:36,167 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 16:26:36,167 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:26:36,167 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 16:26:36,167 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:26:36,168 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 16:26:36,168 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:26:36,168 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 16:26:36,168 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:26:36,169 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 16:26:36,169 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:26:36,170 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 16:26:36,170 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:26:36,170 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 16:26:36,170 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:26:36,171 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 16:26:36,171 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:26:36,171 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 16:26:36,172 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:26:36,172 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 16:26:36,172 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:26:36,172 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 16:26:36,173 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:26:36,173 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 16:26:36,173 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:26:36,173 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 16:26:36,174 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:26:36,174 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 16:26:36,174 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:26:36,174 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 16:26:36,175 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:26:36,175 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 16:26:36,175 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:26:36,175 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 16:26:36,176 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 16:26:36,176 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-25 16:26:36,176 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 6 [2021-03-25 16:26:36,176 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1757495557] [2021-03-25 16:26:36,177 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-25 16:26:36,177 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 16:26:36,177 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-25 16:26:36,177 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2021-03-25 16:26:36,179 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 317 out of 397 [2021-03-25 16:26:36,180 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 120 places, 111 transitions, 588 flow. Second operand has 7 states, 7 states have (on average 319.14285714285717) internal successors, (2234), 7 states have internal predecessors, (2234), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 16:26:36,180 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 16:26:36,180 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 317 of 397 [2021-03-25 16:26:36,181 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 16:26:37,434 INFO L129 PetriNetUnfolder]: 2715/11951 cut-off events. [2021-03-25 16:26:37,435 INFO L130 PetriNetUnfolder]: For 14603/18845 co-relation queries the response was YES. [2021-03-25 16:26:37,478 INFO L84 FinitePrefix]: Finished finitePrefix Result has 23530 conditions, 11951 events. 2715/11951 cut-off events. For 14603/18845 co-relation queries the response was YES. Maximal size of possible extension queue 532. Compared 143490 event pairs, 1216 based on Foata normal form. 114/10172 useless extension candidates. Maximal degree in co-relation 15469. Up to 1816 conditions per place. [2021-03-25 16:26:37,511 INFO L132 encePairwiseOnDemand]: 391/397 looper letters, 14 selfloop transitions, 5 changer transitions 1/122 dead transitions. [2021-03-25 16:26:37,511 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 125 places, 122 transitions, 660 flow [2021-03-25 16:26:37,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-25 16:26:37,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-03-25 16:26:37,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1923 transitions. [2021-03-25 16:26:37,514 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8073047858942065 [2021-03-25 16:26:37,514 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1923 transitions. [2021-03-25 16:26:37,514 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1923 transitions. [2021-03-25 16:26:37,515 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 16:26:37,515 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1923 transitions. [2021-03-25 16:26:37,517 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 320.5) internal successors, (1923), 6 states have internal predecessors, (1923), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 16:26:37,519 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 397.0) internal successors, (2779), 7 states have internal predecessors, (2779), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 16:26:37,520 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 397.0) internal successors, (2779), 7 states have internal predecessors, (2779), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 16:26:37,520 INFO L185 Difference]: Start difference. First operand has 120 places, 111 transitions, 588 flow. Second operand 6 states and 1923 transitions. [2021-03-25 16:26:37,520 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 125 places, 122 transitions, 660 flow [2021-03-25 16:26:37,546 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 123 places, 122 transitions, 622 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-03-25 16:26:37,547 INFO L241 Difference]: Finished difference. Result has 124 places, 112 transitions, 570 flow [2021-03-25 16:26:37,547 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=397, PETRI_DIFFERENCE_MINUEND_FLOW=550, PETRI_DIFFERENCE_MINUEND_PLACES=118, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=111, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=106, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=570, PETRI_PLACES=124, PETRI_TRANSITIONS=112} [2021-03-25 16:26:37,548 INFO L343 CegarLoopForPetriNet]: 121 programPoint places, 3 predicate places. [2021-03-25 16:26:37,548 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 16:26:37,548 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 124 places, 112 transitions, 570 flow [2021-03-25 16:26:37,548 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 124 places, 112 transitions, 570 flow [2021-03-25 16:26:37,549 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 124 places, 112 transitions, 570 flow [2021-03-25 16:26:38,501 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1789] L702-3-->L702-5: Formula: (= (+ |v_ULTIMATE.start_bar_#t~post10_186| 1) v_~glob~0_362) InVars {ULTIMATE.start_bar_#t~post10=|v_ULTIMATE.start_bar_#t~post10_186|} OutVars{~glob~0=v_~glob~0_362, ULTIMATE.start_bar_#t~post10=|v_ULTIMATE.start_bar_#t~post10_185|} AuxVars[] AssignedVars[~glob~0, ULTIMATE.start_bar_#t~post10][45], [t_funThread2of5ForFork0InUse, t_funThread3of5ForFork0InUse, t_funThread4of5ForFork0InUse, Black: 237#(= ULTIMATE.start_main_~i~1 0), t_funThread5of5ForFork0NotInUse, Black: 239#(<= ULTIMATE.start_main_~i~1 1), 200#true, Black: 439#(<= ULTIMATE.start_main_~i~1 3), 79#L685-5true, Black: 208#(and (not (= 0 |t_funThread1of5ForFork0___VERIFIER_assert_#in~cond|)) (= ~glob~0 0) (not (= t_funThread1of5ForFork0___VERIFIER_assert_~cond 0))), Black: 210#(and (not (= 0 |t_funThread1of5ForFork0___VERIFIER_assert_#in~cond|)) (not (= t_funThread1of5ForFork0___VERIFIER_assert_~cond 0))), 85#L702-5true, Black: 202#(= ~glob~0 0), Black: 206#(and (not (= 0 |t_funThread1of5ForFork0___VERIFIER_assert_#in~cond|)) (= ~glob~0 0)), 217#true, Black: 225#(and (not (= t_funThread2of5ForFork0___VERIFIER_assert_~cond 0)) (= ~glob~0 0) (not (= |t_funThread2of5ForFork0___VERIFIER_assert_#in~cond| 0))), Black: 227#(and (not (= t_funThread2of5ForFork0___VERIFIER_assert_~cond 0)) (not (= |t_funThread2of5ForFork0___VERIFIER_assert_#in~cond| 0))), Black: 219#(= ~glob~0 0), Black: 220#(not (= |t_funThread2of5ForFork0___VERIFIER_assert_#in~cond| 0)), Black: 223#(and (= ~glob~0 0) (not (= |t_funThread2of5ForFork0___VERIFIER_assert_#in~cond| 0))), Black: 332#(<= ULTIMATE.start_main_~i~1 1), Black: 334#(<= ULTIMATE.start_main_~i~1 2), 47#t_funErr0ASSERT_VIOLATIONERROR_FUNCTIONtrue, 112#t_funErr0ASSERT_VIOLATIONERROR_FUNCTIONtrue, Black: 431#(= ~glob~0 0), 434#true, 51#t_funErr0ASSERT_VIOLATIONERROR_FUNCTIONtrue, t_funThread1of5ForFork0InUse]) [2021-03-25 16:26:38,501 INFO L384 tUnfolder$Statistics]: this new event has 89 ancestors and is cut-off event [2021-03-25 16:26:38,501 INFO L387 tUnfolder$Statistics]: existing Event has 69 ancestors and is cut-off event [2021-03-25 16:26:38,501 INFO L387 tUnfolder$Statistics]: existing Event has 89 ancestors and is cut-off event [2021-03-25 16:26:38,501 INFO L387 tUnfolder$Statistics]: existing Event has 69 ancestors and is cut-off event [2021-03-25 16:26:38,564 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1789] L702-3-->L702-5: Formula: (= (+ |v_ULTIMATE.start_bar_#t~post10_186| 1) v_~glob~0_362) InVars {ULTIMATE.start_bar_#t~post10=|v_ULTIMATE.start_bar_#t~post10_186|} OutVars{~glob~0=v_~glob~0_362, ULTIMATE.start_bar_#t~post10=|v_ULTIMATE.start_bar_#t~post10_185|} AuxVars[] AssignedVars[~glob~0, ULTIMATE.start_bar_#t~post10][45], [t_funThread2of5ForFork0InUse, t_funThread3of5ForFork0InUse, t_funThread4of5ForFork0InUse, Black: 237#(= ULTIMATE.start_main_~i~1 0), Black: 239#(<= ULTIMATE.start_main_~i~1 1), t_funThread5of5ForFork0InUse, 200#true, Black: 439#(<= ULTIMATE.start_main_~i~1 3), 79#L685-5true, Black: 208#(and (not (= 0 |t_funThread1of5ForFork0___VERIFIER_assert_#in~cond|)) (= ~glob~0 0) (not (= t_funThread1of5ForFork0___VERIFIER_assert_~cond 0))), Black: 210#(and (not (= 0 |t_funThread1of5ForFork0___VERIFIER_assert_#in~cond|)) (not (= t_funThread1of5ForFork0___VERIFIER_assert_~cond 0))), 85#L702-5true, Black: 202#(= ~glob~0 0), Black: 206#(and (not (= 0 |t_funThread1of5ForFork0___VERIFIER_assert_#in~cond|)) (= ~glob~0 0)), 217#true, Black: 225#(and (not (= t_funThread2of5ForFork0___VERIFIER_assert_~cond 0)) (= ~glob~0 0) (not (= |t_funThread2of5ForFork0___VERIFIER_assert_#in~cond| 0))), Black: 227#(and (not (= t_funThread2of5ForFork0___VERIFIER_assert_~cond 0)) (not (= |t_funThread2of5ForFork0___VERIFIER_assert_#in~cond| 0))), Black: 219#(= ~glob~0 0), Black: 220#(not (= |t_funThread2of5ForFork0___VERIFIER_assert_#in~cond| 0)), Black: 223#(and (= ~glob~0 0) (not (= |t_funThread2of5ForFork0___VERIFIER_assert_#in~cond| 0))), Black: 332#(<= ULTIMATE.start_main_~i~1 1), Black: 334#(<= ULTIMATE.start_main_~i~1 2), 47#t_funErr0ASSERT_VIOLATIONERROR_FUNCTIONtrue, 112#t_funErr0ASSERT_VIOLATIONERROR_FUNCTIONtrue, Black: 431#(= ~glob~0 0), 434#true, 51#t_funErr0ASSERT_VIOLATIONERROR_FUNCTIONtrue, 189#t_funENTRYtrue, t_funThread1of5ForFork0InUse]) [2021-03-25 16:26:38,564 INFO L384 tUnfolder$Statistics]: this new event has 96 ancestors and is cut-off event [2021-03-25 16:26:38,564 INFO L387 tUnfolder$Statistics]: existing Event has 76 ancestors and is cut-off event [2021-03-25 16:26:38,564 INFO L387 tUnfolder$Statistics]: existing Event has 96 ancestors and is cut-off event [2021-03-25 16:26:38,564 INFO L387 tUnfolder$Statistics]: existing Event has 76 ancestors and is cut-off event [2021-03-25 16:26:38,617 INFO L129 PetriNetUnfolder]: 2774/13290 cut-off events. [2021-03-25 16:26:38,617 INFO L130 PetriNetUnfolder]: For 12972/16561 co-relation queries the response was YES. [2021-03-25 16:26:38,680 INFO L84 FinitePrefix]: Finished finitePrefix Result has 24340 conditions, 13290 events. 2774/13290 cut-off events. For 12972/16561 co-relation queries the response was YES. Maximal size of possible extension queue 607. Compared 165731 event pairs, 1228 based on Foata normal form. 91/11399 useless extension candidates. Maximal degree in co-relation 24254. Up to 1816 conditions per place. [2021-03-25 16:26:38,821 INFO L142 LiptonReduction]: Number of co-enabled transitions 5336 [2021-03-25 16:27:18,521 INFO L154 LiptonReduction]: Checked pairs total: 7050 [2021-03-25 16:27:18,521 INFO L156 LiptonReduction]: Total number of compositions: 3 [2021-03-25 16:27:18,521 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 40973 [2021-03-25 16:27:18,522 INFO L480 AbstractCegarLoop]: Abstraction has has 124 places, 112 transitions, 574 flow [2021-03-25 16:27:18,522 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 319.14285714285717) internal successors, (2234), 7 states have internal predecessors, (2234), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 16:27:18,522 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 16:27:18,522 INFO L263 CegarLoopForPetriNet]: trace histogram [6, 6, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 16:27:18,722 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-25 16:27:18,723 INFO L428 AbstractCegarLoop]: === Iteration 7 === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 16:27:18,723 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 16:27:18,723 INFO L82 PathProgramCache]: Analyzing trace with hash 1043323316, now seen corresponding path program 1 times [2021-03-25 16:27:18,723 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 16:27:18,723 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [55830480] [2021-03-25 16:27:18,723 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 16:27:18,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-03-25 16:27:18,732 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-03-25 16:27:18,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-03-25 16:27:18,745 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-03-25 16:27:18,752 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-03-25 16:27:18,752 INFO L634 BasicCegarLoop]: Counterexample might be feasible [2021-03-25 16:27:18,753 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2021-03-25 16:27:18,753 WARN L342 ceAbstractionStarter]: 5 thread instances were not sufficient, I will increase this number and restart the analysis [2021-03-25 16:27:18,753 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 6 thread instances. [2021-03-25 16:27:18,881 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of6ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:27:18,881 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of6ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:27:18,881 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:27:18,881 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:27:18,881 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of6ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:27:18,881 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of6ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:27:18,881 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:27:18,881 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:27:18,881 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of6ForFork0_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:27:18,881 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of6ForFork0_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:27:18,881 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of6ForFork0_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:27:18,882 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of6ForFork0_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:27:18,882 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of6ForFork0_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:27:18,882 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of6ForFork0_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:27:18,882 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of6ForFork0_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:27:18,882 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of6ForFork0_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:27:18,882 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of6ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:27:18,882 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of6ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:27:18,882 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:27:18,882 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:27:18,882 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:27:18,882 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:27:18,882 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of6ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:27:18,882 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of6ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:27:18,882 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of6ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:27:18,882 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of6ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:27:18,882 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of6ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:27:18,883 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of6ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:27:18,883 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of6ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:27:18,883 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of6ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:27:18,883 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of6ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:27:18,883 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of6ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:27:18,883 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of6ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:27:18,883 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of6ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:27:18,883 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:27:18,883 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:27:18,883 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of6ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:27:18,883 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of6ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:27:18,883 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:27:18,883 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:27:18,883 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of6ForFork0_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:27:18,883 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of6ForFork0_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:27:18,884 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of6ForFork0_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:27:18,884 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of6ForFork0_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:27:18,884 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of6ForFork0_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:27:18,884 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of6ForFork0_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:27:18,884 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of6ForFork0_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:27:18,884 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of6ForFork0_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:27:18,884 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of6ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:27:18,884 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of6ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:27:18,884 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:27:18,884 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:27:18,884 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:27:18,884 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:27:18,884 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of6ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:27:18,884 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of6ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:27:18,884 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of6ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:27:18,884 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of6ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:27:18,885 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of6ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:27:18,885 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of6ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:27:18,885 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of6ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:27:18,885 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of6ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:27:18,885 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of6ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:27:18,885 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of6ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:27:18,885 WARN L313 ript$VariableManager]: TermVariabe |t_funThread6of6ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:27:18,885 WARN L313 ript$VariableManager]: TermVariabe |t_funThread6of6ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:27:18,885 WARN L313 ript$VariableManager]: TermVariabe t_funThread6of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:27:18,885 WARN L313 ript$VariableManager]: TermVariabe t_funThread6of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:27:18,885 WARN L313 ript$VariableManager]: TermVariabe |t_funThread6of6ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:27:18,885 WARN L313 ript$VariableManager]: TermVariabe |t_funThread6of6ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:27:18,885 WARN L313 ript$VariableManager]: TermVariabe t_funThread6of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:27:18,885 WARN L313 ript$VariableManager]: TermVariabe t_funThread6of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:27:18,885 WARN L313 ript$VariableManager]: TermVariabe |t_funThread6of6ForFork0_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:27:18,885 WARN L313 ript$VariableManager]: TermVariabe |t_funThread6of6ForFork0_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:27:18,885 WARN L313 ript$VariableManager]: TermVariabe |t_funThread6of6ForFork0_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:27:18,886 WARN L313 ript$VariableManager]: TermVariabe |t_funThread6of6ForFork0_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:27:18,886 WARN L313 ript$VariableManager]: TermVariabe |t_funThread6of6ForFork0_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:27:18,886 WARN L313 ript$VariableManager]: TermVariabe |t_funThread6of6ForFork0_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:27:18,886 WARN L313 ript$VariableManager]: TermVariabe |t_funThread6of6ForFork0_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:27:18,886 WARN L313 ript$VariableManager]: TermVariabe |t_funThread6of6ForFork0_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:27:18,886 WARN L313 ript$VariableManager]: TermVariabe |t_funThread6of6ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:27:18,886 WARN L313 ript$VariableManager]: TermVariabe |t_funThread6of6ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:27:18,886 WARN L313 ript$VariableManager]: TermVariabe |t_funThread6of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:27:18,886 WARN L313 ript$VariableManager]: TermVariabe |t_funThread6of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:27:18,886 WARN L313 ript$VariableManager]: TermVariabe |t_funThread6of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:27:18,886 WARN L313 ript$VariableManager]: TermVariabe |t_funThread6of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:27:18,886 WARN L313 ript$VariableManager]: TermVariabe t_funThread6of6ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:27:18,886 WARN L313 ript$VariableManager]: TermVariabe t_funThread6of6ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:27:18,886 WARN L313 ript$VariableManager]: TermVariabe |t_funThread6of6ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:27:18,886 WARN L313 ript$VariableManager]: TermVariabe t_funThread6of6ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:27:18,886 WARN L313 ript$VariableManager]: TermVariabe |t_funThread6of6ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:27:18,886 WARN L313 ript$VariableManager]: TermVariabe t_funThread6of6ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:27:18,886 WARN L313 ript$VariableManager]: TermVariabe t_funThread6of6ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:27:18,886 WARN L313 ript$VariableManager]: TermVariabe t_funThread6of6ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:27:18,887 WARN L313 ript$VariableManager]: TermVariabe t_funThread6of6ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:27:18,887 WARN L313 ript$VariableManager]: TermVariabe t_funThread6of6ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:27:18,887 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of6ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:27:18,887 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of6ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:27:18,887 WARN L313 ript$VariableManager]: TermVariabe t_funThread4of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:27:18,887 WARN L313 ript$VariableManager]: TermVariabe t_funThread4of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:27:18,887 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of6ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:27:18,887 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of6ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:27:18,887 WARN L313 ript$VariableManager]: TermVariabe t_funThread4of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:27:18,887 WARN L313 ript$VariableManager]: TermVariabe t_funThread4of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:27:18,887 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of6ForFork0_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:27:18,887 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of6ForFork0_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:27:18,887 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of6ForFork0_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:27:18,887 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of6ForFork0_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:27:18,887 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of6ForFork0_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:27:18,887 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of6ForFork0_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:27:18,888 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of6ForFork0_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:27:18,888 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of6ForFork0_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:27:18,888 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of6ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:27:18,888 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of6ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:27:18,888 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:27:18,888 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:27:18,888 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:27:18,888 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:27:18,888 WARN L313 ript$VariableManager]: TermVariabe t_funThread4of6ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:27:18,888 WARN L313 ript$VariableManager]: TermVariabe t_funThread4of6ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:27:18,888 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of6ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:27:18,888 WARN L313 ript$VariableManager]: TermVariabe t_funThread4of6ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:27:18,888 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of6ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:27:18,888 WARN L313 ript$VariableManager]: TermVariabe t_funThread4of6ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:27:18,888 WARN L313 ript$VariableManager]: TermVariabe t_funThread4of6ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:27:18,888 WARN L313 ript$VariableManager]: TermVariabe t_funThread4of6ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:27:18,888 WARN L313 ript$VariableManager]: TermVariabe t_funThread4of6ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:27:18,889 WARN L313 ript$VariableManager]: TermVariabe t_funThread4of6ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:27:18,889 WARN L313 ript$VariableManager]: TermVariabe |t_funThread5of6ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:27:18,889 WARN L313 ript$VariableManager]: TermVariabe |t_funThread5of6ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:27:18,889 WARN L313 ript$VariableManager]: TermVariabe t_funThread5of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:27:18,889 WARN L313 ript$VariableManager]: TermVariabe t_funThread5of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:27:18,889 WARN L313 ript$VariableManager]: TermVariabe |t_funThread5of6ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:27:18,889 WARN L313 ript$VariableManager]: TermVariabe |t_funThread5of6ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:27:18,889 WARN L313 ript$VariableManager]: TermVariabe t_funThread5of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:27:18,889 WARN L313 ript$VariableManager]: TermVariabe t_funThread5of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:27:18,889 WARN L313 ript$VariableManager]: TermVariabe |t_funThread5of6ForFork0_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:27:18,889 WARN L313 ript$VariableManager]: TermVariabe |t_funThread5of6ForFork0_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:27:18,889 WARN L313 ript$VariableManager]: TermVariabe |t_funThread5of6ForFork0_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:27:18,889 WARN L313 ript$VariableManager]: TermVariabe |t_funThread5of6ForFork0_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:27:18,889 WARN L313 ript$VariableManager]: TermVariabe |t_funThread5of6ForFork0_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:27:18,889 WARN L313 ript$VariableManager]: TermVariabe |t_funThread5of6ForFork0_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:27:18,890 WARN L313 ript$VariableManager]: TermVariabe |t_funThread5of6ForFork0_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:27:18,890 WARN L313 ript$VariableManager]: TermVariabe |t_funThread5of6ForFork0_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:27:18,890 WARN L313 ript$VariableManager]: TermVariabe |t_funThread5of6ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:27:18,890 WARN L313 ript$VariableManager]: TermVariabe |t_funThread5of6ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:27:18,890 WARN L313 ript$VariableManager]: TermVariabe |t_funThread5of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:27:18,890 WARN L313 ript$VariableManager]: TermVariabe |t_funThread5of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:27:18,890 WARN L313 ript$VariableManager]: TermVariabe |t_funThread5of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:27:18,890 WARN L313 ript$VariableManager]: TermVariabe |t_funThread5of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:27:18,890 WARN L313 ript$VariableManager]: TermVariabe t_funThread5of6ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:27:18,890 WARN L313 ript$VariableManager]: TermVariabe t_funThread5of6ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:27:18,890 WARN L313 ript$VariableManager]: TermVariabe |t_funThread5of6ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:27:18,890 WARN L313 ript$VariableManager]: TermVariabe t_funThread5of6ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:27:18,890 WARN L313 ript$VariableManager]: TermVariabe |t_funThread5of6ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:27:18,890 WARN L313 ript$VariableManager]: TermVariabe t_funThread5of6ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:27:18,890 WARN L313 ript$VariableManager]: TermVariabe t_funThread5of6ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:27:18,890 WARN L313 ript$VariableManager]: TermVariabe t_funThread5of6ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:27:18,890 WARN L313 ript$VariableManager]: TermVariabe t_funThread5of6ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:27:18,890 WARN L313 ript$VariableManager]: TermVariabe t_funThread5of6ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:27:18,891 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of6ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:27:18,891 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of6ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:27:18,891 WARN L313 ript$VariableManager]: TermVariabe t_funThread3of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:27:18,891 WARN L313 ript$VariableManager]: TermVariabe t_funThread3of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:27:18,891 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of6ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:27:18,891 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of6ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:27:18,891 WARN L313 ript$VariableManager]: TermVariabe t_funThread3of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:27:18,891 WARN L313 ript$VariableManager]: TermVariabe t_funThread3of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:27:18,891 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of6ForFork0_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:27:18,891 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of6ForFork0_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:27:18,891 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of6ForFork0_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:27:18,892 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of6ForFork0_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:27:18,892 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of6ForFork0_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:27:18,892 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of6ForFork0_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:27:18,892 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of6ForFork0_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:27:18,892 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of6ForFork0_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:27:18,892 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of6ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:27:18,892 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of6ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:27:18,892 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:27:18,892 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:27:18,892 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:27:18,892 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:27:18,892 WARN L313 ript$VariableManager]: TermVariabe t_funThread3of6ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:27:18,892 WARN L313 ript$VariableManager]: TermVariabe t_funThread3of6ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:27:18,892 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of6ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:27:18,892 WARN L313 ript$VariableManager]: TermVariabe t_funThread3of6ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:27:18,892 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of6ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:27:18,892 WARN L313 ript$VariableManager]: TermVariabe t_funThread3of6ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:27:18,892 WARN L313 ript$VariableManager]: TermVariabe t_funThread3of6ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:27:18,893 WARN L313 ript$VariableManager]: TermVariabe t_funThread3of6ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:27:18,893 WARN L313 ript$VariableManager]: TermVariabe t_funThread3of6ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:27:18,893 WARN L313 ript$VariableManager]: TermVariabe t_funThread3of6ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:27:18,893 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of6ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:27:18,893 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:27:18,893 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of6ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:27:18,893 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of6ForFork0_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:27:18,893 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of6ForFork0_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:27:18,893 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:27:18,893 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:27:18,893 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:27:18,894 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of6ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:27:18,895 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:27:18,895 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:27:18,895 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:27:18,895 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of6ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:27:18,895 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of6ForFork0_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:27:18,895 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of6ForFork0_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:27:18,895 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:27:18,896 WARN L313 ript$VariableManager]: TermVariabe t_funThread3of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:27:18,896 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:27:18,896 WARN L313 ript$VariableManager]: TermVariabe t_funThread3of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:27:18,896 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of6ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:27:18,896 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:27:18,896 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of6ForFork0_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:27:18,896 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of6ForFork0_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:27:18,896 WARN L313 ript$VariableManager]: TermVariabe t_funThread3of6ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:27:18,897 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of6ForFork0_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:27:18,897 WARN L313 ript$VariableManager]: TermVariabe t_funThread4of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:27:18,897 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of6ForFork0_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:27:18,897 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of6ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:27:18,897 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:27:18,897 WARN L313 ript$VariableManager]: TermVariabe t_funThread4of6ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:27:18,897 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:27:18,897 WARN L313 ript$VariableManager]: TermVariabe t_funThread4of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:27:18,898 WARN L313 ript$VariableManager]: TermVariabe |t_funThread5of6ForFork0_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:27:18,898 WARN L313 ript$VariableManager]: TermVariabe |t_funThread5of6ForFork0_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:27:18,898 WARN L313 ript$VariableManager]: TermVariabe t_funThread5of6ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:27:18,898 WARN L313 ript$VariableManager]: TermVariabe |t_funThread5of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:27:18,898 WARN L313 ript$VariableManager]: TermVariabe t_funThread5of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:27:18,898 WARN L313 ript$VariableManager]: TermVariabe |t_funThread5of6ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:27:18,898 WARN L313 ript$VariableManager]: TermVariabe |t_funThread5of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:27:18,898 WARN L313 ript$VariableManager]: TermVariabe t_funThread5of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:27:18,899 WARN L313 ript$VariableManager]: TermVariabe t_funThread6of6ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:27:18,899 WARN L313 ript$VariableManager]: TermVariabe |t_funThread6of6ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:27:18,899 WARN L313 ript$VariableManager]: TermVariabe |t_funThread6of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:27:18,899 WARN L313 ript$VariableManager]: TermVariabe |t_funThread6of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:27:18,899 WARN L313 ript$VariableManager]: TermVariabe t_funThread6of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:27:18,900 WARN L313 ript$VariableManager]: TermVariabe |t_funThread6of6ForFork0_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:27:18,900 WARN L313 ript$VariableManager]: TermVariabe t_funThread6of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:27:18,900 WARN L313 ript$VariableManager]: TermVariabe |t_funThread6of6ForFork0_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 16:27:18,904 INFO L149 ThreadInstanceAdder]: Constructed 6 joinOtherThreadTransitions. [2021-03-25 16:27:18,904 INFO L253 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2021-03-25 16:27:18,907 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-03-25 16:27:18,907 INFO L377 AbstractCegarLoop]: Hoare is false [2021-03-25 16:27:18,907 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-03-25 16:27:18,907 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-03-25 16:27:18,907 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-03-25 16:27:18,907 INFO L381 AbstractCegarLoop]: Difference is false [2021-03-25 16:27:18,907 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-03-25 16:27:18,907 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-03-25 16:27:18,909 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 216 places, 238 transitions, 554 flow [2021-03-25 16:27:19,025 INFO L129 PetriNetUnfolder]: 287/1607 cut-off events. [2021-03-25 16:27:19,025 INFO L130 PetriNetUnfolder]: For 242/242 co-relation queries the response was YES. [2021-03-25 16:27:19,037 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1839 conditions, 1607 events. 287/1607 cut-off events. For 242/242 co-relation queries the response was YES. Maximal size of possible extension queue 29. Compared 9666 event pairs, 72 based on Foata normal form. 0/1378 useless extension candidates. Maximal degree in co-relation 1095. Up to 192 conditions per place. [2021-03-25 16:27:19,037 INFO L82 GeneralOperation]: Start removeDead. Operand has 216 places, 238 transitions, 554 flow [2021-03-25 16:27:19,044 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 216 places, 238 transitions, 554 flow [2021-03-25 16:27:19,044 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 16:27:19,044 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 216 places, 238 transitions, 554 flow [2021-03-25 16:27:19,044 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 216 places, 238 transitions, 554 flow [2021-03-25 16:27:19,045 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 216 places, 238 transitions, 554 flow [2021-03-25 16:27:19,151 INFO L129 PetriNetUnfolder]: 287/1607 cut-off events. [2021-03-25 16:27:19,151 INFO L130 PetriNetUnfolder]: For 242/242 co-relation queries the response was YES. [2021-03-25 16:27:19,166 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1839 conditions, 1607 events. 287/1607 cut-off events. For 242/242 co-relation queries the response was YES. Maximal size of possible extension queue 28. Compared 9547 event pairs, 72 based on Foata normal form. 0/1378 useless extension candidates. Maximal degree in co-relation 1095. Up to 192 conditions per place. [2021-03-25 16:27:19,203 INFO L142 LiptonReduction]: Number of co-enabled transitions 32040 [2021-03-25 16:27:22,599 INFO L154 LiptonReduction]: Checked pairs total: 15600 [2021-03-25 16:27:22,599 INFO L156 LiptonReduction]: Total number of compositions: 123 [2021-03-25 16:27:22,600 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 3556 [2021-03-25 16:27:22,602 INFO L129 PetriNetUnfolder]: 6/56 cut-off events. [2021-03-25 16:27:22,602 INFO L130 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2021-03-25 16:27:22,602 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 16:27:22,603 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 16:27:22,603 INFO L428 AbstractCegarLoop]: === Iteration 1 === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 16:27:22,603 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 16:27:22,603 INFO L82 PathProgramCache]: Analyzing trace with hash 653457255, now seen corresponding path program 1 times [2021-03-25 16:27:22,603 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 16:27:22,603 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1921226242] [2021-03-25 16:27:22,603 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 16:27:22,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 16:27:22,617 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:27:22,617 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 16:27:22,618 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:27:22,618 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 16:27:22,620 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:27:22,621 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-25 16:27:22,624 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:27:22,624 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-25 16:27:22,628 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 16:27:22,633 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1921226242] [2021-03-25 16:27:22,633 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 16:27:22,633 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-03-25 16:27:22,633 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1538096647] [2021-03-25 16:27:22,634 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-03-25 16:27:22,634 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 16:27:22,634 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-03-25 16:27:22,634 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-03-25 16:27:22,635 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 276 out of 361 [2021-03-25 16:27:22,636 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 133 places, 149 transitions, 376 flow. Second operand has 5 states, 5 states have (on average 277.2) internal successors, (1386), 5 states have internal predecessors, (1386), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 16:27:22,636 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 16:27:22,636 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 276 of 361 [2021-03-25 16:27:22,636 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 16:27:26,760 INFO L129 PetriNetUnfolder]: 12041/44035 cut-off events. [2021-03-25 16:27:26,760 INFO L130 PetriNetUnfolder]: For 5047/5319 co-relation queries the response was YES. [2021-03-25 16:27:26,950 INFO L84 FinitePrefix]: Finished finitePrefix Result has 60831 conditions, 44035 events. 12041/44035 cut-off events. For 5047/5319 co-relation queries the response was YES. Maximal size of possible extension queue 1244. Compared 593155 event pairs, 2938 based on Foata normal form. 20076/59717 useless extension candidates. Maximal degree in co-relation 35563. Up to 4996 conditions per place. [2021-03-25 16:27:27,091 INFO L132 encePairwiseOnDemand]: 334/361 looper letters, 63 selfloop transitions, 8 changer transitions 0/180 dead transitions. [2021-03-25 16:27:27,091 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 137 places, 180 transitions, 580 flow [2021-03-25 16:27:27,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-25 16:27:27,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-25 16:27:27,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 2407 transitions. [2021-03-25 16:27:27,093 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8334487534626038 [2021-03-25 16:27:27,093 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 2407 transitions. [2021-03-25 16:27:27,094 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 2407 transitions. [2021-03-25 16:27:27,094 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 16:27:27,094 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 2407 transitions. [2021-03-25 16:27:27,096 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 300.875) internal successors, (2407), 8 states have internal predecessors, (2407), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 16:27:27,098 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 361.0) internal successors, (3249), 9 states have internal predecessors, (3249), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 16:27:27,099 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 361.0) internal successors, (3249), 9 states have internal predecessors, (3249), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 16:27:27,099 INFO L185 Difference]: Start difference. First operand has 133 places, 149 transitions, 376 flow. Second operand 8 states and 2407 transitions. [2021-03-25 16:27:27,099 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 137 places, 180 transitions, 580 flow [2021-03-25 16:27:27,113 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 137 places, 180 transitions, 580 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-03-25 16:27:27,114 INFO L241 Difference]: Finished difference. Result has 142 places, 132 transitions, 387 flow [2021-03-25 16:27:27,114 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=361, PETRI_DIFFERENCE_MINUEND_FLOW=328, PETRI_DIFFERENCE_MINUEND_PLACES=130, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=125, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=120, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=387, PETRI_PLACES=142, PETRI_TRANSITIONS=132} [2021-03-25 16:27:27,115 INFO L343 CegarLoopForPetriNet]: 133 programPoint places, 9 predicate places. [2021-03-25 16:27:27,115 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 16:27:27,115 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 142 places, 132 transitions, 387 flow [2021-03-25 16:27:27,115 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 142 places, 132 transitions, 387 flow [2021-03-25 16:27:27,116 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 142 places, 132 transitions, 387 flow [2021-03-25 16:27:27,302 INFO L129 PetriNetUnfolder]: 453/2756 cut-off events. [2021-03-25 16:27:27,302 INFO L130 PetriNetUnfolder]: For 741/770 co-relation queries the response was YES. [2021-03-25 16:27:27,314 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3545 conditions, 2756 events. 453/2756 cut-off events. For 741/770 co-relation queries the response was YES. Maximal size of possible extension queue 60. Compared 21790 event pairs, 216 based on Foata normal form. 6/2504 useless extension candidates. Maximal degree in co-relation 2957. Up to 576 conditions per place. [2021-03-25 16:27:27,350 INFO L142 LiptonReduction]: Number of co-enabled transitions 11304 [2021-03-25 16:27:30,832 WARN L205 SmtUtils]: Spent 389.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 133 [2021-03-25 16:27:31,027 WARN L205 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2021-03-25 16:27:31,453 WARN L205 SmtUtils]: Spent 425.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 133 [2021-03-25 16:27:31,650 WARN L205 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2021-03-25 16:27:31,848 INFO L154 LiptonReduction]: Checked pairs total: 16596 [2021-03-25 16:27:31,849 INFO L156 LiptonReduction]: Total number of compositions: 48 [2021-03-25 16:27:31,849 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 4734 [2021-03-25 16:27:31,849 INFO L480 AbstractCegarLoop]: Abstraction has has 109 places, 99 transitions, 323 flow [2021-03-25 16:27:31,850 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 277.2) internal successors, (1386), 5 states have internal predecessors, (1386), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 16:27:31,850 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 16:27:31,850 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 16:27:31,850 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2021-03-25 16:27:31,850 INFO L428 AbstractCegarLoop]: === Iteration 2 === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 16:27:31,850 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 16:27:31,850 INFO L82 PathProgramCache]: Analyzing trace with hash 1535330518, now seen corresponding path program 1 times [2021-03-25 16:27:31,850 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 16:27:31,850 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1474212305] [2021-03-25 16:27:31,850 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 16:27:31,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 16:27:31,895 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:27:31,896 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 16:27:31,896 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:27:31,896 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 16:27:31,899 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:27:31,899 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-25 16:27:31,903 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:27:31,903 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-25 16:27:31,907 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-03-25 16:27:31,907 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1474212305] [2021-03-25 16:27:31,907 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 16:27:31,907 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-03-25 16:27:31,907 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1283481373] [2021-03-25 16:27:31,907 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-03-25 16:27:31,908 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 16:27:31,908 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-03-25 16:27:31,908 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-03-25 16:27:31,909 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 307 out of 409 [2021-03-25 16:27:31,910 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 109 places, 99 transitions, 323 flow. Second operand has 5 states, 5 states have (on average 308.2) internal successors, (1541), 5 states have internal predecessors, (1541), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 16:27:31,910 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 16:27:31,910 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 307 of 409 [2021-03-25 16:27:31,910 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 16:27:37,233 INFO L129 PetriNetUnfolder]: 14821/53666 cut-off events. [2021-03-25 16:27:37,233 INFO L130 PetriNetUnfolder]: For 14311/15054 co-relation queries the response was YES. [2021-03-25 16:27:37,511 INFO L84 FinitePrefix]: Finished finitePrefix Result has 80906 conditions, 53666 events. 14821/53666 cut-off events. For 14311/15054 co-relation queries the response was YES. Maximal size of possible extension queue 1528. Compared 741521 event pairs, 5512 based on Foata normal form. 3/45595 useless extension candidates. Maximal degree in co-relation 54502. Up to 7029 conditions per place. [2021-03-25 16:27:37,691 INFO L132 encePairwiseOnDemand]: 401/409 looper letters, 38 selfloop transitions, 11 changer transitions 0/129 dead transitions. [2021-03-25 16:27:37,691 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 113 places, 129 transitions, 518 flow [2021-03-25 16:27:37,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-25 16:27:37,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-03-25 16:27:37,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1585 transitions. [2021-03-25 16:27:37,693 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7750611246943765 [2021-03-25 16:27:37,693 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 1585 transitions. [2021-03-25 16:27:37,693 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 1585 transitions. [2021-03-25 16:27:37,693 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 16:27:37,693 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1585 transitions. [2021-03-25 16:27:37,694 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 317.0) internal successors, (1585), 5 states have internal predecessors, (1585), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 16:27:37,695 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 409.0) internal successors, (2454), 6 states have internal predecessors, (2454), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 16:27:37,696 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 409.0) internal successors, (2454), 6 states have internal predecessors, (2454), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 16:27:37,696 INFO L185 Difference]: Start difference. First operand has 109 places, 99 transitions, 323 flow. Second operand 5 states and 1585 transitions. [2021-03-25 16:27:37,696 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 113 places, 129 transitions, 518 flow [2021-03-25 16:27:37,743 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 113 places, 129 transitions, 514 flow, removed 2 selfloop flow, removed 0 redundant places. [2021-03-25 16:27:37,744 INFO L241 Difference]: Finished difference. Result has 115 places, 105 transitions, 394 flow [2021-03-25 16:27:37,745 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=409, PETRI_DIFFERENCE_MINUEND_FLOW=321, PETRI_DIFFERENCE_MINUEND_PLACES=109, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=99, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=92, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=394, PETRI_PLACES=115, PETRI_TRANSITIONS=105} [2021-03-25 16:27:37,745 INFO L343 CegarLoopForPetriNet]: 133 programPoint places, -18 predicate places. [2021-03-25 16:27:37,745 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 16:27:37,745 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 115 places, 105 transitions, 394 flow [2021-03-25 16:27:37,745 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 115 places, 105 transitions, 394 flow [2021-03-25 16:27:37,745 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 115 places, 105 transitions, 394 flow [2021-03-25 16:27:38,240 INFO L129 PetriNetUnfolder]: 1352/6958 cut-off events. [2021-03-25 16:27:38,241 INFO L130 PetriNetUnfolder]: For 2690/2740 co-relation queries the response was YES. [2021-03-25 16:27:38,277 INFO L84 FinitePrefix]: Finished finitePrefix Result has 9949 conditions, 6958 events. 1352/6958 cut-off events. For 2690/2740 co-relation queries the response was YES. Maximal size of possible extension queue 177. Compared 69884 event pairs, 580 based on Foata normal form. 12/6160 useless extension candidates. Maximal degree in co-relation 7006. Up to 1492 conditions per place. [2021-03-25 16:27:38,355 INFO L142 LiptonReduction]: Number of co-enabled transitions 5976 [2021-03-25 16:27:42,600 INFO L154 LiptonReduction]: Checked pairs total: 14069 [2021-03-25 16:27:42,600 INFO L156 LiptonReduction]: Total number of compositions: 14 [2021-03-25 16:27:42,600 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 4855 [2021-03-25 16:27:42,601 INFO L480 AbstractCegarLoop]: Abstraction has has 113 places, 103 transitions, 390 flow [2021-03-25 16:27:42,601 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 308.2) internal successors, (1541), 5 states have internal predecessors, (1541), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 16:27:42,601 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 16:27:42,601 INFO L263 CegarLoopForPetriNet]: trace histogram [3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 16:27:42,601 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2021-03-25 16:27:42,601 INFO L428 AbstractCegarLoop]: === Iteration 3 === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 16:27:42,601 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 16:27:42,601 INFO L82 PathProgramCache]: Analyzing trace with hash -1247760474, now seen corresponding path program 1 times [2021-03-25 16:27:42,601 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 16:27:42,601 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1654315377] [2021-03-25 16:27:42,601 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 16:27:42,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 16:27:42,623 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:27:42,623 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 16:27:42,625 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:27:42,626 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-25 16:27:42,628 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2021-03-25 16:27:42,629 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1654315377] [2021-03-25 16:27:42,629 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 16:27:42,629 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-03-25 16:27:42,629 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1579474988] [2021-03-25 16:27:42,629 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-25 16:27:42,629 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 16:27:42,629 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-25 16:27:42,629 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-03-25 16:27:42,631 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 313 out of 423 [2021-03-25 16:27:42,631 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 113 places, 103 transitions, 390 flow. Second operand has 4 states, 4 states have (on average 314.0) internal successors, (1256), 4 states have internal predecessors, (1256), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 16:27:42,631 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 16:27:42,631 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 313 of 423 [2021-03-25 16:27:42,631 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 16:28:02,507 INFO L129 PetriNetUnfolder]: 66798/167867 cut-off events. [2021-03-25 16:28:02,507 INFO L130 PetriNetUnfolder]: For 94150/100509 co-relation queries the response was YES. [2021-03-25 16:28:03,642 INFO L84 FinitePrefix]: Finished finitePrefix Result has 311533 conditions, 167867 events. 66798/167867 cut-off events. For 94150/100509 co-relation queries the response was YES. Maximal size of possible extension queue 5750. Compared 2337004 event pairs, 27643 based on Foata normal form. 2/141966 useless extension candidates. Maximal degree in co-relation 214473. Up to 36154 conditions per place. [2021-03-25 16:28:04,488 INFO L132 encePairwiseOnDemand]: 409/423 looper letters, 47 selfloop transitions, 22 changer transitions 0/143 dead transitions. [2021-03-25 16:28:04,488 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 117 places, 143 transitions, 697 flow [2021-03-25 16:28:04,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-25 16:28:04,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-03-25 16:28:04,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1637 transitions. [2021-03-25 16:28:04,490 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7739952718676123 [2021-03-25 16:28:04,490 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 1637 transitions. [2021-03-25 16:28:04,490 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 1637 transitions. [2021-03-25 16:28:04,490 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 16:28:04,490 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1637 transitions. [2021-03-25 16:28:04,492 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 327.4) internal successors, (1637), 5 states have internal predecessors, (1637), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 16:28:04,494 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 423.0) internal successors, (2538), 6 states have internal predecessors, (2538), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 16:28:04,494 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 423.0) internal successors, (2538), 6 states have internal predecessors, (2538), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 16:28:04,494 INFO L185 Difference]: Start difference. First operand has 113 places, 103 transitions, 390 flow. Second operand 5 states and 1637 transitions. [2021-03-25 16:28:04,494 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 117 places, 143 transitions, 697 flow [2021-03-25 16:28:04,756 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 117 places, 143 transitions, 697 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-03-25 16:28:04,758 INFO L241 Difference]: Finished difference. Result has 120 places, 115 transitions, 563 flow [2021-03-25 16:28:04,758 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=423, PETRI_DIFFERENCE_MINUEND_FLOW=390, PETRI_DIFFERENCE_MINUEND_PLACES=113, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=103, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=91, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=563, PETRI_PLACES=120, PETRI_TRANSITIONS=115} [2021-03-25 16:28:04,758 INFO L343 CegarLoopForPetriNet]: 133 programPoint places, -13 predicate places. [2021-03-25 16:28:04,758 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 16:28:04,758 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 120 places, 115 transitions, 563 flow [2021-03-25 16:28:04,758 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 120 places, 115 transitions, 563 flow [2021-03-25 16:28:04,759 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 120 places, 115 transitions, 563 flow [2021-03-25 16:28:07,091 INFO L129 PetriNetUnfolder]: 4970/24836 cut-off events. [2021-03-25 16:28:07,091 INFO L130 PetriNetUnfolder]: For 26515/38878 co-relation queries the response was YES. [2021-03-25 16:28:07,196 INFO L84 FinitePrefix]: Finished finitePrefix Result has 40338 conditions, 24836 events. 4970/24836 cut-off events. For 26515/38878 co-relation queries the response was YES. Maximal size of possible extension queue 1002. Compared 341278 event pairs, 2365 based on Foata normal form. 86/21146 useless extension candidates. Maximal degree in co-relation 27079. Up to 4641 conditions per place. [2021-03-25 16:28:07,430 INFO L142 LiptonReduction]: Number of co-enabled transitions 6330 [2021-03-25 16:35:03,444 INFO L154 LiptonReduction]: Checked pairs total: 9828 [2021-03-25 16:35:03,444 INFO L156 LiptonReduction]: Total number of compositions: 4 [2021-03-25 16:35:03,445 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 418686 [2021-03-25 16:35:03,445 INFO L480 AbstractCegarLoop]: Abstraction has has 120 places, 115 transitions, 563 flow [2021-03-25 16:35:03,445 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 314.0) internal successors, (1256), 4 states have internal predecessors, (1256), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 16:35:03,445 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 16:35:03,445 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 16:35:03,445 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2021-03-25 16:35:03,446 INFO L428 AbstractCegarLoop]: === Iteration 4 === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 16:35:03,446 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 16:35:03,446 INFO L82 PathProgramCache]: Analyzing trace with hash 401559113, now seen corresponding path program 1 times [2021-03-25 16:35:03,446 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 16:35:03,446 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [471412153] [2021-03-25 16:35:03,446 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 16:35:03,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 16:35:03,460 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:35:03,460 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 16:35:03,463 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:35:03,463 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 16:35:03,466 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:35:03,467 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 16:35:03,471 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:35:03,471 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 16:35:03,471 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 16:35:03,471 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [471412153] [2021-03-25 16:35:03,471 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [765979676] [2021-03-25 16:35:03,472 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-25 16:35:03,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 16:35:03,576 INFO L263 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 4 conjunts are in the unsatisfiable core [2021-03-25 16:35:03,576 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-25 16:35:03,577 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:35:03,577 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 16:35:03,577 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:35:03,577 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 16:35:03,578 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:35:03,578 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 16:35:03,578 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:35:03,578 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 16:35:03,583 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:35:03,583 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 16:35:03,583 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:35:03,583 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 16:35:03,583 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:35:03,584 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 16:35:03,584 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:35:03,584 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 16:35:03,584 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:35:03,585 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 16:35:03,585 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:35:03,585 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 16:35:03,585 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:35:03,585 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 16:35:03,586 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:35:03,586 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 16:35:03,586 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:35:03,586 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 16:35:03,587 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:35:03,587 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 16:35:03,587 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:35:03,587 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 16:35:03,587 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:35:03,588 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 16:35:03,588 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:35:03,588 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 16:35:03,588 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:35:03,589 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 16:35:03,589 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:35:03,589 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 16:35:03,589 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:35:03,589 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 16:35:03,590 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:35:03,590 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 16:35:03,590 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:35:03,590 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 16:35:03,591 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:35:03,591 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 16:35:03,591 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:35:03,591 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 16:35:03,591 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:35:03,592 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 16:35:03,592 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:35:03,592 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 16:35:03,592 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:35:03,593 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 16:35:03,593 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:35:03,593 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 16:35:03,593 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:35:03,594 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 16:35:03,594 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:35:03,595 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 16:35:03,595 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:35:03,596 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 16:35:03,596 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-25 16:35:03,596 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:35:03,597 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 16:35:03,597 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:35:03,598 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 16:35:03,602 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:35:03,602 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 16:35:03,603 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:35:03,603 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 16:35:03,604 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:35:03,605 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 16:35:03,605 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 16:35:03,605 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:35:03,606 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 16:35:03,606 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:35:03,607 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 16:35:03,607 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:35:03,607 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 16:35:03,607 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:35:03,608 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 16:35:03,608 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:35:03,608 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 16:35:03,608 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:35:03,609 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 16:35:03,609 INFO L142 QuantifierPusher]: treesize reduction 7, result has 12.5 percent of original size [2021-03-25 16:35:03,609 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 16:35:03,610 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:35:03,610 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 16:35:03,610 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:35:03,610 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 16:35:03,611 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:35:03,611 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 16:35:03,611 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:35:03,611 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 16:35:03,612 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:35:03,612 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 16:35:03,612 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:35:03,612 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 16:35:03,612 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:35:03,613 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 16:35:03,613 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:35:03,613 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 16:35:03,613 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:35:03,614 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 16:35:03,614 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:35:03,614 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 16:35:03,614 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:35:03,614 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 16:35:03,615 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:35:03,615 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 16:35:03,615 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:35:03,615 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 16:35:03,616 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:35:03,616 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 16:35:03,616 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:35:03,616 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 16:35:03,616 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:35:03,617 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 16:35:03,617 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:35:03,617 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 16:35:03,617 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:35:03,617 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 16:35:03,618 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:35:03,618 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 16:35:03,618 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:35:03,618 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 16:35:03,619 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:35:03,619 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 16:35:03,619 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:35:03,619 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 16:35:03,619 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:35:03,620 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 16:35:03,620 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:35:03,620 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 16:35:03,620 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:35:03,621 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 16:35:03,621 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:35:03,621 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 16:35:03,621 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:35:03,622 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 16:35:03,622 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:35:03,622 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 16:35:03,622 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:35:03,623 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 16:35:03,623 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:35:03,623 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 16:35:03,623 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:35:03,624 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 16:35:03,624 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:35:03,624 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 16:35:03,624 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:35:03,625 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 16:35:03,625 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:35:03,625 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 16:35:03,625 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:35:03,626 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 16:35:03,626 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 16:35:03,626 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 16:35:03,626 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 16:35:03,626 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-25 16:35:03,627 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 6 [2021-03-25 16:35:03,627 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1107234526] [2021-03-25 16:35:03,627 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-25 16:35:03,627 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 16:35:03,627 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-25 16:35:03,627 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-03-25 16:35:03,629 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 344 out of 427 [2021-03-25 16:35:03,630 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 120 places, 115 transitions, 563 flow. Second operand has 7 states, 7 states have (on average 345.7142857142857) internal successors, (2420), 7 states have internal predecessors, (2420), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 16:35:03,630 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 16:35:03,630 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 344 of 427 [2021-03-25 16:35:03,630 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 16:35:06,113 INFO L129 PetriNetUnfolder]: 5553/27294 cut-off events. [2021-03-25 16:35:06,113 INFO L130 PetriNetUnfolder]: For 28085/41027 co-relation queries the response was YES. [2021-03-25 16:35:06,277 INFO L84 FinitePrefix]: Finished finitePrefix Result has 43531 conditions, 27294 events. 5553/27294 cut-off events. For 28085/41027 co-relation queries the response was YES. Maximal size of possible extension queue 1033. Compared 378199 event pairs, 2530 based on Foata normal form. 69/23188 useless extension candidates. Maximal degree in co-relation 28644. Up to 5405 conditions per place. [2021-03-25 16:35:06,568 INFO L132 encePairwiseOnDemand]: 422/427 looper letters, 11 selfloop transitions, 5 changer transitions 0/124 dead transitions. [2021-03-25 16:35:06,568 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 125 places, 124 transitions, 613 flow [2021-03-25 16:35:06,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-25 16:35:06,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-03-25 16:35:06,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2082 transitions. [2021-03-25 16:35:06,570 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8126463700234192 [2021-03-25 16:35:06,570 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 2082 transitions. [2021-03-25 16:35:06,570 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 2082 transitions. [2021-03-25 16:35:06,570 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 16:35:06,570 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 2082 transitions. [2021-03-25 16:35:06,572 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 347.0) internal successors, (2082), 6 states have internal predecessors, (2082), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 16:35:06,574 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 427.0) internal successors, (2989), 7 states have internal predecessors, (2989), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 16:35:06,574 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 427.0) internal successors, (2989), 7 states have internal predecessors, (2989), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 16:35:06,574 INFO L185 Difference]: Start difference. First operand has 120 places, 115 transitions, 563 flow. Second operand 6 states and 2082 transitions. [2021-03-25 16:35:06,574 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 125 places, 124 transitions, 613 flow [2021-03-25 16:35:06,608 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 125 places, 124 transitions, 613 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-03-25 16:35:06,610 INFO L241 Difference]: Finished difference. Result has 128 places, 119 transitions, 597 flow [2021-03-25 16:35:06,610 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=427, PETRI_DIFFERENCE_MINUEND_FLOW=563, PETRI_DIFFERENCE_MINUEND_PLACES=120, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=115, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=111, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=597, PETRI_PLACES=128, PETRI_TRANSITIONS=119} [2021-03-25 16:35:06,610 INFO L343 CegarLoopForPetriNet]: 133 programPoint places, -5 predicate places. [2021-03-25 16:35:06,610 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 16:35:06,610 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 128 places, 119 transitions, 597 flow [2021-03-25 16:35:06,610 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 128 places, 119 transitions, 597 flow [2021-03-25 16:35:06,611 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 128 places, 119 transitions, 597 flow [2021-03-25 16:35:08,942 INFO L129 PetriNetUnfolder]: 4945/24762 cut-off events. [2021-03-25 16:35:08,943 INFO L130 PetriNetUnfolder]: For 26499/38854 co-relation queries the response was YES. [2021-03-25 16:35:09,046 INFO L84 FinitePrefix]: Finished finitePrefix Result has 40094 conditions, 24762 events. 4945/24762 cut-off events. For 26499/38854 co-relation queries the response was YES. Maximal size of possible extension queue 964. Compared 339527 event pairs, 2302 based on Foata normal form. 81/21041 useless extension candidates. Maximal degree in co-relation 26491. Up to 4725 conditions per place. [2021-03-25 16:35:09,282 INFO L142 LiptonReduction]: Number of co-enabled transitions 6396 Received shutdown request... Cannot interrupt operation gracefully because timeout expired. Forcing shutdown