/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/pthread-lit/fkp2013-1.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-0e22065b97d0a1f8b3904e080cebe0f05e88d2b7-0e22065 [2021-06-11 07:04:57,922 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-11 07:04:57,924 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-11 07:04:57,952 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-06-11 07:04:57,952 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-06-11 07:04:57,956 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-06-11 07:04:57,958 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-06-11 07:04:57,964 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-06-11 07:04:57,965 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-06-11 07:04:57,966 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-06-11 07:04:57,967 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-06-11 07:04:57,967 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-06-11 07:04:57,968 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-06-11 07:04:57,968 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-06-11 07:04:57,969 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-06-11 07:04:57,970 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-06-11 07:04:57,970 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-06-11 07:04:57,971 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-06-11 07:04:57,972 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-06-11 07:04:57,974 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-06-11 07:04:57,975 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-06-11 07:04:57,976 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-06-11 07:04:57,977 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-06-11 07:04:57,978 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-06-11 07:04:57,980 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-06-11 07:04:57,980 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-06-11 07:04:57,980 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-06-11 07:04:57,981 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-06-11 07:04:57,981 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-06-11 07:04:57,982 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-06-11 07:04:57,982 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-06-11 07:04:57,983 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-06-11 07:04:57,984 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-06-11 07:04:57,984 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-06-11 07:04:57,985 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-06-11 07:04:57,985 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-06-11 07:04:57,986 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-06-11 07:04:57,986 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-06-11 07:04:57,987 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-06-11 07:04:57,987 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-06-11 07:04:57,988 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-06-11 07:04:57,989 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 [2021-06-11 07:04:58,020 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-11 07:04:58,021 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-11 07:04:58,022 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-11 07:04:58,022 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-11 07:04:58,022 INFO L138 SettingsManager]: * Use SBE=true [2021-06-11 07:04:58,022 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-11 07:04:58,023 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-11 07:04:58,023 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-11 07:04:58,023 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-11 07:04:58,023 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-11 07:04:58,023 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-11 07:04:58,023 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-11 07:04:58,024 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-11 07:04:58,024 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-11 07:04:58,024 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-11 07:04:58,024 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-11 07:04:58,024 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-11 07:04:58,025 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-11 07:04:58,025 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-11 07:04:58,025 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-11 07:04:58,025 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-11 07:04:58,025 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-11 07:04:58,025 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-11 07:04:58,026 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-11 07:04:58,026 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-11 07:04:58,026 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-11 07:04:58,026 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-11 07:04:58,026 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-06-11 07:04:58,026 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-06-11 07:04:58,027 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-11 07:04:58,308 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-11 07:04:58,343 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-11 07:04:58,345 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-11 07:04:58,346 INFO L271 PluginConnector]: Initializing CDTParser... [2021-06-11 07:04:58,347 INFO L275 PluginConnector]: CDTParser initialized [2021-06-11 07:04:58,348 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-lit/fkp2013-1.i [2021-06-11 07:04:58,409 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d4530b9e0/f77a9e582822470f9e31fc2dbf9fdb1b/FLAG689be3dc4 [2021-06-11 07:04:58,824 INFO L306 CDTParser]: Found 1 translation units. [2021-06-11 07:04:58,825 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-lit/fkp2013-1.i [2021-06-11 07:04:58,838 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d4530b9e0/f77a9e582822470f9e31fc2dbf9fdb1b/FLAG689be3dc4 [2021-06-11 07:04:59,136 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d4530b9e0/f77a9e582822470f9e31fc2dbf9fdb1b [2021-06-11 07:04:59,142 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-11 07:04:59,144 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-06-11 07:04:59,148 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-06-11 07:04:59,148 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-06-11 07:04:59,151 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-06-11 07:04:59,152 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.06 07:04:59" (1/1) ... [2021-06-11 07:04:59,154 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3ae13e3d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.06 07:04:59, skipping insertion in model container [2021-06-11 07:04:59,154 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.06 07:04:59" (1/1) ... [2021-06-11 07:04:59,159 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-06-11 07:04:59,198 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-06-11 07:04:59,417 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-lit/fkp2013-1.i[30003,30016] [2021-06-11 07:04:59,427 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-11 07:04:59,458 INFO L203 MainTranslator]: Completed pre-run [2021-06-11 07:04:59,512 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-lit/fkp2013-1.i[30003,30016] [2021-06-11 07:04:59,515 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-11 07:04:59,569 INFO L208 MainTranslator]: Completed translation [2021-06-11 07:04:59,570 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.06 07:04:59 WrapperNode [2021-06-11 07:04:59,570 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-06-11 07:04:59,571 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-11 07:04:59,571 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-11 07:04:59,571 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-11 07:04:59,576 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.06 07:04:59" (1/1) ... [2021-06-11 07:04:59,587 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.06 07:04:59" (1/1) ... [2021-06-11 07:04:59,602 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-11 07:04:59,603 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-11 07:04:59,603 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-11 07:04:59,603 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-11 07:04:59,609 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.06 07:04:59" (1/1) ... [2021-06-11 07:04:59,609 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.06 07:04:59" (1/1) ... [2021-06-11 07:04:59,612 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.06 07:04:59" (1/1) ... [2021-06-11 07:04:59,612 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.06 07:04:59" (1/1) ... [2021-06-11 07:04:59,615 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.06 07:04:59" (1/1) ... [2021-06-11 07:04:59,619 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.06 07:04:59" (1/1) ... [2021-06-11 07:04:59,620 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.06 07:04:59" (1/1) ... [2021-06-11 07:04:59,622 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-11 07:04:59,623 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-11 07:04:59,623 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-11 07:04:59,623 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-11 07:04:59,623 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.06 07:04:59" (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 [2021-06-11 07:04:59,692 INFO L130 BoogieDeclarations]: Found specification of procedure thr2 [2021-06-11 07:04:59,693 INFO L138 BoogieDeclarations]: Found implementation of procedure thr2 [2021-06-11 07:04:59,693 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2021-06-11 07:04:59,694 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2021-06-11 07:04:59,694 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-06-11 07:04:59,694 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-06-11 07:04:59,695 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-06-11 07:04:59,695 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-06-11 07:04:59,695 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-11 07:04:59,695 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-11 07:04:59,696 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-06-11 07:05:00,117 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-11 07:05:00,117 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2021-06-11 07:05:00,119 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.06 07:05:00 BoogieIcfgContainer [2021-06-11 07:05:00,119 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-11 07:05:00,121 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-11 07:05:00,121 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-11 07:05:00,123 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-11 07:05:00,124 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.06 07:04:59" (1/3) ... [2021-06-11 07:05:00,124 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6725dc24 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.06 07:05:00, skipping insertion in model container [2021-06-11 07:05:00,125 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.06 07:04:59" (2/3) ... [2021-06-11 07:05:00,125 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6725dc24 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.06 07:05:00, skipping insertion in model container [2021-06-11 07:05:00,125 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.06 07:05:00" (3/3) ... [2021-06-11 07:05:00,126 INFO L111 eAbstractionObserver]: Analyzing ICFG fkp2013-1.i [2021-06-11 07:05:00,131 INFO L149 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-11 07:05:00,135 INFO L161 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-06-11 07:05:00,136 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-11 07:05:00,164 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:00,165 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:00,165 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:00,165 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:00,165 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:00,165 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:00,165 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:00,166 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:00,167 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:00,167 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:00,167 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:00,167 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:00,167 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:00,168 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:00,168 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:00,168 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:00,168 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:00,168 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:00,169 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:00,169 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:00,169 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:00,169 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:00,169 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:00,170 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:00,170 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:00,170 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:00,170 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:00,171 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:00,171 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:00,171 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:00,172 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:00,172 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:00,172 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:00,172 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:00,172 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:00,173 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:00,173 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:00,173 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:00,174 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:00,175 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:00,175 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:00,175 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:00,177 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:00,177 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:00,178 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:00,178 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:00,178 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:00,182 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:00,183 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:00,183 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:00,183 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:00,183 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:00,183 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:00,185 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-06-11 07:05:00,202 INFO L253 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2021-06-11 07:05:00,234 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-06-11 07:05:00,235 INFO L377 AbstractCegarLoop]: Hoare is false [2021-06-11 07:05:00,235 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-11 07:05:00,235 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-11 07:05:00,235 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-11 07:05:00,235 INFO L381 AbstractCegarLoop]: Difference is false [2021-06-11 07:05:00,235 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-11 07:05:00,235 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-06-11 07:05:00,245 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 60 places, 56 transitions, 122 flow [2021-06-11 07:05:00,295 INFO L129 PetriNetUnfolder]: 3/66 cut-off events. [2021-06-11 07:05:00,295 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-06-11 07:05:00,304 INFO L84 FinitePrefix]: Finished finitePrefix Result has 74 conditions, 66 events. 3/66 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 104 event pairs, 0 based on Foata normal form. 0/60 useless extension candidates. Maximal degree in co-relation 50. Up to 4 conditions per place. [2021-06-11 07:05:00,304 INFO L82 GeneralOperation]: Start removeDead. Operand has 60 places, 56 transitions, 122 flow [2021-06-11 07:05:00,316 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 59 places, 55 transitions, 118 flow [2021-06-11 07:05:00,318 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 07:05:00,333 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 59 places, 55 transitions, 118 flow [2021-06-11 07:05:00,336 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 59 places, 55 transitions, 118 flow [2021-06-11 07:05:00,338 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 59 places, 55 transitions, 118 flow [2021-06-11 07:05:00,361 INFO L129 PetriNetUnfolder]: 3/66 cut-off events. [2021-06-11 07:05:00,361 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-06-11 07:05:00,362 INFO L84 FinitePrefix]: Finished finitePrefix Result has 74 conditions, 66 events. 3/66 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 100 event pairs, 0 based on Foata normal form. 0/60 useless extension candidates. Maximal degree in co-relation 50. Up to 4 conditions per place. [2021-06-11 07:05:00,365 INFO L151 LiptonReduction]: Number of co-enabled transitions 742 [2021-06-11 07:05:00,646 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:00,665 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 07:05:00,666 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:00,667 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 07:05:00,668 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 07:05:00,707 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:00,709 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:05:00,748 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:00,749 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:05:00,876 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:00,880 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 07:05:00,881 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:00,882 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 07:05:00,884 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 07:05:00,942 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:00,944 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:05:00,986 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:00,988 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:05:01,001 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:01,003 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:05:01,017 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:01,018 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:05:01,074 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:01,083 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:05:01,109 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:01,116 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:05:01,168 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:01,169 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:05:01,180 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:01,181 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:05:01,375 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:01,383 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:05:01,494 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:01,495 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:05:01,540 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:01,541 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:05:01,622 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:01,623 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:05:01,654 INFO L142 QuantifierPusher]: treesize reduction 8, result has 33.3 percent of original size [2021-06-11 07:05:01,656 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:05:01,709 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:01,710 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:05:01,738 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:01,739 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:05:01,757 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:01,758 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:05:01,798 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:01,800 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:05:01,893 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:01,895 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:05:01,942 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:01,945 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:05:01,975 INFO L142 QuantifierPusher]: treesize reduction 2, result has 95.6 percent of original size [2021-06-11 07:05:01,984 INFO L147 QuantifierPusher]: treesize reduction 6, result has 14.3 percent of original size 1 [2021-06-11 07:05:02,125 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:02,135 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 07:05:02,136 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:02,137 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 07:05:02,137 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:02,138 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 07:05:02,138 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 07:05:02,139 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 07:05:02,139 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:02,140 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 07:05:02,141 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:02,142 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 07:05:02,142 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-11 07:05:02,143 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 07:05:02,143 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:02,144 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-11 07:05:02,145 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-06-11 07:05:02,192 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:02,194 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:05:02,276 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:02,279 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 07:05:02,280 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:02,280 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-11 07:05:02,281 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-11 07:05:02,321 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:02,323 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:05:02,570 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:02,588 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 07:05:02,590 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:02,592 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 07:05:02,594 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:02,595 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 07:05:02,596 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 07:05:02,596 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 07:05:02,597 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:02,599 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 07:05:02,599 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:02,600 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 07:05:02,602 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-11 07:05:02,602 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 07:05:02,603 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:02,604 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-11 07:05:02,604 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-06-11 07:05:02,904 WARN L205 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 80 [2021-06-11 07:05:03,164 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 80 [2021-06-11 07:05:03,250 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:03,271 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 07:05:03,271 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:03,272 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 07:05:03,273 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:03,275 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 07:05:03,275 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-06-11 07:05:03,276 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 07:05:03,277 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:03,277 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 07:05:03,278 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:03,279 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-11 07:05:03,279 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-11 07:05:03,280 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 07:05:03,284 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:03,298 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 07:05:03,313 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:03,344 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-06-11 07:05:03,347 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-06-11 07:05:03,347 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 07:05:03,353 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:03,361 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-06-11 07:05:03,367 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-11 07:05:03,656 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2021-06-11 07:05:03,737 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:03,739 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:05:03,741 INFO L163 LiptonReduction]: Checked pairs total: 620 [2021-06-11 07:05:03,742 INFO L165 LiptonReduction]: Total number of compositions: 54 [2021-06-11 07:05:03,744 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 3427 [2021-06-11 07:05:03,751 INFO L129 PetriNetUnfolder]: 0/4 cut-off events. [2021-06-11 07:05:03,751 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-06-11 07:05:03,751 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 07:05:03,751 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1] [2021-06-11 07:05:03,752 INFO L428 AbstractCegarLoop]: === Iteration 1 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2021-06-11 07:05:03,755 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 07:05:03,755 INFO L82 PathProgramCache]: Analyzing trace with hash 225716, now seen corresponding path program 1 times [2021-06-11 07:05:03,761 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 07:05:03,761 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [876633531] [2021-06-11 07:05:03,761 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 07:05:03,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 07:05:03,888 INFO L142 QuantifierPusher]: treesize reduction 5, result has 37.5 percent of original size [2021-06-11 07:05:03,888 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:05:03,896 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 07:05:03,897 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [876633531] [2021-06-11 07:05:03,897 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 07:05:03,897 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-06-11 07:05:03,898 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [943604228] [2021-06-11 07:05:03,904 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-11 07:05:03,905 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 07:05:03,922 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-11 07:05:03,924 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-11 07:05:03,926 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 77 out of 110 [2021-06-11 07:05:03,929 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 18 places, 12 transitions, 32 flow. Second operand has 3 states, 3 states have (on average 77.66666666666667) internal successors, (233), 3 states have internal predecessors, (233), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 07:05:03,929 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 07:05:03,929 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 77 of 110 [2021-06-11 07:05:03,930 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 07:05:03,954 INFO L129 PetriNetUnfolder]: 0/15 cut-off events. [2021-06-11 07:05:03,954 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-06-11 07:05:03,955 INFO L84 FinitePrefix]: Finished finitePrefix Result has 30 conditions, 15 events. 0/15 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 23 event pairs, 0 based on Foata normal form. 0/11 useless extension candidates. Maximal degree in co-relation 0. Up to 4 conditions per place. [2021-06-11 07:05:03,956 INFO L132 encePairwiseOnDemand]: 105/110 looper letters, 2 selfloop transitions, 3 changer transitions 0/12 dead transitions. [2021-06-11 07:05:03,956 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 19 places, 12 transitions, 42 flow [2021-06-11 07:05:03,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-11 07:05:03,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-06-11 07:05:03,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 239 transitions. [2021-06-11 07:05:03,966 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7242424242424242 [2021-06-11 07:05:03,967 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 239 transitions. [2021-06-11 07:05:03,967 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 239 transitions. [2021-06-11 07:05:03,968 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 07:05:03,969 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 239 transitions. [2021-06-11 07:05:03,972 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 79.66666666666667) internal successors, (239), 3 states have internal predecessors, (239), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 07:05:03,977 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 110.0) internal successors, (440), 4 states have internal predecessors, (440), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 07:05:03,978 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 110.0) internal successors, (440), 4 states have internal predecessors, (440), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 07:05:03,979 INFO L185 Difference]: Start difference. First operand has 18 places, 12 transitions, 32 flow. Second operand 3 states and 239 transitions. [2021-06-11 07:05:03,980 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 19 places, 12 transitions, 42 flow [2021-06-11 07:05:03,981 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 18 places, 12 transitions, 41 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-06-11 07:05:03,982 INFO L241 Difference]: Finished difference. Result has 20 places, 12 transitions, 47 flow [2021-06-11 07:05:03,984 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=110, PETRI_DIFFERENCE_MINUEND_FLOW=29, PETRI_DIFFERENCE_MINUEND_PLACES=16, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=11, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=8, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=47, PETRI_PLACES=20, PETRI_TRANSITIONS=12} [2021-06-11 07:05:03,984 INFO L343 CegarLoopForPetriNet]: 18 programPoint places, 2 predicate places. [2021-06-11 07:05:03,985 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 07:05:03,985 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 20 places, 12 transitions, 47 flow [2021-06-11 07:05:03,985 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 20 places, 12 transitions, 47 flow [2021-06-11 07:05:03,985 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 20 places, 12 transitions, 47 flow [2021-06-11 07:05:03,988 INFO L129 PetriNetUnfolder]: 0/15 cut-off events. [2021-06-11 07:05:03,988 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2021-06-11 07:05:03,988 INFO L84 FinitePrefix]: Finished finitePrefix Result has 34 conditions, 15 events. 0/15 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 21 event pairs, 0 based on Foata normal form. 0/12 useless extension candidates. Maximal degree in co-relation 0. Up to 4 conditions per place. [2021-06-11 07:05:03,988 INFO L151 LiptonReduction]: Number of co-enabled transitions 36 [2021-06-11 07:05:03,989 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 07:05:03,989 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 07:05:03,989 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 4 [2021-06-11 07:05:03,990 INFO L480 AbstractCegarLoop]: Abstraction has has 20 places, 12 transitions, 47 flow [2021-06-11 07:05:03,990 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 77.66666666666667) internal successors, (233), 3 states have internal predecessors, (233), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 07:05:03,990 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 07:05:03,991 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2021-06-11 07:05:03,991 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-06-11 07:05:03,991 INFO L428 AbstractCegarLoop]: === Iteration 2 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2021-06-11 07:05:03,991 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 07:05:03,991 INFO L82 PathProgramCache]: Analyzing trace with hash -2026779057, now seen corresponding path program 1 times [2021-06-11 07:05:03,992 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 07:05:03,992 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1939844738] [2021-06-11 07:05:03,992 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 07:05:04,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-06-11 07:05:04,018 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-06-11 07:05:04,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-06-11 07:05:04,035 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-06-11 07:05:04,052 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-06-11 07:05:04,053 INFO L634 BasicCegarLoop]: Counterexample might be feasible [2021-06-11 07:05:04,053 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-06-11 07:05:04,054 WARN L342 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2021-06-11 07:05:04,054 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2021-06-11 07:05:04,068 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:04,069 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:04,069 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:04,069 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:04,069 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:04,069 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:04,069 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:04,069 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:04,070 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:04,070 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:04,070 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:04,070 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:04,070 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:04,070 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:04,070 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:04,070 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:04,070 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:04,070 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:04,071 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:04,071 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:04,071 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:04,071 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:04,071 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:04,071 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:04,071 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:04,071 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:04,071 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:04,071 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:04,071 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:04,072 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:04,072 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:04,072 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:04,072 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:04,072 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:04,072 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:04,072 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:04,073 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:04,073 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:04,073 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:04,073 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:04,073 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:04,073 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:04,073 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:04,073 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:04,073 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:04,073 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:04,073 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:04,074 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:04,074 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:04,074 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:04,074 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:04,074 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:04,074 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:04,074 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:04,074 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:04,074 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:04,074 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:04,074 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:04,075 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:04,075 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:04,075 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:04,075 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:04,075 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:04,075 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:04,075 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:04,075 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:04,075 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:04,076 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:04,076 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:04,076 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:04,076 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:04,076 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:04,076 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:04,076 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:04,076 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:04,076 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:04,076 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:04,076 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:04,077 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:04,077 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:04,077 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:04,077 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:04,077 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:04,077 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:04,077 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:04,078 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:04,078 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:04,078 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:04,078 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:04,081 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:04,081 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:04,081 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:04,082 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:04,082 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:04,083 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:04,083 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:04,083 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:04,083 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:04,083 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:04,084 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:04,085 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:04,085 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:04,085 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:04,085 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:04,085 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:04,085 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:04,087 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-06-11 07:05:04,087 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2021-06-11 07:05:04,088 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-06-11 07:05:04,088 INFO L377 AbstractCegarLoop]: Hoare is false [2021-06-11 07:05:04,089 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-11 07:05:04,089 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-11 07:05:04,089 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-11 07:05:04,089 INFO L381 AbstractCegarLoop]: Difference is false [2021-06-11 07:05:04,089 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-11 07:05:04,089 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-06-11 07:05:04,090 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 82 places, 75 transitions, 174 flow [2021-06-11 07:05:04,101 INFO L129 PetriNetUnfolder]: 4/88 cut-off events. [2021-06-11 07:05:04,102 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2021-06-11 07:05:04,102 INFO L84 FinitePrefix]: Finished finitePrefix Result has 102 conditions, 88 events. 4/88 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 142 event pairs, 0 based on Foata normal form. 0/80 useless extension candidates. Maximal degree in co-relation 97. Up to 6 conditions per place. [2021-06-11 07:05:04,102 INFO L82 GeneralOperation]: Start removeDead. Operand has 82 places, 75 transitions, 174 flow [2021-06-11 07:05:04,103 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 68 places, 62 transitions, 139 flow [2021-06-11 07:05:04,103 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 07:05:04,103 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 68 places, 62 transitions, 139 flow [2021-06-11 07:05:04,104 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 68 places, 62 transitions, 139 flow [2021-06-11 07:05:04,104 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 68 places, 62 transitions, 139 flow [2021-06-11 07:05:04,115 INFO L129 PetriNetUnfolder]: 4/88 cut-off events. [2021-06-11 07:05:04,116 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2021-06-11 07:05:04,118 INFO L84 FinitePrefix]: Finished finitePrefix Result has 101 conditions, 88 events. 4/88 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 149 event pairs, 0 based on Foata normal form. 0/80 useless extension candidates. Maximal degree in co-relation 76. Up to 6 conditions per place. [2021-06-11 07:05:04,120 INFO L151 LiptonReduction]: Number of co-enabled transitions 1172 [2021-06-11 07:05:04,257 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:04,271 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 07:05:04,272 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:04,272 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 07:05:04,273 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 07:05:04,366 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:04,368 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:05:04,380 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:04,381 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:05:04,449 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:04,451 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:05:04,463 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:04,465 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:05:04,574 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:04,578 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 07:05:04,579 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:04,579 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 07:05:04,580 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 07:05:04,603 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:04,604 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:05:04,616 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:04,618 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:05:04,642 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:04,643 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:05:04,652 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:04,654 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:05:04,691 INFO L142 QuantifierPusher]: treesize reduction 1, result has 94.1 percent of original size [2021-06-11 07:05:04,693 INFO L147 QuantifierPusher]: treesize reduction 6, result has 14.3 percent of original size 1 [2021-06-11 07:05:04,713 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:04,728 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:05:04,734 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:04,735 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:05:04,742 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:04,743 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:05:04,845 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:04,846 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:05:04,916 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:04,920 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:05:04,996 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:04,997 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 07:05:04,998 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:04,999 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 07:05:05,000 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 07:05:05,029 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:05,030 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:05:05,106 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:05,108 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:05:05,144 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:05,145 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:05:05,242 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:05,248 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 07:05:05,253 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:05,254 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 07:05:05,254 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:05,255 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 07:05:05,256 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 07:05:05,256 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 07:05:05,256 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:05,257 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 07:05:05,257 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:05,258 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 07:05:05,258 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-11 07:05:05,259 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 07:05:05,259 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:05,260 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-11 07:05:05,261 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-06-11 07:05:05,274 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:05,275 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:05:05,293 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:05,297 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:05:05,367 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:05,368 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:05:05,387 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:05,388 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:05:05,488 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:05,492 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 07:05:05,492 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:05,493 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 07:05:05,493 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 07:05:05,594 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:05,596 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:05:05,638 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:05,640 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:05:05,686 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:05,689 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:05:05,953 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:05,956 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 07:05:05,960 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:05,960 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 07:05:05,961 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-06-11 07:05:06,161 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:06,166 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 07:05:06,169 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:06,170 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 07:05:06,171 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:06,174 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 07:05:06,174 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 07:05:06,174 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 07:05:06,175 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:06,176 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 07:05:06,176 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:06,176 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 07:05:06,177 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-11 07:05:06,177 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 07:05:06,178 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:06,178 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-11 07:05:06,179 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-06-11 07:05:06,373 WARN L205 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 87 [2021-06-11 07:05:06,615 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 87 [2021-06-11 07:05:06,696 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:06,701 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 07:05:06,710 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:06,711 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 07:05:06,711 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:06,712 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 07:05:06,713 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 07:05:06,713 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 07:05:06,714 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:06,714 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 07:05:06,715 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:06,716 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 07:05:06,716 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-11 07:05:06,716 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 07:05:06,718 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:06,718 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-11 07:05:06,719 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-06-11 07:05:06,727 INFO L163 LiptonReduction]: Checked pairs total: 1170 [2021-06-11 07:05:06,728 INFO L165 LiptonReduction]: Total number of compositions: 56 [2021-06-11 07:05:06,728 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2625 [2021-06-11 07:05:06,730 INFO L129 PetriNetUnfolder]: 0/2 cut-off events. [2021-06-11 07:05:06,730 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-06-11 07:05:06,730 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 07:05:06,730 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1] [2021-06-11 07:05:06,730 INFO L428 AbstractCegarLoop]: === Iteration 1 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-11 07:05:06,730 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 07:05:06,730 INFO L82 PathProgramCache]: Analyzing trace with hash 374572, now seen corresponding path program 1 times [2021-06-11 07:05:06,731 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 07:05:06,731 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1521208337] [2021-06-11 07:05:06,731 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 07:05:06,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 07:05:06,763 INFO L142 QuantifierPusher]: treesize reduction 5, result has 37.5 percent of original size [2021-06-11 07:05:06,763 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:05:06,766 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 07:05:06,766 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1521208337] [2021-06-11 07:05:06,766 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 07:05:06,766 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-06-11 07:05:06,766 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [924002563] [2021-06-11 07:05:06,767 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-11 07:05:06,767 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 07:05:06,767 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-11 07:05:06,767 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-11 07:05:06,768 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 91 out of 131 [2021-06-11 07:05:06,769 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 24 places, 16 transitions, 47 flow. Second operand has 3 states, 3 states have (on average 91.66666666666667) internal successors, (275), 3 states have internal predecessors, (275), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 07:05:06,769 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 07:05:06,769 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 91 of 131 [2021-06-11 07:05:06,769 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 07:05:06,788 INFO L129 PetriNetUnfolder]: 19/60 cut-off events. [2021-06-11 07:05:06,788 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2021-06-11 07:05:06,788 INFO L84 FinitePrefix]: Finished finitePrefix Result has 121 conditions, 60 events. 19/60 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 183 event pairs, 8 based on Foata normal form. 0/47 useless extension candidates. Maximal degree in co-relation 111. Up to 28 conditions per place. [2021-06-11 07:05:06,789 INFO L132 encePairwiseOnDemand]: 125/131 looper letters, 8 selfloop transitions, 4 changer transitions 0/20 dead transitions. [2021-06-11 07:05:06,789 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 25 places, 20 transitions, 79 flow [2021-06-11 07:05:06,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-11 07:05:06,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-06-11 07:05:06,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 288 transitions. [2021-06-11 07:05:06,791 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.732824427480916 [2021-06-11 07:05:06,792 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 288 transitions. [2021-06-11 07:05:06,792 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 288 transitions. [2021-06-11 07:05:06,792 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 07:05:06,792 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 288 transitions. [2021-06-11 07:05:06,794 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 96.0) internal successors, (288), 3 states have internal predecessors, (288), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 07:05:06,795 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 131.0) internal successors, (524), 4 states have internal predecessors, (524), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 07:05:06,795 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 131.0) internal successors, (524), 4 states have internal predecessors, (524), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 07:05:06,795 INFO L185 Difference]: Start difference. First operand has 24 places, 16 transitions, 47 flow. Second operand 3 states and 288 transitions. [2021-06-11 07:05:06,795 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 25 places, 20 transitions, 79 flow [2021-06-11 07:05:06,796 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 24 places, 20 transitions, 76 flow, removed 1 selfloop flow, removed 1 redundant places. [2021-06-11 07:05:06,797 INFO L241 Difference]: Finished difference. Result has 26 places, 18 transitions, 72 flow [2021-06-11 07:05:06,797 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=131, PETRI_DIFFERENCE_MINUEND_FLOW=42, PETRI_DIFFERENCE_MINUEND_PLACES=22, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=15, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=11, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=72, PETRI_PLACES=26, PETRI_TRANSITIONS=18} [2021-06-11 07:05:06,797 INFO L343 CegarLoopForPetriNet]: 24 programPoint places, 2 predicate places. [2021-06-11 07:05:06,797 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 07:05:06,797 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 26 places, 18 transitions, 72 flow [2021-06-11 07:05:06,798 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 26 places, 18 transitions, 72 flow [2021-06-11 07:05:06,798 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 26 places, 18 transitions, 72 flow [2021-06-11 07:05:06,802 INFO L129 PetriNetUnfolder]: 6/35 cut-off events. [2021-06-11 07:05:06,802 INFO L130 PetriNetUnfolder]: For 7/10 co-relation queries the response was YES. [2021-06-11 07:05:06,802 INFO L84 FinitePrefix]: Finished finitePrefix Result has 78 conditions, 35 events. 6/35 cut-off events. For 7/10 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 89 event pairs, 2 based on Foata normal form. 0/27 useless extension candidates. Maximal degree in co-relation 67. Up to 16 conditions per place. [2021-06-11 07:05:06,804 INFO L151 LiptonReduction]: Number of co-enabled transitions 104 [2021-06-11 07:05:06,805 INFO L163 LiptonReduction]: Checked pairs total: 38 [2021-06-11 07:05:06,805 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 07:05:06,806 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 9 [2021-06-11 07:05:06,806 INFO L480 AbstractCegarLoop]: Abstraction has has 26 places, 18 transitions, 72 flow [2021-06-11 07:05:06,806 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 91.66666666666667) internal successors, (275), 3 states have internal predecessors, (275), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 07:05:06,806 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 07:05:06,806 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 07:05:06,807 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-06-11 07:05:06,807 INFO L428 AbstractCegarLoop]: === Iteration 2 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-11 07:05:06,807 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 07:05:06,807 INFO L82 PathProgramCache]: Analyzing trace with hash -1482358348, now seen corresponding path program 1 times [2021-06-11 07:05:06,807 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 07:05:06,807 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1199160436] [2021-06-11 07:05:06,807 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 07:05:06,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 07:05:06,868 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:06,869 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:05:06,877 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:06,878 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:05:06,882 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:06,882 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:05:06,886 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 07:05:06,887 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1199160436] [2021-06-11 07:05:06,887 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 07:05:06,887 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-06-11 07:05:06,887 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1435960199] [2021-06-11 07:05:06,887 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-06-11 07:05:06,887 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 07:05:06,888 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-06-11 07:05:06,888 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-06-11 07:05:06,889 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 88 out of 131 [2021-06-11 07:05:06,890 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 26 places, 18 transitions, 72 flow. Second operand has 5 states, 5 states have (on average 89.0) internal successors, (445), 5 states have internal predecessors, (445), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 07:05:06,890 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 07:05:06,890 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 88 of 131 [2021-06-11 07:05:06,890 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 07:05:06,936 INFO L129 PetriNetUnfolder]: 15/67 cut-off events. [2021-06-11 07:05:06,937 INFO L130 PetriNetUnfolder]: For 27/27 co-relation queries the response was YES. [2021-06-11 07:05:06,937 INFO L84 FinitePrefix]: Finished finitePrefix Result has 196 conditions, 67 events. 15/67 cut-off events. For 27/27 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 241 event pairs, 5 based on Foata normal form. 3/63 useless extension candidates. Maximal degree in co-relation 183. Up to 25 conditions per place. [2021-06-11 07:05:06,937 INFO L132 encePairwiseOnDemand]: 126/131 looper letters, 14 selfloop transitions, 9 changer transitions 0/30 dead transitions. [2021-06-11 07:05:06,938 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 31 places, 30 transitions, 172 flow [2021-06-11 07:05:06,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-11 07:05:06,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-06-11 07:05:06,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 549 transitions. [2021-06-11 07:05:06,941 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6984732824427481 [2021-06-11 07:05:06,942 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 549 transitions. [2021-06-11 07:05:06,942 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 549 transitions. [2021-06-11 07:05:06,942 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 07:05:06,942 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 549 transitions. [2021-06-11 07:05:06,944 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 91.5) internal successors, (549), 6 states have internal predecessors, (549), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 07:05:06,946 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 131.0) internal successors, (917), 7 states have internal predecessors, (917), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 07:05:06,947 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 131.0) internal successors, (917), 7 states have internal predecessors, (917), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 07:05:06,947 INFO L185 Difference]: Start difference. First operand has 26 places, 18 transitions, 72 flow. Second operand 6 states and 549 transitions. [2021-06-11 07:05:06,947 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 31 places, 30 transitions, 172 flow [2021-06-11 07:05:06,948 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 29 places, 30 transitions, 152 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-06-11 07:05:06,949 INFO L241 Difference]: Finished difference. Result has 32 places, 24 transitions, 125 flow [2021-06-11 07:05:06,949 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=131, PETRI_DIFFERENCE_MINUEND_FLOW=64, PETRI_DIFFERENCE_MINUEND_PLACES=24, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=18, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=12, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=125, PETRI_PLACES=32, PETRI_TRANSITIONS=24} [2021-06-11 07:05:06,949 INFO L343 CegarLoopForPetriNet]: 24 programPoint places, 8 predicate places. [2021-06-11 07:05:06,949 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 07:05:06,950 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 32 places, 24 transitions, 125 flow [2021-06-11 07:05:06,950 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 32 places, 24 transitions, 125 flow [2021-06-11 07:05:06,950 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 32 places, 24 transitions, 125 flow [2021-06-11 07:05:06,955 INFO L129 PetriNetUnfolder]: 4/46 cut-off events. [2021-06-11 07:05:06,955 INFO L130 PetriNetUnfolder]: For 36/45 co-relation queries the response was YES. [2021-06-11 07:05:06,955 INFO L84 FinitePrefix]: Finished finitePrefix Result has 126 conditions, 46 events. 4/46 cut-off events. For 36/45 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 160 event pairs, 1 based on Foata normal form. 0/39 useless extension candidates. Maximal degree in co-relation 112. Up to 22 conditions per place. [2021-06-11 07:05:06,956 INFO L151 LiptonReduction]: Number of co-enabled transitions 146 [2021-06-11 07:05:06,957 INFO L163 LiptonReduction]: Checked pairs total: 32 [2021-06-11 07:05:06,957 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 07:05:06,958 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 9 [2021-06-11 07:05:06,958 INFO L480 AbstractCegarLoop]: Abstraction has has 32 places, 24 transitions, 125 flow [2021-06-11 07:05:06,959 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 89.0) internal successors, (445), 5 states have internal predecessors, (445), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 07:05:06,959 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 07:05:06,959 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1] [2021-06-11 07:05:06,959 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-06-11 07:05:06,959 INFO L428 AbstractCegarLoop]: === Iteration 3 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-11 07:05:06,959 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 07:05:06,959 INFO L82 PathProgramCache]: Analyzing trace with hash 1381868389, now seen corresponding path program 1 times [2021-06-11 07:05:06,960 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 07:05:06,960 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1115684747] [2021-06-11 07:05:06,960 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 07:05:06,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-06-11 07:05:06,975 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-06-11 07:05:06,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-06-11 07:05:06,991 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-06-11 07:05:06,996 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-06-11 07:05:06,996 INFO L634 BasicCegarLoop]: Counterexample might be feasible [2021-06-11 07:05:06,997 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-06-11 07:05:06,997 WARN L342 ceAbstractionStarter]: 2 thread instances were not sufficient, I will increase this number and restart the analysis [2021-06-11 07:05:06,998 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 3 thread instances. [2021-06-11 07:05:07,009 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:07,009 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:07,009 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:07,010 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:07,010 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:07,010 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:07,010 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:07,010 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:07,010 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:07,010 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:07,010 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:07,010 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:07,010 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:07,011 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:07,011 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:07,011 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:07,011 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:07,011 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:07,011 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:07,011 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:07,011 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:07,011 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:07,011 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:07,012 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:07,012 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:07,012 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:07,012 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:07,012 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:07,012 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:07,012 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:07,012 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:07,012 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:07,012 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:07,012 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:07,013 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:07,013 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:07,013 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:07,013 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:07,013 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:07,013 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:07,013 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:07,013 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:07,013 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:07,013 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:07,013 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:07,014 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:07,014 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:07,014 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:07,014 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:07,014 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:07,014 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:07,014 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:07,014 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:07,014 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:07,014 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:07,015 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:07,015 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:07,015 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:07,015 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:07,015 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:07,015 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:07,015 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:07,015 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:07,015 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:07,015 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:07,015 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:07,015 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:07,016 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:07,016 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:07,016 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:07,016 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:07,016 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:07,016 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:07,016 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:07,016 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:07,016 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:07,016 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:07,016 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:07,017 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:07,017 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:07,017 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:07,017 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:07,017 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:07,017 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:07,017 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:07,017 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:07,017 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:07,017 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:07,017 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:07,018 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:07,018 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:07,018 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:07,018 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:07,018 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:07,018 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:07,018 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:07,018 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:07,018 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:07,018 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:07,018 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:07,018 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:07,019 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:07,019 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:07,019 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:07,019 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:07,019 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:07,019 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:07,019 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:07,019 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:07,019 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:07,019 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:07,019 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:07,019 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:07,020 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:07,020 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:07,020 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:07,020 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:07,020 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:07,020 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:07,020 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:07,020 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:07,020 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:07,020 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:07,020 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:07,021 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:07,021 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:07,021 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:07,021 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:07,021 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:07,021 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:07,021 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:07,022 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:07,023 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:07,023 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:07,023 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:07,023 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:07,024 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:07,024 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:07,024 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:07,024 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:07,024 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:07,025 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:07,025 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:07,025 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:07,025 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:07,025 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:07,025 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:07,026 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:07,026 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:07,027 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:07,027 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:07,027 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:07,027 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:07,028 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:07,028 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:07,028 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:07,028 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:07,028 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:07,028 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:07,029 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-06-11 07:05:07,029 INFO L253 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2021-06-11 07:05:07,030 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-06-11 07:05:07,030 INFO L377 AbstractCegarLoop]: Hoare is false [2021-06-11 07:05:07,030 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-11 07:05:07,030 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-11 07:05:07,030 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-11 07:05:07,030 INFO L381 AbstractCegarLoop]: Difference is false [2021-06-11 07:05:07,030 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-11 07:05:07,031 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-06-11 07:05:07,032 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 104 places, 94 transitions, 230 flow [2021-06-11 07:05:07,042 INFO L129 PetriNetUnfolder]: 5/110 cut-off events. [2021-06-11 07:05:07,042 INFO L130 PetriNetUnfolder]: For 7/7 co-relation queries the response was YES. [2021-06-11 07:05:07,043 INFO L84 FinitePrefix]: Finished finitePrefix Result has 131 conditions, 110 events. 5/110 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 195 event pairs, 0 based on Foata normal form. 0/100 useless extension candidates. Maximal degree in co-relation 124. Up to 8 conditions per place. [2021-06-11 07:05:07,043 INFO L82 GeneralOperation]: Start removeDead. Operand has 104 places, 94 transitions, 230 flow [2021-06-11 07:05:07,044 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 77 places, 69 transitions, 162 flow [2021-06-11 07:05:07,044 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 07:05:07,044 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 77 places, 69 transitions, 162 flow [2021-06-11 07:05:07,044 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 77 places, 69 transitions, 162 flow [2021-06-11 07:05:07,045 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 77 places, 69 transitions, 162 flow [2021-06-11 07:05:07,053 INFO L129 PetriNetUnfolder]: 5/110 cut-off events. [2021-06-11 07:05:07,053 INFO L130 PetriNetUnfolder]: For 7/7 co-relation queries the response was YES. [2021-06-11 07:05:07,054 INFO L84 FinitePrefix]: Finished finitePrefix Result has 129 conditions, 110 events. 5/110 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 177 event pairs, 0 based on Foata normal form. 0/100 useless extension candidates. Maximal degree in co-relation 103. Up to 8 conditions per place. [2021-06-11 07:05:07,055 INFO L151 LiptonReduction]: Number of co-enabled transitions 1686 [2021-06-11 07:05:07,134 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:07,136 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 07:05:07,137 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:07,137 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 07:05:07,138 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 07:05:07,151 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:07,152 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:05:07,171 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:07,172 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:05:07,247 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:07,249 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 07:05:07,252 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:07,253 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 07:05:07,253 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 07:05:07,298 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:07,299 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:05:07,304 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:07,304 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:05:07,315 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:07,317 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:05:07,339 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:07,341 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:05:07,359 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:07,360 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:05:07,379 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:07,392 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:05:07,414 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:07,416 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:05:07,422 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:07,423 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:05:07,441 INFO L142 QuantifierPusher]: treesize reduction 1, result has 94.1 percent of original size [2021-06-11 07:05:07,442 INFO L147 QuantifierPusher]: treesize reduction 6, result has 14.3 percent of original size 1 [2021-06-11 07:05:07,459 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:07,460 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:05:07,466 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:07,467 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:05:07,514 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:07,516 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:05:07,584 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:07,585 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:05:07,693 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:07,694 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:05:07,728 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:07,729 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:05:07,811 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:07,812 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:05:07,828 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:07,828 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:05:07,887 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:07,888 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:05:07,925 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:07,926 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:05:07,946 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:07,947 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:05:07,976 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:07,978 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:05:08,041 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:08,042 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:05:08,085 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:08,089 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:05:08,108 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:08,109 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:05:08,125 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:08,127 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:05:08,204 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:08,205 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:05:08,266 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:08,268 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 07:05:08,277 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:08,278 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-11 07:05:08,279 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-11 07:05:08,316 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:08,317 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:05:08,398 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:08,399 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:05:08,441 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:08,442 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:05:08,729 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 63 [2021-06-11 07:05:08,776 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:08,779 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 07:05:08,779 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:08,780 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 07:05:08,782 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 07:05:09,005 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 87 [2021-06-11 07:05:09,284 WARN L205 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 87 [2021-06-11 07:05:09,370 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:09,374 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 07:05:09,386 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:09,387 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 07:05:09,387 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:09,388 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 07:05:09,388 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 07:05:09,388 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 07:05:09,389 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:09,389 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 07:05:09,390 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:09,390 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 07:05:09,391 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-11 07:05:09,391 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 07:05:09,391 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:09,392 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-11 07:05:09,392 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-06-11 07:05:09,398 INFO L163 LiptonReduction]: Checked pairs total: 1891 [2021-06-11 07:05:09,398 INFO L165 LiptonReduction]: Total number of compositions: 59 [2021-06-11 07:05:09,399 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2355 [2021-06-11 07:05:09,401 INFO L129 PetriNetUnfolder]: 0/5 cut-off events. [2021-06-11 07:05:09,401 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-06-11 07:05:09,401 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 07:05:09,401 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1] [2021-06-11 07:05:09,401 INFO L428 AbstractCegarLoop]: === Iteration 1 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-11 07:05:09,401 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 07:05:09,402 INFO L82 PathProgramCache]: Analyzing trace with hash 545247, now seen corresponding path program 1 times [2021-06-11 07:05:09,402 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 07:05:09,402 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2043379118] [2021-06-11 07:05:09,402 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 07:05:09,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 07:05:09,453 INFO L142 QuantifierPusher]: treesize reduction 5, result has 37.5 percent of original size [2021-06-11 07:05:09,453 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:05:09,456 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 07:05:09,456 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2043379118] [2021-06-11 07:05:09,456 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 07:05:09,457 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-06-11 07:05:09,457 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1445522770] [2021-06-11 07:05:09,457 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-11 07:05:09,457 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 07:05:09,457 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-11 07:05:09,458 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-11 07:05:09,458 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 106 out of 153 [2021-06-11 07:05:09,459 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 29 places, 19 transitions, 62 flow. Second operand has 3 states, 3 states have (on average 106.66666666666667) internal successors, (320), 3 states have internal predecessors, (320), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 07:05:09,459 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 07:05:09,459 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 106 of 153 [2021-06-11 07:05:09,459 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 07:05:09,501 INFO L129 PetriNetUnfolder]: 123/232 cut-off events. [2021-06-11 07:05:09,501 INFO L130 PetriNetUnfolder]: For 7/7 co-relation queries the response was YES. [2021-06-11 07:05:09,502 INFO L84 FinitePrefix]: Finished finitePrefix Result has 467 conditions, 232 events. 123/232 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 31. Compared 935 event pairs, 48 based on Foata normal form. 0/192 useless extension candidates. Maximal degree in co-relation 456. Up to 149 conditions per place. [2021-06-11 07:05:09,503 INFO L132 encePairwiseOnDemand]: 146/153 looper letters, 11 selfloop transitions, 5 changer transitions 0/25 dead transitions. [2021-06-11 07:05:09,503 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 30 places, 25 transitions, 106 flow [2021-06-11 07:05:09,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-11 07:05:09,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-06-11 07:05:09,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 337 transitions. [2021-06-11 07:05:09,506 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7342047930283224 [2021-06-11 07:05:09,506 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 337 transitions. [2021-06-11 07:05:09,506 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 337 transitions. [2021-06-11 07:05:09,506 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 07:05:09,507 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 337 transitions. [2021-06-11 07:05:09,507 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 112.33333333333333) internal successors, (337), 3 states have internal predecessors, (337), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 07:05:09,508 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 153.0) internal successors, (612), 4 states have internal predecessors, (612), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 07:05:09,509 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 153.0) internal successors, (612), 4 states have internal predecessors, (612), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 07:05:09,509 INFO L185 Difference]: Start difference. First operand has 29 places, 19 transitions, 62 flow. Second operand 3 states and 337 transitions. [2021-06-11 07:05:09,509 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 30 places, 25 transitions, 106 flow [2021-06-11 07:05:09,509 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 29 places, 25 transitions, 99 flow, removed 3 selfloop flow, removed 1 redundant places. [2021-06-11 07:05:09,510 INFO L241 Difference]: Finished difference. Result has 31 places, 22 transitions, 91 flow [2021-06-11 07:05:09,510 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=153, PETRI_DIFFERENCE_MINUEND_FLOW=53, PETRI_DIFFERENCE_MINUEND_PLACES=27, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=18, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=13, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=91, PETRI_PLACES=31, PETRI_TRANSITIONS=22} [2021-06-11 07:05:09,510 INFO L343 CegarLoopForPetriNet]: 29 programPoint places, 2 predicate places. [2021-06-11 07:05:09,511 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 07:05:09,511 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 31 places, 22 transitions, 91 flow [2021-06-11 07:05:09,511 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 31 places, 22 transitions, 91 flow [2021-06-11 07:05:09,511 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 31 places, 22 transitions, 91 flow [2021-06-11 07:05:09,519 INFO L129 PetriNetUnfolder]: 28/78 cut-off events. [2021-06-11 07:05:09,519 INFO L130 PetriNetUnfolder]: For 15/26 co-relation queries the response was YES. [2021-06-11 07:05:09,519 INFO L84 FinitePrefix]: Finished finitePrefix Result has 176 conditions, 78 events. 28/78 cut-off events. For 15/26 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 276 event pairs, 11 based on Foata normal form. 0/61 useless extension candidates. Maximal degree in co-relation 164. Up to 50 conditions per place. [2021-06-11 07:05:09,520 INFO L151 LiptonReduction]: Number of co-enabled transitions 176 [2021-06-11 07:05:09,525 INFO L163 LiptonReduction]: Checked pairs total: 84 [2021-06-11 07:05:09,526 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 07:05:09,526 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 15 [2021-06-11 07:05:09,526 INFO L480 AbstractCegarLoop]: Abstraction has has 31 places, 22 transitions, 91 flow [2021-06-11 07:05:09,527 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 106.66666666666667) internal successors, (320), 3 states have internal predecessors, (320), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 07:05:09,527 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 07:05:09,527 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 07:05:09,527 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-06-11 07:05:09,527 INFO L428 AbstractCegarLoop]: === Iteration 2 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-11 07:05:09,528 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 07:05:09,528 INFO L82 PathProgramCache]: Analyzing trace with hash 1320042146, now seen corresponding path program 1 times [2021-06-11 07:05:09,528 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 07:05:09,528 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [718893776] [2021-06-11 07:05:09,528 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 07:05:09,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 07:05:09,550 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:09,550 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:05:09,553 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:09,554 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:05:09,558 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:09,558 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:05:09,563 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 07:05:09,563 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [718893776] [2021-06-11 07:05:09,563 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 07:05:09,563 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-06-11 07:05:09,564 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1325063879] [2021-06-11 07:05:09,564 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-06-11 07:05:09,564 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 07:05:09,564 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-06-11 07:05:09,565 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-06-11 07:05:09,565 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 103 out of 153 [2021-06-11 07:05:09,566 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 31 places, 22 transitions, 91 flow. Second operand has 5 states, 5 states have (on average 104.0) internal successors, (520), 5 states have internal predecessors, (520), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 07:05:09,566 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 07:05:09,566 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 103 of 153 [2021-06-11 07:05:09,566 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 07:05:09,653 INFO L129 PetriNetUnfolder]: 149/315 cut-off events. [2021-06-11 07:05:09,653 INFO L130 PetriNetUnfolder]: For 99/99 co-relation queries the response was YES. [2021-06-11 07:05:09,654 INFO L84 FinitePrefix]: Finished finitePrefix Result has 912 conditions, 315 events. 149/315 cut-off events. For 99/99 co-relation queries the response was YES. Maximal size of possible extension queue 46. Compared 1614 event pairs, 40 based on Foata normal form. 9/307 useless extension candidates. Maximal degree in co-relation 898. Up to 150 conditions per place. [2021-06-11 07:05:09,657 INFO L132 encePairwiseOnDemand]: 147/153 looper letters, 29 selfloop transitions, 13 changer transitions 0/50 dead transitions. [2021-06-11 07:05:09,657 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 36 places, 50 transitions, 293 flow [2021-06-11 07:05:09,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-11 07:05:09,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-06-11 07:05:09,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 653 transitions. [2021-06-11 07:05:09,659 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7113289760348583 [2021-06-11 07:05:09,660 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 653 transitions. [2021-06-11 07:05:09,660 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 653 transitions. [2021-06-11 07:05:09,660 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 07:05:09,660 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 653 transitions. [2021-06-11 07:05:09,662 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 108.83333333333333) internal successors, (653), 6 states have internal predecessors, (653), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 07:05:09,664 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 153.0) internal successors, (1071), 7 states have internal predecessors, (1071), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 07:05:09,664 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 153.0) internal successors, (1071), 7 states have internal predecessors, (1071), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 07:05:09,664 INFO L185 Difference]: Start difference. First operand has 31 places, 22 transitions, 91 flow. Second operand 6 states and 653 transitions. [2021-06-11 07:05:09,664 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 36 places, 50 transitions, 293 flow [2021-06-11 07:05:09,667 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 34 places, 50 transitions, 259 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-06-11 07:05:09,668 INFO L241 Difference]: Finished difference. Result has 37 places, 36 transitions, 200 flow [2021-06-11 07:05:09,668 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=153, PETRI_DIFFERENCE_MINUEND_FLOW=81, PETRI_DIFFERENCE_MINUEND_PLACES=29, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=22, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=14, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=200, PETRI_PLACES=37, PETRI_TRANSITIONS=36} [2021-06-11 07:05:09,668 INFO L343 CegarLoopForPetriNet]: 29 programPoint places, 8 predicate places. [2021-06-11 07:05:09,668 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 07:05:09,668 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 37 places, 36 transitions, 200 flow [2021-06-11 07:05:09,668 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 37 places, 36 transitions, 200 flow [2021-06-11 07:05:09,669 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 37 places, 36 transitions, 200 flow [2021-06-11 07:05:09,679 INFO L129 PetriNetUnfolder]: 45/134 cut-off events. [2021-06-11 07:05:09,679 INFO L130 PetriNetUnfolder]: For 130/209 co-relation queries the response was YES. [2021-06-11 07:05:09,679 INFO L84 FinitePrefix]: Finished finitePrefix Result has 393 conditions, 134 events. 45/134 cut-off events. For 130/209 co-relation queries the response was YES. Maximal size of possible extension queue 27. Compared 629 event pairs, 9 based on Foata normal form. 1/120 useless extension candidates. Maximal degree in co-relation 378. Up to 93 conditions per place. [2021-06-11 07:05:09,681 INFO L151 LiptonReduction]: Number of co-enabled transitions 322 [2021-06-11 07:05:09,683 INFO L163 LiptonReduction]: Checked pairs total: 273 [2021-06-11 07:05:09,684 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 07:05:09,684 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 16 [2021-06-11 07:05:09,684 INFO L480 AbstractCegarLoop]: Abstraction has has 37 places, 36 transitions, 200 flow [2021-06-11 07:05:09,685 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 104.0) internal successors, (520), 5 states have internal predecessors, (520), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 07:05:09,685 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 07:05:09,685 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 07:05:09,685 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-06-11 07:05:09,685 INFO L428 AbstractCegarLoop]: === Iteration 3 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-11 07:05:09,685 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 07:05:09,686 INFO L82 PathProgramCache]: Analyzing trace with hash 311157577, now seen corresponding path program 1 times [2021-06-11 07:05:09,686 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 07:05:09,686 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [94630733] [2021-06-11 07:05:09,686 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 07:05:09,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 07:05:09,707 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:09,707 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:05:09,710 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:09,710 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:05:09,713 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:09,714 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:05:09,717 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-06-11 07:05:09,717 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [94630733] [2021-06-11 07:05:09,718 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 07:05:09,718 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-06-11 07:05:09,718 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2022611354] [2021-06-11 07:05:09,718 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-06-11 07:05:09,718 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 07:05:09,718 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-06-11 07:05:09,719 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-06-11 07:05:09,719 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 104 out of 153 [2021-06-11 07:05:09,720 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 37 places, 36 transitions, 200 flow. Second operand has 5 states, 5 states have (on average 105.0) internal successors, (525), 5 states have internal predecessors, (525), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 07:05:09,720 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 07:05:09,720 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 104 of 153 [2021-06-11 07:05:09,720 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 07:05:09,814 INFO L129 PetriNetUnfolder]: 172/415 cut-off events. [2021-06-11 07:05:09,814 INFO L130 PetriNetUnfolder]: For 409/409 co-relation queries the response was YES. [2021-06-11 07:05:09,816 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1455 conditions, 415 events. 172/415 cut-off events. For 409/409 co-relation queries the response was YES. Maximal size of possible extension queue 65. Compared 2506 event pairs, 64 based on Foata normal form. 13/412 useless extension candidates. Maximal degree in co-relation 1438. Up to 208 conditions per place. [2021-06-11 07:05:09,818 INFO L132 encePairwiseOnDemand]: 147/153 looper letters, 41 selfloop transitions, 22 changer transitions 0/71 dead transitions. [2021-06-11 07:05:09,818 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 42 places, 71 transitions, 525 flow [2021-06-11 07:05:09,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-11 07:05:09,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-06-11 07:05:09,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 660 transitions. [2021-06-11 07:05:09,821 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7189542483660131 [2021-06-11 07:05:09,821 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 660 transitions. [2021-06-11 07:05:09,821 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 660 transitions. [2021-06-11 07:05:09,821 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 07:05:09,822 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 660 transitions. [2021-06-11 07:05:09,823 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 110.0) internal successors, (660), 6 states have internal predecessors, (660), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 07:05:09,825 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 153.0) internal successors, (1071), 7 states have internal predecessors, (1071), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 07:05:09,825 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 153.0) internal successors, (1071), 7 states have internal predecessors, (1071), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 07:05:09,825 INFO L185 Difference]: Start difference. First operand has 37 places, 36 transitions, 200 flow. Second operand 6 states and 660 transitions. [2021-06-11 07:05:09,825 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 42 places, 71 transitions, 525 flow [2021-06-11 07:05:09,828 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 42 places, 71 transitions, 525 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-06-11 07:05:09,829 INFO L241 Difference]: Finished difference. Result has 45 places, 52 transitions, 409 flow [2021-06-11 07:05:09,829 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=153, PETRI_DIFFERENCE_MINUEND_FLOW=200, PETRI_DIFFERENCE_MINUEND_PLACES=37, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=36, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=17, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=409, PETRI_PLACES=45, PETRI_TRANSITIONS=52} [2021-06-11 07:05:09,829 INFO L343 CegarLoopForPetriNet]: 29 programPoint places, 16 predicate places. [2021-06-11 07:05:09,829 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 07:05:09,830 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 45 places, 52 transitions, 409 flow [2021-06-11 07:05:09,830 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 45 places, 52 transitions, 409 flow [2021-06-11 07:05:09,830 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 45 places, 52 transitions, 409 flow [2021-06-11 07:05:09,849 INFO L129 PetriNetUnfolder]: 62/218 cut-off events. [2021-06-11 07:05:09,849 INFO L130 PetriNetUnfolder]: For 578/766 co-relation queries the response was YES. [2021-06-11 07:05:09,850 INFO L84 FinitePrefix]: Finished finitePrefix Result has 845 conditions, 218 events. 62/218 cut-off events. For 578/766 co-relation queries the response was YES. Maximal size of possible extension queue 44. Compared 1347 event pairs, 10 based on Foata normal form. 3/201 useless extension candidates. Maximal degree in co-relation 825. Up to 153 conditions per place. [2021-06-11 07:05:09,852 INFO L151 LiptonReduction]: Number of co-enabled transitions 464 [2021-06-11 07:05:09,858 INFO L163 LiptonReduction]: Checked pairs total: 276 [2021-06-11 07:05:09,858 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 07:05:09,858 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 29 [2021-06-11 07:05:09,859 INFO L480 AbstractCegarLoop]: Abstraction has has 45 places, 52 transitions, 409 flow [2021-06-11 07:05:09,859 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 105.0) internal successors, (525), 5 states have internal predecessors, (525), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 07:05:09,859 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 07:05:09,859 INFO L263 CegarLoopForPetriNet]: trace histogram [3, 3, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 07:05:09,860 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-06-11 07:05:09,860 INFO L428 AbstractCegarLoop]: === Iteration 4 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-11 07:05:09,860 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 07:05:09,860 INFO L82 PathProgramCache]: Analyzing trace with hash -1635655632, now seen corresponding path program 1 times [2021-06-11 07:05:09,860 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 07:05:09,860 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1499644774] [2021-06-11 07:05:09,860 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 07:05:09,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-06-11 07:05:09,871 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-06-11 07:05:09,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-06-11 07:05:09,880 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-06-11 07:05:09,884 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-06-11 07:05:09,885 INFO L634 BasicCegarLoop]: Counterexample might be feasible [2021-06-11 07:05:09,885 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-06-11 07:05:09,885 WARN L342 ceAbstractionStarter]: 3 thread instances were not sufficient, I will increase this number and restart the analysis [2021-06-11 07:05:09,885 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 4 thread instances. [2021-06-11 07:05:09,900 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:09,900 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:09,900 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:09,900 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:09,900 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:09,900 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:09,900 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:09,900 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:09,901 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:09,901 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:09,901 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:09,901 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:09,901 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:09,901 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:09,901 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:09,901 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:09,901 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:09,901 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:09,901 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:09,901 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:09,902 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:09,902 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:09,902 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:09,902 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:09,902 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:09,902 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:09,902 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:09,902 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:09,902 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:09,902 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:09,902 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:09,902 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:09,902 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:09,902 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:09,903 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:09,903 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:09,903 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:09,903 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:09,903 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:09,903 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:09,903 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:09,903 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:09,903 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:09,903 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:09,903 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:09,903 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:09,903 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:09,904 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:09,904 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:09,904 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:09,904 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:09,904 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:09,904 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:09,904 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:09,904 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:09,904 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:09,904 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:09,904 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:09,904 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:09,904 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:09,904 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:09,905 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:09,905 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:09,905 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:09,905 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:09,905 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:09,905 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:09,905 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:09,905 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:09,905 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:09,905 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:09,905 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:09,906 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:09,906 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:09,906 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:09,906 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:09,906 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:09,906 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:09,906 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:09,906 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:09,906 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:09,906 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:09,906 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:09,906 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:09,907 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:09,907 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:09,907 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:09,907 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:09,907 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:09,907 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:09,907 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:09,907 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:09,907 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:09,907 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:09,907 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:09,908 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:09,908 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:09,908 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:09,908 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:09,908 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:09,908 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:09,908 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:09,908 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:09,908 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:09,908 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:09,908 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:09,909 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:09,909 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:09,909 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:09,909 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:09,909 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:09,909 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:09,909 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:09,909 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:09,909 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:09,909 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:09,909 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:09,909 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:09,910 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:09,910 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:09,910 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:09,910 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:09,910 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:09,910 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:09,910 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:09,911 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:09,911 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:09,911 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:09,911 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:09,911 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:09,911 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:09,911 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:09,911 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:09,911 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:09,911 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:09,911 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:09,912 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:09,912 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:09,912 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:09,912 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:09,912 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:09,912 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:09,912 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:09,912 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:09,912 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:09,913 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:09,913 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:09,913 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:09,913 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:09,913 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:09,913 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:09,913 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:09,913 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:09,913 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:09,913 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:09,913 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:09,913 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:09,913 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:09,913 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:09,913 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:09,914 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:09,914 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:09,914 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:09,914 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:09,914 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:09,914 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:09,914 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:09,914 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:09,914 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:09,915 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:09,915 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:09,915 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:09,915 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:09,916 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:09,916 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:09,916 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:09,916 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:09,916 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:09,917 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:09,917 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:09,917 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:09,918 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:09,918 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:09,918 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:09,918 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:09,919 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:09,919 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:09,919 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:09,920 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:09,920 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:09,920 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:09,920 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:09,920 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:09,920 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:09,921 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:09,921 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:09,921 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:09,921 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:09,921 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:09,921 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:09,922 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:09,922 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:09,922 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:09,922 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:09,922 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:09,922 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:09,923 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:09,923 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:09,923 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:09,923 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:09,924 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:09,924 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:09,924 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-06-11 07:05:09,925 INFO L253 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2021-06-11 07:05:09,925 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-06-11 07:05:09,925 INFO L377 AbstractCegarLoop]: Hoare is false [2021-06-11 07:05:09,926 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-11 07:05:09,926 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-11 07:05:09,926 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-11 07:05:09,926 INFO L381 AbstractCegarLoop]: Difference is false [2021-06-11 07:05:09,926 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-11 07:05:09,926 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-06-11 07:05:09,927 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 126 places, 113 transitions, 290 flow [2021-06-11 07:05:09,937 INFO L129 PetriNetUnfolder]: 6/132 cut-off events. [2021-06-11 07:05:09,938 INFO L130 PetriNetUnfolder]: For 16/16 co-relation queries the response was YES. [2021-06-11 07:05:09,938 INFO L84 FinitePrefix]: Finished finitePrefix Result has 161 conditions, 132 events. 6/132 cut-off events. For 16/16 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 218 event pairs, 0 based on Foata normal form. 0/120 useless extension candidates. Maximal degree in co-relation 152. Up to 10 conditions per place. [2021-06-11 07:05:09,938 INFO L82 GeneralOperation]: Start removeDead. Operand has 126 places, 113 transitions, 290 flow [2021-06-11 07:05:09,939 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 86 places, 76 transitions, 187 flow [2021-06-11 07:05:09,939 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 07:05:09,939 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 86 places, 76 transitions, 187 flow [2021-06-11 07:05:09,940 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 86 places, 76 transitions, 187 flow [2021-06-11 07:05:09,940 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 86 places, 76 transitions, 187 flow [2021-06-11 07:05:09,949 INFO L129 PetriNetUnfolder]: 6/132 cut-off events. [2021-06-11 07:05:09,949 INFO L130 PetriNetUnfolder]: For 16/16 co-relation queries the response was YES. [2021-06-11 07:05:09,950 INFO L84 FinitePrefix]: Finished finitePrefix Result has 158 conditions, 132 events. 6/132 cut-off events. For 16/16 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 242 event pairs, 0 based on Foata normal form. 0/120 useless extension candidates. Maximal degree in co-relation 131. Up to 10 conditions per place. [2021-06-11 07:05:09,952 INFO L151 LiptonReduction]: Number of co-enabled transitions 2284 [2021-06-11 07:05:10,033 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:10,035 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 07:05:10,035 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:10,036 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 07:05:10,036 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 07:05:10,053 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:10,054 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:05:10,061 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:10,061 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:05:10,080 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:10,081 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:05:10,099 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:10,100 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:05:10,110 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:10,111 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:05:10,130 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:10,137 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:05:10,168 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:10,188 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:05:10,228 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:10,229 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:05:10,235 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:10,236 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:05:10,242 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:10,243 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:05:10,279 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:10,280 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:05:10,334 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:10,335 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:05:10,370 INFO L142 QuantifierPusher]: treesize reduction 1, result has 94.1 percent of original size [2021-06-11 07:05:10,372 INFO L147 QuantifierPusher]: treesize reduction 6, result has 14.3 percent of original size 1 [2021-06-11 07:05:10,380 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:10,380 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:05:10,449 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:10,451 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 07:05:10,451 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:10,452 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 07:05:10,452 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 07:05:10,459 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:10,460 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:05:10,465 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:10,466 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:05:10,489 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:10,490 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:05:10,626 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:10,627 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:05:10,646 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:10,647 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:05:10,701 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:10,702 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:05:10,755 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:10,756 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:05:10,807 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:10,808 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 07:05:10,809 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:10,809 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 07:05:10,816 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 07:05:10,836 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:10,837 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:05:10,856 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:10,857 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:05:10,875 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:10,876 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:05:10,901 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:10,902 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:05:10,922 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:10,923 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:05:10,942 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:10,943 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:05:11,044 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:11,045 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 07:05:11,046 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:11,046 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 07:05:11,046 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 07:05:11,130 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:11,131 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:05:11,329 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:11,330 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 07:05:11,332 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:11,335 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 07:05:11,335 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-06-11 07:05:11,444 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:11,447 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 07:05:11,447 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:11,448 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 07:05:11,452 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:11,453 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 07:05:11,453 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 07:05:11,454 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 07:05:11,454 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:11,455 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 07:05:11,455 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:11,455 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 07:05:11,456 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-11 07:05:11,456 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 07:05:11,456 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:11,457 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-11 07:05:11,458 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-06-11 07:05:11,539 INFO L142 QuantifierPusher]: treesize reduction 13, result has 69.0 percent of original size [2021-06-11 07:05:11,546 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:05:11,577 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:11,578 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:05:11,697 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:11,700 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 07:05:11,706 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:11,708 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 07:05:11,708 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:11,709 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 07:05:11,709 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 07:05:11,709 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 07:05:11,710 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:11,710 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 07:05:11,711 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:11,711 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 07:05:11,712 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-11 07:05:11,713 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 07:05:11,713 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:11,714 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-11 07:05:11,716 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-06-11 07:05:11,947 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 82 [2021-06-11 07:05:12,163 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 82 [2021-06-11 07:05:12,237 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:12,241 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 07:05:12,241 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:12,242 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 07:05:12,243 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:12,244 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 07:05:12,244 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 07:05:12,244 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 07:05:12,244 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:12,245 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 07:05:12,247 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:12,248 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 07:05:12,250 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-11 07:05:12,250 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 07:05:12,256 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:12,256 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-11 07:05:12,257 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-06-11 07:05:12,374 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2021-06-11 07:05:12,597 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:12,598 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:05:12,601 INFO L163 LiptonReduction]: Checked pairs total: 2740 [2021-06-11 07:05:12,601 INFO L165 LiptonReduction]: Total number of compositions: 65 [2021-06-11 07:05:12,602 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2663 [2021-06-11 07:05:12,603 INFO L129 PetriNetUnfolder]: 0/3 cut-off events. [2021-06-11 07:05:12,603 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-06-11 07:05:12,603 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 07:05:12,604 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1] [2021-06-11 07:05:12,604 INFO L428 AbstractCegarLoop]: === Iteration 1 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2021-06-11 07:05:12,604 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 07:05:12,604 INFO L82 PathProgramCache]: Analyzing trace with hash 740648, now seen corresponding path program 1 times [2021-06-11 07:05:12,604 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 07:05:12,604 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [364747524] [2021-06-11 07:05:12,604 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 07:05:12,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 07:05:12,618 INFO L142 QuantifierPusher]: treesize reduction 5, result has 37.5 percent of original size [2021-06-11 07:05:12,618 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:05:12,620 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 07:05:12,620 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [364747524] [2021-06-11 07:05:12,621 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 07:05:12,621 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-06-11 07:05:12,621 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1914248734] [2021-06-11 07:05:12,621 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-11 07:05:12,621 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 07:05:12,621 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-11 07:05:12,621 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-11 07:05:12,622 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 121 out of 178 [2021-06-11 07:05:12,622 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 34 places, 22 transitions, 79 flow. Second operand has 3 states, 3 states have (on average 121.66666666666667) internal successors, (365), 3 states have internal predecessors, (365), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 07:05:12,623 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 07:05:12,623 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 121 of 178 [2021-06-11 07:05:12,623 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 07:05:12,698 INFO L129 PetriNetUnfolder]: 591/904 cut-off events. [2021-06-11 07:05:12,698 INFO L130 PetriNetUnfolder]: For 16/16 co-relation queries the response was YES. [2021-06-11 07:05:12,701 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1814 conditions, 904 events. 591/904 cut-off events. For 16/16 co-relation queries the response was YES. Maximal size of possible extension queue 94. Compared 4135 event pairs, 252 based on Foata normal form. 0/783 useless extension candidates. Maximal degree in co-relation 1802. Up to 662 conditions per place. [2021-06-11 07:05:12,706 INFO L132 encePairwiseOnDemand]: 170/178 looper letters, 14 selfloop transitions, 6 changer transitions 0/30 dead transitions. [2021-06-11 07:05:12,706 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 35 places, 30 transitions, 135 flow [2021-06-11 07:05:12,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-11 07:05:12,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-06-11 07:05:12,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 386 transitions. [2021-06-11 07:05:12,708 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7228464419475655 [2021-06-11 07:05:12,708 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 386 transitions. [2021-06-11 07:05:12,708 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 386 transitions. [2021-06-11 07:05:12,708 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 07:05:12,709 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 386 transitions. [2021-06-11 07:05:12,709 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 128.66666666666666) internal successors, (386), 3 states have internal predecessors, (386), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 07:05:12,710 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 178.0) internal successors, (712), 4 states have internal predecessors, (712), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 07:05:12,711 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 178.0) internal successors, (712), 4 states have internal predecessors, (712), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 07:05:12,711 INFO L185 Difference]: Start difference. First operand has 34 places, 22 transitions, 79 flow. Second operand 3 states and 386 transitions. [2021-06-11 07:05:12,711 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 35 places, 30 transitions, 135 flow [2021-06-11 07:05:12,711 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 34 places, 30 transitions, 122 flow, removed 6 selfloop flow, removed 1 redundant places. [2021-06-11 07:05:12,712 INFO L241 Difference]: Finished difference. Result has 36 places, 26 transitions, 110 flow [2021-06-11 07:05:12,712 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=178, PETRI_DIFFERENCE_MINUEND_FLOW=64, PETRI_DIFFERENCE_MINUEND_PLACES=32, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=21, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=15, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=110, PETRI_PLACES=36, PETRI_TRANSITIONS=26} [2021-06-11 07:05:12,712 INFO L343 CegarLoopForPetriNet]: 34 programPoint places, 2 predicate places. [2021-06-11 07:05:12,712 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 07:05:12,713 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 36 places, 26 transitions, 110 flow [2021-06-11 07:05:12,713 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 36 places, 26 transitions, 110 flow [2021-06-11 07:05:12,713 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 36 places, 26 transitions, 110 flow [2021-06-11 07:05:12,723 INFO L129 PetriNetUnfolder]: 90/177 cut-off events. [2021-06-11 07:05:12,723 INFO L130 PetriNetUnfolder]: For 29/64 co-relation queries the response was YES. [2021-06-11 07:05:12,724 INFO L84 FinitePrefix]: Finished finitePrefix Result has 402 conditions, 177 events. 90/177 cut-off events. For 29/64 co-relation queries the response was YES. Maximal size of possible extension queue 28. Compared 675 event pairs, 40 based on Foata normal form. 0/141 useless extension candidates. Maximal degree in co-relation 389. Up to 136 conditions per place. [2021-06-11 07:05:12,726 INFO L151 LiptonReduction]: Number of co-enabled transitions 260 [2021-06-11 07:05:12,737 INFO L163 LiptonReduction]: Checked pairs total: 140 [2021-06-11 07:05:12,737 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 07:05:12,737 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 25 [2021-06-11 07:05:12,738 INFO L480 AbstractCegarLoop]: Abstraction has has 36 places, 26 transitions, 110 flow [2021-06-11 07:05:12,738 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 121.66666666666667) internal successors, (365), 3 states have internal predecessors, (365), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 07:05:12,738 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 07:05:12,738 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 07:05:12,738 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-06-11 07:05:12,738 INFO L428 AbstractCegarLoop]: === Iteration 2 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2021-06-11 07:05:12,739 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 07:05:12,739 INFO L82 PathProgramCache]: Analyzing trace with hash -391876957, now seen corresponding path program 1 times [2021-06-11 07:05:12,739 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 07:05:12,739 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1942064757] [2021-06-11 07:05:12,739 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 07:05:12,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 07:05:12,772 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:12,773 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:05:12,775 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:12,776 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:05:12,779 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:12,779 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:05:12,783 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 07:05:12,783 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1942064757] [2021-06-11 07:05:12,783 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 07:05:12,783 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-06-11 07:05:12,783 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1058877400] [2021-06-11 07:05:12,784 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-06-11 07:05:12,784 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 07:05:12,784 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-06-11 07:05:12,784 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-06-11 07:05:12,785 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 118 out of 178 [2021-06-11 07:05:12,786 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 36 places, 26 transitions, 110 flow. Second operand has 5 states, 5 states have (on average 119.0) internal successors, (595), 5 states have internal predecessors, (595), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 07:05:12,786 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 07:05:12,786 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 118 of 178 [2021-06-11 07:05:12,786 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 07:05:12,944 INFO L129 PetriNetUnfolder]: 871/1405 cut-off events. [2021-06-11 07:05:12,944 INFO L130 PetriNetUnfolder]: For 546/546 co-relation queries the response was YES. [2021-06-11 07:05:12,948 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3988 conditions, 1405 events. 871/1405 cut-off events. For 546/546 co-relation queries the response was YES. Maximal size of possible extension queue 161. Compared 7717 event pairs, 305 based on Foata normal form. 27/1373 useless extension candidates. Maximal degree in co-relation 3973. Up to 708 conditions per place. [2021-06-11 07:05:12,958 INFO L132 encePairwiseOnDemand]: 171/178 looper letters, 38 selfloop transitions, 17 changer transitions 0/64 dead transitions. [2021-06-11 07:05:12,958 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 41 places, 64 transitions, 378 flow [2021-06-11 07:05:12,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-11 07:05:12,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-06-11 07:05:12,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 753 transitions. [2021-06-11 07:05:12,961 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7050561797752809 [2021-06-11 07:05:12,961 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 753 transitions. [2021-06-11 07:05:12,961 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 753 transitions. [2021-06-11 07:05:12,962 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 07:05:12,962 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 753 transitions. [2021-06-11 07:05:12,964 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 125.5) internal successors, (753), 6 states have internal predecessors, (753), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 07:05:12,966 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 178.0) internal successors, (1246), 7 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) [2021-06-11 07:05:12,966 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 178.0) internal successors, (1246), 7 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) [2021-06-11 07:05:12,967 INFO L185 Difference]: Start difference. First operand has 36 places, 26 transitions, 110 flow. Second operand 6 states and 753 transitions. [2021-06-11 07:05:12,967 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 41 places, 64 transitions, 378 flow [2021-06-11 07:05:12,971 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 39 places, 64 transitions, 334 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-06-11 07:05:12,972 INFO L241 Difference]: Finished difference. Result has 42 places, 45 transitions, 257 flow [2021-06-11 07:05:12,972 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=178, PETRI_DIFFERENCE_MINUEND_FLOW=98, PETRI_DIFFERENCE_MINUEND_PLACES=34, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=26, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=16, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=257, PETRI_PLACES=42, PETRI_TRANSITIONS=45} [2021-06-11 07:05:12,972 INFO L343 CegarLoopForPetriNet]: 34 programPoint places, 8 predicate places. [2021-06-11 07:05:12,973 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 07:05:12,973 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 42 places, 45 transitions, 257 flow [2021-06-11 07:05:12,973 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 42 places, 45 transitions, 257 flow [2021-06-11 07:05:12,973 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 42 places, 45 transitions, 257 flow [2021-06-11 07:05:12,999 INFO L129 PetriNetUnfolder]: 180/356 cut-off events. [2021-06-11 07:05:13,000 INFO L130 PetriNetUnfolder]: For 302/1133 co-relation queries the response was YES. [2021-06-11 07:05:13,001 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1080 conditions, 356 events. 180/356 cut-off events. For 302/1133 co-relation queries the response was YES. Maximal size of possible extension queue 52. Compared 1719 event pairs, 43 based on Foata normal form. 1/305 useless extension candidates. Maximal degree in co-relation 1064. Up to 288 conditions per place. [2021-06-11 07:05:13,005 INFO L151 LiptonReduction]: Number of co-enabled transitions 534 [2021-06-11 07:05:13,015 INFO L163 LiptonReduction]: Checked pairs total: 651 [2021-06-11 07:05:13,015 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 07:05:13,015 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 42 [2021-06-11 07:05:13,016 INFO L480 AbstractCegarLoop]: Abstraction has has 42 places, 45 transitions, 257 flow [2021-06-11 07:05:13,017 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 119.0) internal successors, (595), 5 states have internal predecessors, (595), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 07:05:13,017 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 07:05:13,017 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 07:05:13,017 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-06-11 07:05:13,017 INFO L428 AbstractCegarLoop]: === Iteration 3 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2021-06-11 07:05:13,017 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 07:05:13,017 INFO L82 PathProgramCache]: Analyzing trace with hash -756688685, now seen corresponding path program 1 times [2021-06-11 07:05:13,018 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 07:05:13,018 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [29172900] [2021-06-11 07:05:13,018 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 07:05:13,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 07:05:13,047 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:13,047 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:05:13,050 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:13,050 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:05:13,053 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:13,054 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:05:13,058 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-06-11 07:05:13,059 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [29172900] [2021-06-11 07:05:13,059 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 07:05:13,059 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-06-11 07:05:13,059 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1202498155] [2021-06-11 07:05:13,059 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-06-11 07:05:13,059 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 07:05:13,060 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-06-11 07:05:13,060 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-06-11 07:05:13,061 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 119 out of 178 [2021-06-11 07:05:13,061 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 42 places, 45 transitions, 257 flow. Second operand has 5 states, 5 states have (on average 120.0) internal successors, (600), 5 states have internal predecessors, (600), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 07:05:13,061 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 07:05:13,061 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 119 of 178 [2021-06-11 07:05:13,062 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 07:05:13,298 INFO L129 PetriNetUnfolder]: 1248/2135 cut-off events. [2021-06-11 07:05:13,299 INFO L130 PetriNetUnfolder]: For 1750/1750 co-relation queries the response was YES. [2021-06-11 07:05:13,308 INFO L84 FinitePrefix]: Finished finitePrefix Result has 7275 conditions, 2135 events. 1248/2135 cut-off events. For 1750/1750 co-relation queries the response was YES. Maximal size of possible extension queue 261. Compared 13916 event pairs, 467 based on Foata normal form. 41/2116 useless extension candidates. Maximal degree in co-relation 7257. Up to 1136 conditions per place. [2021-06-11 07:05:13,325 INFO L132 encePairwiseOnDemand]: 171/178 looper letters, 58 selfloop transitions, 29 changer transitions 0/96 dead transitions. [2021-06-11 07:05:13,325 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 47 places, 96 transitions, 716 flow [2021-06-11 07:05:13,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-11 07:05:13,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-06-11 07:05:13,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 760 transitions. [2021-06-11 07:05:13,327 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7116104868913857 [2021-06-11 07:05:13,327 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 760 transitions. [2021-06-11 07:05:13,327 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 760 transitions. [2021-06-11 07:05:13,328 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 07:05:13,328 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 760 transitions. [2021-06-11 07:05:13,330 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 126.66666666666667) internal successors, (760), 6 states have internal predecessors, (760), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 07:05:13,331 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 178.0) internal successors, (1246), 7 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) [2021-06-11 07:05:13,332 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 178.0) internal successors, (1246), 7 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) [2021-06-11 07:05:13,332 INFO L185 Difference]: Start difference. First operand has 42 places, 45 transitions, 257 flow. Second operand 6 states and 760 transitions. [2021-06-11 07:05:13,332 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 47 places, 96 transitions, 716 flow [2021-06-11 07:05:13,338 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 47 places, 96 transitions, 716 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-06-11 07:05:13,341 INFO L241 Difference]: Finished difference. Result has 50 places, 66 transitions, 528 flow [2021-06-11 07:05:13,342 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=178, PETRI_DIFFERENCE_MINUEND_FLOW=257, PETRI_DIFFERENCE_MINUEND_PLACES=42, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=45, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=21, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=528, PETRI_PLACES=50, PETRI_TRANSITIONS=66} [2021-06-11 07:05:13,342 INFO L343 CegarLoopForPetriNet]: 34 programPoint places, 16 predicate places. [2021-06-11 07:05:13,342 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 07:05:13,342 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 50 places, 66 transitions, 528 flow [2021-06-11 07:05:13,342 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 50 places, 66 transitions, 528 flow [2021-06-11 07:05:13,343 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 50 places, 66 transitions, 528 flow [2021-06-11 07:05:13,430 INFO L129 PetriNetUnfolder]: 336/697 cut-off events. [2021-06-11 07:05:13,431 INFO L130 PetriNetUnfolder]: For 1402/3374 co-relation queries the response was YES. [2021-06-11 07:05:13,433 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2799 conditions, 697 events. 336/697 cut-off events. For 1402/3374 co-relation queries the response was YES. Maximal size of possible extension queue 100. Compared 4390 event pairs, 60 based on Foata normal form. 2/641 useless extension candidates. Maximal degree in co-relation 2778. Up to 571 conditions per place. [2021-06-11 07:05:13,443 INFO L151 LiptonReduction]: Number of co-enabled transitions 808 [2021-06-11 07:05:13,449 INFO L163 LiptonReduction]: Checked pairs total: 1116 [2021-06-11 07:05:13,450 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 07:05:13,450 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 108 [2021-06-11 07:05:13,451 INFO L480 AbstractCegarLoop]: Abstraction has has 50 places, 66 transitions, 528 flow [2021-06-11 07:05:13,452 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 120.0) internal successors, (600), 5 states have internal predecessors, (600), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 07:05:13,452 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 07:05:13,452 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 07:05:13,452 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-06-11 07:05:13,452 INFO L428 AbstractCegarLoop]: === Iteration 4 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2021-06-11 07:05:13,452 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 07:05:13,452 INFO L82 PathProgramCache]: Analyzing trace with hash -1327330513, now seen corresponding path program 1 times [2021-06-11 07:05:13,453 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 07:05:13,453 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [506649052] [2021-06-11 07:05:13,453 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 07:05:13,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 07:05:13,481 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:13,482 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:05:13,485 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:13,485 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:05:13,488 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:13,488 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:05:13,492 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:13,493 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:05:13,498 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:13,498 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:05:13,504 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-06-11 07:05:13,504 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [506649052] [2021-06-11 07:05:13,505 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 07:05:13,505 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-06-11 07:05:13,505 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [914565997] [2021-06-11 07:05:13,505 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-06-11 07:05:13,505 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 07:05:13,505 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-06-11 07:05:13,505 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-06-11 07:05:13,506 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 116 out of 178 [2021-06-11 07:05:13,507 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 50 places, 66 transitions, 528 flow. Second operand has 7 states, 7 states have (on average 117.14285714285714) internal successors, (820), 7 states have internal predecessors, (820), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 07:05:13,507 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 07:05:13,507 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 116 of 178 [2021-06-11 07:05:13,507 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 07:05:13,876 INFO L129 PetriNetUnfolder]: 1295/2259 cut-off events. [2021-06-11 07:05:13,876 INFO L130 PetriNetUnfolder]: For 4323/4323 co-relation queries the response was YES. [2021-06-11 07:05:13,888 INFO L84 FinitePrefix]: Finished finitePrefix Result has 9315 conditions, 2259 events. 1295/2259 cut-off events. For 4323/4323 co-relation queries the response was YES. Maximal size of possible extension queue 283. Compared 15179 event pairs, 319 based on Foata normal form. 9/2217 useless extension candidates. Maximal degree in co-relation 9292. Up to 1210 conditions per place. [2021-06-11 07:05:13,908 INFO L132 encePairwiseOnDemand]: 170/178 looper letters, 73 selfloop transitions, 58 changer transitions 0/139 dead transitions. [2021-06-11 07:05:13,909 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 62 places, 139 transitions, 1192 flow [2021-06-11 07:05:13,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-11 07:05:13,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-06-11 07:05:13,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1604 transitions. [2021-06-11 07:05:13,913 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.693171996542783 [2021-06-11 07:05:13,914 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 1604 transitions. [2021-06-11 07:05:13,914 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 1604 transitions. [2021-06-11 07:05:13,915 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 07:05:13,915 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 1604 transitions. [2021-06-11 07:05:13,919 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 123.38461538461539) internal successors, (1604), 13 states have internal predecessors, (1604), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 07:05:13,923 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 178.0) internal successors, (2492), 14 states have internal predecessors, (2492), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 07:05:13,924 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 178.0) internal successors, (2492), 14 states have internal predecessors, (2492), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 07:05:13,924 INFO L185 Difference]: Start difference. First operand has 50 places, 66 transitions, 528 flow. Second operand 13 states and 1604 transitions. [2021-06-11 07:05:13,924 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 62 places, 139 transitions, 1192 flow [2021-06-11 07:05:13,948 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 61 places, 139 transitions, 1178 flow, removed 4 selfloop flow, removed 1 redundant places. [2021-06-11 07:05:13,953 INFO L241 Difference]: Finished difference. Result has 64 places, 86 transitions, 859 flow [2021-06-11 07:05:13,954 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=178, PETRI_DIFFERENCE_MINUEND_FLOW=518, PETRI_DIFFERENCE_MINUEND_PLACES=49, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=66, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=38, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=21, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=859, PETRI_PLACES=64, PETRI_TRANSITIONS=86} [2021-06-11 07:05:13,954 INFO L343 CegarLoopForPetriNet]: 34 programPoint places, 30 predicate places. [2021-06-11 07:05:13,954 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 07:05:13,954 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 64 places, 86 transitions, 859 flow [2021-06-11 07:05:13,954 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 64 places, 86 transitions, 859 flow [2021-06-11 07:05:13,955 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 64 places, 86 transitions, 859 flow [2021-06-11 07:05:14,028 INFO L129 PetriNetUnfolder]: 388/814 cut-off events. [2021-06-11 07:05:14,029 INFO L130 PetriNetUnfolder]: For 4162/6129 co-relation queries the response was YES. [2021-06-11 07:05:14,033 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3973 conditions, 814 events. 388/814 cut-off events. For 4162/6129 co-relation queries the response was YES. Maximal size of possible extension queue 126. Compared 5486 event pairs, 66 based on Foata normal form. 11/767 useless extension candidates. Maximal degree in co-relation 3948. Up to 657 conditions per place. [2021-06-11 07:05:14,049 INFO L151 LiptonReduction]: Number of co-enabled transitions 1048 [2021-06-11 07:05:14,061 INFO L163 LiptonReduction]: Checked pairs total: 2057 [2021-06-11 07:05:14,061 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 07:05:14,061 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 107 [2021-06-11 07:05:14,062 INFO L480 AbstractCegarLoop]: Abstraction has has 64 places, 86 transitions, 859 flow [2021-06-11 07:05:14,062 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 117.14285714285714) internal successors, (820), 7 states have internal predecessors, (820), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 07:05:14,063 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 07:05:14,063 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 07:05:14,063 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-06-11 07:05:14,063 INFO L428 AbstractCegarLoop]: === Iteration 5 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2021-06-11 07:05:14,063 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 07:05:14,064 INFO L82 PathProgramCache]: Analyzing trace with hash -1328342353, now seen corresponding path program 2 times [2021-06-11 07:05:14,064 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 07:05:14,064 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [521743379] [2021-06-11 07:05:14,064 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 07:05:14,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 07:05:14,088 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:14,088 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:05:14,091 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:14,091 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:05:14,094 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:14,095 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:05:14,098 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:14,099 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:05:14,104 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:14,104 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:05:14,110 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-06-11 07:05:14,110 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [521743379] [2021-06-11 07:05:14,110 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 07:05:14,110 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-06-11 07:05:14,110 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [680468491] [2021-06-11 07:05:14,111 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-06-11 07:05:14,111 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 07:05:14,112 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-06-11 07:05:14,112 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-06-11 07:05:14,113 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 116 out of 178 [2021-06-11 07:05:14,114 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 64 places, 86 transitions, 859 flow. Second operand has 7 states, 7 states have (on average 117.14285714285714) internal successors, (820), 7 states have internal predecessors, (820), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 07:05:14,114 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 07:05:14,114 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 116 of 178 [2021-06-11 07:05:14,114 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 07:05:14,559 INFO L129 PetriNetUnfolder]: 1341/2381 cut-off events. [2021-06-11 07:05:14,559 INFO L130 PetriNetUnfolder]: For 7604/7604 co-relation queries the response was YES. [2021-06-11 07:05:14,572 INFO L84 FinitePrefix]: Finished finitePrefix Result has 11293 conditions, 2381 events. 1341/2381 cut-off events. For 7604/7604 co-relation queries the response was YES. Maximal size of possible extension queue 304. Compared 16692 event pairs, 267 based on Foata normal form. 9/2340 useless extension candidates. Maximal degree in co-relation 11266. Up to 1284 conditions per place. [2021-06-11 07:05:14,599 INFO L132 encePairwiseOnDemand]: 170/178 looper letters, 81 selfloop transitions, 68 changer transitions 0/157 dead transitions. [2021-06-11 07:05:14,599 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 76 places, 157 transitions, 1601 flow [2021-06-11 07:05:14,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-11 07:05:14,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-06-11 07:05:14,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1604 transitions. [2021-06-11 07:05:14,604 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.693171996542783 [2021-06-11 07:05:14,604 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 1604 transitions. [2021-06-11 07:05:14,604 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 1604 transitions. [2021-06-11 07:05:14,605 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 07:05:14,605 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 1604 transitions. [2021-06-11 07:05:14,608 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 123.38461538461539) internal successors, (1604), 13 states have internal predecessors, (1604), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 07:05:14,612 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 178.0) internal successors, (2492), 14 states have internal predecessors, (2492), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 07:05:14,613 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 178.0) internal successors, (2492), 14 states have internal predecessors, (2492), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 07:05:14,613 INFO L185 Difference]: Start difference. First operand has 64 places, 86 transitions, 859 flow. Second operand 13 states and 1604 transitions. [2021-06-11 07:05:14,613 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 76 places, 157 transitions, 1601 flow [2021-06-11 07:05:14,645 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 70 places, 157 transitions, 1504 flow, removed 17 selfloop flow, removed 6 redundant places. [2021-06-11 07:05:14,647 INFO L241 Difference]: Finished difference. Result has 73 places, 103 transitions, 1135 flow [2021-06-11 07:05:14,648 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=178, PETRI_DIFFERENCE_MINUEND_FLOW=774, PETRI_DIFFERENCE_MINUEND_PLACES=58, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=86, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=51, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=28, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=1135, PETRI_PLACES=73, PETRI_TRANSITIONS=103} [2021-06-11 07:05:14,648 INFO L343 CegarLoopForPetriNet]: 34 programPoint places, 39 predicate places. [2021-06-11 07:05:14,648 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 07:05:14,648 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 73 places, 103 transitions, 1135 flow [2021-06-11 07:05:14,648 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 73 places, 103 transitions, 1135 flow [2021-06-11 07:05:14,649 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 73 places, 103 transitions, 1135 flow [2021-06-11 07:05:14,743 INFO L129 PetriNetUnfolder]: 439/928 cut-off events. [2021-06-11 07:05:14,744 INFO L130 PetriNetUnfolder]: For 7524/11976 co-relation queries the response was YES. [2021-06-11 07:05:14,748 INFO L84 FinitePrefix]: Finished finitePrefix Result has 5155 conditions, 928 events. 439/928 cut-off events. For 7524/11976 co-relation queries the response was YES. Maximal size of possible extension queue 132. Compared 6234 event pairs, 68 based on Foata normal form. 13/870 useless extension candidates. Maximal degree in co-relation 5128. Up to 746 conditions per place. [2021-06-11 07:05:14,762 INFO L151 LiptonReduction]: Number of co-enabled transitions 1226 [2021-06-11 07:05:14,778 INFO L163 LiptonReduction]: Checked pairs total: 3197 [2021-06-11 07:05:14,778 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 07:05:14,778 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 130 [2021-06-11 07:05:14,779 INFO L480 AbstractCegarLoop]: Abstraction has has 73 places, 103 transitions, 1135 flow [2021-06-11 07:05:14,780 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 117.14285714285714) internal successors, (820), 7 states have internal predecessors, (820), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 07:05:14,780 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 07:05:14,780 INFO L263 CegarLoopForPetriNet]: trace histogram [3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 07:05:14,780 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-06-11 07:05:14,780 INFO L428 AbstractCegarLoop]: === Iteration 6 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2021-06-11 07:05:14,781 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 07:05:14,781 INFO L82 PathProgramCache]: Analyzing trace with hash 1730774986, now seen corresponding path program 1 times [2021-06-11 07:05:14,781 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 07:05:14,781 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [467546074] [2021-06-11 07:05:14,781 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 07:05:14,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 07:05:14,820 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:14,820 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:05:14,823 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:14,823 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:05:14,827 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:14,827 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:05:14,831 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-06-11 07:05:14,831 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [467546074] [2021-06-11 07:05:14,832 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 07:05:14,832 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-06-11 07:05:14,832 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2142763776] [2021-06-11 07:05:14,832 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-06-11 07:05:14,832 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 07:05:14,833 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-06-11 07:05:14,833 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-06-11 07:05:14,833 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 118 out of 178 [2021-06-11 07:05:14,834 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 73 places, 103 transitions, 1135 flow. Second operand has 5 states, 5 states have (on average 119.0) internal successors, (595), 5 states have internal predecessors, (595), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 07:05:14,834 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 07:05:14,834 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 118 of 178 [2021-06-11 07:05:14,834 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 07:05:15,304 INFO L129 PetriNetUnfolder]: 1846/3596 cut-off events. [2021-06-11 07:05:15,304 INFO L130 PetriNetUnfolder]: For 19088/19117 co-relation queries the response was YES. [2021-06-11 07:05:15,324 INFO L84 FinitePrefix]: Finished finitePrefix Result has 19176 conditions, 3596 events. 1846/3596 cut-off events. For 19088/19117 co-relation queries the response was YES. Maximal size of possible extension queue 461. Compared 29243 event pairs, 707 based on Foata normal form. 75/3574 useless extension candidates. Maximal degree in co-relation 19147. Up to 1980 conditions per place. [2021-06-11 07:05:15,351 INFO L132 encePairwiseOnDemand]: 171/178 looper letters, 148 selfloop transitions, 61 changer transitions 0/218 dead transitions. [2021-06-11 07:05:15,352 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 78 places, 218 transitions, 2870 flow [2021-06-11 07:05:15,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-11 07:05:15,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-06-11 07:05:15,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 754 transitions. [2021-06-11 07:05:15,354 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7059925093632958 [2021-06-11 07:05:15,355 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 754 transitions. [2021-06-11 07:05:15,355 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 754 transitions. [2021-06-11 07:05:15,355 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 07:05:15,355 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 754 transitions. [2021-06-11 07:05:15,357 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 125.66666666666667) internal successors, (754), 6 states have internal predecessors, (754), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 07:05:15,359 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 178.0) internal successors, (1246), 7 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) [2021-06-11 07:05:15,359 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 178.0) internal successors, (1246), 7 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) [2021-06-11 07:05:15,359 INFO L185 Difference]: Start difference. First operand has 73 places, 103 transitions, 1135 flow. Second operand 6 states and 754 transitions. [2021-06-11 07:05:15,359 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 78 places, 218 transitions, 2870 flow [2021-06-11 07:05:15,449 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 69 places, 218 transitions, 2611 flow, removed 18 selfloop flow, removed 9 redundant places. [2021-06-11 07:05:15,501 INFO L241 Difference]: Finished difference. Result has 72 places, 151 transitions, 1842 flow [2021-06-11 07:05:15,502 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=178, PETRI_DIFFERENCE_MINUEND_FLOW=1006, PETRI_DIFFERENCE_MINUEND_PLACES=64, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=103, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=13, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=50, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1842, PETRI_PLACES=72, PETRI_TRANSITIONS=151} [2021-06-11 07:05:15,502 INFO L343 CegarLoopForPetriNet]: 34 programPoint places, 38 predicate places. [2021-06-11 07:05:15,502 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 07:05:15,502 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 72 places, 151 transitions, 1842 flow [2021-06-11 07:05:15,502 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 72 places, 151 transitions, 1842 flow [2021-06-11 07:05:15,504 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 72 places, 151 transitions, 1842 flow [2021-06-11 07:05:15,684 INFO L129 PetriNetUnfolder]: 740/1687 cut-off events. [2021-06-11 07:05:15,685 INFO L130 PetriNetUnfolder]: For 13963/17233 co-relation queries the response was YES. [2021-06-11 07:05:15,695 INFO L84 FinitePrefix]: Finished finitePrefix Result has 10022 conditions, 1687 events. 740/1687 cut-off events. For 13963/17233 co-relation queries the response was YES. Maximal size of possible extension queue 266. Compared 14081 event pairs, 85 based on Foata normal form. 35/1626 useless extension candidates. Maximal degree in co-relation 9992. Up to 1345 conditions per place. [2021-06-11 07:05:15,722 INFO L151 LiptonReduction]: Number of co-enabled transitions 1774 [2021-06-11 07:05:15,749 INFO L163 LiptonReduction]: Checked pairs total: 3210 [2021-06-11 07:05:15,749 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 07:05:15,749 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 247 [2021-06-11 07:05:15,752 INFO L480 AbstractCegarLoop]: Abstraction has has 72 places, 151 transitions, 1842 flow [2021-06-11 07:05:15,752 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 119.0) internal successors, (595), 5 states have internal predecessors, (595), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 07:05:15,752 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 07:05:15,752 INFO L263 CegarLoopForPetriNet]: trace histogram [4, 4, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 07:05:15,752 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-06-11 07:05:15,753 INFO L428 AbstractCegarLoop]: === Iteration 7 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2021-06-11 07:05:15,753 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 07:05:15,753 INFO L82 PathProgramCache]: Analyzing trace with hash 1124169066, now seen corresponding path program 1 times [2021-06-11 07:05:15,753 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 07:05:15,753 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1873335749] [2021-06-11 07:05:15,753 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 07:05:15,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-06-11 07:05:15,773 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-06-11 07:05:15,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-06-11 07:05:15,782 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-06-11 07:05:15,794 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-06-11 07:05:15,796 INFO L634 BasicCegarLoop]: Counterexample might be feasible [2021-06-11 07:05:15,796 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-06-11 07:05:15,796 WARN L342 ceAbstractionStarter]: 4 thread instances were not sufficient, I will increase this number and restart the analysis [2021-06-11 07:05:15,797 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 5 thread instances. [2021-06-11 07:05:15,821 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:15,821 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:15,821 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:15,821 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:15,821 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:15,821 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:15,821 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:15,821 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:15,821 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:15,821 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:15,821 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:15,821 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:15,822 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:15,822 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:15,822 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:15,822 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:15,822 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:15,822 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:15,822 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:15,822 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:15,822 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:15,822 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:15,822 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:15,822 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:15,822 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:15,822 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:15,822 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:15,823 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:15,823 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:15,823 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:15,823 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:15,823 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:15,823 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:15,823 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:15,823 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:15,823 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:15,823 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:15,823 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:15,823 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:15,823 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:15,823 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:15,824 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:15,824 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:15,824 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:15,824 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:15,824 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:15,824 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:15,824 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:15,824 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:15,824 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:15,824 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:15,824 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:15,824 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:15,824 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:15,824 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:15,824 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:15,825 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:15,825 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:15,825 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:15,825 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:15,825 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:15,825 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:15,825 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:15,825 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:15,825 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:15,825 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:15,825 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:15,825 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:15,825 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:15,825 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:15,825 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:15,825 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:15,826 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:15,826 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:15,826 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:15,826 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:15,826 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:15,826 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:15,826 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:15,826 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:15,826 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:15,826 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:15,826 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:15,826 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:15,826 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:15,826 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:15,826 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:15,826 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:15,826 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:15,827 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:15,827 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:15,828 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:15,828 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:15,828 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:15,828 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:15,828 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:15,828 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:15,828 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:15,828 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:15,828 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:15,828 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:15,828 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:15,828 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:15,828 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:15,828 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:15,828 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:15,829 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:15,829 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:15,829 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:15,829 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:15,829 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:15,829 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:15,829 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:15,829 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:15,829 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:15,829 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:15,829 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:15,829 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:15,829 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:15,829 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:15,830 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:15,830 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:15,830 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:15,830 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:15,830 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:15,830 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:15,830 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:15,830 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:15,830 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:15,830 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:15,830 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:15,830 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:15,830 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:15,830 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:15,830 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:15,831 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:15,831 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:15,831 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:15,831 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:15,831 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:15,831 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:15,831 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:15,831 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:15,832 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:15,832 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:15,832 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:15,832 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:15,832 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:15,832 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:15,832 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:15,832 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:15,832 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:15,832 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:15,832 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:15,836 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:15,837 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:15,837 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:15,837 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:15,837 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:15,837 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:15,837 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:15,837 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:15,838 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:15,839 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:15,839 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:15,839 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:15,839 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:15,839 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:15,839 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:15,839 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:15,839 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:15,839 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:15,839 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:15,839 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:15,839 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:15,839 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:15,839 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:15,839 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:15,840 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:15,840 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:15,840 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:15,840 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:15,840 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:15,840 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:15,840 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:15,840 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:15,840 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:15,840 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:15,840 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:15,840 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:15,840 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:15,840 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:15,841 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:15,841 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:15,841 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:15,841 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:15,841 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:15,841 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:15,841 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:15,841 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:15,841 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:15,841 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:15,841 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:15,841 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:15,841 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:15,841 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:15,841 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:15,841 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:15,842 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:15,842 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:15,843 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:15,844 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:15,844 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:15,844 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:15,844 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:15,845 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:15,845 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:15,845 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:15,845 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:15,845 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:15,846 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:15,846 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:15,846 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:15,846 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:15,846 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:15,847 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:15,847 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:15,847 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:15,847 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:15,847 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:15,848 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:15,848 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:15,848 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:15,848 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:15,849 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:15,849 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:15,849 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:15,850 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:15,850 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:15,850 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:15,850 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:15,851 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:15,851 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:15,851 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:15,851 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:15,851 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:15,851 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:15,852 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:15,852 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:15,852 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:15,852 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:15,852 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:15,852 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:15,853 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:15,853 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:15,853 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:15,853 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:15,853 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:15,853 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:15,854 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:15,854 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:15,854 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:15,854 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:15,854 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:15,854 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:15,855 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-06-11 07:05:15,855 INFO L253 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2021-06-11 07:05:15,857 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-06-11 07:05:15,857 INFO L377 AbstractCegarLoop]: Hoare is false [2021-06-11 07:05:15,857 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-11 07:05:15,857 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-11 07:05:15,857 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-11 07:05:15,857 INFO L381 AbstractCegarLoop]: Difference is false [2021-06-11 07:05:15,857 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-11 07:05:15,857 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-06-11 07:05:15,859 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 148 places, 132 transitions, 354 flow [2021-06-11 07:05:15,868 INFO L129 PetriNetUnfolder]: 7/154 cut-off events. [2021-06-11 07:05:15,868 INFO L130 PetriNetUnfolder]: For 30/30 co-relation queries the response was YES. [2021-06-11 07:05:15,869 INFO L84 FinitePrefix]: Finished finitePrefix Result has 192 conditions, 154 events. 7/154 cut-off events. For 30/30 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 269 event pairs, 0 based on Foata normal form. 0/140 useless extension candidates. Maximal degree in co-relation 181. Up to 12 conditions per place. [2021-06-11 07:05:15,869 INFO L82 GeneralOperation]: Start removeDead. Operand has 148 places, 132 transitions, 354 flow [2021-06-11 07:05:15,871 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 95 places, 83 transitions, 214 flow [2021-06-11 07:05:15,871 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 07:05:15,871 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 95 places, 83 transitions, 214 flow [2021-06-11 07:05:15,871 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 95 places, 83 transitions, 214 flow [2021-06-11 07:05:15,871 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 95 places, 83 transitions, 214 flow [2021-06-11 07:05:15,880 INFO L129 PetriNetUnfolder]: 7/154 cut-off events. [2021-06-11 07:05:15,880 INFO L130 PetriNetUnfolder]: For 30/30 co-relation queries the response was YES. [2021-06-11 07:05:15,881 INFO L84 FinitePrefix]: Finished finitePrefix Result has 188 conditions, 154 events. 7/154 cut-off events. For 30/30 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 262 event pairs, 0 based on Foata normal form. 0/140 useless extension candidates. Maximal degree in co-relation 160. Up to 12 conditions per place. [2021-06-11 07:05:15,883 INFO L151 LiptonReduction]: Number of co-enabled transitions 2966 [2021-06-11 07:05:15,972 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:15,974 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 07:05:15,974 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:15,975 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 07:05:15,975 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 07:05:15,994 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:15,995 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:05:16,003 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:16,003 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:05:16,020 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:16,021 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:05:16,051 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:16,053 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:05:16,117 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:16,139 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:05:16,160 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:16,160 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:05:16,173 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:16,173 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:05:16,193 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:16,194 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:05:16,214 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:16,214 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:05:16,264 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:16,264 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:05:16,287 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:16,287 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:05:16,336 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:16,337 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 07:05:16,338 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:16,338 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 07:05:16,338 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 07:05:16,345 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:16,346 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:05:16,351 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:16,356 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:05:16,379 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:16,380 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:05:16,402 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:16,403 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:05:16,521 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:16,522 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:05:16,540 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:16,541 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:05:16,560 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:16,560 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:05:16,594 INFO L142 QuantifierPusher]: treesize reduction 8, result has 33.3 percent of original size [2021-06-11 07:05:16,594 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:05:16,628 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:16,629 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:05:16,680 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:16,682 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 07:05:16,692 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:16,692 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 07:05:16,693 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 07:05:16,713 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:16,714 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:05:16,728 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:16,729 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:05:16,762 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:16,763 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:05:16,784 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:16,784 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:05:16,808 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:16,809 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:05:16,825 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:16,826 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:05:16,844 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:16,846 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:05:16,865 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:16,865 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:05:16,891 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:16,892 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:05:16,929 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:16,930 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:05:17,035 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:17,036 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 07:05:17,036 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:17,037 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 07:05:17,037 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 07:05:17,061 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:17,061 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:05:17,194 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:17,197 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 07:05:17,198 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:17,198 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 07:05:17,198 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:17,199 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 07:05:17,199 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 07:05:17,199 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 07:05:17,200 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:17,200 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 07:05:17,201 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:17,201 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 07:05:17,201 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-11 07:05:17,202 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 07:05:17,202 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:17,202 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-11 07:05:17,204 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-06-11 07:05:17,236 INFO L142 QuantifierPusher]: treesize reduction 2, result has 95.6 percent of original size [2021-06-11 07:05:17,237 INFO L147 QuantifierPusher]: treesize reduction 6, result has 14.3 percent of original size 1 [2021-06-11 07:05:17,420 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:17,422 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 07:05:17,422 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:17,423 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 07:05:17,423 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-06-11 07:05:17,619 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:17,621 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 07:05:17,622 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:17,622 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 07:05:17,622 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:17,622 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 07:05:17,623 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 07:05:17,623 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 07:05:17,623 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:17,624 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 07:05:17,624 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:17,624 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 07:05:17,625 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-11 07:05:17,625 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 07:05:17,625 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:17,626 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-11 07:05:17,628 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-06-11 07:05:17,661 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:17,662 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:05:17,712 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:17,713 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:05:17,875 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 82 [2021-06-11 07:05:18,107 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 82 [2021-06-11 07:05:18,181 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:18,184 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 07:05:18,185 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:18,185 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 07:05:18,186 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:18,186 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 07:05:18,187 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 07:05:18,187 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 07:05:18,187 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:18,188 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 07:05:18,188 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:18,188 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 07:05:18,189 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-11 07:05:18,189 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 07:05:18,190 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:18,190 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-11 07:05:18,192 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-06-11 07:05:18,516 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:18,516 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:05:18,519 INFO L163 LiptonReduction]: Checked pairs total: 3713 [2021-06-11 07:05:18,519 INFO L165 LiptonReduction]: Total number of compositions: 68 [2021-06-11 07:05:18,520 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2649 [2021-06-11 07:05:18,521 INFO L129 PetriNetUnfolder]: 0/4 cut-off events. [2021-06-11 07:05:18,521 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-06-11 07:05:18,521 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 07:05:18,521 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1] [2021-06-11 07:05:18,521 INFO L428 AbstractCegarLoop]: === Iteration 1 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-11 07:05:18,522 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 07:05:18,522 INFO L82 PathProgramCache]: Analyzing trace with hash 957994, now seen corresponding path program 1 times [2021-06-11 07:05:18,522 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 07:05:18,522 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [349649738] [2021-06-11 07:05:18,522 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 07:05:18,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 07:05:18,534 INFO L142 QuantifierPusher]: treesize reduction 5, result has 37.5 percent of original size [2021-06-11 07:05:18,534 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:05:18,537 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 07:05:18,537 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [349649738] [2021-06-11 07:05:18,537 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 07:05:18,537 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-06-11 07:05:18,538 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2034355925] [2021-06-11 07:05:18,538 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-11 07:05:18,538 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 07:05:18,538 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-11 07:05:18,538 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-11 07:05:18,539 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 136 out of 200 [2021-06-11 07:05:18,540 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 39 places, 25 transitions, 98 flow. Second operand has 3 states, 3 states have (on average 136.66666666666666) internal successors, (410), 3 states have internal predecessors, (410), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 07:05:18,540 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 07:05:18,540 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 136 of 200 [2021-06-11 07:05:18,540 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 07:05:18,797 INFO L129 PetriNetUnfolder]: 2467/3400 cut-off events. [2021-06-11 07:05:18,797 INFO L130 PetriNetUnfolder]: For 30/30 co-relation queries the response was YES. [2021-06-11 07:05:18,806 INFO L84 FinitePrefix]: Finished finitePrefix Result has 6810 conditions, 3400 events. 2467/3400 cut-off events. For 30/30 co-relation queries the response was YES. Maximal size of possible extension queue 285. Compared 16470 event pairs, 1152 based on Foata normal form. 0/3042 useless extension candidates. Maximal degree in co-relation 6797. Up to 2647 conditions per place. [2021-06-11 07:05:18,821 INFO L132 encePairwiseOnDemand]: 191/200 looper letters, 17 selfloop transitions, 7 changer transitions 0/35 dead transitions. [2021-06-11 07:05:18,821 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 40 places, 35 transitions, 166 flow [2021-06-11 07:05:18,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-11 07:05:18,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-06-11 07:05:18,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 435 transitions. [2021-06-11 07:05:18,823 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.725 [2021-06-11 07:05:18,823 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 435 transitions. [2021-06-11 07:05:18,823 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 435 transitions. [2021-06-11 07:05:18,823 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 07:05:18,823 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 435 transitions. [2021-06-11 07:05:18,824 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 145.0) internal successors, (435), 3 states have internal predecessors, (435), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 07:05:18,825 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 200.0) internal successors, (800), 4 states have internal predecessors, (800), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 07:05:18,826 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 200.0) internal successors, (800), 4 states have internal predecessors, (800), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 07:05:18,826 INFO L185 Difference]: Start difference. First operand has 39 places, 25 transitions, 98 flow. Second operand 3 states and 435 transitions. [2021-06-11 07:05:18,826 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 40 places, 35 transitions, 166 flow [2021-06-11 07:05:18,826 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 39 places, 35 transitions, 145 flow, removed 10 selfloop flow, removed 1 redundant places. [2021-06-11 07:05:18,827 INFO L241 Difference]: Finished difference. Result has 41 places, 30 transitions, 129 flow [2021-06-11 07:05:18,827 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=200, PETRI_DIFFERENCE_MINUEND_FLOW=75, PETRI_DIFFERENCE_MINUEND_PLACES=37, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=24, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=17, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=129, PETRI_PLACES=41, PETRI_TRANSITIONS=30} [2021-06-11 07:05:18,827 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 2 predicate places. [2021-06-11 07:05:18,827 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 07:05:18,828 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 41 places, 30 transitions, 129 flow [2021-06-11 07:05:18,828 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 41 places, 30 transitions, 129 flow [2021-06-11 07:05:18,828 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 41 places, 30 transitions, 129 flow [2021-06-11 07:05:18,849 INFO L129 PetriNetUnfolder]: 248/404 cut-off events. [2021-06-11 07:05:18,849 INFO L130 PetriNetUnfolder]: For 54/152 co-relation queries the response was YES. [2021-06-11 07:05:18,850 INFO L84 FinitePrefix]: Finished finitePrefix Result has 920 conditions, 404 events. 248/404 cut-off events. For 54/152 co-relation queries the response was YES. Maximal size of possible extension queue 54. Compared 1666 event pairs, 95 based on Foata normal form. 0/339 useless extension candidates. Maximal degree in co-relation 906. Up to 342 conditions per place. [2021-06-11 07:05:18,854 INFO L151 LiptonReduction]: Number of co-enabled transitions 360 [2021-06-11 07:05:18,870 INFO L163 LiptonReduction]: Checked pairs total: 210 [2021-06-11 07:05:18,870 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 07:05:18,870 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 43 [2021-06-11 07:05:18,871 INFO L480 AbstractCegarLoop]: Abstraction has has 41 places, 30 transitions, 129 flow [2021-06-11 07:05:18,871 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 136.66666666666666) internal successors, (410), 3 states have internal predecessors, (410), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 07:05:18,871 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 07:05:18,871 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 07:05:18,871 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-06-11 07:05:18,871 INFO L428 AbstractCegarLoop]: === Iteration 2 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-11 07:05:18,871 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 07:05:18,872 INFO L82 PathProgramCache]: Analyzing trace with hash -1334661723, now seen corresponding path program 1 times [2021-06-11 07:05:18,872 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 07:05:18,872 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [369813844] [2021-06-11 07:05:18,872 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 07:05:18,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 07:05:18,894 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:18,894 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:05:18,897 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:18,897 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:05:18,901 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:18,901 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:05:18,905 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 07:05:18,905 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [369813844] [2021-06-11 07:05:18,905 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 07:05:18,905 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-06-11 07:05:18,905 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1062949690] [2021-06-11 07:05:18,906 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-06-11 07:05:18,906 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 07:05:18,907 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-06-11 07:05:18,907 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-06-11 07:05:18,907 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 133 out of 200 [2021-06-11 07:05:18,908 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 41 places, 30 transitions, 129 flow. Second operand has 5 states, 5 states have (on average 134.0) internal successors, (670), 5 states have internal predecessors, (670), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 07:05:18,908 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 07:05:18,908 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 133 of 200 [2021-06-11 07:05:18,908 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 07:05:19,351 INFO L129 PetriNetUnfolder]: 4033/5731 cut-off events. [2021-06-11 07:05:19,351 INFO L130 PetriNetUnfolder]: For 961/961 co-relation queries the response was YES. [2021-06-11 07:05:19,377 INFO L84 FinitePrefix]: Finished finitePrefix Result has 16016 conditions, 5731 events. 4033/5731 cut-off events. For 961/961 co-relation queries the response was YES. Maximal size of possible extension queue 520. Compared 32814 event pairs, 692 based on Foata normal form. 81/5627 useless extension candidates. Maximal degree in co-relation 16000. Up to 2926 conditions per place. [2021-06-11 07:05:19,410 INFO L132 encePairwiseOnDemand]: 192/200 looper letters, 47 selfloop transitions, 21 changer transitions 0/78 dead transitions. [2021-06-11 07:05:19,410 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 46 places, 78 transitions, 463 flow [2021-06-11 07:05:19,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-11 07:05:19,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-06-11 07:05:19,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 853 transitions. [2021-06-11 07:05:19,412 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7108333333333333 [2021-06-11 07:05:19,413 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 853 transitions. [2021-06-11 07:05:19,413 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 853 transitions. [2021-06-11 07:05:19,413 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 07:05:19,413 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 853 transitions. [2021-06-11 07:05:19,414 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 142.16666666666666) internal successors, (853), 6 states have internal predecessors, (853), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 07:05:19,416 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 200.0) internal successors, (1400), 7 states have internal predecessors, (1400), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 07:05:19,417 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 200.0) internal successors, (1400), 7 states have internal predecessors, (1400), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 07:05:19,417 INFO L185 Difference]: Start difference. First operand has 41 places, 30 transitions, 129 flow. Second operand 6 states and 853 transitions. [2021-06-11 07:05:19,417 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 46 places, 78 transitions, 463 flow [2021-06-11 07:05:19,427 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 44 places, 78 transitions, 409 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-06-11 07:05:19,428 INFO L241 Difference]: Finished difference. Result has 47 places, 54 transitions, 314 flow [2021-06-11 07:05:19,428 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=200, PETRI_DIFFERENCE_MINUEND_FLOW=115, PETRI_DIFFERENCE_MINUEND_PLACES=39, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=30, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=18, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=314, PETRI_PLACES=47, PETRI_TRANSITIONS=54} [2021-06-11 07:05:19,428 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 8 predicate places. [2021-06-11 07:05:19,428 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 07:05:19,428 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 47 places, 54 transitions, 314 flow [2021-06-11 07:05:19,428 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 47 places, 54 transitions, 314 flow [2021-06-11 07:05:19,429 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 47 places, 54 transitions, 314 flow [2021-06-11 07:05:19,480 INFO L129 PetriNetUnfolder]: 543/886 cut-off events. [2021-06-11 07:05:19,480 INFO L130 PetriNetUnfolder]: For 657/4393 co-relation queries the response was YES. [2021-06-11 07:05:19,483 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2735 conditions, 886 events. 543/886 cut-off events. For 657/4393 co-relation queries the response was YES. Maximal size of possible extension queue 106. Compared 4572 event pairs, 153 based on Foata normal form. 2/781 useless extension candidates. Maximal degree in co-relation 2718. Up to 771 conditions per place. [2021-06-11 07:05:19,492 INFO L151 LiptonReduction]: Number of co-enabled transitions 780 [2021-06-11 07:05:19,498 INFO L163 LiptonReduction]: Checked pairs total: 1106 [2021-06-11 07:05:19,498 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 07:05:19,499 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 71 [2021-06-11 07:05:19,500 INFO L480 AbstractCegarLoop]: Abstraction has has 47 places, 54 transitions, 314 flow [2021-06-11 07:05:19,500 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 134.0) internal successors, (670), 5 states have internal predecessors, (670), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 07:05:19,500 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 07:05:19,500 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 07:05:19,500 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-06-11 07:05:19,501 INFO L428 AbstractCegarLoop]: === Iteration 3 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-11 07:05:19,501 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 07:05:19,501 INFO L82 PathProgramCache]: Analyzing trace with hash 1738857692, now seen corresponding path program 1 times [2021-06-11 07:05:19,501 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 07:05:19,501 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1409014958] [2021-06-11 07:05:19,501 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 07:05:19,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 07:05:19,522 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:19,522 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:05:19,525 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:19,525 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:05:19,528 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:19,528 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:05:19,532 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-06-11 07:05:19,533 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1409014958] [2021-06-11 07:05:19,533 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 07:05:19,533 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-06-11 07:05:19,533 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1069498634] [2021-06-11 07:05:19,533 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-06-11 07:05:19,533 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 07:05:19,533 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-06-11 07:05:19,534 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-06-11 07:05:19,535 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 134 out of 200 [2021-06-11 07:05:19,536 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 47 places, 54 transitions, 314 flow. Second operand has 5 states, 5 states have (on average 135.0) internal successors, (675), 5 states have internal predecessors, (675), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 07:05:19,536 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 07:05:19,536 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 134 of 200 [2021-06-11 07:05:19,536 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 07:05:20,199 INFO L129 PetriNetUnfolder]: 6464/9475 cut-off events. [2021-06-11 07:05:20,199 INFO L130 PetriNetUnfolder]: For 6915/6915 co-relation queries the response was YES. [2021-06-11 07:05:20,236 INFO L84 FinitePrefix]: Finished finitePrefix Result has 31605 conditions, 9475 events. 6464/9475 cut-off events. For 6915/6915 co-relation queries the response was YES. Maximal size of possible extension queue 917. Compared 62092 event pairs, 2502 based on Foata normal form. 127/9378 useless extension candidates. Maximal degree in co-relation 31586. Up to 5058 conditions per place. [2021-06-11 07:05:20,294 INFO L132 encePairwiseOnDemand]: 192/200 looper letters, 73 selfloop transitions, 36 changer transitions 0/119 dead transitions. [2021-06-11 07:05:20,294 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 52 places, 119 transitions, 891 flow [2021-06-11 07:05:20,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-11 07:05:20,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-06-11 07:05:20,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 860 transitions. [2021-06-11 07:05:20,297 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7166666666666667 [2021-06-11 07:05:20,297 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 860 transitions. [2021-06-11 07:05:20,297 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 860 transitions. [2021-06-11 07:05:20,297 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 07:05:20,297 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 860 transitions. [2021-06-11 07:05:20,299 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 143.33333333333334) internal successors, (860), 6 states have internal predecessors, (860), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 07:05:20,301 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 200.0) internal successors, (1400), 7 states have internal predecessors, (1400), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 07:05:20,301 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 200.0) internal successors, (1400), 7 states have internal predecessors, (1400), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 07:05:20,301 INFO L185 Difference]: Start difference. First operand has 47 places, 54 transitions, 314 flow. Second operand 6 states and 860 transitions. [2021-06-11 07:05:20,301 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 52 places, 119 transitions, 891 flow [2021-06-11 07:05:20,316 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 52 places, 119 transitions, 891 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-06-11 07:05:20,318 INFO L241 Difference]: Finished difference. Result has 55 places, 80 transitions, 647 flow [2021-06-11 07:05:20,318 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=200, PETRI_DIFFERENCE_MINUEND_FLOW=314, PETRI_DIFFERENCE_MINUEND_PLACES=47, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=54, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=25, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=647, PETRI_PLACES=55, PETRI_TRANSITIONS=80} [2021-06-11 07:05:20,318 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 16 predicate places. [2021-06-11 07:05:20,318 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 07:05:20,318 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 55 places, 80 transitions, 647 flow [2021-06-11 07:05:20,319 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 55 places, 80 transitions, 647 flow [2021-06-11 07:05:20,319 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 55 places, 80 transitions, 647 flow [2021-06-11 07:05:20,464 INFO L129 PetriNetUnfolder]: 1138/1896 cut-off events. [2021-06-11 07:05:20,465 INFO L130 PetriNetUnfolder]: For 3843/32219 co-relation queries the response was YES. [2021-06-11 07:05:20,471 INFO L84 FinitePrefix]: Finished finitePrefix Result has 7729 conditions, 1896 events. 1138/1896 cut-off events. For 3843/32219 co-relation queries the response was YES. Maximal size of possible extension queue 212. Compared 11505 event pairs, 238 based on Foata normal form. 3/1721 useless extension candidates. Maximal degree in co-relation 7707. Up to 1661 conditions per place. [2021-06-11 07:05:20,493 INFO L151 LiptonReduction]: Number of co-enabled transitions 1198 [2021-06-11 07:05:20,506 INFO L163 LiptonReduction]: Checked pairs total: 2160 [2021-06-11 07:05:20,506 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 07:05:20,506 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 188 [2021-06-11 07:05:20,506 INFO L480 AbstractCegarLoop]: Abstraction has has 55 places, 80 transitions, 647 flow [2021-06-11 07:05:20,507 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 135.0) internal successors, (675), 5 states have internal predecessors, (675), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 07:05:20,507 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 07:05:20,507 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 07:05:20,507 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-06-11 07:05:20,507 INFO L428 AbstractCegarLoop]: === Iteration 4 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-11 07:05:20,507 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 07:05:20,508 INFO L82 PathProgramCache]: Analyzing trace with hash 303102743, now seen corresponding path program 1 times [2021-06-11 07:05:20,508 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 07:05:20,508 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [729900830] [2021-06-11 07:05:20,508 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 07:05:20,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 07:05:20,534 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:20,534 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:05:20,537 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:20,537 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:05:20,540 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:20,540 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:05:20,544 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:20,545 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:05:20,549 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:20,549 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:05:20,555 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-06-11 07:05:20,556 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [729900830] [2021-06-11 07:05:20,556 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 07:05:20,556 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-06-11 07:05:20,556 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [714904450] [2021-06-11 07:05:20,556 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-06-11 07:05:20,557 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 07:05:20,557 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-06-11 07:05:20,557 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-06-11 07:05:20,558 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 131 out of 200 [2021-06-11 07:05:20,559 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 55 places, 80 transitions, 647 flow. Second operand has 7 states, 7 states have (on average 132.14285714285714) internal successors, (925), 7 states have internal predecessors, (925), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 07:05:20,559 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 07:05:20,559 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 131 of 200 [2021-06-11 07:05:20,559 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 07:05:21,473 INFO L129 PetriNetUnfolder]: 6883/10223 cut-off events. [2021-06-11 07:05:21,473 INFO L130 PetriNetUnfolder]: For 16469/16469 co-relation queries the response was YES. [2021-06-11 07:05:21,500 INFO L84 FinitePrefix]: Finished finitePrefix Result has 40827 conditions, 10223 events. 6883/10223 cut-off events. For 16469/16469 co-relation queries the response was YES. Maximal size of possible extension queue 1006. Compared 68974 event pairs, 1576 based on Foata normal form. 27/9996 useless extension candidates. Maximal degree in co-relation 40803. Up to 5468 conditions per place. [2021-06-11 07:05:21,558 INFO L132 encePairwiseOnDemand]: 191/200 looper letters, 93 selfloop transitions, 72 changer transitions 0/174 dead transitions. [2021-06-11 07:05:21,559 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 67 places, 174 transitions, 1483 flow [2021-06-11 07:05:21,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-11 07:05:21,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-06-11 07:05:21,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1823 transitions. [2021-06-11 07:05:21,563 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7011538461538461 [2021-06-11 07:05:21,563 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 1823 transitions. [2021-06-11 07:05:21,563 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 1823 transitions. [2021-06-11 07:05:21,564 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 07:05:21,564 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 1823 transitions. [2021-06-11 07:05:21,567 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 140.23076923076923) internal successors, (1823), 13 states have internal predecessors, (1823), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 07:05:21,571 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 200.0) internal successors, (2800), 14 states have internal predecessors, (2800), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 07:05:21,572 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 200.0) internal successors, (2800), 14 states have internal predecessors, (2800), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 07:05:21,572 INFO L185 Difference]: Start difference. First operand has 55 places, 80 transitions, 647 flow. Second operand 13 states and 1823 transitions. [2021-06-11 07:05:21,572 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 67 places, 174 transitions, 1483 flow [2021-06-11 07:05:21,627 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 66 places, 174 transitions, 1463 flow, removed 6 selfloop flow, removed 1 redundant places. [2021-06-11 07:05:21,630 INFO L241 Difference]: Finished difference. Result has 69 places, 105 transitions, 1059 flow [2021-06-11 07:05:21,630 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=200, PETRI_DIFFERENCE_MINUEND_FLOW=633, PETRI_DIFFERENCE_MINUEND_PLACES=54, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=80, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=47, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=24, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=1059, PETRI_PLACES=69, PETRI_TRANSITIONS=105} [2021-06-11 07:05:21,630 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 30 predicate places. [2021-06-11 07:05:21,630 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 07:05:21,630 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 69 places, 105 transitions, 1059 flow [2021-06-11 07:05:21,630 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 69 places, 105 transitions, 1059 flow [2021-06-11 07:05:21,631 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 69 places, 105 transitions, 1059 flow [2021-06-11 07:05:21,803 INFO L129 PetriNetUnfolder]: 1353/2265 cut-off events. [2021-06-11 07:05:21,804 INFO L130 PetriNetUnfolder]: For 9135/54421 co-relation queries the response was YES. [2021-06-11 07:05:21,812 INFO L84 FinitePrefix]: Finished finitePrefix Result has 11276 conditions, 2265 events. 1353/2265 cut-off events. For 9135/54421 co-relation queries the response was YES. Maximal size of possible extension queue 248. Compared 13968 event pairs, 266 based on Foata normal form. 9/2033 useless extension candidates. Maximal degree in co-relation 11250. Up to 1961 conditions per place. [2021-06-11 07:05:21,842 INFO L151 LiptonReduction]: Number of co-enabled transitions 1578 [2021-06-11 07:05:21,848 INFO L163 LiptonReduction]: Checked pairs total: 4080 [2021-06-11 07:05:21,848 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 07:05:21,849 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 219 [2021-06-11 07:05:21,849 INFO L480 AbstractCegarLoop]: Abstraction has has 69 places, 105 transitions, 1059 flow [2021-06-11 07:05:21,850 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 132.14285714285714) internal successors, (925), 7 states have internal predecessors, (925), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 07:05:21,850 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 07:05:21,850 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 07:05:21,850 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2021-06-11 07:05:21,850 INFO L428 AbstractCegarLoop]: === Iteration 5 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-11 07:05:21,850 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 07:05:21,850 INFO L82 PathProgramCache]: Analyzing trace with hash 299977943, now seen corresponding path program 2 times [2021-06-11 07:05:21,850 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 07:05:21,851 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [629900749] [2021-06-11 07:05:21,851 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 07:05:21,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 07:05:21,866 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:21,867 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:05:21,869 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:21,869 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:05:21,873 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:21,873 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:05:21,877 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:21,877 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:05:21,882 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:21,882 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:05:21,888 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-06-11 07:05:21,888 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [629900749] [2021-06-11 07:05:21,888 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 07:05:21,888 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-06-11 07:05:21,888 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2089397563] [2021-06-11 07:05:21,888 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-06-11 07:05:21,888 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 07:05:21,889 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-06-11 07:05:21,889 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-06-11 07:05:21,890 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 131 out of 200 [2021-06-11 07:05:21,891 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 69 places, 105 transitions, 1059 flow. Second operand has 7 states, 7 states have (on average 132.14285714285714) internal successors, (925), 7 states have internal predecessors, (925), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 07:05:21,891 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 07:05:21,891 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 131 of 200 [2021-06-11 07:05:21,891 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 07:05:22,878 INFO L129 PetriNetUnfolder]: 7301/10905 cut-off events. [2021-06-11 07:05:22,878 INFO L130 PetriNetUnfolder]: For 30537/30537 co-relation queries the response was YES. [2021-06-11 07:05:22,955 INFO L84 FinitePrefix]: Finished finitePrefix Result has 50005 conditions, 10905 events. 7301/10905 cut-off events. For 30537/30537 co-relation queries the response was YES. Maximal size of possible extension queue 1094. Compared 75422 event pairs, 1648 based on Foata normal form. 27/10719 useless extension candidates. Maximal degree in co-relation 49977. Up to 5878 conditions per place. [2021-06-11 07:05:23,007 INFO L132 encePairwiseOnDemand]: 191/200 looper letters, 104 selfloop transitions, 86 changer transitions 0/199 dead transitions. [2021-06-11 07:05:23,008 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 81 places, 199 transitions, 2023 flow [2021-06-11 07:05:23,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-11 07:05:23,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-06-11 07:05:23,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1823 transitions. [2021-06-11 07:05:23,011 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7011538461538461 [2021-06-11 07:05:23,011 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 1823 transitions. [2021-06-11 07:05:23,011 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 1823 transitions. [2021-06-11 07:05:23,011 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 07:05:23,011 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 1823 transitions. [2021-06-11 07:05:23,014 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 140.23076923076923) internal successors, (1823), 13 states have internal predecessors, (1823), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 07:05:23,018 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 200.0) internal successors, (2800), 14 states have internal predecessors, (2800), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 07:05:23,018 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 200.0) internal successors, (2800), 14 states have internal predecessors, (2800), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 07:05:23,019 INFO L185 Difference]: Start difference. First operand has 69 places, 105 transitions, 1059 flow. Second operand 13 states and 1823 transitions. [2021-06-11 07:05:23,019 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 81 places, 199 transitions, 2023 flow [2021-06-11 07:05:23,482 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 75 places, 199 transitions, 1901 flow, removed 22 selfloop flow, removed 6 redundant places. [2021-06-11 07:05:23,484 INFO L241 Difference]: Finished difference. Result has 78 places, 128 transitions, 1427 flow [2021-06-11 07:05:23,485 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=200, PETRI_DIFFERENCE_MINUEND_FLOW=953, PETRI_DIFFERENCE_MINUEND_PLACES=63, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=105, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=63, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=33, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=1427, PETRI_PLACES=78, PETRI_TRANSITIONS=128} [2021-06-11 07:05:23,485 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 39 predicate places. [2021-06-11 07:05:23,485 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 07:05:23,485 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 78 places, 128 transitions, 1427 flow [2021-06-11 07:05:23,485 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 78 places, 128 transitions, 1427 flow [2021-06-11 07:05:23,486 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 78 places, 128 transitions, 1427 flow [2021-06-11 07:05:23,756 INFO L129 PetriNetUnfolder]: 1575/2641 cut-off events. [2021-06-11 07:05:23,756 INFO L130 PetriNetUnfolder]: For 17195/78898 co-relation queries the response was YES. [2021-06-11 07:05:23,764 INFO L84 FinitePrefix]: Finished finitePrefix Result has 15102 conditions, 2641 events. 1575/2641 cut-off events. For 17195/78898 co-relation queries the response was YES. Maximal size of possible extension queue 305. Compared 17498 event pairs, 284 based on Foata normal form. 9/2410 useless extension candidates. Maximal degree in co-relation 15074. Up to 2283 conditions per place. [2021-06-11 07:05:23,797 INFO L151 LiptonReduction]: Number of co-enabled transitions 1900 [2021-06-11 07:05:23,805 INFO L163 LiptonReduction]: Checked pairs total: 6693 [2021-06-11 07:05:23,805 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 07:05:23,805 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 320 [2021-06-11 07:05:23,806 INFO L480 AbstractCegarLoop]: Abstraction has has 78 places, 128 transitions, 1427 flow [2021-06-11 07:05:23,807 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 132.14285714285714) internal successors, (925), 7 states have internal predecessors, (925), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 07:05:23,807 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 07:05:23,807 INFO L263 CegarLoopForPetriNet]: trace histogram [3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 07:05:23,807 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2021-06-11 07:05:23,807 INFO L428 AbstractCegarLoop]: === Iteration 6 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-11 07:05:23,808 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 07:05:23,808 INFO L82 PathProgramCache]: Analyzing trace with hash 644971237, now seen corresponding path program 1 times [2021-06-11 07:05:23,808 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 07:05:23,808 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1181857332] [2021-06-11 07:05:23,808 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 07:05:23,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 07:05:23,823 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:23,823 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:05:23,826 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:23,826 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:05:23,829 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:23,830 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:05:23,834 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-06-11 07:05:23,834 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1181857332] [2021-06-11 07:05:23,834 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 07:05:23,834 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-06-11 07:05:23,834 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2085944622] [2021-06-11 07:05:23,835 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-06-11 07:05:23,835 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 07:05:23,835 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-06-11 07:05:23,835 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-06-11 07:05:23,836 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 133 out of 200 [2021-06-11 07:05:23,836 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 78 places, 128 transitions, 1427 flow. Second operand has 5 states, 5 states have (on average 134.0) internal successors, (670), 5 states have internal predecessors, (670), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 07:05:23,836 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 07:05:23,836 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 133 of 200 [2021-06-11 07:05:23,837 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 07:05:25,745 INFO L129 PetriNetUnfolder]: 11374/17572 cut-off events. [2021-06-11 07:05:25,745 INFO L130 PetriNetUnfolder]: For 75718/75749 co-relation queries the response was YES. [2021-06-11 07:05:25,817 INFO L84 FinitePrefix]: Finished finitePrefix Result has 92175 conditions, 17572 events. 11374/17572 cut-off events. For 75718/75749 co-relation queries the response was YES. Maximal size of possible extension queue 1827. Compared 138425 event pairs, 2626 based on Foata normal form. 231/17568 useless extension candidates. Maximal degree in co-relation 92145. Up to 9930 conditions per place. [2021-06-11 07:05:25,902 INFO L132 encePairwiseOnDemand]: 192/200 looper letters, 191 selfloop transitions, 72 changer transitions 0/273 dead transitions. [2021-06-11 07:05:25,902 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 83 places, 273 transitions, 3593 flow [2021-06-11 07:05:25,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-11 07:05:25,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-06-11 07:05:25,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 854 transitions. [2021-06-11 07:05:25,904 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7116666666666667 [2021-06-11 07:05:25,904 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 854 transitions. [2021-06-11 07:05:25,904 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 854 transitions. [2021-06-11 07:05:25,904 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 07:05:25,904 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 854 transitions. [2021-06-11 07:05:25,905 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 142.33333333333334) internal successors, (854), 6 states have internal predecessors, (854), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 07:05:25,907 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 200.0) internal successors, (1400), 7 states have internal predecessors, (1400), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 07:05:25,907 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 200.0) internal successors, (1400), 7 states have internal predecessors, (1400), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 07:05:25,907 INFO L185 Difference]: Start difference. First operand has 78 places, 128 transitions, 1427 flow. Second operand 6 states and 854 transitions. [2021-06-11 07:05:25,907 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 83 places, 273 transitions, 3593 flow [2021-06-11 07:05:26,400 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 74 places, 273 transitions, 3264 flow, removed 24 selfloop flow, removed 9 redundant places. [2021-06-11 07:05:26,403 INFO L241 Difference]: Finished difference. Result has 77 places, 183 transitions, 2211 flow [2021-06-11 07:05:26,403 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=200, PETRI_DIFFERENCE_MINUEND_FLOW=1263, PETRI_DIFFERENCE_MINUEND_PLACES=69, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=128, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=17, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=68, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=2211, PETRI_PLACES=77, PETRI_TRANSITIONS=183} [2021-06-11 07:05:26,403 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 38 predicate places. [2021-06-11 07:05:26,403 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 07:05:26,403 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 77 places, 183 transitions, 2211 flow [2021-06-11 07:05:26,404 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 77 places, 183 transitions, 2211 flow [2021-06-11 07:05:26,405 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 77 places, 183 transitions, 2211 flow [2021-06-11 07:05:26,922 INFO L129 PetriNetUnfolder]: 3104/5377 cut-off events. [2021-06-11 07:05:26,922 INFO L130 PetriNetUnfolder]: For 41870/180562 co-relation queries the response was YES. [2021-06-11 07:05:26,944 INFO L84 FinitePrefix]: Finished finitePrefix Result has 33037 conditions, 5377 events. 3104/5377 cut-off events. For 41870/180562 co-relation queries the response was YES. Maximal size of possible extension queue 597. Compared 41392 event pairs, 420 based on Foata normal form. 29/5023 useless extension candidates. Maximal degree in co-relation 33006. Up to 4627 conditions per place. [2021-06-11 07:05:26,999 INFO L151 LiptonReduction]: Number of co-enabled transitions 2718 [2021-06-11 07:05:27,012 INFO L163 LiptonReduction]: Checked pairs total: 8670 [2021-06-11 07:05:27,013 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 07:05:27,013 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 610 [2021-06-11 07:05:27,013 INFO L480 AbstractCegarLoop]: Abstraction has has 77 places, 183 transitions, 2211 flow [2021-06-11 07:05:27,014 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 134.0) internal successors, (670), 5 states have internal predecessors, (670), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 07:05:27,014 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 07:05:27,014 INFO L263 CegarLoopForPetriNet]: trace histogram [3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 07:05:27,014 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2021-06-11 07:05:27,014 INFO L428 AbstractCegarLoop]: === Iteration 7 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-11 07:05:27,014 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 07:05:27,014 INFO L82 PathProgramCache]: Analyzing trace with hash 1340207328, now seen corresponding path program 1 times [2021-06-11 07:05:27,015 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 07:05:27,015 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [929668314] [2021-06-11 07:05:27,015 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 07:05:27,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 07:05:27,034 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:27,034 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:05:27,037 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:27,037 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:05:27,040 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:27,040 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:05:27,044 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:27,045 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:05:27,049 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:27,049 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:05:27,055 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-06-11 07:05:27,055 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [929668314] [2021-06-11 07:05:27,055 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 07:05:27,055 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-06-11 07:05:27,055 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2075014239] [2021-06-11 07:05:27,056 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-06-11 07:05:27,056 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 07:05:27,056 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-06-11 07:05:27,056 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-06-11 07:05:27,057 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 130 out of 200 [2021-06-11 07:05:27,058 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 77 places, 183 transitions, 2211 flow. Second operand has 7 states, 7 states have (on average 131.14285714285714) internal successors, (918), 7 states have internal predecessors, (918), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 07:05:27,058 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 07:05:27,058 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 130 of 200 [2021-06-11 07:05:27,058 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 07:05:29,322 INFO L129 PetriNetUnfolder]: 12156/19035 cut-off events. [2021-06-11 07:05:29,322 INFO L130 PetriNetUnfolder]: For 114195/114232 co-relation queries the response was YES. [2021-06-11 07:05:29,415 INFO L84 FinitePrefix]: Finished finitePrefix Result has 107418 conditions, 19035 events. 12156/19035 cut-off events. For 114195/114232 co-relation queries the response was YES. Maximal size of possible extension queue 2025. Compared 153107 event pairs, 3630 based on Foata normal form. 69/18808 useless extension candidates. Maximal degree in co-relation 107385. Up to 10832 conditions per place. [2021-06-11 07:05:29,644 INFO L132 encePairwiseOnDemand]: 191/200 looper letters, 171 selfloop transitions, 158 changer transitions 0/338 dead transitions. [2021-06-11 07:05:29,644 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 89 places, 338 transitions, 4384 flow [2021-06-11 07:05:29,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-11 07:05:29,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-06-11 07:05:29,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1812 transitions. [2021-06-11 07:05:29,647 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.696923076923077 [2021-06-11 07:05:29,647 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 1812 transitions. [2021-06-11 07:05:29,647 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 1812 transitions. [2021-06-11 07:05:29,647 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 07:05:29,647 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 1812 transitions. [2021-06-11 07:05:29,649 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 139.3846153846154) internal successors, (1812), 13 states have internal predecessors, (1812), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 07:05:29,652 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 200.0) internal successors, (2800), 14 states have internal predecessors, (2800), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 07:05:29,653 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 200.0) internal successors, (2800), 14 states have internal predecessors, (2800), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 07:05:29,653 INFO L185 Difference]: Start difference. First operand has 77 places, 183 transitions, 2211 flow. Second operand 13 states and 1812 transitions. [2021-06-11 07:05:29,653 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 89 places, 338 transitions, 4384 flow [2021-06-11 07:05:30,195 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 88 places, 338 transitions, 4297 flow, removed 37 selfloop flow, removed 1 redundant places. [2021-06-11 07:05:30,199 INFO L241 Difference]: Finished difference. Result has 91 places, 237 transitions, 3317 flow [2021-06-11 07:05:30,199 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=200, PETRI_DIFFERENCE_MINUEND_FLOW=2142, PETRI_DIFFERENCE_MINUEND_PLACES=76, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=183, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=104, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=62, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=3317, PETRI_PLACES=91, PETRI_TRANSITIONS=237} [2021-06-11 07:05:30,199 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 52 predicate places. [2021-06-11 07:05:30,199 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 07:05:30,199 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 91 places, 237 transitions, 3317 flow [2021-06-11 07:05:30,199 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 91 places, 237 transitions, 3317 flow [2021-06-11 07:05:30,201 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 91 places, 237 transitions, 3317 flow [2021-06-11 07:05:30,857 INFO L129 PetriNetUnfolder]: 3729/6502 cut-off events. [2021-06-11 07:05:30,857 INFO L130 PetriNetUnfolder]: For 71188/270666 co-relation queries the response was YES. [2021-06-11 07:05:30,886 INFO L84 FinitePrefix]: Finished finitePrefix Result has 44263 conditions, 6502 events. 3729/6502 cut-off events. For 71188/270666 co-relation queries the response was YES. Maximal size of possible extension queue 716. Compared 52077 event pairs, 473 based on Foata normal form. 52/6119 useless extension candidates. Maximal degree in co-relation 44228. Up to 5552 conditions per place. [2021-06-11 07:05:30,976 INFO L151 LiptonReduction]: Number of co-enabled transitions 3430 [2021-06-11 07:05:30,996 INFO L163 LiptonReduction]: Checked pairs total: 14781 [2021-06-11 07:05:30,996 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 07:05:30,996 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 797 [2021-06-11 07:05:30,997 INFO L480 AbstractCegarLoop]: Abstraction has has 91 places, 237 transitions, 3317 flow [2021-06-11 07:05:30,997 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 131.14285714285714) internal successors, (918), 7 states have internal predecessors, (918), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 07:05:30,997 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 07:05:30,997 INFO L263 CegarLoopForPetriNet]: trace histogram [3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 07:05:30,997 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2021-06-11 07:05:30,997 INFO L428 AbstractCegarLoop]: === Iteration 8 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-11 07:05:30,998 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 07:05:30,998 INFO L82 PathProgramCache]: Analyzing trace with hash 1337079273, now seen corresponding path program 1 times [2021-06-11 07:05:30,998 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 07:05:30,998 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [60214297] [2021-06-11 07:05:30,998 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 07:05:31,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 07:05:31,015 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:31,015 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:05:31,018 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:31,018 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:05:31,022 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:31,022 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:05:31,026 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:31,027 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:05:31,032 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:31,032 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:05:31,038 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-06-11 07:05:31,038 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [60214297] [2021-06-11 07:05:31,038 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 07:05:31,038 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-06-11 07:05:31,038 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [45747976] [2021-06-11 07:05:31,039 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-06-11 07:05:31,039 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 07:05:31,039 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-06-11 07:05:31,039 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-06-11 07:05:31,041 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 131 out of 200 [2021-06-11 07:05:31,041 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 91 places, 237 transitions, 3317 flow. Second operand has 7 states, 7 states have (on average 132.14285714285714) internal successors, (925), 7 states have internal predecessors, (925), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 07:05:31,041 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 07:05:31,041 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 131 of 200 [2021-06-11 07:05:31,041 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 07:05:33,629 INFO L129 PetriNetUnfolder]: 12863/20339 cut-off events. [2021-06-11 07:05:33,630 INFO L130 PetriNetUnfolder]: For 153364/153364 co-relation queries the response was YES. [2021-06-11 07:05:33,755 INFO L84 FinitePrefix]: Finished finitePrefix Result has 124944 conditions, 20339 events. 12863/20339 cut-off events. For 153364/153364 co-relation queries the response was YES. Maximal size of possible extension queue 2184. Compared 168418 event pairs, 3369 based on Foata normal form. 59/20170 useless extension candidates. Maximal degree in co-relation 124907. Up to 11668 conditions per place. [2021-06-11 07:05:33,869 INFO L132 encePairwiseOnDemand]: 191/200 looper letters, 232 selfloop transitions, 185 changer transitions 0/426 dead transitions. [2021-06-11 07:05:33,869 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 103 places, 426 transitions, 6275 flow [2021-06-11 07:05:33,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-11 07:05:33,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-06-11 07:05:33,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1826 transitions. [2021-06-11 07:05:33,874 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7023076923076923 [2021-06-11 07:05:33,874 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 1826 transitions. [2021-06-11 07:05:33,874 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 1826 transitions. [2021-06-11 07:05:33,874 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 07:05:33,874 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 1826 transitions. [2021-06-11 07:05:33,876 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 140.46153846153845) internal successors, (1826), 13 states have internal predecessors, (1826), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 07:05:33,878 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 200.0) internal successors, (2800), 14 states have internal predecessors, (2800), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 07:05:33,879 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 200.0) internal successors, (2800), 14 states have internal predecessors, (2800), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 07:05:33,879 INFO L185 Difference]: Start difference. First operand has 91 places, 237 transitions, 3317 flow. Second operand 13 states and 1826 transitions. [2021-06-11 07:05:33,879 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 103 places, 426 transitions, 6275 flow [2021-06-11 07:05:35,215 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 100 places, 426 transitions, 6104 flow, removed 64 selfloop flow, removed 3 redundant places. [2021-06-11 07:05:35,220 INFO L241 Difference]: Finished difference. Result has 103 places, 305 transitions, 4658 flow [2021-06-11 07:05:35,220 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=200, PETRI_DIFFERENCE_MINUEND_FLOW=3196, PETRI_DIFFERENCE_MINUEND_PLACES=88, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=237, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=117, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=100, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=4658, PETRI_PLACES=103, PETRI_TRANSITIONS=305} [2021-06-11 07:05:35,220 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 64 predicate places. [2021-06-11 07:05:35,220 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 07:05:35,220 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 103 places, 305 transitions, 4658 flow [2021-06-11 07:05:35,220 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 103 places, 305 transitions, 4658 flow [2021-06-11 07:05:35,222 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 103 places, 305 transitions, 4658 flow [2021-06-11 07:05:36,068 INFO L129 PetriNetUnfolder]: 4247/7457 cut-off events. [2021-06-11 07:05:36,068 INFO L130 PetriNetUnfolder]: For 97495/300713 co-relation queries the response was YES. [2021-06-11 07:05:36,120 INFO L84 FinitePrefix]: Finished finitePrefix Result has 55464 conditions, 7457 events. 4247/7457 cut-off events. For 97495/300713 co-relation queries the response was YES. Maximal size of possible extension queue 853. Compared 62581 event pairs, 511 based on Foata normal form. 48/7060 useless extension candidates. Maximal degree in co-relation 55426. Up to 6335 conditions per place. [2021-06-11 07:05:36,241 INFO L151 LiptonReduction]: Number of co-enabled transitions 4328 [2021-06-11 07:05:36,257 INFO L163 LiptonReduction]: Checked pairs total: 25428 [2021-06-11 07:05:36,257 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 07:05:36,257 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1037 [2021-06-11 07:05:36,258 INFO L480 AbstractCegarLoop]: Abstraction has has 103 places, 305 transitions, 4658 flow [2021-06-11 07:05:36,258 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 132.14285714285714) internal successors, (925), 7 states have internal predecessors, (925), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 07:05:36,258 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 07:05:36,258 INFO L263 CegarLoopForPetriNet]: trace histogram [3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 07:05:36,258 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2021-06-11 07:05:36,258 INFO L428 AbstractCegarLoop]: === Iteration 9 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-11 07:05:36,259 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 07:05:36,259 INFO L82 PathProgramCache]: Analyzing trace with hash 1342078953, now seen corresponding path program 2 times [2021-06-11 07:05:36,259 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 07:05:36,259 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1697389760] [2021-06-11 07:05:36,259 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 07:05:36,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 07:05:36,277 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:36,277 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:05:36,280 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:36,281 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:05:36,284 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:36,284 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:05:36,289 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:36,289 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:05:36,294 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:36,295 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:05:36,301 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-06-11 07:05:36,301 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1697389760] [2021-06-11 07:05:36,301 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 07:05:36,301 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-06-11 07:05:36,301 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [573570782] [2021-06-11 07:05:36,302 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-06-11 07:05:36,302 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 07:05:36,302 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-06-11 07:05:36,302 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-06-11 07:05:36,303 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 131 out of 200 [2021-06-11 07:05:36,304 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 103 places, 305 transitions, 4658 flow. Second operand has 7 states, 7 states have (on average 132.14285714285714) internal successors, (925), 7 states have internal predecessors, (925), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 07:05:36,304 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 07:05:36,304 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 131 of 200 [2021-06-11 07:05:36,304 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 07:05:39,241 INFO L129 PetriNetUnfolder]: 13431/21375 cut-off events. [2021-06-11 07:05:39,241 INFO L130 PetriNetUnfolder]: For 202540/202540 co-relation queries the response was YES. [2021-06-11 07:05:39,485 INFO L84 FinitePrefix]: Finished finitePrefix Result has 142219 conditions, 21375 events. 13431/21375 cut-off events. For 202540/202540 co-relation queries the response was YES. Maximal size of possible extension queue 2322. Compared 180601 event pairs, 3504 based on Foata normal form. 45/21191 useless extension candidates. Maximal degree in co-relation 142179. Up to 12302 conditions per place. [2021-06-11 07:05:39,619 INFO L132 encePairwiseOnDemand]: 191/200 looper letters, 252 selfloop transitions, 213 changer transitions 0/474 dead transitions. [2021-06-11 07:05:39,619 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 115 places, 474 transitions, 7518 flow [2021-06-11 07:05:39,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-11 07:05:39,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-06-11 07:05:39,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1826 transitions. [2021-06-11 07:05:39,621 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7023076923076923 [2021-06-11 07:05:39,621 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 1826 transitions. [2021-06-11 07:05:39,621 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 1826 transitions. [2021-06-11 07:05:39,621 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 07:05:39,621 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 1826 transitions. [2021-06-11 07:05:39,622 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 140.46153846153845) internal successors, (1826), 13 states have internal predecessors, (1826), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 07:05:39,624 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 200.0) internal successors, (2800), 14 states have internal predecessors, (2800), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 07:05:39,624 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 200.0) internal successors, (2800), 14 states have internal predecessors, (2800), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 07:05:39,624 INFO L185 Difference]: Start difference. First operand has 103 places, 305 transitions, 4658 flow. Second operand 13 states and 1826 transitions. [2021-06-11 07:05:39,624 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 115 places, 474 transitions, 7518 flow [2021-06-11 07:05:42,234 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 114 places, 474 transitions, 7420 flow, removed 46 selfloop flow, removed 1 redundant places. [2021-06-11 07:05:42,240 INFO L241 Difference]: Finished difference. Result has 117 places, 353 transitions, 5872 flow [2021-06-11 07:05:42,241 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=200, PETRI_DIFFERENCE_MINUEND_FLOW=4572, PETRI_DIFFERENCE_MINUEND_PLACES=102, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=305, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=165, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=124, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=5872, PETRI_PLACES=117, PETRI_TRANSITIONS=353} [2021-06-11 07:05:42,241 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 78 predicate places. [2021-06-11 07:05:42,241 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 07:05:42,241 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 117 places, 353 transitions, 5872 flow [2021-06-11 07:05:42,241 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 117 places, 353 transitions, 5872 flow [2021-06-11 07:05:42,244 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 117 places, 353 transitions, 5872 flow [2021-06-11 07:05:43,266 INFO L129 PetriNetUnfolder]: 4546/8033 cut-off events. [2021-06-11 07:05:43,267 INFO L130 PetriNetUnfolder]: For 142383/471236 co-relation queries the response was YES. [2021-06-11 07:05:43,340 INFO L84 FinitePrefix]: Finished finitePrefix Result has 64532 conditions, 8033 events. 4546/8033 cut-off events. For 142383/471236 co-relation queries the response was YES. Maximal size of possible extension queue 914. Compared 67720 event pairs, 546 based on Foata normal form. 67/7631 useless extension candidates. Maximal degree in co-relation 64490. Up to 6781 conditions per place. [2021-06-11 07:05:43,473 INFO L151 LiptonReduction]: Number of co-enabled transitions 4940 [2021-06-11 07:05:43,496 INFO L163 LiptonReduction]: Checked pairs total: 36335 [2021-06-11 07:05:43,496 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 07:05:43,496 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1255 [2021-06-11 07:05:43,497 INFO L480 AbstractCegarLoop]: Abstraction has has 117 places, 353 transitions, 5872 flow [2021-06-11 07:05:43,497 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 132.14285714285714) internal successors, (925), 7 states have internal predecessors, (925), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 07:05:43,497 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 07:05:43,497 INFO L263 CegarLoopForPetriNet]: trace histogram [3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 07:05:43,497 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2021-06-11 07:05:43,497 INFO L428 AbstractCegarLoop]: === Iteration 10 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-11 07:05:43,498 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 07:05:43,498 INFO L82 PathProgramCache]: Analyzing trace with hash 1342082208, now seen corresponding path program 2 times [2021-06-11 07:05:43,498 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 07:05:43,498 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [706216019] [2021-06-11 07:05:43,498 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 07:05:43,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 07:05:43,515 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:43,516 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:05:43,518 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:43,518 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:05:43,522 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:43,522 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:05:43,526 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:43,527 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:05:43,532 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:43,533 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:05:43,539 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-06-11 07:05:43,539 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [706216019] [2021-06-11 07:05:43,539 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 07:05:43,539 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-06-11 07:05:43,539 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1889735184] [2021-06-11 07:05:43,540 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-06-11 07:05:43,540 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 07:05:43,540 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-06-11 07:05:43,540 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-06-11 07:05:43,541 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 130 out of 200 [2021-06-11 07:05:43,542 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 117 places, 353 transitions, 5872 flow. Second operand has 7 states, 7 states have (on average 131.14285714285714) internal successors, (918), 7 states have internal predecessors, (918), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 07:05:43,542 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 07:05:43,542 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 130 of 200 [2021-06-11 07:05:43,542 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 07:05:47,208 INFO L129 PetriNetUnfolder]: 14126/22705 cut-off events. [2021-06-11 07:05:47,208 INFO L130 PetriNetUnfolder]: For 281315/281352 co-relation queries the response was YES. [2021-06-11 07:05:47,501 INFO L84 FinitePrefix]: Finished finitePrefix Result has 162050 conditions, 22705 events. 14126/22705 cut-off events. For 281315/281352 co-relation queries the response was YES. Maximal size of possible extension queue 2495. Compared 195304 event pairs, 4804 based on Foata normal form. 69/22480 useless extension candidates. Maximal degree in co-relation 162006. Up to 13134 conditions per place. [2021-06-11 07:05:47,676 INFO L132 encePairwiseOnDemand]: 191/200 looper letters, 256 selfloop transitions, 242 changer transitions 0/507 dead transitions. [2021-06-11 07:05:47,676 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 129 places, 507 transitions, 8790 flow [2021-06-11 07:05:47,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-11 07:05:47,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-06-11 07:05:47,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1812 transitions. [2021-06-11 07:05:47,678 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.696923076923077 [2021-06-11 07:05:47,678 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 1812 transitions. [2021-06-11 07:05:47,678 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 1812 transitions. [2021-06-11 07:05:47,679 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 07:05:47,679 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 1812 transitions. [2021-06-11 07:05:47,680 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 139.3846153846154) internal successors, (1812), 13 states have internal predecessors, (1812), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 07:05:47,682 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 200.0) internal successors, (2800), 14 states have internal predecessors, (2800), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 07:05:47,682 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 200.0) internal successors, (2800), 14 states have internal predecessors, (2800), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 07:05:47,682 INFO L185 Difference]: Start difference. First operand has 117 places, 353 transitions, 5872 flow. Second operand 13 states and 1812 transitions. [2021-06-11 07:05:47,682 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 129 places, 507 transitions, 8790 flow [2021-06-11 07:05:51,331 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 120 places, 507 transitions, 8269 flow, removed 62 selfloop flow, removed 9 redundant places. [2021-06-11 07:05:51,337 INFO L241 Difference]: Finished difference. Result has 123 places, 410 transitions, 7017 flow [2021-06-11 07:05:51,338 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=200, PETRI_DIFFERENCE_MINUEND_FLOW=5463, PETRI_DIFFERENCE_MINUEND_PLACES=108, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=353, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=185, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=151, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=7017, PETRI_PLACES=123, PETRI_TRANSITIONS=410} [2021-06-11 07:05:51,338 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 84 predicate places. [2021-06-11 07:05:51,338 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 07:05:51,338 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 123 places, 410 transitions, 7017 flow [2021-06-11 07:05:51,338 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 123 places, 410 transitions, 7017 flow [2021-06-11 07:05:51,341 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 123 places, 410 transitions, 7017 flow [2021-06-11 07:05:52,500 INFO L129 PetriNetUnfolder]: 5067/9000 cut-off events. [2021-06-11 07:05:52,500 INFO L130 PetriNetUnfolder]: For 170382/412076 co-relation queries the response was YES. [2021-06-11 07:05:52,557 INFO L84 FinitePrefix]: Finished finitePrefix Result has 75342 conditions, 9000 events. 5067/9000 cut-off events. For 170382/412076 co-relation queries the response was YES. Maximal size of possible extension queue 1079. Compared 78318 event pairs, 599 based on Foata normal form. 69/8581 useless extension candidates. Maximal degree in co-relation 75297. Up to 7561 conditions per place. [2021-06-11 07:05:52,703 INFO L151 LiptonReduction]: Number of co-enabled transitions 5646 [2021-06-11 07:05:52,732 INFO L163 LiptonReduction]: Checked pairs total: 50955 [2021-06-11 07:05:52,732 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 07:05:52,733 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1395 [2021-06-11 07:05:52,733 INFO L480 AbstractCegarLoop]: Abstraction has has 123 places, 410 transitions, 7017 flow [2021-06-11 07:05:52,733 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 131.14285714285714) internal successors, (918), 7 states have internal predecessors, (918), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 07:05:52,733 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 07:05:52,733 INFO L263 CegarLoopForPetriNet]: trace histogram [4, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 07:05:52,733 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2021-06-11 07:05:52,733 INFO L428 AbstractCegarLoop]: === Iteration 11 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-11 07:05:52,734 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 07:05:52,734 INFO L82 PathProgramCache]: Analyzing trace with hash -1564655847, now seen corresponding path program 1 times [2021-06-11 07:05:52,734 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 07:05:52,734 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [942580884] [2021-06-11 07:05:52,734 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 07:05:52,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 07:05:52,751 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:52,752 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:05:52,754 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:52,755 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:05:52,758 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:52,758 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:05:52,762 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-06-11 07:05:52,763 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [942580884] [2021-06-11 07:05:52,763 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 07:05:52,763 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-06-11 07:05:52,763 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1443846901] [2021-06-11 07:05:52,763 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-06-11 07:05:52,763 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 07:05:52,764 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-06-11 07:05:52,764 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-06-11 07:05:52,765 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 134 out of 200 [2021-06-11 07:05:52,765 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 123 places, 410 transitions, 7017 flow. Second operand has 5 states, 5 states have (on average 135.0) internal successors, (675), 5 states have internal predecessors, (675), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 07:05:52,766 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 07:05:52,766 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 134 of 200 [2021-06-11 07:05:52,766 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 07:06:00,076 INFO L129 PetriNetUnfolder]: 21554/36300 cut-off events. [2021-06-11 07:06:00,076 INFO L130 PetriNetUnfolder]: For 532973/533191 co-relation queries the response was YES. [2021-06-11 07:06:00,377 INFO L84 FinitePrefix]: Finished finitePrefix Result has 276604 conditions, 36300 events. 21554/36300 cut-off events. For 532973/533191 co-relation queries the response was YES. Maximal size of possible extension queue 3953. Compared 348929 event pairs, 7443 based on Foata normal form. 491/36378 useless extension candidates. Maximal degree in co-relation 276557. Up to 21649 conditions per place. [2021-06-11 07:06:00,597 INFO L132 encePairwiseOnDemand]: 192/200 looper letters, 677 selfloop transitions, 170 changer transitions 0/857 dead transitions. [2021-06-11 07:06:00,597 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 128 places, 857 transitions, 16569 flow [2021-06-11 07:06:00,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-11 07:06:00,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-06-11 07:06:00,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 860 transitions. [2021-06-11 07:06:00,599 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7166666666666667 [2021-06-11 07:06:00,599 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 860 transitions. [2021-06-11 07:06:00,599 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 860 transitions. [2021-06-11 07:06:00,600 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 07:06:00,600 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 860 transitions. [2021-06-11 07:06:00,601 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 143.33333333333334) internal successors, (860), 6 states have internal predecessors, (860), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 07:06:00,602 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 200.0) internal successors, (1400), 7 states have internal predecessors, (1400), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 07:06:00,602 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 200.0) internal successors, (1400), 7 states have internal predecessors, (1400), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 07:06:00,602 INFO L185 Difference]: Start difference. First operand has 123 places, 410 transitions, 7017 flow. Second operand 6 states and 860 transitions. [2021-06-11 07:06:00,602 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 128 places, 857 transitions, 16569 flow [2021-06-11 07:06:10,327 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 121 places, 857 transitions, 16055 flow, removed 80 selfloop flow, removed 7 redundant places. [2021-06-11 07:06:10,337 INFO L241 Difference]: Finished difference. Result has 124 places, 551 transitions, 10066 flow [2021-06-11 07:06:10,338 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=200, PETRI_DIFFERENCE_MINUEND_FLOW=6756, PETRI_DIFFERENCE_MINUEND_PLACES=116, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=410, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=29, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=260, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=10066, PETRI_PLACES=124, PETRI_TRANSITIONS=551} [2021-06-11 07:06:10,338 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 85 predicate places. [2021-06-11 07:06:10,338 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 07:06:10,338 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 124 places, 551 transitions, 10066 flow [2021-06-11 07:06:10,338 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 124 places, 551 transitions, 10066 flow [2021-06-11 07:06:10,341 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 124 places, 551 transitions, 10066 flow [2021-06-11 07:06:12,837 INFO L129 PetriNetUnfolder]: 9297/17172 cut-off events. [2021-06-11 07:06:12,837 INFO L130 PetriNetUnfolder]: For 363281/656234 co-relation queries the response was YES. [2021-06-11 07:06:12,933 INFO L84 FinitePrefix]: Finished finitePrefix Result has 152917 conditions, 17172 events. 9297/17172 cut-off events. For 363281/656234 co-relation queries the response was YES. Maximal size of possible extension queue 2073. Compared 169924 event pairs, 803 based on Foata normal form. 247/16600 useless extension candidates. Maximal degree in co-relation 152869. Up to 14355 conditions per place. [2021-06-11 07:06:13,475 INFO L151 LiptonReduction]: Number of co-enabled transitions 7362 [2021-06-11 07:06:13,521 INFO L163 LiptonReduction]: Checked pairs total: 40680 [2021-06-11 07:06:13,521 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 07:06:13,521 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 3183 [2021-06-11 07:06:13,521 INFO L480 AbstractCegarLoop]: Abstraction has has 124 places, 551 transitions, 10066 flow [2021-06-11 07:06:13,521 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 135.0) internal successors, (675), 5 states have internal predecessors, (675), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 07:06:13,521 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 07:06:13,521 INFO L263 CegarLoopForPetriNet]: trace histogram [3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 07:06:13,522 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2021-06-11 07:06:13,522 INFO L428 AbstractCegarLoop]: === Iteration 12 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-11 07:06:13,522 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 07:06:13,522 INFO L82 PathProgramCache]: Analyzing trace with hash 1592563676, now seen corresponding path program 1 times [2021-06-11 07:06:13,522 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 07:06:13,522 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [744922800] [2021-06-11 07:06:13,522 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 07:06:13,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 07:06:13,546 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:06:13,547 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:06:13,549 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:06:13,549 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:06:13,552 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:06:13,553 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:06:13,557 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:06:13,557 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:06:13,561 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:06:13,562 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:06:13,567 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:06:13,567 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:06:13,573 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:06:13,574 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:06:13,581 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 07:06:13,581 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [744922800] [2021-06-11 07:06:13,581 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1953819982] [2021-06-11 07:06:13,582 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 [2021-06-11 07:06:13,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 07:06:13,707 INFO L263 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 10 conjunts are in the unsatisfiable core [2021-06-11 07:06:13,708 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-11 07:06:13,719 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:06:13,720 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:06:13,721 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:06:13,721 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:06:13,721 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:06:13,721 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:06:13,722 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:06:13,722 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:06:13,747 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:06:13,747 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:06:13,747 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:06:13,748 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:06:13,748 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:06:13,748 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:06:13,748 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:06:13,749 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:06:13,749 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:06:13,749 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:06:13,750 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:06:13,750 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:06:13,750 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:06:13,751 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:06:13,751 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:06:13,751 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:06:13,751 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:06:13,752 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:06:13,752 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:06:13,752 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:06:13,753 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:06:13,753 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:06:13,753 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:06:13,753 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:06:13,754 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:06:13,754 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:06:13,754 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:06:13,755 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:06:13,755 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:06:13,755 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:06:13,755 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:06:13,756 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:06:13,756 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:06:13,756 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 07:06:13,757 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:06:13,757 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 07:06:13,758 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:06:13,758 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 07:06:13,758 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-06-11 07:06:13,759 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:06:13,761 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:06:13,761 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:06:13,767 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:06:13,776 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:06:13,776 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 07:06:13,777 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:06:13,777 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 07:06:13,793 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:06:13,793 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 07:06:13,794 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 07:06:13,794 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:06:13,795 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:06:13,795 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:06:13,796 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:06:13,796 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:06:13,796 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:06:13,796 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:06:13,797 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:06:13,797 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:06:13,797 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:06:13,798 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:06:13,798 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:06:13,798 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:06:13,799 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:06:13,799 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:06:13,799 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:06:13,799 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:06:13,800 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:06:13,800 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:06:13,800 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:06:13,801 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:06:13,801 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:06:13,801 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:06:13,801 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:06:13,802 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:06:13,802 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:06:13,802 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:06:13,803 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:06:13,803 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:06:13,803 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 07:06:13,804 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:06:13,804 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 07:06:13,804 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:06:13,805 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 07:06:13,805 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-06-11 07:06:13,805 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:06:13,806 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:06:13,806 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:06:13,807 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:06:13,807 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:06:13,807 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 07:06:13,808 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:06:13,808 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 07:06:13,808 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:06:13,809 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 07:06:13,809 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 07:06:13,809 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:06:13,810 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:06:13,810 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:06:13,811 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:06:13,811 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:06:13,811 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:06:13,811 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:06:13,818 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:06:13,818 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:06:13,818 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:06:13,819 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:06:13,819 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:06:13,819 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:06:13,820 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:06:13,820 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:06:13,820 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:06:13,820 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:06:13,821 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:06:13,821 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:06:13,821 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:06:13,822 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:06:13,822 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:06:13,822 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:06:13,822 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:06:13,823 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:06:13,823 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:06:13,823 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:06:13,824 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:06:13,824 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:06:13,824 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 07:06:13,829 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:06:13,830 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 07:06:13,830 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:06:13,831 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 07:06:13,831 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-06-11 07:06:13,831 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:06:13,832 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:06:13,832 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:06:13,833 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:06:13,833 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:06:13,833 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 07:06:13,834 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:06:13,834 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 07:06:13,834 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:06:13,849 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 07:06:13,849 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 07:06:13,850 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:06:13,850 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:06:13,851 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:06:13,851 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:06:13,851 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 07:06:13,852 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-11 07:06:13,852 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 9 [2021-06-11 07:06:13,852 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [983730531] [2021-06-11 07:06:13,852 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-06-11 07:06:13,852 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 07:06:13,852 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-06-11 07:06:13,852 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2021-06-11 07:06:13,854 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 128 out of 200 [2021-06-11 07:06:13,855 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 124 places, 551 transitions, 10066 flow. Second operand has 11 states, 11 states have (on average 129.36363636363637) internal successors, (1423), 11 states have internal predecessors, (1423), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 07:06:13,855 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 07:06:13,855 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 128 of 200 [2021-06-11 07:06:13,855 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 07:06:21,909 INFO L129 PetriNetUnfolder]: 21210/35529 cut-off events. [2021-06-11 07:06:21,909 INFO L130 PetriNetUnfolder]: For 588531/588694 co-relation queries the response was YES. [2021-06-11 07:06:22,223 INFO L84 FinitePrefix]: Finished finitePrefix Result has 288943 conditions, 35529 events. 21210/35529 cut-off events. For 588531/588694 co-relation queries the response was YES. Maximal size of possible extension queue 3991. Compared 342587 event pairs, 4442 based on Foata normal form. 39/35301 useless extension candidates. Maximal degree in co-relation 288893. Up to 21554 conditions per place. [2021-06-11 07:06:22,447 INFO L132 encePairwiseOnDemand]: 190/200 looper letters, 307 selfloop transitions, 526 changer transitions 0/841 dead transitions. [2021-06-11 07:06:22,447 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 152 places, 841 transitions, 15929 flow [2021-06-11 07:06:22,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-11 07:06:22,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states. [2021-06-11 07:06:22,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 3971 transitions. [2021-06-11 07:06:22,450 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6846551724137931 [2021-06-11 07:06:22,450 INFO L72 ComplementDD]: Start complementDD. Operand 29 states and 3971 transitions. [2021-06-11 07:06:22,450 INFO L73 IsDeterministic]: Start isDeterministic. Operand 29 states and 3971 transitions. [2021-06-11 07:06:22,451 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 07:06:22,451 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 29 states and 3971 transitions. [2021-06-11 07:06:22,455 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 30 states, 29 states have (on average 136.93103448275863) internal successors, (3971), 29 states have internal predecessors, (3971), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 07:06:22,460 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 30 states, 30 states have (on average 200.0) internal successors, (6000), 30 states have internal predecessors, (6000), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 07:06:22,460 INFO L81 ComplementDD]: Finished complementDD. Result has 30 states, 30 states have (on average 200.0) internal successors, (6000), 30 states have internal predecessors, (6000), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 07:06:22,461 INFO L185 Difference]: Start difference. First operand has 124 places, 551 transitions, 10066 flow. Second operand 29 states and 3971 transitions. [2021-06-11 07:06:22,461 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 152 places, 841 transitions, 15929 flow [2021-06-11 07:06:34,204 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 151 places, 841 transitions, 15190 flow, removed 359 selfloop flow, removed 1 redundant places. [2021-06-11 07:06:34,215 INFO L241 Difference]: Finished difference. Result has 154 places, 622 transitions, 12319 flow [2021-06-11 07:06:34,215 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=200, PETRI_DIFFERENCE_MINUEND_FLOW=9749, PETRI_DIFFERENCE_MINUEND_PLACES=123, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=551, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=455, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=85, PETRI_DIFFERENCE_SUBTRAHEND_STATES=29, PETRI_FLOW=12319, PETRI_PLACES=154, PETRI_TRANSITIONS=622} [2021-06-11 07:06:34,215 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 115 predicate places. [2021-06-11 07:06:34,216 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 07:06:34,216 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 154 places, 622 transitions, 12319 flow [2021-06-11 07:06:34,216 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 154 places, 622 transitions, 12319 flow [2021-06-11 07:06:34,220 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 154 places, 622 transitions, 12319 flow [2021-06-11 07:06:36,920 INFO L129 PetriNetUnfolder]: 9368/17357 cut-off events. [2021-06-11 07:06:36,920 INFO L130 PetriNetUnfolder]: For 430750/752307 co-relation queries the response was YES. [2021-06-11 07:06:37,076 INFO L84 FinitePrefix]: Finished finitePrefix Result has 161634 conditions, 17357 events. 9368/17357 cut-off events. For 430750/752307 co-relation queries the response was YES. Maximal size of possible extension queue 2138. Compared 172899 event pairs, 848 based on Foata normal form. 253/16695 useless extension candidates. Maximal degree in co-relation 161582. Up to 14424 conditions per place. [2021-06-11 07:06:37,638 INFO L151 LiptonReduction]: Number of co-enabled transitions 8220 [2021-06-11 07:06:37,697 INFO L163 LiptonReduction]: Checked pairs total: 52530 [2021-06-11 07:06:37,698 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 07:06:37,698 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 3482 [2021-06-11 07:06:37,698 INFO L480 AbstractCegarLoop]: Abstraction has has 154 places, 622 transitions, 12319 flow [2021-06-11 07:06:37,699 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 129.36363636363637) internal successors, (1423), 11 states have internal predecessors, (1423), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 07:06:37,699 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 07:06:37,699 INFO L263 CegarLoopForPetriNet]: trace histogram [3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 07:06:37,907 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable27 [2021-06-11 07:06:37,907 INFO L428 AbstractCegarLoop]: === Iteration 13 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-11 07:06:37,907 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 07:06:37,908 INFO L82 PathProgramCache]: Analyzing trace with hash -1726606778, now seen corresponding path program 2 times [2021-06-11 07:06:37,908 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 07:06:37,908 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2034662450] [2021-06-11 07:06:37,908 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 07:06:37,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 07:06:37,931 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:06:37,931 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:06:37,934 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:06:37,934 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:06:37,938 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:06:37,938 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:06:37,942 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:06:37,942 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:06:37,947 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:06:37,947 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:06:37,953 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:06:37,954 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:06:37,960 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:06:37,960 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:06:37,967 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-06-11 07:06:37,967 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2034662450] [2021-06-11 07:06:37,967 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [32441408] [2021-06-11 07:06:37,968 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 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 [2021-06-11 07:06:38,070 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-11 07:06:38,070 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-11 07:06:38,071 INFO L263 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 10 conjunts are in the unsatisfiable core [2021-06-11 07:06:38,073 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-11 07:06:38,073 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:06:38,073 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:06:38,074 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:06:38,074 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:06:38,074 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:06:38,075 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:06:38,075 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:06:38,075 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:06:38,082 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:06:38,082 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:06:38,083 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:06:38,083 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:06:38,083 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:06:38,084 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:06:38,084 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:06:38,084 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:06:38,084 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:06:38,085 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:06:38,085 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:06:38,085 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:06:38,086 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:06:38,086 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:06:38,086 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:06:38,086 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:06:38,087 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:06:38,087 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:06:38,087 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:06:38,088 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:06:38,088 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:06:38,088 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:06:38,088 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:06:38,089 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:06:38,089 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:06:38,089 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:06:38,090 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:06:38,090 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:06:38,090 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:06:38,090 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:06:38,091 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:06:38,091 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:06:38,091 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:06:38,094 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 07:06:38,094 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:06:38,094 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 07:06:38,095 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:06:38,095 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 07:06:38,095 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-06-11 07:06:38,096 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:06:38,096 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:06:38,097 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:06:38,097 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:06:38,104 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:06:38,105 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:06:38,105 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:06:38,105 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:06:38,105 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:06:38,106 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:06:38,106 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:06:38,106 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:06:38,107 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:06:38,107 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:06:38,107 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:06:38,107 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:06:38,108 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:06:38,108 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:06:38,108 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:06:38,109 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:06:38,109 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:06:38,109 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:06:38,110 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:06:38,110 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:06:38,110 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:06:38,111 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:06:38,111 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:06:38,111 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:06:38,112 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:06:38,112 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:06:38,112 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:06:38,113 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:06:38,113 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:06:38,113 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:06:38,114 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:06:38,114 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:06:38,114 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:06:38,114 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:06:38,115 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:06:38,115 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:06:38,115 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:06:38,115 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:06:38,116 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:06:38,116 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:06:38,117 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:06:38,117 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:06:38,117 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:06:38,117 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:06:38,118 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:06:38,118 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:06:38,118 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:06:38,119 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:06:38,119 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:06:38,119 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 07:06:38,120 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:06:38,120 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 07:06:38,120 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:06:38,121 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 07:06:38,121 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 07:06:38,122 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:06:38,122 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:06:38,122 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:06:38,123 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:06:38,123 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:06:38,123 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 07:06:38,124 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:06:38,124 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 07:06:38,124 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:06:38,125 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 07:06:38,125 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-06-11 07:06:38,125 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:06:38,126 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:06:38,126 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:06:38,126 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:06:38,127 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:06:38,127 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 07:06:38,127 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:06:38,128 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 07:06:38,128 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:06:38,128 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 07:06:38,129 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 07:06:38,129 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:06:38,130 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:06:38,130 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:06:38,130 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:06:38,131 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:06:38,131 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 07:06:38,132 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:06:38,133 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 07:06:38,133 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:06:38,134 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 07:06:38,134 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-06-11 07:06:38,134 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:06:38,135 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:06:38,135 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:06:38,135 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:06:38,136 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:06:38,136 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 07:06:38,136 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:06:38,138 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 07:06:38,139 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:06:38,139 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 07:06:38,140 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 07:06:38,140 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:06:38,141 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:06:38,141 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:06:38,141 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:06:38,141 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-06-11 07:06:38,141 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-11 07:06:38,142 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 9 [2021-06-11 07:06:38,142 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [167240620] [2021-06-11 07:06:38,142 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-06-11 07:06:38,142 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 07:06:38,142 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-06-11 07:06:38,143 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2021-06-11 07:06:38,144 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 128 out of 200 [2021-06-11 07:06:38,144 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 154 places, 622 transitions, 12319 flow. Second operand has 11 states, 11 states have (on average 129.54545454545453) internal successors, (1425), 11 states have internal predecessors, (1425), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 07:06:38,144 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 07:06:38,144 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 128 of 200 [2021-06-11 07:06:38,144 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 07:06:46,571 INFO L129 PetriNetUnfolder]: 21280/35729 cut-off events. [2021-06-11 07:06:46,571 INFO L130 PetriNetUnfolder]: For 672791/672954 co-relation queries the response was YES. [2021-06-11 07:06:46,941 INFO L84 FinitePrefix]: Finished finitePrefix Result has 302668 conditions, 35729 events. 21280/35729 cut-off events. For 672791/672954 co-relation queries the response was YES. Maximal size of possible extension queue 4022. Compared 346548 event pairs, 4448 based on Foata normal form. 39/35501 useless extension candidates. Maximal degree in co-relation 302614. Up to 21683 conditions per place. [2021-06-11 07:06:47,177 INFO L132 encePairwiseOnDemand]: 190/200 looper letters, 317 selfloop transitions, 550 changer transitions 0/875 dead transitions. [2021-06-11 07:06:47,177 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 182 places, 875 transitions, 17335 flow [2021-06-11 07:06:47,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-11 07:06:47,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states. [2021-06-11 07:06:47,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 3971 transitions. [2021-06-11 07:06:47,181 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6846551724137931 [2021-06-11 07:06:47,181 INFO L72 ComplementDD]: Start complementDD. Operand 29 states and 3971 transitions. [2021-06-11 07:06:47,181 INFO L73 IsDeterministic]: Start isDeterministic. Operand 29 states and 3971 transitions. [2021-06-11 07:06:47,181 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 07:06:47,182 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 29 states and 3971 transitions. [2021-06-11 07:06:47,185 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 30 states, 29 states have (on average 136.93103448275863) internal successors, (3971), 29 states have internal predecessors, (3971), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 07:06:47,189 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 30 states, 30 states have (on average 200.0) internal successors, (6000), 30 states have internal predecessors, (6000), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 07:06:47,190 INFO L81 ComplementDD]: Finished complementDD. Result has 30 states, 30 states have (on average 200.0) internal successors, (6000), 30 states have internal predecessors, (6000), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 07:06:47,190 INFO L185 Difference]: Start difference. First operand has 154 places, 622 transitions, 12319 flow. Second operand 29 states and 3971 transitions. [2021-06-11 07:06:47,190 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 182 places, 875 transitions, 17335 flow [2021-06-11 07:07:04,815 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 163 places, 875 transitions, 16422 flow, removed 69 selfloop flow, removed 19 redundant places. [2021-06-11 07:07:04,828 INFO L241 Difference]: Finished difference. Result has 166 places, 663 transitions, 13534 flow [2021-06-11 07:07:04,829 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=200, PETRI_DIFFERENCE_MINUEND_FLOW=11446, PETRI_DIFFERENCE_MINUEND_PLACES=135, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=622, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=509, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=102, PETRI_DIFFERENCE_SUBTRAHEND_STATES=29, PETRI_FLOW=13534, PETRI_PLACES=166, PETRI_TRANSITIONS=663} [2021-06-11 07:07:04,829 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 127 predicate places. [2021-06-11 07:07:04,829 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 07:07:04,829 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 166 places, 663 transitions, 13534 flow [2021-06-11 07:07:04,829 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 166 places, 663 transitions, 13534 flow [2021-06-11 07:07:04,835 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 166 places, 663 transitions, 13534 flow [2021-06-11 07:07:07,772 INFO L129 PetriNetUnfolder]: 9488/17563 cut-off events. [2021-06-11 07:07:07,772 INFO L130 PetriNetUnfolder]: For 475709/843461 co-relation queries the response was YES. [2021-06-11 07:07:07,886 INFO L84 FinitePrefix]: Finished finitePrefix Result has 171616 conditions, 17563 events. 9488/17563 cut-off events. For 475709/843461 co-relation queries the response was YES. Maximal size of possible extension queue 2171. Compared 175056 event pairs, 810 based on Foata normal form. 306/17012 useless extension candidates. Maximal degree in co-relation 171563. Up to 14634 conditions per place. [2021-06-11 07:07:08,442 INFO L151 LiptonReduction]: Number of co-enabled transitions 8690 [2021-06-11 07:07:08,510 INFO L163 LiptonReduction]: Checked pairs total: 60480 [2021-06-11 07:07:08,510 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 07:07:08,511 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 3682 [2021-06-11 07:07:08,511 INFO L480 AbstractCegarLoop]: Abstraction has has 166 places, 663 transitions, 13534 flow [2021-06-11 07:07:08,511 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 129.54545454545453) internal successors, (1425), 11 states have internal predecessors, (1425), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 07:07:08,511 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 07:07:08,511 INFO L263 CegarLoopForPetriNet]: trace histogram [3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 07:07:08,712 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2021-06-11 07:07:08,713 INFO L428 AbstractCegarLoop]: === Iteration 14 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-11 07:07:08,713 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 07:07:08,713 INFO L82 PathProgramCache]: Analyzing trace with hash 736099044, now seen corresponding path program 3 times [2021-06-11 07:07:08,713 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 07:07:08,713 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1367773550] [2021-06-11 07:07:08,714 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 07:07:08,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 07:07:08,729 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:07:08,729 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:07:08,732 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:07:08,732 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:07:08,736 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:07:08,736 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:07:08,740 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:07:08,741 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:07:08,745 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:07:08,746 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:07:08,752 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:07:08,752 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:07:08,758 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:07:08,758 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:07:08,766 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-06-11 07:07:08,766 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1367773550] [2021-06-11 07:07:08,766 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 07:07:08,766 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-11 07:07:08,766 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [709609855] [2021-06-11 07:07:08,766 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-06-11 07:07:08,766 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 07:07:08,767 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-06-11 07:07:08,767 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2021-06-11 07:07:08,768 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 128 out of 200 [2021-06-11 07:07:08,768 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 166 places, 663 transitions, 13534 flow. Second operand has 9 states, 9 states have (on average 129.22222222222223) internal successors, (1163), 9 states have internal predecessors, (1163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 07:07:08,769 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 07:07:08,769 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 128 of 200 [2021-06-11 07:07:08,769 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 07:07:17,727 INFO L129 PetriNetUnfolder]: 21350/35923 cut-off events. [2021-06-11 07:07:17,728 INFO L130 PetriNetUnfolder]: For 773727/773828 co-relation queries the response was YES. [2021-06-11 07:07:18,089 INFO L84 FinitePrefix]: Finished finitePrefix Result has 316954 conditions, 35923 events. 21350/35923 cut-off events. For 773727/773828 co-relation queries the response was YES. Maximal size of possible extension queue 4055. Compared 348804 event pairs, 4578 based on Foata normal form. 34/35723 useless extension candidates. Maximal degree in co-relation 316899. Up to 21812 conditions per place. [2021-06-11 07:07:18,330 INFO L132 encePairwiseOnDemand]: 190/200 looper letters, 346 selfloop transitions, 576 changer transitions 0/930 dead transitions. [2021-06-11 07:07:18,330 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 194 places, 930 transitions, 19069 flow [2021-06-11 07:07:18,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-11 07:07:18,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states. [2021-06-11 07:07:18,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 3971 transitions. [2021-06-11 07:07:18,334 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6846551724137931 [2021-06-11 07:07:18,334 INFO L72 ComplementDD]: Start complementDD. Operand 29 states and 3971 transitions. [2021-06-11 07:07:18,334 INFO L73 IsDeterministic]: Start isDeterministic. Operand 29 states and 3971 transitions. [2021-06-11 07:07:18,335 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 07:07:18,335 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 29 states and 3971 transitions. [2021-06-11 07:07:18,338 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 30 states, 29 states have (on average 136.93103448275863) internal successors, (3971), 29 states have internal predecessors, (3971), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 07:07:18,342 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 30 states, 30 states have (on average 200.0) internal successors, (6000), 30 states have internal predecessors, (6000), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 07:07:18,342 INFO L81 ComplementDD]: Finished complementDD. Result has 30 states, 30 states have (on average 200.0) internal successors, (6000), 30 states have internal predecessors, (6000), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 07:07:18,342 INFO L185 Difference]: Start difference. First operand has 166 places, 663 transitions, 13534 flow. Second operand 29 states and 3971 transitions. [2021-06-11 07:07:18,342 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 194 places, 930 transitions, 19069 flow [2021-06-11 07:07:34,599 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 176 places, 930 transitions, 18141 flow, removed 63 selfloop flow, removed 18 redundant places. [2021-06-11 07:07:34,616 INFO L241 Difference]: Finished difference. Result has 179 places, 719 transitions, 15080 flow [2021-06-11 07:07:34,617 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=200, PETRI_DIFFERENCE_MINUEND_FLOW=12638, PETRI_DIFFERENCE_MINUEND_PLACES=148, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=663, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=520, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=132, PETRI_DIFFERENCE_SUBTRAHEND_STATES=29, PETRI_FLOW=15080, PETRI_PLACES=179, PETRI_TRANSITIONS=719} [2021-06-11 07:07:34,617 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 140 predicate places. [2021-06-11 07:07:34,617 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 07:07:34,617 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 179 places, 719 transitions, 15080 flow [2021-06-11 07:07:34,617 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 179 places, 719 transitions, 15080 flow [2021-06-11 07:07:34,624 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 179 places, 719 transitions, 15080 flow [2021-06-11 07:07:37,485 INFO L129 PetriNetUnfolder]: 9573/17754 cut-off events. [2021-06-11 07:07:37,485 INFO L130 PetriNetUnfolder]: For 598960/1009262 co-relation queries the response was YES. [2021-06-11 07:07:37,673 INFO L84 FinitePrefix]: Finished finitePrefix Result has 179687 conditions, 17754 events. 9573/17754 cut-off events. For 598960/1009262 co-relation queries the response was YES. Maximal size of possible extension queue 2201. Compared 178494 event pairs, 816 based on Foata normal form. 312/17213 useless extension candidates. Maximal degree in co-relation 179631. Up to 14744 conditions per place. [2021-06-11 07:07:37,948 INFO L151 LiptonReduction]: Number of co-enabled transitions 9366 [2021-06-11 07:07:38,061 INFO L163 LiptonReduction]: Checked pairs total: 71492 [2021-06-11 07:07:38,061 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 07:07:38,061 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 3444 [2021-06-11 07:07:38,061 INFO L480 AbstractCegarLoop]: Abstraction has has 179 places, 719 transitions, 15080 flow [2021-06-11 07:07:38,062 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 129.22222222222223) internal successors, (1163), 9 states have internal predecessors, (1163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 07:07:38,062 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 07:07:38,062 INFO L263 CegarLoopForPetriNet]: trace histogram [3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 07:07:38,062 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2021-06-11 07:07:38,062 INFO L428 AbstractCegarLoop]: === Iteration 15 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-11 07:07:38,062 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 07:07:38,062 INFO L82 PathProgramCache]: Analyzing trace with hash -807054674, now seen corresponding path program 4 times [2021-06-11 07:07:38,062 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 07:07:38,062 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1851951793] [2021-06-11 07:07:38,062 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 07:07:38,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 07:07:38,077 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:07:38,077 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:07:38,080 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:07:38,080 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:07:38,083 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:07:38,084 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:07:38,089 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:07:38,089 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:07:38,094 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:07:38,094 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:07:38,100 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:07:38,100 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:07:38,106 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:07:38,106 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:07:38,113 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-06-11 07:07:38,114 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1851951793] [2021-06-11 07:07:38,114 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1540876519] [2021-06-11 07:07:38,114 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST 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 [2021-06-11 07:07:38,488 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-11 07:07:38,488 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-11 07:07:38,489 INFO L263 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 10 conjunts are in the unsatisfiable core [2021-06-11 07:07:38,490 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-11 07:07:38,490 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:07:38,491 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:07:38,491 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:07:38,491 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:07:38,492 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:07:38,492 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:07:38,492 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:07:38,493 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:07:38,499 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:07:38,499 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:07:38,500 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:07:38,500 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:07:38,500 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:07:38,500 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:07:38,501 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:07:38,501 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:07:38,501 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:07:38,501 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:07:38,502 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:07:38,502 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:07:38,502 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:07:38,503 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:07:38,503 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:07:38,503 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:07:38,503 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:07:38,504 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:07:38,504 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:07:38,504 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:07:38,504 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:07:38,505 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:07:38,505 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:07:38,505 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:07:38,505 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:07:38,506 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:07:38,506 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:07:38,506 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:07:38,506 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:07:38,507 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:07:38,507 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:07:38,507 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:07:38,508 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:07:38,508 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:07:38,508 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:07:38,508 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:07:38,509 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:07:38,509 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:07:38,509 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:07:38,509 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:07:38,510 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:07:38,510 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:07:38,510 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:07:38,510 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:07:38,511 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:07:38,511 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:07:38,511 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:07:38,511 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:07:38,512 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:07:38,512 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:07:38,512 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:07:38,512 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:07:38,513 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:07:38,513 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:07:38,513 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:07:38,514 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:07:38,514 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:07:38,514 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 07:07:38,515 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:07:38,515 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 07:07:38,515 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:07:38,515 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 07:07:38,516 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-06-11 07:07:38,516 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:07:38,517 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:07:38,517 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:07:38,517 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:07:38,524 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:07:38,524 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:07:38,524 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:07:38,525 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:07:38,525 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:07:38,525 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:07:38,526 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:07:38,526 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:07:38,526 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:07:38,526 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:07:38,527 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:07:38,527 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:07:38,527 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:07:38,527 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:07:38,528 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:07:38,528 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:07:38,528 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:07:38,529 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:07:38,529 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:07:38,529 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:07:38,530 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:07:38,530 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:07:38,530 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:07:38,530 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:07:38,531 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:07:38,531 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 07:07:38,531 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:07:38,532 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 07:07:38,532 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:07:38,532 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 07:07:38,533 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 07:07:38,533 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:07:38,534 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:07:38,534 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:07:38,534 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:07:38,534 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:07:38,535 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 07:07:38,535 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:07:38,535 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 07:07:38,536 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:07:38,536 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 07:07:38,536 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-06-11 07:07:38,536 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:07:38,537 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:07:38,537 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:07:38,538 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:07:38,538 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:07:38,539 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 07:07:38,539 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:07:38,539 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 07:07:38,540 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:07:38,540 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 07:07:38,540 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 07:07:38,541 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:07:38,541 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:07:38,542 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:07:38,542 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:07:38,543 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:07:38,543 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 07:07:38,543 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:07:38,544 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 07:07:38,544 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:07:38,544 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 07:07:38,545 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-06-11 07:07:38,545 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:07:38,546 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:07:38,546 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:07:38,546 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:07:38,547 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:07:38,547 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 07:07:38,547 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:07:38,548 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 07:07:38,548 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:07:38,548 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 07:07:38,549 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 07:07:38,549 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:07:38,550 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:07:38,550 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:07:38,550 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:07:38,550 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-06-11 07:07:38,550 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-11 07:07:38,551 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 9 [2021-06-11 07:07:38,551 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [615754658] [2021-06-11 07:07:38,551 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-06-11 07:07:38,551 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 07:07:38,551 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-06-11 07:07:38,551 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2021-06-11 07:07:38,552 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 128 out of 200 [2021-06-11 07:07:38,553 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 179 places, 719 transitions, 15080 flow. Second operand has 11 states, 11 states have (on average 129.54545454545453) internal successors, (1425), 11 states have internal predecessors, (1425), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 07:07:38,553 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 07:07:38,553 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 128 of 200 [2021-06-11 07:07:38,553 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 07:07:47,670 INFO L129 PetriNetUnfolder]: 21420/36099 cut-off events. [2021-06-11 07:07:47,670 INFO L130 PetriNetUnfolder]: For 824124/824244 co-relation queries the response was YES. [2021-06-11 07:07:48,335 INFO L84 FinitePrefix]: Finished finitePrefix Result has 329626 conditions, 36099 events. 21420/36099 cut-off events. For 824124/824244 co-relation queries the response was YES. Maximal size of possible extension queue 4088. Compared 352992 event pairs, 4244 based on Foata normal form. 25/35912 useless extension candidates. Maximal degree in co-relation 329568. Up to 21941 conditions per place. [2021-06-11 07:07:48,609 INFO L132 encePairwiseOnDemand]: 190/200 looper letters, 404 selfloop transitions, 581 changer transitions 0/993 dead transitions. [2021-06-11 07:07:48,609 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 207 places, 993 transitions, 21006 flow [2021-06-11 07:07:48,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-11 07:07:48,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states. [2021-06-11 07:07:48,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 3971 transitions. [2021-06-11 07:07:48,613 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6846551724137931 [2021-06-11 07:07:48,613 INFO L72 ComplementDD]: Start complementDD. Operand 29 states and 3971 transitions. [2021-06-11 07:07:48,613 INFO L73 IsDeterministic]: Start isDeterministic. Operand 29 states and 3971 transitions. [2021-06-11 07:07:48,613 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 07:07:48,613 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 29 states and 3971 transitions. [2021-06-11 07:07:48,616 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 30 states, 29 states have (on average 136.93103448275863) internal successors, (3971), 29 states have internal predecessors, (3971), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 07:07:48,621 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 30 states, 30 states have (on average 200.0) internal successors, (6000), 30 states have internal predecessors, (6000), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 07:07:48,621 INFO L81 ComplementDD]: Finished complementDD. Result has 30 states, 30 states have (on average 200.0) internal successors, (6000), 30 states have internal predecessors, (6000), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 07:07:48,621 INFO L185 Difference]: Start difference. First operand has 179 places, 719 transitions, 15080 flow. Second operand 29 states and 3971 transitions. [2021-06-11 07:07:48,621 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 207 places, 993 transitions, 21006 flow [2021-06-11 07:08:10,608 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 188 places, 993 transitions, 20126 flow, removed 52 selfloop flow, removed 19 redundant places. [2021-06-11 07:08:10,622 INFO L241 Difference]: Finished difference. Result has 191 places, 765 transitions, 16526 flow [2021-06-11 07:08:10,623 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=200, PETRI_DIFFERENCE_MINUEND_FLOW=14236, PETRI_DIFFERENCE_MINUEND_PLACES=160, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=719, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=535, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=173, PETRI_DIFFERENCE_SUBTRAHEND_STATES=29, PETRI_FLOW=16526, PETRI_PLACES=191, PETRI_TRANSITIONS=765} [2021-06-11 07:08:10,623 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 152 predicate places. [2021-06-11 07:08:10,623 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 07:08:10,623 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 191 places, 765 transitions, 16526 flow [2021-06-11 07:08:10,623 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 191 places, 765 transitions, 16526 flow [2021-06-11 07:08:10,629 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 191 places, 765 transitions, 16526 flow [2021-06-11 07:08:13,595 INFO L129 PetriNetUnfolder]: 9725/18041 cut-off events. [2021-06-11 07:08:13,595 INFO L130 PetriNetUnfolder]: For 683740/1136123 co-relation queries the response was YES. [2021-06-11 07:08:13,876 INFO L84 FinitePrefix]: Finished finitePrefix Result has 189634 conditions, 18041 events. 9725/18041 cut-off events. For 683740/1136123 co-relation queries the response was YES. Maximal size of possible extension queue 2270. Compared 181896 event pairs, 783 based on Foata normal form. 376/17540 useless extension candidates. Maximal degree in co-relation 189575. Up to 15001 conditions per place. [2021-06-11 07:08:14,239 INFO L151 LiptonReduction]: Number of co-enabled transitions 9906 [2021-06-11 07:08:14,331 INFO L163 LiptonReduction]: Checked pairs total: 82104 [2021-06-11 07:08:14,331 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 07:08:14,331 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 3708 [2021-06-11 07:08:14,331 INFO L480 AbstractCegarLoop]: Abstraction has has 191 places, 765 transitions, 16526 flow [2021-06-11 07:08:14,332 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 129.54545454545453) internal successors, (1425), 11 states have internal predecessors, (1425), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 07:08:14,332 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 07:08:14,332 INFO L263 CegarLoopForPetriNet]: trace histogram [3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 07:08:14,532 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-11 07:08:14,533 INFO L428 AbstractCegarLoop]: === Iteration 16 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-11 07:08:14,533 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 07:08:14,533 INFO L82 PathProgramCache]: Analyzing trace with hash 1250823908, now seen corresponding path program 5 times [2021-06-11 07:08:14,533 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 07:08:14,533 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1326205998] [2021-06-11 07:08:14,533 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 07:08:14,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 07:08:14,551 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:08:14,552 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:08:14,554 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:08:14,555 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:08:14,558 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:08:14,558 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:08:14,563 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:08:14,563 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:08:14,568 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:08:14,568 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:08:14,574 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:08:14,574 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:08:14,580 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:08:14,581 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:08:14,854 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-06-11 07:08:14,854 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1326205998] [2021-06-11 07:08:14,854 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 07:08:14,854 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-11 07:08:14,854 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1221961067] [2021-06-11 07:08:14,855 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-06-11 07:08:14,855 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 07:08:14,855 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-06-11 07:08:14,855 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2021-06-11 07:08:14,856 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 128 out of 200 [2021-06-11 07:08:14,857 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 191 places, 765 transitions, 16526 flow. Second operand has 9 states, 9 states have (on average 129.22222222222223) internal successors, (1163), 9 states have internal predecessors, (1163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 07:08:14,857 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 07:08:14,857 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 128 of 200 [2021-06-11 07:08:14,857 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 07:08:24,659 INFO L129 PetriNetUnfolder]: 21490/36299 cut-off events. [2021-06-11 07:08:24,659 INFO L130 PetriNetUnfolder]: For 913217/913337 co-relation queries the response was YES. [2021-06-11 07:08:25,197 INFO L84 FinitePrefix]: Finished finitePrefix Result has 343196 conditions, 36299 events. 21490/36299 cut-off events. For 913217/913337 co-relation queries the response was YES. Maximal size of possible extension queue 4117. Compared 356422 event pairs, 4187 based on Foata normal form. 25/36112 useless extension candidates. Maximal degree in co-relation 343135. Up to 22070 conditions per place. [2021-06-11 07:08:25,463 INFO L132 encePairwiseOnDemand]: 190/200 looper letters, 417 selfloop transitions, 597 changer transitions 0/1022 dead transitions. [2021-06-11 07:08:25,463 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 219 places, 1022 transitions, 22299 flow [2021-06-11 07:08:25,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-11 07:08:25,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states. [2021-06-11 07:08:25,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 3971 transitions. [2021-06-11 07:08:25,467 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6846551724137931 [2021-06-11 07:08:25,467 INFO L72 ComplementDD]: Start complementDD. Operand 29 states and 3971 transitions. [2021-06-11 07:08:25,467 INFO L73 IsDeterministic]: Start isDeterministic. Operand 29 states and 3971 transitions. [2021-06-11 07:08:25,467 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 07:08:25,467 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 29 states and 3971 transitions. [2021-06-11 07:08:25,470 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 30 states, 29 states have (on average 136.93103448275863) internal successors, (3971), 29 states have internal predecessors, (3971), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 07:08:25,474 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 30 states, 30 states have (on average 200.0) internal successors, (6000), 30 states have internal predecessors, (6000), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 07:08:25,474 INFO L81 ComplementDD]: Finished complementDD. Result has 30 states, 30 states have (on average 200.0) internal successors, (6000), 30 states have internal predecessors, (6000), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 07:08:25,474 INFO L185 Difference]: Start difference. First operand has 191 places, 765 transitions, 16526 flow. Second operand 29 states and 3971 transitions. [2021-06-11 07:08:25,474 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 219 places, 1022 transitions, 22299 flow [2021-06-11 07:08:53,905 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 201 places, 1022 transitions, 21376 flow, removed 78 selfloop flow, removed 18 redundant places. [2021-06-11 07:08:53,922 INFO L241 Difference]: Finished difference. Result has 204 places, 811 transitions, 17929 flow [2021-06-11 07:08:53,922 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=200, PETRI_DIFFERENCE_MINUEND_FLOW=15627, PETRI_DIFFERENCE_MINUEND_PLACES=173, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=765, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=551, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=203, PETRI_DIFFERENCE_SUBTRAHEND_STATES=29, PETRI_FLOW=17929, PETRI_PLACES=204, PETRI_TRANSITIONS=811} [2021-06-11 07:08:53,922 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 165 predicate places. [2021-06-11 07:08:53,923 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 07:08:53,923 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 204 places, 811 transitions, 17929 flow [2021-06-11 07:08:53,923 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 204 places, 811 transitions, 17929 flow [2021-06-11 07:08:53,930 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 204 places, 811 transitions, 17929 flow [2021-06-11 07:08:57,499 INFO L129 PetriNetUnfolder]: 9777/18197 cut-off events. [2021-06-11 07:08:57,499 INFO L130 PetriNetUnfolder]: For 796967/1465619 co-relation queries the response was YES. [2021-06-11 07:08:58,020 INFO L84 FinitePrefix]: Finished finitePrefix Result has 198129 conditions, 18197 events. 9777/18197 cut-off events. For 796967/1465619 co-relation queries the response was YES. Maximal size of possible extension queue 2250. Compared 183474 event pairs, 816 based on Foata normal form. 309/17522 useless extension candidates. Maximal degree in co-relation 198067. Up to 15062 conditions per place. [2021-06-11 07:08:58,299 INFO L151 LiptonReduction]: Number of co-enabled transitions 10462 [2021-06-11 07:08:58,395 INFO L163 LiptonReduction]: Checked pairs total: 92400 [2021-06-11 07:08:58,396 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 07:08:58,396 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 4474 [2021-06-11 07:08:58,396 INFO L480 AbstractCegarLoop]: Abstraction has has 204 places, 811 transitions, 17929 flow [2021-06-11 07:08:58,396 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 129.22222222222223) internal successors, (1163), 9 states have internal predecessors, (1163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 07:08:58,396 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 07:08:58,396 INFO L263 CegarLoopForPetriNet]: trace histogram [3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 07:08:58,397 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2021-06-11 07:08:58,397 INFO L428 AbstractCegarLoop]: === Iteration 17 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-11 07:08:58,397 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 07:08:58,397 INFO L82 PathProgramCache]: Analyzing trace with hash 1247699108, now seen corresponding path program 6 times [2021-06-11 07:08:58,397 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 07:08:58,397 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1433339791] [2021-06-11 07:08:58,397 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 07:08:58,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 07:08:58,414 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:08:58,414 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:08:58,417 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:08:58,417 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:08:58,421 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:08:58,421 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:08:58,425 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:08:58,426 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:08:58,430 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:08:58,430 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:08:58,436 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:08:58,437 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:08:58,443 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:08:58,443 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:08:58,451 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-06-11 07:08:58,451 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1433339791] [2021-06-11 07:08:58,451 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 07:08:58,451 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-11 07:08:58,451 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [304208987] [2021-06-11 07:08:58,452 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-06-11 07:08:58,452 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 07:08:58,452 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-06-11 07:08:58,452 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2021-06-11 07:08:58,453 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 128 out of 200 [2021-06-11 07:08:58,454 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 204 places, 811 transitions, 17929 flow. Second operand has 9 states, 9 states have (on average 129.22222222222223) internal successors, (1163), 9 states have internal predecessors, (1163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 07:08:58,454 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 07:08:58,454 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 128 of 200 [2021-06-11 07:08:58,454 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 07:09:09,549 INFO L129 PetriNetUnfolder]: 21560/36553 cut-off events. [2021-06-11 07:09:09,549 INFO L130 PetriNetUnfolder]: For 1045313/1045485 co-relation queries the response was YES. [2021-06-11 07:09:10,039 INFO L84 FinitePrefix]: Finished finitePrefix Result has 356831 conditions, 36553 events. 21560/36553 cut-off events. For 1045313/1045485 co-relation queries the response was YES. Maximal size of possible extension queue 4148. Compared 357980 event pairs, 5107 based on Foata normal form. 48/36319 useless extension candidates. Maximal degree in co-relation 356767. Up to 22199 conditions per place. [2021-06-11 07:09:10,304 INFO L132 encePairwiseOnDemand]: 190/200 looper letters, 433 selfloop transitions, 611 changer transitions 0/1052 dead transitions. [2021-06-11 07:09:10,304 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 232 places, 1052 transitions, 23657 flow [2021-06-11 07:09:10,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-11 07:09:10,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states. [2021-06-11 07:09:10,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 3971 transitions. [2021-06-11 07:09:10,307 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6846551724137931 [2021-06-11 07:09:10,307 INFO L72 ComplementDD]: Start complementDD. Operand 29 states and 3971 transitions. [2021-06-11 07:09:10,307 INFO L73 IsDeterministic]: Start isDeterministic. Operand 29 states and 3971 transitions. [2021-06-11 07:09:10,307 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 07:09:10,307 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 29 states and 3971 transitions. [2021-06-11 07:09:10,310 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 30 states, 29 states have (on average 136.93103448275863) internal successors, (3971), 29 states have internal predecessors, (3971), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 07:09:10,314 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 30 states, 30 states have (on average 200.0) internal successors, (6000), 30 states have internal predecessors, (6000), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 07:09:10,315 INFO L81 ComplementDD]: Finished complementDD. Result has 30 states, 30 states have (on average 200.0) internal successors, (6000), 30 states have internal predecessors, (6000), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 07:09:10,315 INFO L185 Difference]: Start difference. First operand has 204 places, 811 transitions, 17929 flow. Second operand 29 states and 3971 transitions. [2021-06-11 07:09:10,315 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 232 places, 1052 transitions, 23657 flow [2021-06-11 07:09:38,467 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 213 places, 1052 transitions, 22728 flow, removed 58 selfloop flow, removed 19 redundant places. [2021-06-11 07:09:38,489 INFO L241 Difference]: Finished difference. Result has 216 places, 847 transitions, 19222 flow [2021-06-11 07:09:38,489 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=200, PETRI_DIFFERENCE_MINUEND_FLOW=17016, PETRI_DIFFERENCE_MINUEND_PLACES=185, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=811, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=575, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=225, PETRI_DIFFERENCE_SUBTRAHEND_STATES=29, PETRI_FLOW=19222, PETRI_PLACES=216, PETRI_TRANSITIONS=847} [2021-06-11 07:09:38,490 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 177 predicate places. [2021-06-11 07:09:38,490 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 07:09:38,490 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 216 places, 847 transitions, 19222 flow [2021-06-11 07:09:38,490 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 216 places, 847 transitions, 19222 flow [2021-06-11 07:09:38,499 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 216 places, 847 transitions, 19222 flow [2021-06-11 07:09:42,539 INFO L129 PetriNetUnfolder]: 9832/18346 cut-off events. [2021-06-11 07:09:42,539 INFO L130 PetriNetUnfolder]: For 858557/1488321 co-relation queries the response was YES. [2021-06-11 07:09:42,686 INFO L84 FinitePrefix]: Finished finitePrefix Result has 206387 conditions, 18346 events. 9832/18346 cut-off events. For 858557/1488321 co-relation queries the response was YES. Maximal size of possible extension queue 2278. Compared 185830 event pairs, 827 based on Foata normal form. 349/17760 useless extension candidates. Maximal degree in co-relation 206322. Up to 15167 conditions per place. [2021-06-11 07:09:42,960 INFO L151 LiptonReduction]: Number of co-enabled transitions 10858 [2021-06-11 07:09:43,065 INFO L163 LiptonReduction]: Checked pairs total: 101232 [2021-06-11 07:09:43,066 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 07:09:43,066 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 4576 [2021-06-11 07:09:43,066 INFO L480 AbstractCegarLoop]: Abstraction has has 216 places, 847 transitions, 19222 flow [2021-06-11 07:09:43,067 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 129.22222222222223) internal successors, (1163), 9 states have internal predecessors, (1163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 07:09:43,067 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 07:09:43,067 INFO L263 CegarLoopForPetriNet]: trace histogram [5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 07:09:43,067 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2021-06-11 07:09:43,067 INFO L428 AbstractCegarLoop]: === Iteration 18 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-11 07:09:43,067 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 07:09:43,067 INFO L82 PathProgramCache]: Analyzing trace with hash -403556844, now seen corresponding path program 1 times [2021-06-11 07:09:43,067 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 07:09:43,067 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [866754691] [2021-06-11 07:09:43,067 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 07:09:43,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-06-11 07:09:43,075 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-06-11 07:09:43,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-06-11 07:09:43,081 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-06-11 07:09:43,086 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-06-11 07:09:43,086 INFO L634 BasicCegarLoop]: Counterexample might be feasible [2021-06-11 07:09:43,086 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2021-06-11 07:09:43,086 WARN L342 ceAbstractionStarter]: 5 thread instances were not sufficient, I will increase this number and restart the analysis [2021-06-11 07:09:43,087 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 6 thread instances. [2021-06-11 07:09:43,106 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of6ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:43,106 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of6ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:43,106 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:43,106 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:43,107 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of6ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:43,107 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of6ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:43,107 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:43,107 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:43,107 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:43,107 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:43,107 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:43,107 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:43,107 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:43,107 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:43,107 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:43,107 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:43,107 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:43,107 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:43,108 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread6of6ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:43,108 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread6of6ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:43,108 WARN L313 ript$VariableManager]: TermVariabe thr2Thread6of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:43,108 WARN L313 ript$VariableManager]: TermVariabe thr2Thread6of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:43,108 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread6of6ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:43,108 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread6of6ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:43,108 WARN L313 ript$VariableManager]: TermVariabe thr2Thread6of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:43,108 WARN L313 ript$VariableManager]: TermVariabe thr2Thread6of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:43,108 WARN L313 ript$VariableManager]: TermVariabe thr2Thread6of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:43,108 WARN L313 ript$VariableManager]: TermVariabe thr2Thread6of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:43,108 WARN L313 ript$VariableManager]: TermVariabe thr2Thread6of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:43,108 WARN L313 ript$VariableManager]: TermVariabe thr2Thread6of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:43,108 WARN L313 ript$VariableManager]: TermVariabe thr2Thread6of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:43,108 WARN L313 ript$VariableManager]: TermVariabe thr2Thread6of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:43,108 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread6of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:43,108 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread6of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:43,109 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread6of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:43,109 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread6of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:43,109 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of6ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:43,109 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of6ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:43,109 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:43,109 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:43,109 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of6ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:43,109 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of6ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:43,109 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:43,109 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:43,109 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:43,109 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:43,109 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:43,109 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:43,109 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:43,110 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:43,110 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:43,110 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:43,110 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:43,110 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:43,110 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of6ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:43,110 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of6ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:43,110 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:43,110 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:43,110 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of6ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:43,110 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of6ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:43,110 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:43,110 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:43,110 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:43,110 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:43,110 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:43,111 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:43,111 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:43,111 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:43,111 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:43,111 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:43,111 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:43,111 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:43,111 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of6ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:43,111 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of6ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:43,111 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:43,111 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:43,111 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of6ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:43,111 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of6ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:43,111 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:43,111 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:43,111 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:43,112 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:43,112 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:43,112 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:43,112 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:43,112 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:43,112 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:43,112 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:43,112 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:43,112 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:43,112 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of6ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:43,112 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of6ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:43,112 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:43,112 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:43,112 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of6ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:43,112 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of6ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:43,113 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:43,113 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:43,113 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:43,113 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:43,113 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:43,113 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:43,113 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:43,113 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:43,113 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:43,113 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:43,113 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:43,113 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:43,113 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of6ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:43,113 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of6ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:43,114 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of6ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:43,114 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of6ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:43,114 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of6ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:43,114 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of6ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:43,114 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of6ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:43,114 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of6ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:43,114 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of6ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:43,114 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of6ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:43,114 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:43,114 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:43,114 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of6ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:43,114 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:43,114 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of6ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:43,114 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:43,114 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:43,114 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:43,115 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:43,115 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:43,115 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of6ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:43,115 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of6ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:43,115 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of6ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:43,115 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of6ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:43,115 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of6ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:43,115 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of6ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:43,115 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of6ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:43,115 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of6ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:43,115 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of6ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:43,115 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of6ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:43,115 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of6ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:43,115 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of6ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:43,116 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of6ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:43,116 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of6ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:43,116 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:43,116 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:43,116 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of6ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:43,116 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:43,116 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of6ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:43,116 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:43,116 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:43,116 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:43,116 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:43,116 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:43,116 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of6ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:43,116 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of6ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:43,116 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of6ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:43,117 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of6ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:43,117 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of6ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:43,117 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of6ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:43,117 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of6ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:43,117 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of6ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:43,117 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of6ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:43,117 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of6ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:43,117 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of6ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:43,117 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of6ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:43,117 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of6ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:43,117 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of6ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:43,117 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:43,117 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:43,117 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of6ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:43,117 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:43,118 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of6ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:43,118 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:43,118 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:43,118 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:43,118 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:43,118 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:43,118 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of6ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:43,118 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of6ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:43,118 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of6ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:43,118 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of6ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:43,118 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread6of6ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:43,118 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread6of6ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:43,118 WARN L313 ript$VariableManager]: TermVariabe thr1Thread6of6ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:43,118 WARN L313 ript$VariableManager]: TermVariabe thr1Thread6of6ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:43,118 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread6of6ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:43,119 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread6of6ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:43,119 WARN L313 ript$VariableManager]: TermVariabe thr1Thread6of6ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:43,119 WARN L313 ript$VariableManager]: TermVariabe thr1Thread6of6ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:43,119 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread6of6ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:43,119 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread6of6ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:43,119 WARN L313 ript$VariableManager]: TermVariabe thr1Thread6of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:43,119 WARN L313 ript$VariableManager]: TermVariabe thr1Thread6of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:43,119 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread6of6ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:43,119 WARN L313 ript$VariableManager]: TermVariabe thr1Thread6of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:43,119 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread6of6ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:43,119 WARN L313 ript$VariableManager]: TermVariabe thr1Thread6of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:43,119 WARN L313 ript$VariableManager]: TermVariabe thr1Thread6of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:43,119 WARN L313 ript$VariableManager]: TermVariabe thr1Thread6of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:43,119 WARN L313 ript$VariableManager]: TermVariabe thr1Thread6of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:43,119 WARN L313 ript$VariableManager]: TermVariabe thr1Thread6of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:43,120 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread6of6ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:43,120 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread6of6ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:43,120 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread6of6ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:43,120 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread6of6ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:43,120 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of6ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:43,120 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of6ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:43,121 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of6ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:43,121 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of6ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:43,121 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of6ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:43,121 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of6ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:43,121 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of6ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:43,121 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of6ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:43,121 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of6ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:43,121 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of6ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:43,121 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:43,121 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:43,121 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of6ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:43,121 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:43,121 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of6ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:43,121 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:43,121 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:43,121 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:43,122 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:43,122 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:43,122 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of6ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:43,122 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of6ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:43,122 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of6ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:43,122 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of6ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:43,122 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of6ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:43,122 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of6ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:43,122 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of6ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:43,122 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of6ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:43,122 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of6ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:43,122 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of6ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:43,122 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of6ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:43,122 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of6ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:43,122 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of6ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:43,123 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of6ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:43,123 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:43,123 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:43,123 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of6ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:43,123 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:43,123 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of6ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:43,123 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:43,123 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:43,123 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:43,123 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:43,123 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:43,123 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of6ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:43,123 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of6ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:43,123 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of6ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:43,123 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of6ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:43,124 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:43,124 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:43,124 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:43,124 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:43,124 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:43,125 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:43,125 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:43,125 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:43,125 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:43,125 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:43,126 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:43,126 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:43,126 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:43,127 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:43,127 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:43,127 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:43,127 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:43,128 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:43,128 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:43,128 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:43,128 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:43,129 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:43,129 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:43,129 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:43,129 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:43,130 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread6of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:43,130 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread6of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:43,130 WARN L313 ript$VariableManager]: TermVariabe thr2Thread6of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:43,130 WARN L313 ript$VariableManager]: TermVariabe thr2Thread6of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:43,130 WARN L313 ript$VariableManager]: TermVariabe thr2Thread6of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:43,131 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of6ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:43,131 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of6ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:43,131 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of6ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:43,131 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of6ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:43,131 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:43,131 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of6ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:43,132 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of6ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:43,132 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of6ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:43,132 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of6ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:43,132 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of6ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:43,132 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of6ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:43,132 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:43,133 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of6ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:43,133 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of6ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:43,133 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of6ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:43,134 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of6ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:43,134 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:43,134 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of6ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:43,135 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of6ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:43,135 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of6ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:43,135 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of6ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:43,135 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of6ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:43,135 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:43,135 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of6ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:43,136 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:43,136 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of6ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:43,136 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of6ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:43,136 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of6ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:43,136 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of6ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:43,136 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of6ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:43,137 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread6of6ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:43,137 WARN L313 ript$VariableManager]: TermVariabe thr1Thread6of6ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:43,137 WARN L313 ript$VariableManager]: TermVariabe thr1Thread6of6ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:43,137 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread6of6ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:43,137 WARN L313 ript$VariableManager]: TermVariabe thr1Thread6of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:43,137 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread6of6ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:43,138 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-06-11 07:09:43,138 INFO L253 AbstractCegarLoop]: Starting to check reachability of 9 error locations. [2021-06-11 07:09:43,139 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-06-11 07:09:43,139 INFO L377 AbstractCegarLoop]: Hoare is false [2021-06-11 07:09:43,139 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-11 07:09:43,139 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-11 07:09:43,139 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-11 07:09:43,139 INFO L381 AbstractCegarLoop]: Difference is false [2021-06-11 07:09:43,139 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-11 07:09:43,139 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-06-11 07:09:43,140 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 170 places, 151 transitions, 422 flow [2021-06-11 07:09:43,152 INFO L129 PetriNetUnfolder]: 8/176 cut-off events. [2021-06-11 07:09:43,152 INFO L130 PetriNetUnfolder]: For 50/50 co-relation queries the response was YES. [2021-06-11 07:09:43,153 INFO L84 FinitePrefix]: Finished finitePrefix Result has 224 conditions, 176 events. 8/176 cut-off events. For 50/50 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 300 event pairs, 0 based on Foata normal form. 0/160 useless extension candidates. Maximal degree in co-relation 211. Up to 14 conditions per place. [2021-06-11 07:09:43,153 INFO L82 GeneralOperation]: Start removeDead. Operand has 170 places, 151 transitions, 422 flow [2021-06-11 07:09:43,154 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 104 places, 90 transitions, 243 flow [2021-06-11 07:09:43,154 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 07:09:43,154 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 104 places, 90 transitions, 243 flow [2021-06-11 07:09:43,154 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 104 places, 90 transitions, 243 flow [2021-06-11 07:09:43,155 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 104 places, 90 transitions, 243 flow [2021-06-11 07:09:43,165 INFO L129 PetriNetUnfolder]: 8/176 cut-off events. [2021-06-11 07:09:43,165 INFO L130 PetriNetUnfolder]: For 50/50 co-relation queries the response was YES. [2021-06-11 07:09:43,166 INFO L84 FinitePrefix]: Finished finitePrefix Result has 219 conditions, 176 events. 8/176 cut-off events. For 50/50 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 318 event pairs, 0 based on Foata normal form. 0/160 useless extension candidates. Maximal degree in co-relation 190. Up to 14 conditions per place. [2021-06-11 07:09:43,168 INFO L151 LiptonReduction]: Number of co-enabled transitions 3732 [2021-06-11 07:09:43,256 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:09:43,257 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 07:09:43,258 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:09:43,258 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 07:09:43,259 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 07:09:43,276 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:09:43,277 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:09:43,282 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:09:43,283 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:09:43,301 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:09:43,302 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:09:43,310 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:09:43,311 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:09:43,335 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:09:43,335 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:09:43,342 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:09:43,343 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:09:43,387 INFO L142 QuantifierPusher]: treesize reduction 1, result has 94.1 percent of original size [2021-06-11 07:09:43,388 INFO L147 QuantifierPusher]: treesize reduction 6, result has 14.3 percent of original size 1 [2021-06-11 07:09:43,412 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:09:43,413 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:09:43,441 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:09:43,468 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:09:43,488 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:09:43,489 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:09:43,539 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:09:43,540 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:09:43,546 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:09:43,547 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:09:43,573 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:09:43,575 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:09:43,581 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:09:43,581 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:09:43,588 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:09:43,588 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:09:43,669 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:09:43,670 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:09:43,682 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:09:43,683 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:09:43,732 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:09:43,733 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 07:09:43,737 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:09:43,737 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 07:09:43,738 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 07:09:43,751 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:09:43,752 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:09:43,773 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:09:43,773 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:09:43,820 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:09:43,821 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:09:43,840 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:09:43,841 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:09:43,908 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:09:43,908 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:09:43,967 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:09:43,968 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 07:09:43,969 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:09:43,969 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 07:09:43,970 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 07:09:43,994 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:09:43,995 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:09:44,032 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:09:44,033 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:09:44,093 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:09:44,094 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:09:44,110 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:09:44,111 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:09:44,124 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:09:44,125 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:09:44,217 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:09:44,218 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 07:09:44,219 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:09:44,219 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 07:09:44,219 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 07:09:44,238 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:09:44,239 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:09:44,255 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:09:44,255 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:09:44,269 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:09:44,270 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:09:44,285 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:09:44,286 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:09:44,306 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:09:44,321 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:09:44,342 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:09:44,343 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:09:44,464 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 10 [2021-06-11 07:09:44,481 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:09:44,482 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:09:44,607 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:09:44,608 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:09:44,732 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:09:44,733 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:09:44,758 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:09:44,759 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:09:44,801 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:09:44,804 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:09:44,993 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:09:44,995 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 07:09:44,996 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:09:44,996 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 07:09:44,996 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:09:44,997 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 07:09:44,997 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 07:09:44,997 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 07:09:44,997 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:09:44,998 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 07:09:45,000 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:09:45,009 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 07:09:45,009 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-11 07:09:45,010 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 07:09:45,010 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:09:45,011 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-11 07:09:45,012 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-06-11 07:09:45,079 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:09:45,080 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:09:45,324 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:09:45,325 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 07:09:45,325 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:09:45,326 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 07:09:45,327 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-06-11 07:09:45,498 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 87 [2021-06-11 07:09:45,735 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 87 [2021-06-11 07:09:45,815 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:09:45,816 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 07:09:45,829 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:09:45,829 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 07:09:45,830 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:09:45,830 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 07:09:45,831 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 07:09:45,831 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 07:09:45,831 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:09:45,832 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 07:09:45,832 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:09:45,832 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 07:09:45,833 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-11 07:09:45,833 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 07:09:45,833 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:09:45,834 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-11 07:09:45,835 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-06-11 07:09:45,845 INFO L163 LiptonReduction]: Checked pairs total: 4257 [2021-06-11 07:09:45,845 INFO L165 LiptonReduction]: Total number of compositions: 70 [2021-06-11 07:09:45,846 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2692 [2021-06-11 07:09:45,847 INFO L129 PetriNetUnfolder]: 0/4 cut-off events. [2021-06-11 07:09:45,847 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-06-11 07:09:45,847 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 07:09:45,847 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1] [2021-06-11 07:09:45,847 INFO L428 AbstractCegarLoop]: === Iteration 1 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-11 07:09:45,848 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 07:09:45,848 INFO L82 PathProgramCache]: Analyzing trace with hash 1196220, now seen corresponding path program 1 times [2021-06-11 07:09:45,848 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 07:09:45,848 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [790789480] [2021-06-11 07:09:45,848 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 07:09:45,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 07:09:45,860 INFO L142 QuantifierPusher]: treesize reduction 5, result has 37.5 percent of original size [2021-06-11 07:09:45,860 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:09:45,863 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 07:09:45,863 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [790789480] [2021-06-11 07:09:45,863 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 07:09:45,863 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-06-11 07:09:45,863 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [951263418] [2021-06-11 07:09:45,863 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-11 07:09:45,863 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 07:09:45,864 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-11 07:09:45,864 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-11 07:09:45,864 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 150 out of 221 [2021-06-11 07:09:45,865 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 44 places, 28 transitions, 119 flow. Second operand has 3 states, 3 states have (on average 150.66666666666666) internal successors, (452), 3 states have internal predecessors, (452), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 07:09:45,865 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 07:09:45,865 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 150 of 221 [2021-06-11 07:09:45,865 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 07:09:46,527 INFO L129 PetriNetUnfolder]: 9503/12320 cut-off events. [2021-06-11 07:09:46,527 INFO L130 PetriNetUnfolder]: For 50/50 co-relation queries the response was YES. [2021-06-11 07:09:46,555 INFO L84 FinitePrefix]: Finished finitePrefix Result has 24655 conditions, 12320 events. 9503/12320 cut-off events. For 50/50 co-relation queries the response was YES. Maximal size of possible extension queue 851. Compared 62303 event pairs, 3020 based on Foata normal form. 0/11287 useless extension candidates. Maximal degree in co-relation 24641. Up to 9912 conditions per place. [2021-06-11 07:09:46,595 INFO L132 encePairwiseOnDemand]: 211/221 looper letters, 20 selfloop transitions, 8 changer transitions 0/40 dead transitions. [2021-06-11 07:09:46,595 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 45 places, 40 transitions, 199 flow [2021-06-11 07:09:46,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-11 07:09:46,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-06-11 07:09:46,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 481 transitions. [2021-06-11 07:09:46,596 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7254901960784313 [2021-06-11 07:09:46,596 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 481 transitions. [2021-06-11 07:09:46,596 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 481 transitions. [2021-06-11 07:09:46,596 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 07:09:46,597 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 481 transitions. [2021-06-11 07:09:46,597 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 160.33333333333334) internal successors, (481), 3 states have internal predecessors, (481), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 07:09:46,598 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 221.0) internal successors, (884), 4 states have internal predecessors, (884), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 07:09:46,598 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 221.0) internal successors, (884), 4 states have internal predecessors, (884), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 07:09:46,598 INFO L185 Difference]: Start difference. First operand has 44 places, 28 transitions, 119 flow. Second operand 3 states and 481 transitions. [2021-06-11 07:09:46,598 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 45 places, 40 transitions, 199 flow [2021-06-11 07:09:46,599 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 44 places, 40 transitions, 168 flow, removed 15 selfloop flow, removed 1 redundant places. [2021-06-11 07:09:46,599 INFO L241 Difference]: Finished difference. Result has 46 places, 34 transitions, 148 flow [2021-06-11 07:09:46,599 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=221, PETRI_DIFFERENCE_MINUEND_FLOW=86, PETRI_DIFFERENCE_MINUEND_PLACES=42, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=27, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=19, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=148, PETRI_PLACES=46, PETRI_TRANSITIONS=34} [2021-06-11 07:09:46,600 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 2 predicate places. [2021-06-11 07:09:46,600 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 07:09:46,600 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 46 places, 34 transitions, 148 flow [2021-06-11 07:09:46,600 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 46 places, 34 transitions, 148 flow [2021-06-11 07:09:46,600 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 46 places, 34 transitions, 148 flow [2021-06-11 07:09:46,640 INFO L129 PetriNetUnfolder]: 630/919 cut-off events. [2021-06-11 07:09:46,640 INFO L130 PetriNetUnfolder]: For 103/442 co-relation queries the response was YES. [2021-06-11 07:09:46,643 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2094 conditions, 919 events. 630/919 cut-off events. For 103/442 co-relation queries the response was YES. Maximal size of possible extension queue 101. Compared 4070 event pairs, 289 based on Foata normal form. 0/788 useless extension candidates. Maximal degree in co-relation 2079. Up to 820 conditions per place. [2021-06-11 07:09:46,648 INFO L151 LiptonReduction]: Number of co-enabled transitions 476 [2021-06-11 07:09:46,660 INFO L163 LiptonReduction]: Checked pairs total: 294 [2021-06-11 07:09:46,660 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 07:09:46,660 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 60 [2021-06-11 07:09:46,660 INFO L480 AbstractCegarLoop]: Abstraction has has 46 places, 34 transitions, 148 flow [2021-06-11 07:09:46,661 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 150.66666666666666) internal successors, (452), 3 states have internal predecessors, (452), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 07:09:46,661 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 07:09:46,661 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 07:09:46,661 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2021-06-11 07:09:46,661 INFO L428 AbstractCegarLoop]: === Iteration 2 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-11 07:09:46,661 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 07:09:46,661 INFO L82 PathProgramCache]: Analyzing trace with hash -1181928294, now seen corresponding path program 1 times [2021-06-11 07:09:46,661 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 07:09:46,661 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1068524015] [2021-06-11 07:09:46,661 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 07:09:46,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 07:09:46,671 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:09:46,672 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:09:46,674 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:09:46,674 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:09:46,678 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:09:46,678 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:09:46,682 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 07:09:46,682 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1068524015] [2021-06-11 07:09:46,682 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 07:09:46,682 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-06-11 07:09:46,682 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1244183507] [2021-06-11 07:09:46,682 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-06-11 07:09:46,682 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 07:09:46,683 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-06-11 07:09:46,683 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-06-11 07:09:46,683 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 148 out of 221 [2021-06-11 07:09:46,684 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 46 places, 34 transitions, 148 flow. Second operand has 5 states, 5 states have (on average 149.0) internal successors, (745), 5 states have internal predecessors, (745), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 07:09:46,684 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 07:09:46,684 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 148 of 221 [2021-06-11 07:09:46,684 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 07:09:47,877 INFO L129 PetriNetUnfolder]: 16511/21829 cut-off events. [2021-06-11 07:09:47,878 INFO L130 PetriNetUnfolder]: For 5292/5292 co-relation queries the response was YES. [2021-06-11 07:09:47,987 INFO L84 FinitePrefix]: Finished finitePrefix Result has 60328 conditions, 21829 events. 16511/21829 cut-off events. For 5292/5292 co-relation queries the response was YES. Maximal size of possible extension queue 1624. Compared 125586 event pairs, 5865 based on Foata normal form. 243/21562 useless extension candidates. Maximal degree in co-relation 60311. Up to 11168 conditions per place. [2021-06-11 07:09:48,080 INFO L132 encePairwiseOnDemand]: 212/221 looper letters, 56 selfloop transitions, 25 changer transitions 0/92 dead transitions. [2021-06-11 07:09:48,080 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 51 places, 92 transitions, 548 flow [2021-06-11 07:09:48,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-11 07:09:48,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-06-11 07:09:48,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 953 transitions. [2021-06-11 07:09:48,081 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7187028657616893 [2021-06-11 07:09:48,081 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 953 transitions. [2021-06-11 07:09:48,081 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 953 transitions. [2021-06-11 07:09:48,082 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 07:09:48,082 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 953 transitions. [2021-06-11 07:09:48,082 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 158.83333333333334) internal successors, (953), 6 states have internal predecessors, (953), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 07:09:48,083 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 221.0) internal successors, (1547), 7 states have internal predecessors, (1547), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 07:09:48,083 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 221.0) internal successors, (1547), 7 states have internal predecessors, (1547), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 07:09:48,083 INFO L185 Difference]: Start difference. First operand has 46 places, 34 transitions, 148 flow. Second operand 6 states and 953 transitions. [2021-06-11 07:09:48,083 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 51 places, 92 transitions, 548 flow [2021-06-11 07:09:48,114 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 49 places, 92 transitions, 484 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-06-11 07:09:48,115 INFO L241 Difference]: Finished difference. Result has 52 places, 63 transitions, 371 flow [2021-06-11 07:09:48,115 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=221, PETRI_DIFFERENCE_MINUEND_FLOW=132, PETRI_DIFFERENCE_MINUEND_PLACES=44, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=34, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=20, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=371, PETRI_PLACES=52, PETRI_TRANSITIONS=63} [2021-06-11 07:09:48,115 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 8 predicate places. [2021-06-11 07:09:48,116 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 07:09:48,116 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 52 places, 63 transitions, 371 flow [2021-06-11 07:09:48,116 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 52 places, 63 transitions, 371 flow [2021-06-11 07:09:48,116 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 52 places, 63 transitions, 371 flow [2021-06-11 07:09:48,214 INFO L129 PetriNetUnfolder]: 1442/2112 cut-off events. [2021-06-11 07:09:48,215 INFO L130 PetriNetUnfolder]: For 1434/14552 co-relation queries the response was YES. [2021-06-11 07:09:48,220 INFO L84 FinitePrefix]: Finished finitePrefix Result has 6582 conditions, 2112 events. 1442/2112 cut-off events. For 1434/14552 co-relation queries the response was YES. Maximal size of possible extension queue 210. Compared 10753 event pairs, 463 based on Foata normal form. 1/1863 useless extension candidates. Maximal degree in co-relation 6564. Up to 1910 conditions per place. [2021-06-11 07:09:48,236 INFO L151 LiptonReduction]: Number of co-enabled transitions 1072 [2021-06-11 07:09:48,243 INFO L163 LiptonReduction]: Checked pairs total: 1680 [2021-06-11 07:09:48,243 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 07:09:48,244 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 128 [2021-06-11 07:09:48,244 INFO L480 AbstractCegarLoop]: Abstraction has has 52 places, 63 transitions, 371 flow [2021-06-11 07:09:48,244 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 149.0) internal successors, (745), 5 states have internal predecessors, (745), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 07:09:48,244 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 07:09:48,244 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 07:09:48,244 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2021-06-11 07:09:48,245 INFO L428 AbstractCegarLoop]: === Iteration 3 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-11 07:09:48,245 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 07:09:48,245 INFO L82 PathProgramCache]: Analyzing trace with hash -772703441, now seen corresponding path program 1 times [2021-06-11 07:09:48,245 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 07:09:48,245 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [725980609] [2021-06-11 07:09:48,245 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 07:09:48,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 07:09:48,262 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:09:48,262 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:09:48,265 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:09:48,265 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:09:48,268 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:09:48,269 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:09:48,272 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-06-11 07:09:48,272 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [725980609] [2021-06-11 07:09:48,272 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 07:09:48,272 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-06-11 07:09:48,273 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1402723964] [2021-06-11 07:09:48,273 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-06-11 07:09:48,273 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 07:09:48,273 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-06-11 07:09:48,273 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-06-11 07:09:48,274 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 147 out of 221 [2021-06-11 07:09:48,274 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 52 places, 63 transitions, 371 flow. Second operand has 5 states, 5 states have (on average 148.0) internal successors, (740), 5 states have internal predecessors, (740), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 07:09:48,274 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 07:09:48,274 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 147 of 221 [2021-06-11 07:09:48,274 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 07:09:50,646 INFO L129 PetriNetUnfolder]: 28168/37943 cut-off events. [2021-06-11 07:09:50,646 INFO L130 PetriNetUnfolder]: For 27715/27715 co-relation queries the response was YES. [2021-06-11 07:09:50,876 INFO L84 FinitePrefix]: Finished finitePrefix Result has 124719 conditions, 37943 events. 28168/37943 cut-off events. For 27715/27715 co-relation queries the response was YES. Maximal size of possible extension queue 2968. Compared 246065 event pairs, 11109 based on Foata normal form. 389/37648 useless extension candidates. Maximal degree in co-relation 124699. Up to 20140 conditions per place. [2021-06-11 07:09:51,248 INFO L132 encePairwiseOnDemand]: 212/221 looper letters, 88 selfloop transitions, 43 changer transitions 0/142 dead transitions. [2021-06-11 07:09:51,248 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 57 places, 142 transitions, 1066 flow [2021-06-11 07:09:51,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-11 07:09:51,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-06-11 07:09:51,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 948 transitions. [2021-06-11 07:09:51,250 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7149321266968326 [2021-06-11 07:09:51,250 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 948 transitions. [2021-06-11 07:09:51,250 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 948 transitions. [2021-06-11 07:09:51,250 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 07:09:51,250 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 948 transitions. [2021-06-11 07:09:51,251 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 158.0) internal successors, (948), 6 states have internal predecessors, (948), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 07:09:51,251 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 221.0) internal successors, (1547), 7 states have internal predecessors, (1547), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 07:09:51,251 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 221.0) internal successors, (1547), 7 states have internal predecessors, (1547), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 07:09:51,251 INFO L185 Difference]: Start difference. First operand has 52 places, 63 transitions, 371 flow. Second operand 6 states and 948 transitions. [2021-06-11 07:09:51,252 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 57 places, 142 transitions, 1066 flow [2021-06-11 07:09:51,280 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 57 places, 142 transitions, 1066 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-06-11 07:09:51,281 INFO L241 Difference]: Finished difference. Result has 60 places, 94 transitions, 766 flow [2021-06-11 07:09:51,281 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=221, PETRI_DIFFERENCE_MINUEND_FLOW=371, PETRI_DIFFERENCE_MINUEND_PLACES=52, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=63, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=12, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=29, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=766, PETRI_PLACES=60, PETRI_TRANSITIONS=94} [2021-06-11 07:09:51,282 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 16 predicate places. [2021-06-11 07:09:51,282 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 07:09:51,282 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 60 places, 94 transitions, 766 flow [2021-06-11 07:09:51,282 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 60 places, 94 transitions, 766 flow [2021-06-11 07:09:51,282 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 60 places, 94 transitions, 766 flow [2021-06-11 07:09:51,546 INFO L129 PetriNetUnfolder]: 3188/4727 cut-off events. [2021-06-11 07:09:51,546 INFO L130 PetriNetUnfolder]: For 11951/115243 co-relation queries the response was YES. [2021-06-11 07:09:51,566 INFO L84 FinitePrefix]: Finished finitePrefix Result has 19411 conditions, 4727 events. 3188/4727 cut-off events. For 11951/115243 co-relation queries the response was YES. Maximal size of possible extension queue 426. Compared 27745 event pairs, 768 based on Foata normal form. 6/4283 useless extension candidates. Maximal degree in co-relation 19388. Up to 4287 conditions per place. [2021-06-11 07:09:51,614 INFO L151 LiptonReduction]: Number of co-enabled transitions 1664 [2021-06-11 07:09:51,619 INFO L163 LiptonReduction]: Checked pairs total: 3528 [2021-06-11 07:09:51,619 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 07:09:51,619 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 337 [2021-06-11 07:09:51,620 INFO L480 AbstractCegarLoop]: Abstraction has has 60 places, 94 transitions, 766 flow [2021-06-11 07:09:51,620 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 148.0) internal successors, (740), 5 states have internal predecessors, (740), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 07:09:51,620 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 07:09:51,620 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 07:09:51,620 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2021-06-11 07:09:51,620 INFO L428 AbstractCegarLoop]: === Iteration 4 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-11 07:09:51,620 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 07:09:51,621 INFO L82 PathProgramCache]: Analyzing trace with hash 466216504, now seen corresponding path program 1 times [2021-06-11 07:09:51,621 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 07:09:51,621 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [80363725] [2021-06-11 07:09:51,621 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 07:09:51,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 07:09:51,633 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:09:51,633 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:09:51,635 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:09:51,636 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:09:51,639 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:09:51,639 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:09:51,643 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:09:51,643 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:09:51,648 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:09:51,648 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:09:51,654 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-06-11 07:09:51,654 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [80363725] [2021-06-11 07:09:51,654 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 07:09:51,654 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-06-11 07:09:51,654 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2070709745] [2021-06-11 07:09:51,654 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-06-11 07:09:51,654 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 07:09:51,655 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-06-11 07:09:51,655 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-06-11 07:09:51,656 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 145 out of 221 [2021-06-11 07:09:51,656 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 60 places, 94 transitions, 766 flow. Second operand has 7 states, 7 states have (on average 146.14285714285714) internal successors, (1023), 7 states have internal predecessors, (1023), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 07:09:51,656 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 07:09:51,656 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 145 of 221 [2021-06-11 07:09:51,656 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 07:09:54,839 INFO L129 PetriNetUnfolder]: 30407/41207 cut-off events. [2021-06-11 07:09:54,840 INFO L130 PetriNetUnfolder]: For 52340/52340 co-relation queries the response was YES. [2021-06-11 07:09:55,123 INFO L84 FinitePrefix]: Finished finitePrefix Result has 161491 conditions, 41207 events. 30407/41207 cut-off events. For 52340/52340 co-relation queries the response was YES. Maximal size of possible extension queue 3273. Compared 275424 event pairs, 5163 based on Foata normal form. 81/40606 useless extension candidates. Maximal degree in co-relation 161466. Up to 21958 conditions per place. [2021-06-11 07:09:55,518 INFO L132 encePairwiseOnDemand]: 211/221 looper letters, 113 selfloop transitions, 86 changer transitions 0/209 dead transitions. [2021-06-11 07:09:55,518 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 72 places, 209 transitions, 1774 flow [2021-06-11 07:09:55,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-11 07:09:55,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-06-11 07:09:55,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 2029 transitions. [2021-06-11 07:09:55,521 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7062304211625479 [2021-06-11 07:09:55,522 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 2029 transitions. [2021-06-11 07:09:55,522 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 2029 transitions. [2021-06-11 07:09:55,522 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 07:09:55,522 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 2029 transitions. [2021-06-11 07:09:55,524 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 156.07692307692307) internal successors, (2029), 13 states have internal predecessors, (2029), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 07:09:55,526 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 221.0) internal successors, (3094), 14 states have internal predecessors, (3094), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 07:09:55,526 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 221.0) internal successors, (3094), 14 states have internal predecessors, (3094), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 07:09:55,526 INFO L185 Difference]: Start difference. First operand has 60 places, 94 transitions, 766 flow. Second operand 13 states and 2029 transitions. [2021-06-11 07:09:55,526 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 72 places, 209 transitions, 1774 flow [2021-06-11 07:09:55,795 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 71 places, 209 transitions, 1748 flow, removed 8 selfloop flow, removed 1 redundant places. [2021-06-11 07:09:55,797 INFO L241 Difference]: Finished difference. Result has 74 places, 124 transitions, 1259 flow [2021-06-11 07:09:55,797 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=221, PETRI_DIFFERENCE_MINUEND_FLOW=748, PETRI_DIFFERENCE_MINUEND_PLACES=59, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=94, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=56, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=27, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=1259, PETRI_PLACES=74, PETRI_TRANSITIONS=124} [2021-06-11 07:09:55,797 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 30 predicate places. [2021-06-11 07:09:55,797 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 07:09:55,798 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 74 places, 124 transitions, 1259 flow [2021-06-11 07:09:55,798 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 74 places, 124 transitions, 1259 flow [2021-06-11 07:09:55,798 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 74 places, 124 transitions, 1259 flow [2021-06-11 07:09:56,182 INFO L129 PetriNetUnfolder]: 3856/5729 cut-off events. [2021-06-11 07:09:56,182 INFO L130 PetriNetUnfolder]: For 30017/231382 co-relation queries the response was YES. [2021-06-11 07:09:56,209 INFO L84 FinitePrefix]: Finished finitePrefix Result has 28829 conditions, 5729 events. 3856/5729 cut-off events. For 30017/231382 co-relation queries the response was YES. Maximal size of possible extension queue 513. Compared 34827 event pairs, 849 based on Foata normal form. 5/5188 useless extension candidates. Maximal degree in co-relation 28802. Up to 5154 conditions per place. [2021-06-11 07:09:56,276 INFO L151 LiptonReduction]: Number of co-enabled transitions 2210 [2021-06-11 07:09:56,289 INFO L163 LiptonReduction]: Checked pairs total: 6698 [2021-06-11 07:09:56,289 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 07:09:56,289 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 492 [2021-06-11 07:09:56,289 INFO L480 AbstractCegarLoop]: Abstraction has has 74 places, 124 transitions, 1259 flow [2021-06-11 07:09:56,290 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 146.14285714285714) internal successors, (1023), 7 states have internal predecessors, (1023), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 07:09:56,290 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 07:09:56,290 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 07:09:56,290 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2021-06-11 07:09:56,290 INFO L428 AbstractCegarLoop]: === Iteration 5 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-11 07:09:56,290 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 07:09:56,290 INFO L82 PathProgramCache]: Analyzing trace with hash 461365624, now seen corresponding path program 2 times [2021-06-11 07:09:56,290 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 07:09:56,290 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1327402672] [2021-06-11 07:09:56,290 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 07:09:56,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 07:09:56,306 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:09:56,306 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:09:56,309 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:09:56,309 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:09:56,312 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:09:56,312 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:09:56,316 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:09:56,316 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:09:56,321 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:09:56,321 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:09:56,326 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-06-11 07:09:56,327 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1327402672] [2021-06-11 07:09:56,327 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 07:09:56,327 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-06-11 07:09:56,327 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [686507504] [2021-06-11 07:09:56,327 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-06-11 07:09:56,327 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 07:09:56,327 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-06-11 07:09:56,328 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-06-11 07:09:56,328 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 145 out of 221 [2021-06-11 07:09:56,329 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 74 places, 124 transitions, 1259 flow. Second operand has 7 states, 7 states have (on average 146.14285714285714) internal successors, (1023), 7 states have internal predecessors, (1023), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 07:09:56,329 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 07:09:56,329 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 145 of 221 [2021-06-11 07:09:56,329 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 07:10:00,382 INFO L129 PetriNetUnfolder]: 32645/44509 cut-off events. [2021-06-11 07:10:00,382 INFO L130 PetriNetUnfolder]: For 133223/133223 co-relation queries the response was YES. [2021-06-11 07:10:00,659 INFO L84 FinitePrefix]: Finished finitePrefix Result has 199319 conditions, 44509 events. 32645/44509 cut-off events. For 133223/133223 co-relation queries the response was YES. Maximal size of possible extension queue 3577. Compared 302357 event pairs, 8528 based on Foata normal form. 81/43741 useless extension candidates. Maximal degree in co-relation 199290. Up to 23776 conditions per place. [2021-06-11 07:10:00,883 INFO L132 encePairwiseOnDemand]: 211/221 looper letters, 127 selfloop transitions, 104 changer transitions 0/241 dead transitions. [2021-06-11 07:10:00,883 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 86 places, 241 transitions, 2445 flow [2021-06-11 07:10:00,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-11 07:10:00,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-06-11 07:10:00,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 2029 transitions. [2021-06-11 07:10:00,885 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7062304211625479 [2021-06-11 07:10:00,885 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 2029 transitions. [2021-06-11 07:10:00,885 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 2029 transitions. [2021-06-11 07:10:00,886 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 07:10:00,886 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 2029 transitions. [2021-06-11 07:10:00,888 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 156.07692307692307) internal successors, (2029), 13 states have internal predecessors, (2029), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 07:10:00,889 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 221.0) internal successors, (3094), 14 states have internal predecessors, (3094), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 07:10:00,890 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 221.0) internal successors, (3094), 14 states have internal predecessors, (3094), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 07:10:00,890 INFO L185 Difference]: Start difference. First operand has 74 places, 124 transitions, 1259 flow. Second operand 13 states and 2029 transitions. [2021-06-11 07:10:00,890 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 86 places, 241 transitions, 2445 flow [2021-06-11 07:10:01,877 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 80 places, 241 transitions, 2298 flow, removed 27 selfloop flow, removed 6 redundant places. [2021-06-11 07:10:01,879 INFO L241 Difference]: Finished difference. Result has 83 places, 153 transitions, 1719 flow [2021-06-11 07:10:01,879 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=221, PETRI_DIFFERENCE_MINUEND_FLOW=1132, PETRI_DIFFERENCE_MINUEND_PLACES=68, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=124, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=75, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=38, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=1719, PETRI_PLACES=83, PETRI_TRANSITIONS=153} [2021-06-11 07:10:01,879 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 39 predicate places. [2021-06-11 07:10:01,879 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 07:10:01,880 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 83 places, 153 transitions, 1719 flow [2021-06-11 07:10:01,880 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 83 places, 153 transitions, 1719 flow [2021-06-11 07:10:01,881 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 83 places, 153 transitions, 1719 flow [2021-06-11 07:10:02,376 INFO L129 PetriNetUnfolder]: 4450/6644 cut-off events. [2021-06-11 07:10:02,376 INFO L130 PetriNetUnfolder]: For 49344/320102 co-relation queries the response was YES. [2021-06-11 07:10:02,414 INFO L84 FinitePrefix]: Finished finitePrefix Result has 38608 conditions, 6644 events. 4450/6644 cut-off events. For 49344/320102 co-relation queries the response was YES. Maximal size of possible extension queue 603. Compared 42642 event pairs, 925 based on Foata normal form. 23/6029 useless extension candidates. Maximal degree in co-relation 38579. Up to 5938 conditions per place. [2021-06-11 07:10:02,498 INFO L151 LiptonReduction]: Number of co-enabled transitions 2704 [2021-06-11 07:10:02,507 INFO L163 LiptonReduction]: Checked pairs total: 11178 [2021-06-11 07:10:02,507 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 07:10:02,507 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 628 [2021-06-11 07:10:02,507 INFO L480 AbstractCegarLoop]: Abstraction has has 83 places, 153 transitions, 1719 flow [2021-06-11 07:10:02,508 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 146.14285714285714) internal successors, (1023), 7 states have internal predecessors, (1023), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 07:10:02,508 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 07:10:02,508 INFO L263 CegarLoopForPetriNet]: trace histogram [3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 07:10:02,508 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2021-06-11 07:10:02,508 INFO L428 AbstractCegarLoop]: === Iteration 6 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-11 07:10:02,508 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 07:10:02,508 INFO L82 PathProgramCache]: Analyzing trace with hash 1478269018, now seen corresponding path program 1 times [2021-06-11 07:10:02,508 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 07:10:02,508 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1972916370] [2021-06-11 07:10:02,508 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 07:10:02,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 07:10:02,520 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:10:02,521 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:10:02,523 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:10:02,524 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:10:02,527 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:10:02,527 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:10:02,531 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-06-11 07:10:02,531 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1972916370] [2021-06-11 07:10:02,531 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 07:10:02,531 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-06-11 07:10:02,531 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [693783417] [2021-06-11 07:10:02,532 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-06-11 07:10:02,532 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 07:10:02,532 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-06-11 07:10:02,532 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-06-11 07:10:02,533 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 148 out of 221 [2021-06-11 07:10:02,533 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 83 places, 153 transitions, 1719 flow. Second operand has 5 states, 5 states have (on average 149.0) internal successors, (745), 5 states have internal predecessors, (745), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 07:10:02,533 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 07:10:02,533 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 148 of 221 [2021-06-11 07:10:02,533 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 07:10:10,732 INFO L129 PetriNetUnfolder]: 54396/75694 cut-off events. [2021-06-11 07:10:10,733 INFO L130 PetriNetUnfolder]: For 309748/309779 co-relation queries the response was YES. [2021-06-11 07:10:11,308 INFO L84 FinitePrefix]: Finished finitePrefix Result has 386168 conditions, 75694 events. 54396/75694 cut-off events. For 309748/309779 co-relation queries the response was YES. Maximal size of possible extension queue 6379. Compared 575075 event pairs, 18665 based on Foata normal form. 717/75127 useless extension candidates. Maximal degree in co-relation 386137. Up to 42064 conditions per place. [2021-06-11 07:10:11,731 INFO L132 encePairwiseOnDemand]: 212/221 looper letters, 234 selfloop transitions, 83 changer transitions 0/328 dead transitions. [2021-06-11 07:10:11,731 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 88 places, 328 transitions, 4316 flow [2021-06-11 07:10:11,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-11 07:10:11,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-06-11 07:10:11,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 954 transitions. [2021-06-11 07:10:11,732 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7194570135746606 [2021-06-11 07:10:11,733 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 954 transitions. [2021-06-11 07:10:11,733 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 954 transitions. [2021-06-11 07:10:11,733 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 07:10:11,733 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 954 transitions. [2021-06-11 07:10:11,734 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 159.0) internal successors, (954), 6 states have internal predecessors, (954), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 07:10:11,734 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 221.0) internal successors, (1547), 7 states have internal predecessors, (1547), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 07:10:11,734 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 221.0) internal successors, (1547), 7 states have internal predecessors, (1547), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 07:10:11,734 INFO L185 Difference]: Start difference. First operand has 83 places, 153 transitions, 1719 flow. Second operand 6 states and 954 transitions. [2021-06-11 07:10:11,734 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 88 places, 328 transitions, 4316 flow [2021-06-11 07:10:15,214 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 79 places, 328 transitions, 3917 flow, removed 30 selfloop flow, removed 9 redundant places. [2021-06-11 07:10:15,217 INFO L241 Difference]: Finished difference. Result has 82 places, 215 transitions, 2580 flow [2021-06-11 07:10:15,217 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=221, PETRI_DIFFERENCE_MINUEND_FLOW=1520, PETRI_DIFFERENCE_MINUEND_PLACES=74, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=153, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=21, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=86, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=2580, PETRI_PLACES=82, PETRI_TRANSITIONS=215} [2021-06-11 07:10:15,217 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 38 predicate places. [2021-06-11 07:10:15,217 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 07:10:15,217 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 82 places, 215 transitions, 2580 flow [2021-06-11 07:10:15,218 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 82 places, 215 transitions, 2580 flow [2021-06-11 07:10:15,219 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 82 places, 215 transitions, 2580 flow [2021-06-11 07:10:16,531 INFO L129 PetriNetUnfolder]: 9569/14477 cut-off events. [2021-06-11 07:10:16,532 INFO L130 PetriNetUnfolder]: For 133726/927788 co-relation queries the response was YES. [2021-06-11 07:10:16,685 INFO L84 FinitePrefix]: Finished finitePrefix Result has 90471 conditions, 14477 events. 9569/14477 cut-off events. For 133726/927788 co-relation queries the response was YES. Maximal size of possible extension queue 1275. Compared 103773 event pairs, 1509 based on Foata normal form. 34/13473 useless extension candidates. Maximal degree in co-relation 90439. Up to 12960 conditions per place. [2021-06-11 07:10:17,157 INFO L151 LiptonReduction]: Number of co-enabled transitions 3828 [2021-06-11 07:10:17,175 INFO L163 LiptonReduction]: Checked pairs total: 15840 [2021-06-11 07:10:17,175 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 07:10:17,176 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1959 [2021-06-11 07:10:17,176 INFO L480 AbstractCegarLoop]: Abstraction has has 82 places, 215 transitions, 2580 flow [2021-06-11 07:10:17,176 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 149.0) internal successors, (745), 5 states have internal predecessors, (745), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 07:10:17,176 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 07:10:17,176 INFO L263 CegarLoopForPetriNet]: trace histogram [3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 07:10:17,176 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2021-06-11 07:10:17,176 INFO L428 AbstractCegarLoop]: === Iteration 7 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-11 07:10:17,177 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 07:10:17,177 INFO L82 PathProgramCache]: Analyzing trace with hash 359843107, now seen corresponding path program 1 times [2021-06-11 07:10:17,177 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 07:10:17,177 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2052743326] [2021-06-11 07:10:17,177 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 07:10:17,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 07:10:17,191 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:10:17,192 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:10:17,194 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:10:17,194 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:10:17,197 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:10:17,198 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:10:17,203 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:10:17,203 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:10:17,207 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:10:17,207 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:10:17,212 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-06-11 07:10:17,212 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2052743326] [2021-06-11 07:10:17,212 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1041826938] [2021-06-11 07:10:17,212 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 [2021-06-11 07:10:17,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 07:10:17,308 INFO L263 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 11 conjunts are in the unsatisfiable core [2021-06-11 07:10:17,309 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-11 07:10:17,311 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:10:17,312 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:10:17,312 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:10:17,313 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:10:17,313 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:10:17,313 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:10:17,314 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:10:17,314 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:10:17,324 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:10:17,325 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:10:17,325 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:10:17,325 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:10:17,326 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:10:17,326 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:10:17,327 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:10:17,327 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:10:17,327 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:10:17,328 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:10:17,328 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:10:17,329 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:10:17,329 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:10:17,329 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:10:17,330 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:10:17,330 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:10:17,331 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:10:17,331 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:10:17,332 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:10:17,332 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:10:17,333 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:10:17,333 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:10:17,333 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:10:17,334 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:10:17,334 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:10:17,335 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:10:17,335 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:10:17,335 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:10:17,336 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:10:17,336 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:10:17,337 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:10:17,337 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:10:17,338 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:10:17,338 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 07:10:17,338 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:10:17,339 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 07:10:17,340 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:10:17,340 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 07:10:17,341 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-06-11 07:10:17,341 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:10:17,342 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:10:17,342 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:10:17,343 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:10:17,353 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:10:17,353 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 07:10:17,354 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:10:17,354 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 07:10:17,355 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:10:17,356 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 07:10:17,356 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 07:10:17,357 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:10:17,358 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:10:17,358 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:10:17,358 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:10:17,359 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:10:17,359 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:10:17,360 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:10:17,360 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:10:17,360 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:10:17,361 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:10:17,361 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:10:17,362 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:10:17,362 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:10:17,362 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:10:17,363 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:10:17,363 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:10:17,364 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:10:17,364 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:10:17,364 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:10:17,365 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:10:17,365 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:10:17,366 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:10:17,366 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:10:17,366 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:10:17,367 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:10:17,367 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:10:17,368 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:10:17,368 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:10:17,368 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:10:17,369 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:10:17,369 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:10:17,370 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:10:17,370 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:10:17,370 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:10:17,371 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:10:17,371 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:10:17,372 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:10:17,372 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:10:17,372 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:10:17,373 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:10:17,373 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:10:17,374 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:10:17,374 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:10:17,374 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:10:17,375 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:10:17,375 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:10:17,376 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:10:17,376 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:10:17,376 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:10:17,377 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:10:17,377 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:10:17,378 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:10:17,378 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:10:17,379 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 07:10:17,379 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:10:17,379 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 07:10:17,380 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:10:17,380 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 07:10:17,381 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-06-11 07:10:17,381 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:10:17,382 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:10:17,382 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:10:17,383 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:10:17,383 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:10:17,384 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 07:10:17,384 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:10:17,384 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 07:10:17,385 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:10:17,385 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 07:10:17,386 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 07:10:17,386 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:10:17,387 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:10:17,387 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:10:17,388 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:10:17,388 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-06-11 07:10:17,388 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-11 07:10:17,388 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2021-06-11 07:10:17,388 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [194996864] [2021-06-11 07:10:17,389 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-06-11 07:10:17,389 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 07:10:17,389 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-06-11 07:10:17,389 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2021-06-11 07:10:17,390 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 146 out of 221 [2021-06-11 07:10:17,391 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 82 places, 215 transitions, 2580 flow. Second operand has 9 states, 9 states have (on average 147.33333333333334) internal successors, (1326), 9 states have internal predecessors, (1326), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 07:10:17,391 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 07:10:17,391 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 146 of 221 [2021-06-11 07:10:17,391 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 07:10:27,210 INFO L129 PetriNetUnfolder]: 59164/82715 cut-off events. [2021-06-11 07:10:27,210 INFO L130 PetriNetUnfolder]: For 429234/429271 co-relation queries the response was YES. [2021-06-11 07:10:27,968 INFO L84 FinitePrefix]: Finished finitePrefix Result has 454473 conditions, 82715 events. 59164/82715 cut-off events. For 429234/429271 co-relation queries the response was YES. Maximal size of possible extension queue 7082. Compared 638733 event pairs, 16367 based on Foata normal form. 191/82032 useless extension candidates. Maximal degree in co-relation 454439. Up to 46366 conditions per place. [2021-06-11 07:10:28,685 INFO L132 encePairwiseOnDemand]: 211/221 looper letters, 211 selfloop transitions, 184 changer transitions 0/405 dead transitions. [2021-06-11 07:10:28,685 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 94 places, 405 transitions, 5193 flow [2021-06-11 07:10:28,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-11 07:10:28,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-06-11 07:10:28,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 2044 transitions. [2021-06-11 07:10:28,687 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7114514444831187 [2021-06-11 07:10:28,687 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 2044 transitions. [2021-06-11 07:10:28,687 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 2044 transitions. [2021-06-11 07:10:28,688 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 07:10:28,688 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 2044 transitions. [2021-06-11 07:10:28,689 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 157.23076923076923) internal successors, (2044), 13 states have internal predecessors, (2044), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 07:10:28,690 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 221.0) internal successors, (3094), 14 states have internal predecessors, (3094), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 07:10:28,690 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 221.0) internal successors, (3094), 14 states have internal predecessors, (3094), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 07:10:28,690 INFO L185 Difference]: Start difference. First operand has 82 places, 215 transitions, 2580 flow. Second operand 13 states and 2044 transitions. [2021-06-11 07:10:28,690 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 94 places, 405 transitions, 5193 flow [2021-06-11 07:10:34,155 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 93 places, 405 transitions, 5078 flow, removed 49 selfloop flow, removed 1 redundant places. [2021-06-11 07:10:34,160 INFO L241 Difference]: Finished difference. Result has 96 places, 278 transitions, 3850 flow [2021-06-11 07:10:34,160 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=221, PETRI_DIFFERENCE_MINUEND_FLOW=2491, PETRI_DIFFERENCE_MINUEND_PLACES=81, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=215, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=121, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=75, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=3850, PETRI_PLACES=96, PETRI_TRANSITIONS=278} [2021-06-11 07:10:34,160 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 52 predicate places. [2021-06-11 07:10:34,161 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 07:10:34,161 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 96 places, 278 transitions, 3850 flow [2021-06-11 07:10:34,161 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 96 places, 278 transitions, 3850 flow [2021-06-11 07:10:34,163 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 96 places, 278 transitions, 3850 flow [2021-06-11 07:10:36,033 INFO L129 PetriNetUnfolder]: 11647/17708 cut-off events. [2021-06-11 07:10:36,033 INFO L130 PetriNetUnfolder]: For 236082/1075619 co-relation queries the response was YES. [2021-06-11 07:10:36,171 INFO L84 FinitePrefix]: Finished finitePrefix Result has 122119 conditions, 17708 events. 11647/17708 cut-off events. For 236082/1075619 co-relation queries the response was YES. Maximal size of possible extension queue 1599. Compared 134721 event pairs, 1752 based on Foata normal form. 97/16591 useless extension candidates. Maximal degree in co-relation 122083. Up to 15727 conditions per place. [2021-06-11 07:10:36,389 INFO L151 LiptonReduction]: Number of co-enabled transitions 4858 [2021-06-11 07:10:36,407 INFO L163 LiptonReduction]: Checked pairs total: 26910 [2021-06-11 07:10:36,407 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 07:10:36,407 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2247 [2021-06-11 07:10:36,408 INFO L480 AbstractCegarLoop]: Abstraction has has 96 places, 278 transitions, 3850 flow [2021-06-11 07:10:36,408 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 147.33333333333334) internal successors, (1326), 9 states have internal predecessors, (1326), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 07:10:36,408 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 07:10:36,408 INFO L263 CegarLoopForPetriNet]: trace histogram [3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 07:10:36,612 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-11 07:10:36,613 INFO L428 AbstractCegarLoop]: === Iteration 8 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-11 07:10:36,613 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 07:10:36,613 INFO L82 PathProgramCache]: Analyzing trace with hash -1016730714, now seen corresponding path program 1 times [2021-06-11 07:10:36,613 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 07:10:36,613 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2024722175] [2021-06-11 07:10:36,613 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 07:10:36,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 07:10:36,630 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:10:36,631 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:10:36,633 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:10:36,633 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:10:36,636 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:10:36,637 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:10:36,641 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:10:36,641 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:10:36,646 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:10:36,646 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:10:36,651 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-06-11 07:10:36,652 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2024722175] [2021-06-11 07:10:36,652 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 07:10:36,652 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-06-11 07:10:36,652 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [557416209] [2021-06-11 07:10:36,652 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-06-11 07:10:36,653 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 07:10:36,653 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-06-11 07:10:36,653 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-06-11 07:10:36,654 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 145 out of 221 [2021-06-11 07:10:36,654 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 96 places, 278 transitions, 3850 flow. Second operand has 7 states, 7 states have (on average 146.14285714285714) internal successors, (1023), 7 states have internal predecessors, (1023), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 07:10:36,654 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 07:10:36,654 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 145 of 221 [2021-06-11 07:10:36,655 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand