/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-RepeatedSemanticLbeWithPredicates.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread/sigma.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-6f4246e9f5583d222ebb38ff8175c901f3a528f0-6f4246e [2021-04-28 14:54:19,962 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-04-28 14:54:19,968 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-04-28 14:54:20,027 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-04-28 14:54:20,027 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-04-28 14:54:20,032 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-04-28 14:54:20,036 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-04-28 14:54:20,045 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-04-28 14:54:20,049 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-04-28 14:54:20,055 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-04-28 14:54:20,057 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-04-28 14:54:20,059 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-04-28 14:54:20,060 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-04-28 14:54:20,063 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-04-28 14:54:20,065 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-04-28 14:54:20,068 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-04-28 14:54:20,072 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-04-28 14:54:20,073 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-04-28 14:54:20,081 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-04-28 14:54:20,090 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-04-28 14:54:20,092 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-04-28 14:54:20,094 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-04-28 14:54:20,096 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-04-28 14:54:20,099 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-04-28 14:54:20,108 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-04-28 14:54:20,109 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-04-28 14:54:20,109 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-04-28 14:54:20,111 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-04-28 14:54:20,112 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-04-28 14:54:20,113 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-04-28 14:54:20,114 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-04-28 14:54:20,115 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-04-28 14:54:20,117 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-04-28 14:54:20,118 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-04-28 14:54:20,119 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-04-28 14:54:20,120 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-04-28 14:54:20,121 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-04-28 14:54:20,121 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-04-28 14:54:20,121 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-04-28 14:54:20,123 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-04-28 14:54:20,124 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-04-28 14:54:20,125 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-RepeatedSemanticLbeWithPredicates.epf [2021-04-28 14:54:20,193 INFO L113 SettingsManager]: Loading preferences was successful [2021-04-28 14:54:20,193 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-04-28 14:54:20,200 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-04-28 14:54:20,200 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-04-28 14:54:20,200 INFO L138 SettingsManager]: * Use SBE=true [2021-04-28 14:54:20,201 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-04-28 14:54:20,201 INFO L138 SettingsManager]: * sizeof long=4 [2021-04-28 14:54:20,201 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-04-28 14:54:20,201 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-04-28 14:54:20,202 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-04-28 14:54:20,204 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-04-28 14:54:20,204 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-04-28 14:54:20,204 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-04-28 14:54:20,204 INFO L138 SettingsManager]: * sizeof long double=12 [2021-04-28 14:54:20,205 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-04-28 14:54:20,205 INFO L138 SettingsManager]: * Use constant arrays=true [2021-04-28 14:54:20,205 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-04-28 14:54:20,205 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-04-28 14:54:20,206 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-04-28 14:54:20,206 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-04-28 14:54:20,206 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-04-28 14:54:20,207 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-04-28 14:54:20,207 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-04-28 14:54:20,207 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-04-28 14:54:20,207 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-04-28 14:54:20,208 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-04-28 14:54:20,208 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-04-28 14:54:20,208 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=SEMANTIC_BASED_MOVER_CHECK_WITH_PREDICATES [2021-04-28 14:54:20,208 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-04-28 14:54:20,209 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-04-28 14:54:20,209 INFO L138 SettingsManager]: * Apply repeated Lipton Reduction=true WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-04-28 14:54:20,666 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-04-28 14:54:20,698 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-04-28 14:54:20,702 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-04-28 14:54:20,703 INFO L271 PluginConnector]: Initializing CDTParser... [2021-04-28 14:54:20,704 INFO L275 PluginConnector]: CDTParser initialized [2021-04-28 14:54:20,705 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread/sigma.i [2021-04-28 14:54:20,796 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c51538c3b/c86f82bbac9e4c4ca3f146cb45bedd7c/FLAGc09e66162 [2021-04-28 14:54:21,761 INFO L306 CDTParser]: Found 1 translation units. [2021-04-28 14:54:21,762 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread/sigma.i [2021-04-28 14:54:21,801 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c51538c3b/c86f82bbac9e4c4ca3f146cb45bedd7c/FLAGc09e66162 [2021-04-28 14:54:21,904 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c51538c3b/c86f82bbac9e4c4ca3f146cb45bedd7c [2021-04-28 14:54:21,907 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-04-28 14:54:21,944 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-04-28 14:54:21,946 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-04-28 14:54:21,947 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-04-28 14:54:21,951 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-04-28 14:54:21,953 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.04 02:54:21" (1/1) ... [2021-04-28 14:54:21,954 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@203cfde8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 02:54:21, skipping insertion in model container [2021-04-28 14:54:21,955 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.04 02:54:21" (1/1) ... [2021-04-28 14:54:21,964 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-04-28 14:54:22,013 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-04-28 14:54:22,573 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/sigma.i[55285,55298] [2021-04-28 14:54:22,591 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-04-28 14:54:22,602 INFO L203 MainTranslator]: Completed pre-run [2021-04-28 14:54:22,649 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/sigma.i[55285,55298] [2021-04-28 14:54:22,657 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-04-28 14:54:22,911 INFO L208 MainTranslator]: Completed translation [2021-04-28 14:54:22,911 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 02:54:22 WrapperNode [2021-04-28 14:54:22,911 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-04-28 14:54:22,913 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-04-28 14:54:22,913 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-04-28 14:54:22,913 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-04-28 14:54:22,923 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 02:54:22" (1/1) ... [2021-04-28 14:54:22,947 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 02:54:22" (1/1) ... [2021-04-28 14:54:22,977 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-04-28 14:54:22,978 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-04-28 14:54:22,978 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-04-28 14:54:22,978 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-04-28 14:54:22,990 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 02:54:22" (1/1) ... [2021-04-28 14:54:22,990 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 02:54:22" (1/1) ... [2021-04-28 14:54:22,994 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 02:54:22" (1/1) ... [2021-04-28 14:54:22,995 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 02:54:22" (1/1) ... [2021-04-28 14:54:23,004 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 02:54:22" (1/1) ... [2021-04-28 14:54:23,009 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 02:54:22" (1/1) ... [2021-04-28 14:54:23,012 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 02:54:22" (1/1) ... [2021-04-28 14:54:23,016 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-04-28 14:54:23,019 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-04-28 14:54:23,019 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-04-28 14:54:23,019 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-04-28 14:54:23,024 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 02:54:22" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-04-28 14:54:23,140 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-04-28 14:54:23,141 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-04-28 14:54:23,141 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-04-28 14:54:23,141 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-04-28 14:54:23,141 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-04-28 14:54:23,141 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-04-28 14:54:23,142 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-04-28 14:54:23,142 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-04-28 14:54:23,142 INFO L130 BoogieDeclarations]: Found specification of procedure thread [2021-04-28 14:54:23,142 INFO L138 BoogieDeclarations]: Found implementation of procedure thread [2021-04-28 14:54:23,142 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-04-28 14:54:23,142 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-04-28 14:54:23,145 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-04-28 14:54:23,643 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-04-28 14:54:23,643 INFO L299 CfgBuilder]: Removed 13 assume(true) statements. [2021-04-28 14:54:23,646 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.04 02:54:23 BoogieIcfgContainer [2021-04-28 14:54:23,646 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-04-28 14:54:23,648 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-04-28 14:54:23,648 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-04-28 14:54:23,653 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-04-28 14:54:23,654 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.04 02:54:21" (1/3) ... [2021-04-28 14:54:23,655 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@61b1ae1d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.04 02:54:23, skipping insertion in model container [2021-04-28 14:54:23,655 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 02:54:22" (2/3) ... [2021-04-28 14:54:23,656 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@61b1ae1d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.04 02:54:23, skipping insertion in model container [2021-04-28 14:54:23,656 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.04 02:54:23" (3/3) ... [2021-04-28 14:54:23,658 INFO L111 eAbstractionObserver]: Analyzing ICFG sigma.i [2021-04-28 14:54:23,668 INFO L149 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-04-28 14:54:23,676 INFO L161 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-04-28 14:54:23,678 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-04-28 14:54:23,716 WARN L313 ript$VariableManager]: TermVariabe |threadThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 14:54:23,717 WARN L313 ript$VariableManager]: TermVariabe |threadThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 14:54:23,717 WARN L313 ript$VariableManager]: TermVariabe threadThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 14:54:23,717 WARN L313 ript$VariableManager]: TermVariabe threadThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 14:54:23,717 WARN L313 ript$VariableManager]: TermVariabe |threadThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 14:54:23,718 WARN L313 ript$VariableManager]: TermVariabe |threadThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 14:54:23,718 WARN L313 ript$VariableManager]: TermVariabe threadThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 14:54:23,718 WARN L313 ript$VariableManager]: TermVariabe threadThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 14:54:23,719 WARN L313 ript$VariableManager]: TermVariabe |threadThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 14:54:23,719 WARN L313 ript$VariableManager]: TermVariabe |threadThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 14:54:23,719 WARN L313 ript$VariableManager]: TermVariabe |threadThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 14:54:23,720 WARN L313 ript$VariableManager]: TermVariabe |threadThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 14:54:23,723 WARN L313 ript$VariableManager]: TermVariabe threadThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 14:54:23,723 WARN L313 ript$VariableManager]: TermVariabe threadThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 14:54:23,723 WARN L313 ript$VariableManager]: TermVariabe |threadThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 14:54:23,724 WARN L313 ript$VariableManager]: TermVariabe |threadThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 14:54:23,733 INFO L149 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2021-04-28 14:54:23,764 INFO L253 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2021-04-28 14:54:23,798 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-04-28 14:54:23,798 INFO L377 AbstractCegarLoop]: Hoare is false [2021-04-28 14:54:23,798 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-04-28 14:54:23,799 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-04-28 14:54:23,799 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-04-28 14:54:23,799 INFO L381 AbstractCegarLoop]: Difference is false [2021-04-28 14:54:23,799 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-04-28 14:54:23,799 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-04-28 14:54:23,817 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 84 places, 89 transitions, 186 flow [2021-04-28 14:54:23,887 INFO L129 PetriNetUnfolder]: 13/127 cut-off events. [2021-04-28 14:54:23,888 INFO L130 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2021-04-28 14:54:23,892 INFO L84 FinitePrefix]: Finished finitePrefix Result has 133 conditions, 127 events. 13/127 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 211 event pairs, 0 based on Foata normal form. 0/109 useless extension candidates. Maximal degree in co-relation 72. Up to 4 conditions per place. [2021-04-28 14:54:23,893 INFO L82 GeneralOperation]: Start removeDead. Operand has 84 places, 89 transitions, 186 flow [2021-04-28 14:54:23,900 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 77 places, 81 transitions, 170 flow [2021-04-28 14:54:23,906 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 14:54:23,930 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 77 places, 81 transitions, 170 flow [2021-04-28 14:54:23,940 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 77 places, 81 transitions, 170 flow [2021-04-28 14:54:23,946 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 77 places, 81 transitions, 170 flow [2021-04-28 14:54:24,024 INFO L129 PetriNetUnfolder]: 11/111 cut-off events. [2021-04-28 14:54:24,024 INFO L130 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2021-04-28 14:54:24,026 INFO L84 FinitePrefix]: Finished finitePrefix Result has 117 conditions, 111 events. 11/111 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 156 event pairs, 0 based on Foata normal form. 0/97 useless extension candidates. Maximal degree in co-relation 64. Up to 4 conditions per place. [2021-04-28 14:54:24,033 INFO L146 LiptonReduction]: Number of co-enabled transitions 288 [2021-04-28 14:54:44,070 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 51 [2021-04-28 14:54:44,263 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 51 [2021-04-28 14:54:44,434 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 47 [2021-04-28 14:54:44,591 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 47 [2021-04-28 14:54:44,923 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 44 [2021-04-28 14:54:45,075 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 44 [2021-04-28 14:54:45,627 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 44 [2021-04-28 14:54:46,651 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2021-04-28 14:54:46,759 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2021-04-28 14:54:46,866 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2021-04-28 14:54:46,975 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2021-04-28 14:54:47,473 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2021-04-28 14:54:47,582 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2021-04-28 14:54:47,697 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2021-04-28 14:54:47,810 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2021-04-28 14:54:48,002 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-28 14:54:48,284 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 14:54:48,391 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 14:54:48,494 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 14:54:48,701 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2021-04-28 14:54:48,807 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2021-04-28 14:54:48,914 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2021-04-28 14:54:49,020 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2021-04-28 14:54:49,126 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2021-04-28 14:54:49,235 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2021-04-28 14:54:49,341 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2021-04-28 14:54:49,446 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2021-04-28 14:54:50,065 WARN L205 SmtUtils]: Spent 342.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 95 [2021-04-28 14:54:50,220 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2021-04-28 14:54:50,550 WARN L205 SmtUtils]: Spent 327.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 95 [2021-04-28 14:54:50,701 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2021-04-28 14:54:51,917 WARN L205 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 65 [2021-04-28 14:54:52,022 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 61 [2021-04-28 14:54:52,215 WARN L205 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 65 [2021-04-28 14:54:53,105 WARN L205 SmtUtils]: Spent 270.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 76 [2021-04-28 14:54:53,228 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-28 14:54:53,499 WARN L205 SmtUtils]: Spent 269.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 76 [2021-04-28 14:54:53,612 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-28 14:54:53,863 WARN L205 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 80 [2021-04-28 14:54:53,985 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-28 14:54:54,245 WARN L205 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 83 [2021-04-28 14:54:54,359 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2021-04-28 14:54:54,585 WARN L205 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 73 [2021-04-28 14:54:54,900 WARN L205 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 81 [2021-04-28 14:54:55,009 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2021-04-28 14:54:55,233 WARN L205 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 77 [2021-04-28 14:54:55,339 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 77 [2021-04-28 14:54:55,624 WARN L205 SmtUtils]: Spent 283.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 83 [2021-04-28 14:54:55,760 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2021-04-28 14:54:55,953 WARN L205 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 78 [2021-04-28 14:54:56,076 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 14:54:56,301 WARN L205 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 81 [2021-04-28 14:54:56,419 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2021-04-28 14:54:56,673 WARN L205 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 79 [2021-04-28 14:54:56,779 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2021-04-28 14:54:57,023 WARN L205 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 82 [2021-04-28 14:54:57,142 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-28 14:54:57,355 WARN L205 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 75 [2021-04-28 14:54:57,463 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 75 [2021-04-28 14:54:57,708 WARN L205 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 83 [2021-04-28 14:54:57,830 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2021-04-28 14:54:58,052 WARN L205 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 80 [2021-04-28 14:54:58,160 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-28 14:54:58,424 WARN L205 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 83 [2021-04-28 14:54:58,560 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2021-04-28 14:54:58,814 WARN L205 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 83 [2021-04-28 14:54:58,933 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2021-04-28 14:54:59,208 WARN L205 SmtUtils]: Spent 274.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 87 [2021-04-28 14:54:59,349 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 14:54:59,568 WARN L205 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 80 [2021-04-28 14:54:59,678 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-28 14:54:59,908 WARN L205 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 78 [2021-04-28 14:55:00,024 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 14:55:00,621 WARN L205 SmtUtils]: Spent 595.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 122 [2021-04-28 14:55:00,860 WARN L205 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2021-04-28 14:55:01,446 WARN L205 SmtUtils]: Spent 584.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 122 [2021-04-28 14:55:01,684 WARN L205 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2021-04-28 14:55:02,229 WARN L205 SmtUtils]: Spent 542.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 120 [2021-04-28 14:55:02,496 WARN L205 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2021-04-28 14:55:03,098 WARN L205 SmtUtils]: Spent 600.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 120 [2021-04-28 14:55:03,346 WARN L205 SmtUtils]: Spent 245.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2021-04-28 14:55:03,911 WARN L205 SmtUtils]: Spent 563.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 120 [2021-04-28 14:55:04,149 WARN L205 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2021-04-28 14:55:04,876 WARN L205 SmtUtils]: Spent 725.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 120 [2021-04-28 14:55:05,194 WARN L205 SmtUtils]: Spent 315.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2021-04-28 14:55:05,818 WARN L205 SmtUtils]: Spent 621.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 122 [2021-04-28 14:55:06,062 WARN L205 SmtUtils]: Spent 242.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2021-04-28 14:55:06,708 WARN L205 SmtUtils]: Spent 643.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 122 [2021-04-28 14:55:06,977 WARN L205 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2021-04-28 14:55:07,506 WARN L205 SmtUtils]: Spent 526.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 109 [2021-04-28 14:55:07,742 WARN L205 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 101 [2021-04-28 14:55:08,287 WARN L205 SmtUtils]: Spent 543.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 109 [2021-04-28 14:55:08,502 WARN L205 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 101 [2021-04-28 14:55:09,067 WARN L205 SmtUtils]: Spent 563.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 117 [2021-04-28 14:55:09,329 WARN L205 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2021-04-28 14:55:09,906 WARN L205 SmtUtils]: Spent 575.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 117 [2021-04-28 14:55:10,147 WARN L205 SmtUtils]: Spent 238.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2021-04-28 14:55:10,631 WARN L205 SmtUtils]: Spent 481.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 105 [2021-04-28 14:55:10,866 WARN L205 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 101 [2021-04-28 14:55:11,372 WARN L205 SmtUtils]: Spent 504.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 105 [2021-04-28 14:55:11,603 WARN L205 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 101 [2021-04-28 14:55:12,163 WARN L205 SmtUtils]: Spent 548.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 117 [2021-04-28 14:55:12,424 WARN L205 SmtUtils]: Spent 257.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2021-04-28 14:55:13,018 WARN L205 SmtUtils]: Spent 593.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 117 [2021-04-28 14:55:13,288 WARN L205 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2021-04-28 14:55:14,025 WARN L205 SmtUtils]: Spent 707.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 119 [2021-04-28 14:55:14,309 WARN L205 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 111 [2021-04-28 14:55:15,023 WARN L205 SmtUtils]: Spent 712.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 117 [2021-04-28 14:55:15,314 WARN L205 SmtUtils]: Spent 288.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2021-04-28 14:55:15,966 WARN L205 SmtUtils]: Spent 641.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 114 [2021-04-28 14:55:16,294 WARN L205 SmtUtils]: Spent 325.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2021-04-28 14:55:17,047 WARN L205 SmtUtils]: Spent 749.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 122 [2021-04-28 14:55:17,369 WARN L205 SmtUtils]: Spent 319.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2021-04-28 14:55:18,156 WARN L205 SmtUtils]: Spent 785.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 119 [2021-04-28 14:55:18,518 WARN L205 SmtUtils]: Spent 358.00 ms on a formula simplification that was a NOOP. DAG size: 111 [2021-04-28 14:55:19,213 WARN L205 SmtUtils]: Spent 693.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 122 [2021-04-28 14:55:19,543 WARN L205 SmtUtils]: Spent 327.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2021-04-28 14:55:20,084 WARN L205 SmtUtils]: Spent 537.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 105 [2021-04-28 14:55:20,341 WARN L205 SmtUtils]: Spent 254.00 ms on a formula simplification that was a NOOP. DAG size: 101 [2021-04-28 14:55:20,907 WARN L205 SmtUtils]: Spent 562.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 105 [2021-04-28 14:55:21,150 WARN L205 SmtUtils]: Spent 241.00 ms on a formula simplification that was a NOOP. DAG size: 101 [2021-04-28 14:55:21,825 WARN L205 SmtUtils]: Spent 671.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 119 [2021-04-28 14:55:22,132 WARN L205 SmtUtils]: Spent 304.00 ms on a formula simplification that was a NOOP. DAG size: 111 [2021-04-28 14:55:22,905 WARN L205 SmtUtils]: Spent 771.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 122 [2021-04-28 14:55:23,237 WARN L205 SmtUtils]: Spent 329.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2021-04-28 14:55:23,973 WARN L205 SmtUtils]: Spent 732.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 122 [2021-04-28 14:55:24,304 WARN L205 SmtUtils]: Spent 329.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2021-04-28 14:55:25,105 WARN L205 SmtUtils]: Spent 797.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 125 [2021-04-28 14:55:25,495 WARN L205 SmtUtils]: Spent 381.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2021-04-28 14:55:26,214 WARN L205 SmtUtils]: Spent 714.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 116 [2021-04-28 14:55:26,533 WARN L205 SmtUtils]: Spent 316.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2021-04-28 14:55:27,370 WARN L205 SmtUtils]: Spent 834.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 122 [2021-04-28 14:55:27,733 WARN L205 SmtUtils]: Spent 362.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2021-04-28 14:55:28,444 WARN L205 SmtUtils]: Spent 709.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 118 [2021-04-28 14:55:28,747 WARN L205 SmtUtils]: Spent 299.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2021-04-28 14:55:29,498 WARN L205 SmtUtils]: Spent 749.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 121 [2021-04-28 14:55:29,838 WARN L205 SmtUtils]: Spent 337.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2021-04-28 14:55:30,504 WARN L205 SmtUtils]: Spent 663.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 112 [2021-04-28 14:55:30,809 WARN L205 SmtUtils]: Spent 302.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-04-28 14:55:31,598 WARN L205 SmtUtils]: Spent 787.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 120 [2021-04-28 14:55:31,917 WARN L205 SmtUtils]: Spent 315.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2021-04-28 14:55:32,675 WARN L205 SmtUtils]: Spent 755.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 117 [2021-04-28 14:55:33,001 WARN L205 SmtUtils]: Spent 323.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2021-04-28 14:55:33,765 WARN L205 SmtUtils]: Spent 762.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 120 [2021-04-28 14:55:34,117 WARN L205 SmtUtils]: Spent 349.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2021-04-28 14:55:34,176 INFO L158 LiptonReduction]: Checked pairs total: 684 [2021-04-28 14:55:34,176 INFO L160 LiptonReduction]: Total number of compositions: 183 [2021-04-28 14:55:34,183 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 70282 [2021-04-28 14:55:34,213 INFO L129 PetriNetUnfolder]: 1/59 cut-off events. [2021-04-28 14:55:34,213 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 14:55:34,214 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 14:55:34,215 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1] [2021-04-28 14:55:34,216 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 14:55:34,231 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 14:55:34,231 INFO L82 PathProgramCache]: Analyzing trace with hash 13222953, now seen corresponding path program 1 times [2021-04-28 14:55:34,247 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 14:55:34,248 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1924937937] [2021-04-28 14:55:34,249 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 14:55:34,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 14:55:34,531 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 14:55:34,534 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-28 14:55:34,555 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 14:55:34,556 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 14:55:34,559 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 14:55:34,560 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1924937937] [2021-04-28 14:55:34,561 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 14:55:34,561 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-04-28 14:55:34,562 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1950869591] [2021-04-28 14:55:34,577 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-04-28 14:55:34,578 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 14:55:34,601 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-04-28 14:55:34,604 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-04-28 14:55:34,609 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 112 out of 272 [2021-04-28 14:55:34,614 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 95 places, 94 transitions, 196 flow. Second operand has 3 states, 3 states have (on average 113.33333333333333) internal successors, (340), 3 states have internal predecessors, (340), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 14:55:34,614 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 14:55:34,614 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 112 of 272 [2021-04-28 14:55:34,616 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 14:55:35,070 INFO L129 PetriNetUnfolder]: 2/121 cut-off events. [2021-04-28 14:55:35,070 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2021-04-28 14:55:35,071 INFO L84 FinitePrefix]: Finished finitePrefix Result has 227 conditions, 121 events. 2/121 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 41. Compared 665 event pairs, 0 based on Foata normal form. 0/22 useless extension candidates. Maximal degree in co-relation 75. Up to 91 conditions per place. [2021-04-28 14:55:35,079 INFO L132 encePairwiseOnDemand]: 264/272 looper letters, 11 selfloop transitions, 2 changer transitions 78/98 dead transitions. [2021-04-28 14:55:35,080 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 94 places, 98 transitions, 358 flow [2021-04-28 14:55:35,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-28 14:55:35,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-04-28 14:55:35,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 410 transitions. [2021-04-28 14:55:35,130 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5024509803921569 [2021-04-28 14:55:35,134 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 410 transitions. [2021-04-28 14:55:35,135 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 410 transitions. [2021-04-28 14:55:35,142 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 14:55:35,151 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 410 transitions. [2021-04-28 14:55:35,164 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 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) [2021-04-28 14:55:35,184 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 272.0) internal successors, (1088), 4 states have internal predecessors, (1088), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 14:55:35,186 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 272.0) internal successors, (1088), 4 states have internal predecessors, (1088), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 14:55:35,190 INFO L185 Difference]: Start difference. First operand has 95 places, 94 transitions, 196 flow. Second operand 3 states and 410 transitions. [2021-04-28 14:55:35,192 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 94 places, 98 transitions, 358 flow [2021-04-28 14:55:35,206 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 94 places, 98 transitions, 358 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-04-28 14:55:35,216 INFO L241 Difference]: Finished difference. Result has 95 places, 19 transitions, 54 flow [2021-04-28 14:55:35,221 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=272, PETRI_DIFFERENCE_MINUEND_FLOW=190, PETRI_DIFFERENCE_MINUEND_PLACES=92, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=91, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=89, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=54, PETRI_PLACES=95, PETRI_TRANSITIONS=19} [2021-04-28 14:55:35,223 INFO L343 CegarLoopForPetriNet]: 95 programPoint places, 0 predicate places. [2021-04-28 14:55:35,223 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 14:55:35,223 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 95 places, 19 transitions, 54 flow [2021-04-28 14:55:35,224 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 95 places, 19 transitions, 54 flow [2021-04-28 14:55:35,225 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 23 places, 19 transitions, 54 flow [2021-04-28 14:55:35,230 INFO L129 PetriNetUnfolder]: 2/27 cut-off events. [2021-04-28 14:55:35,231 INFO L130 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2021-04-28 14:55:35,231 INFO L84 FinitePrefix]: Finished finitePrefix Result has 39 conditions, 27 events. 2/27 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 36 event pairs, 0 based on Foata normal form. 0/20 useless extension candidates. Maximal degree in co-relation 24. Up to 4 conditions per place. [2021-04-28 14:55:35,231 INFO L146 LiptonReduction]: Number of co-enabled transitions 88 [2021-04-28 14:55:35,233 INFO L158 LiptonReduction]: Checked pairs total: 32 [2021-04-28 14:55:35,233 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 14:55:35,233 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 10 [2021-04-28 14:55:35,235 INFO L480 AbstractCegarLoop]: Abstraction has has 23 places, 19 transitions, 54 flow [2021-04-28 14:55:35,236 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 113.33333333333333) internal successors, (340), 3 states have internal predecessors, (340), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 14:55:35,237 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 14:55:35,237 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1] [2021-04-28 14:55:35,237 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-04-28 14:55:35,238 INFO L428 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 14:55:35,239 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 14:55:35,239 INFO L82 PathProgramCache]: Analyzing trace with hash 2030573141, now seen corresponding path program 1 times [2021-04-28 14:55:35,239 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 14:55:35,239 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1816434068] [2021-04-28 14:55:35,239 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 14:55:35,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-04-28 14:55:35,305 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-04-28 14:55:35,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-04-28 14:55:35,371 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-04-28 14:55:35,444 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-04-28 14:55:35,444 INFO L634 BasicCegarLoop]: Counterexample might be feasible [2021-04-28 14:55:35,447 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-04-28 14:55:35,448 WARN L342 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2021-04-28 14:55:35,450 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2021-04-28 14:55:35,460 WARN L313 ript$VariableManager]: TermVariabe |threadThread1of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 14:55:35,460 WARN L313 ript$VariableManager]: TermVariabe |threadThread1of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 14:55:35,460 WARN L313 ript$VariableManager]: TermVariabe threadThread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 14:55:35,461 WARN L313 ript$VariableManager]: TermVariabe threadThread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 14:55:35,461 WARN L313 ript$VariableManager]: TermVariabe |threadThread1of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 14:55:35,461 WARN L313 ript$VariableManager]: TermVariabe |threadThread1of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 14:55:35,461 WARN L313 ript$VariableManager]: TermVariabe threadThread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 14:55:35,461 WARN L313 ript$VariableManager]: TermVariabe threadThread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 14:55:35,461 WARN L313 ript$VariableManager]: TermVariabe |threadThread1of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 14:55:35,462 WARN L313 ript$VariableManager]: TermVariabe |threadThread1of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 14:55:35,462 WARN L313 ript$VariableManager]: TermVariabe |threadThread1of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 14:55:35,462 WARN L313 ript$VariableManager]: TermVariabe |threadThread1of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 14:55:35,462 WARN L313 ript$VariableManager]: TermVariabe |threadThread2of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 14:55:35,462 WARN L313 ript$VariableManager]: TermVariabe |threadThread2of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 14:55:35,462 WARN L313 ript$VariableManager]: TermVariabe threadThread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 14:55:35,462 WARN L313 ript$VariableManager]: TermVariabe threadThread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 14:55:35,463 WARN L313 ript$VariableManager]: TermVariabe |threadThread2of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 14:55:35,463 WARN L313 ript$VariableManager]: TermVariabe |threadThread2of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 14:55:35,463 WARN L313 ript$VariableManager]: TermVariabe threadThread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 14:55:35,463 WARN L313 ript$VariableManager]: TermVariabe threadThread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 14:55:35,463 WARN L313 ript$VariableManager]: TermVariabe |threadThread2of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 14:55:35,463 WARN L313 ript$VariableManager]: TermVariabe |threadThread2of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 14:55:35,464 WARN L313 ript$VariableManager]: TermVariabe |threadThread2of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 14:55:35,464 WARN L313 ript$VariableManager]: TermVariabe |threadThread2of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 14:55:35,464 WARN L313 ript$VariableManager]: TermVariabe threadThread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 14:55:35,466 WARN L313 ript$VariableManager]: TermVariabe |threadThread1of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 14:55:35,466 WARN L313 ript$VariableManager]: TermVariabe |threadThread1of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 14:55:35,467 WARN L313 ript$VariableManager]: TermVariabe threadThread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 14:55:35,469 WARN L313 ript$VariableManager]: TermVariabe threadThread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 14:55:35,470 WARN L313 ript$VariableManager]: TermVariabe |threadThread2of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 14:55:35,470 WARN L313 ript$VariableManager]: TermVariabe threadThread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 14:55:35,470 WARN L313 ript$VariableManager]: TermVariabe |threadThread2of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 14:55:35,476 INFO L149 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2021-04-28 14:55:35,477 INFO L253 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2021-04-28 14:55:35,480 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-04-28 14:55:35,480 INFO L377 AbstractCegarLoop]: Hoare is false [2021-04-28 14:55:35,480 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-04-28 14:55:35,480 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-04-28 14:55:35,480 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-04-28 14:55:35,480 INFO L381 AbstractCegarLoop]: Difference is false [2021-04-28 14:55:35,481 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-04-28 14:55:35,481 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-04-28 14:55:35,483 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 91 places, 95 transitions, 208 flow [2021-04-28 14:55:35,521 INFO L129 PetriNetUnfolder]: 24/217 cut-off events. [2021-04-28 14:55:35,522 INFO L130 PetriNetUnfolder]: For 6/6 co-relation queries the response was YES. [2021-04-28 14:55:35,523 INFO L84 FinitePrefix]: Finished finitePrefix Result has 231 conditions, 217 events. 24/217 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 458 event pairs, 0 based on Foata normal form. 0/185 useless extension candidates. Maximal degree in co-relation 129. Up to 8 conditions per place. [2021-04-28 14:55:35,523 INFO L82 GeneralOperation]: Start removeDead. Operand has 91 places, 95 transitions, 208 flow [2021-04-28 14:55:35,524 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 84 places, 87 transitions, 192 flow [2021-04-28 14:55:35,525 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 14:55:35,525 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 84 places, 87 transitions, 192 flow [2021-04-28 14:55:35,525 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 84 places, 87 transitions, 192 flow [2021-04-28 14:55:35,526 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 84 places, 87 transitions, 192 flow [2021-04-28 14:55:35,554 INFO L129 PetriNetUnfolder]: 20/185 cut-off events. [2021-04-28 14:55:35,554 INFO L130 PetriNetUnfolder]: For 6/6 co-relation queries the response was YES. [2021-04-28 14:55:35,555 INFO L84 FinitePrefix]: Finished finitePrefix Result has 199 conditions, 185 events. 20/185 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 331 event pairs, 0 based on Foata normal form. 0/161 useless extension candidates. Maximal degree in co-relation 113. Up to 8 conditions per place. [2021-04-28 14:55:35,558 INFO L146 LiptonReduction]: Number of co-enabled transitions 712 [2021-04-28 14:55:58,511 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 24 [2021-04-28 14:55:59,105 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2021-04-28 14:55:59,312 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2021-04-28 14:56:03,045 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-04-28 14:56:03,153 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-04-28 14:56:03,260 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-04-28 14:56:03,831 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 47 [2021-04-28 14:56:04,061 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 47 [2021-04-28 14:56:04,530 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 44 [2021-04-28 14:56:04,782 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 44 [2021-04-28 14:56:05,049 WARN L205 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 51 [2021-04-28 14:56:05,319 WARN L205 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 51 [2021-04-28 14:56:05,866 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 37 [2021-04-28 14:56:06,078 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 36 [2021-04-28 14:56:06,933 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 36 [2021-04-28 14:56:07,143 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 38 [2021-04-28 14:56:07,406 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 44 [2021-04-28 14:56:07,590 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 14:56:07,750 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 14:56:07,898 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 14:56:08,040 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 14:56:08,225 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2021-04-28 14:56:08,386 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2021-04-28 14:56:08,542 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2021-04-28 14:56:08,694 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2021-04-28 14:56:08,863 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2021-04-28 14:56:09,026 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2021-04-28 14:56:09,179 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2021-04-28 14:56:09,330 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2021-04-28 14:56:09,485 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2021-04-28 14:56:09,644 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2021-04-28 14:56:09,805 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2021-04-28 14:56:09,968 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2021-04-28 14:56:10,120 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-28 14:56:10,249 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-28 14:56:10,366 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-28 14:56:10,491 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-28 14:56:10,652 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 14:56:10,794 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 14:56:10,932 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 14:56:11,073 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 14:56:11,235 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2021-04-28 14:56:11,396 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2021-04-28 14:56:11,547 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2021-04-28 14:56:11,706 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2021-04-28 14:56:11,989 WARN L205 SmtUtils]: Spent 275.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 65 [2021-04-28 14:56:12,107 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 61 [2021-04-28 14:56:12,392 WARN L205 SmtUtils]: Spent 283.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 65 [2021-04-28 14:56:12,526 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 61 [2021-04-28 14:56:12,726 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2021-04-28 14:56:13,404 WARN L205 SmtUtils]: Spent 505.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 95 [2021-04-28 14:56:13,643 WARN L205 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2021-04-28 14:56:14,136 WARN L205 SmtUtils]: Spent 491.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 95 [2021-04-28 14:56:14,359 WARN L205 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2021-04-28 14:56:14,794 WARN L205 SmtUtils]: Spent 432.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 76 [2021-04-28 14:56:15,006 WARN L205 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-28 14:56:15,435 WARN L205 SmtUtils]: Spent 426.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 76 [2021-04-28 14:56:15,705 WARN L205 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-28 14:56:15,818 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2021-04-28 14:56:15,933 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2021-04-28 14:56:16,042 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2021-04-28 14:56:17,263 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2021-04-28 14:56:17,561 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2021-04-28 14:56:18,441 WARN L205 SmtUtils]: Spent 381.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 83 [2021-04-28 14:56:18,603 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2021-04-28 14:56:18,984 WARN L205 SmtUtils]: Spent 378.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 87 [2021-04-28 14:56:19,169 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 14:56:19,513 WARN L205 SmtUtils]: Spent 330.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 80 [2021-04-28 14:56:19,668 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-28 14:56:20,011 WARN L205 SmtUtils]: Spent 340.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 78 [2021-04-28 14:56:20,175 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 14:56:20,454 WARN L205 SmtUtils]: Spent 277.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 78 [2021-04-28 14:56:20,589 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 14:56:20,898 WARN L205 SmtUtils]: Spent 307.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 76 [2021-04-28 14:56:21,052 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-04-28 14:56:21,351 WARN L205 SmtUtils]: Spent 296.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 79 [2021-04-28 14:56:21,499 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2021-04-28 14:56:21,828 WARN L205 SmtUtils]: Spent 327.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 82 [2021-04-28 14:56:21,996 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-28 14:56:22,304 WARN L205 SmtUtils]: Spent 303.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 75 [2021-04-28 14:56:22,451 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 75 [2021-04-28 14:56:22,828 WARN L205 SmtUtils]: Spent 374.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 83 [2021-04-28 14:56:23,006 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2021-04-28 14:56:23,305 WARN L205 SmtUtils]: Spent 296.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 75 [2021-04-28 14:56:23,441 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 75 [2021-04-28 14:56:23,786 WARN L205 SmtUtils]: Spent 343.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 78 [2021-04-28 14:56:23,953 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 14:56:24,264 WARN L205 SmtUtils]: Spent 309.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 77 [2021-04-28 14:56:24,411 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 77 [2021-04-28 14:56:24,803 WARN L205 SmtUtils]: Spent 390.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 88 [2021-04-28 14:56:24,994 WARN L205 SmtUtils]: Spent 189.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 14:56:25,304 WARN L205 SmtUtils]: Spent 307.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 80 [2021-04-28 14:56:25,463 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-28 14:56:25,830 WARN L205 SmtUtils]: Spent 364.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 83 [2021-04-28 14:56:26,006 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2021-04-28 14:56:26,376 WARN L205 SmtUtils]: Spent 366.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 78 [2021-04-28 14:56:26,529 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 14:56:26,860 WARN L205 SmtUtils]: Spent 329.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 81 [2021-04-28 14:56:27,023 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2021-04-28 14:56:27,749 WARN L205 SmtUtils]: Spent 696.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 105 [2021-04-28 14:56:28,026 WARN L205 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 101 [2021-04-28 14:56:28,696 WARN L205 SmtUtils]: Spent 668.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 105 [2021-04-28 14:56:29,034 WARN L205 SmtUtils]: Spent 334.00 ms on a formula simplification that was a NOOP. DAG size: 101 [2021-04-28 14:56:29,883 WARN L205 SmtUtils]: Spent 845.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 117 [2021-04-28 14:56:30,234 WARN L205 SmtUtils]: Spent 347.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2021-04-28 14:56:31,039 WARN L205 SmtUtils]: Spent 802.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 117 [2021-04-28 14:56:31,413 WARN L205 SmtUtils]: Spent 371.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2021-04-28 14:56:32,278 WARN L205 SmtUtils]: Spent 861.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 120 [2021-04-28 14:56:32,642 WARN L205 SmtUtils]: Spent 361.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2021-04-28 14:56:33,533 WARN L205 SmtUtils]: Spent 888.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 120 [2021-04-28 14:56:33,924 WARN L205 SmtUtils]: Spent 389.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2021-04-28 14:56:34,749 WARN L205 SmtUtils]: Spent 822.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 122 [2021-04-28 14:56:35,156 WARN L205 SmtUtils]: Spent 404.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2021-04-28 14:56:36,152 WARN L205 SmtUtils]: Spent 993.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 122 [2021-04-28 14:56:36,557 WARN L205 SmtUtils]: Spent 402.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2021-04-28 14:56:37,485 WARN L205 SmtUtils]: Spent 926.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 122 [2021-04-28 14:56:37,921 WARN L205 SmtUtils]: Spent 433.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2021-04-28 14:56:38,820 WARN L205 SmtUtils]: Spent 896.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 122 [2021-04-28 14:56:39,233 WARN L205 SmtUtils]: Spent 411.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2021-04-28 14:56:40,119 WARN L205 SmtUtils]: Spent 882.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 120 [2021-04-28 14:56:40,504 WARN L205 SmtUtils]: Spent 382.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2021-04-28 14:56:41,376 WARN L205 SmtUtils]: Spent 869.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 120 [2021-04-28 14:56:41,782 WARN L205 SmtUtils]: Spent 403.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2021-04-28 14:56:42,547 WARN L205 SmtUtils]: Spent 761.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 109 [2021-04-28 14:56:42,892 WARN L205 SmtUtils]: Spent 342.00 ms on a formula simplification that was a NOOP. DAG size: 101 [2021-04-28 14:56:43,757 WARN L205 SmtUtils]: Spent 862.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 109 [2021-04-28 14:56:44,133 WARN L205 SmtUtils]: Spent 373.00 ms on a formula simplification that was a NOOP. DAG size: 101 [2021-04-28 14:56:45,023 WARN L205 SmtUtils]: Spent 877.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 117 [2021-04-28 14:56:45,404 WARN L205 SmtUtils]: Spent 378.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2021-04-28 14:56:46,285 WARN L205 SmtUtils]: Spent 878.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 117 [2021-04-28 14:56:46,665 WARN L205 SmtUtils]: Spent 378.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2021-04-28 14:56:47,553 WARN L205 SmtUtils]: Spent 873.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 119 [2021-04-28 14:56:47,964 WARN L205 SmtUtils]: Spent 408.00 ms on a formula simplification that was a NOOP. DAG size: 111 [2021-04-28 14:56:48,916 WARN L205 SmtUtils]: Spent 949.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 117 [2021-04-28 14:56:49,351 WARN L205 SmtUtils]: Spent 431.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2021-04-28 14:56:50,349 WARN L205 SmtUtils]: Spent 994.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 122 [2021-04-28 14:56:50,787 WARN L205 SmtUtils]: Spent 435.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2021-04-28 14:56:51,856 WARN L205 SmtUtils]: Spent 1.07 s on a formula simplification. DAG size of input: 127 DAG size of output: 125 [2021-04-28 14:56:52,321 WARN L205 SmtUtils]: Spent 461.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2021-04-28 14:56:53,296 WARN L205 SmtUtils]: Spent 968.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 118 [2021-04-28 14:56:53,684 WARN L205 SmtUtils]: Spent 385.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2021-04-28 14:56:54,614 WARN L205 SmtUtils]: Spent 926.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 121 [2021-04-28 14:56:55,044 WARN L205 SmtUtils]: Spent 428.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2021-04-28 14:56:55,848 WARN L205 SmtUtils]: Spent 790.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 105 [2021-04-28 14:56:56,222 WARN L205 SmtUtils]: Spent 372.00 ms on a formula simplification that was a NOOP. DAG size: 101 [2021-04-28 14:56:57,000 WARN L205 SmtUtils]: Spent 775.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 105 [2021-04-28 14:56:57,343 WARN L205 SmtUtils]: Spent 340.00 ms on a formula simplification that was a NOOP. DAG size: 101 [2021-04-28 14:56:58,300 WARN L205 SmtUtils]: Spent 954.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 114 [2021-04-28 14:56:58,740 WARN L205 SmtUtils]: Spent 437.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2021-04-28 14:56:59,802 WARN L205 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 124 DAG size of output: 122 [2021-04-28 14:57:00,306 WARN L205 SmtUtils]: Spent 501.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2021-04-28 14:57:01,291 WARN L205 SmtUtils]: Spent 983.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 117 [2021-04-28 14:57:01,694 WARN L205 SmtUtils]: Spent 399.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2021-04-28 14:57:02,731 WARN L205 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 122 DAG size of output: 120 [2021-04-28 14:57:03,218 WARN L205 SmtUtils]: Spent 484.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2021-04-28 14:57:04,223 WARN L205 SmtUtils]: Spent 1.00 s on a formula simplification. DAG size of input: 119 DAG size of output: 117 [2021-04-28 14:57:04,622 WARN L205 SmtUtils]: Spent 397.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2021-04-28 14:57:05,573 WARN L205 SmtUtils]: Spent 948.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 115 [2021-04-28 14:57:06,043 WARN L205 SmtUtils]: Spent 465.00 ms on a formula simplification that was a NOOP. DAG size: 107 [2021-04-28 14:57:07,058 WARN L205 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 121 DAG size of output: 119 [2021-04-28 14:57:07,492 WARN L205 SmtUtils]: Spent 431.00 ms on a formula simplification that was a NOOP. DAG size: 111 [2021-04-28 14:57:08,574 WARN L205 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 124 DAG size of output: 122 [2021-04-28 14:57:09,174 WARN L205 SmtUtils]: Spent 598.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2021-04-28 14:57:10,234 WARN L205 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 116 DAG size of output: 114 [2021-04-28 14:57:10,745 WARN L205 SmtUtils]: Spent 508.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2021-04-28 14:57:11,799 WARN L205 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 119 DAG size of output: 117 [2021-04-28 14:57:12,239 WARN L205 SmtUtils]: Spent 437.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2021-04-28 14:57:13,344 WARN L205 SmtUtils]: Spent 1.10 s on a formula simplification. DAG size of input: 118 DAG size of output: 116 [2021-04-28 14:57:13,793 WARN L205 SmtUtils]: Spent 446.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2021-04-28 14:57:15,271 WARN L205 SmtUtils]: Spent 1.48 s on a formula simplification. DAG size of input: 129 DAG size of output: 127 [2021-04-28 14:57:15,942 WARN L205 SmtUtils]: Spent 668.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2021-04-28 14:57:15,972 INFO L158 LiptonReduction]: Checked pairs total: 1554 [2021-04-28 14:57:15,973 INFO L160 LiptonReduction]: Total number of compositions: 187 [2021-04-28 14:57:15,975 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 100450 [2021-04-28 14:57:15,990 INFO L129 PetriNetUnfolder]: 1/74 cut-off events. [2021-04-28 14:57:15,990 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 14:57:15,990 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 14:57:15,990 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1] [2021-04-28 14:57:15,991 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 14:57:15,991 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 14:57:15,992 INFO L82 PathProgramCache]: Analyzing trace with hash 22201180, now seen corresponding path program 1 times [2021-04-28 14:57:15,992 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 14:57:15,992 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [923588078] [2021-04-28 14:57:15,992 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 14:57:16,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 14:57:16,046 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 14:57:16,049 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-28 14:57:16,068 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 14:57:16,070 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 14:57:16,070 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 14:57:16,071 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [923588078] [2021-04-28 14:57:16,071 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 14:57:16,071 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-04-28 14:57:16,071 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1869847171] [2021-04-28 14:57:16,072 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-04-28 14:57:16,072 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 14:57:16,073 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-04-28 14:57:16,073 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-04-28 14:57:16,075 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 122 out of 282 [2021-04-28 14:57:16,077 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 102 places, 100 transitions, 218 flow. Second operand has 3 states, 3 states have (on average 123.33333333333333) internal successors, (370), 3 states have internal predecessors, (370), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 14:57:16,077 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 14:57:16,077 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 122 of 282 [2021-04-28 14:57:16,077 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 14:57:16,583 INFO L129 PetriNetUnfolder]: 6/200 cut-off events. [2021-04-28 14:57:16,583 INFO L130 PetriNetUnfolder]: For 8/8 co-relation queries the response was YES. [2021-04-28 14:57:16,584 INFO L84 FinitePrefix]: Finished finitePrefix Result has 376 conditions, 200 events. 6/200 cut-off events. For 8/8 co-relation queries the response was YES. Maximal size of possible extension queue 41. Compared 1156 event pairs, 0 based on Foata normal form. 0/42 useless extension candidates. Maximal degree in co-relation 221. Up to 153 conditions per place. [2021-04-28 14:57:16,585 INFO L132 encePairwiseOnDemand]: 274/282 looper letters, 13 selfloop transitions, 2 changer transitions 79/107 dead transitions. [2021-04-28 14:57:16,585 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 101 places, 107 transitions, 392 flow [2021-04-28 14:57:16,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-28 14:57:16,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-04-28 14:57:16,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 443 transitions. [2021-04-28 14:57:16,593 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5236406619385343 [2021-04-28 14:57:16,594 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 443 transitions. [2021-04-28 14:57:16,594 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 443 transitions. [2021-04-28 14:57:16,594 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 14:57:16,595 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 443 transitions. [2021-04-28 14:57:16,597 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 147.66666666666666) internal successors, (443), 3 states have internal predecessors, (443), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 14:57:16,601 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 282.0) internal successors, (1128), 4 states have internal predecessors, (1128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 14:57:16,602 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 282.0) internal successors, (1128), 4 states have internal predecessors, (1128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 14:57:16,602 INFO L185 Difference]: Start difference. First operand has 102 places, 100 transitions, 218 flow. Second operand 3 states and 443 transitions. [2021-04-28 14:57:16,602 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 101 places, 107 transitions, 392 flow [2021-04-28 14:57:16,604 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 101 places, 107 transitions, 392 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-04-28 14:57:16,606 INFO L241 Difference]: Finished difference. Result has 102 places, 26 transitions, 80 flow [2021-04-28 14:57:16,607 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=282, PETRI_DIFFERENCE_MINUEND_FLOW=212, PETRI_DIFFERENCE_MINUEND_PLACES=99, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=97, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=95, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=80, PETRI_PLACES=102, PETRI_TRANSITIONS=26} [2021-04-28 14:57:16,607 INFO L343 CegarLoopForPetriNet]: 102 programPoint places, 0 predicate places. [2021-04-28 14:57:16,607 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 14:57:16,607 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 102 places, 26 transitions, 80 flow [2021-04-28 14:57:16,608 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 102 places, 26 transitions, 80 flow [2021-04-28 14:57:16,608 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 30 places, 26 transitions, 80 flow [2021-04-28 14:57:16,617 INFO L129 PetriNetUnfolder]: 6/52 cut-off events. [2021-04-28 14:57:16,618 INFO L130 PetriNetUnfolder]: For 6/6 co-relation queries the response was YES. [2021-04-28 14:57:16,618 INFO L84 FinitePrefix]: Finished finitePrefix Result has 74 conditions, 52 events. 6/52 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 106 event pairs, 0 based on Foata normal form. 0/38 useless extension candidates. Maximal degree in co-relation 58. Up to 8 conditions per place. [2021-04-28 14:57:16,619 INFO L146 LiptonReduction]: Number of co-enabled transitions 256 [2021-04-28 14:57:16,621 INFO L158 LiptonReduction]: Checked pairs total: 64 [2021-04-28 14:57:16,621 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 14:57:16,621 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 14 [2021-04-28 14:57:16,623 INFO L480 AbstractCegarLoop]: Abstraction has has 30 places, 26 transitions, 80 flow [2021-04-28 14:57:16,623 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 123.33333333333333) internal successors, (370), 3 states have internal predecessors, (370), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 14:57:16,624 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 14:57:16,624 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 14:57:16,624 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-04-28 14:57:16,624 INFO L428 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 14:57:16,625 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 14:57:16,625 INFO L82 PathProgramCache]: Analyzing trace with hash 1936078797, now seen corresponding path program 1 times [2021-04-28 14:57:16,625 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 14:57:16,625 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1904368005] [2021-04-28 14:57:16,626 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 14:57:16,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 14:57:16,747 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 14:57:16,748 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 14:57:16,755 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 14:57:16,758 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-28 14:57:16,784 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 14:57:16,786 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 14:57:16,787 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-04-28 14:57:16,787 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1904368005] [2021-04-28 14:57:16,788 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 14:57:16,788 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-04-28 14:57:16,788 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1598204669] [2021-04-28 14:57:16,788 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-04-28 14:57:16,788 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 14:57:16,789 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-04-28 14:57:16,789 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-04-28 14:57:16,794 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 122 out of 282 [2021-04-28 14:57:16,796 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 30 places, 26 transitions, 80 flow. Second operand has 4 states, 4 states have (on average 123.75) internal successors, (495), 4 states have internal predecessors, (495), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 14:57:16,798 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 14:57:16,798 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 122 of 282 [2021-04-28 14:57:16,798 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 14:57:16,911 INFO L129 PetriNetUnfolder]: 5/56 cut-off events. [2021-04-28 14:57:16,911 INFO L130 PetriNetUnfolder]: For 11/11 co-relation queries the response was YES. [2021-04-28 14:57:16,912 INFO L84 FinitePrefix]: Finished finitePrefix Result has 118 conditions, 56 events. 5/56 cut-off events. For 11/11 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 114 event pairs, 1 based on Foata normal form. 0/44 useless extension candidates. Maximal degree in co-relation 97. Up to 26 conditions per place. [2021-04-28 14:57:16,913 INFO L132 encePairwiseOnDemand]: 275/282 looper letters, 13 selfloop transitions, 6 changer transitions 0/32 dead transitions. [2021-04-28 14:57:16,913 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 33 places, 32 transitions, 130 flow [2021-04-28 14:57:16,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-04-28 14:57:16,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-04-28 14:57:16,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 509 transitions. [2021-04-28 14:57:16,919 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4512411347517731 [2021-04-28 14:57:16,920 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 509 transitions. [2021-04-28 14:57:16,920 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 509 transitions. [2021-04-28 14:57:16,920 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 14:57:16,920 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 509 transitions. [2021-04-28 14:57:16,922 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 127.25) internal successors, (509), 4 states have internal predecessors, (509), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 14:57:16,926 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 282.0) internal successors, (1410), 5 states have internal predecessors, (1410), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 14:57:16,927 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 282.0) internal successors, (1410), 5 states have internal predecessors, (1410), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 14:57:16,928 INFO L185 Difference]: Start difference. First operand has 30 places, 26 transitions, 80 flow. Second operand 4 states and 509 transitions. [2021-04-28 14:57:16,928 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 33 places, 32 transitions, 130 flow [2021-04-28 14:57:16,929 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 32 places, 32 transitions, 128 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-04-28 14:57:16,931 INFO L241 Difference]: Finished difference. Result has 33 places, 28 transitions, 106 flow [2021-04-28 14:57:16,931 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=282, PETRI_DIFFERENCE_MINUEND_FLOW=78, PETRI_DIFFERENCE_MINUEND_PLACES=29, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=26, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=20, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=106, PETRI_PLACES=33, PETRI_TRANSITIONS=28} [2021-04-28 14:57:16,932 INFO L343 CegarLoopForPetriNet]: 102 programPoint places, -69 predicate places. [2021-04-28 14:57:16,932 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 14:57:16,933 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 33 places, 28 transitions, 106 flow [2021-04-28 14:57:16,933 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 33 places, 28 transitions, 106 flow [2021-04-28 14:57:16,934 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 33 places, 28 transitions, 106 flow [2021-04-28 14:57:16,943 INFO L129 PetriNetUnfolder]: 5/56 cut-off events. [2021-04-28 14:57:16,943 INFO L130 PetriNetUnfolder]: For 9/9 co-relation queries the response was YES. [2021-04-28 14:57:16,943 INFO L84 FinitePrefix]: Finished finitePrefix Result has 106 conditions, 56 events. 5/56 cut-off events. For 9/9 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 114 event pairs, 1 based on Foata normal form. 0/47 useless extension candidates. Maximal degree in co-relation 49. Up to 15 conditions per place. [2021-04-28 14:57:16,944 INFO L146 LiptonReduction]: Number of co-enabled transitions 272 [2021-04-28 14:57:16,946 INFO L158 LiptonReduction]: Checked pairs total: 64 [2021-04-28 14:57:16,947 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 14:57:16,947 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 15 [2021-04-28 14:57:16,948 INFO L480 AbstractCegarLoop]: Abstraction has has 33 places, 28 transitions, 106 flow [2021-04-28 14:57:16,949 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 123.75) internal successors, (495), 4 states have internal predecessors, (495), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 14:57:16,950 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 14:57:16,950 INFO L263 CegarLoopForPetriNet]: trace histogram [3, 3, 2, 2, 1, 1, 1, 1] [2021-04-28 14:57:16,950 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-04-28 14:57:16,951 INFO L428 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 14:57:16,951 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 14:57:16,952 INFO L82 PathProgramCache]: Analyzing trace with hash 138246699, now seen corresponding path program 1 times [2021-04-28 14:57:16,952 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 14:57:16,952 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1327290751] [2021-04-28 14:57:16,952 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 14:57:16,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-04-28 14:57:17,004 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-04-28 14:57:17,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-04-28 14:57:17,060 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-04-28 14:57:17,074 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-04-28 14:57:17,075 INFO L634 BasicCegarLoop]: Counterexample might be feasible [2021-04-28 14:57:17,075 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-04-28 14:57:17,076 WARN L342 ceAbstractionStarter]: 2 thread instances were not sufficient, I will increase this number and restart the analysis [2021-04-28 14:57:17,080 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 3 thread instances. [2021-04-28 14:57:17,088 WARN L313 ript$VariableManager]: TermVariabe |threadThread3of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 14:57:17,089 WARN L313 ript$VariableManager]: TermVariabe |threadThread3of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 14:57:17,089 WARN L313 ript$VariableManager]: TermVariabe threadThread3of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 14:57:17,089 WARN L313 ript$VariableManager]: TermVariabe threadThread3of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 14:57:17,089 WARN L313 ript$VariableManager]: TermVariabe |threadThread3of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 14:57:17,089 WARN L313 ript$VariableManager]: TermVariabe |threadThread3of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 14:57:17,089 WARN L313 ript$VariableManager]: TermVariabe threadThread3of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 14:57:17,090 WARN L313 ript$VariableManager]: TermVariabe threadThread3of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 14:57:17,090 WARN L313 ript$VariableManager]: TermVariabe |threadThread3of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 14:57:17,090 WARN L313 ript$VariableManager]: TermVariabe |threadThread3of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 14:57:17,090 WARN L313 ript$VariableManager]: TermVariabe |threadThread3of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 14:57:17,090 WARN L313 ript$VariableManager]: TermVariabe |threadThread3of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 14:57:17,090 WARN L313 ript$VariableManager]: TermVariabe |threadThread2of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 14:57:17,091 WARN L313 ript$VariableManager]: TermVariabe |threadThread2of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 14:57:17,091 WARN L313 ript$VariableManager]: TermVariabe threadThread2of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 14:57:17,091 WARN L313 ript$VariableManager]: TermVariabe threadThread2of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 14:57:17,091 WARN L313 ript$VariableManager]: TermVariabe |threadThread2of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 14:57:17,091 WARN L313 ript$VariableManager]: TermVariabe |threadThread2of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 14:57:17,091 WARN L313 ript$VariableManager]: TermVariabe threadThread2of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 14:57:17,091 WARN L313 ript$VariableManager]: TermVariabe threadThread2of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 14:57:17,092 WARN L313 ript$VariableManager]: TermVariabe |threadThread2of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 14:57:17,092 WARN L313 ript$VariableManager]: TermVariabe |threadThread2of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 14:57:17,092 WARN L313 ript$VariableManager]: TermVariabe |threadThread2of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 14:57:17,092 WARN L313 ript$VariableManager]: TermVariabe |threadThread2of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 14:57:17,092 WARN L313 ript$VariableManager]: TermVariabe |threadThread1of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 14:57:17,092 WARN L313 ript$VariableManager]: TermVariabe |threadThread1of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 14:57:17,092 WARN L313 ript$VariableManager]: TermVariabe threadThread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 14:57:17,092 WARN L313 ript$VariableManager]: TermVariabe threadThread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 14:57:17,093 WARN L313 ript$VariableManager]: TermVariabe |threadThread1of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 14:57:17,093 WARN L313 ript$VariableManager]: TermVariabe |threadThread1of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 14:57:17,093 WARN L313 ript$VariableManager]: TermVariabe threadThread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 14:57:17,093 WARN L313 ript$VariableManager]: TermVariabe threadThread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 14:57:17,093 WARN L313 ript$VariableManager]: TermVariabe |threadThread1of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 14:57:17,093 WARN L313 ript$VariableManager]: TermVariabe |threadThread1of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 14:57:17,093 WARN L313 ript$VariableManager]: TermVariabe |threadThread1of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 14:57:17,094 WARN L313 ript$VariableManager]: TermVariabe |threadThread1of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 14:57:17,094 WARN L313 ript$VariableManager]: TermVariabe |threadThread1of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 14:57:17,094 WARN L313 ript$VariableManager]: TermVariabe |threadThread1of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 14:57:17,094 WARN L313 ript$VariableManager]: TermVariabe threadThread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 14:57:17,095 WARN L313 ript$VariableManager]: TermVariabe threadThread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 14:57:17,096 WARN L313 ript$VariableManager]: TermVariabe |threadThread2of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 14:57:17,097 WARN L313 ript$VariableManager]: TermVariabe |threadThread2of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 14:57:17,097 WARN L313 ript$VariableManager]: TermVariabe threadThread2of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 14:57:17,097 WARN L313 ript$VariableManager]: TermVariabe threadThread2of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 14:57:17,099 WARN L313 ript$VariableManager]: TermVariabe |threadThread3of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 14:57:17,100 WARN L313 ript$VariableManager]: TermVariabe threadThread3of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 14:57:17,100 WARN L313 ript$VariableManager]: TermVariabe |threadThread3of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 14:57:17,100 WARN L313 ript$VariableManager]: TermVariabe threadThread3of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 14:57:17,109 INFO L149 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2021-04-28 14:57:17,109 INFO L253 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2021-04-28 14:57:17,111 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-04-28 14:57:17,111 INFO L377 AbstractCegarLoop]: Hoare is false [2021-04-28 14:57:17,111 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-04-28 14:57:17,111 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-04-28 14:57:17,111 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-04-28 14:57:17,112 INFO L381 AbstractCegarLoop]: Difference is false [2021-04-28 14:57:17,112 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-04-28 14:57:17,112 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-04-28 14:57:17,114 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 98 places, 101 transitions, 232 flow [2021-04-28 14:57:17,173 INFO L129 PetriNetUnfolder]: 46/380 cut-off events. [2021-04-28 14:57:17,174 INFO L130 PetriNetUnfolder]: For 19/19 co-relation queries the response was YES. [2021-04-28 14:57:17,175 INFO L84 FinitePrefix]: Finished finitePrefix Result has 408 conditions, 380 events. 46/380 cut-off events. For 19/19 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 1100 event pairs, 1 based on Foata normal form. 0/322 useless extension candidates. Maximal degree in co-relation 225. Up to 16 conditions per place. [2021-04-28 14:57:17,175 INFO L82 GeneralOperation]: Start removeDead. Operand has 98 places, 101 transitions, 232 flow [2021-04-28 14:57:17,178 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 91 places, 93 transitions, 216 flow [2021-04-28 14:57:17,178 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 14:57:17,178 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 91 places, 93 transitions, 216 flow [2021-04-28 14:57:17,179 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 91 places, 93 transitions, 216 flow [2021-04-28 14:57:17,180 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 91 places, 93 transitions, 216 flow [2021-04-28 14:57:17,216 INFO L129 PetriNetUnfolder]: 38/316 cut-off events. [2021-04-28 14:57:17,217 INFO L130 PetriNetUnfolder]: For 19/19 co-relation queries the response was YES. [2021-04-28 14:57:17,217 INFO L84 FinitePrefix]: Finished finitePrefix Result has 344 conditions, 316 events. 38/316 cut-off events. For 19/19 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 791 event pairs, 1 based on Foata normal form. 0/274 useless extension candidates. Maximal degree in co-relation 193. Up to 16 conditions per place. [2021-04-28 14:57:17,221 INFO L146 LiptonReduction]: Number of co-enabled transitions 1152 [2021-04-28 14:57:26,037 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 30 [2021-04-28 14:57:32,066 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 11 [2021-04-28 14:57:33,393 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2021-04-28 14:57:33,498 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 55 [2021-04-28 14:57:33,619 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2021-04-28 14:57:33,724 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 55 [2021-04-28 14:57:42,016 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 22 [2021-04-28 14:57:42,690 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 57 [2021-04-28 14:57:42,792 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 53 [2021-04-28 14:57:42,904 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 57 [2021-04-28 14:57:43,008 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 53 [2021-04-28 14:57:43,475 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2021-04-28 14:57:43,628 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2021-04-28 14:57:43,804 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2021-04-28 14:57:43,955 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2021-04-28 14:57:45,917 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 51 [2021-04-28 14:57:46,026 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 47 [2021-04-28 14:57:46,145 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 51 [2021-04-28 14:57:46,248 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 47 [2021-04-28 14:57:46,351 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 47 [2021-04-28 14:57:46,540 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 47 [2021-04-28 14:57:46,871 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 32 [2021-04-28 14:57:47,063 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 32 [2021-04-28 14:57:47,273 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 35 [2021-04-28 14:57:47,478 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 35 [2021-04-28 14:57:47,661 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 29 DAG size of output: 27 [2021-04-28 14:57:47,828 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 29 DAG size of output: 27 [2021-04-28 14:57:48,892 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-04-28 14:57:49,042 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-04-28 14:57:49,223 WARN L205 SmtUtils]: Spent 177.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-04-28 14:57:49,396 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-04-28 14:57:49,518 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2021-04-28 14:57:49,628 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2021-04-28 14:57:49,743 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2021-04-28 14:57:49,854 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2021-04-28 14:57:50,124 WARN L205 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 47 [2021-04-28 14:57:50,249 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 45 [2021-04-28 14:57:50,516 WARN L205 SmtUtils]: Spent 264.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 47 [2021-04-28 14:57:50,633 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 45 [2021-04-28 14:57:50,769 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 32 [2021-04-28 14:57:50,965 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 32 [2021-04-28 14:57:51,272 WARN L205 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 44 [2021-04-28 14:57:51,389 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 42 [2021-04-28 14:57:51,626 WARN L205 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 44 [2021-04-28 14:57:51,738 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 42 [2021-04-28 14:57:52,047 WARN L205 SmtUtils]: Spent 307.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 51 [2021-04-28 14:57:52,173 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 49 [2021-04-28 14:57:52,459 WARN L205 SmtUtils]: Spent 284.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 51 [2021-04-28 14:57:52,594 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 49 [2021-04-28 14:57:53,317 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 38 [2021-04-28 14:57:53,621 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 36 [2021-04-28 14:57:53,898 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 31 [2021-04-28 14:57:54,209 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 36 [2021-04-28 14:57:54,500 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 34 [2021-04-28 14:57:54,821 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 37 [2021-04-28 14:57:55,112 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 34 [2021-04-28 14:57:55,381 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 34 [2021-04-28 14:57:55,755 WARN L205 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 44 [2021-04-28 14:57:56,041 WARN L205 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2021-04-28 14:57:56,265 WARN L205 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2021-04-28 14:57:56,479 WARN L205 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2021-04-28 14:57:56,690 WARN L205 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2021-04-28 14:57:56,965 WARN L205 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 14:57:57,218 WARN L205 SmtUtils]: Spent 251.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 14:57:57,478 WARN L205 SmtUtils]: Spent 256.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 14:57:57,742 WARN L205 SmtUtils]: Spent 261.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 14:57:58,008 WARN L205 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2021-04-28 14:57:58,261 WARN L205 SmtUtils]: Spent 250.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2021-04-28 14:57:58,479 WARN L205 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2021-04-28 14:57:58,681 WARN L205 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2021-04-28 14:57:58,939 WARN L205 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2021-04-28 14:57:59,163 WARN L205 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2021-04-28 14:57:59,386 WARN L205 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2021-04-28 14:57:59,600 WARN L205 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2021-04-28 14:57:59,787 WARN L205 SmtUtils]: Spent 184.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-28 14:58:00,000 WARN L205 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-28 14:58:00,189 WARN L205 SmtUtils]: Spent 186.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-28 14:58:00,378 WARN L205 SmtUtils]: Spent 186.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-28 14:58:00,603 WARN L205 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2021-04-28 14:58:00,823 WARN L205 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2021-04-28 14:58:01,100 WARN L205 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2021-04-28 14:58:01,356 WARN L205 SmtUtils]: Spent 254.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2021-04-28 14:58:01,553 WARN L205 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 14:58:01,749 WARN L205 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 14:58:01,928 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 14:58:02,124 WARN L205 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 14:58:02,744 WARN L205 SmtUtils]: Spent 617.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 76 [2021-04-28 14:58:03,020 WARN L205 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-28 14:58:03,622 WARN L205 SmtUtils]: Spent 599.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 76 [2021-04-28 14:58:03,913 WARN L205 SmtUtils]: Spent 288.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-28 14:58:04,673 WARN L205 SmtUtils]: Spent 757.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 95 [2021-04-28 14:58:05,019 WARN L205 SmtUtils]: Spent 343.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2021-04-28 14:58:05,724 WARN L205 SmtUtils]: Spent 703.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 95 [2021-04-28 14:58:06,091 WARN L205 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2021-04-28 14:58:06,258 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2021-04-28 14:58:06,414 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2021-04-28 14:58:06,558 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2021-04-28 14:58:06,693 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2021-04-28 14:58:06,840 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2021-04-28 14:58:06,990 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2021-04-28 14:58:07,135 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2021-04-28 14:58:07,288 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2021-04-28 14:58:07,446 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2021-04-28 14:58:07,603 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2021-04-28 14:58:07,742 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2021-04-28 14:58:07,872 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2021-04-28 14:58:08,023 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2021-04-28 14:58:08,164 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2021-04-28 14:58:08,300 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2021-04-28 14:58:08,447 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2021-04-28 14:58:08,597 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2021-04-28 14:58:08,737 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2021-04-28 14:58:08,888 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2021-04-28 14:58:09,033 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2021-04-28 14:58:09,168 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2021-04-28 14:58:09,298 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2021-04-28 14:58:09,451 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2021-04-28 14:58:09,606 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2021-04-28 14:58:10,119 WARN L205 SmtUtils]: Spent 509.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 65 [2021-04-28 14:58:10,331 WARN L205 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 61 [2021-04-28 14:58:10,829 WARN L205 SmtUtils]: Spent 495.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 65 [2021-04-28 14:58:11,054 WARN L205 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 61 [2021-04-28 14:58:11,205 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2021-04-28 14:58:11,359 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2021-04-28 14:58:11,515 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2021-04-28 14:58:11,671 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2021-04-28 14:58:12,177 WARN L205 SmtUtils]: Spent 492.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 82 [2021-04-28 14:58:12,418 WARN L205 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-28 14:58:12,978 WARN L205 SmtUtils]: Spent 557.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 88 [2021-04-28 14:58:13,276 WARN L205 SmtUtils]: Spent 296.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 14:58:13,723 WARN L205 SmtUtils]: Spent 443.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 75 [2021-04-28 14:58:13,942 WARN L205 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 75 [2021-04-28 14:58:14,390 WARN L205 SmtUtils]: Spent 446.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 78 [2021-04-28 14:58:14,621 WARN L205 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 14:58:15,113 WARN L205 SmtUtils]: Spent 471.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 78 [2021-04-28 14:58:15,310 WARN L205 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 14:58:15,732 WARN L205 SmtUtils]: Spent 419.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 76 [2021-04-28 14:58:15,955 WARN L205 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-04-28 14:58:16,362 WARN L205 SmtUtils]: Spent 403.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 75 [2021-04-28 14:58:16,558 WARN L205 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 75 [2021-04-28 14:58:17,052 WARN L205 SmtUtils]: Spent 490.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 78 [2021-04-28 14:58:17,293 WARN L205 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 14:58:17,747 WARN L205 SmtUtils]: Spent 450.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 80 [2021-04-28 14:58:17,979 WARN L205 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-28 14:58:18,471 WARN L205 SmtUtils]: Spent 489.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 83 [2021-04-28 14:58:18,712 WARN L205 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2021-04-28 14:58:19,159 WARN L205 SmtUtils]: Spent 444.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 78 [2021-04-28 14:58:19,386 WARN L205 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 14:58:19,812 WARN L205 SmtUtils]: Spent 424.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 76 [2021-04-28 14:58:20,018 WARN L205 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-04-28 14:58:20,503 WARN L205 SmtUtils]: Spent 447.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 79 [2021-04-28 14:58:20,747 WARN L205 SmtUtils]: Spent 243.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2021-04-28 14:58:21,220 WARN L205 SmtUtils]: Spent 470.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 82 [2021-04-28 14:58:21,460 WARN L205 SmtUtils]: Spent 238.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-28 14:58:21,946 WARN L205 SmtUtils]: Spent 483.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 83 [2021-04-28 14:58:22,182 WARN L205 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2021-04-28 14:58:22,756 WARN L205 SmtUtils]: Spent 571.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 87 [2021-04-28 14:58:23,018 WARN L205 SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 14:58:23,480 WARN L205 SmtUtils]: Spent 458.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 75 [2021-04-28 14:58:23,697 WARN L205 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 75 [2021-04-28 14:58:24,215 WARN L205 SmtUtils]: Spent 516.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 78 [2021-04-28 14:58:24,438 WARN L205 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 14:58:25,687 WARN L205 SmtUtils]: Spent 1.25 s on a formula simplification. DAG size of input: 119 DAG size of output: 117 [2021-04-28 14:58:26,188 WARN L205 SmtUtils]: Spent 498.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2021-04-28 14:58:27,331 WARN L205 SmtUtils]: Spent 1.14 s on a formula simplification. DAG size of input: 119 DAG size of output: 117 [2021-04-28 14:58:27,867 WARN L205 SmtUtils]: Spent 533.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2021-04-28 14:58:28,966 WARN L205 SmtUtils]: Spent 1.10 s on a formula simplification. DAG size of input: 119 DAG size of output: 117 [2021-04-28 14:58:29,444 WARN L205 SmtUtils]: Spent 475.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2021-04-28 14:58:30,588 WARN L205 SmtUtils]: Spent 1.14 s on a formula simplification. DAG size of input: 119 DAG size of output: 117 [2021-04-28 14:58:31,092 WARN L205 SmtUtils]: Spent 501.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2021-04-28 14:58:32,415 WARN L205 SmtUtils]: Spent 1.32 s on a formula simplification. DAG size of input: 122 DAG size of output: 120 [2021-04-28 14:58:33,119 WARN L205 SmtUtils]: Spent 701.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2021-04-28 14:58:34,323 WARN L205 SmtUtils]: Spent 1.20 s on a formula simplification. DAG size of input: 122 DAG size of output: 120 [2021-04-28 14:58:34,823 WARN L205 SmtUtils]: Spent 497.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2021-04-28 14:58:36,036 WARN L205 SmtUtils]: Spent 1.21 s on a formula simplification. DAG size of input: 122 DAG size of output: 120 [2021-04-28 14:58:36,573 WARN L205 SmtUtils]: Spent 533.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2021-04-28 14:58:37,971 WARN L205 SmtUtils]: Spent 1.40 s on a formula simplification. DAG size of input: 122 DAG size of output: 120 [2021-04-28 14:58:38,631 WARN L205 SmtUtils]: Spent 657.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2021-04-28 14:58:39,964 WARN L205 SmtUtils]: Spent 1.31 s on a formula simplification. DAG size of input: 124 DAG size of output: 122 [2021-04-28 14:58:40,564 WARN L205 SmtUtils]: Spent 597.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2021-04-28 14:58:41,828 WARN L205 SmtUtils]: Spent 1.26 s on a formula simplification. DAG size of input: 124 DAG size of output: 122 [2021-04-28 14:58:42,393 WARN L205 SmtUtils]: Spent 562.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2021-04-28 14:58:43,359 WARN L205 SmtUtils]: Spent 964.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 105 [2021-04-28 14:58:43,824 WARN L205 SmtUtils]: Spent 462.00 ms on a formula simplification that was a NOOP. DAG size: 101 [2021-04-28 14:58:44,926 WARN L205 SmtUtils]: Spent 1.10 s on a formula simplification. DAG size of input: 107 DAG size of output: 105 [2021-04-28 14:58:45,419 WARN L205 SmtUtils]: Spent 490.00 ms on a formula simplification that was a NOOP. DAG size: 101 [2021-04-28 14:58:46,710 WARN L205 SmtUtils]: Spent 1.29 s on a formula simplification. DAG size of input: 124 DAG size of output: 122 [2021-04-28 14:58:47,255 WARN L205 SmtUtils]: Spent 541.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2021-04-28 14:58:48,567 WARN L205 SmtUtils]: Spent 1.31 s on a formula simplification. DAG size of input: 124 DAG size of output: 122 [2021-04-28 14:58:49,107 WARN L205 SmtUtils]: Spent 536.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2021-04-28 14:58:50,288 WARN L205 SmtUtils]: Spent 1.18 s on a formula simplification. DAG size of input: 111 DAG size of output: 109 [2021-04-28 14:58:50,828 WARN L205 SmtUtils]: Spent 536.00 ms on a formula simplification that was a NOOP. DAG size: 101 [2021-04-28 14:58:51,935 WARN L205 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 111 DAG size of output: 109 [2021-04-28 14:58:52,471 WARN L205 SmtUtils]: Spent 533.00 ms on a formula simplification that was a NOOP. DAG size: 101 [2021-04-28 14:58:53,972 WARN L205 SmtUtils]: Spent 1.49 s on a formula simplification. DAG size of input: 123 DAG size of output: 121 [2021-04-28 14:58:54,604 WARN L205 SmtUtils]: Spent 630.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2021-04-28 14:58:56,127 WARN L205 SmtUtils]: Spent 1.52 s on a formula simplification. DAG size of input: 129 DAG size of output: 127 [2021-04-28 14:58:56,938 WARN L205 SmtUtils]: Spent 808.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2021-04-28 14:58:58,196 WARN L205 SmtUtils]: Spent 1.26 s on a formula simplification. DAG size of input: 116 DAG size of output: 114 [2021-04-28 14:58:58,713 WARN L205 SmtUtils]: Spent 514.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2021-04-28 14:59:00,067 WARN L205 SmtUtils]: Spent 1.35 s on a formula simplification. DAG size of input: 119 DAG size of output: 117 [2021-04-28 14:59:00,682 WARN L205 SmtUtils]: Spent 612.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2021-04-28 14:59:02,403 WARN L205 SmtUtils]: Spent 1.72 s on a formula simplification. DAG size of input: 120 DAG size of output: 118 [2021-04-28 14:59:02,936 WARN L205 SmtUtils]: Spent 531.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2021-04-28 14:59:04,712 WARN L205 SmtUtils]: Spent 1.77 s on a formula simplification. DAG size of input: 123 DAG size of output: 121 [2021-04-28 14:59:05,486 WARN L205 SmtUtils]: Spent 770.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2021-04-28 14:59:06,873 WARN L205 SmtUtils]: Spent 1.38 s on a formula simplification. DAG size of input: 119 DAG size of output: 117 [2021-04-28 14:59:07,660 WARN L205 SmtUtils]: Spent 784.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2021-04-28 14:59:09,087 WARN L205 SmtUtils]: Spent 1.42 s on a formula simplification. DAG size of input: 117 DAG size of output: 115 [2021-04-28 14:59:09,688 WARN L205 SmtUtils]: Spent 597.00 ms on a formula simplification that was a NOOP. DAG size: 107 [2021-04-28 14:59:11,195 WARN L205 SmtUtils]: Spent 1.47 s on a formula simplification. DAG size of input: 116 DAG size of output: 114 [2021-04-28 14:59:11,749 WARN L205 SmtUtils]: Spent 551.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2021-04-28 14:59:13,079 WARN L205 SmtUtils]: Spent 1.33 s on a formula simplification. DAG size of input: 119 DAG size of output: 117 [2021-04-28 14:59:13,667 WARN L205 SmtUtils]: Spent 584.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2021-04-28 14:59:15,353 WARN L205 SmtUtils]: Spent 1.68 s on a formula simplification. DAG size of input: 121 DAG size of output: 119 [2021-04-28 14:59:16,003 WARN L205 SmtUtils]: Spent 647.00 ms on a formula simplification that was a NOOP. DAG size: 111 [2021-04-28 14:59:17,806 WARN L205 SmtUtils]: Spent 1.80 s on a formula simplification. DAG size of input: 124 DAG size of output: 122 [2021-04-28 14:59:18,627 WARN L205 SmtUtils]: Spent 818.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2021-04-28 14:59:20,072 WARN L205 SmtUtils]: Spent 1.44 s on a formula simplification. DAG size of input: 116 DAG size of output: 114 [2021-04-28 14:59:20,750 WARN L205 SmtUtils]: Spent 674.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2021-04-28 14:59:22,173 WARN L205 SmtUtils]: Spent 1.42 s on a formula simplification. DAG size of input: 119 DAG size of output: 117 [2021-04-28 14:59:22,778 WARN L205 SmtUtils]: Spent 602.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2021-04-28 14:59:24,258 WARN L205 SmtUtils]: Spent 1.48 s on a formula simplification. DAG size of input: 124 DAG size of output: 122 [2021-04-28 14:59:24,893 WARN L205 SmtUtils]: Spent 633.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2021-04-28 14:59:26,352 WARN L205 SmtUtils]: Spent 1.46 s on a formula simplification. DAG size of input: 127 DAG size of output: 125 [2021-04-28 14:59:27,046 WARN L205 SmtUtils]: Spent 690.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2021-04-28 14:59:28,338 WARN L205 SmtUtils]: Spent 1.27 s on a formula simplification. DAG size of input: 107 DAG size of output: 105 [2021-04-28 14:59:28,802 WARN L205 SmtUtils]: Spent 461.00 ms on a formula simplification that was a NOOP. DAG size: 101 [2021-04-28 14:59:29,989 WARN L205 SmtUtils]: Spent 1.18 s on a formula simplification. DAG size of input: 107 DAG size of output: 105 [2021-04-28 14:59:30,570 WARN L205 SmtUtils]: Spent 580.00 ms on a formula simplification that was a NOOP. DAG size: 101 [2021-04-28 14:59:31,915 WARN L205 SmtUtils]: Spent 1.34 s on a formula simplification. DAG size of input: 119 DAG size of output: 117 [2021-04-28 14:59:32,474 WARN L205 SmtUtils]: Spent 555.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2021-04-28 14:59:33,839 WARN L205 SmtUtils]: Spent 1.36 s on a formula simplification. DAG size of input: 117 DAG size of output: 115 [2021-04-28 14:59:34,421 WARN L205 SmtUtils]: Spent 579.00 ms on a formula simplification that was a NOOP. DAG size: 107 [2021-04-28 14:59:34,455 INFO L158 LiptonReduction]: Checked pairs total: 2418 [2021-04-28 14:59:34,455 INFO L160 LiptonReduction]: Total number of compositions: 191 [2021-04-28 14:59:34,457 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 137279 [2021-04-28 14:59:34,472 INFO L129 PetriNetUnfolder]: 1/65 cut-off events. [2021-04-28 14:59:34,472 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 14:59:34,473 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 14:59:34,473 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1] [2021-04-28 14:59:34,473 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 14:59:34,474 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 14:59:34,474 INFO L82 PathProgramCache]: Analyzing trace with hash 31050925, now seen corresponding path program 1 times [2021-04-28 14:59:34,474 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 14:59:34,474 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1411021580] [2021-04-28 14:59:34,474 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 14:59:34,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 14:59:34,529 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 14:59:34,531 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-28 14:59:34,547 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 14:59:34,550 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 14:59:34,550 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 14:59:34,550 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1411021580] [2021-04-28 14:59:34,550 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 14:59:34,551 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-04-28 14:59:34,551 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1852806040] [2021-04-28 14:59:34,551 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-04-28 14:59:34,551 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 14:59:34,552 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-04-28 14:59:34,552 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-04-28 14:59:34,553 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 132 out of 292 [2021-04-28 14:59:34,555 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 109 places, 106 transitions, 242 flow. Second operand has 3 states, 3 states have (on average 133.33333333333334) internal successors, (400), 3 states have internal predecessors, (400), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 14:59:34,556 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 14:59:34,556 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 132 of 292 [2021-04-28 14:59:34,556 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 14:59:35,251 INFO L129 PetriNetUnfolder]: 15/340 cut-off events. [2021-04-28 14:59:35,251 INFO L130 PetriNetUnfolder]: For 22/22 co-relation queries the response was YES. [2021-04-28 14:59:35,252 INFO L84 FinitePrefix]: Finished finitePrefix Result has 642 conditions, 340 events. 15/340 cut-off events. For 22/22 co-relation queries the response was YES. Maximal size of possible extension queue 41. Compared 2089 event pairs, 1 based on Foata normal form. 0/77 useless extension candidates. Maximal degree in co-relation 368. Up to 265 conditions per place. [2021-04-28 14:59:35,254 INFO L132 encePairwiseOnDemand]: 284/292 looper letters, 13 selfloop transitions, 2 changer transitions 79/113 dead transitions. [2021-04-28 14:59:35,255 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 108 places, 113 transitions, 416 flow [2021-04-28 14:59:35,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-28 14:59:35,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-04-28 14:59:35,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 473 transitions. [2021-04-28 14:59:35,264 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5399543378995434 [2021-04-28 14:59:35,265 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 473 transitions. [2021-04-28 14:59:35,265 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 473 transitions. [2021-04-28 14:59:35,265 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 14:59:35,266 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 473 transitions. [2021-04-28 14:59:35,268 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 157.66666666666666) internal successors, (473), 3 states have internal predecessors, (473), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 14:59:35,272 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 292.0) internal successors, (1168), 4 states have internal predecessors, (1168), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 14:59:35,274 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 292.0) internal successors, (1168), 4 states have internal predecessors, (1168), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 14:59:35,275 INFO L185 Difference]: Start difference. First operand has 109 places, 106 transitions, 242 flow. Second operand 3 states and 473 transitions. [2021-04-28 14:59:35,275 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 108 places, 113 transitions, 416 flow [2021-04-28 14:59:35,277 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 108 places, 113 transitions, 416 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-04-28 14:59:35,280 INFO L241 Difference]: Finished difference. Result has 109 places, 32 transitions, 104 flow [2021-04-28 14:59:35,281 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=292, PETRI_DIFFERENCE_MINUEND_FLOW=236, PETRI_DIFFERENCE_MINUEND_PLACES=106, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=103, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=101, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=104, PETRI_PLACES=109, PETRI_TRANSITIONS=32} [2021-04-28 14:59:35,282 INFO L343 CegarLoopForPetriNet]: 109 programPoint places, 0 predicate places. [2021-04-28 14:59:35,282 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 14:59:35,282 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 109 places, 32 transitions, 104 flow [2021-04-28 14:59:35,282 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 109 places, 32 transitions, 104 flow [2021-04-28 14:59:35,283 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 37 places, 32 transitions, 104 flow [2021-04-28 14:59:35,295 INFO L129 PetriNetUnfolder]: 15/94 cut-off events. [2021-04-28 14:59:35,295 INFO L130 PetriNetUnfolder]: For 19/19 co-relation queries the response was YES. [2021-04-28 14:59:35,296 INFO L84 FinitePrefix]: Finished finitePrefix Result has 132 conditions, 94 events. 15/94 cut-off events. For 19/19 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 212 event pairs, 1 based on Foata normal form. 0/69 useless extension candidates. Maximal degree in co-relation 115. Up to 16 conditions per place. [2021-04-28 14:59:35,297 INFO L146 LiptonReduction]: Number of co-enabled transitions 464 [2021-04-28 14:59:35,300 INFO L158 LiptonReduction]: Checked pairs total: 96 [2021-04-28 14:59:35,300 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 14:59:35,300 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 18 [2021-04-28 14:59:35,302 INFO L480 AbstractCegarLoop]: Abstraction has has 37 places, 32 transitions, 104 flow [2021-04-28 14:59:35,303 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 133.33333333333334) internal successors, (400), 3 states have internal predecessors, (400), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 14:59:35,303 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 14:59:35,303 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 14:59:35,303 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-04-28 14:59:35,304 INFO L428 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 14:59:35,304 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 14:59:35,304 INFO L82 PathProgramCache]: Analyzing trace with hash -1130845583, now seen corresponding path program 1 times [2021-04-28 14:59:35,305 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 14:59:35,305 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [817491030] [2021-04-28 14:59:35,305 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 14:59:35,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 14:59:35,360 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 14:59:35,362 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-28 14:59:35,377 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 14:59:35,380 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-28 14:59:35,400 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 14:59:35,402 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 14:59:35,404 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 14:59:35,404 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [817491030] [2021-04-28 14:59:35,404 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1602142382] [2021-04-28 14:59:35,404 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 [2021-04-28 14:59:35,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 14:59:35,527 INFO L263 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 4 conjunts are in the unsatisfiable core [2021-04-28 14:59:35,532 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-04-28 14:59:35,539 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 14:59:35,542 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-28 14:59:35,544 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 14:59:35,548 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-28 14:59:35,551 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 14:59:35,554 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-28 14:59:35,557 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 14:59:35,560 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-28 14:59:35,599 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 14:59:35,602 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-28 14:59:35,605 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 14:59:35,609 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-28 14:59:35,612 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 14:59:35,615 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-28 14:59:35,618 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 14:59:35,620 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-28 14:59:35,624 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 14:59:35,625 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-28 14:59:35,627 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 14:59:35,629 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-28 14:59:35,631 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 14:59:35,634 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-28 14:59:35,637 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 14:59:35,639 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-28 14:59:35,643 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 14:59:35,646 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-28 14:59:35,648 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 14:59:35,651 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-28 14:59:35,654 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 14:59:35,657 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-28 14:59:35,660 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 14:59:35,663 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-28 14:59:35,666 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 14:59:35,669 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-28 14:59:35,672 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 14:59:35,675 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-28 14:59:35,680 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 14:59:35,683 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-28 14:59:35,688 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 14:59:35,694 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-28 14:59:35,699 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 14:59:35,745 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-28 14:59:35,751 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 14:59:35,756 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-28 14:59:35,763 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-28 14:59:35,769 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 14:59:35,770 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-28 14:59:35,774 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 14:59:35,777 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-28 14:59:35,784 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-28 14:59:35,789 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 14:59:35,838 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-28 14:59:35,843 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 14:59:35,846 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-28 14:59:35,904 INFO L142 QuantifierPusher]: treesize reduction 1, result has 91.7 percent of original size [2021-04-28 14:59:35,906 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-28 14:59:35,909 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 14:59:35,912 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-28 14:59:35,915 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-28 14:59:35,919 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 14:59:35,921 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-28 14:59:35,925 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 14:59:35,926 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-28 14:59:35,928 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 14:59:35,930 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-28 14:59:35,931 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-28 14:59:35,933 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-28 14:59:35,936 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 14:59:35,945 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 14:59:35,947 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 14:59:35,950 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 14:59:35,953 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 14:59:35,955 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 14:59:35,958 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 14:59:35,960 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 14:59:35,963 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 14:59:35,965 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 14:59:35,966 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 14:59:35,967 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-04-28 14:59:35,967 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 5 [2021-04-28 14:59:35,968 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1686227167] [2021-04-28 14:59:35,968 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-04-28 14:59:35,968 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 14:59:35,969 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-04-28 14:59:35,969 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2021-04-28 14:59:35,972 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 132 out of 292 [2021-04-28 14:59:35,974 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 37 places, 32 transitions, 104 flow. Second operand has 6 states, 6 states have (on average 134.0) internal successors, (804), 6 states have internal predecessors, (804), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 14:59:35,975 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 14:59:35,975 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 132 of 292 [2021-04-28 14:59:35,975 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 14:59:36,136 INFO L129 PetriNetUnfolder]: 14/93 cut-off events. [2021-04-28 14:59:36,137 INFO L130 PetriNetUnfolder]: For 25/25 co-relation queries the response was YES. [2021-04-28 14:59:36,138 INFO L84 FinitePrefix]: Finished finitePrefix Result has 193 conditions, 93 events. 14/93 cut-off events. For 25/25 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 241 event pairs, 2 based on Foata normal form. 1/69 useless extension candidates. Maximal degree in co-relation 171. Up to 57 conditions per place. [2021-04-28 14:59:36,139 INFO L132 encePairwiseOnDemand]: 289/292 looper letters, 15 selfloop transitions, 3 changer transitions 0/37 dead transitions. [2021-04-28 14:59:36,139 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 40 places, 37 transitions, 152 flow [2021-04-28 14:59:36,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-04-28 14:59:36,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-04-28 14:59:36,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 547 transitions. [2021-04-28 14:59:36,150 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4683219178082192 [2021-04-28 14:59:36,150 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 547 transitions. [2021-04-28 14:59:36,150 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 547 transitions. [2021-04-28 14:59:36,151 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 14:59:36,151 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 547 transitions. [2021-04-28 14:59:36,154 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 136.75) internal successors, (547), 4 states have internal predecessors, (547), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 14:59:36,159 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 292.0) internal successors, (1460), 5 states have internal predecessors, (1460), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 14:59:36,161 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 292.0) internal successors, (1460), 5 states have internal predecessors, (1460), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 14:59:36,162 INFO L185 Difference]: Start difference. First operand has 37 places, 32 transitions, 104 flow. Second operand 4 states and 547 transitions. [2021-04-28 14:59:36,162 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 40 places, 37 transitions, 152 flow [2021-04-28 14:59:36,164 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 39 places, 37 transitions, 150 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-04-28 14:59:36,166 INFO L241 Difference]: Finished difference. Result has 40 places, 33 transitions, 118 flow [2021-04-28 14:59:36,167 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=292, PETRI_DIFFERENCE_MINUEND_FLOW=102, PETRI_DIFFERENCE_MINUEND_PLACES=36, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=32, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=29, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=118, PETRI_PLACES=40, PETRI_TRANSITIONS=33} [2021-04-28 14:59:36,167 INFO L343 CegarLoopForPetriNet]: 109 programPoint places, -69 predicate places. [2021-04-28 14:59:36,167 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 14:59:36,168 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 40 places, 33 transitions, 118 flow [2021-04-28 14:59:36,168 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 40 places, 33 transitions, 118 flow [2021-04-28 14:59:36,168 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 40 places, 33 transitions, 118 flow [2021-04-28 14:59:36,185 INFO L129 PetriNetUnfolder]: 14/93 cut-off events. [2021-04-28 14:59:36,185 INFO L130 PetriNetUnfolder]: For 24/24 co-relation queries the response was YES. [2021-04-28 14:59:36,186 INFO L84 FinitePrefix]: Finished finitePrefix Result has 137 conditions, 93 events. 14/93 cut-off events. For 24/24 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 230 event pairs, 2 based on Foata normal form. 0/68 useless extension candidates. Maximal degree in co-relation 107. Up to 16 conditions per place. [2021-04-28 14:59:36,187 INFO L146 LiptonReduction]: Number of co-enabled transitions 480 [2021-04-28 14:59:36,191 INFO L158 LiptonReduction]: Checked pairs total: 96 [2021-04-28 14:59:36,192 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 14:59:36,192 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 25 [2021-04-28 14:59:36,193 INFO L480 AbstractCegarLoop]: Abstraction has has 40 places, 33 transitions, 118 flow [2021-04-28 14:59:36,195 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 134.0) internal successors, (804), 6 states have internal predecessors, (804), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 14:59:36,195 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 14:59:36,195 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1] [2021-04-28 14:59:36,411 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2021-04-28 14:59:36,413 INFO L428 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 14:59:36,413 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 14:59:36,414 INFO L82 PathProgramCache]: Analyzing trace with hash 1981800110, now seen corresponding path program 1 times [2021-04-28 14:59:36,414 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 14:59:36,414 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [145244629] [2021-04-28 14:59:36,414 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 14:59:36,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 14:59:36,467 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 14:59:36,468 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-28 14:59:36,484 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 14:59:36,486 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-28 14:59:36,506 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 14:59:36,509 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-28 14:59:36,535 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 14:59:36,537 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 14:59:36,538 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 14:59:36,538 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [145244629] [2021-04-28 14:59:36,539 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1325297472] [2021-04-28 14:59:36,539 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-28 14:59:36,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 14:59:36,622 INFO L263 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 5 conjunts are in the unsatisfiable core [2021-04-28 14:59:36,624 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-04-28 14:59:36,627 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 14:59:36,629 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-28 14:59:36,632 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 14:59:36,634 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-28 14:59:36,636 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 14:59:36,639 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-28 14:59:36,642 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 14:59:36,645 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-28 14:59:36,682 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 14:59:36,685 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-28 14:59:36,687 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 14:59:36,689 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-28 14:59:36,691 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 14:59:36,693 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-28 14:59:36,696 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 14:59:36,698 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-28 14:59:36,700 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 14:59:36,703 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-28 14:59:36,707 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 14:59:36,713 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-28 14:59:36,722 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 14:59:36,725 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-28 14:59:36,728 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 14:59:36,731 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-28 14:59:36,734 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 14:59:36,736 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-28 14:59:36,739 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 14:59:36,741 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-28 14:59:36,744 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 14:59:36,747 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-28 14:59:36,749 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 14:59:36,751 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-28 14:59:36,755 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 14:59:36,763 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-28 14:59:36,767 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 14:59:36,770 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-28 14:59:36,772 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 14:59:36,775 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-28 14:59:36,777 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 14:59:36,779 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-28 14:59:36,782 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 14:59:36,786 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-28 14:59:36,788 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 14:59:36,790 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-28 14:59:36,793 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-28 14:59:36,796 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 14:59:36,798 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-28 14:59:36,800 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 14:59:36,803 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-28 14:59:36,814 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-28 14:59:36,817 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 14:59:36,821 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-28 14:59:36,825 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 14:59:36,828 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-28 14:59:36,867 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 14:59:36,870 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-28 14:59:36,872 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 14:59:36,874 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-28 14:59:36,876 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 14:59:36,878 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-28 14:59:36,882 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 14:59:36,884 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-28 14:59:36,887 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 14:59:36,889 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-28 14:59:36,892 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 14:59:36,894 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-28 14:59:36,897 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 14:59:36,901 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-28 14:59:36,904 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 14:59:36,907 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-28 14:59:36,910 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 14:59:36,913 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-28 14:59:36,915 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 14:59:36,918 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-28 14:59:36,922 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 14:59:36,925 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-28 14:59:36,928 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 14:59:36,929 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-28 14:59:36,932 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 14:59:36,934 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-28 14:59:36,937 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 14:59:36,940 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-28 14:59:36,942 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 14:59:36,945 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-28 14:59:36,949 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 14:59:36,952 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-28 14:59:36,956 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 14:59:36,957 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-28 14:59:36,960 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 14:59:36,962 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-28 14:59:36,965 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-28 14:59:36,969 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 14:59:36,970 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-28 14:59:36,973 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 14:59:36,977 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-28 14:59:36,980 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-28 14:59:36,983 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 14:59:36,987 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-28 14:59:36,989 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 14:59:36,993 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-28 14:59:37,033 INFO L142 QuantifierPusher]: treesize reduction 1, result has 91.7 percent of original size [2021-04-28 14:59:37,035 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-28 14:59:37,037 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 14:59:37,039 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-28 14:59:37,042 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-28 14:59:37,048 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 14:59:37,050 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-28 14:59:37,053 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 14:59:37,055 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-28 14:59:37,058 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 14:59:37,060 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-28 14:59:37,064 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-28 14:59:37,067 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-28 14:59:37,072 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 14:59:37,078 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 14:59:37,080 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 14:59:37,082 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 14:59:37,085 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 14:59:37,087 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 14:59:37,089 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 14:59:37,091 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 14:59:37,094 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 14:59:37,096 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 14:59:37,097 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 14:59:37,097 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-04-28 14:59:37,097 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 7 [2021-04-28 14:59:37,098 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1504404279] [2021-04-28 14:59:37,098 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-04-28 14:59:37,098 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 14:59:37,099 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-04-28 14:59:37,099 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=31, Unknown=0, NotChecked=0, Total=56 [2021-04-28 14:59:37,102 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 132 out of 292 [2021-04-28 14:59:37,104 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 40 places, 33 transitions, 118 flow. Second operand has 8 states, 8 states have (on average 134.25) internal successors, (1074), 8 states have internal predecessors, (1074), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 14:59:37,105 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 14:59:37,105 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 132 of 292 [2021-04-28 14:59:37,105 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 14:59:37,318 INFO L129 PetriNetUnfolder]: 13/92 cut-off events. [2021-04-28 14:59:37,318 INFO L130 PetriNetUnfolder]: For 34/34 co-relation queries the response was YES. [2021-04-28 14:59:37,319 INFO L84 FinitePrefix]: Finished finitePrefix Result has 196 conditions, 92 events. 13/92 cut-off events. For 34/34 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 194 event pairs, 5 based on Foata normal form. 1/68 useless extension candidates. Maximal degree in co-relation 158. Up to 53 conditions per place. [2021-04-28 14:59:37,320 INFO L132 encePairwiseOnDemand]: 289/292 looper letters, 15 selfloop transitions, 4 changer transitions 1/39 dead transitions. [2021-04-28 14:59:37,320 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 44 places, 39 transitions, 170 flow [2021-04-28 14:59:37,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-04-28 14:59:37,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-04-28 14:59:37,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 681 transitions. [2021-04-28 14:59:37,328 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.46643835616438356 [2021-04-28 14:59:37,328 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 681 transitions. [2021-04-28 14:59:37,328 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 681 transitions. [2021-04-28 14:59:37,329 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 14:59:37,329 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 681 transitions. [2021-04-28 14:59:37,332 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 136.2) internal successors, (681), 5 states have internal predecessors, (681), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 14:59:37,337 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 292.0) internal successors, (1752), 6 states have internal predecessors, (1752), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 14:59:37,339 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 292.0) internal successors, (1752), 6 states have internal predecessors, (1752), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 14:59:37,339 INFO L185 Difference]: Start difference. First operand has 40 places, 33 transitions, 118 flow. Second operand 5 states and 681 transitions. [2021-04-28 14:59:37,340 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 44 places, 39 transitions, 170 flow [2021-04-28 14:59:37,341 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 42 places, 39 transitions, 164 flow, removed 1 selfloop flow, removed 2 redundant places. [2021-04-28 14:59:37,343 INFO L241 Difference]: Finished difference. Result has 43 places, 33 transitions, 124 flow [2021-04-28 14:59:37,344 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=292, PETRI_DIFFERENCE_MINUEND_FLOW=112, PETRI_DIFFERENCE_MINUEND_PLACES=38, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=33, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=29, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=124, PETRI_PLACES=43, PETRI_TRANSITIONS=33} [2021-04-28 14:59:37,344 INFO L343 CegarLoopForPetriNet]: 109 programPoint places, -66 predicate places. [2021-04-28 14:59:37,344 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 14:59:37,345 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 43 places, 33 transitions, 124 flow [2021-04-28 14:59:37,345 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 43 places, 33 transitions, 124 flow [2021-04-28 14:59:37,345 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 43 places, 33 transitions, 124 flow [2021-04-28 14:59:37,378 INFO L129 PetriNetUnfolder]: 13/92 cut-off events. [2021-04-28 14:59:37,378 INFO L130 PetriNetUnfolder]: For 28/28 co-relation queries the response was YES. [2021-04-28 14:59:37,379 INFO L84 FinitePrefix]: Finished finitePrefix Result has 138 conditions, 92 events. 13/92 cut-off events. For 28/28 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 193 event pairs, 5 based on Foata normal form. 0/67 useless extension candidates. Maximal degree in co-relation 94. Up to 16 conditions per place. [2021-04-28 14:59:37,381 INFO L146 LiptonReduction]: Number of co-enabled transitions 480 [2021-04-28 14:59:37,385 INFO L158 LiptonReduction]: Checked pairs total: 96 [2021-04-28 14:59:37,386 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 14:59:37,386 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 42 [2021-04-28 14:59:37,388 INFO L480 AbstractCegarLoop]: Abstraction has has 43 places, 33 transitions, 124 flow [2021-04-28 14:59:37,389 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 134.25) internal successors, (1074), 8 states have internal predecessors, (1074), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 14:59:37,389 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 14:59:37,389 INFO L263 CegarLoopForPetriNet]: trace histogram [4, 4, 3, 3, 1, 1, 1, 1, 1] [2021-04-28 14:59:37,602 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-28 14:59:37,603 INFO L428 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 14:59:37,604 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 14:59:37,605 INFO L82 PathProgramCache]: Analyzing trace with hash -1122020069, now seen corresponding path program 1 times [2021-04-28 14:59:37,605 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 14:59:37,605 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1386109159] [2021-04-28 14:59:37,605 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 14:59:37,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-04-28 14:59:37,654 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-04-28 14:59:37,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-04-28 14:59:37,711 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-04-28 14:59:37,724 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-04-28 14:59:37,725 INFO L634 BasicCegarLoop]: Counterexample might be feasible [2021-04-28 14:59:37,725 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-04-28 14:59:37,725 WARN L342 ceAbstractionStarter]: 3 thread instances were not sufficient, I will increase this number and restart the analysis [2021-04-28 14:59:37,726 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 4 thread instances. [2021-04-28 14:59:37,736 WARN L313 ript$VariableManager]: TermVariabe |threadThread3of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 14:59:37,736 WARN L313 ript$VariableManager]: TermVariabe |threadThread3of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 14:59:37,736 WARN L313 ript$VariableManager]: TermVariabe threadThread3of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 14:59:37,736 WARN L313 ript$VariableManager]: TermVariabe threadThread3of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 14:59:37,737 WARN L313 ript$VariableManager]: TermVariabe |threadThread3of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 14:59:37,737 WARN L313 ript$VariableManager]: TermVariabe |threadThread3of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 14:59:37,737 WARN L313 ript$VariableManager]: TermVariabe threadThread3of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 14:59:37,737 WARN L313 ript$VariableManager]: TermVariabe threadThread3of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 14:59:37,738 WARN L313 ript$VariableManager]: TermVariabe |threadThread3of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 14:59:37,738 WARN L313 ript$VariableManager]: TermVariabe |threadThread3of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 14:59:37,738 WARN L313 ript$VariableManager]: TermVariabe |threadThread3of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 14:59:37,738 WARN L313 ript$VariableManager]: TermVariabe |threadThread3of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 14:59:37,738 WARN L313 ript$VariableManager]: TermVariabe |threadThread1of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 14:59:37,738 WARN L313 ript$VariableManager]: TermVariabe |threadThread1of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 14:59:37,738 WARN L313 ript$VariableManager]: TermVariabe threadThread1of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 14:59:37,738 WARN L313 ript$VariableManager]: TermVariabe threadThread1of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 14:59:37,738 WARN L313 ript$VariableManager]: TermVariabe |threadThread1of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 14:59:37,739 WARN L313 ript$VariableManager]: TermVariabe |threadThread1of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 14:59:37,739 WARN L313 ript$VariableManager]: TermVariabe threadThread1of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 14:59:37,739 WARN L313 ript$VariableManager]: TermVariabe threadThread1of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 14:59:37,739 WARN L313 ript$VariableManager]: TermVariabe |threadThread1of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 14:59:37,739 WARN L313 ript$VariableManager]: TermVariabe |threadThread1of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 14:59:37,739 WARN L313 ript$VariableManager]: TermVariabe |threadThread1of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 14:59:37,739 WARN L313 ript$VariableManager]: TermVariabe |threadThread1of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 14:59:37,740 WARN L313 ript$VariableManager]: TermVariabe |threadThread2of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 14:59:37,740 WARN L313 ript$VariableManager]: TermVariabe |threadThread2of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 14:59:37,740 WARN L313 ript$VariableManager]: TermVariabe threadThread2of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 14:59:37,740 WARN L313 ript$VariableManager]: TermVariabe threadThread2of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 14:59:37,740 WARN L313 ript$VariableManager]: TermVariabe |threadThread2of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 14:59:37,740 WARN L313 ript$VariableManager]: TermVariabe |threadThread2of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 14:59:37,740 WARN L313 ript$VariableManager]: TermVariabe threadThread2of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 14:59:37,741 WARN L313 ript$VariableManager]: TermVariabe threadThread2of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 14:59:37,741 WARN L313 ript$VariableManager]: TermVariabe |threadThread2of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 14:59:37,741 WARN L313 ript$VariableManager]: TermVariabe |threadThread2of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 14:59:37,741 WARN L313 ript$VariableManager]: TermVariabe |threadThread2of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 14:59:37,741 WARN L313 ript$VariableManager]: TermVariabe |threadThread2of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 14:59:37,741 WARN L313 ript$VariableManager]: TermVariabe |threadThread4of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 14:59:37,742 WARN L313 ript$VariableManager]: TermVariabe |threadThread4of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 14:59:37,742 WARN L313 ript$VariableManager]: TermVariabe threadThread4of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 14:59:37,742 WARN L313 ript$VariableManager]: TermVariabe threadThread4of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 14:59:37,742 WARN L313 ript$VariableManager]: TermVariabe |threadThread4of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 14:59:37,742 WARN L313 ript$VariableManager]: TermVariabe |threadThread4of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 14:59:37,742 WARN L313 ript$VariableManager]: TermVariabe threadThread4of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 14:59:37,742 WARN L313 ript$VariableManager]: TermVariabe threadThread4of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 14:59:37,742 WARN L313 ript$VariableManager]: TermVariabe |threadThread4of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 14:59:37,743 WARN L313 ript$VariableManager]: TermVariabe |threadThread4of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 14:59:37,743 WARN L313 ript$VariableManager]: TermVariabe |threadThread4of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 14:59:37,743 WARN L313 ript$VariableManager]: TermVariabe |threadThread4of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 14:59:37,743 WARN L313 ript$VariableManager]: TermVariabe |threadThread1of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 14:59:37,744 WARN L313 ript$VariableManager]: TermVariabe threadThread1of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 14:59:37,744 WARN L313 ript$VariableManager]: TermVariabe |threadThread1of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 14:59:37,744 WARN L313 ript$VariableManager]: TermVariabe threadThread1of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 14:59:37,746 WARN L313 ript$VariableManager]: TermVariabe threadThread2of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 14:59:37,746 WARN L313 ript$VariableManager]: TermVariabe |threadThread2of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 14:59:37,746 WARN L313 ript$VariableManager]: TermVariabe threadThread2of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 14:59:37,746 WARN L313 ript$VariableManager]: TermVariabe |threadThread2of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 14:59:37,749 WARN L313 ript$VariableManager]: TermVariabe threadThread3of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 14:59:37,750 WARN L313 ript$VariableManager]: TermVariabe |threadThread3of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 14:59:37,750 WARN L313 ript$VariableManager]: TermVariabe threadThread3of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 14:59:37,750 WARN L313 ript$VariableManager]: TermVariabe |threadThread3of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 14:59:37,753 WARN L313 ript$VariableManager]: TermVariabe |threadThread4of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 14:59:37,754 WARN L313 ript$VariableManager]: TermVariabe threadThread4of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 14:59:37,754 WARN L313 ript$VariableManager]: TermVariabe |threadThread4of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 14:59:37,754 WARN L313 ript$VariableManager]: TermVariabe threadThread4of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 14:59:37,768 INFO L149 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2021-04-28 14:59:37,768 INFO L253 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2021-04-28 14:59:37,770 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-04-28 14:59:37,770 INFO L377 AbstractCegarLoop]: Hoare is false [2021-04-28 14:59:37,770 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-04-28 14:59:37,770 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-04-28 14:59:37,770 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-04-28 14:59:37,770 INFO L381 AbstractCegarLoop]: Difference is false [2021-04-28 14:59:37,770 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-04-28 14:59:37,770 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-04-28 14:59:37,773 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 105 places, 107 transitions, 258 flow [2021-04-28 14:59:37,876 INFO L129 PetriNetUnfolder]: 92/691 cut-off events. [2021-04-28 14:59:37,876 INFO L130 PetriNetUnfolder]: For 48/48 co-relation queries the response was YES. [2021-04-28 14:59:37,878 INFO L84 FinitePrefix]: Finished finitePrefix Result has 746 conditions, 691 events. 92/691 cut-off events. For 48/48 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 2764 event pairs, 6 based on Foata normal form. 0/583 useless extension candidates. Maximal degree in co-relation 400. Up to 32 conditions per place. [2021-04-28 14:59:37,879 INFO L82 GeneralOperation]: Start removeDead. Operand has 105 places, 107 transitions, 258 flow [2021-04-28 14:59:37,882 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 98 places, 99 transitions, 242 flow [2021-04-28 14:59:37,882 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 14:59:37,882 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 98 places, 99 transitions, 242 flow [2021-04-28 14:59:37,883 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 98 places, 99 transitions, 242 flow [2021-04-28 14:59:37,884 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 98 places, 99 transitions, 242 flow [2021-04-28 14:59:37,965 INFO L129 PetriNetUnfolder]: 76/563 cut-off events. [2021-04-28 14:59:37,966 INFO L130 PetriNetUnfolder]: For 48/48 co-relation queries the response was YES. [2021-04-28 14:59:37,969 INFO L84 FinitePrefix]: Finished finitePrefix Result has 618 conditions, 563 events. 76/563 cut-off events. For 48/48 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 1993 event pairs, 6 based on Foata normal form. 0/487 useless extension candidates. Maximal degree in co-relation 336. Up to 32 conditions per place. [2021-04-28 14:59:37,981 INFO L146 LiptonReduction]: Number of co-enabled transitions 1648 [2021-04-28 14:59:44,825 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 30 [2021-04-28 14:59:55,433 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 12 [2021-04-28 14:59:55,571 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 18 DAG size of output: 16 [2021-04-28 14:59:56,394 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2021-04-28 14:59:56,528 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 55 [2021-04-28 14:59:56,687 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2021-04-28 14:59:56,824 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 55 [2021-04-28 14:59:57,175 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 16 DAG size of output: 14 [2021-04-28 15:00:09,480 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 14 [2021-04-28 15:00:09,654 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 20 DAG size of output: 18 [2021-04-28 15:00:09,946 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 21 DAG size of output: 19 [2021-04-28 15:00:10,250 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 21 DAG size of output: 19 [2021-04-28 15:00:11,495 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 37 [2021-04-28 15:00:11,629 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 33 [2021-04-28 15:00:11,772 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 37 [2021-04-28 15:00:11,887 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 33 [2021-04-28 15:00:12,085 WARN L205 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 57 [2021-04-28 15:00:12,251 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 53 [2021-04-28 15:00:12,447 WARN L205 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 57 [2021-04-28 15:00:12,608 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 53 [2021-04-28 15:00:12,871 WARN L205 SmtUtils]: Spent 258.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2021-04-28 15:00:13,079 WARN L205 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2021-04-28 15:00:13,334 WARN L205 SmtUtils]: Spent 252.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2021-04-28 15:00:13,545 WARN L205 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2021-04-28 15:00:14,901 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 51 [2021-04-28 15:00:15,052 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 47 [2021-04-28 15:00:15,222 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification that was a NOOP. DAG size: 51 [2021-04-28 15:00:15,364 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 47 [2021-04-28 15:00:15,538 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 47 [2021-04-28 15:00:15,674 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 43 [2021-04-28 15:00:15,853 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 47 [2021-04-28 15:00:15,972 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 43 [2021-04-28 15:00:16,105 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 44 [2021-04-28 15:00:16,216 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 40 [2021-04-28 15:00:16,356 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 44 [2021-04-28 15:00:16,470 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 40 [2021-04-28 15:00:16,968 WARN L205 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 35 [2021-04-28 15:00:17,257 WARN L205 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 35 [2021-04-28 15:00:17,533 WARN L205 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 32 [2021-04-28 15:00:17,807 WARN L205 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 32 [2021-04-28 15:00:18,120 WARN L205 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 29 DAG size of output: 27 [2021-04-28 15:00:18,370 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 29 DAG size of output: 27 [2021-04-28 15:00:19,083 WARN L205 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 32 DAG size of output: 30 [2021-04-28 15:00:19,517 WARN L205 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 32 DAG size of output: 30 [2021-04-28 15:00:20,672 WARN L205 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 32 DAG size of output: 30 [2021-04-28 15:00:20,969 WARN L205 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-04-28 15:00:21,174 WARN L205 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-04-28 15:00:21,385 WARN L205 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-04-28 15:00:21,609 WARN L205 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-04-28 15:00:22,009 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2021-04-28 15:00:22,166 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2021-04-28 15:00:22,327 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2021-04-28 15:00:22,476 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2021-04-28 15:00:22,584 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 36 [2021-04-28 15:00:22,689 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 36 [2021-04-28 15:00:22,797 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 36 [2021-04-28 15:00:22,908 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 36 [2021-04-28 15:00:23,126 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 32 [2021-04-28 15:00:23,401 WARN L205 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 32 [2021-04-28 15:00:23,890 WARN L205 SmtUtils]: Spent 402.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 51 [2021-04-28 15:00:24,081 WARN L205 SmtUtils]: Spent 187.00 ms on a formula simplification that was a NOOP. DAG size: 49 [2021-04-28 15:00:24,519 WARN L205 SmtUtils]: Spent 435.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 51 [2021-04-28 15:00:24,729 WARN L205 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 49 [2021-04-28 15:00:25,055 WARN L205 SmtUtils]: Spent 323.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 44 [2021-04-28 15:00:25,213 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 42 [2021-04-28 15:00:25,544 WARN L205 SmtUtils]: Spent 328.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 44 [2021-04-28 15:00:25,687 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 42 [2021-04-28 15:00:26,025 WARN L205 SmtUtils]: Spent 335.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 47 [2021-04-28 15:00:26,178 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 45 [2021-04-28 15:00:26,544 WARN L205 SmtUtils]: Spent 363.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 47 [2021-04-28 15:00:26,713 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 45 [2021-04-28 15:00:27,581 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 33 [2021-04-28 15:00:27,783 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 34 [2021-04-28 15:00:27,980 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 37 [2021-04-28 15:00:28,313 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 35 [2021-04-28 15:00:28,638 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 36 [2021-04-28 15:00:29,178 WARN L205 SmtUtils]: Spent 301.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 43 [2021-04-28 15:00:30,488 WARN L205 SmtUtils]: Spent 613.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 83 [2021-04-28 15:00:30,771 WARN L205 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2021-04-28 15:00:31,487 WARN L205 SmtUtils]: Spent 712.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 86 [2021-04-28 15:00:31,831 WARN L205 SmtUtils]: Spent 342.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 15:00:32,068 WARN L205 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-28 15:00:32,303 WARN L205 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-28 15:00:32,541 WARN L205 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-28 15:00:32,782 WARN L205 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-28 15:00:33,399 WARN L205 SmtUtils]: Spent 613.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 83 [2021-04-28 15:00:33,690 WARN L205 SmtUtils]: Spent 288.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2021-04-28 15:00:34,329 WARN L205 SmtUtils]: Spent 637.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 86 [2021-04-28 15:00:34,651 WARN L205 SmtUtils]: Spent 319.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 15:00:35,002 WARN L205 SmtUtils]: Spent 347.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2021-04-28 15:00:35,304 WARN L205 SmtUtils]: Spent 300.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2021-04-28 15:00:35,584 WARN L205 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2021-04-28 15:00:35,857 WARN L205 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2021-04-28 15:00:36,383 WARN L205 SmtUtils]: Spent 522.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 80 [2021-04-28 15:00:36,650 WARN L205 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-28 15:00:37,251 WARN L205 SmtUtils]: Spent 599.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 83 [2021-04-28 15:00:37,550 WARN L205 SmtUtils]: Spent 296.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2021-04-28 15:00:37,820 WARN L205 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2021-04-28 15:00:38,123 WARN L205 SmtUtils]: Spent 301.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2021-04-28 15:00:38,455 WARN L205 SmtUtils]: Spent 329.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2021-04-28 15:00:38,758 WARN L205 SmtUtils]: Spent 301.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2021-04-28 15:00:39,283 WARN L205 SmtUtils]: Spent 521.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 79 [2021-04-28 15:00:39,545 WARN L205 SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2021-04-28 15:00:40,153 WARN L205 SmtUtils]: Spent 606.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 82 [2021-04-28 15:00:40,429 WARN L205 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-28 15:00:40,719 WARN L205 SmtUtils]: Spent 287.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 15:00:41,000 WARN L205 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 15:00:41,279 WARN L205 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 15:00:41,559 WARN L205 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 15:00:41,852 WARN L205 SmtUtils]: Spent 290.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2021-04-28 15:00:42,147 WARN L205 SmtUtils]: Spent 292.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2021-04-28 15:00:42,441 WARN L205 SmtUtils]: Spent 291.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2021-04-28 15:00:42,733 WARN L205 SmtUtils]: Spent 290.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2021-04-28 15:00:42,948 WARN L205 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2021-04-28 15:00:43,168 WARN L205 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2021-04-28 15:00:43,374 WARN L205 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2021-04-28 15:00:43,605 WARN L205 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2021-04-28 15:00:43,828 WARN L205 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2021-04-28 15:00:44,036 WARN L205 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2021-04-28 15:00:44,228 WARN L205 SmtUtils]: Spent 189.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2021-04-28 15:00:44,415 WARN L205 SmtUtils]: Spent 184.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2021-04-28 15:00:44,625 WARN L205 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2021-04-28 15:00:44,845 WARN L205 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2021-04-28 15:00:45,041 WARN L205 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2021-04-28 15:00:45,248 WARN L205 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2021-04-28 15:00:45,855 WARN L205 SmtUtils]: Spent 605.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 65 [2021-04-28 15:00:46,151 WARN L205 SmtUtils]: Spent 293.00 ms on a formula simplification that was a NOOP. DAG size: 61 [2021-04-28 15:00:46,806 WARN L205 SmtUtils]: Spent 652.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 65 [2021-04-28 15:00:47,119 WARN L205 SmtUtils]: Spent 310.00 ms on a formula simplification that was a NOOP. DAG size: 61 [2021-04-28 15:00:48,214 WARN L205 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 97 DAG size of output: 95 [2021-04-28 15:00:48,688 WARN L205 SmtUtils]: Spent 471.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2021-04-28 15:00:49,693 WARN L205 SmtUtils]: Spent 1.00 s on a formula simplification. DAG size of input: 97 DAG size of output: 95 [2021-04-28 15:00:50,192 WARN L205 SmtUtils]: Spent 496.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2021-04-28 15:00:50,435 WARN L205 SmtUtils]: Spent 240.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2021-04-28 15:00:50,650 WARN L205 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2021-04-28 15:00:50,849 WARN L205 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2021-04-28 15:00:51,042 WARN L205 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2021-04-28 15:00:51,255 WARN L205 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2021-04-28 15:00:51,484 WARN L205 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2021-04-28 15:00:51,709 WARN L205 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2021-04-28 15:00:51,930 WARN L205 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2021-04-28 15:00:52,805 WARN L205 SmtUtils]: Spent 871.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 76 [2021-04-28 15:00:53,216 WARN L205 SmtUtils]: Spent 408.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-28 15:00:54,081 WARN L205 SmtUtils]: Spent 862.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 76 [2021-04-28 15:00:54,510 WARN L205 SmtUtils]: Spent 426.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-28 15:00:54,745 WARN L205 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2021-04-28 15:00:54,972 WARN L205 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2021-04-28 15:00:55,174 WARN L205 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2021-04-28 15:00:55,377 WARN L205 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2021-04-28 15:00:55,593 WARN L205 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2021-04-28 15:00:55,796 WARN L205 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2021-04-28 15:00:56,012 WARN L205 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2021-04-28 15:00:56,216 WARN L205 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2021-04-28 15:00:56,994 WARN L205 SmtUtils]: Spent 752.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 77 [2021-04-28 15:00:57,324 WARN L205 SmtUtils]: Spent 327.00 ms on a formula simplification that was a NOOP. DAG size: 77 [2021-04-28 15:00:58,002 WARN L205 SmtUtils]: Spent 674.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 83 [2021-04-28 15:00:58,333 WARN L205 SmtUtils]: Spent 329.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2021-04-28 15:00:58,970 WARN L205 SmtUtils]: Spent 633.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 83 [2021-04-28 15:00:59,262 WARN L205 SmtUtils]: Spent 290.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2021-04-28 15:01:00,003 WARN L205 SmtUtils]: Spent 738.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 86 [2021-04-28 15:01:00,361 WARN L205 SmtUtils]: Spent 356.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 15:01:00,915 WARN L205 SmtUtils]: Spent 550.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 75 [2021-04-28 15:01:01,190 WARN L205 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 75 [2021-04-28 15:01:01,816 WARN L205 SmtUtils]: Spent 623.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 78 [2021-04-28 15:01:02,117 WARN L205 SmtUtils]: Spent 297.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 15:01:02,664 WARN L205 SmtUtils]: Spent 543.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 78 [2021-04-28 15:01:02,929 WARN L205 SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 15:01:03,480 WARN L205 SmtUtils]: Spent 548.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 76 [2021-04-28 15:01:03,755 WARN L205 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-04-28 15:01:04,290 WARN L205 SmtUtils]: Spent 531.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 75 [2021-04-28 15:01:04,542 WARN L205 SmtUtils]: Spent 249.00 ms on a formula simplification that was a NOOP. DAG size: 75 [2021-04-28 15:01:05,082 WARN L205 SmtUtils]: Spent 536.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 78 [2021-04-28 15:01:05,342 WARN L205 SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 15:01:05,888 WARN L205 SmtUtils]: Spent 543.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 78 [2021-04-28 15:01:06,169 WARN L205 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 15:01:06,765 WARN L205 SmtUtils]: Spent 592.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 76 [2021-04-28 15:01:07,059 WARN L205 SmtUtils]: Spent 291.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-04-28 15:01:07,699 WARN L205 SmtUtils]: Spent 636.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 75 [2021-04-28 15:01:07,995 WARN L205 SmtUtils]: Spent 293.00 ms on a formula simplification that was a NOOP. DAG size: 75 [2021-04-28 15:01:08,659 WARN L205 SmtUtils]: Spent 661.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 83 [2021-04-28 15:01:08,973 WARN L205 SmtUtils]: Spent 310.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2021-04-28 15:01:10,599 WARN L205 SmtUtils]: Spent 1.55 s on a formula simplification. DAG size of input: 122 DAG size of output: 120 [2021-04-28 15:01:11,267 WARN L205 SmtUtils]: Spent 664.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2021-04-28 15:01:13,648 WARN L205 SmtUtils]: Spent 2.38 s on a formula simplification. DAG size of input: 122 DAG size of output: 120 [2021-04-28 15:01:14,359 WARN L205 SmtUtils]: Spent 708.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2021-04-28 15:01:15,605 WARN L205 SmtUtils]: Spent 1.24 s on a formula simplification. DAG size of input: 107 DAG size of output: 105 [2021-04-28 15:01:16,237 WARN L205 SmtUtils]: Spent 629.00 ms on a formula simplification that was a NOOP. DAG size: 101 [2021-04-28 15:01:17,498 WARN L205 SmtUtils]: Spent 1.26 s on a formula simplification. DAG size of input: 107 DAG size of output: 105 [2021-04-28 15:01:18,116 WARN L205 SmtUtils]: Spent 614.00 ms on a formula simplification that was a NOOP. DAG size: 101 [2021-04-28 15:01:19,695 WARN L205 SmtUtils]: Spent 1.57 s on a formula simplification. DAG size of input: 124 DAG size of output: 122 [2021-04-28 15:01:20,420 WARN L205 SmtUtils]: Spent 723.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2021-04-28 15:01:22,091 WARN L205 SmtUtils]: Spent 1.67 s on a formula simplification. DAG size of input: 127 DAG size of output: 125 [2021-04-28 15:01:23,041 WARN L205 SmtUtils]: Spent 946.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2021-04-28 15:01:24,737 WARN L205 SmtUtils]: Spent 1.69 s on a formula simplification. DAG size of input: 120 DAG size of output: 118 [2021-04-28 15:01:25,462 WARN L205 SmtUtils]: Spent 721.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2021-04-28 15:01:27,310 WARN L205 SmtUtils]: Spent 1.85 s on a formula simplification. DAG size of input: 123 DAG size of output: 121 [2021-04-28 15:01:28,158 WARN L205 SmtUtils]: Spent 844.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2021-04-28 15:01:29,821 WARN L205 SmtUtils]: Spent 1.63 s on a formula simplification. DAG size of input: 124 DAG size of output: 122 [2021-04-28 15:01:30,534 WARN L205 SmtUtils]: Spent 709.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2021-04-28 15:01:32,170 WARN L205 SmtUtils]: Spent 1.63 s on a formula simplification. DAG size of input: 127 DAG size of output: 125 [2021-04-28 15:01:32,905 WARN L205 SmtUtils]: Spent 732.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2021-04-28 15:01:34,652 WARN L205 SmtUtils]: Spent 1.74 s on a formula simplification. DAG size of input: 124 DAG size of output: 122 [2021-04-28 15:01:35,409 WARN L205 SmtUtils]: Spent 753.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2021-04-28 15:01:37,051 WARN L205 SmtUtils]: Spent 1.64 s on a formula simplification. DAG size of input: 124 DAG size of output: 122 [2021-04-28 15:01:37,819 WARN L205 SmtUtils]: Spent 764.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2021-04-28 15:01:39,213 WARN L205 SmtUtils]: Spent 1.39 s on a formula simplification. DAG size of input: 111 DAG size of output: 109 [2021-04-28 15:01:39,870 WARN L205 SmtUtils]: Spent 653.00 ms on a formula simplification that was a NOOP. DAG size: 101 [2021-04-28 15:01:41,271 WARN L205 SmtUtils]: Spent 1.40 s on a formula simplification. DAG size of input: 111 DAG size of output: 109 [2021-04-28 15:01:41,990 WARN L205 SmtUtils]: Spent 716.00 ms on a formula simplification that was a NOOP. DAG size: 101 [2021-04-28 15:01:43,737 WARN L205 SmtUtils]: Spent 1.74 s on a formula simplification. DAG size of input: 121 DAG size of output: 119 [2021-04-28 15:01:44,454 WARN L205 SmtUtils]: Spent 713.00 ms on a formula simplification that was a NOOP. DAG size: 111 [2021-04-28 15:01:46,216 WARN L205 SmtUtils]: Spent 1.76 s on a formula simplification. DAG size of input: 124 DAG size of output: 122 [2021-04-28 15:01:47,068 WARN L205 SmtUtils]: Spent 849.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2021-04-28 15:01:49,159 WARN L205 SmtUtils]: Spent 2.09 s on a formula simplification. DAG size of input: 122 DAG size of output: 120 [2021-04-28 15:01:49,879 WARN L205 SmtUtils]: Spent 717.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2021-04-28 15:01:51,647 WARN L205 SmtUtils]: Spent 1.76 s on a formula simplification. DAG size of input: 122 DAG size of output: 120 [2021-04-28 15:01:52,348 WARN L205 SmtUtils]: Spent 697.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2021-04-28 15:01:54,027 WARN L205 SmtUtils]: Spent 1.68 s on a formula simplification. DAG size of input: 119 DAG size of output: 117 [2021-04-28 15:01:54,689 WARN L205 SmtUtils]: Spent 658.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2021-04-28 15:01:56,352 WARN L205 SmtUtils]: Spent 1.66 s on a formula simplification. DAG size of input: 119 DAG size of output: 117 [2021-04-28 15:01:57,097 WARN L205 SmtUtils]: Spent 741.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2021-04-28 15:01:58,775 WARN L205 SmtUtils]: Spent 1.66 s on a formula simplification. DAG size of input: 116 DAG size of output: 114 [2021-04-28 15:01:59,538 WARN L205 SmtUtils]: Spent 759.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2021-04-28 15:02:01,481 WARN L205 SmtUtils]: Spent 1.94 s on a formula simplification. DAG size of input: 124 DAG size of output: 122 [2021-04-28 15:02:02,306 WARN L205 SmtUtils]: Spent 821.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2021-04-28 15:02:04,164 WARN L205 SmtUtils]: Spent 1.85 s on a formula simplification. DAG size of input: 119 DAG size of output: 117 [2021-04-28 15:02:05,022 WARN L205 SmtUtils]: Spent 854.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2021-04-28 15:02:06,801 WARN L205 SmtUtils]: Spent 1.78 s on a formula simplification. DAG size of input: 117 DAG size of output: 115 [2021-04-28 15:02:07,633 WARN L205 SmtUtils]: Spent 829.00 ms on a formula simplification that was a NOOP. DAG size: 107 [2021-04-28 15:02:09,429 WARN L205 SmtUtils]: Spent 1.79 s on a formula simplification. DAG size of input: 124 DAG size of output: 122 [2021-04-28 15:02:10,318 WARN L205 SmtUtils]: Spent 885.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2021-04-28 15:02:12,811 WARN L205 SmtUtils]: Spent 2.49 s on a formula simplification. DAG size of input: 127 DAG size of output: 125 [2021-04-28 15:02:13,963 WARN L205 SmtUtils]: Spent 1.15 s on a formula simplification that was a NOOP. DAG size: 117 [2021-04-28 15:02:15,462 WARN L205 SmtUtils]: Spent 1.50 s on a formula simplification. DAG size of input: 107 DAG size of output: 105 [2021-04-28 15:02:16,103 WARN L205 SmtUtils]: Spent 638.00 ms on a formula simplification that was a NOOP. DAG size: 101 [2021-04-28 15:02:17,629 WARN L205 SmtUtils]: Spent 1.52 s on a formula simplification. DAG size of input: 107 DAG size of output: 105 [2021-04-28 15:02:18,308 WARN L205 SmtUtils]: Spent 675.00 ms on a formula simplification that was a NOOP. DAG size: 101 [2021-04-28 15:02:20,421 WARN L205 SmtUtils]: Spent 2.11 s on a formula simplification. DAG size of input: 119 DAG size of output: 117 [2021-04-28 15:02:21,223 WARN L205 SmtUtils]: Spent 799.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2021-04-28 15:02:22,934 WARN L205 SmtUtils]: Spent 1.71 s on a formula simplification. DAG size of input: 117 DAG size of output: 115 [2021-04-28 15:02:23,700 WARN L205 SmtUtils]: Spent 762.00 ms on a formula simplification that was a NOOP. DAG size: 107 [2021-04-28 15:02:25,405 WARN L205 SmtUtils]: Spent 1.70 s on a formula simplification. DAG size of input: 116 DAG size of output: 114 [2021-04-28 15:02:26,150 WARN L205 SmtUtils]: Spent 741.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2021-04-28 15:02:27,861 WARN L205 SmtUtils]: Spent 1.71 s on a formula simplification. DAG size of input: 119 DAG size of output: 117 [2021-04-28 15:02:28,724 WARN L205 SmtUtils]: Spent 861.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2021-04-28 15:02:30,433 WARN L205 SmtUtils]: Spent 1.71 s on a formula simplification. DAG size of input: 116 DAG size of output: 114 [2021-04-28 15:02:31,196 WARN L205 SmtUtils]: Spent 759.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2021-04-28 15:02:32,935 WARN L205 SmtUtils]: Spent 1.74 s on a formula simplification. DAG size of input: 119 DAG size of output: 117 [2021-04-28 15:02:33,696 WARN L205 SmtUtils]: Spent 757.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2021-04-28 15:02:35,469 WARN L205 SmtUtils]: Spent 1.74 s on a formula simplification. DAG size of input: 118 DAG size of output: 116 [2021-04-28 15:02:36,238 WARN L205 SmtUtils]: Spent 765.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2021-04-28 15:02:39,042 WARN L205 SmtUtils]: Spent 2.80 s on a formula simplification. DAG size of input: 124 DAG size of output: 122 [2021-04-28 15:02:40,303 WARN L205 SmtUtils]: Spent 1.26 s on a formula simplification that was a NOOP. DAG size: 114 [2021-04-28 15:02:40,386 INFO L158 LiptonReduction]: Checked pairs total: 3354 [2021-04-28 15:02:40,387 INFO L160 LiptonReduction]: Total number of compositions: 195 [2021-04-28 15:02:40,389 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 182507 [2021-04-28 15:02:40,406 INFO L129 PetriNetUnfolder]: 1/65 cut-off events. [2021-04-28 15:02:40,406 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 15:02:40,406 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 15:02:40,407 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1] [2021-04-28 15:02:40,407 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 15:02:40,408 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 15:02:40,408 INFO L82 PathProgramCache]: Analyzing trace with hash 40825090, now seen corresponding path program 1 times [2021-04-28 15:02:40,408 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 15:02:40,408 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1024016718] [2021-04-28 15:02:40,409 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 15:02:40,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 15:02:40,434 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:02:40,438 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-28 15:02:40,475 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:02:40,479 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 15:02:40,479 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 15:02:40,480 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1024016718] [2021-04-28 15:02:40,480 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 15:02:40,480 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-04-28 15:02:40,480 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [420193367] [2021-04-28 15:02:40,481 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-04-28 15:02:40,481 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 15:02:40,482 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-04-28 15:02:40,482 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-04-28 15:02:40,484 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 143 out of 302 [2021-04-28 15:02:40,485 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 116 places, 112 transitions, 268 flow. Second operand has 3 states, 3 states have (on average 144.33333333333334) internal successors, (433), 3 states have internal predecessors, (433), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 15:02:40,486 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 15:02:40,486 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 143 of 302 [2021-04-28 15:02:40,486 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 15:02:41,532 INFO L129 PetriNetUnfolder]: 36/604 cut-off events. [2021-04-28 15:02:41,533 INFO L130 PetriNetUnfolder]: For 52/52 co-relation queries the response was YES. [2021-04-28 15:02:41,535 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1145 conditions, 604 events. 36/604 cut-off events. For 52/52 co-relation queries the response was YES. Maximal size of possible extension queue 65. Compared 4059 event pairs, 6 based on Foata normal form. 0/144 useless extension candidates. Maximal degree in co-relation 632. Up to 477 conditions per place. [2021-04-28 15:02:41,538 INFO L132 encePairwiseOnDemand]: 294/302 looper letters, 13 selfloop transitions, 2 changer transitions 79/119 dead transitions. [2021-04-28 15:02:41,539 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 115 places, 119 transitions, 442 flow [2021-04-28 15:02:41,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-28 15:02:41,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-04-28 15:02:41,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 506 transitions. [2021-04-28 15:02:41,546 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5584988962472406 [2021-04-28 15:02:41,546 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 506 transitions. [2021-04-28 15:02:41,547 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 506 transitions. [2021-04-28 15:02:41,547 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 15:02:41,548 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 506 transitions. [2021-04-28 15:02:41,550 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 168.66666666666666) internal successors, (506), 3 states have internal predecessors, (506), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 15:02:41,553 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 302.0) internal successors, (1208), 4 states have internal predecessors, (1208), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 15:02:41,554 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 302.0) internal successors, (1208), 4 states have internal predecessors, (1208), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 15:02:41,555 INFO L185 Difference]: Start difference. First operand has 116 places, 112 transitions, 268 flow. Second operand 3 states and 506 transitions. [2021-04-28 15:02:41,555 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 115 places, 119 transitions, 442 flow [2021-04-28 15:02:41,558 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 115 places, 119 transitions, 442 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-04-28 15:02:41,561 INFO L241 Difference]: Finished difference. Result has 116 places, 38 transitions, 130 flow [2021-04-28 15:02:41,561 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=302, PETRI_DIFFERENCE_MINUEND_FLOW=262, PETRI_DIFFERENCE_MINUEND_PLACES=113, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=109, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=107, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=130, PETRI_PLACES=116, PETRI_TRANSITIONS=38} [2021-04-28 15:02:41,562 INFO L343 CegarLoopForPetriNet]: 116 programPoint places, 0 predicate places. [2021-04-28 15:02:41,562 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 15:02:41,562 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 116 places, 38 transitions, 130 flow [2021-04-28 15:02:41,563 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 116 places, 38 transitions, 130 flow [2021-04-28 15:02:41,563 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 44 places, 38 transitions, 130 flow [2021-04-28 15:02:41,587 INFO L129 PetriNetUnfolder]: 36/172 cut-off events. [2021-04-28 15:02:41,588 INFO L130 PetriNetUnfolder]: For 48/48 co-relation queries the response was YES. [2021-04-28 15:02:41,589 INFO L84 FinitePrefix]: Finished finitePrefix Result has 239 conditions, 172 events. 36/172 cut-off events. For 48/48 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 506 event pairs, 6 based on Foata normal form. 0/128 useless extension candidates. Maximal degree in co-relation 221. Up to 32 conditions per place. [2021-04-28 15:02:41,593 INFO L146 LiptonReduction]: Number of co-enabled transitions 728 [2021-04-28 15:02:43,870 INFO L158 LiptonReduction]: Checked pairs total: 128 [2021-04-28 15:02:43,870 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 15:02:43,871 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2309 [2021-04-28 15:02:43,875 INFO L480 AbstractCegarLoop]: Abstraction has has 44 places, 38 transitions, 130 flow [2021-04-28 15:02:43,875 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 144.33333333333334) internal successors, (433), 3 states have internal predecessors, (433), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 15:02:43,876 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 15:02:43,876 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 15:02:43,876 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-04-28 15:02:43,876 INFO L428 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 15:02:43,877 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 15:02:43,877 INFO L82 PathProgramCache]: Analyzing trace with hash 946132954, now seen corresponding path program 1 times [2021-04-28 15:02:43,877 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 15:02:43,877 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1929175424] [2021-04-28 15:02:43,877 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 15:02:43,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 15:02:43,941 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:02:43,944 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 15:02:43,960 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:02:43,963 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-28 15:02:44,005 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:02:44,008 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 15:02:44,009 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-04-28 15:02:44,009 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1929175424] [2021-04-28 15:02:44,009 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 15:02:44,010 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-04-28 15:02:44,010 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1827518495] [2021-04-28 15:02:44,011 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-04-28 15:02:44,011 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 15:02:44,011 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-04-28 15:02:44,012 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-04-28 15:02:44,014 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 143 out of 302 [2021-04-28 15:02:44,015 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 44 places, 38 transitions, 130 flow. Second operand has 4 states, 4 states have (on average 144.75) internal successors, (579), 4 states have internal predecessors, (579), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 15:02:44,016 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 15:02:44,016 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 143 of 302 [2021-04-28 15:02:44,016 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 15:02:44,225 INFO L129 PetriNetUnfolder]: 38/202 cut-off events. [2021-04-28 15:02:44,225 INFO L130 PetriNetUnfolder]: For 62/62 co-relation queries the response was YES. [2021-04-28 15:02:44,227 INFO L84 FinitePrefix]: Finished finitePrefix Result has 415 conditions, 202 events. 38/202 cut-off events. For 62/62 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 707 event pairs, 12 based on Foata normal form. 0/160 useless extension candidates. Maximal degree in co-relation 392. Up to 109 conditions per place. [2021-04-28 15:02:44,229 INFO L132 encePairwiseOnDemand]: 295/302 looper letters, 13 selfloop transitions, 6 changer transitions 0/44 dead transitions. [2021-04-28 15:02:44,229 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 47 places, 44 transitions, 180 flow [2021-04-28 15:02:44,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-04-28 15:02:44,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-04-28 15:02:44,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 593 transitions. [2021-04-28 15:02:44,242 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4908940397350993 [2021-04-28 15:02:44,242 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 593 transitions. [2021-04-28 15:02:44,242 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 593 transitions. [2021-04-28 15:02:44,243 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 15:02:44,244 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 593 transitions. [2021-04-28 15:02:44,246 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 148.25) internal successors, (593), 4 states have internal predecessors, (593), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 15:02:44,250 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 302.0) internal successors, (1510), 5 states have internal predecessors, (1510), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 15:02:44,252 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 302.0) internal successors, (1510), 5 states have internal predecessors, (1510), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 15:02:44,252 INFO L185 Difference]: Start difference. First operand has 44 places, 38 transitions, 130 flow. Second operand 4 states and 593 transitions. [2021-04-28 15:02:44,252 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 47 places, 44 transitions, 180 flow [2021-04-28 15:02:44,254 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 46 places, 44 transitions, 178 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-04-28 15:02:44,256 INFO L241 Difference]: Finished difference. Result has 47 places, 40 transitions, 156 flow [2021-04-28 15:02:44,257 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=302, PETRI_DIFFERENCE_MINUEND_FLOW=128, PETRI_DIFFERENCE_MINUEND_PLACES=43, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=38, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=32, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=156, PETRI_PLACES=47, PETRI_TRANSITIONS=40} [2021-04-28 15:02:44,258 INFO L343 CegarLoopForPetriNet]: 116 programPoint places, -69 predicate places. [2021-04-28 15:02:44,258 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 15:02:44,258 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 47 places, 40 transitions, 156 flow [2021-04-28 15:02:44,259 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 47 places, 40 transitions, 156 flow [2021-04-28 15:02:44,259 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 47 places, 40 transitions, 156 flow [2021-04-28 15:02:44,292 INFO L129 PetriNetUnfolder]: 38/202 cut-off events. [2021-04-28 15:02:44,292 INFO L130 PetriNetUnfolder]: For 58/58 co-relation queries the response was YES. [2021-04-28 15:02:44,294 INFO L84 FinitePrefix]: Finished finitePrefix Result has 388 conditions, 202 events. 38/202 cut-off events. For 58/58 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 708 event pairs, 12 based on Foata normal form. 0/175 useless extension candidates. Maximal degree in co-relation 207. Up to 68 conditions per place. [2021-04-28 15:02:44,298 INFO L146 LiptonReduction]: Number of co-enabled transitions 792 [2021-04-28 15:02:44,302 INFO L158 LiptonReduction]: Checked pairs total: 128 [2021-04-28 15:02:44,303 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 15:02:44,303 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 45 [2021-04-28 15:02:44,305 INFO L480 AbstractCegarLoop]: Abstraction has has 47 places, 40 transitions, 156 flow [2021-04-28 15:02:44,306 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 144.75) internal successors, (579), 4 states have internal predecessors, (579), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 15:02:44,306 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 15:02:44,306 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 15:02:44,306 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-04-28 15:02:44,307 INFO L428 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 15:02:44,307 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 15:02:44,307 INFO L82 PathProgramCache]: Analyzing trace with hash 313135811, now seen corresponding path program 1 times [2021-04-28 15:02:44,308 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 15:02:44,308 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [590278965] [2021-04-28 15:02:44,308 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 15:02:44,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 15:02:44,349 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:02:44,352 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-28 15:02:44,391 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:02:44,394 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-28 15:02:44,421 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:02:44,424 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 15:02:44,425 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-04-28 15:02:44,425 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [590278965] [2021-04-28 15:02:44,425 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [104923097] [2021-04-28 15:02:44,426 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-28 15:02:44,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 15:02:44,527 INFO L263 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 4 conjunts are in the unsatisfiable core [2021-04-28 15:02:44,529 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-04-28 15:02:44,532 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:02:44,535 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-28 15:02:44,539 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:02:44,541 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-28 15:02:44,545 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:02:44,548 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-28 15:02:44,552 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:02:44,554 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-28 15:02:44,602 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:02:44,605 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-28 15:02:44,608 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:02:44,612 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-28 15:02:44,615 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:02:44,638 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-28 15:02:44,642 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:02:44,645 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-28 15:02:44,647 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:02:44,649 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-28 15:02:44,651 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:02:44,657 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-28 15:02:44,662 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:02:44,666 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-28 15:02:44,669 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:02:44,672 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-28 15:02:44,678 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:02:44,681 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-28 15:02:44,684 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:02:44,687 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-28 15:02:44,690 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:02:44,693 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-28 15:02:44,696 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:02:44,702 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-28 15:02:44,705 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:02:44,708 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-28 15:02:44,711 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:02:44,714 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-28 15:02:44,717 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:02:44,720 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-28 15:02:44,724 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:02:44,727 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-28 15:02:44,733 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:02:44,735 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-28 15:02:44,739 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:02:44,741 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-28 15:02:44,745 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-28 15:02:44,748 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:02:44,749 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-28 15:02:44,752 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:02:44,756 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-28 15:02:44,762 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-28 15:02:44,766 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:02:44,773 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-28 15:02:44,777 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:02:44,780 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-28 15:02:44,836 INFO L142 QuantifierPusher]: treesize reduction 1, result has 91.7 percent of original size [2021-04-28 15:02:44,840 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-28 15:02:44,843 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:02:44,847 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-28 15:02:44,851 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-28 15:02:44,855 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:02:44,858 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-28 15:02:44,867 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:02:44,869 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-28 15:02:44,873 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:02:44,876 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-28 15:02:44,880 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-28 15:02:44,883 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-28 15:02:44,887 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:02:44,894 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 15:02:44,896 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:02:44,898 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 15:02:44,901 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:02:44,904 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 15:02:44,906 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:02:44,908 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 15:02:44,909 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:02:44,911 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 15:02:44,913 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:02:44,916 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 15:02:44,919 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:02:44,922 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 15:02:44,925 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:02:44,928 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 15:02:44,931 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:02:44,933 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 15:02:44,936 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:02:44,939 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 15:02:44,942 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:02:44,944 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 15:02:44,947 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:02:44,949 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 15:02:44,952 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:02:44,954 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 15:02:44,957 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:02:44,959 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 15:02:44,962 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:02:44,965 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 15:02:44,967 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:02:44,970 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 15:02:44,972 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:02:44,974 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 15:02:44,977 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:02:44,979 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 15:02:44,985 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:02:44,988 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 15:02:44,990 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:02:44,992 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 15:02:44,994 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:02:44,997 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 15:02:44,999 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:02:45,002 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 15:02:45,004 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:02:45,007 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 15:02:45,008 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-04-28 15:02:45,008 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-04-28 15:02:45,008 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 5 [2021-04-28 15:02:45,008 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [588199192] [2021-04-28 15:02:45,009 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-04-28 15:02:45,009 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 15:02:45,009 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-04-28 15:02:45,010 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-04-28 15:02:45,012 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 143 out of 302 [2021-04-28 15:02:45,014 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 47 places, 40 transitions, 156 flow. Second operand has 6 states, 6 states have (on average 145.66666666666666) internal successors, (874), 6 states have internal predecessors, (874), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 15:02:45,014 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 15:02:45,014 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 143 of 302 [2021-04-28 15:02:45,014 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 15:02:45,248 INFO L129 PetriNetUnfolder]: 37/197 cut-off events. [2021-04-28 15:02:45,249 INFO L130 PetriNetUnfolder]: For 86/86 co-relation queries the response was YES. [2021-04-28 15:02:45,250 INFO L84 FinitePrefix]: Finished finitePrefix Result has 514 conditions, 197 events. 37/197 cut-off events. For 86/86 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 700 event pairs, 12 based on Foata normal form. 1/171 useless extension candidates. Maximal degree in co-relation 276. Up to 130 conditions per place. [2021-04-28 15:02:45,252 INFO L132 encePairwiseOnDemand]: 299/302 looper letters, 17 selfloop transitions, 3 changer transitions 0/45 dead transitions. [2021-04-28 15:02:45,252 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 50 places, 45 transitions, 208 flow [2021-04-28 15:02:45,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-04-28 15:02:45,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-04-28 15:02:45,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 591 transitions. [2021-04-28 15:02:45,261 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.48923841059602646 [2021-04-28 15:02:45,261 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 591 transitions. [2021-04-28 15:02:45,261 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 591 transitions. [2021-04-28 15:02:45,262 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 15:02:45,263 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 591 transitions. [2021-04-28 15:02:45,266 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 147.75) internal successors, (591), 4 states have internal predecessors, (591), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 15:02:45,270 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 302.0) internal successors, (1510), 5 states have internal predecessors, (1510), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 15:02:45,272 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 302.0) internal successors, (1510), 5 states have internal predecessors, (1510), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 15:02:45,272 INFO L185 Difference]: Start difference. First operand has 47 places, 40 transitions, 156 flow. Second operand 4 states and 591 transitions. [2021-04-28 15:02:45,272 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 50 places, 45 transitions, 208 flow [2021-04-28 15:02:45,274 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 49 places, 45 transitions, 207 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-04-28 15:02:45,276 INFO L241 Difference]: Finished difference. Result has 50 places, 41 transitions, 171 flow [2021-04-28 15:02:45,277 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=302, PETRI_DIFFERENCE_MINUEND_FLOW=155, PETRI_DIFFERENCE_MINUEND_PLACES=46, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=40, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=37, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=171, PETRI_PLACES=50, PETRI_TRANSITIONS=41} [2021-04-28 15:02:45,277 INFO L343 CegarLoopForPetriNet]: 116 programPoint places, -66 predicate places. [2021-04-28 15:02:45,277 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 15:02:45,278 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 50 places, 41 transitions, 171 flow [2021-04-28 15:02:45,278 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 50 places, 41 transitions, 171 flow [2021-04-28 15:02:45,279 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 50 places, 41 transitions, 171 flow [2021-04-28 15:02:45,307 INFO L129 PetriNetUnfolder]: 37/197 cut-off events. [2021-04-28 15:02:45,308 INFO L130 PetriNetUnfolder]: For 65/65 co-relation queries the response was YES. [2021-04-28 15:02:45,309 INFO L84 FinitePrefix]: Finished finitePrefix Result has 388 conditions, 197 events. 37/197 cut-off events. For 65/65 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 706 event pairs, 12 based on Foata normal form. 0/170 useless extension candidates. Maximal degree in co-relation 353. Up to 67 conditions per place. [2021-04-28 15:02:45,314 INFO L146 LiptonReduction]: Number of co-enabled transitions 808 [2021-04-28 15:02:45,316 INFO L158 LiptonReduction]: Checked pairs total: 128 [2021-04-28 15:02:45,317 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 15:02:45,317 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 40 [2021-04-28 15:02:45,319 INFO L480 AbstractCegarLoop]: Abstraction has has 50 places, 41 transitions, 171 flow [2021-04-28 15:02:45,320 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 145.66666666666666) internal successors, (874), 6 states have internal predecessors, (874), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 15:02:45,320 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 15:02:45,320 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 15:02:45,534 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2021-04-28 15:02:45,535 INFO L428 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 15:02:45,536 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 15:02:45,536 INFO L82 PathProgramCache]: Analyzing trace with hash -319637340, now seen corresponding path program 1 times [2021-04-28 15:02:45,536 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 15:02:45,536 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [284345406] [2021-04-28 15:02:45,537 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 15:02:45,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 15:02:45,588 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:02:45,590 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-28 15:02:45,627 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:02:45,630 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-28 15:02:45,657 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:02:45,659 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-28 15:02:45,689 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:02:45,692 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 15:02:45,694 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-04-28 15:02:45,694 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [284345406] [2021-04-28 15:02:45,695 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1796039788] [2021-04-28 15:02:45,695 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 [2021-04-28 15:02:45,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 15:02:45,789 INFO L263 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 5 conjunts are in the unsatisfiable core [2021-04-28 15:02:45,791 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-04-28 15:02:45,793 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:02:45,796 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-28 15:02:45,799 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:02:45,802 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-28 15:02:45,805 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:02:45,808 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-28 15:02:45,811 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:02:45,813 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-28 15:02:45,865 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:02:45,868 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-28 15:02:45,871 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:02:45,874 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-28 15:02:45,878 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:02:45,881 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-28 15:02:45,884 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:02:45,888 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-28 15:02:45,891 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:02:45,894 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-28 15:02:45,897 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:02:45,900 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-28 15:02:45,902 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:02:45,904 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-28 15:02:45,905 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:02:45,908 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-28 15:02:45,911 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:02:45,915 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-28 15:02:45,918 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:02:45,921 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-28 15:02:45,925 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:02:45,928 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-28 15:02:45,931 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:02:45,935 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-28 15:02:45,938 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:02:45,942 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-28 15:02:45,945 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:02:45,949 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-28 15:02:45,952 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:02:45,955 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-28 15:02:45,958 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:02:45,961 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-28 15:02:45,965 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:02:45,967 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-28 15:02:45,970 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:02:45,973 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-28 15:02:45,977 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-28 15:02:45,981 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:02:45,982 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-28 15:02:45,985 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:02:45,989 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-28 15:02:45,992 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-28 15:02:45,996 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:02:46,000 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-28 15:02:46,003 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:02:46,006 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-28 15:02:46,065 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:02:46,068 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-28 15:02:46,071 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:02:46,073 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-28 15:02:46,074 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:02:46,076 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-28 15:02:46,079 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:02:46,082 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-28 15:02:46,085 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:02:46,088 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-28 15:02:46,091 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:02:46,094 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-28 15:02:46,098 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:02:46,100 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-28 15:02:46,103 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:02:46,106 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-28 15:02:46,110 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:02:46,113 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-28 15:02:46,116 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:02:46,118 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-28 15:02:46,121 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:02:46,123 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-28 15:02:46,126 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:02:46,128 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-28 15:02:46,131 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:02:46,134 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-28 15:02:46,137 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:02:46,140 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-28 15:02:46,143 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:02:46,146 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-28 15:02:46,149 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:02:46,152 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-28 15:02:46,155 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:02:46,157 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-28 15:02:46,160 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:02:46,163 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-28 15:02:46,164 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:02:46,166 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-28 15:02:46,167 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:02:46,169 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-28 15:02:46,172 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:02:46,173 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-28 15:02:46,176 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:02:46,178 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-28 15:02:46,181 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-28 15:02:46,184 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:02:46,185 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-28 15:02:46,189 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:02:46,192 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-28 15:02:46,195 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-28 15:02:46,198 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:02:46,201 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-28 15:02:46,204 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:02:46,206 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-28 15:02:46,256 INFO L142 QuantifierPusher]: treesize reduction 1, result has 91.7 percent of original size [2021-04-28 15:02:46,258 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-28 15:02:46,261 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:02:46,264 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-28 15:02:46,267 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-28 15:02:46,270 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:02:46,272 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-28 15:02:46,275 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:02:46,277 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-28 15:02:46,280 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:02:46,282 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-28 15:02:46,286 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-28 15:02:46,288 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-28 15:02:46,292 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:02:46,297 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 15:02:46,300 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:02:46,301 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 15:02:46,304 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:02:46,307 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 15:02:46,310 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:02:46,312 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 15:02:46,315 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:02:46,317 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 15:02:46,320 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:02:46,323 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 15:02:46,326 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:02:46,328 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 15:02:46,330 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:02:46,333 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 15:02:46,336 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:02:46,338 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 15:02:46,340 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:02:46,341 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 15:02:46,342 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:02:46,344 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 15:02:46,345 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:02:46,347 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 15:02:46,349 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:02:46,352 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 15:02:46,354 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:02:46,357 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 15:02:46,359 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:02:46,362 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 15:02:46,364 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:02:46,367 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 15:02:46,370 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:02:46,372 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 15:02:46,375 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:02:46,378 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 15:02:46,381 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:02:46,383 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 15:02:46,386 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:02:46,389 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 15:02:46,390 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-04-28 15:02:46,390 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-04-28 15:02:46,390 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 7 [2021-04-28 15:02:46,390 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [402427591] [2021-04-28 15:02:46,391 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-04-28 15:02:46,391 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 15:02:46,392 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-04-28 15:02:46,392 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=29, Unknown=0, NotChecked=0, Total=56 [2021-04-28 15:02:46,394 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 143 out of 302 [2021-04-28 15:02:46,396 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 50 places, 41 transitions, 171 flow. Second operand has 8 states, 8 states have (on average 145.75) internal successors, (1166), 8 states have internal predecessors, (1166), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 15:02:46,397 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 15:02:46,397 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 143 of 302 [2021-04-28 15:02:46,397 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 15:02:46,651 INFO L129 PetriNetUnfolder]: 35/190 cut-off events. [2021-04-28 15:02:46,652 INFO L130 PetriNetUnfolder]: For 95/95 co-relation queries the response was YES. [2021-04-28 15:02:46,653 INFO L84 FinitePrefix]: Finished finitePrefix Result has 503 conditions, 190 events. 35/190 cut-off events. For 95/95 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 685 event pairs, 13 based on Foata normal form. 1/164 useless extension candidates. Maximal degree in co-relation 460. Up to 122 conditions per place. [2021-04-28 15:02:46,655 INFO L132 encePairwiseOnDemand]: 299/302 looper letters, 19 selfloop transitions, 4 changer transitions 0/48 dead transitions. [2021-04-28 15:02:46,655 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 54 places, 48 transitions, 235 flow [2021-04-28 15:02:46,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-04-28 15:02:46,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-04-28 15:02:46,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 737 transitions. [2021-04-28 15:02:46,665 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4880794701986755 [2021-04-28 15:02:46,665 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 737 transitions. [2021-04-28 15:02:46,665 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 737 transitions. [2021-04-28 15:02:46,666 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 15:02:46,666 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 737 transitions. [2021-04-28 15:02:46,668 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 147.4) internal successors, (737), 5 states have internal predecessors, (737), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 15:02:46,672 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 302.0) internal successors, (1812), 6 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) [2021-04-28 15:02:46,674 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 302.0) internal successors, (1812), 6 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) [2021-04-28 15:02:46,674 INFO L185 Difference]: Start difference. First operand has 50 places, 41 transitions, 171 flow. Second operand 5 states and 737 transitions. [2021-04-28 15:02:46,674 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 54 places, 48 transitions, 235 flow [2021-04-28 15:02:46,676 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 52 places, 48 transitions, 229 flow, removed 1 selfloop flow, removed 2 redundant places. [2021-04-28 15:02:46,679 INFO L241 Difference]: Finished difference. Result has 53 places, 42 transitions, 185 flow [2021-04-28 15:02:46,680 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=302, PETRI_DIFFERENCE_MINUEND_FLOW=165, PETRI_DIFFERENCE_MINUEND_PLACES=48, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=41, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=37, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=185, PETRI_PLACES=53, PETRI_TRANSITIONS=42} [2021-04-28 15:02:46,680 INFO L343 CegarLoopForPetriNet]: 116 programPoint places, -63 predicate places. [2021-04-28 15:02:46,680 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 15:02:46,680 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 53 places, 42 transitions, 185 flow [2021-04-28 15:02:46,681 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 53 places, 42 transitions, 185 flow [2021-04-28 15:02:46,682 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 53 places, 42 transitions, 185 flow [2021-04-28 15:02:46,715 INFO L129 PetriNetUnfolder]: 35/190 cut-off events. [2021-04-28 15:02:46,716 INFO L130 PetriNetUnfolder]: For 68/68 co-relation queries the response was YES. [2021-04-28 15:02:46,716 INFO L84 FinitePrefix]: Finished finitePrefix Result has 378 conditions, 190 events. 35/190 cut-off events. For 68/68 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 697 event pairs, 13 based on Foata normal form. 0/163 useless extension candidates. Maximal degree in co-relation 329. Up to 65 conditions per place. [2021-04-28 15:02:46,722 INFO L146 LiptonReduction]: Number of co-enabled transitions 832 [2021-04-28 15:02:48,825 INFO L158 LiptonReduction]: Checked pairs total: 128 [2021-04-28 15:02:48,826 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 15:02:48,826 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2146 [2021-04-28 15:02:48,827 INFO L480 AbstractCegarLoop]: Abstraction has has 53 places, 42 transitions, 185 flow [2021-04-28 15:02:48,828 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 145.75) internal successors, (1166), 8 states have internal predecessors, (1166), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 15:02:48,828 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 15:02:48,829 INFO L263 CegarLoopForPetriNet]: trace histogram [5, 5, 4, 4, 1, 1, 1, 1, 1, 1] [2021-04-28 15:02:49,035 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-28 15:02:49,036 INFO L428 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 15:02:49,037 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 15:02:49,038 INFO L82 PathProgramCache]: Analyzing trace with hash -1535633761, now seen corresponding path program 1 times [2021-04-28 15:02:49,038 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 15:02:49,038 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [182934829] [2021-04-28 15:02:49,039 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 15:02:49,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-04-28 15:02:49,066 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-04-28 15:02:49,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-04-28 15:02:49,094 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-04-28 15:02:49,107 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-04-28 15:02:49,108 INFO L634 BasicCegarLoop]: Counterexample might be feasible [2021-04-28 15:02:49,108 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-04-28 15:02:49,108 WARN L342 ceAbstractionStarter]: 4 thread instances were not sufficient, I will increase this number and restart the analysis [2021-04-28 15:02:49,109 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 5 thread instances. [2021-04-28 15:02:49,119 WARN L313 ript$VariableManager]: TermVariabe |threadThread1of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:02:49,119 WARN L313 ript$VariableManager]: TermVariabe |threadThread1of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:02:49,119 WARN L313 ript$VariableManager]: TermVariabe threadThread1of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:02:49,119 WARN L313 ript$VariableManager]: TermVariabe threadThread1of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:02:49,120 WARN L313 ript$VariableManager]: TermVariabe |threadThread1of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:02:49,120 WARN L313 ript$VariableManager]: TermVariabe |threadThread1of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:02:49,120 WARN L313 ript$VariableManager]: TermVariabe threadThread1of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:02:49,120 WARN L313 ript$VariableManager]: TermVariabe threadThread1of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:02:49,120 WARN L313 ript$VariableManager]: TermVariabe |threadThread1of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:02:49,120 WARN L313 ript$VariableManager]: TermVariabe |threadThread1of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:02:49,120 WARN L313 ript$VariableManager]: TermVariabe |threadThread1of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:02:49,121 WARN L313 ript$VariableManager]: TermVariabe |threadThread1of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:02:49,121 WARN L313 ript$VariableManager]: TermVariabe |threadThread2of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:02:49,121 WARN L313 ript$VariableManager]: TermVariabe |threadThread2of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:02:49,121 WARN L313 ript$VariableManager]: TermVariabe threadThread2of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:02:49,121 WARN L313 ript$VariableManager]: TermVariabe threadThread2of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:02:49,121 WARN L313 ript$VariableManager]: TermVariabe |threadThread2of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:02:49,122 WARN L313 ript$VariableManager]: TermVariabe |threadThread2of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:02:49,122 WARN L313 ript$VariableManager]: TermVariabe threadThread2of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:02:49,122 WARN L313 ript$VariableManager]: TermVariabe threadThread2of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:02:49,122 WARN L313 ript$VariableManager]: TermVariabe |threadThread2of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:02:49,122 WARN L313 ript$VariableManager]: TermVariabe |threadThread2of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:02:49,122 WARN L313 ript$VariableManager]: TermVariabe |threadThread2of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:02:49,122 WARN L313 ript$VariableManager]: TermVariabe |threadThread2of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:02:49,123 WARN L313 ript$VariableManager]: TermVariabe |threadThread3of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:02:49,123 WARN L313 ript$VariableManager]: TermVariabe |threadThread3of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:02:49,123 WARN L313 ript$VariableManager]: TermVariabe threadThread3of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:02:49,123 WARN L313 ript$VariableManager]: TermVariabe threadThread3of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:02:49,123 WARN L313 ript$VariableManager]: TermVariabe |threadThread3of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:02:49,123 WARN L313 ript$VariableManager]: TermVariabe |threadThread3of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:02:49,123 WARN L313 ript$VariableManager]: TermVariabe threadThread3of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:02:49,123 WARN L313 ript$VariableManager]: TermVariabe threadThread3of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:02:49,124 WARN L313 ript$VariableManager]: TermVariabe |threadThread3of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:02:49,124 WARN L313 ript$VariableManager]: TermVariabe |threadThread3of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:02:49,124 WARN L313 ript$VariableManager]: TermVariabe |threadThread3of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:02:49,124 WARN L313 ript$VariableManager]: TermVariabe |threadThread3of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:02:49,124 WARN L313 ript$VariableManager]: TermVariabe |threadThread5of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:02:49,124 WARN L313 ript$VariableManager]: TermVariabe |threadThread5of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:02:49,124 WARN L313 ript$VariableManager]: TermVariabe threadThread5of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:02:49,125 WARN L313 ript$VariableManager]: TermVariabe threadThread5of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:02:49,125 WARN L313 ript$VariableManager]: TermVariabe |threadThread5of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:02:49,125 WARN L313 ript$VariableManager]: TermVariabe |threadThread5of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:02:49,125 WARN L313 ript$VariableManager]: TermVariabe threadThread5of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:02:49,125 WARN L313 ript$VariableManager]: TermVariabe threadThread5of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:02:49,125 WARN L313 ript$VariableManager]: TermVariabe |threadThread5of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:02:49,125 WARN L313 ript$VariableManager]: TermVariabe |threadThread5of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:02:49,126 WARN L313 ript$VariableManager]: TermVariabe |threadThread5of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:02:49,126 WARN L313 ript$VariableManager]: TermVariabe |threadThread5of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:02:49,126 WARN L313 ript$VariableManager]: TermVariabe |threadThread4of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:02:49,126 WARN L313 ript$VariableManager]: TermVariabe |threadThread4of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:02:49,126 WARN L313 ript$VariableManager]: TermVariabe threadThread4of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:02:49,126 WARN L313 ript$VariableManager]: TermVariabe threadThread4of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:02:49,126 WARN L313 ript$VariableManager]: TermVariabe |threadThread4of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:02:49,127 WARN L313 ript$VariableManager]: TermVariabe |threadThread4of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:02:49,127 WARN L313 ript$VariableManager]: TermVariabe threadThread4of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:02:49,127 WARN L313 ript$VariableManager]: TermVariabe threadThread4of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:02:49,127 WARN L313 ript$VariableManager]: TermVariabe |threadThread4of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:02:49,127 WARN L313 ript$VariableManager]: TermVariabe |threadThread4of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:02:49,127 WARN L313 ript$VariableManager]: TermVariabe |threadThread4of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:02:49,127 WARN L313 ript$VariableManager]: TermVariabe |threadThread4of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:02:49,128 WARN L313 ript$VariableManager]: TermVariabe |threadThread1of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:02:49,128 WARN L313 ript$VariableManager]: TermVariabe threadThread1of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:02:49,128 WARN L313 ript$VariableManager]: TermVariabe |threadThread1of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:02:49,129 WARN L313 ript$VariableManager]: TermVariabe threadThread1of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:02:49,181 WARN L313 ript$VariableManager]: TermVariabe |threadThread2of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:02:49,182 WARN L313 ript$VariableManager]: TermVariabe threadThread2of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:02:49,182 WARN L313 ript$VariableManager]: TermVariabe |threadThread2of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:02:49,182 WARN L313 ript$VariableManager]: TermVariabe threadThread2of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:02:49,186 WARN L313 ript$VariableManager]: TermVariabe threadThread3of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:02:49,186 WARN L313 ript$VariableManager]: TermVariabe |threadThread3of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:02:49,186 WARN L313 ript$VariableManager]: TermVariabe threadThread3of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:02:49,186 WARN L313 ript$VariableManager]: TermVariabe |threadThread3of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:02:49,190 WARN L313 ript$VariableManager]: TermVariabe threadThread4of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:02:49,191 WARN L313 ript$VariableManager]: TermVariabe |threadThread4of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:02:49,191 WARN L313 ript$VariableManager]: TermVariabe threadThread4of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:02:49,191 WARN L313 ript$VariableManager]: TermVariabe |threadThread4of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:02:49,194 WARN L313 ript$VariableManager]: TermVariabe |threadThread5of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:02:49,194 WARN L313 ript$VariableManager]: TermVariabe threadThread5of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:02:49,195 WARN L313 ript$VariableManager]: TermVariabe |threadThread5of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:02:49,195 WARN L313 ript$VariableManager]: TermVariabe threadThread5of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:02:49,213 INFO L149 ThreadInstanceAdder]: Constructed 5 joinOtherThreadTransitions. [2021-04-28 15:02:49,214 INFO L253 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2021-04-28 15:02:49,215 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-04-28 15:02:49,215 INFO L377 AbstractCegarLoop]: Hoare is false [2021-04-28 15:02:49,215 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-04-28 15:02:49,215 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-04-28 15:02:49,215 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-04-28 15:02:49,215 INFO L381 AbstractCegarLoop]: Difference is false [2021-04-28 15:02:49,215 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-04-28 15:02:49,215 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-04-28 15:02:49,217 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 112 places, 113 transitions, 286 flow [2021-04-28 15:02:49,505 INFO L129 PetriNetUnfolder]: 190/1302 cut-off events. [2021-04-28 15:02:49,505 INFO L130 PetriNetUnfolder]: For 110/110 co-relation queries the response was YES. [2021-04-28 15:02:49,513 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1413 conditions, 1302 events. 190/1302 cut-off events. For 110/110 co-relation queries the response was YES. Maximal size of possible extension queue 35. Compared 7017 event pairs, 23 based on Foata normal form. 0/1096 useless extension candidates. Maximal degree in co-relation 736. Up to 80 conditions per place. [2021-04-28 15:02:49,514 INFO L82 GeneralOperation]: Start removeDead. Operand has 112 places, 113 transitions, 286 flow [2021-04-28 15:02:49,523 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 105 places, 105 transitions, 270 flow [2021-04-28 15:02:49,523 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 15:02:49,524 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 105 places, 105 transitions, 270 flow [2021-04-28 15:02:49,524 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 105 places, 105 transitions, 270 flow [2021-04-28 15:02:49,525 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 105 places, 105 transitions, 270 flow [2021-04-28 15:02:49,685 INFO L129 PetriNetUnfolder]: 158/1046 cut-off events. [2021-04-28 15:02:49,686 INFO L130 PetriNetUnfolder]: For 110/110 co-relation queries the response was YES. [2021-04-28 15:02:49,689 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1157 conditions, 1046 events. 158/1046 cut-off events. For 110/110 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 5088 event pairs, 23 based on Foata normal form. 0/904 useless extension candidates. Maximal degree in co-relation 608. Up to 80 conditions per place. [2021-04-28 15:02:49,710 INFO L146 LiptonReduction]: Number of co-enabled transitions 2200 [2021-04-28 15:02:56,211 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 30 [2021-04-28 15:02:57,146 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 45 [2021-04-28 15:02:57,261 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 45 [2021-04-28 15:02:57,372 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 45 [2021-04-28 15:02:57,484 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 45 [2021-04-28 15:03:10,698 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 41 [2021-04-28 15:03:11,340 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 18 DAG size of output: 16 [2021-04-28 15:03:11,603 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2021-04-28 15:03:11,757 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 55 [2021-04-28 15:03:11,942 WARN L205 SmtUtils]: Spent 183.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2021-04-28 15:03:12,108 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 55 [2021-04-28 15:03:13,253 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 16 DAG size of output: 14 [2021-04-28 15:03:16,298 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 35 [2021-04-28 15:03:16,405 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 35 [2021-04-28 15:03:16,514 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 35 [2021-04-28 15:03:16,625 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 35 [2021-04-28 15:03:26,687 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 14 [2021-04-28 15:03:26,894 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 20 DAG size of output: 18 [2021-04-28 15:03:27,215 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 21 DAG size of output: 19 [2021-04-28 15:03:27,516 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 21 DAG size of output: 19 [2021-04-28 15:03:28,901 WARN L205 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2021-04-28 15:03:29,155 WARN L205 SmtUtils]: Spent 251.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2021-04-28 15:03:29,438 WARN L205 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2021-04-28 15:03:29,671 WARN L205 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2021-04-28 15:03:29,819 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 37 [2021-04-28 15:03:29,942 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 33 [2021-04-28 15:03:30,095 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 37 [2021-04-28 15:03:30,219 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 33 [2021-04-28 15:03:30,407 WARN L205 SmtUtils]: Spent 184.00 ms on a formula simplification that was a NOOP. DAG size: 57 [2021-04-28 15:03:30,576 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 53 [2021-04-28 15:03:30,773 WARN L205 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 57 [2021-04-28 15:03:30,942 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 53 [2021-04-28 15:03:32,405 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 15 DAG size of output: 13 [2021-04-28 15:03:32,635 WARN L205 SmtUtils]: Spent 188.00 ms on a formula simplification that was a NOOP. DAG size: 51 [2021-04-28 15:03:32,811 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification that was a NOOP. DAG size: 47 [2021-04-28 15:03:33,010 WARN L205 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 51 [2021-04-28 15:03:33,195 WARN L205 SmtUtils]: Spent 182.00 ms on a formula simplification that was a NOOP. DAG size: 47 [2021-04-28 15:03:33,391 WARN L205 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 44 [2021-04-28 15:03:33,536 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 40 [2021-04-28 15:03:33,706 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 44 [2021-04-28 15:03:33,850 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 40 [2021-04-28 15:03:34,030 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification that was a NOOP. DAG size: 47 [2021-04-28 15:03:34,182 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 43 [2021-04-28 15:03:34,368 WARN L205 SmtUtils]: Spent 183.00 ms on a formula simplification that was a NOOP. DAG size: 47 [2021-04-28 15:03:34,519 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 43 [2021-04-28 15:03:34,757 WARN L205 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 32 [2021-04-28 15:03:34,866 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 30 [2021-04-28 15:03:35,084 WARN L205 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 32 [2021-04-28 15:03:35,378 WARN L205 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 29 DAG size of output: 27 [2021-04-28 15:03:35,481 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 25 [2021-04-28 15:03:35,680 WARN L205 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 29 DAG size of output: 27 [2021-04-28 15:03:35,784 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 25 [2021-04-28 15:03:36,024 WARN L205 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 35 [2021-04-28 15:03:36,143 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 33 [2021-04-28 15:03:36,380 WARN L205 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 35 [2021-04-28 15:03:36,487 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 33 [2021-04-28 15:03:37,189 WARN L205 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 32 DAG size of output: 30 [2021-04-28 15:03:37,567 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 33 [2021-04-28 15:03:37,920 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 30 [2021-04-28 15:03:38,386 WARN L205 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 32 DAG size of output: 30 [2021-04-28 15:03:38,875 WARN L205 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 32 DAG size of output: 30 [2021-04-28 15:03:39,839 WARN L205 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-04-28 15:03:40,124 WARN L205 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-04-28 15:03:40,390 WARN L205 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-04-28 15:03:40,652 WARN L205 SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-04-28 15:03:40,791 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 36 [2021-04-28 15:03:40,941 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 36 [2021-04-28 15:03:41,084 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 36 [2021-04-28 15:03:41,230 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 36 [2021-04-28 15:03:41,419 WARN L205 SmtUtils]: Spent 185.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2021-04-28 15:03:41,607 WARN L205 SmtUtils]: Spent 185.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2021-04-28 15:03:41,795 WARN L205 SmtUtils]: Spent 184.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2021-04-28 15:03:41,986 WARN L205 SmtUtils]: Spent 188.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2021-04-28 15:03:42,311 WARN L205 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 32 [2021-04-28 15:03:42,433 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 30 [2021-04-28 15:03:42,648 WARN L205 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 32 [2021-04-28 15:03:42,762 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 30 [2021-04-28 15:03:43,173 WARN L205 SmtUtils]: Spent 407.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 44 [2021-04-28 15:03:43,381 WARN L205 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 42 [2021-04-28 15:03:43,813 WARN L205 SmtUtils]: Spent 429.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 44 [2021-04-28 15:03:44,016 WARN L205 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 42 [2021-04-28 15:03:44,465 WARN L205 SmtUtils]: Spent 447.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 47 [2021-04-28 15:03:44,665 WARN L205 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 45 [2021-04-28 15:03:45,115 WARN L205 SmtUtils]: Spent 447.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 47 [2021-04-28 15:03:45,334 WARN L205 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 45 [2021-04-28 15:03:45,859 WARN L205 SmtUtils]: Spent 521.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 51 [2021-04-28 15:03:46,120 WARN L205 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 49 [2021-04-28 15:03:46,630 WARN L205 SmtUtils]: Spent 507.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 51 [2021-04-28 15:03:46,874 WARN L205 SmtUtils]: Spent 240.00 ms on a formula simplification that was a NOOP. DAG size: 49 [2021-04-28 15:03:47,929 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 35 [2021-04-28 15:03:48,293 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 33 [2021-04-28 15:03:48,484 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 36 [2021-04-28 15:03:48,960 WARN L205 SmtUtils]: Spent 386.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 43 [2021-04-28 15:03:49,083 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 34 [2021-04-28 15:03:49,196 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 33 [2021-04-28 15:03:49,397 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 36 [2021-04-28 15:03:49,593 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 32 [2021-04-28 15:03:49,777 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 35 [2021-04-28 15:03:49,971 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 34 [2021-04-28 15:03:50,179 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 37 [2021-04-28 15:03:50,521 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 33 [2021-04-28 15:03:50,934 WARN L205 SmtUtils]: Spent 341.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 15:03:51,274 WARN L205 SmtUtils]: Spent 337.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 15:03:51,609 WARN L205 SmtUtils]: Spent 332.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 15:03:51,946 WARN L205 SmtUtils]: Spent 334.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 15:03:52,692 WARN L205 SmtUtils]: Spent 743.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 79 [2021-04-28 15:03:53,056 WARN L205 SmtUtils]: Spent 361.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2021-04-28 15:03:53,776 WARN L205 SmtUtils]: Spent 717.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 82 [2021-04-28 15:03:54,118 WARN L205 SmtUtils]: Spent 339.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-28 15:03:54,477 WARN L205 SmtUtils]: Spent 356.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2021-04-28 15:03:54,813 WARN L205 SmtUtils]: Spent 333.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2021-04-28 15:03:55,140 WARN L205 SmtUtils]: Spent 325.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2021-04-28 15:03:55,472 WARN L205 SmtUtils]: Spent 329.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2021-04-28 15:03:56,264 WARN L205 SmtUtils]: Spent 733.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 83 [2021-04-28 15:03:56,677 WARN L205 SmtUtils]: Spent 395.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2021-04-28 15:03:57,480 WARN L205 SmtUtils]: Spent 800.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 86 [2021-04-28 15:03:57,876 WARN L205 SmtUtils]: Spent 389.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 15:03:58,224 WARN L205 SmtUtils]: Spent 344.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2021-04-28 15:03:58,592 WARN L205 SmtUtils]: Spent 365.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2021-04-28 15:03:58,975 WARN L205 SmtUtils]: Spent 379.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2021-04-28 15:03:59,345 WARN L205 SmtUtils]: Spent 367.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2021-04-28 15:04:00,168 WARN L205 SmtUtils]: Spent 820.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 83 [2021-04-28 15:04:00,541 WARN L205 SmtUtils]: Spent 369.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2021-04-28 15:04:01,333 WARN L205 SmtUtils]: Spent 789.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 86 [2021-04-28 15:04:01,746 WARN L205 SmtUtils]: Spent 410.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 15:04:02,429 WARN L205 SmtUtils]: Spent 679.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 80 [2021-04-28 15:04:02,762 WARN L205 SmtUtils]: Spent 330.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-28 15:04:03,515 WARN L205 SmtUtils]: Spent 750.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 83 [2021-04-28 15:04:03,887 WARN L205 SmtUtils]: Spent 369.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2021-04-28 15:04:04,235 WARN L205 SmtUtils]: Spent 344.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2021-04-28 15:04:04,573 WARN L205 SmtUtils]: Spent 336.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2021-04-28 15:04:04,924 WARN L205 SmtUtils]: Spent 347.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2021-04-28 15:04:05,280 WARN L205 SmtUtils]: Spent 353.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2021-04-28 15:04:05,555 WARN L205 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-28 15:04:05,842 WARN L205 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-28 15:04:06,118 WARN L205 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-28 15:04:06,412 WARN L205 SmtUtils]: Spent 291.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-28 15:04:06,742 WARN L205 SmtUtils]: Spent 326.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2021-04-28 15:04:07,023 WARN L205 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2021-04-28 15:04:07,283 WARN L205 SmtUtils]: Spent 258.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2021-04-28 15:04:07,548 WARN L205 SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2021-04-28 15:04:07,809 WARN L205 SmtUtils]: Spent 258.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2021-04-28 15:04:08,048 WARN L205 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2021-04-28 15:04:08,304 WARN L205 SmtUtils]: Spent 253.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2021-04-28 15:04:08,563 WARN L205 SmtUtils]: Spent 256.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2021-04-28 15:04:08,823 WARN L205 SmtUtils]: Spent 257.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2021-04-28 15:04:09,080 WARN L205 SmtUtils]: Spent 254.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2021-04-28 15:04:09,331 WARN L205 SmtUtils]: Spent 248.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2021-04-28 15:04:09,592 WARN L205 SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2021-04-28 15:04:10,390 WARN L205 SmtUtils]: Spent 793.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 65 [2021-04-28 15:04:10,749 WARN L205 SmtUtils]: Spent 356.00 ms on a formula simplification that was a NOOP. DAG size: 61 [2021-04-28 15:04:11,493 WARN L205 SmtUtils]: Spent 741.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 65 [2021-04-28 15:04:11,837 WARN L205 SmtUtils]: Spent 340.00 ms on a formula simplification that was a NOOP. DAG size: 61 [2021-04-28 15:04:12,909 WARN L205 SmtUtils]: Spent 1.07 s on a formula simplification. DAG size of input: 78 DAG size of output: 76 [2021-04-28 15:04:13,375 WARN L205 SmtUtils]: Spent 463.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-28 15:04:14,496 WARN L205 SmtUtils]: Spent 1.12 s on a formula simplification. DAG size of input: 78 DAG size of output: 76 [2021-04-28 15:04:15,011 WARN L205 SmtUtils]: Spent 513.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-28 15:04:15,265 WARN L205 SmtUtils]: Spent 248.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2021-04-28 15:04:15,521 WARN L205 SmtUtils]: Spent 253.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2021-04-28 15:04:15,796 WARN L205 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2021-04-28 15:04:16,082 WARN L205 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2021-04-28 15:04:16,335 WARN L205 SmtUtils]: Spent 250.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2021-04-28 15:04:16,586 WARN L205 SmtUtils]: Spent 247.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2021-04-28 15:04:16,847 WARN L205 SmtUtils]: Spent 258.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2021-04-28 15:04:17,114 WARN L205 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2021-04-28 15:04:18,332 WARN L205 SmtUtils]: Spent 1.22 s on a formula simplification. DAG size of input: 97 DAG size of output: 95 [2021-04-28 15:04:18,945 WARN L205 SmtUtils]: Spent 609.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2021-04-28 15:04:20,137 WARN L205 SmtUtils]: Spent 1.19 s on a formula simplification. DAG size of input: 97 DAG size of output: 95 [2021-04-28 15:04:20,680 WARN L205 SmtUtils]: Spent 541.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2021-04-28 15:04:20,927 WARN L205 SmtUtils]: Spent 243.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2021-04-28 15:04:21,194 WARN L205 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2021-04-28 15:04:21,467 WARN L205 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2021-04-28 15:04:21,763 WARN L205 SmtUtils]: Spent 294.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2021-04-28 15:04:22,009 WARN L205 SmtUtils]: Spent 242.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2021-04-28 15:04:22,269 WARN L205 SmtUtils]: Spent 257.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2021-04-28 15:04:22,545 WARN L205 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2021-04-28 15:04:22,783 WARN L205 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2021-04-28 15:04:23,608 WARN L205 SmtUtils]: Spent 808.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 80 [2021-04-28 15:04:24,029 WARN L205 SmtUtils]: Spent 418.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-28 15:04:24,850 WARN L205 SmtUtils]: Spent 818.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 83 [2021-04-28 15:04:25,244 WARN L205 SmtUtils]: Spent 391.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2021-04-28 15:04:25,876 WARN L205 SmtUtils]: Spent 629.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 73 [2021-04-28 15:04:26,193 WARN L205 SmtUtils]: Spent 313.00 ms on a formula simplification that was a NOOP. DAG size: 73 [2021-04-28 15:04:26,919 WARN L205 SmtUtils]: Spent 723.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 76 [2021-04-28 15:04:27,279 WARN L205 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-04-28 15:04:27,989 WARN L205 SmtUtils]: Spent 706.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 82 [2021-04-28 15:04:28,382 WARN L205 SmtUtils]: Spent 390.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-28 15:04:29,252 WARN L205 SmtUtils]: Spent 867.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 88 [2021-04-28 15:04:29,691 WARN L205 SmtUtils]: Spent 436.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 15:04:30,516 WARN L205 SmtUtils]: Spent 821.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 83 [2021-04-28 15:04:30,912 WARN L205 SmtUtils]: Spent 393.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2021-04-28 15:04:31,682 WARN L205 SmtUtils]: Spent 767.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 86 [2021-04-28 15:04:32,069 WARN L205 SmtUtils]: Spent 384.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 15:04:32,843 WARN L205 SmtUtils]: Spent 733.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 80 [2021-04-28 15:04:33,200 WARN L205 SmtUtils]: Spent 354.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-28 15:04:34,024 WARN L205 SmtUtils]: Spent 820.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 83 [2021-04-28 15:04:34,433 WARN L205 SmtUtils]: Spent 406.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2021-04-28 15:04:35,092 WARN L205 SmtUtils]: Spent 654.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 78 [2021-04-28 15:04:35,421 WARN L205 SmtUtils]: Spent 327.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 15:04:36,199 WARN L205 SmtUtils]: Spent 774.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 81 [2021-04-28 15:04:36,564 WARN L205 SmtUtils]: Spent 361.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2021-04-28 15:04:37,316 WARN L205 SmtUtils]: Spent 696.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 80 [2021-04-28 15:04:37,684 WARN L205 SmtUtils]: Spent 365.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-28 15:04:38,433 WARN L205 SmtUtils]: Spent 746.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 78 [2021-04-28 15:04:38,798 WARN L205 SmtUtils]: Spent 362.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 15:04:40,682 WARN L205 SmtUtils]: Spent 1.88 s on a formula simplification. DAG size of input: 124 DAG size of output: 122 [2021-04-28 15:04:41,559 WARN L205 SmtUtils]: Spent 873.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2021-04-28 15:04:43,487 WARN L205 SmtUtils]: Spent 1.92 s on a formula simplification. DAG size of input: 124 DAG size of output: 122 [2021-04-28 15:04:44,307 WARN L205 SmtUtils]: Spent 816.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2021-04-28 15:04:45,875 WARN L205 SmtUtils]: Spent 1.56 s on a formula simplification. DAG size of input: 107 DAG size of output: 105 [2021-04-28 15:04:46,591 WARN L205 SmtUtils]: Spent 713.00 ms on a formula simplification that was a NOOP. DAG size: 101 [2021-04-28 15:04:48,160 WARN L205 SmtUtils]: Spent 1.57 s on a formula simplification. DAG size of input: 107 DAG size of output: 105 [2021-04-28 15:04:48,868 WARN L205 SmtUtils]: Spent 704.00 ms on a formula simplification that was a NOOP. DAG size: 101 [2021-04-28 15:04:50,701 WARN L205 SmtUtils]: Spent 1.83 s on a formula simplification. DAG size of input: 111 DAG size of output: 109 [2021-04-28 15:04:51,475 WARN L205 SmtUtils]: Spent 770.00 ms on a formula simplification that was a NOOP. DAG size: 101 [2021-04-28 15:04:53,723 WARN L205 SmtUtils]: Spent 2.24 s on a formula simplification. DAG size of input: 111 DAG size of output: 109 [2021-04-28 15:04:54,525 WARN L205 SmtUtils]: Spent 798.00 ms on a formula simplification that was a NOOP. DAG size: 101 [2021-04-28 15:04:57,017 WARN L205 SmtUtils]: Spent 2.49 s on a formula simplification. DAG size of input: 122 DAG size of output: 120 [2021-04-28 15:04:57,904 WARN L205 SmtUtils]: Spent 883.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2021-04-28 15:04:59,786 WARN L205 SmtUtils]: Spent 1.88 s on a formula simplification. DAG size of input: 122 DAG size of output: 120 [2021-04-28 15:05:00,531 WARN L205 SmtUtils]: Spent 742.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2021-04-28 15:05:02,649 WARN L205 SmtUtils]: Spent 2.11 s on a formula simplification. DAG size of input: 124 DAG size of output: 122 [2021-04-28 15:05:03,529 WARN L205 SmtUtils]: Spent 875.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2021-04-28 15:05:05,671 WARN L205 SmtUtils]: Spent 2.14 s on a formula simplification. DAG size of input: 127 DAG size of output: 125 [2021-04-28 15:05:06,625 WARN L205 SmtUtils]: Spent 951.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2021-04-28 15:05:08,840 WARN L205 SmtUtils]: Spent 2.21 s on a formula simplification. DAG size of input: 124 DAG size of output: 122 [2021-04-28 15:05:09,812 WARN L205 SmtUtils]: Spent 967.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2021-04-28 15:05:12,123 WARN L205 SmtUtils]: Spent 2.31 s on a formula simplification. DAG size of input: 127 DAG size of output: 125 [2021-04-28 15:05:13,099 WARN L205 SmtUtils]: Spent 972.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2021-04-28 15:05:15,073 WARN L205 SmtUtils]: Spent 1.97 s on a formula simplification. DAG size of input: 120 DAG size of output: 118 [2021-04-28 15:05:15,895 WARN L205 SmtUtils]: Spent 818.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2021-04-28 15:05:17,896 WARN L205 SmtUtils]: Spent 2.00 s on a formula simplification. DAG size of input: 123 DAG size of output: 121 [2021-04-28 15:05:18,778 WARN L205 SmtUtils]: Spent 879.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2021-04-28 15:05:20,704 WARN L205 SmtUtils]: Spent 1.92 s on a formula simplification. DAG size of input: 121 DAG size of output: 119 [2021-04-28 15:05:21,645 WARN L205 SmtUtils]: Spent 938.00 ms on a formula simplification that was a NOOP. DAG size: 111 [2021-04-28 15:05:24,248 WARN L205 SmtUtils]: Spent 2.60 s on a formula simplification. DAG size of input: 124 DAG size of output: 122 [2021-04-28 15:05:25,226 WARN L205 SmtUtils]: Spent 974.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2021-04-28 15:05:27,720 WARN L205 SmtUtils]: Spent 2.49 s on a formula simplification. DAG size of input: 122 DAG size of output: 120 [2021-04-28 15:05:28,592 WARN L205 SmtUtils]: Spent 869.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2021-04-28 15:05:30,474 WARN L205 SmtUtils]: Spent 1.88 s on a formula simplification. DAG size of input: 122 DAG size of output: 120 [2021-04-28 15:05:31,601 WARN L205 SmtUtils]: Spent 1.13 s on a formula simplification that was a NOOP. DAG size: 112 [2021-04-28 15:05:33,493 WARN L205 SmtUtils]: Spent 1.89 s on a formula simplification. DAG size of input: 119 DAG size of output: 117 [2021-04-28 15:05:34,253 WARN L205 SmtUtils]: Spent 756.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2021-04-28 15:05:36,187 WARN L205 SmtUtils]: Spent 1.93 s on a formula simplification. DAG size of input: 119 DAG size of output: 117 [2021-04-28 15:05:37,010 WARN L205 SmtUtils]: Spent 819.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2021-04-28 15:05:39,000 WARN L205 SmtUtils]: Spent 1.93 s on a formula simplification. DAG size of input: 114 DAG size of output: 112 [2021-04-28 15:05:39,805 WARN L205 SmtUtils]: Spent 801.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-04-28 15:05:41,699 WARN L205 SmtUtils]: Spent 1.89 s on a formula simplification. DAG size of input: 117 DAG size of output: 115 [2021-04-28 15:05:42,520 WARN L205 SmtUtils]: Spent 817.00 ms on a formula simplification that was a NOOP. DAG size: 107 [2021-04-28 15:05:44,841 WARN L205 SmtUtils]: Spent 2.32 s on a formula simplification. DAG size of input: 121 DAG size of output: 119 [2021-04-28 15:05:45,765 WARN L205 SmtUtils]: Spent 921.00 ms on a formula simplification that was a NOOP. DAG size: 111 [2021-04-28 15:05:48,433 WARN L205 SmtUtils]: Spent 2.66 s on a formula simplification. DAG size of input: 124 DAG size of output: 122 [2021-04-28 15:05:49,532 WARN L205 SmtUtils]: Spent 1.09 s on a formula simplification that was a NOOP. DAG size: 114 [2021-04-28 15:05:51,226 WARN L205 SmtUtils]: Spent 1.65 s on a formula simplification. DAG size of input: 107 DAG size of output: 105 [2021-04-28 15:05:51,962 WARN L205 SmtUtils]: Spent 732.00 ms on a formula simplification that was a NOOP. DAG size: 101 [2021-04-28 15:05:53,694 WARN L205 SmtUtils]: Spent 1.73 s on a formula simplification. DAG size of input: 107 DAG size of output: 105 [2021-04-28 15:05:54,437 WARN L205 SmtUtils]: Spent 738.00 ms on a formula simplification that was a NOOP. DAG size: 101 [2021-04-28 15:05:57,111 WARN L205 SmtUtils]: Spent 2.67 s on a formula simplification. DAG size of input: 123 DAG size of output: 121 [2021-04-28 15:05:58,109 WARN L205 SmtUtils]: Spent 994.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2021-04-28 15:06:00,711 WARN L205 SmtUtils]: Spent 2.60 s on a formula simplification. DAG size of input: 129 DAG size of output: 127 [2021-04-28 15:06:01,921 WARN L205 SmtUtils]: Spent 1.21 s on a formula simplification that was a NOOP. DAG size: 119 [2021-04-28 15:06:04,029 WARN L205 SmtUtils]: Spent 2.10 s on a formula simplification. DAG size of input: 124 DAG size of output: 122 [2021-04-28 15:06:04,964 WARN L205 SmtUtils]: Spent 932.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2021-04-28 15:06:07,385 WARN L205 SmtUtils]: Spent 2.42 s on a formula simplification. DAG size of input: 127 DAG size of output: 125 [2021-04-28 15:06:08,407 WARN L205 SmtUtils]: Spent 1.02 s on a formula simplification that was a NOOP. DAG size: 117 [2021-04-28 15:06:10,402 WARN L205 SmtUtils]: Spent 1.99 s on a formula simplification. DAG size of input: 119 DAG size of output: 117 [2021-04-28 15:06:11,297 WARN L205 SmtUtils]: Spent 891.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2021-04-28 15:06:13,366 WARN L205 SmtUtils]: Spent 2.07 s on a formula simplification. DAG size of input: 122 DAG size of output: 120 [2021-04-28 15:06:14,391 WARN L205 SmtUtils]: Spent 1.02 s on a formula simplification that was a NOOP. DAG size: 112 [2021-04-28 15:06:16,453 WARN L205 SmtUtils]: Spent 2.02 s on a formula simplification. DAG size of input: 121 DAG size of output: 119 [2021-04-28 15:06:17,345 WARN L205 SmtUtils]: Spent 888.00 ms on a formula simplification that was a NOOP. DAG size: 111 [2021-04-28 15:06:19,448 WARN L205 SmtUtils]: Spent 2.10 s on a formula simplification. DAG size of input: 119 DAG size of output: 117 [2021-04-28 15:06:20,305 WARN L205 SmtUtils]: Spent 854.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2021-04-28 15:06:22,485 WARN L205 SmtUtils]: Spent 2.18 s on a formula simplification. DAG size of input: 121 DAG size of output: 119 [2021-04-28 15:06:23,497 WARN L205 SmtUtils]: Spent 1.01 s on a formula simplification that was a NOOP. DAG size: 111 [2021-04-28 15:06:25,805 WARN L205 SmtUtils]: Spent 2.30 s on a formula simplification. DAG size of input: 124 DAG size of output: 122 [2021-04-28 15:06:26,840 WARN L205 SmtUtils]: Spent 1.03 s on a formula simplification that was a NOOP. DAG size: 114 [2021-04-28 15:06:26,873 INFO L158 LiptonReduction]: Checked pairs total: 4350 [2021-04-28 15:06:26,873 INFO L160 LiptonReduction]: Total number of compositions: 199 [2021-04-28 15:06:26,875 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 217352 [2021-04-28 15:06:26,888 INFO L129 PetriNetUnfolder]: 1/64 cut-off events. [2021-04-28 15:06:26,888 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 15:06:26,888 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 15:06:26,889 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1] [2021-04-28 15:06:26,889 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 15:06:26,889 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 15:06:26,890 INFO L82 PathProgramCache]: Analyzing trace with hash 50492387, now seen corresponding path program 1 times [2021-04-28 15:06:26,890 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 15:06:26,890 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1603155115] [2021-04-28 15:06:26,890 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 15:06:26,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 15:06:26,915 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:06:26,918 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-28 15:06:26,961 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:06:26,965 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 15:06:26,965 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 15:06:26,965 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1603155115] [2021-04-28 15:06:26,966 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 15:06:26,966 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-04-28 15:06:26,966 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [248786999] [2021-04-28 15:06:26,966 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-04-28 15:06:26,966 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 15:06:26,967 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-04-28 15:06:26,967 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-04-28 15:06:26,969 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 153 out of 312 [2021-04-28 15:06:26,970 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 123 places, 118 transitions, 296 flow. Second operand has 3 states, 3 states have (on average 154.33333333333334) internal successors, (463), 3 states have internal predecessors, (463), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 15:06:26,970 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 15:06:26,971 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 153 of 312 [2021-04-28 15:06:26,971 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 15:06:28,157 INFO L129 PetriNetUnfolder]: 85/1120 cut-off events. [2021-04-28 15:06:28,158 INFO L130 PetriNetUnfolder]: For 115/115 co-relation queries the response was YES. [2021-04-28 15:06:28,161 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2129 conditions, 1120 events. 85/1120 cut-off events. For 115/115 co-relation queries the response was YES. Maximal size of possible extension queue 114. Compared 8948 event pairs, 23 based on Foata normal form. 0/279 useless extension candidates. Maximal degree in co-relation 1133. Up to 889 conditions per place. [2021-04-28 15:06:28,164 INFO L132 encePairwiseOnDemand]: 304/312 looper letters, 13 selfloop transitions, 2 changer transitions 79/125 dead transitions. [2021-04-28 15:06:28,165 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 122 places, 125 transitions, 470 flow [2021-04-28 15:06:28,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-28 15:06:28,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-04-28 15:06:28,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 536 transitions. [2021-04-28 15:06:28,176 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5726495726495726 [2021-04-28 15:06:28,177 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 536 transitions. [2021-04-28 15:06:28,177 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 536 transitions. [2021-04-28 15:06:28,178 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 15:06:28,178 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 536 transitions. [2021-04-28 15:06:28,182 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 178.66666666666666) internal successors, (536), 3 states have internal predecessors, (536), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 15:06:28,185 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 312.0) internal successors, (1248), 4 states have internal predecessors, (1248), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 15:06:28,186 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 312.0) internal successors, (1248), 4 states have internal predecessors, (1248), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 15:06:28,187 INFO L185 Difference]: Start difference. First operand has 123 places, 118 transitions, 296 flow. Second operand 3 states and 536 transitions. [2021-04-28 15:06:28,187 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 122 places, 125 transitions, 470 flow [2021-04-28 15:06:28,189 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 122 places, 125 transitions, 470 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-04-28 15:06:28,191 INFO L241 Difference]: Finished difference. Result has 123 places, 44 transitions, 158 flow [2021-04-28 15:06:28,192 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=312, PETRI_DIFFERENCE_MINUEND_FLOW=290, PETRI_DIFFERENCE_MINUEND_PLACES=120, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=115, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=113, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=158, PETRI_PLACES=123, PETRI_TRANSITIONS=44} [2021-04-28 15:06:28,193 INFO L343 CegarLoopForPetriNet]: 123 programPoint places, 0 predicate places. [2021-04-28 15:06:28,194 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 15:06:28,194 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 123 places, 44 transitions, 158 flow [2021-04-28 15:06:28,194 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 123 places, 44 transitions, 158 flow [2021-04-28 15:06:28,195 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 51 places, 44 transitions, 158 flow [2021-04-28 15:06:28,236 INFO L129 PetriNetUnfolder]: 85/326 cut-off events. [2021-04-28 15:06:28,236 INFO L130 PetriNetUnfolder]: For 110/110 co-relation queries the response was YES. [2021-04-28 15:06:28,238 INFO L84 FinitePrefix]: Finished finitePrefix Result has 451 conditions, 326 events. 85/326 cut-off events. For 110/110 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 1211 event pairs, 23 based on Foata normal form. 0/247 useless extension candidates. Maximal degree in co-relation 432. Up to 80 conditions per place. [2021-04-28 15:06:28,246 INFO L146 LiptonReduction]: Number of co-enabled transitions 1048 [2021-04-28 15:06:28,249 INFO L158 LiptonReduction]: Checked pairs total: 160 [2021-04-28 15:06:28,250 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 15:06:28,250 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 56 [2021-04-28 15:06:28,255 INFO L480 AbstractCegarLoop]: Abstraction has has 51 places, 44 transitions, 158 flow [2021-04-28 15:06:28,256 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 154.33333333333334) internal successors, (463), 3 states have internal predecessors, (463), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 15:06:28,256 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 15:06:28,256 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 15:06:28,256 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-04-28 15:06:28,257 INFO L428 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 15:06:28,257 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 15:06:28,257 INFO L82 PathProgramCache]: Analyzing trace with hash -244049295, now seen corresponding path program 1 times [2021-04-28 15:06:28,258 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 15:06:28,258 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1906863761] [2021-04-28 15:06:28,258 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 15:06:28,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 15:06:28,330 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:06:28,335 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 15:06:28,357 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:06:28,361 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-28 15:06:28,410 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:06:28,414 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 15:06:28,415 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-04-28 15:06:28,415 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1906863761] [2021-04-28 15:06:28,415 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 15:06:28,416 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-04-28 15:06:28,416 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [849770424] [2021-04-28 15:06:28,416 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-04-28 15:06:28,416 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 15:06:28,417 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-04-28 15:06:28,417 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-04-28 15:06:28,421 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 153 out of 312 [2021-04-28 15:06:28,422 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 51 places, 44 transitions, 158 flow. Second operand has 4 states, 4 states have (on average 154.75) internal successors, (619), 4 states have internal predecessors, (619), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 15:06:28,423 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 15:06:28,423 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 153 of 312 [2021-04-28 15:06:28,423 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 15:06:28,700 INFO L129 PetriNetUnfolder]: 90/382 cut-off events. [2021-04-28 15:06:28,701 INFO L130 PetriNetUnfolder]: For 130/130 co-relation queries the response was YES. [2021-04-28 15:06:28,704 INFO L84 FinitePrefix]: Finished finitePrefix Result has 779 conditions, 382 events. 90/382 cut-off events. For 130/130 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 1619 event pairs, 33 based on Foata normal form. 0/305 useless extension candidates. Maximal degree in co-relation 755. Up to 212 conditions per place. [2021-04-28 15:06:28,708 INFO L132 encePairwiseOnDemand]: 305/312 looper letters, 13 selfloop transitions, 6 changer transitions 0/50 dead transitions. [2021-04-28 15:06:28,709 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 54 places, 50 transitions, 208 flow [2021-04-28 15:06:28,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-04-28 15:06:28,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-04-28 15:06:28,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 633 transitions. [2021-04-28 15:06:28,723 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5072115384615384 [2021-04-28 15:06:28,723 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 633 transitions. [2021-04-28 15:06:28,723 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 633 transitions. [2021-04-28 15:06:28,725 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 15:06:28,725 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 633 transitions. [2021-04-28 15:06:28,728 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 158.25) internal successors, (633), 4 states have internal predecessors, (633), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 15:06:28,733 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 312.0) internal successors, (1560), 5 states have internal predecessors, (1560), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 15:06:28,734 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 312.0) internal successors, (1560), 5 states have internal predecessors, (1560), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 15:06:28,734 INFO L185 Difference]: Start difference. First operand has 51 places, 44 transitions, 158 flow. Second operand 4 states and 633 transitions. [2021-04-28 15:06:28,735 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 54 places, 50 transitions, 208 flow [2021-04-28 15:06:28,736 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 53 places, 50 transitions, 206 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-04-28 15:06:28,738 INFO L241 Difference]: Finished difference. Result has 54 places, 46 transitions, 184 flow [2021-04-28 15:06:28,739 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=312, PETRI_DIFFERENCE_MINUEND_FLOW=156, PETRI_DIFFERENCE_MINUEND_PLACES=50, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=44, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=38, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=184, PETRI_PLACES=54, PETRI_TRANSITIONS=46} [2021-04-28 15:06:28,739 INFO L343 CegarLoopForPetriNet]: 123 programPoint places, -69 predicate places. [2021-04-28 15:06:28,739 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 15:06:28,739 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 54 places, 46 transitions, 184 flow [2021-04-28 15:06:28,740 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 54 places, 46 transitions, 184 flow [2021-04-28 15:06:28,741 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 54 places, 46 transitions, 184 flow [2021-04-28 15:06:28,787 INFO L129 PetriNetUnfolder]: 90/382 cut-off events. [2021-04-28 15:06:28,787 INFO L130 PetriNetUnfolder]: For 125/125 co-relation queries the response was YES. [2021-04-28 15:06:28,789 INFO L84 FinitePrefix]: Finished finitePrefix Result has 736 conditions, 382 events. 90/382 cut-off events. For 125/125 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 1598 event pairs, 33 based on Foata normal form. 0/336 useless extension candidates. Maximal degree in co-relation 389. Up to 136 conditions per place. [2021-04-28 15:06:28,804 INFO L146 LiptonReduction]: Number of co-enabled transitions 1128 [2021-04-28 15:06:28,809 INFO L158 LiptonReduction]: Checked pairs total: 160 [2021-04-28 15:06:28,810 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 15:06:28,811 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 72 [2021-04-28 15:06:28,813 INFO L480 AbstractCegarLoop]: Abstraction has has 54 places, 46 transitions, 184 flow [2021-04-28 15:06:28,813 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 154.75) internal successors, (619), 4 states have internal predecessors, (619), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 15:06:28,814 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 15:06:28,814 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 15:06:28,814 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-04-28 15:06:28,814 INFO L428 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 15:06:28,815 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 15:06:28,815 INFO L82 PathProgramCache]: Analyzing trace with hash -356116105, now seen corresponding path program 1 times [2021-04-28 15:06:28,816 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 15:06:28,816 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1083259264] [2021-04-28 15:06:28,816 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 15:06:28,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 15:06:28,889 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:06:28,892 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-28 15:06:28,935 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:06:28,938 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-28 15:06:28,969 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:06:28,973 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 15:06:28,974 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-04-28 15:06:28,974 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1083259264] [2021-04-28 15:06:28,974 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1062351630] [2021-04-28 15:06:28,974 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-28 15:06:29,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 15:06:29,076 INFO L263 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 4 conjunts are in the unsatisfiable core [2021-04-28 15:06:29,084 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-04-28 15:06:29,087 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:06:29,090 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-28 15:06:29,093 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:06:29,096 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-28 15:06:29,100 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:06:29,103 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-28 15:06:29,106 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:06:29,109 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-28 15:06:29,168 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:06:29,171 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-28 15:06:29,175 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:06:29,177 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-28 15:06:29,179 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:06:29,181 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-28 15:06:29,184 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:06:29,189 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-28 15:06:29,192 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:06:29,196 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-28 15:06:29,199 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:06:29,203 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-28 15:06:29,206 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:06:29,209 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-28 15:06:29,213 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:06:29,223 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-28 15:06:29,228 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:06:29,232 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-28 15:06:29,234 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:06:29,237 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-28 15:06:29,241 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:06:29,244 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-28 15:06:29,247 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:06:29,250 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-28 15:06:29,253 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:06:29,255 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-28 15:06:29,258 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:06:29,261 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-28 15:06:29,264 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:06:29,267 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-28 15:06:29,270 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:06:29,272 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-28 15:06:29,276 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:06:29,277 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-28 15:06:29,280 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:06:29,283 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-28 15:06:29,286 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-28 15:06:29,294 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:06:29,296 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-28 15:06:29,298 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:06:29,302 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-28 15:06:29,306 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-28 15:06:29,308 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:06:29,311 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-28 15:06:29,314 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:06:29,317 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-28 15:06:29,383 INFO L142 QuantifierPusher]: treesize reduction 1, result has 91.7 percent of original size [2021-04-28 15:06:29,385 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-28 15:06:29,392 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:06:29,395 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-28 15:06:29,399 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-28 15:06:29,403 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:06:29,406 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-28 15:06:29,410 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:06:29,411 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-28 15:06:29,419 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:06:29,423 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-28 15:06:29,426 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-28 15:06:29,430 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-28 15:06:29,432 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:06:29,439 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 15:06:29,442 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:06:29,444 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 15:06:29,445 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:06:29,449 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 15:06:29,452 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:06:29,455 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 15:06:29,458 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:06:29,461 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 15:06:29,464 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:06:29,467 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 15:06:29,470 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:06:29,473 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 15:06:29,475 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:06:29,478 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 15:06:29,481 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:06:29,484 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 15:06:29,487 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:06:29,490 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 15:06:29,494 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:06:29,497 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 15:06:29,500 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:06:29,503 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 15:06:29,507 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:06:29,510 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 15:06:29,513 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:06:29,516 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 15:06:29,520 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:06:29,523 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 15:06:29,526 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:06:29,530 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 15:06:29,532 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:06:29,535 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 15:06:29,538 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:06:29,541 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 15:06:29,545 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:06:29,548 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 15:06:29,550 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:06:29,552 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 15:06:29,554 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:06:29,557 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 15:06:29,560 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:06:29,563 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 15:06:29,567 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:06:29,570 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 15:06:29,571 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-04-28 15:06:29,571 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-04-28 15:06:29,571 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 5 [2021-04-28 15:06:29,572 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1369596092] [2021-04-28 15:06:29,572 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-04-28 15:06:29,572 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 15:06:29,573 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-04-28 15:06:29,573 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-04-28 15:06:29,575 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 153 out of 312 [2021-04-28 15:06:29,577 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 54 places, 46 transitions, 184 flow. Second operand has 6 states, 6 states have (on average 155.66666666666666) internal successors, (934), 6 states have internal predecessors, (934), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 15:06:29,577 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 15:06:29,577 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 153 of 312 [2021-04-28 15:06:29,578 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 15:06:29,917 INFO L129 PetriNetUnfolder]: 89/377 cut-off events. [2021-04-28 15:06:29,918 INFO L130 PetriNetUnfolder]: For 175/175 co-relation queries the response was YES. [2021-04-28 15:06:29,920 INFO L84 FinitePrefix]: Finished finitePrefix Result has 984 conditions, 377 events. 89/377 cut-off events. For 175/175 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 1624 event pairs, 33 based on Foata normal form. 1/332 useless extension candidates. Maximal degree in co-relation 523. Up to 252 conditions per place. [2021-04-28 15:06:29,926 INFO L132 encePairwiseOnDemand]: 309/312 looper letters, 17 selfloop transitions, 3 changer transitions 0/51 dead transitions. [2021-04-28 15:06:29,927 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 57 places, 51 transitions, 236 flow [2021-04-28 15:06:29,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-04-28 15:06:29,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-04-28 15:06:29,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 631 transitions. [2021-04-28 15:06:29,940 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5056089743589743 [2021-04-28 15:06:29,940 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 631 transitions. [2021-04-28 15:06:29,940 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 631 transitions. [2021-04-28 15:06:29,941 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 15:06:29,941 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 631 transitions. [2021-04-28 15:06:29,944 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 157.75) internal successors, (631), 4 states have internal predecessors, (631), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 15:06:29,950 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 312.0) internal successors, (1560), 5 states have internal predecessors, (1560), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 15:06:29,952 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 312.0) internal successors, (1560), 5 states have internal predecessors, (1560), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 15:06:29,952 INFO L185 Difference]: Start difference. First operand has 54 places, 46 transitions, 184 flow. Second operand 4 states and 631 transitions. [2021-04-28 15:06:29,952 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 57 places, 51 transitions, 236 flow [2021-04-28 15:06:29,956 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 56 places, 51 transitions, 235 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-04-28 15:06:29,959 INFO L241 Difference]: Finished difference. Result has 57 places, 47 transitions, 199 flow [2021-04-28 15:06:29,960 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=312, PETRI_DIFFERENCE_MINUEND_FLOW=183, PETRI_DIFFERENCE_MINUEND_PLACES=53, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=46, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=43, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=199, PETRI_PLACES=57, PETRI_TRANSITIONS=47} [2021-04-28 15:06:29,960 INFO L343 CegarLoopForPetriNet]: 123 programPoint places, -66 predicate places. [2021-04-28 15:06:29,961 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 15:06:29,961 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 57 places, 47 transitions, 199 flow [2021-04-28 15:06:29,961 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 57 places, 47 transitions, 199 flow [2021-04-28 15:06:29,962 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 57 places, 47 transitions, 199 flow [2021-04-28 15:06:30,014 INFO L129 PetriNetUnfolder]: 89/377 cut-off events. [2021-04-28 15:06:30,015 INFO L130 PetriNetUnfolder]: For 133/133 co-relation queries the response was YES. [2021-04-28 15:06:30,018 INFO L84 FinitePrefix]: Finished finitePrefix Result has 738 conditions, 377 events. 89/377 cut-off events. For 133/133 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 1598 event pairs, 33 based on Foata normal form. 0/331 useless extension candidates. Maximal degree in co-relation 702. Up to 135 conditions per place. [2021-04-28 15:06:30,027 INFO L146 LiptonReduction]: Number of co-enabled transitions 1144 [2021-04-28 15:06:30,033 INFO L158 LiptonReduction]: Checked pairs total: 160 [2021-04-28 15:06:30,033 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 15:06:30,033 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 73 [2021-04-28 15:06:30,035 INFO L480 AbstractCegarLoop]: Abstraction has has 57 places, 47 transitions, 199 flow [2021-04-28 15:06:30,036 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 155.66666666666666) internal successors, (934), 6 states have internal predecessors, (934), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 15:06:30,036 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 15:06:30,037 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 15:06:30,252 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2021-04-28 15:06:30,253 INFO L428 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 15:06:30,254 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 15:06:30,254 INFO L82 PathProgramCache]: Analyzing trace with hash -749769866, now seen corresponding path program 1 times [2021-04-28 15:06:30,254 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 15:06:30,255 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1091555800] [2021-04-28 15:06:30,255 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 15:06:30,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 15:06:30,329 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:06:30,332 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-28 15:06:30,374 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:06:30,376 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-28 15:06:30,407 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:06:30,410 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-28 15:06:30,447 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:06:30,449 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 15:06:30,450 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-04-28 15:06:30,451 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1091555800] [2021-04-28 15:06:30,451 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [894443780] [2021-04-28 15:06:30,451 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-28 15:06:30,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 15:06:30,554 INFO L263 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 5 conjunts are in the unsatisfiable core [2021-04-28 15:06:30,556 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-04-28 15:06:30,560 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:06:30,563 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-28 15:06:30,567 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:06:30,607 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-28 15:06:30,609 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:06:30,611 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-28 15:06:30,613 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:06:30,615 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-28 15:06:30,673 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:06:30,676 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-28 15:06:30,680 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:06:30,683 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-28 15:06:30,687 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:06:30,691 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-28 15:06:30,694 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:06:30,698 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-28 15:06:30,701 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:06:30,704 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-28 15:06:30,707 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:06:30,709 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-28 15:06:30,718 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:06:30,721 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-28 15:06:30,724 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:06:30,727 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-28 15:06:30,731 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:06:30,733 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-28 15:06:30,736 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:06:30,739 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-28 15:06:30,742 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:06:30,744 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-28 15:06:30,746 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:06:30,747 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-28 15:06:30,749 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:06:30,752 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-28 15:06:30,754 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:06:30,757 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-28 15:06:30,760 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:06:30,763 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-28 15:06:30,766 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:06:30,769 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-28 15:06:30,772 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:06:30,774 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-28 15:06:30,777 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:06:30,779 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-28 15:06:30,783 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-28 15:06:30,786 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:06:30,787 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-28 15:06:30,790 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:06:30,792 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-28 15:06:30,796 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-28 15:06:30,799 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:06:30,803 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-28 15:06:30,806 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:06:30,809 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-28 15:06:30,862 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:06:30,865 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-28 15:06:30,868 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:06:30,871 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-28 15:06:30,874 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:06:30,877 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-28 15:06:30,880 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:06:30,883 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-28 15:06:30,886 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:06:30,889 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-28 15:06:30,892 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:06:30,895 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-28 15:06:30,898 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:06:30,901 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-28 15:06:30,903 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:06:30,906 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-28 15:06:30,909 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:06:30,912 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-28 15:06:30,915 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:06:30,918 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-28 15:06:30,921 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:06:30,924 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-28 15:06:30,927 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:06:30,931 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-28 15:06:30,933 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:06:30,936 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-28 15:06:30,939 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:06:30,942 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-28 15:06:30,945 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:06:30,948 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-28 15:06:30,951 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:06:30,952 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-28 15:06:30,954 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:06:30,956 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-28 15:06:30,958 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:06:30,961 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-28 15:06:30,964 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:06:30,966 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-28 15:06:30,969 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:06:30,972 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-28 15:06:30,975 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:06:30,977 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-28 15:06:30,980 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:06:30,983 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-28 15:06:30,986 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-28 15:06:30,989 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:06:30,991 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-28 15:06:30,993 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:06:30,997 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-28 15:06:31,000 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-28 15:06:31,003 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:06:31,007 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-28 15:06:31,010 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:06:31,013 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-28 15:06:31,072 INFO L142 QuantifierPusher]: treesize reduction 1, result has 91.7 percent of original size [2021-04-28 15:06:31,073 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-28 15:06:31,077 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:06:31,080 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-28 15:06:31,085 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-28 15:06:31,088 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:06:31,090 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-28 15:06:31,093 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:06:31,095 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-28 15:06:31,098 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:06:31,101 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-28 15:06:31,104 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-28 15:06:31,107 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-28 15:06:31,111 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:06:31,117 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 15:06:31,119 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:06:31,122 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 15:06:31,125 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:06:31,128 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 15:06:31,131 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:06:31,133 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 15:06:31,136 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:06:31,138 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 15:06:31,141 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:06:31,144 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 15:06:31,148 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:06:31,150 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 15:06:31,152 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:06:31,153 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 15:06:31,155 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:06:31,158 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 15:06:31,161 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:06:31,164 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 15:06:31,167 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:06:31,170 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 15:06:31,174 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:06:31,177 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 15:06:31,180 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:06:31,184 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 15:06:31,187 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:06:31,190 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 15:06:31,193 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:06:31,196 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 15:06:31,199 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:06:31,202 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 15:06:31,205 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:06:31,208 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 15:06:31,212 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:06:31,215 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 15:06:31,218 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:06:31,221 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 15:06:31,224 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:06:31,227 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 15:06:31,227 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-04-28 15:06:31,228 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-04-28 15:06:31,228 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 7 [2021-04-28 15:06:31,228 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1172241514] [2021-04-28 15:06:31,229 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-04-28 15:06:31,229 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 15:06:31,230 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-04-28 15:06:31,230 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=29, Unknown=0, NotChecked=0, Total=56 [2021-04-28 15:06:31,232 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 153 out of 312 [2021-04-28 15:06:31,234 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 57 places, 47 transitions, 199 flow. Second operand has 8 states, 8 states have (on average 155.75) internal successors, (1246), 8 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) [2021-04-28 15:06:31,235 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 15:06:31,235 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 153 of 312 [2021-04-28 15:06:31,235 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 15:06:31,642 INFO L129 PetriNetUnfolder]: 87/370 cut-off events. [2021-04-28 15:06:31,643 INFO L130 PetriNetUnfolder]: For 186/186 co-relation queries the response was YES. [2021-04-28 15:06:31,645 INFO L84 FinitePrefix]: Finished finitePrefix Result has 975 conditions, 370 events. 87/370 cut-off events. For 186/186 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 1644 event pairs, 34 based on Foata normal form. 1/325 useless extension candidates. Maximal degree in co-relation 931. Up to 244 conditions per place. [2021-04-28 15:06:31,649 INFO L132 encePairwiseOnDemand]: 309/312 looper letters, 19 selfloop transitions, 4 changer transitions 0/54 dead transitions. [2021-04-28 15:06:31,650 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 61 places, 54 transitions, 263 flow [2021-04-28 15:06:31,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-04-28 15:06:31,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-04-28 15:06:31,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 787 transitions. [2021-04-28 15:06:31,663 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5044871794871795 [2021-04-28 15:06:31,663 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 787 transitions. [2021-04-28 15:06:31,664 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 787 transitions. [2021-04-28 15:06:31,665 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 15:06:31,666 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 787 transitions. [2021-04-28 15:06:31,669 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 157.4) internal successors, (787), 5 states have internal predecessors, (787), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 15:06:31,674 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 312.0) internal successors, (1872), 6 states have internal predecessors, (1872), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 15:06:31,675 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 312.0) internal successors, (1872), 6 states have internal predecessors, (1872), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 15:06:31,675 INFO L185 Difference]: Start difference. First operand has 57 places, 47 transitions, 199 flow. Second operand 5 states and 787 transitions. [2021-04-28 15:06:31,675 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 61 places, 54 transitions, 263 flow [2021-04-28 15:06:31,679 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 59 places, 54 transitions, 257 flow, removed 1 selfloop flow, removed 2 redundant places. [2021-04-28 15:06:31,681 INFO L241 Difference]: Finished difference. Result has 60 places, 48 transitions, 213 flow [2021-04-28 15:06:31,681 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=312, PETRI_DIFFERENCE_MINUEND_FLOW=193, PETRI_DIFFERENCE_MINUEND_PLACES=55, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=47, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=43, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=213, PETRI_PLACES=60, PETRI_TRANSITIONS=48} [2021-04-28 15:06:31,682 INFO L343 CegarLoopForPetriNet]: 123 programPoint places, -63 predicate places. [2021-04-28 15:06:31,682 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 15:06:31,682 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 60 places, 48 transitions, 213 flow [2021-04-28 15:06:31,683 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 60 places, 48 transitions, 213 flow [2021-04-28 15:06:31,683 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 60 places, 48 transitions, 213 flow [2021-04-28 15:06:31,735 INFO L129 PetriNetUnfolder]: 87/370 cut-off events. [2021-04-28 15:06:31,736 INFO L130 PetriNetUnfolder]: For 138/138 co-relation queries the response was YES. [2021-04-28 15:06:31,738 INFO L84 FinitePrefix]: Finished finitePrefix Result has 730 conditions, 370 events. 87/370 cut-off events. For 138/138 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 1641 event pairs, 34 based on Foata normal form. 0/324 useless extension candidates. Maximal degree in co-relation 680. Up to 133 conditions per place. [2021-04-28 15:06:31,745 INFO L146 LiptonReduction]: Number of co-enabled transitions 1168 [2021-04-28 15:06:31,748 INFO L158 LiptonReduction]: Checked pairs total: 160 [2021-04-28 15:06:31,749 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 15:06:31,749 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 67 [2021-04-28 15:06:31,751 INFO L480 AbstractCegarLoop]: Abstraction has has 60 places, 48 transitions, 213 flow [2021-04-28 15:06:31,752 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 155.75) internal successors, (1246), 8 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) [2021-04-28 15:06:31,752 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 15:06:31,753 INFO L263 CegarLoopForPetriNet]: trace histogram [3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 15:06:31,967 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2021-04-28 15:06:31,968 INFO L428 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 15:06:31,969 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 15:06:31,969 INFO L82 PathProgramCache]: Analyzing trace with hash -1921745896, now seen corresponding path program 1 times [2021-04-28 15:06:31,969 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 15:06:31,970 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [900423990] [2021-04-28 15:06:31,970 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 15:06:31,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 15:06:32,029 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:06:32,032 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-28 15:06:32,076 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:06:32,080 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-28 15:06:32,112 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:06:32,115 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-28 15:06:32,152 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:06:32,155 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-28 15:06:32,200 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:06:32,203 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 15:06:32,204 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-04-28 15:06:32,205 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [900423990] [2021-04-28 15:06:32,206 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1379356646] [2021-04-28 15:06:32,206 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-28 15:06:32,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 15:06:32,310 INFO L263 TraceCheckSpWp]: Trace formula consists of 159 conjuncts, 6 conjunts are in the unsatisfiable core [2021-04-28 15:06:32,312 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-04-28 15:06:32,315 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:06:32,318 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-28 15:06:32,321 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:06:32,323 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-28 15:06:32,326 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:06:32,329 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-28 15:06:32,332 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:06:32,335 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-28 15:06:32,385 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:06:32,388 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-28 15:06:32,391 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:06:32,394 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-28 15:06:32,396 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:06:32,399 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-28 15:06:32,403 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:06:32,405 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-28 15:06:32,408 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:06:32,411 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-28 15:06:32,414 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:06:32,417 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-28 15:06:32,420 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:06:32,423 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-28 15:06:32,425 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:06:32,428 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-28 15:06:32,431 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:06:32,434 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-28 15:06:32,437 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:06:32,440 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-28 15:06:32,443 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:06:32,446 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-28 15:06:32,448 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:06:32,451 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-28 15:06:32,454 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:06:32,457 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-28 15:06:32,459 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:06:32,462 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-28 15:06:32,465 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:06:32,470 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-28 15:06:32,478 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:06:32,482 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-28 15:06:32,486 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:06:32,487 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-28 15:06:32,490 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:06:32,493 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-28 15:06:32,497 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-28 15:06:32,500 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:06:32,501 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-28 15:06:32,505 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:06:32,508 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-28 15:06:32,511 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-28 15:06:32,515 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:06:32,519 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-28 15:06:32,522 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:06:32,525 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-28 15:06:32,582 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:06:32,585 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-28 15:06:32,588 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:06:32,591 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-28 15:06:32,594 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:06:32,597 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-28 15:06:32,600 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:06:32,603 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-28 15:06:32,606 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:06:32,609 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-28 15:06:32,612 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:06:32,614 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-28 15:06:32,617 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:06:32,620 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-28 15:06:32,622 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:06:32,625 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-28 15:06:32,628 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:06:32,631 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-28 15:06:32,633 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:06:32,636 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-28 15:06:32,638 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:06:32,641 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-28 15:06:32,644 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:06:32,647 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-28 15:06:32,650 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:06:32,652 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-28 15:06:32,655 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:06:32,658 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-28 15:06:32,661 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:06:32,664 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-28 15:06:32,668 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:06:32,671 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-28 15:06:32,673 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:06:32,675 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-28 15:06:32,678 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:06:32,682 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-28 15:06:32,685 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-28 15:06:32,691 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:06:32,692 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-28 15:06:32,696 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:06:32,700 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-28 15:06:32,703 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-28 15:06:32,706 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:06:32,709 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-28 15:06:32,712 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:06:32,715 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-28 15:06:32,773 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:06:32,776 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-28 15:06:32,780 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:06:32,783 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-28 15:06:32,785 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:06:32,788 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-28 15:06:32,791 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:06:32,792 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-28 15:06:32,796 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:06:32,799 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-28 15:06:32,801 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:06:32,804 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-28 15:06:32,807 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:06:32,809 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-28 15:06:32,812 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:06:32,815 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-28 15:06:32,818 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:06:32,820 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-28 15:06:32,823 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:06:32,827 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-28 15:06:32,830 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:06:32,833 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-28 15:06:32,836 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:06:32,839 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-28 15:06:32,842 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:06:32,844 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-28 15:06:32,847 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:06:32,850 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-28 15:06:32,852 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:06:32,855 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-28 15:06:32,858 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:06:32,860 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-28 15:06:32,864 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:06:32,866 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-28 15:06:32,875 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:06:32,878 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-28 15:06:32,889 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-28 15:06:32,894 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:06:32,895 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-28 15:06:32,899 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:06:32,901 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-28 15:06:32,905 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-28 15:06:32,908 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:06:32,925 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-28 15:06:32,929 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:06:32,932 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-28 15:06:33,005 INFO L142 QuantifierPusher]: treesize reduction 1, result has 91.7 percent of original size [2021-04-28 15:06:33,008 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-28 15:06:33,011 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:06:33,015 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-28 15:06:33,018 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-28 15:06:33,021 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:06:33,023 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-28 15:06:33,025 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:06:33,026 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-28 15:06:33,030 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:06:33,032 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-28 15:06:33,035 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-28 15:06:33,038 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-28 15:06:33,042 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:06:33,049 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 15:06:33,052 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:06:33,054 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 15:06:33,057 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:06:33,060 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 15:06:33,063 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:06:33,066 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 15:06:33,069 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:06:33,071 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 15:06:33,074 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:06:33,077 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 15:06:33,080 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:06:33,083 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 15:06:33,086 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:06:33,089 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 15:06:33,091 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:06:33,094 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 15:06:33,097 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:06:33,099 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 15:06:33,101 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:06:33,104 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 15:06:33,107 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:06:33,109 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 15:06:33,111 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:06:33,114 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 15:06:33,117 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:06:33,119 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 15:06:33,122 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:06:33,125 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 15:06:33,128 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:06:33,130 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 15:06:33,133 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:06:33,136 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 15:06:33,139 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:06:33,142 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 15:06:33,145 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:06:33,147 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 15:06:33,150 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:06:33,153 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 15:06:33,156 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:06:33,159 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 15:06:33,162 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:06:33,164 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 15:06:33,167 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:06:33,170 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 15:06:33,170 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-04-28 15:06:33,171 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-04-28 15:06:33,171 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 9 [2021-04-28 15:06:33,171 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1637412262] [2021-04-28 15:06:33,172 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-04-28 15:06:33,172 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 15:06:33,173 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-04-28 15:06:33,173 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=48, Unknown=0, NotChecked=0, Total=90 [2021-04-28 15:06:33,176 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 153 out of 312 [2021-04-28 15:06:33,178 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 60 places, 48 transitions, 213 flow. Second operand has 10 states, 10 states have (on average 155.8) internal successors, (1558), 10 states have internal predecessors, (1558), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 15:06:33,179 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 15:06:33,179 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 153 of 312 [2021-04-28 15:06:33,179 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 15:06:33,553 INFO L129 PetriNetUnfolder]: 84/361 cut-off events. [2021-04-28 15:06:33,554 INFO L130 PetriNetUnfolder]: For 191/191 co-relation queries the response was YES. [2021-04-28 15:06:33,556 INFO L84 FinitePrefix]: Finished finitePrefix Result has 955 conditions, 361 events. 84/361 cut-off events. For 191/191 co-relation queries the response was YES. Maximal size of possible extension queue 28. Compared 1674 event pairs, 38 based on Foata normal form. 1/316 useless extension candidates. Maximal degree in co-relation 894. Up to 235 conditions per place. [2021-04-28 15:06:33,559 INFO L132 encePairwiseOnDemand]: 309/312 looper letters, 21 selfloop transitions, 5 changer transitions 0/57 dead transitions. [2021-04-28 15:06:33,560 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 65 places, 57 transitions, 289 flow [2021-04-28 15:06:33,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-04-28 15:06:33,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-04-28 15:06:33,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 943 transitions. [2021-04-28 15:06:33,572 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5037393162393162 [2021-04-28 15:06:33,572 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 943 transitions. [2021-04-28 15:06:33,572 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 943 transitions. [2021-04-28 15:06:33,573 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 15:06:33,574 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 943 transitions. [2021-04-28 15:06:33,577 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 157.16666666666666) internal successors, (943), 6 states have internal predecessors, (943), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 15:06:33,583 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 312.0) internal successors, (2184), 7 states have internal predecessors, (2184), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 15:06:33,584 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 312.0) internal successors, (2184), 7 states have internal predecessors, (2184), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 15:06:33,585 INFO L185 Difference]: Start difference. First operand has 60 places, 48 transitions, 213 flow. Second operand 6 states and 943 transitions. [2021-04-28 15:06:33,585 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 65 places, 57 transitions, 289 flow [2021-04-28 15:06:33,588 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 62 places, 57 transitions, 279 flow, removed 2 selfloop flow, removed 3 redundant places. [2021-04-28 15:06:33,590 INFO L241 Difference]: Finished difference. Result has 63 places, 49 transitions, 227 flow [2021-04-28 15:06:33,591 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=312, PETRI_DIFFERENCE_MINUEND_FLOW=203, PETRI_DIFFERENCE_MINUEND_PLACES=57, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=48, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=43, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=227, PETRI_PLACES=63, PETRI_TRANSITIONS=49} [2021-04-28 15:06:33,591 INFO L343 CegarLoopForPetriNet]: 123 programPoint places, -60 predicate places. [2021-04-28 15:06:33,591 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 15:06:33,592 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 63 places, 49 transitions, 227 flow [2021-04-28 15:06:33,592 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 63 places, 49 transitions, 227 flow [2021-04-28 15:06:33,592 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 63 places, 49 transitions, 227 flow [2021-04-28 15:06:33,640 INFO L129 PetriNetUnfolder]: 84/361 cut-off events. [2021-04-28 15:06:33,640 INFO L130 PetriNetUnfolder]: For 140/140 co-relation queries the response was YES. [2021-04-28 15:06:33,642 INFO L84 FinitePrefix]: Finished finitePrefix Result has 713 conditions, 361 events. 84/361 cut-off events. For 140/140 co-relation queries the response was YES. Maximal size of possible extension queue 26. Compared 1697 event pairs, 38 based on Foata normal form. 0/315 useless extension candidates. Maximal degree in co-relation 648. Up to 130 conditions per place. [2021-04-28 15:06:33,650 INFO L146 LiptonReduction]: Number of co-enabled transitions 1200 [2021-04-28 15:06:33,655 INFO L158 LiptonReduction]: Checked pairs total: 160 [2021-04-28 15:06:33,655 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 15:06:33,656 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 65 [2021-04-28 15:06:33,657 INFO L480 AbstractCegarLoop]: Abstraction has has 63 places, 49 transitions, 227 flow [2021-04-28 15:06:33,658 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 155.8) internal successors, (1558), 10 states have internal predecessors, (1558), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 15:06:33,659 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 15:06:33,659 INFO L263 CegarLoopForPetriNet]: trace histogram [6, 6, 5, 5, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 15:06:33,873 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-28 15:06:33,874 INFO L428 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 15:06:33,874 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 15:06:33,874 INFO L82 PathProgramCache]: Analyzing trace with hash -1224812431, now seen corresponding path program 1 times [2021-04-28 15:06:33,875 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 15:06:33,875 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1269350039] [2021-04-28 15:06:33,875 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 15:06:33,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-04-28 15:06:33,925 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-04-28 15:06:33,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-04-28 15:06:33,960 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-04-28 15:06:33,975 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-04-28 15:06:33,976 INFO L634 BasicCegarLoop]: Counterexample might be feasible [2021-04-28 15:06:33,976 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2021-04-28 15:06:33,976 WARN L342 ceAbstractionStarter]: 5 thread instances were not sufficient, I will increase this number and restart the analysis [2021-04-28 15:06:33,977 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 6 thread instances. [2021-04-28 15:06:33,989 WARN L313 ript$VariableManager]: TermVariabe |threadThread6of6ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:06:33,989 WARN L313 ript$VariableManager]: TermVariabe |threadThread6of6ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:06:33,989 WARN L313 ript$VariableManager]: TermVariabe threadThread6of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:06:33,989 WARN L313 ript$VariableManager]: TermVariabe threadThread6of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:06:34,022 WARN L313 ript$VariableManager]: TermVariabe |threadThread6of6ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:06:34,022 WARN L313 ript$VariableManager]: TermVariabe |threadThread6of6ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:06:34,022 WARN L313 ript$VariableManager]: TermVariabe threadThread6of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:06:34,022 WARN L313 ript$VariableManager]: TermVariabe threadThread6of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:06:34,023 WARN L313 ript$VariableManager]: TermVariabe |threadThread6of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:06:34,023 WARN L313 ript$VariableManager]: TermVariabe |threadThread6of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:06:34,023 WARN L313 ript$VariableManager]: TermVariabe |threadThread6of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:06:34,024 WARN L313 ript$VariableManager]: TermVariabe |threadThread6of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:06:34,024 WARN L313 ript$VariableManager]: TermVariabe |threadThread3of6ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:06:34,024 WARN L313 ript$VariableManager]: TermVariabe |threadThread3of6ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:06:34,024 WARN L313 ript$VariableManager]: TermVariabe threadThread3of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:06:34,024 WARN L313 ript$VariableManager]: TermVariabe threadThread3of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:06:34,024 WARN L313 ript$VariableManager]: TermVariabe |threadThread3of6ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:06:34,025 WARN L313 ript$VariableManager]: TermVariabe |threadThread3of6ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:06:34,025 WARN L313 ript$VariableManager]: TermVariabe threadThread3of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:06:34,025 WARN L313 ript$VariableManager]: TermVariabe threadThread3of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:06:34,025 WARN L313 ript$VariableManager]: TermVariabe |threadThread3of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:06:34,025 WARN L313 ript$VariableManager]: TermVariabe |threadThread3of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:06:34,025 WARN L313 ript$VariableManager]: TermVariabe |threadThread3of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:06:34,025 WARN L313 ript$VariableManager]: TermVariabe |threadThread3of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:06:34,026 WARN L313 ript$VariableManager]: TermVariabe |threadThread4of6ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:06:34,026 WARN L313 ript$VariableManager]: TermVariabe |threadThread4of6ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:06:34,026 WARN L313 ript$VariableManager]: TermVariabe threadThread4of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:06:34,026 WARN L313 ript$VariableManager]: TermVariabe threadThread4of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:06:34,026 WARN L313 ript$VariableManager]: TermVariabe |threadThread4of6ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:06:34,026 WARN L313 ript$VariableManager]: TermVariabe |threadThread4of6ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:06:34,026 WARN L313 ript$VariableManager]: TermVariabe threadThread4of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:06:34,027 WARN L313 ript$VariableManager]: TermVariabe threadThread4of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:06:34,027 WARN L313 ript$VariableManager]: TermVariabe |threadThread4of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:06:34,027 WARN L313 ript$VariableManager]: TermVariabe |threadThread4of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:06:34,027 WARN L313 ript$VariableManager]: TermVariabe |threadThread4of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:06:34,027 WARN L313 ript$VariableManager]: TermVariabe |threadThread4of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:06:34,027 WARN L313 ript$VariableManager]: TermVariabe |threadThread2of6ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:06:34,027 WARN L313 ript$VariableManager]: TermVariabe |threadThread2of6ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:06:34,028 WARN L313 ript$VariableManager]: TermVariabe threadThread2of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:06:34,028 WARN L313 ript$VariableManager]: TermVariabe threadThread2of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:06:34,028 WARN L313 ript$VariableManager]: TermVariabe |threadThread2of6ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:06:34,028 WARN L313 ript$VariableManager]: TermVariabe |threadThread2of6ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:06:34,028 WARN L313 ript$VariableManager]: TermVariabe threadThread2of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:06:34,028 WARN L313 ript$VariableManager]: TermVariabe threadThread2of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:06:34,028 WARN L313 ript$VariableManager]: TermVariabe |threadThread2of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:06:34,028 WARN L313 ript$VariableManager]: TermVariabe |threadThread2of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:06:34,029 WARN L313 ript$VariableManager]: TermVariabe |threadThread2of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:06:34,029 WARN L313 ript$VariableManager]: TermVariabe |threadThread2of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:06:34,029 WARN L313 ript$VariableManager]: TermVariabe |threadThread5of6ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:06:34,029 WARN L313 ript$VariableManager]: TermVariabe |threadThread5of6ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:06:34,029 WARN L313 ript$VariableManager]: TermVariabe threadThread5of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:06:34,029 WARN L313 ript$VariableManager]: TermVariabe threadThread5of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:06:34,030 WARN L313 ript$VariableManager]: TermVariabe |threadThread5of6ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:06:34,030 WARN L313 ript$VariableManager]: TermVariabe |threadThread5of6ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:06:34,030 WARN L313 ript$VariableManager]: TermVariabe threadThread5of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:06:34,030 WARN L313 ript$VariableManager]: TermVariabe threadThread5of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:06:34,030 WARN L313 ript$VariableManager]: TermVariabe |threadThread5of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:06:34,030 WARN L313 ript$VariableManager]: TermVariabe |threadThread5of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:06:34,031 WARN L313 ript$VariableManager]: TermVariabe |threadThread5of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:06:34,031 WARN L313 ript$VariableManager]: TermVariabe |threadThread5of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:06:34,031 WARN L313 ript$VariableManager]: TermVariabe |threadThread1of6ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:06:34,031 WARN L313 ript$VariableManager]: TermVariabe |threadThread1of6ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:06:34,031 WARN L313 ript$VariableManager]: TermVariabe threadThread1of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:06:34,031 WARN L313 ript$VariableManager]: TermVariabe threadThread1of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:06:34,031 WARN L313 ript$VariableManager]: TermVariabe |threadThread1of6ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:06:34,031 WARN L313 ript$VariableManager]: TermVariabe |threadThread1of6ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:06:34,032 WARN L313 ript$VariableManager]: TermVariabe threadThread1of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:06:34,032 WARN L313 ript$VariableManager]: TermVariabe threadThread1of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:06:34,032 WARN L313 ript$VariableManager]: TermVariabe |threadThread1of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:06:34,032 WARN L313 ript$VariableManager]: TermVariabe |threadThread1of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:06:34,032 WARN L313 ript$VariableManager]: TermVariabe |threadThread1of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:06:34,032 WARN L313 ript$VariableManager]: TermVariabe |threadThread1of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:06:34,033 WARN L313 ript$VariableManager]: TermVariabe |threadThread1of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:06:34,033 WARN L313 ript$VariableManager]: TermVariabe |threadThread1of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:06:34,033 WARN L313 ript$VariableManager]: TermVariabe threadThread1of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:06:34,033 WARN L313 ript$VariableManager]: TermVariabe threadThread1of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:06:34,037 WARN L313 ript$VariableManager]: TermVariabe threadThread2of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:06:34,038 WARN L313 ript$VariableManager]: TermVariabe |threadThread2of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:06:34,038 WARN L313 ript$VariableManager]: TermVariabe |threadThread2of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:06:34,038 WARN L313 ript$VariableManager]: TermVariabe threadThread2of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:06:34,042 WARN L313 ript$VariableManager]: TermVariabe |threadThread3of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:06:34,043 WARN L313 ript$VariableManager]: TermVariabe threadThread3of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:06:34,043 WARN L313 ript$VariableManager]: TermVariabe |threadThread3of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:06:34,043 WARN L313 ript$VariableManager]: TermVariabe threadThread3of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:06:34,047 WARN L313 ript$VariableManager]: TermVariabe |threadThread4of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:06:34,048 WARN L313 ript$VariableManager]: TermVariabe |threadThread4of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:06:34,048 WARN L313 ript$VariableManager]: TermVariabe threadThread4of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:06:34,048 WARN L313 ript$VariableManager]: TermVariabe threadThread4of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:06:34,052 WARN L313 ript$VariableManager]: TermVariabe threadThread5of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:06:34,053 WARN L313 ript$VariableManager]: TermVariabe |threadThread5of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:06:34,053 WARN L313 ript$VariableManager]: TermVariabe threadThread5of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:06:34,053 WARN L313 ript$VariableManager]: TermVariabe |threadThread5of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:06:34,057 WARN L313 ript$VariableManager]: TermVariabe |threadThread6of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:06:34,057 WARN L313 ript$VariableManager]: TermVariabe threadThread6of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:06:34,058 WARN L313 ript$VariableManager]: TermVariabe |threadThread6of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:06:34,058 WARN L313 ript$VariableManager]: TermVariabe threadThread6of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:06:34,083 INFO L149 ThreadInstanceAdder]: Constructed 6 joinOtherThreadTransitions. [2021-04-28 15:06:34,084 INFO L253 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2021-04-28 15:06:34,092 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-04-28 15:06:34,092 INFO L377 AbstractCegarLoop]: Hoare is false [2021-04-28 15:06:34,092 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-04-28 15:06:34,092 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-04-28 15:06:34,093 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-04-28 15:06:34,093 INFO L381 AbstractCegarLoop]: Difference is false [2021-04-28 15:06:34,093 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-04-28 15:06:34,093 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-04-28 15:06:34,094 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 119 places, 119 transitions, 316 flow [2021-04-28 15:06:34,563 INFO L129 PetriNetUnfolder]: 400/2521 cut-off events. [2021-04-28 15:06:34,564 INFO L130 PetriNetUnfolder]: For 242/242 co-relation queries the response was YES. [2021-04-28 15:06:34,582 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2753 conditions, 2521 events. 400/2521 cut-off events. For 242/242 co-relation queries the response was YES. Maximal size of possible extension queue 67. Compared 17093 event pairs, 72 based on Foata normal form. 0/2121 useless extension candidates. Maximal degree in co-relation 1401. Up to 192 conditions per place. [2021-04-28 15:06:34,583 INFO L82 GeneralOperation]: Start removeDead. Operand has 119 places, 119 transitions, 316 flow [2021-04-28 15:06:34,600 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 112 places, 111 transitions, 300 flow [2021-04-28 15:06:34,601 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 15:06:34,601 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 112 places, 111 transitions, 300 flow [2021-04-28 15:06:34,602 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 112 places, 111 transitions, 300 flow [2021-04-28 15:06:34,603 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 112 places, 111 transitions, 300 flow [2021-04-28 15:06:34,893 INFO L129 PetriNetUnfolder]: 336/2009 cut-off events. [2021-04-28 15:06:34,893 INFO L130 PetriNetUnfolder]: For 242/242 co-relation queries the response was YES. [2021-04-28 15:06:34,906 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2241 conditions, 2009 events. 336/2009 cut-off events. For 242/242 co-relation queries the response was YES. Maximal size of possible extension queue 42. Compared 12397 event pairs, 72 based on Foata normal form. 0/1737 useless extension candidates. Maximal degree in co-relation 1145. Up to 192 conditions per place. [2021-04-28 15:06:34,955 INFO L146 LiptonReduction]: Number of co-enabled transitions 2808 [2021-04-28 15:06:37,542 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 35 [2021-04-28 15:06:42,539 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 30 [2021-04-28 15:06:43,757 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 45 [2021-04-28 15:06:43,886 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 45 [2021-04-28 15:06:44,012 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 45 [2021-04-28 15:06:44,141 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 45 [2021-04-28 15:06:48,430 WARN L205 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 35 [2021-04-28 15:06:51,342 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 35 [2021-04-28 15:06:54,484 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 41 [2021-04-28 15:06:54,588 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 41 [2021-04-28 15:07:05,344 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 41 [2021-04-28 15:07:05,490 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 41 [2021-04-28 15:07:05,596 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 41 [2021-04-28 15:07:05,701 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 41 [2021-04-28 15:07:05,804 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 41 [2021-04-28 15:07:06,255 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 18 DAG size of output: 16 [2021-04-28 15:07:06,578 WARN L205 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2021-04-28 15:07:06,764 WARN L205 SmtUtils]: Spent 182.00 ms on a formula simplification that was a NOOP. DAG size: 55 [2021-04-28 15:07:06,979 WARN L205 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2021-04-28 15:07:07,166 WARN L205 SmtUtils]: Spent 183.00 ms on a formula simplification that was a NOOP. DAG size: 55 [2021-04-28 15:07:07,883 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 41 [2021-04-28 15:07:08,089 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 41 [2021-04-28 15:07:08,408 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 16 DAG size of output: 14 [2021-04-28 15:07:08,665 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 41 [2021-04-28 15:07:08,768 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 41 [2021-04-28 15:07:08,872 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 41 [2021-04-28 15:07:09,798 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 31 [2021-04-28 15:07:09,906 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 31 [2021-04-28 15:07:10,014 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 31 [2021-04-28 15:07:10,122 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 31 [2021-04-28 15:07:10,254 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 35 [2021-04-28 15:07:10,383 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 35 [2021-04-28 15:07:10,517 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 35 [2021-04-28 15:07:10,647 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 35 [2021-04-28 15:07:10,807 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 41 [2021-04-28 15:07:10,912 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 41 [2021-04-28 15:07:11,116 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 41 [2021-04-28 15:07:11,325 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 41 [2021-04-28 15:07:11,429 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 41 [2021-04-28 15:07:11,532 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 41 [2021-04-28 15:07:11,741 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 41 [2021-04-28 15:07:11,946 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 41 [2021-04-28 15:07:12,050 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 41 [2021-04-28 15:07:12,254 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 41 [2021-04-28 15:07:13,107 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 29 [2021-04-28 15:07:13,215 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 29 [2021-04-28 15:07:13,354 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 29 [2021-04-28 15:07:13,462 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 29 [2021-04-28 15:07:22,738 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 41 [2021-04-28 15:07:22,941 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 41 [2021-04-28 15:07:23,044 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 41 [2021-04-28 15:07:23,353 WARN L205 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 20 DAG size of output: 18 [2021-04-28 15:07:23,729 WARN L205 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 21 DAG size of output: 19 [2021-04-28 15:07:24,080 WARN L205 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 21 DAG size of output: 19 [2021-04-28 15:07:25,622 WARN L205 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 57 [2021-04-28 15:07:25,811 WARN L205 SmtUtils]: Spent 185.00 ms on a formula simplification that was a NOOP. DAG size: 53 [2021-04-28 15:07:26,045 WARN L205 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 57 [2021-04-28 15:07:26,263 WARN L205 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 53 [2021-04-28 15:07:26,431 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 37 [2021-04-28 15:07:26,575 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 33 [2021-04-28 15:07:26,761 WARN L205 SmtUtils]: Spent 182.00 ms on a formula simplification that was a NOOP. DAG size: 37 [2021-04-28 15:07:26,916 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 33 [2021-04-28 15:07:27,239 WARN L205 SmtUtils]: Spent 319.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2021-04-28 15:07:27,513 WARN L205 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2021-04-28 15:07:27,837 WARN L205 SmtUtils]: Spent 320.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2021-04-28 15:07:28,109 WARN L205 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2021-04-28 15:07:28,461 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 41 [2021-04-28 15:07:30,278 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 15 DAG size of output: 13 [2021-04-28 15:07:30,584 WARN L205 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 51 [2021-04-28 15:07:30,789 WARN L205 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 47 [2021-04-28 15:07:31,013 WARN L205 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 51 [2021-04-28 15:07:31,213 WARN L205 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 47 [2021-04-28 15:07:31,422 WARN L205 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 47 [2021-04-28 15:07:31,600 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 43 [2021-04-28 15:07:31,812 WARN L205 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 47 [2021-04-28 15:07:31,999 WARN L205 SmtUtils]: Spent 184.00 ms on a formula simplification that was a NOOP. DAG size: 43 [2021-04-28 15:07:32,196 WARN L205 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 44 [2021-04-28 15:07:32,359 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 40 [2021-04-28 15:07:32,552 WARN L205 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 44 [2021-04-28 15:07:32,713 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 40 [2021-04-28 15:07:33,025 WARN L205 SmtUtils]: Spent 308.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 35 [2021-04-28 15:07:33,175 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 33 [2021-04-28 15:07:33,440 WARN L205 SmtUtils]: Spent 261.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 35 [2021-04-28 15:07:33,569 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 33 [2021-04-28 15:07:33,831 WARN L205 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 32 [2021-04-28 15:07:33,953 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 30 [2021-04-28 15:07:34,229 WARN L205 SmtUtils]: Spent 272.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 32 [2021-04-28 15:07:34,359 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 30 [2021-04-28 15:07:34,617 WARN L205 SmtUtils]: Spent 254.00 ms on a formula simplification. DAG size of input: 29 DAG size of output: 27 [2021-04-28 15:07:34,728 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 25 [2021-04-28 15:07:34,971 WARN L205 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 29 DAG size of output: 27 [2021-04-28 15:07:35,078 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 25 [2021-04-28 15:07:35,583 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 41 [2021-04-28 15:07:35,686 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 41 [2021-04-28 15:07:35,794 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 41 [2021-04-28 15:07:35,898 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 41 [2021-04-28 15:07:36,390 WARN L205 SmtUtils]: Spent 283.00 ms on a formula simplification. DAG size of input: 32 DAG size of output: 30 [2021-04-28 15:07:36,504 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 30 [2021-04-28 15:07:36,980 WARN L205 SmtUtils]: Spent 283.00 ms on a formula simplification. DAG size of input: 32 DAG size of output: 30 [2021-04-28 15:07:37,094 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 30 [2021-04-28 15:07:37,200 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 26 [2021-04-28 15:07:37,306 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 26 [2021-04-28 15:07:37,763 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 30 [2021-04-28 15:07:37,965 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 30 [2021-04-28 15:07:38,196 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 33 [2021-04-28 15:07:38,744 WARN L205 SmtUtils]: Spent 270.00 ms on a formula simplification. DAG size of input: 32 DAG size of output: 30 [2021-04-28 15:07:38,856 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 30 [2021-04-28 15:07:39,062 WARN L205 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2021-04-28 15:07:39,263 WARN L205 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2021-04-28 15:07:39,457 WARN L205 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2021-04-28 15:07:39,652 WARN L205 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2021-04-28 15:07:39,809 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 36 [2021-04-28 15:07:39,958 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 36 [2021-04-28 15:07:40,114 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 36 [2021-04-28 15:07:40,268 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 36 [2021-04-28 15:07:40,951 WARN L205 SmtUtils]: Spent 298.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-04-28 15:07:41,244 WARN L205 SmtUtils]: Spent 289.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-04-28 15:07:41,554 WARN L205 SmtUtils]: Spent 307.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-04-28 15:07:41,863 WARN L205 SmtUtils]: Spent 306.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-04-28 15:07:42,533 WARN L205 SmtUtils]: Spent 592.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 51 [2021-04-28 15:07:42,843 WARN L205 SmtUtils]: Spent 307.00 ms on a formula simplification that was a NOOP. DAG size: 49 [2021-04-28 15:07:43,436 WARN L205 SmtUtils]: Spent 590.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 51 [2021-04-28 15:07:43,723 WARN L205 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 49 [2021-04-28 15:07:43,987 WARN L205 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 32 [2021-04-28 15:07:44,110 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 30 [2021-04-28 15:07:44,399 WARN L205 SmtUtils]: Spent 286.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 32 [2021-04-28 15:07:44,514 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 30 [2021-04-28 15:07:45,091 WARN L205 SmtUtils]: Spent 573.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 47 [2021-04-28 15:07:45,348 WARN L205 SmtUtils]: Spent 254.00 ms on a formula simplification that was a NOOP. DAG size: 45 [2021-04-28 15:07:45,858 WARN L205 SmtUtils]: Spent 507.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 47 [2021-04-28 15:07:46,097 WARN L205 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 45 [2021-04-28 15:07:46,614 WARN L205 SmtUtils]: Spent 512.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 44 [2021-04-28 15:07:46,830 WARN L205 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 42 [2021-04-28 15:07:47,337 WARN L205 SmtUtils]: Spent 504.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 44 [2021-04-28 15:07:47,570 WARN L205 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 42 [2021-04-28 15:07:48,545 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 32 [2021-04-28 15:07:48,761 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 35 [2021-04-28 15:07:48,971 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 32 [2021-04-28 15:07:49,188 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 35 [2021-04-28 15:07:49,392 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 30 [2021-04-28 15:07:49,585 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 33 [2021-04-28 15:07:49,799 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 34 [2021-04-28 15:07:50,041 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 37 [2021-04-28 15:07:50,148 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 29 [2021-04-28 15:07:50,316 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 33 [2021-04-28 15:07:50,552 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 36 [2021-04-28 15:07:50,662 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 28 [2021-04-28 15:07:50,802 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 36 [2021-04-28 15:07:51,341 WARN L205 SmtUtils]: Spent 444.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 43 [2021-04-28 15:07:51,473 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 34 [2021-04-28 15:07:52,057 WARN L205 SmtUtils]: Spent 290.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2021-04-28 15:07:52,349 WARN L205 SmtUtils]: Spent 290.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2021-04-28 15:07:52,657 WARN L205 SmtUtils]: Spent 305.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2021-04-28 15:07:53,008 WARN L205 SmtUtils]: Spent 349.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2021-04-28 15:07:53,895 WARN L205 SmtUtils]: Spent 882.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 83 [2021-04-28 15:07:54,296 WARN L205 SmtUtils]: Spent 398.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2021-04-28 15:07:55,134 WARN L205 SmtUtils]: Spent 834.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 86 Received shutdown request... [2021-04-28 15:07:55,361 WARN L222 SmtUtils]: Removed 14 from assertion stack [2021-04-28 15:07:55,362 WARN L545 AbstractCegarLoop]: Verification canceled [2021-04-28 15:07:55,367 WARN L224 ceAbstractionStarter]: Timeout [2021-04-28 15:07:55,368 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.04 03:07:55 BasicIcfg [2021-04-28 15:07:55,368 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-04-28 15:07:55,369 INFO L168 Benchmark]: Toolchain (without parser) took 813460.95 ms. Allocated memory was 302.0 MB in the beginning and 364.9 MB in the end (delta: 62.9 MB). Free memory was 276.6 MB in the beginning and 222.2 MB in the end (delta: 54.5 MB). Peak memory consumption was 272.8 MB. Max. memory is 16.0 GB. [2021-04-28 15:07:55,370 INFO L168 Benchmark]: CDTParser took 0.84 ms. Allocated memory is still 302.0 MB. Free memory was 272.4 MB in the beginning and 272.3 MB in the end (delta: 64.3 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-04-28 15:07:55,370 INFO L168 Benchmark]: CACSL2BoogieTranslator took 965.51 ms. Allocated memory is still 302.0 MB. Free memory was 273.4 MB in the beginning and 243.5 MB in the end (delta: 29.9 MB). Peak memory consumption was 38.3 MB. Max. memory is 16.0 GB. [2021-04-28 15:07:55,370 INFO L168 Benchmark]: Boogie Procedure Inliner took 64.07 ms. Allocated memory is still 302.0 MB. Free memory was 243.5 MB in the beginning and 240.6 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-04-28 15:07:55,370 INFO L168 Benchmark]: Boogie Preprocessor took 40.43 ms. Allocated memory is still 302.0 MB. Free memory was 240.6 MB in the beginning and 239.5 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-04-28 15:07:55,371 INFO L168 Benchmark]: RCFGBuilder took 627.26 ms. Allocated memory is still 302.0 MB. Free memory was 239.5 MB in the beginning and 213.3 MB in the end (delta: 26.2 MB). Peak memory consumption was 25.2 MB. Max. memory is 16.0 GB. [2021-04-28 15:07:55,371 INFO L168 Benchmark]: TraceAbstraction took 811720.24 ms. Allocated memory was 302.0 MB in the beginning and 364.9 MB in the end (delta: 62.9 MB). Free memory was 212.2 MB in the beginning and 222.2 MB in the end (delta: -9.9 MB). Peak memory consumption was 209.3 MB. Max. memory is 16.0 GB. [2021-04-28 15:07:55,372 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.84 ms. Allocated memory is still 302.0 MB. Free memory was 272.4 MB in the beginning and 272.3 MB in the end (delta: 64.3 kB). There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 965.51 ms. Allocated memory is still 302.0 MB. Free memory was 273.4 MB in the beginning and 243.5 MB in the end (delta: 29.9 MB). Peak memory consumption was 38.3 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 64.07 ms. Allocated memory is still 302.0 MB. Free memory was 243.5 MB in the beginning and 240.6 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 40.43 ms. Allocated memory is still 302.0 MB. Free memory was 240.6 MB in the beginning and 239.5 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 627.26 ms. Allocated memory is still 302.0 MB. Free memory was 239.5 MB in the beginning and 213.3 MB in the end (delta: 26.2 MB). Peak memory consumption was 25.2 MB. Max. memory is 16.0 GB. * TraceAbstraction took 811720.24 ms. Allocated memory was 302.0 MB in the beginning and 364.9 MB in the end (delta: 62.9 MB). Free memory was 212.2 MB in the beginning and 222.2 MB in the end (delta: -9.9 MB). Peak memory consumption was 209.3 MB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 70237.0ms, 77 PlacesBefore, 95 PlacesAfterwards, 81 TransitionsBefore, 94 TransitionsAfterwards, 288 CoEnabledTransitionPairs, 8 FixpointIterations, 129 TrivialSequentialCompositions, 39 ConcurrentSequentialCompositions, 1 TrivialYvCompositions, 6 ConcurrentYvCompositions, 8 ChoiceCompositions, 183 TotalNumberOfCompositions, 684 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 481, positive: 401, positive conditional: 401, positive unconditional: 0, negative: 80, negative conditional: 80, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 264, positive: 248, positive conditional: 0, positive unconditional: 248, negative: 16, negative conditional: 0, negative unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 264, positive: 248, positive conditional: 0, positive unconditional: 248, negative: 16, negative conditional: 0, negative unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 264, positive: 248, positive conditional: 0, positive unconditional: 248, negative: 16, negative conditional: 0, negative unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 16, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 10, negative conditional: 0, negative unconditional: 10, unknown: 6, unknown conditional: 0, unknown unconditional: 6] , SemanticIndependenceRelation.Query Time [ms]: [ total: 13624, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 117, negative conditional: 0, negative unconditional: 117, unknown: 13507, unknown conditional: 0, unknown unconditional: 13507] ], Cache Queries: [ total: 481, positive: 153, positive conditional: 153, positive unconditional: 0, negative: 64, negative conditional: 64, negative unconditional: 0, unknown: 264, unknown conditional: 264, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 246, Positive cache size: 230, Positive conditional cache size: 230, Positive unconditional cache size: 0, Negative cache size: 16, Negative conditional cache size: 16, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 8.8ms, 95 PlacesBefore, 23 PlacesAfterwards, 19 TransitionsBefore, 19 TransitionsAfterwards, 88 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 32 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 16, positive: 8, positive conditional: 8, positive unconditional: 0, negative: 8, negative conditional: 8, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 16, positive: 8, positive conditional: 8, positive unconditional: 0, negative: 8, negative conditional: 8, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 246, Positive cache size: 230, Positive conditional cache size: 230, Positive unconditional cache size: 0, Negative cache size: 16, Negative conditional cache size: 16, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 100447.6ms, 84 PlacesBefore, 102 PlacesAfterwards, 87 TransitionsBefore, 100 TransitionsAfterwards, 712 CoEnabledTransitionPairs, 8 FixpointIterations, 123 TrivialSequentialCompositions, 49 ConcurrentSequentialCompositions, 1 TrivialYvCompositions, 6 ConcurrentYvCompositions, 8 ChoiceCompositions, 187 TotalNumberOfCompositions, 1554 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 870, positive: 788, positive conditional: 788, positive unconditional: 0, negative: 82, negative conditional: 82, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 531, positive: 511, positive conditional: 0, positive unconditional: 511, negative: 20, negative conditional: 0, negative unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 531, positive: 511, positive conditional: 0, positive unconditional: 511, negative: 20, negative conditional: 0, negative unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 531, positive: 510, positive conditional: 0, positive unconditional: 510, negative: 21, negative conditional: 0, negative unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 21, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 14, negative conditional: 0, negative unconditional: 14, unknown: 6, unknown conditional: 0, unknown unconditional: 6] , SemanticIndependenceRelation.Query Time [ms]: [ total: 19360, positive: 33, positive conditional: 0, positive unconditional: 33, negative: 168, negative conditional: 0, negative unconditional: 168, unknown: 19159, unknown conditional: 0, unknown unconditional: 19159] ], Cache Queries: [ total: 870, positive: 277, positive conditional: 277, positive unconditional: 0, negative: 62, negative conditional: 62, negative unconditional: 0, unknown: 531, unknown conditional: 531, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 505, Positive cache size: 485, Positive conditional cache size: 485, Positive unconditional cache size: 0, Negative cache size: 20, Negative conditional cache size: 20, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 12.9ms, 102 PlacesBefore, 30 PlacesAfterwards, 26 TransitionsBefore, 26 TransitionsAfterwards, 256 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 64 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 8, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 8, negative conditional: 8, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 8, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 8, negative conditional: 8, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 505, Positive cache size: 485, Positive conditional cache size: 485, Positive unconditional cache size: 0, Negative cache size: 20, Negative conditional cache size: 20, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 13.6ms, 33 PlacesBefore, 33 PlacesAfterwards, 28 TransitionsBefore, 28 TransitionsAfterwards, 272 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 64 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 8, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 8, negative conditional: 8, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 8, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 8, negative conditional: 8, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 505, Positive cache size: 485, Positive conditional cache size: 485, Positive unconditional cache size: 0, Negative cache size: 20, Negative conditional cache size: 20, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 137276.7ms, 91 PlacesBefore, 109 PlacesAfterwards, 93 TransitionsBefore, 106 TransitionsAfterwards, 1152 CoEnabledTransitionPairs, 8 FixpointIterations, 123 TrivialSequentialCompositions, 53 ConcurrentSequentialCompositions, 1 TrivialYvCompositions, 6 ConcurrentYvCompositions, 8 ChoiceCompositions, 191 TotalNumberOfCompositions, 2418 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 1275, positive: 1191, positive conditional: 1191, positive unconditional: 0, negative: 84, negative conditional: 84, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 893, positive: 875, positive conditional: 0, positive unconditional: 875, negative: 18, negative conditional: 0, negative unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 893, positive: 875, positive conditional: 0, positive unconditional: 875, negative: 18, negative conditional: 0, negative unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 893, positive: 875, positive conditional: 0, positive unconditional: 875, negative: 18, negative conditional: 0, negative unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 18, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 13, negative conditional: 0, negative unconditional: 13, unknown: 5, unknown conditional: 0, unknown unconditional: 5] , SemanticIndependenceRelation.Query Time [ms]: [ total: 18158, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 284, negative conditional: 0, negative unconditional: 284, unknown: 17874, unknown conditional: 0, unknown unconditional: 17874] ], Cache Queries: [ total: 1275, positive: 316, positive conditional: 316, positive unconditional: 0, negative: 66, negative conditional: 66, negative unconditional: 0, unknown: 893, unknown conditional: 893, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 845, Positive cache size: 827, Positive conditional cache size: 827, Positive unconditional cache size: 0, Negative cache size: 18, Negative conditional cache size: 18, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 18.0ms, 109 PlacesBefore, 37 PlacesAfterwards, 32 TransitionsBefore, 32 TransitionsAfterwards, 464 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 96 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 8, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 8, negative conditional: 8, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 8, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 8, negative conditional: 8, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 845, Positive cache size: 827, Positive conditional cache size: 827, Positive unconditional cache size: 0, Negative cache size: 18, Negative conditional cache size: 18, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 23.8ms, 40 PlacesBefore, 40 PlacesAfterwards, 33 TransitionsBefore, 33 TransitionsAfterwards, 480 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 96 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 8, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 8, negative conditional: 8, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 8, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 8, negative conditional: 8, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 845, Positive cache size: 827, Positive conditional cache size: 827, Positive unconditional cache size: 0, Negative cache size: 18, Negative conditional cache size: 18, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 41.1ms, 43 PlacesBefore, 43 PlacesAfterwards, 33 TransitionsBefore, 33 TransitionsAfterwards, 480 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 96 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 8, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 8, negative conditional: 8, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 8, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 8, negative conditional: 8, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 845, Positive cache size: 827, Positive conditional cache size: 827, Positive unconditional cache size: 0, Negative cache size: 18, Negative conditional cache size: 18, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 182504.1ms, 98 PlacesBefore, 116 PlacesAfterwards, 99 TransitionsBefore, 112 TransitionsAfterwards, 1648 CoEnabledTransitionPairs, 8 FixpointIterations, 123 TrivialSequentialCompositions, 57 ConcurrentSequentialCompositions, 1 TrivialYvCompositions, 6 ConcurrentYvCompositions, 8 ChoiceCompositions, 195 TotalNumberOfCompositions, 3354 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 1795, positive: 1709, positive conditional: 1709, positive unconditional: 0, negative: 86, negative conditional: 86, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1289, positive: 1269, positive conditional: 0, positive unconditional: 1269, negative: 20, negative conditional: 0, negative unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1289, positive: 1269, positive conditional: 0, positive unconditional: 1269, negative: 20, negative conditional: 0, negative unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1289, positive: 1269, positive conditional: 0, positive unconditional: 1269, negative: 20, negative conditional: 0, negative unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 20, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 14, negative conditional: 0, negative unconditional: 14, unknown: 6, unknown conditional: 0, unknown unconditional: 6] , SemanticIndependenceRelation.Query Time [ms]: [ total: 21159, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 311, negative conditional: 0, negative unconditional: 311, unknown: 20849, unknown conditional: 0, unknown unconditional: 20849] ], Cache Queries: [ total: 1795, positive: 440, positive conditional: 440, positive unconditional: 0, negative: 66, negative conditional: 66, negative unconditional: 0, unknown: 1289, unknown conditional: 1289, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1223, Positive cache size: 1203, Positive conditional cache size: 1203, Positive unconditional cache size: 0, Negative cache size: 20, Negative conditional cache size: 20, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2307.6ms, 116 PlacesBefore, 44 PlacesAfterwards, 38 TransitionsBefore, 38 TransitionsAfterwards, 728 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 128 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 8, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 8, negative conditional: 8, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 5, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 5, negative conditional: 0, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 5, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 5, negative conditional: 0, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 5, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 5, negative conditional: 0, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 5, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 1, unknown conditional: 0, unknown unconditional: 1] , SemanticIndependenceRelation.Query Time [ms]: [ total: 2274, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 164, negative conditional: 0, negative unconditional: 164, unknown: 2110, unknown conditional: 0, unknown unconditional: 2110] ], Cache Queries: [ total: 8, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 3, negative conditional: 3, negative unconditional: 0, unknown: 5, unknown conditional: 5, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1228, Positive cache size: 1203, Positive conditional cache size: 1203, Positive unconditional cache size: 0, Negative cache size: 25, Negative conditional cache size: 25, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 43.8ms, 47 PlacesBefore, 47 PlacesAfterwards, 40 TransitionsBefore, 40 TransitionsAfterwards, 792 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 128 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 8, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 8, negative conditional: 8, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 8, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 8, negative conditional: 8, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1228, Positive cache size: 1203, Positive conditional cache size: 1203, Positive unconditional cache size: 0, Negative cache size: 25, Negative conditional cache size: 25, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 38.9ms, 50 PlacesBefore, 50 PlacesAfterwards, 41 TransitionsBefore, 41 TransitionsAfterwards, 808 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 128 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 8, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 8, negative conditional: 8, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 8, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 8, negative conditional: 8, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1228, Positive cache size: 1203, Positive conditional cache size: 1203, Positive unconditional cache size: 0, Negative cache size: 25, Negative conditional cache size: 25, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2145.0ms, 53 PlacesBefore, 53 PlacesAfterwards, 42 TransitionsBefore, 42 TransitionsAfterwards, 832 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 128 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 8, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 8, negative conditional: 8, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 1, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 1, unknown conditional: 0, unknown unconditional: 1] , SemanticIndependenceRelation.Query Time [ms]: [ total: 2101, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 2101, unknown conditional: 0, unknown unconditional: 2101] ], Cache Queries: [ total: 8, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 7, negative conditional: 7, negative unconditional: 0, unknown: 1, unknown conditional: 1, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1229, Positive cache size: 1203, Positive conditional cache size: 1203, Positive unconditional cache size: 0, Negative cache size: 26, Negative conditional cache size: 26, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 217349.2ms, 105 PlacesBefore, 123 PlacesAfterwards, 105 TransitionsBefore, 118 TransitionsAfterwards, 2200 CoEnabledTransitionPairs, 8 FixpointIterations, 123 TrivialSequentialCompositions, 61 ConcurrentSequentialCompositions, 1 TrivialYvCompositions, 6 ConcurrentYvCompositions, 8 ChoiceCompositions, 199 TotalNumberOfCompositions, 4350 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 2558, positive: 2470, positive conditional: 2470, positive unconditional: 0, negative: 88, negative conditional: 88, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1811, positive: 1790, positive conditional: 0, positive unconditional: 1790, negative: 21, negative conditional: 0, negative unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1811, positive: 1790, positive conditional: 0, positive unconditional: 1790, negative: 21, negative conditional: 0, negative unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1811, positive: 1790, positive conditional: 0, positive unconditional: 1790, negative: 21, negative conditional: 0, negative unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 21, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 15, negative conditional: 0, negative unconditional: 15, unknown: 6, unknown conditional: 0, unknown unconditional: 6] , SemanticIndependenceRelation.Query Time [ms]: [ total: 23953, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 405, negative conditional: 0, negative unconditional: 405, unknown: 23549, unknown conditional: 0, unknown unconditional: 23549] ], Cache Queries: [ total: 2558, positive: 680, positive conditional: 680, positive unconditional: 0, negative: 67, negative conditional: 67, negative unconditional: 0, unknown: 1811, unknown conditional: 1811, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1721, Positive cache size: 1700, Positive conditional cache size: 1700, Positive unconditional cache size: 0, Negative cache size: 21, Negative conditional cache size: 21, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 55.5ms, 123 PlacesBefore, 51 PlacesAfterwards, 44 TransitionsBefore, 44 TransitionsAfterwards, 1048 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 160 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 23, positive: 15, positive conditional: 15, positive unconditional: 0, negative: 8, negative conditional: 8, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 23, positive: 15, positive conditional: 15, positive unconditional: 0, negative: 8, negative conditional: 8, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1721, Positive cache size: 1700, Positive conditional cache size: 1700, Positive unconditional cache size: 0, Negative cache size: 21, Negative conditional cache size: 21, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 69.8ms, 54 PlacesBefore, 54 PlacesAfterwards, 46 TransitionsBefore, 46 TransitionsAfterwards, 1128 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 160 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 24, positive: 16, positive conditional: 16, positive unconditional: 0, negative: 8, negative conditional: 8, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 24, positive: 16, positive conditional: 16, positive unconditional: 0, negative: 8, negative conditional: 8, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1721, Positive cache size: 1700, Positive conditional cache size: 1700, Positive unconditional cache size: 0, Negative cache size: 21, Negative conditional cache size: 21, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 71.9ms, 57 PlacesBefore, 57 PlacesAfterwards, 47 TransitionsBefore, 47 TransitionsAfterwards, 1144 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 160 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 23, positive: 15, positive conditional: 15, positive unconditional: 0, negative: 8, negative conditional: 8, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 23, positive: 15, positive conditional: 15, positive unconditional: 0, negative: 8, negative conditional: 8, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1721, Positive cache size: 1700, Positive conditional cache size: 1700, Positive unconditional cache size: 0, Negative cache size: 21, Negative conditional cache size: 21, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 66.3ms, 60 PlacesBefore, 60 PlacesAfterwards, 48 TransitionsBefore, 48 TransitionsAfterwards, 1168 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 160 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 23, positive: 15, positive conditional: 15, positive unconditional: 0, negative: 8, negative conditional: 8, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 23, positive: 15, positive conditional: 15, positive unconditional: 0, negative: 8, negative conditional: 8, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1721, Positive cache size: 1700, Positive conditional cache size: 1700, Positive unconditional cache size: 0, Negative cache size: 21, Negative conditional cache size: 21, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 63.5ms, 63 PlacesBefore, 63 PlacesAfterwards, 49 TransitionsBefore, 49 TransitionsAfterwards, 1200 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 160 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 23, positive: 15, positive conditional: 15, positive unconditional: 0, negative: 8, negative conditional: 8, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 23, positive: 15, positive conditional: 15, positive unconditional: 0, negative: 8, negative conditional: 8, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1721, Positive cache size: 1700, Positive conditional cache size: 1700, Positive unconditional cache size: 0, Negative cache size: 21, Negative conditional cache size: 21, Negative unconditional cache size: 0 - TimeoutResultAtElement [Line: 1111]: Timeout (TraceAbstraction) Unable to prove that call to reach_error is unreachable (line 1111). Cancelled while CegarLoopForPetriNetWithRepeatedLiptonReduction was constructing initial abstraction,while PetriNetLargeBlockEncoding was applying PetriNetLargeBlockEncoding to Petri net that has 112 places, 111 transitions, 300 flow,while LiptonReduction was applying LiptonReduction to Petri net that has 112 places, 111 transitions, 300 flow and 2952 co-enabled transitions pairs.,while SimplifyDDAWithTimeout was simplifying term of DAG size 86 for 220ms.. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 81 locations, 1 error locations. Started 6 CEGAR loops. EmptinessCheckTime: 73.0ms, RemoveRedundantFlowTime: 0.0ms, RemoveRedundantFlowUnfoldingTime: 0.0ms, BackfoldingTime: 0.0ms, BackfoldingUnfoldingTime: 0.0ms, FlowIncreaseByBackfolding: 0, BasicCegarLoop: VerificationResult: UNSAFE, OverallTime: 811247.2ms, OverallIterations: 20, TraceHistogramMax: 6, EmptinessCheckTime: 0.0ms, AutomataDifference: 7164.4ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 789787.6ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 349 SDtfs, 138 SDslu, 0 SDs, 0 SdLazy, 683 SolverSat, 32 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2119.7ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 156 GetRequests, 107 SyntacticMatches, 0 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 1745.9ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=296occurred in iteration=0, InterpolantAutomatonStates: 60, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 136.8ms SsaConstructionTime, 614.8ms SatisfiabilityAnalysisTime, 5665.0ms InterpolantComputationTime, 378 NumberOfCodeBlocks, 378 NumberOfCodeBlocksAsserted, 27 NumberOfCheckSat, 261 ConstructedInterpolants, 0 QuantifiedInterpolants, 1083 SizeOfPredicates, 7 NumberOfNonLiveVariables, 879 ConjunctsInSsa, 33 ConjunctsInUnsatCore, 22 InterpolantComputations, 8 PerfectInterpolantSequences, 23/107 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown