./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/recursive-simple/fibo_2calls_2-1.c --full-output -ea --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 03d7b7b3 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -ea -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i ../sv-benchmarks/c/recursive-simple/fibo_2calls_2-1.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 2c47a69833f1a958e38c27482b535b2d176258e52297f9899a8926a996c05520 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-03d7b7b [2022-02-21 04:19:39,977 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-21 04:19:39,980 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-21 04:19:40,016 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-02-21 04:19:40,017 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-02-21 04:19:40,019 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-02-21 04:19:40,020 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-02-21 04:19:40,021 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-02-21 04:19:40,023 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-02-21 04:19:40,024 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-02-21 04:19:40,025 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-02-21 04:19:40,026 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-02-21 04:19:40,027 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-21 04:19:40,029 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-21 04:19:40,031 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-21 04:19:40,032 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-21 04:19:40,033 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-21 04:19:40,037 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-21 04:19:40,039 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-21 04:19:40,042 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-21 04:19:40,045 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-21 04:19:40,047 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-21 04:19:40,048 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-21 04:19:40,049 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-21 04:19:40,053 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-02-21 04:19:40,055 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-02-21 04:19:40,057 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-02-21 04:19:40,058 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-02-21 04:19:40,059 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-02-21 04:19:40,059 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-02-21 04:19:40,060 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-02-21 04:19:40,060 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-02-21 04:19:40,061 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-02-21 04:19:40,062 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-02-21 04:19:40,063 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-02-21 04:19:40,064 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-02-21 04:19:40,065 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-02-21 04:19:40,065 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-02-21 04:19:40,065 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-21 04:19:40,066 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-21 04:19:40,066 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-21 04:19:40,067 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2022-02-21 04:19:40,088 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-21 04:19:40,089 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-21 04:19:40,091 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-21 04:19:40,091 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-21 04:19:40,092 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-21 04:19:40,093 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-21 04:19:40,093 INFO L138 SettingsManager]: * Use SBE=true [2022-02-21 04:19:40,093 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-02-21 04:19:40,093 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-02-21 04:19:40,093 INFO L138 SettingsManager]: * Use old map elimination=false [2022-02-21 04:19:40,094 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-02-21 04:19:40,094 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-02-21 04:19:40,094 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-02-21 04:19:40,095 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-21 04:19:40,095 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-21 04:19:40,095 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-02-21 04:19:40,095 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-21 04:19:40,095 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-21 04:19:40,096 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-21 04:19:40,096 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-02-21 04:19:40,096 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-02-21 04:19:40,096 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-02-21 04:19:40,096 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-21 04:19:40,097 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-21 04:19:40,097 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-02-21 04:19:40,097 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-21 04:19:40,097 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-02-21 04:19:40,097 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-21 04:19:40,098 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-21 04:19:40,098 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-21 04:19:40,098 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-21 04:19:40,099 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-02-21 04:19:40,099 INFO L138 SettingsManager]: * TransformationType=MODULO_NEIGHBOR 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2c47a69833f1a958e38c27482b535b2d176258e52297f9899a8926a996c05520 [2022-02-21 04:19:40,352 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-21 04:19:40,372 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-21 04:19:40,374 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-21 04:19:40,376 INFO L271 PluginConnector]: Initializing CDTParser... [2022-02-21 04:19:40,376 INFO L275 PluginConnector]: CDTParser initialized [2022-02-21 04:19:40,377 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/recursive-simple/fibo_2calls_2-1.c [2022-02-21 04:19:40,446 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/030f84cc5/74e0593a08ef4956aac297207f23644e/FLAG0bc4ba842 [2022-02-21 04:19:40,869 INFO L306 CDTParser]: Found 1 translation units. [2022-02-21 04:19:40,870 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/recursive-simple/fibo_2calls_2-1.c [2022-02-21 04:19:40,886 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/030f84cc5/74e0593a08ef4956aac297207f23644e/FLAG0bc4ba842 [2022-02-21 04:19:41,280 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/030f84cc5/74e0593a08ef4956aac297207f23644e [2022-02-21 04:19:41,283 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-21 04:19:41,285 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-02-21 04:19:41,287 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-02-21 04:19:41,287 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-02-21 04:19:41,290 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-02-21 04:19:41,291 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.02 04:19:41" (1/1) ... [2022-02-21 04:19:41,293 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@b8087b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:19:41, skipping insertion in model container [2022-02-21 04:19:41,293 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.02 04:19:41" (1/1) ... [2022-02-21 04:19:41,299 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-02-21 04:19:41,316 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-02-21 04:19:41,465 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/recursive-simple/fibo_2calls_2-1.c[946,959] [2022-02-21 04:19:41,466 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-21 04:19:41,474 INFO L203 MainTranslator]: Completed pre-run [2022-02-21 04:19:41,485 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/recursive-simple/fibo_2calls_2-1.c[946,959] [2022-02-21 04:19:41,486 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-21 04:19:41,497 INFO L208 MainTranslator]: Completed translation [2022-02-21 04:19:41,498 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:19:41 WrapperNode [2022-02-21 04:19:41,498 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-02-21 04:19:41,499 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-21 04:19:41,499 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-21 04:19:41,499 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-21 04:19:41,505 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:19:41" (1/1) ... [2022-02-21 04:19:41,510 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:19:41" (1/1) ... [2022-02-21 04:19:41,522 INFO L137 Inliner]: procedures = 14, calls = 12, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 20 [2022-02-21 04:19:41,522 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-21 04:19:41,523 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-21 04:19:41,523 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-21 04:19:41,523 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-21 04:19:41,529 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:19:41" (1/1) ... [2022-02-21 04:19:41,530 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:19:41" (1/1) ... [2022-02-21 04:19:41,532 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:19:41" (1/1) ... [2022-02-21 04:19:41,532 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:19:41" (1/1) ... [2022-02-21 04:19:41,538 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:19:41" (1/1) ... [2022-02-21 04:19:41,540 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:19:41" (1/1) ... [2022-02-21 04:19:41,541 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:19:41" (1/1) ... [2022-02-21 04:19:41,542 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-21 04:19:41,542 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-21 04:19:41,542 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-21 04:19:41,543 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-21 04:19:41,543 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:19:41" (1/1) ... [2022-02-21 04:19:41,555 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 04:19:41,564 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 04:19:41,588 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-02-21 04:19:41,611 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-02-21 04:19:41,635 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-02-21 04:19:41,635 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-02-21 04:19:41,636 INFO L130 BoogieDeclarations]: Found specification of procedure fibo2 [2022-02-21 04:19:41,636 INFO L138 BoogieDeclarations]: Found implementation of procedure fibo2 [2022-02-21 04:19:41,636 INFO L130 BoogieDeclarations]: Found specification of procedure fibo1 [2022-02-21 04:19:41,636 INFO L138 BoogieDeclarations]: Found implementation of procedure fibo1 [2022-02-21 04:19:41,636 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-21 04:19:41,636 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-21 04:19:41,691 INFO L234 CfgBuilder]: Building ICFG [2022-02-21 04:19:41,692 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-21 04:19:41,853 INFO L275 CfgBuilder]: Performing block encoding [2022-02-21 04:19:41,859 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-21 04:19:41,859 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-02-21 04:19:41,860 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.02 04:19:41 BoogieIcfgContainer [2022-02-21 04:19:41,861 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-21 04:19:41,861 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-02-21 04:19:41,861 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-02-21 04:19:41,865 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-02-21 04:19:41,865 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-02-21 04:19:41,866 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 21.02 04:19:41" (1/3) ... [2022-02-21 04:19:41,880 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3f0cd4f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 21.02 04:19:41, skipping insertion in model container [2022-02-21 04:19:41,880 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-02-21 04:19:41,880 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:19:41" (2/3) ... [2022-02-21 04:19:41,881 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3f0cd4f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 21.02 04:19:41, skipping insertion in model container [2022-02-21 04:19:41,881 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-02-21 04:19:41,881 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.02 04:19:41" (3/3) ... [2022-02-21 04:19:41,882 INFO L388 chiAutomizerObserver]: Analyzing ICFG fibo_2calls_2-1.c [2022-02-21 04:19:41,950 INFO L359 BuchiCegarLoop]: Interprodecural is true [2022-02-21 04:19:41,950 INFO L360 BuchiCegarLoop]: Hoare is false [2022-02-21 04:19:41,950 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-02-21 04:19:41,950 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-02-21 04:19:41,950 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-02-21 04:19:41,951 INFO L364 BuchiCegarLoop]: Difference is false [2022-02-21 04:19:41,951 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-02-21 04:19:41,951 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2022-02-21 04:19:41,967 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 26 states, 18 states have (on average 1.2777777777777777) internal successors, (23), 18 states have internal predecessors, (23), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2022-02-21 04:19:41,991 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 10 [2022-02-21 04:19:41,991 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-02-21 04:19:41,992 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-02-21 04:19:41,996 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2022-02-21 04:19:41,996 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-02-21 04:19:41,996 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2022-02-21 04:19:41,997 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 26 states, 18 states have (on average 1.2777777777777777) internal successors, (23), 18 states have internal predecessors, (23), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2022-02-21 04:19:42,005 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 10 [2022-02-21 04:19:42,006 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-02-21 04:19:42,006 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-02-21 04:19:42,006 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2022-02-21 04:19:42,006 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-02-21 04:19:42,012 INFO L791 eck$LassoCheckResult]: Stem: 16#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(18, 2);call #Ultimate.allocInit(12, 3); 7#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret8#1, main_~x~0#1, main_~result~0#1;main_~x~0#1 := 2; 15#L39true call main_#t~ret8#1 := fibo1(main_~x~0#1);< 5#fibo1ENTRYtrue [2022-02-21 04:19:42,013 INFO L793 eck$LassoCheckResult]: Loop: 5#fibo1ENTRYtrue ~n := #in~n; 9#L10true assume !(~n < 1); 8#L12true assume !(1 == ~n); 10#L15true call #t~ret4 := fibo2(~n - 1);< 14#fibo2ENTRYtrue ~n := #in~n; 12#L20true assume !(~n < 1); 17#L22true assume !(1 == ~n); 23#L25true call #t~ret6 := fibo1(~n - 1);< 5#fibo1ENTRYtrue [2022-02-21 04:19:42,022 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-21 04:19:42,023 INFO L85 PathProgramCache]: Analyzing trace with hash 29896, now seen corresponding path program 1 times [2022-02-21 04:19:42,036 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-21 04:19:42,036 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [376910779] [2022-02-21 04:19:42,037 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-21 04:19:42,037 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-21 04:19:42,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 04:19:42,142 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-21 04:19:42,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 04:19:42,182 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-02-21 04:19:42,186 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-21 04:19:42,187 INFO L85 PathProgramCache]: Analyzing trace with hash 181289832, now seen corresponding path program 1 times [2022-02-21 04:19:42,187 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-21 04:19:42,188 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [713824533] [2022-02-21 04:19:42,188 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-21 04:19:42,189 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-21 04:19:42,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 04:19:42,214 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-21 04:19:42,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 04:19:42,244 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-02-21 04:19:42,245 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-21 04:19:42,246 INFO L85 PathProgramCache]: Analyzing trace with hash 1313669423, now seen corresponding path program 1 times [2022-02-21 04:19:42,246 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-21 04:19:42,246 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [847539299] [2022-02-21 04:19:42,246 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-21 04:19:42,246 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-21 04:19:42,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-21 04:19:42,451 INFO L290 TraceCheckUtils]: 0: Hoare triple {34#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(18, 2);call #Ultimate.allocInit(12, 3); {34#true} is VALID [2022-02-21 04:19:42,452 INFO L290 TraceCheckUtils]: 1: Hoare triple {34#true} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret8#1, main_~x~0#1, main_~result~0#1;main_~x~0#1 := 2; {36#(= 2 |ULTIMATE.start_main_~x~0#1|)} is VALID [2022-02-21 04:19:42,453 INFO L272 TraceCheckUtils]: 2: Hoare triple {36#(= 2 |ULTIMATE.start_main_~x~0#1|)} call main_#t~ret8#1 := fibo1(main_~x~0#1); {37#(= 2 |fibo1_#in~n|)} is VALID [2022-02-21 04:19:42,453 INFO L290 TraceCheckUtils]: 3: Hoare triple {37#(= 2 |fibo1_#in~n|)} ~n := #in~n; {38#(= (+ (- 2) fibo1_~n) 0)} is VALID [2022-02-21 04:19:42,456 INFO L290 TraceCheckUtils]: 4: Hoare triple {38#(= (+ (- 2) fibo1_~n) 0)} assume !(~n < 1); {38#(= (+ (- 2) fibo1_~n) 0)} is VALID [2022-02-21 04:19:42,459 INFO L290 TraceCheckUtils]: 5: Hoare triple {38#(= (+ (- 2) fibo1_~n) 0)} assume !(1 == ~n); {38#(= (+ (- 2) fibo1_~n) 0)} is VALID [2022-02-21 04:19:42,460 INFO L272 TraceCheckUtils]: 6: Hoare triple {38#(= (+ (- 2) fibo1_~n) 0)} call #t~ret4 := fibo2(~n - 1); {39#(<= |fibo2_#in~n| 1)} is VALID [2022-02-21 04:19:42,461 INFO L290 TraceCheckUtils]: 7: Hoare triple {39#(<= |fibo2_#in~n| 1)} ~n := #in~n; {40#(<= fibo2_~n 1)} is VALID [2022-02-21 04:19:42,462 INFO L290 TraceCheckUtils]: 8: Hoare triple {40#(<= fibo2_~n 1)} assume !(~n < 1); {41#(and (< 0 fibo2_~n) (<= fibo2_~n 1))} is VALID [2022-02-21 04:19:42,463 INFO L290 TraceCheckUtils]: 9: Hoare triple {41#(and (< 0 fibo2_~n) (<= fibo2_~n 1))} assume !(1 == ~n); {35#false} is VALID [2022-02-21 04:19:42,463 INFO L272 TraceCheckUtils]: 10: Hoare triple {35#false} call #t~ret6 := fibo1(~n - 1); {35#false} is VALID [2022-02-21 04:19:42,464 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-21 04:19:42,464 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-21 04:19:42,465 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [847539299] [2022-02-21 04:19:42,466 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [847539299] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-21 04:19:42,466 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-21 04:19:42,466 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-02-21 04:19:42,467 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [719742051] [2022-02-21 04:19:42,467 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-21 04:19:42,791 INFO L210 LassoAnalysis]: Preferences: [2022-02-21 04:19:42,792 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-02-21 04:19:42,792 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-02-21 04:19:42,792 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-02-21 04:19:42,793 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-02-21 04:19:42,793 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 04:19:42,793 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-02-21 04:19:42,793 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-02-21 04:19:42,793 INFO L133 ssoRankerPreferences]: Filename of dumped script: fibo_2calls_2-1.c_Iteration1_Loop [2022-02-21 04:19:42,794 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-02-21 04:19:42,794 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-02-21 04:19:42,806 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-02-21 04:19:42,812 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-02-21 04:19:42,815 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-02-21 04:19:42,819 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-02-21 04:19:42,821 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-02-21 04:19:42,824 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-02-21 04:19:42,827 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-02-21 04:19:42,830 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-02-21 04:19:42,833 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-02-21 04:19:42,842 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-02-21 04:19:42,948 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-02-21 04:19:42,951 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-02-21 04:19:42,953 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 04:19:42,953 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 04:19:42,954 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-02-21 04:19:42,956 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2022-02-21 04:19:42,957 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-02-21 04:19:42,958 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-02-21 04:19:42,987 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-02-21 04:19:42,987 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {fibo2_#res=0} Honda state: {fibo2_#res=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-02-21 04:19:43,015 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2022-02-21 04:19:43,016 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 04:19:43,016 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 04:19:43,018 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-02-21 04:19:43,019 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2022-02-21 04:19:43,022 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-02-21 04:19:43,023 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-02-21 04:19:43,040 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-02-21 04:19:43,040 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {fibo1_#res=0} Honda state: {fibo1_#res=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-02-21 04:19:43,066 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2022-02-21 04:19:43,067 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 04:19:43,067 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 04:19:43,068 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-02-21 04:19:43,071 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2022-02-21 04:19:43,084 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-02-21 04:19:43,084 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-02-21 04:19:43,105 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-02-21 04:19:43,105 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {fibo2_~n=0} Honda state: {fibo2_~n=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-02-21 04:19:43,132 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2022-02-21 04:19:43,132 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 04:19:43,132 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 04:19:43,134 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-02-21 04:19:43,136 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2022-02-21 04:19:43,137 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-02-21 04:19:43,137 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-02-21 04:19:43,158 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-02-21 04:19:43,159 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {fibo1_#t~ret4=0} Honda state: {fibo1_#t~ret4=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-02-21 04:19:43,183 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2022-02-21 04:19:43,183 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 04:19:43,184 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 04:19:43,191 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-02-21 04:19:43,192 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2022-02-21 04:19:43,193 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-02-21 04:19:43,193 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-02-21 04:19:43,211 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-02-21 04:19:43,212 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {fibo2_#t~ret6=0} Honda state: {fibo2_#t~ret6=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-02-21 04:19:43,230 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2022-02-21 04:19:43,231 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 04:19:43,231 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 04:19:43,232 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-02-21 04:19:43,233 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2022-02-21 04:19:43,235 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-02-21 04:19:43,235 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-02-21 04:19:43,267 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-02-21 04:19:43,267 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {fibo1_~n=0} Honda state: {fibo1_~n=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-02-21 04:19:43,292 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2022-02-21 04:19:43,293 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 04:19:43,293 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 04:19:43,295 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-02-21 04:19:43,302 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-02-21 04:19:43,302 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-02-21 04:19:43,315 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2022-02-21 04:19:43,332 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-02-21 04:19:43,332 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {fibo1_#t~ret5=0} Honda state: {fibo1_#t~ret5=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-02-21 04:19:43,349 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2022-02-21 04:19:43,349 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 04:19:43,349 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 04:19:43,350 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-02-21 04:19:43,351 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2022-02-21 04:19:43,353 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-02-21 04:19:43,353 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-02-21 04:19:43,375 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-02-21 04:19:43,375 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {fibo2_#t~ret7=0} Honda state: {fibo2_#t~ret7=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-02-21 04:19:43,403 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2022-02-21 04:19:43,405 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 04:19:43,405 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 04:19:43,406 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-02-21 04:19:43,419 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-02-21 04:19:43,419 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-02-21 04:19:43,429 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2022-02-21 04:19:43,469 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2022-02-21 04:19:43,470 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 04:19:43,470 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 04:19:43,471 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-02-21 04:19:43,475 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2022-02-21 04:19:43,475 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-02-21 04:19:43,475 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-02-21 04:19:43,552 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-02-21 04:19:43,556 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2022-02-21 04:19:43,557 INFO L210 LassoAnalysis]: Preferences: [2022-02-21 04:19:43,557 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-02-21 04:19:43,557 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-02-21 04:19:43,557 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-02-21 04:19:43,557 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-02-21 04:19:43,557 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 04:19:43,557 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-02-21 04:19:43,557 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-02-21 04:19:43,557 INFO L133 ssoRankerPreferences]: Filename of dumped script: fibo_2calls_2-1.c_Iteration1_Loop [2022-02-21 04:19:43,557 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-02-21 04:19:43,558 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-02-21 04:19:43,559 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-02-21 04:19:43,564 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-02-21 04:19:43,566 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-02-21 04:19:43,568 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-02-21 04:19:43,571 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-02-21 04:19:43,574 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-02-21 04:19:43,577 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-02-21 04:19:43,584 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-02-21 04:19:43,586 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-02-21 04:19:43,591 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-02-21 04:19:43,689 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-02-21 04:19:43,693 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-02-21 04:19:43,694 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 04:19:43,694 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 04:19:43,695 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-02-21 04:19:43,707 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-02-21 04:19:43,707 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2022-02-21 04:19:43,715 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-02-21 04:19:43,715 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-02-21 04:19:43,716 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-02-21 04:19:43,716 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-02-21 04:19:43,716 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-02-21 04:19:43,718 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-02-21 04:19:43,718 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-02-21 04:19:43,731 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-02-21 04:19:43,753 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2022-02-21 04:19:43,753 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 04:19:43,753 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 04:19:43,756 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-02-21 04:19:43,757 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2022-02-21 04:19:43,758 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-02-21 04:19:43,765 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-02-21 04:19:43,765 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-02-21 04:19:43,765 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-02-21 04:19:43,765 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-02-21 04:19:43,765 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-02-21 04:19:43,766 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-02-21 04:19:43,766 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-02-21 04:19:43,770 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-02-21 04:19:43,787 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Ended with exit code 0 [2022-02-21 04:19:43,788 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 04:19:43,788 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 04:19:43,789 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-02-21 04:19:43,790 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2022-02-21 04:19:43,791 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-02-21 04:19:43,797 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-02-21 04:19:43,797 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-02-21 04:19:43,797 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-02-21 04:19:43,797 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-02-21 04:19:43,797 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-02-21 04:19:43,798 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-02-21 04:19:43,798 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-02-21 04:19:43,806 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-02-21 04:19:43,822 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Ended with exit code 0 [2022-02-21 04:19:43,822 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 04:19:43,823 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 04:19:43,824 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-02-21 04:19:43,825 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2022-02-21 04:19:43,826 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-02-21 04:19:43,832 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-02-21 04:19:43,832 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-02-21 04:19:43,832 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-02-21 04:19:43,833 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-02-21 04:19:43,833 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-02-21 04:19:43,836 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-02-21 04:19:43,836 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-02-21 04:19:43,837 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-02-21 04:19:43,855 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2022-02-21 04:19:43,855 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 04:19:43,855 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 04:19:43,856 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-02-21 04:19:43,857 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2022-02-21 04:19:43,858 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-02-21 04:19:43,864 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-02-21 04:19:43,865 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-02-21 04:19:43,865 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-02-21 04:19:43,865 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-02-21 04:19:43,865 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-02-21 04:19:43,865 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-02-21 04:19:43,865 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-02-21 04:19:43,882 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-02-21 04:19:43,898 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2022-02-21 04:19:43,898 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 04:19:43,898 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 04:19:43,899 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-02-21 04:19:43,900 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2022-02-21 04:19:43,903 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-02-21 04:19:43,911 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-02-21 04:19:43,911 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-02-21 04:19:43,911 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-02-21 04:19:43,911 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-02-21 04:19:43,911 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-02-21 04:19:43,912 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-02-21 04:19:43,912 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-02-21 04:19:43,919 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-02-21 04:19:43,934 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2022-02-21 04:19:43,935 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 04:19:43,935 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 04:19:43,936 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-02-21 04:19:43,937 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2022-02-21 04:19:43,938 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-02-21 04:19:43,944 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-02-21 04:19:43,944 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-02-21 04:19:43,944 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-02-21 04:19:43,945 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-02-21 04:19:43,945 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-02-21 04:19:43,945 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-02-21 04:19:43,945 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-02-21 04:19:43,948 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-02-21 04:19:43,951 INFO L443 ModelExtractionUtils]: Simplification made 2 calls to the SMT solver. [2022-02-21 04:19:43,951 INFO L444 ModelExtractionUtils]: 1 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2022-02-21 04:19:43,952 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 04:19:43,952 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 04:19:43,953 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-02-21 04:19:43,954 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2022-02-21 04:19:43,958 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-02-21 04:19:43,958 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2022-02-21 04:19:43,958 INFO L513 LassoAnalysis]: Proved termination. [2022-02-21 04:19:43,959 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(fibo1_#in~n) = 1*fibo1_#in~n Supporting invariants [] [2022-02-21 04:19:43,974 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Ended with exit code 0 [2022-02-21 04:19:43,991 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-02-21 04:19:43,996 INFO L390 LassoCheck]: Loop: "~n := #in~n;" "assume !(~n < 1);" "assume !(1 == ~n);" "call #t~ret4 := fibo2(~n - 1);"< "~n := #in~n;" "assume !(~n < 1);" "assume !(1 == ~n);" "call #t~ret6 := fibo1(~n - 1);"< [2022-02-21 04:19:44,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-21 04:19:44,029 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-21 04:19:44,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-21 04:19:44,045 INFO L263 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 4 conjunts are in the unsatisfiable core [2022-02-21 04:19:44,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-21 04:19:44,051 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-21 04:19:44,058 INFO L290 TraceCheckUtils]: 0: Hoare triple {42#unseeded} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(18, 2);call #Ultimate.allocInit(12, 3); {42#unseeded} is VALID [2022-02-21 04:19:44,058 INFO L290 TraceCheckUtils]: 1: Hoare triple {42#unseeded} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret8#1, main_~x~0#1, main_~result~0#1;main_~x~0#1 := 2; {42#unseeded} is VALID [2022-02-21 04:19:44,059 INFO L272 TraceCheckUtils]: 2: Hoare triple {42#unseeded} call main_#t~ret8#1 := fibo1(main_~x~0#1); {42#unseeded} is VALID [2022-02-21 04:19:44,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-21 04:19:44,077 INFO L263 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 11 conjunts are in the unsatisfiable core [2022-02-21 04:19:44,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-21 04:19:44,090 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-21 04:19:44,271 INFO L290 TraceCheckUtils]: 0: Hoare triple {45#(>= oldRank0 |fibo1_#in~n|)} ~n := #in~n; {66#(<= fibo1_~n oldRank0)} is VALID [2022-02-21 04:19:44,271 INFO L290 TraceCheckUtils]: 1: Hoare triple {66#(<= fibo1_~n oldRank0)} assume !(~n < 1); {66#(<= fibo1_~n oldRank0)} is VALID [2022-02-21 04:19:44,272 INFO L290 TraceCheckUtils]: 2: Hoare triple {66#(<= fibo1_~n oldRank0)} assume !(1 == ~n); {66#(<= fibo1_~n oldRank0)} is VALID [2022-02-21 04:19:44,279 INFO L272 TraceCheckUtils]: 3: Hoare triple {66#(<= fibo1_~n oldRank0)} call #t~ret4 := fibo2(~n - 1); {76#(<= (+ |fibo2_#in~n| 1) oldRank0)} is VALID [2022-02-21 04:19:44,280 INFO L290 TraceCheckUtils]: 4: Hoare triple {76#(<= (+ |fibo2_#in~n| 1) oldRank0)} ~n := #in~n; {80#(<= (+ fibo2_~n 1) oldRank0)} is VALID [2022-02-21 04:19:44,281 INFO L290 TraceCheckUtils]: 5: Hoare triple {80#(<= (+ fibo2_~n 1) oldRank0)} assume !(~n < 1); {84#(and (not (< fibo2_~n 1)) (<= (+ fibo2_~n 1) oldRank0))} is VALID [2022-02-21 04:19:44,281 INFO L290 TraceCheckUtils]: 6: Hoare triple {84#(and (not (< fibo2_~n 1)) (<= (+ fibo2_~n 1) oldRank0))} assume !(1 == ~n); {84#(and (not (< fibo2_~n 1)) (<= (+ fibo2_~n 1) oldRank0))} is VALID [2022-02-21 04:19:44,283 INFO L272 TraceCheckUtils]: 7: Hoare triple {84#(and (not (< fibo2_~n 1)) (<= (+ fibo2_~n 1) oldRank0))} call #t~ret6 := fibo1(~n - 1); {55#(or unseeded (and (>= oldRank0 0) (> oldRank0 |fibo1_#in~n|)))} is VALID [2022-02-21 04:19:44,283 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-21 04:19:44,326 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 6 states, 6 states have (on average 1.3333333333333333) internal successors, (8), 4 states have internal predecessors, (8), 3 states have call successors, (3), 2 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 04:19:44,338 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2022-02-21 04:19:44,347 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 11 edges. 11 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-21 04:19:44,349 INFO L84 BuchiAccepts]: Start buchiAccepts Operand has 6 states, 6 states have (on average 1.3333333333333333) internal successors, (8), 4 states have internal predecessors, (8), 3 states have call successors, (3), 2 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Stem has 3 letters. Loop has 8 letters. [2022-02-21 04:19:44,351 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 04:19:44,354 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 5 loop predicates [2022-02-21 04:19:44,357 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 26 states, 18 states have (on average 1.2777777777777777) internal successors, (23), 18 states have internal predecessors, (23), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) Second operand has 6 states, 6 states have (on average 1.3333333333333333) internal successors, (8), 4 states have internal predecessors, (8), 3 states have call successors, (3), 2 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 04:19:44,758 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 26 states, 18 states have (on average 1.2777777777777777) internal successors, (23), 18 states have internal predecessors, (23), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5). Second operand has 6 states, 6 states have (on average 1.3333333333333333) internal successors, (8), 4 states have internal predecessors, (8), 3 states have call successors, (3), 2 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 84 states and 116 transitions. Complement of second has 24 states. [2022-02-21 04:19:44,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 7 states 1 stem states 5 non-accepting loop states 1 accepting loop states [2022-02-21 04:19:44,758 INFO L123 tractBuchiDifference]: Start testing correctness of buchiDifferenceNCSBLazy3 [2022-02-21 04:19:44,759 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 26 states, 18 states have (on average 1.2777777777777777) internal successors, (23), 18 states have internal predecessors, (23), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2022-02-21 04:19:44,762 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 10 [2022-02-21 04:19:44,762 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-02-21 04:19:44,762 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-02-21 04:19:44,762 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 6 states, 6 states have (on average 1.3333333333333333) internal successors, (8), 4 states have internal predecessors, (8), 3 states have call successors, (3), 2 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 04:19:44,766 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2022-02-21 04:19:44,766 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-02-21 04:19:44,766 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-02-21 04:19:44,767 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 84 states and 116 transitions. [2022-02-21 04:19:44,769 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 10 [2022-02-21 04:19:44,769 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-02-21 04:19:44,769 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-02-21 04:19:44,773 INFO L70 LassoExtractor]: Start lassoExtractor. Operand has 26 states, 18 states have (on average 1.2777777777777777) internal successors, (23), 18 states have internal predecessors, (23), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2022-02-21 04:19:44,775 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 10 [2022-02-21 04:19:44,779 INFO L86 LassoExtractor]: Finished lassoExtractor. Found 12 examples of accepted words. [2022-02-21 04:19:44,779 INFO L70 LassoExtractor]: Start lassoExtractor. Operand has 6 states, 6 states have (on average 1.3333333333333333) internal successors, (8), 4 states have internal predecessors, (8), 3 states have call successors, (3), 2 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 04:19:44,781 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2022-02-21 04:19:44,781 INFO L86 LassoExtractor]: Finished lassoExtractor. Found 1 examples of accepted words. [2022-02-21 04:19:44,781 INFO L70 LassoExtractor]: Start lassoExtractor. Operand 84 states and 116 transitions. cyclomatic complexity: 34 [2022-02-21 04:19:44,791 INFO L86 LassoExtractor]: Finished lassoExtractor. Found 12 examples of accepted words. [2022-02-21 04:19:44,792 INFO L84 BuchiAccepts]: Start buchiAccepts Operand has 26 states, 18 states have (on average 1.2777777777777777) internal successors, (23), 18 states have internal predecessors, (23), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) Stem has 3 letters. Loop has 8 letters. [2022-02-21 04:19:44,792 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 04:19:44,792 INFO L84 BuchiAccepts]: Start buchiAccepts Operand has 6 states, 6 states have (on average 1.3333333333333333) internal successors, (8), 4 states have internal predecessors, (8), 3 states have call successors, (3), 2 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Stem has 3 letters. Loop has 8 letters. [2022-02-21 04:19:44,792 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 04:19:44,793 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 84 states and 116 transitions. cyclomatic complexity: 34 Stem has 3 letters. Loop has 8 letters. [2022-02-21 04:19:44,793 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 04:19:44,793 INFO L84 BuchiAccepts]: Start buchiAccepts Operand has 26 states, 18 states have (on average 1.2777777777777777) internal successors, (23), 18 states have internal predecessors, (23), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) Stem has 1 letters. Loop has 5 letters. [2022-02-21 04:19:44,793 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 04:19:44,794 INFO L84 BuchiAccepts]: Start buchiAccepts Operand has 6 states, 6 states have (on average 1.3333333333333333) internal successors, (8), 4 states have internal predecessors, (8), 3 states have call successors, (3), 2 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Stem has 1 letters. Loop has 5 letters. [2022-02-21 04:19:44,794 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 04:19:44,794 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 84 states and 116 transitions. cyclomatic complexity: 34 Stem has 1 letters. Loop has 5 letters. [2022-02-21 04:19:44,794 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 04:19:44,794 INFO L84 BuchiAccepts]: Start buchiAccepts Operand has 26 states, 18 states have (on average 1.2777777777777777) internal successors, (23), 18 states have internal predecessors, (23), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) Stem has 15 letters. Loop has 25 letters. [2022-02-21 04:19:44,795 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 04:19:44,795 INFO L84 BuchiAccepts]: Start buchiAccepts Operand has 6 states, 6 states have (on average 1.3333333333333333) internal successors, (8), 4 states have internal predecessors, (8), 3 states have call successors, (3), 2 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Stem has 15 letters. Loop has 25 letters. [2022-02-21 04:19:44,795 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 04:19:44,795 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 84 states and 116 transitions. cyclomatic complexity: 34 Stem has 15 letters. Loop has 25 letters. [2022-02-21 04:19:44,796 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 04:19:44,796 INFO L84 BuchiAccepts]: Start buchiAccepts Operand has 26 states, 18 states have (on average 1.2777777777777777) internal successors, (23), 18 states have internal predecessors, (23), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) Stem has 84 letters. Loop has 84 letters. [2022-02-21 04:19:44,796 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 04:19:44,796 INFO L84 BuchiAccepts]: Start buchiAccepts Operand has 6 states, 6 states have (on average 1.3333333333333333) internal successors, (8), 4 states have internal predecessors, (8), 3 states have call successors, (3), 2 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Stem has 84 letters. Loop has 84 letters. [2022-02-21 04:19:44,796 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 04:19:44,797 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 84 states and 116 transitions. cyclomatic complexity: 34 Stem has 84 letters. Loop has 84 letters. [2022-02-21 04:19:44,797 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 04:19:44,797 INFO L84 BuchiAccepts]: Start buchiAccepts Operand has 26 states, 18 states have (on average 1.2777777777777777) internal successors, (23), 18 states have internal predecessors, (23), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) Stem has 26 letters. Loop has 26 letters. [2022-02-21 04:19:44,797 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 04:19:44,797 INFO L84 BuchiAccepts]: Start buchiAccepts Operand has 6 states, 6 states have (on average 1.3333333333333333) internal successors, (8), 4 states have internal predecessors, (8), 3 states have call successors, (3), 2 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Stem has 26 letters. Loop has 26 letters. [2022-02-21 04:19:44,798 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 04:19:44,798 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 84 states and 116 transitions. cyclomatic complexity: 34 Stem has 26 letters. Loop has 26 letters. [2022-02-21 04:19:44,798 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 04:19:44,798 INFO L84 BuchiAccepts]: Start buchiAccepts Operand has 26 states, 18 states have (on average 1.2777777777777777) internal successors, (23), 18 states have internal predecessors, (23), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) Stem has 7 letters. Loop has 7 letters. [2022-02-21 04:19:44,798 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 04:19:44,798 INFO L84 BuchiAccepts]: Start buchiAccepts Operand has 6 states, 6 states have (on average 1.3333333333333333) internal successors, (8), 4 states have internal predecessors, (8), 3 states have call successors, (3), 2 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Stem has 7 letters. Loop has 7 letters. [2022-02-21 04:19:44,799 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 04:19:44,799 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 84 states and 116 transitions. cyclomatic complexity: 34 Stem has 7 letters. Loop has 7 letters. [2022-02-21 04:19:44,800 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 04:19:44,800 INFO L84 BuchiAccepts]: Start buchiAccepts Operand has 26 states, 18 states have (on average 1.2777777777777777) internal successors, (23), 18 states have internal predecessors, (23), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) Stem has 3 letters. Loop has 8 letters. [2022-02-21 04:19:44,800 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 04:19:44,800 INFO L84 BuchiAccepts]: Start buchiAccepts Operand has 6 states, 6 states have (on average 1.3333333333333333) internal successors, (8), 4 states have internal predecessors, (8), 3 states have call successors, (3), 2 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Stem has 3 letters. Loop has 8 letters. [2022-02-21 04:19:44,800 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 04:19:44,801 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 84 states and 116 transitions. cyclomatic complexity: 34 Stem has 3 letters. Loop has 8 letters. [2022-02-21 04:19:44,801 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 04:19:44,801 INFO L84 BuchiAccepts]: Start buchiAccepts Operand has 26 states, 18 states have (on average 1.2777777777777777) internal successors, (23), 18 states have internal predecessors, (23), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) Stem has 9 letters. Loop has 8 letters. [2022-02-21 04:19:44,801 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 04:19:44,802 INFO L84 BuchiAccepts]: Start buchiAccepts Operand has 6 states, 6 states have (on average 1.3333333333333333) internal successors, (8), 4 states have internal predecessors, (8), 3 states have call successors, (3), 2 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Stem has 9 letters. Loop has 8 letters. [2022-02-21 04:19:44,802 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 04:19:44,802 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 84 states and 116 transitions. cyclomatic complexity: 34 Stem has 9 letters. Loop has 8 letters. [2022-02-21 04:19:44,802 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 04:19:44,802 INFO L84 BuchiAccepts]: Start buchiAccepts Operand has 26 states, 18 states have (on average 1.2777777777777777) internal successors, (23), 18 states have internal predecessors, (23), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) Stem has 5 letters. Loop has 8 letters. [2022-02-21 04:19:44,803 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 04:19:44,803 INFO L84 BuchiAccepts]: Start buchiAccepts Operand has 6 states, 6 states have (on average 1.3333333333333333) internal successors, (8), 4 states have internal predecessors, (8), 3 states have call successors, (3), 2 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Stem has 5 letters. Loop has 8 letters. [2022-02-21 04:19:44,803 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 04:19:44,803 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 84 states and 116 transitions. cyclomatic complexity: 34 Stem has 5 letters. Loop has 8 letters. [2022-02-21 04:19:44,803 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 04:19:44,804 INFO L84 BuchiAccepts]: Start buchiAccepts Operand has 26 states, 18 states have (on average 1.2777777777777777) internal successors, (23), 18 states have internal predecessors, (23), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) Stem has 4 letters. Loop has 8 letters. [2022-02-21 04:19:44,804 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 04:19:44,804 INFO L84 BuchiAccepts]: Start buchiAccepts Operand has 6 states, 6 states have (on average 1.3333333333333333) internal successors, (8), 4 states have internal predecessors, (8), 3 states have call successors, (3), 2 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Stem has 4 letters. Loop has 8 letters. [2022-02-21 04:19:44,804 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 04:19:44,804 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 84 states and 116 transitions. cyclomatic complexity: 34 Stem has 4 letters. Loop has 8 letters. [2022-02-21 04:19:44,805 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 04:19:44,805 INFO L84 BuchiAccepts]: Start buchiAccepts Operand has 26 states, 18 states have (on average 1.2777777777777777) internal successors, (23), 18 states have internal predecessors, (23), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) Stem has 7 letters. Loop has 8 letters. [2022-02-21 04:19:44,805 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 04:19:44,805 INFO L84 BuchiAccepts]: Start buchiAccepts Operand has 6 states, 6 states have (on average 1.3333333333333333) internal successors, (8), 4 states have internal predecessors, (8), 3 states have call successors, (3), 2 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Stem has 7 letters. Loop has 8 letters. [2022-02-21 04:19:44,806 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 04:19:44,806 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 84 states and 116 transitions. cyclomatic complexity: 34 Stem has 7 letters. Loop has 8 letters. [2022-02-21 04:19:44,806 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 04:19:44,806 INFO L84 BuchiAccepts]: Start buchiAccepts Operand has 26 states, 18 states have (on average 1.2777777777777777) internal successors, (23), 18 states have internal predecessors, (23), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) Stem has 8 letters. Loop has 8 letters. [2022-02-21 04:19:44,806 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 04:19:44,807 INFO L84 BuchiAccepts]: Start buchiAccepts Operand has 6 states, 6 states have (on average 1.3333333333333333) internal successors, (8), 4 states have internal predecessors, (8), 3 states have call successors, (3), 2 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Stem has 8 letters. Loop has 8 letters. [2022-02-21 04:19:44,807 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 04:19:44,807 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 84 states and 116 transitions. cyclomatic complexity: 34 Stem has 8 letters. Loop has 8 letters. [2022-02-21 04:19:44,807 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 04:19:44,807 INFO L84 BuchiAccepts]: Start buchiAccepts Operand has 26 states, 18 states have (on average 1.2777777777777777) internal successors, (23), 18 states have internal predecessors, (23), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) Stem has 11 letters. Loop has 13 letters. [2022-02-21 04:19:44,808 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 04:19:44,808 INFO L84 BuchiAccepts]: Start buchiAccepts Operand has 6 states, 6 states have (on average 1.3333333333333333) internal successors, (8), 4 states have internal predecessors, (8), 3 states have call successors, (3), 2 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Stem has 11 letters. Loop has 13 letters. [2022-02-21 04:19:44,808 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 04:19:44,808 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 84 states and 116 transitions. cyclomatic complexity: 34 Stem has 11 letters. Loop has 13 letters. [2022-02-21 04:19:44,809 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 04:19:44,809 INFO L84 BuchiAccepts]: Start buchiAccepts Operand has 26 states, 18 states have (on average 1.2777777777777777) internal successors, (23), 18 states have internal predecessors, (23), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) Stem has 15 letters. Loop has 13 letters. [2022-02-21 04:19:44,809 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 04:19:44,809 INFO L84 BuchiAccepts]: Start buchiAccepts Operand has 6 states, 6 states have (on average 1.3333333333333333) internal successors, (8), 4 states have internal predecessors, (8), 3 states have call successors, (3), 2 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Stem has 15 letters. Loop has 13 letters. [2022-02-21 04:19:44,809 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 04:19:44,809 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 84 states and 116 transitions. cyclomatic complexity: 34 Stem has 15 letters. Loop has 13 letters. [2022-02-21 04:19:44,810 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 04:19:44,810 INFO L84 BuchiAccepts]: Start buchiAccepts Operand has 26 states, 18 states have (on average 1.2777777777777777) internal successors, (23), 18 states have internal predecessors, (23), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) Stem has 10 letters. Loop has 8 letters. [2022-02-21 04:19:44,810 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 04:19:44,810 INFO L84 BuchiAccepts]: Start buchiAccepts Operand has 6 states, 6 states have (on average 1.3333333333333333) internal successors, (8), 4 states have internal predecessors, (8), 3 states have call successors, (3), 2 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Stem has 10 letters. Loop has 8 letters. [2022-02-21 04:19:44,810 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 04:19:44,810 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 84 states and 116 transitions. cyclomatic complexity: 34 Stem has 10 letters. Loop has 8 letters. [2022-02-21 04:19:44,811 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 04:19:44,811 INFO L84 BuchiAccepts]: Start buchiAccepts Operand has 26 states, 18 states have (on average 1.2777777777777777) internal successors, (23), 18 states have internal predecessors, (23), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) Stem has 6 letters. Loop has 8 letters. [2022-02-21 04:19:44,811 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 04:19:44,811 INFO L84 BuchiAccepts]: Start buchiAccepts Operand has 6 states, 6 states have (on average 1.3333333333333333) internal successors, (8), 4 states have internal predecessors, (8), 3 states have call successors, (3), 2 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Stem has 6 letters. Loop has 8 letters. [2022-02-21 04:19:44,811 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 04:19:44,812 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 84 states and 116 transitions. cyclomatic complexity: 34 Stem has 6 letters. Loop has 8 letters. [2022-02-21 04:19:44,812 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 04:19:44,812 INFO L84 BuchiAccepts]: Start buchiAccepts Operand has 26 states, 18 states have (on average 1.2777777777777777) internal successors, (23), 18 states have internal predecessors, (23), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) Stem has 15 letters. Loop has 13 letters. [2022-02-21 04:19:44,812 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 04:19:44,812 INFO L84 BuchiAccepts]: Start buchiAccepts Operand has 6 states, 6 states have (on average 1.3333333333333333) internal successors, (8), 4 states have internal predecessors, (8), 3 states have call successors, (3), 2 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Stem has 15 letters. Loop has 13 letters. [2022-02-21 04:19:44,813 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 04:19:44,813 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 84 states and 116 transitions. cyclomatic complexity: 34 Stem has 15 letters. Loop has 13 letters. [2022-02-21 04:19:44,813 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 04:19:44,813 INFO L84 BuchiAccepts]: Start buchiAccepts Operand has 26 states, 18 states have (on average 1.2777777777777777) internal successors, (23), 18 states have internal predecessors, (23), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) Stem has 11 letters. Loop has 13 letters. [2022-02-21 04:19:44,813 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 04:19:44,814 INFO L84 BuchiAccepts]: Start buchiAccepts Operand has 6 states, 6 states have (on average 1.3333333333333333) internal successors, (8), 4 states have internal predecessors, (8), 3 states have call successors, (3), 2 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Stem has 11 letters. Loop has 13 letters. [2022-02-21 04:19:44,814 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 04:19:44,814 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 84 states and 116 transitions. cyclomatic complexity: 34 Stem has 11 letters. Loop has 13 letters. [2022-02-21 04:19:44,814 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 04:19:44,815 INFO L84 BuchiAccepts]: Start buchiAccepts Operand has 26 states, 18 states have (on average 1.2777777777777777) internal successors, (23), 18 states have internal predecessors, (23), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) Stem has 1 letters. Loop has 5 letters. [2022-02-21 04:19:44,815 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 04:19:44,815 INFO L84 BuchiAccepts]: Start buchiAccepts Operand has 6 states, 6 states have (on average 1.3333333333333333) internal successors, (8), 4 states have internal predecessors, (8), 3 states have call successors, (3), 2 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Stem has 1 letters. Loop has 5 letters. [2022-02-21 04:19:44,815 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 04:19:44,815 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 84 states and 116 transitions. cyclomatic complexity: 34 Stem has 1 letters. Loop has 5 letters. [2022-02-21 04:19:44,815 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 04:19:44,815 INFO L84 BuchiAccepts]: Start buchiAccepts Operand has 26 states, 18 states have (on average 1.2777777777777777) internal successors, (23), 18 states have internal predecessors, (23), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) Stem has 18 letters. Loop has 8 letters. [2022-02-21 04:19:44,816 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 04:19:44,816 INFO L84 BuchiAccepts]: Start buchiAccepts Operand has 6 states, 6 states have (on average 1.3333333333333333) internal successors, (8), 4 states have internal predecessors, (8), 3 states have call successors, (3), 2 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Stem has 18 letters. Loop has 8 letters. [2022-02-21 04:19:44,816 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 04:19:44,816 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 84 states and 116 transitions. cyclomatic complexity: 34 Stem has 18 letters. Loop has 8 letters. [2022-02-21 04:19:44,816 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 04:19:44,821 INFO L84 BuchiAccepts]: Start buchiAccepts Operand has 26 states, 18 states have (on average 1.2777777777777777) internal successors, (23), 18 states have internal predecessors, (23), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) Stem has 19 letters. Loop has 8 letters. [2022-02-21 04:19:44,822 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 04:19:44,822 INFO L84 BuchiAccepts]: Start buchiAccepts Operand has 6 states, 6 states have (on average 1.3333333333333333) internal successors, (8), 4 states have internal predecessors, (8), 3 states have call successors, (3), 2 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Stem has 19 letters. Loop has 8 letters. [2022-02-21 04:19:44,822 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 04:19:44,822 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 84 states and 116 transitions. cyclomatic complexity: 34 Stem has 19 letters. Loop has 8 letters. [2022-02-21 04:19:44,822 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 04:19:44,822 INFO L84 BuchiAccepts]: Start buchiAccepts Operand has 26 states, 18 states have (on average 1.2777777777777777) internal successors, (23), 18 states have internal predecessors, (23), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) Stem has 20 letters. Loop has 8 letters. [2022-02-21 04:19:44,823 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 04:19:44,823 INFO L84 BuchiAccepts]: Start buchiAccepts Operand has 6 states, 6 states have (on average 1.3333333333333333) internal successors, (8), 4 states have internal predecessors, (8), 3 states have call successors, (3), 2 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Stem has 20 letters. Loop has 8 letters. [2022-02-21 04:19:44,823 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 04:19:44,823 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 84 states and 116 transitions. cyclomatic complexity: 34 Stem has 20 letters. Loop has 8 letters. [2022-02-21 04:19:44,823 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 04:19:44,823 INFO L84 BuchiAccepts]: Start buchiAccepts Operand has 26 states, 18 states have (on average 1.2777777777777777) internal successors, (23), 18 states have internal predecessors, (23), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) Stem has 21 letters. Loop has 8 letters. [2022-02-21 04:19:44,823 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 04:19:44,824 INFO L84 BuchiAccepts]: Start buchiAccepts Operand has 6 states, 6 states have (on average 1.3333333333333333) internal successors, (8), 4 states have internal predecessors, (8), 3 states have call successors, (3), 2 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Stem has 21 letters. Loop has 8 letters. [2022-02-21 04:19:44,824 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 04:19:44,824 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 84 states and 116 transitions. cyclomatic complexity: 34 Stem has 21 letters. Loop has 8 letters. [2022-02-21 04:19:44,824 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 04:19:44,824 INFO L84 BuchiAccepts]: Start buchiAccepts Operand has 26 states, 18 states have (on average 1.2777777777777777) internal successors, (23), 18 states have internal predecessors, (23), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) Stem has 15 letters. Loop has 25 letters. [2022-02-21 04:19:44,824 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 04:19:44,825 INFO L84 BuchiAccepts]: Start buchiAccepts Operand has 6 states, 6 states have (on average 1.3333333333333333) internal successors, (8), 4 states have internal predecessors, (8), 3 states have call successors, (3), 2 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Stem has 15 letters. Loop has 25 letters. [2022-02-21 04:19:44,825 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 04:19:44,825 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 84 states and 116 transitions. cyclomatic complexity: 34 Stem has 15 letters. Loop has 25 letters. [2022-02-21 04:19:44,825 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 04:19:44,825 INFO L84 BuchiAccepts]: Start buchiAccepts Operand has 26 states, 18 states have (on average 1.2777777777777777) internal successors, (23), 18 states have internal predecessors, (23), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) Stem has 22 letters. Loop has 8 letters. [2022-02-21 04:19:44,825 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 04:19:44,825 INFO L84 BuchiAccepts]: Start buchiAccepts Operand has 6 states, 6 states have (on average 1.3333333333333333) internal successors, (8), 4 states have internal predecessors, (8), 3 states have call successors, (3), 2 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Stem has 22 letters. Loop has 8 letters. [2022-02-21 04:19:44,826 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 04:19:44,826 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 84 states and 116 transitions. cyclomatic complexity: 34 Stem has 22 letters. Loop has 8 letters. [2022-02-21 04:19:44,826 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 04:19:44,826 INFO L84 BuchiAccepts]: Start buchiAccepts Operand has 26 states, 18 states have (on average 1.2777777777777777) internal successors, (23), 18 states have internal predecessors, (23), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) Stem has 35 letters. Loop has 25 letters. [2022-02-21 04:19:44,826 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 04:19:44,826 INFO L84 BuchiAccepts]: Start buchiAccepts Operand has 6 states, 6 states have (on average 1.3333333333333333) internal successors, (8), 4 states have internal predecessors, (8), 3 states have call successors, (3), 2 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Stem has 35 letters. Loop has 25 letters. [2022-02-21 04:19:44,827 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 04:19:44,827 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 84 states and 116 transitions. cyclomatic complexity: 34 Stem has 35 letters. Loop has 25 letters. [2022-02-21 04:19:44,827 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 04:19:44,827 INFO L84 BuchiAccepts]: Start buchiAccepts Operand has 26 states, 18 states have (on average 1.2777777777777777) internal successors, (23), 18 states have internal predecessors, (23), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) Stem has 23 letters. Loop has 8 letters. [2022-02-21 04:19:44,827 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 04:19:44,827 INFO L84 BuchiAccepts]: Start buchiAccepts Operand has 6 states, 6 states have (on average 1.3333333333333333) internal successors, (8), 4 states have internal predecessors, (8), 3 states have call successors, (3), 2 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Stem has 23 letters. Loop has 8 letters. [2022-02-21 04:19:44,828 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 04:19:44,828 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 84 states and 116 transitions. cyclomatic complexity: 34 Stem has 23 letters. Loop has 8 letters. [2022-02-21 04:19:44,828 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 04:19:44,828 INFO L84 BuchiAccepts]: Start buchiAccepts Operand has 26 states, 18 states have (on average 1.2777777777777777) internal successors, (23), 18 states have internal predecessors, (23), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) Stem has 16 letters. Loop has 8 letters. [2022-02-21 04:19:44,828 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 04:19:44,828 INFO L84 BuchiAccepts]: Start buchiAccepts Operand has 6 states, 6 states have (on average 1.3333333333333333) internal successors, (8), 4 states have internal predecessors, (8), 3 states have call successors, (3), 2 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Stem has 16 letters. Loop has 8 letters. [2022-02-21 04:19:44,828 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 04:19:44,829 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 84 states and 116 transitions. cyclomatic complexity: 34 Stem has 16 letters. Loop has 8 letters. [2022-02-21 04:19:44,829 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 04:19:44,829 INFO L84 BuchiAccepts]: Start buchiAccepts Operand has 26 states, 18 states have (on average 1.2777777777777777) internal successors, (23), 18 states have internal predecessors, (23), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) Stem has 17 letters. Loop has 8 letters. [2022-02-21 04:19:44,829 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 04:19:44,829 INFO L84 BuchiAccepts]: Start buchiAccepts Operand has 6 states, 6 states have (on average 1.3333333333333333) internal successors, (8), 4 states have internal predecessors, (8), 3 states have call successors, (3), 2 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Stem has 17 letters. Loop has 8 letters. [2022-02-21 04:19:44,829 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 04:19:44,829 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 84 states and 116 transitions. cyclomatic complexity: 34 Stem has 17 letters. Loop has 8 letters. [2022-02-21 04:19:44,830 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 04:19:44,830 INFO L84 BuchiAccepts]: Start buchiAccepts Operand has 26 states, 18 states have (on average 1.2777777777777777) internal successors, (23), 18 states have internal predecessors, (23), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) Stem has 35 letters. Loop has 49 letters. [2022-02-21 04:19:44,830 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 04:19:44,830 INFO L84 BuchiAccepts]: Start buchiAccepts Operand has 6 states, 6 states have (on average 1.3333333333333333) internal successors, (8), 4 states have internal predecessors, (8), 3 states have call successors, (3), 2 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Stem has 35 letters. Loop has 49 letters. [2022-02-21 04:19:44,830 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 04:19:44,830 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 84 states and 116 transitions. cyclomatic complexity: 34 Stem has 35 letters. Loop has 49 letters. [2022-02-21 04:19:44,831 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 04:19:44,831 INFO L84 BuchiAccepts]: Start buchiAccepts Operand has 26 states, 18 states have (on average 1.2777777777777777) internal successors, (23), 18 states have internal predecessors, (23), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) Stem has 15 letters. Loop has 49 letters. [2022-02-21 04:19:44,831 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 04:19:44,831 INFO L84 BuchiAccepts]: Start buchiAccepts Operand has 6 states, 6 states have (on average 1.3333333333333333) internal successors, (8), 4 states have internal predecessors, (8), 3 states have call successors, (3), 2 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Stem has 15 letters. Loop has 49 letters. [2022-02-21 04:19:44,832 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 04:19:44,832 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 84 states and 116 transitions. cyclomatic complexity: 34 Stem has 15 letters. Loop has 49 letters. [2022-02-21 04:19:44,832 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 04:19:44,832 INFO L161 tractBuchiDifference]: Finished testing correctness of buchiDifferenceNCSBLazy3 [2022-02-21 04:19:44,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 6 states have (on average 1.3333333333333333) internal successors, (8), 4 states have internal predecessors, (8), 3 states have call successors, (3), 2 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 04:19:44,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 21 transitions. [2022-02-21 04:19:44,844 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 21 transitions. Stem has 3 letters. Loop has 8 letters. [2022-02-21 04:19:44,844 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 04:19:44,844 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 21 transitions. Stem has 11 letters. Loop has 8 letters. [2022-02-21 04:19:44,845 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 04:19:44,845 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 21 transitions. Stem has 3 letters. Loop has 16 letters. [2022-02-21 04:19:44,845 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 04:19:44,846 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 84 states and 116 transitions. cyclomatic complexity: 34 [2022-02-21 04:19:44,864 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 10 [2022-02-21 04:19:44,871 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 84 states to 61 states and 82 transitions. [2022-02-21 04:19:44,872 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 39 [2022-02-21 04:19:44,872 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 40 [2022-02-21 04:19:44,872 INFO L73 IsDeterministic]: Start isDeterministic. Operand 61 states and 82 transitions. [2022-02-21 04:19:44,873 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-02-21 04:19:44,873 INFO L681 BuchiCegarLoop]: Abstraction has 61 states and 82 transitions. [2022-02-21 04:19:44,886 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states and 82 transitions. [2022-02-21 04:19:44,897 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 54. [2022-02-21 04:19:44,897 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-21 04:19:44,898 INFO L82 GeneralOperation]: Start isEquivalent. First operand 61 states and 82 transitions. Second operand has 54 states, 36 states have (on average 1.3055555555555556) internal successors, (47), 38 states have internal predecessors, (47), 12 states have call successors, (12), 8 states have call predecessors, (12), 6 states have return successors, (13), 7 states have call predecessors, (13), 10 states have call successors, (13) [2022-02-21 04:19:44,899 INFO L74 IsIncluded]: Start isIncluded. First operand 61 states and 82 transitions. Second operand has 54 states, 36 states have (on average 1.3055555555555556) internal successors, (47), 38 states have internal predecessors, (47), 12 states have call successors, (12), 8 states have call predecessors, (12), 6 states have return successors, (13), 7 states have call predecessors, (13), 10 states have call successors, (13) [2022-02-21 04:19:44,901 INFO L87 Difference]: Start difference. First operand 61 states and 82 transitions. Second operand has 54 states, 36 states have (on average 1.3055555555555556) internal successors, (47), 38 states have internal predecessors, (47), 12 states have call successors, (12), 8 states have call predecessors, (12), 6 states have return successors, (13), 7 states have call predecessors, (13), 10 states have call successors, (13) [2022-02-21 04:19:44,903 INFO L149 Difference]: Subtrahend was not deterministic. Recomputing result with determinization. [2022-02-21 04:19:44,912 INFO L93 Difference]: Finished difference Result 113 states and 144 transitions. [2022-02-21 04:19:44,913 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 144 transitions. [2022-02-21 04:19:44,915 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-21 04:19:44,915 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-21 04:19:44,915 INFO L74 IsIncluded]: Start isIncluded. First operand has 54 states, 36 states have (on average 1.3055555555555556) internal successors, (47), 38 states have internal predecessors, (47), 12 states have call successors, (12), 8 states have call predecessors, (12), 6 states have return successors, (13), 7 states have call predecessors, (13), 10 states have call successors, (13) Second operand 61 states and 82 transitions. [2022-02-21 04:19:44,916 INFO L87 Difference]: Start difference. First operand has 54 states, 36 states have (on average 1.3055555555555556) internal successors, (47), 38 states have internal predecessors, (47), 12 states have call successors, (12), 8 states have call predecessors, (12), 6 states have return successors, (13), 7 states have call predecessors, (13), 10 states have call successors, (13) Second operand 61 states and 82 transitions. [2022-02-21 04:19:44,917 INFO L149 Difference]: Subtrahend was not deterministic. Recomputing result with determinization. [2022-02-21 04:19:44,926 INFO L93 Difference]: Finished difference Result 128 states and 169 transitions. [2022-02-21 04:19:44,927 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 169 transitions. [2022-02-21 04:19:44,928 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-21 04:19:44,928 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-21 04:19:44,928 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-21 04:19:44,929 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-21 04:19:44,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54 states, 36 states have (on average 1.3055555555555556) internal successors, (47), 38 states have internal predecessors, (47), 12 states have call successors, (12), 8 states have call predecessors, (12), 6 states have return successors, (13), 7 states have call predecessors, (13), 10 states have call successors, (13) [2022-02-21 04:19:44,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 72 transitions. [2022-02-21 04:19:44,932 INFO L704 BuchiCegarLoop]: Abstraction has 54 states and 72 transitions. [2022-02-21 04:19:44,932 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-21 04:19:44,934 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-02-21 04:19:44,935 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2022-02-21 04:19:44,935 INFO L87 Difference]: Start difference. First operand 54 states and 72 transitions. Second operand has 8 states, 6 states have (on average 1.3333333333333333) internal successors, (8), 6 states have internal predecessors, (8), 3 states have call successors, (3), 3 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 04:19:45,090 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-21 04:19:45,091 INFO L93 Difference]: Finished difference Result 18 states and 18 transitions. [2022-02-21 04:19:45,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-02-21 04:19:45,091 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 8 states, 6 states have (on average 1.3333333333333333) internal successors, (8), 6 states have internal predecessors, (8), 3 states have call successors, (3), 3 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 04:19:45,102 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 11 edges. 11 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-21 04:19:45,103 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 18 states and 18 transitions. [2022-02-21 04:19:45,104 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-02-21 04:19:45,104 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 18 states to 0 states and 0 transitions. [2022-02-21 04:19:45,104 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2022-02-21 04:19:45,105 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2022-02-21 04:19:45,105 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2022-02-21 04:19:45,105 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-02-21 04:19:45,105 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-02-21 04:19:45,105 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-02-21 04:19:45,105 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-02-21 04:19:45,105 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2022-02-21 04:19:45,105 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2022-02-21 04:19:45,106 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-02-21 04:19:45,106 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2022-02-21 04:19:45,112 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 21.02 04:19:45 BoogieIcfgContainer [2022-02-21 04:19:45,112 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-02-21 04:19:45,113 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-02-21 04:19:45,113 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-02-21 04:19:45,113 INFO L275 PluginConnector]: Witness Printer initialized [2022-02-21 04:19:45,114 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.02 04:19:41" (3/4) ... [2022-02-21 04:19:45,116 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-02-21 04:19:45,116 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-02-21 04:19:45,118 INFO L158 Benchmark]: Toolchain (without parser) took 3832.91ms. Allocated memory was 98.6MB in the beginning and 119.5MB in the end (delta: 21.0MB). Free memory was 68.0MB in the beginning and 90.7MB in the end (delta: -22.7MB). There was no memory consumed. Max. memory is 16.1GB. [2022-02-21 04:19:45,118 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 98.6MB. Free memory is still 53.3MB. There was no memory consumed. Max. memory is 16.1GB. [2022-02-21 04:19:45,118 INFO L158 Benchmark]: CACSL2BoogieTranslator took 211.09ms. Allocated memory is still 98.6MB. Free memory was 67.8MB in the beginning and 74.5MB in the end (delta: -6.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-02-21 04:19:45,119 INFO L158 Benchmark]: Boogie Procedure Inliner took 23.73ms. Allocated memory is still 98.6MB. Free memory was 74.5MB in the beginning and 73.2MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-02-21 04:19:45,119 INFO L158 Benchmark]: Boogie Preprocessor took 18.59ms. Allocated memory is still 98.6MB. Free memory was 73.2MB in the beginning and 72.3MB in the end (delta: 976.9kB). There was no memory consumed. Max. memory is 16.1GB. [2022-02-21 04:19:45,120 INFO L158 Benchmark]: RCFGBuilder took 318.25ms. Allocated memory is still 98.6MB. Free memory was 72.3MB in the beginning and 62.8MB in the end (delta: 9.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-02-21 04:19:45,120 INFO L158 Benchmark]: BuchiAutomizer took 3251.09ms. Allocated memory was 98.6MB in the beginning and 119.5MB in the end (delta: 21.0MB). Free memory was 62.5MB in the beginning and 90.7MB in the end (delta: -28.2MB). There was no memory consumed. Max. memory is 16.1GB. [2022-02-21 04:19:45,120 INFO L158 Benchmark]: Witness Printer took 3.61ms. Allocated memory is still 119.5MB. Free memory is still 90.7MB. There was no memory consumed. Max. memory is 16.1GB. [2022-02-21 04:19:45,122 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - AssertionsEnabledResult: Assertions are enabled Assertions are enabled - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 98.6MB. Free memory is still 53.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 211.09ms. Allocated memory is still 98.6MB. Free memory was 67.8MB in the beginning and 74.5MB in the end (delta: -6.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 23.73ms. Allocated memory is still 98.6MB. Free memory was 74.5MB in the beginning and 73.2MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 18.59ms. Allocated memory is still 98.6MB. Free memory was 73.2MB in the beginning and 72.3MB in the end (delta: 976.9kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 318.25ms. Allocated memory is still 98.6MB. Free memory was 72.3MB in the beginning and 62.8MB in the end (delta: 9.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 3251.09ms. Allocated memory was 98.6MB in the beginning and 119.5MB in the end (delta: 21.0MB). Free memory was 62.5MB in the beginning and 90.7MB in the end (delta: -28.2MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 3.61ms. Allocated memory is still 119.5MB. Free memory is still 90.7MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 2 terminating modules (1 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function \old(n) and consists of 7 locations. 1 modules have a trivial ranking function, the largest among these consists of 8 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 3.1s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 2.0s. Construction of modules took 0.2s. Büchi inclusion checks took 0.7s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 1. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 7 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 0 states and ocurred in iteration 1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 39 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 39 mSDsluCounter, 54 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 38 mSDsCounter, 12 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 122 IncrementalHoareTripleChecker+Invalid, 134 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 12 mSolverCounterUnsat, 16 mSDtfsCounter, 122 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT1 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital15 mio100 ax100 hnf100 lsp100 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq166 hnf95 smp66 dnf100 smp100 tf112 neg94 sie111 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 38ms VariablesStem: 0 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 8 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.4s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2022-02-21 04:19:45,162 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE