./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/recursive-simple/fibo_2calls_2-2.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_2-2.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 6597d5a31aa324ba443314d2c363b302cd71d697c12811ade53ae3225a095206 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-03d7b7b [2022-02-21 04:19:40,849 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-21 04:19:40,855 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-21 04:19:40,888 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-02-21 04:19:40,889 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-02-21 04:19:40,891 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-02-21 04:19:40,893 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-02-21 04:19:40,897 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-02-21 04:19:40,899 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-02-21 04:19:40,903 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-02-21 04:19:40,904 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-02-21 04:19:40,905 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-02-21 04:19:40,905 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-21 04:19:40,908 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-21 04:19:40,909 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-21 04:19:40,912 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-21 04:19:40,912 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-21 04:19:40,913 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-21 04:19:40,915 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-21 04:19:40,920 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-21 04:19:40,921 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-21 04:19:40,922 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-21 04:19:40,924 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-21 04:19:40,924 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-21 04:19:40,930 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-02-21 04:19:40,930 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-02-21 04:19:40,930 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-02-21 04:19:40,932 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-02-21 04:19:40,932 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-02-21 04:19:40,933 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-02-21 04:19:40,933 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-02-21 04:19:40,934 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-02-21 04:19:40,935 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-02-21 04:19:40,937 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-02-21 04:19:40,938 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-02-21 04:19:40,938 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-02-21 04:19:40,938 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-02-21 04:19:40,939 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-02-21 04:19:40,939 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-21 04:19:40,939 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-21 04:19:40,940 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-21 04:19:40,941 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2022-02-21 04:19:40,966 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-21 04:19:40,970 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-21 04:19:40,971 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-21 04:19:40,971 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-21 04:19:40,972 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-21 04:19:40,972 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-21 04:19:40,973 INFO L138 SettingsManager]: * Use SBE=true [2022-02-21 04:19:40,973 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-02-21 04:19:40,973 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-02-21 04:19:40,973 INFO L138 SettingsManager]: * Use old map elimination=false [2022-02-21 04:19:40,974 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-02-21 04:19:40,974 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-02-21 04:19:40,974 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-02-21 04:19:40,974 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-21 04:19:40,975 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-21 04:19:40,975 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-02-21 04:19:40,975 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-21 04:19:40,975 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-21 04:19:40,975 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-21 04:19:40,975 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-02-21 04:19:40,976 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-02-21 04:19:40,976 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-02-21 04:19:40,976 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-21 04:19:40,976 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-21 04:19:40,976 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-02-21 04:19:40,976 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-21 04:19:40,977 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-02-21 04:19:40,977 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-21 04:19:40,977 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-21 04:19:40,977 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-21 04:19:40,977 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-21 04:19:40,978 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-02-21 04:19:40,978 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6597d5a31aa324ba443314d2c363b302cd71d697c12811ade53ae3225a095206 [2022-02-21 04:19:41,213 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-21 04:19:41,233 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-21 04:19:41,235 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-21 04:19:41,236 INFO L271 PluginConnector]: Initializing CDTParser... [2022-02-21 04:19:41,237 INFO L275 PluginConnector]: CDTParser initialized [2022-02-21 04:19:41,238 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/recursive-simple/fibo_2calls_2-2.c [2022-02-21 04:19:41,294 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b42f62c42/a198b78549c641beb8643c13a8a996dc/FLAG7ddc9280e [2022-02-21 04:19:41,617 INFO L306 CDTParser]: Found 1 translation units. [2022-02-21 04:19:41,618 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/recursive-simple/fibo_2calls_2-2.c [2022-02-21 04:19:41,634 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b42f62c42/a198b78549c641beb8643c13a8a996dc/FLAG7ddc9280e [2022-02-21 04:19:42,027 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b42f62c42/a198b78549c641beb8643c13a8a996dc [2022-02-21 04:19:42,032 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-21 04:19:42,034 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-02-21 04:19:42,037 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-02-21 04:19:42,037 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-02-21 04:19:42,040 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-02-21 04:19:42,041 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.02 04:19:42" (1/1) ... [2022-02-21 04:19:42,043 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@567da95c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:19:42, skipping insertion in model container [2022-02-21 04:19:42,043 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.02 04:19:42" (1/1) ... [2022-02-21 04:19:42,050 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-02-21 04:19:42,066 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-02-21 04:19:42,247 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_2-2.c[946,959] [2022-02-21 04:19:42,249 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-21 04:19:42,259 INFO L203 MainTranslator]: Completed pre-run [2022-02-21 04:19:42,282 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_2-2.c[946,959] [2022-02-21 04:19:42,283 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-21 04:19:42,294 INFO L208 MainTranslator]: Completed translation [2022-02-21 04:19:42,295 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:19:42 WrapperNode [2022-02-21 04:19:42,297 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-02-21 04:19:42,298 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-21 04:19:42,299 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-21 04:19:42,299 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-21 04:19:42,304 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:19:42" (1/1) ... [2022-02-21 04:19:42,310 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:19:42" (1/1) ... [2022-02-21 04:19:42,323 INFO L137 Inliner]: procedures = 14, calls = 12, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 20 [2022-02-21 04:19:42,324 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-21 04:19:42,325 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-21 04:19:42,325 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-21 04:19:42,325 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-21 04:19:42,331 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:19:42" (1/1) ... [2022-02-21 04:19:42,331 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:19:42" (1/1) ... [2022-02-21 04:19:42,333 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:19:42" (1/1) ... [2022-02-21 04:19:42,333 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:19:42" (1/1) ... [2022-02-21 04:19:42,337 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:19:42" (1/1) ... [2022-02-21 04:19:42,341 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:19:42" (1/1) ... [2022-02-21 04:19:42,345 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:19:42" (1/1) ... [2022-02-21 04:19:42,348 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-21 04:19:42,350 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-21 04:19:42,350 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-21 04:19:42,350 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-21 04:19:42,351 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:19:42" (1/1) ... [2022-02-21 04:19:42,357 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 04:19:42,365 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 04:19:42,380 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 04:19:42,407 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 04:19:42,427 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-02-21 04:19:42,427 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-02-21 04:19:42,427 INFO L130 BoogieDeclarations]: Found specification of procedure fibo2 [2022-02-21 04:19:42,427 INFO L138 BoogieDeclarations]: Found implementation of procedure fibo2 [2022-02-21 04:19:42,428 INFO L130 BoogieDeclarations]: Found specification of procedure fibo1 [2022-02-21 04:19:42,428 INFO L138 BoogieDeclarations]: Found implementation of procedure fibo1 [2022-02-21 04:19:42,428 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-21 04:19:42,428 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-21 04:19:42,480 INFO L234 CfgBuilder]: Building ICFG [2022-02-21 04:19:42,482 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-21 04:19:42,616 INFO L275 CfgBuilder]: Performing block encoding [2022-02-21 04:19:42,622 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-21 04:19:42,622 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-02-21 04:19:42,623 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.02 04:19:42 BoogieIcfgContainer [2022-02-21 04:19:42,624 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-21 04:19:42,624 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-02-21 04:19:42,625 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-02-21 04:19:42,627 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-02-21 04:19:42,628 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-02-21 04:19:42,628 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 21.02 04:19:42" (1/3) ... [2022-02-21 04:19:42,629 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@367c1dde and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 21.02 04:19:42, skipping insertion in model container [2022-02-21 04:19:42,629 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-02-21 04:19:42,629 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:19:42" (2/3) ... [2022-02-21 04:19:42,629 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@367c1dde and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 21.02 04:19:42, skipping insertion in model container [2022-02-21 04:19:42,629 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-02-21 04:19:42,630 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.02 04:19:42" (3/3) ... [2022-02-21 04:19:42,631 INFO L388 chiAutomizerObserver]: Analyzing ICFG fibo_2calls_2-2.c [2022-02-21 04:19:42,686 INFO L359 BuchiCegarLoop]: Interprodecural is true [2022-02-21 04:19:42,686 INFO L360 BuchiCegarLoop]: Hoare is false [2022-02-21 04:19:42,687 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-02-21 04:19:42,687 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-02-21 04:19:42,687 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-02-21 04:19:42,687 INFO L364 BuchiCegarLoop]: Difference is false [2022-02-21 04:19:42,687 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-02-21 04:19:42,687 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2022-02-21 04:19:42,704 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 04:19:42,737 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 10 [2022-02-21 04:19:42,738 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-02-21 04:19:42,738 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-02-21 04:19:42,743 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2022-02-21 04:19:42,743 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-02-21 04:19:42,743 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2022-02-21 04:19:42,744 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 04:19:42,762 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 10 [2022-02-21 04:19:42,762 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-02-21 04:19:42,762 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-02-21 04:19:42,763 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2022-02-21 04:19:42,763 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-02-21 04:19:42,769 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 04:19:42,771 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 04:19:42,780 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-21 04:19:42,780 INFO L85 PathProgramCache]: Analyzing trace with hash 29896, now seen corresponding path program 1 times [2022-02-21 04:19:42,789 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-21 04:19:42,789 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1471887101] [2022-02-21 04:19:42,790 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-21 04:19:42,790 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-21 04:19:42,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 04:19:42,875 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-21 04:19:42,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 04:19:42,910 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-02-21 04:19:42,914 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-21 04:19:42,914 INFO L85 PathProgramCache]: Analyzing trace with hash 181289832, now seen corresponding path program 1 times [2022-02-21 04:19:42,914 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-21 04:19:42,915 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1535084987] [2022-02-21 04:19:42,915 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-21 04:19:42,916 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-21 04:19:42,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 04:19:42,938 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-21 04:19:42,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 04:19:42,957 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-02-21 04:19:42,961 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-21 04:19:42,961 INFO L85 PathProgramCache]: Analyzing trace with hash 1313669423, now seen corresponding path program 1 times [2022-02-21 04:19:42,961 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-21 04:19:42,962 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [932876913] [2022-02-21 04:19:42,962 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-21 04:19:42,965 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-21 04:19:42,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-21 04:19:43,152 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 04:19:43,154 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 04:19:43,156 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 04:19:43,157 INFO L290 TraceCheckUtils]: 3: Hoare triple {37#(= 2 |fibo1_#in~n|)} ~n := #in~n; {38#(= (+ (- 2) fibo1_~n) 0)} is VALID [2022-02-21 04:19:43,159 INFO L290 TraceCheckUtils]: 4: Hoare triple {38#(= (+ (- 2) fibo1_~n) 0)} assume !(~n < 1); {38#(= (+ (- 2) fibo1_~n) 0)} is VALID [2022-02-21 04:19:43,160 INFO L290 TraceCheckUtils]: 5: Hoare triple {38#(= (+ (- 2) fibo1_~n) 0)} assume !(1 == ~n); {38#(= (+ (- 2) fibo1_~n) 0)} is VALID [2022-02-21 04:19:43,161 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 04:19:43,161 INFO L290 TraceCheckUtils]: 7: Hoare triple {39#(<= |fibo2_#in~n| 1)} ~n := #in~n; {40#(<= fibo2_~n 1)} is VALID [2022-02-21 04:19:43,162 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 04:19:43,163 INFO L290 TraceCheckUtils]: 9: Hoare triple {41#(and (< 0 fibo2_~n) (<= fibo2_~n 1))} assume !(1 == ~n); {35#false} is VALID [2022-02-21 04:19:43,163 INFO L272 TraceCheckUtils]: 10: Hoare triple {35#false} call #t~ret6 := fibo1(~n - 1); {35#false} is VALID [2022-02-21 04:19:43,164 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 04:19:43,164 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-21 04:19:43,164 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [932876913] [2022-02-21 04:19:43,165 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [932876913] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-21 04:19:43,165 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-21 04:19:43,165 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-02-21 04:19:43,166 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1129603118] [2022-02-21 04:19:43,166 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-21 04:19:43,442 INFO L210 LassoAnalysis]: Preferences: [2022-02-21 04:19:43,443 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-02-21 04:19:43,443 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-02-21 04:19:43,443 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-02-21 04:19:43,443 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-02-21 04:19:43,443 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 04:19:43,443 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-02-21 04:19:43,443 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-02-21 04:19:43,443 INFO L133 ssoRankerPreferences]: Filename of dumped script: fibo_2calls_2-2.c_Iteration1_Loop [2022-02-21 04:19:43,444 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-02-21 04:19:43,444 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-02-21 04:19:43,456 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 04:19:43,462 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 04:19:43,465 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 04:19:43,467 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 04:19:43,470 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 04:19:43,472 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 04:19:43,475 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 04:19:43,478 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 04:19:43,481 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 04:19:43,489 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 04:19:43,596 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-02-21 04:19:43,598 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-02-21 04:19:43,600 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 04:19:43,600 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 04:19:43,607 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 04:19:43,612 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 04:19:43,612 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-02-21 04:19:43,613 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-02-21 04:19:43,638 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-02-21 04:19:43,638 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 04:19:43,662 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 04:19:43,662 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 04:19:43,662 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 04:19:43,663 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 04:19:43,664 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 04:19:43,669 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-02-21 04:19:43,669 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-02-21 04:19:43,686 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-02-21 04:19:43,686 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 04:19:43,715 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 04:19:43,716 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 04:19:43,716 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 04:19:43,718 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 04:19:43,727 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 04:19:43,727 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-02-21 04:19:43,727 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-02-21 04:19:43,735 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-02-21 04:19:43,736 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 04:19:43,751 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Ended with exit code 0 [2022-02-21 04:19:43,752 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 04:19:43,752 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 04:19:43,753 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 04:19:43,755 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 04:19:43,756 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-02-21 04:19:43,756 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-02-21 04:19:43,765 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-02-21 04:19:43,765 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 04:19:43,780 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 04:19:43,781 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 04:19:43,781 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 04:19:43,782 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 04:19:43,783 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 04:19:43,784 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-02-21 04:19:43,784 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-02-21 04:19:43,802 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-02-21 04:19:43,802 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 04:19:43,826 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 04:19:43,827 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 04:19:43,827 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 04:19:43,828 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 04:19:43,834 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-02-21 04:19:43,834 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-02-21 04:19:43,846 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-02-21 04:19:43,846 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 04:19:43,851 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 04:19:43,871 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 04:19:43,871 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 04:19:43,872 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 04:19:43,873 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 04:19:43,880 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-02-21 04:19:43,880 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-02-21 04:19:43,889 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 04:19:43,898 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-02-21 04:19:43,898 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 04:19:43,923 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 04:19:43,923 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 04:19:43,924 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 04:19:43,925 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 04:19:43,930 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 04:19:43,930 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-02-21 04:19:43,930 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-02-21 04:19:43,939 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-02-21 04:19:43,939 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 04:19:43,955 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 04:19:43,959 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 04:19:43,959 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 04:19:43,960 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 04:19:43,962 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 04:19:43,963 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-02-21 04:19:43,963 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-02-21 04:19:43,984 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 04:19:43,985 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 04:19:43,985 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 04:19:43,986 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 04:19:43,991 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 04:19:43,992 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-02-21 04:19:43,992 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-02-21 04:19:44,044 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-02-21 04:19:44,048 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 04:19:44,048 INFO L210 LassoAnalysis]: Preferences: [2022-02-21 04:19:44,048 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-02-21 04:19:44,048 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-02-21 04:19:44,048 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-02-21 04:19:44,048 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-02-21 04:19:44,048 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 04:19:44,048 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-02-21 04:19:44,048 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-02-21 04:19:44,048 INFO L133 ssoRankerPreferences]: Filename of dumped script: fibo_2calls_2-2.c_Iteration1_Loop [2022-02-21 04:19:44,049 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-02-21 04:19:44,049 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-02-21 04:19:44,050 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 04:19:44,057 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 04:19:44,061 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 04:19:44,063 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 04:19:44,067 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 04:19:44,070 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 04:19:44,073 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 04:19:44,088 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 04:19:44,101 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 04:19:44,104 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 04:19:44,222 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-02-21 04:19:44,226 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-02-21 04:19:44,227 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 04:19:44,227 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 04:19:44,228 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 04:19:44,245 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 04:19:44,252 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-02-21 04:19:44,253 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-02-21 04:19:44,253 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-02-21 04:19:44,253 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-02-21 04:19:44,253 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-02-21 04:19:44,255 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-02-21 04:19:44,255 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-02-21 04:19:44,256 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 04:19:44,280 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-02-21 04:19:44,303 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 04:19:44,304 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 04:19:44,304 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 04:19:44,306 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 04:19:44,307 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 04:19:44,308 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 04:19:44,315 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-02-21 04:19:44,316 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-02-21 04:19:44,316 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-02-21 04:19:44,316 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-02-21 04:19:44,316 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-02-21 04:19:44,316 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-02-21 04:19:44,317 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-02-21 04:19:44,331 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-02-21 04:19:44,355 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2022-02-21 04:19:44,355 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 04:19:44,355 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 04:19:44,357 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 04:19:44,358 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 04:19:44,359 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 04:19:44,366 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-02-21 04:19:44,366 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-02-21 04:19:44,366 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-02-21 04:19:44,366 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-02-21 04:19:44,366 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-02-21 04:19:44,367 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-02-21 04:19:44,367 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-02-21 04:19:44,381 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-02-21 04:19:44,406 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2022-02-21 04:19:44,407 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 04:19:44,407 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 04:19:44,408 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 04:19:44,409 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 04:19:44,411 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 04:19:44,417 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-02-21 04:19:44,418 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-02-21 04:19:44,418 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-02-21 04:19:44,418 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-02-21 04:19:44,418 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-02-21 04:19:44,419 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-02-21 04:19:44,419 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-02-21 04:19:44,435 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-02-21 04:19:44,457 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 04:19:44,458 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 04:19:44,458 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 04:19:44,459 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 04:19:44,460 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 04:19:44,461 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 04:19:44,466 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-02-21 04:19:44,466 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-02-21 04:19:44,466 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-02-21 04:19:44,467 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-02-21 04:19:44,467 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-02-21 04:19:44,467 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-02-21 04:19:44,467 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-02-21 04:19:44,495 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-02-21 04:19:44,517 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Ended with exit code 0 [2022-02-21 04:19:44,518 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 04:19:44,518 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 04:19:44,519 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 04:19:44,519 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 04:19:44,521 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 04:19:44,527 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-02-21 04:19:44,527 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-02-21 04:19:44,527 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-02-21 04:19:44,527 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-02-21 04:19:44,527 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-02-21 04:19:44,528 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-02-21 04:19:44,528 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-02-21 04:19:44,538 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-02-21 04:19:44,563 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 04:19:44,564 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 04:19:44,564 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 04:19:44,566 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 04:19:44,567 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 04:19:44,568 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 04:19:44,575 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-02-21 04:19:44,575 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-02-21 04:19:44,576 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-02-21 04:19:44,576 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-02-21 04:19:44,576 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-02-21 04:19:44,577 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-02-21 04:19:44,577 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-02-21 04:19:44,591 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-02-21 04:19:44,613 INFO L443 ModelExtractionUtils]: Simplification made 2 calls to the SMT solver. [2022-02-21 04:19:44,613 INFO L444 ModelExtractionUtils]: 1 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2022-02-21 04:19:44,615 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 04:19:44,615 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 04:19:44,620 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 04:19:44,621 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 04:19:44,648 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-02-21 04:19:44,648 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2022-02-21 04:19:44,648 INFO L513 LassoAnalysis]: Proved termination. [2022-02-21 04:19:44,648 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(fibo1_#in~n) = 1*fibo1_#in~n Supporting invariants [] [2022-02-21 04:19:44,665 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2022-02-21 04:19:44,673 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-02-21 04:19:44,678 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 04:19:44,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-21 04:19:44,709 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-21 04:19:44,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-21 04:19:44,729 INFO L263 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 4 conjunts are in the unsatisfiable core [2022-02-21 04:19:44,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-21 04:19:44,741 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-21 04:19:44,749 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 04:19:44,750 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 04:19:44,750 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 04:19:44,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-21 04:19:44,771 INFO L263 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 11 conjunts are in the unsatisfiable core [2022-02-21 04:19:44,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-21 04:19:44,783 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-21 04:19:44,954 INFO L290 TraceCheckUtils]: 0: Hoare triple {45#(>= oldRank0 |fibo1_#in~n|)} ~n := #in~n; {66#(<= fibo1_~n oldRank0)} is VALID [2022-02-21 04:19:44,955 INFO L290 TraceCheckUtils]: 1: Hoare triple {66#(<= fibo1_~n oldRank0)} assume !(~n < 1); {66#(<= fibo1_~n oldRank0)} is VALID [2022-02-21 04:19:44,956 INFO L290 TraceCheckUtils]: 2: Hoare triple {66#(<= fibo1_~n oldRank0)} assume !(1 == ~n); {66#(<= fibo1_~n oldRank0)} is VALID [2022-02-21 04:19:44,956 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 04:19:44,957 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 04:19:44,958 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 04:19:44,959 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 04:19:44,960 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 04:19:44,960 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 04:19:44,989 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 04:19:45,003 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 04:19:45,004 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 04:19:45,005 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 04:19:45,009 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 04:19:45,010 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 04:19:45,310 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 04:19:45,366 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 04:19:45,367 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 04:19:45,367 INFO L123 tractBuchiDifference]: Start testing correctness of buchiDifferenceNCSBLazy3 [2022-02-21 04:19:45,367 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 04:19:45,370 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 10 [2022-02-21 04:19:45,370 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-02-21 04:19:45,370 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-02-21 04:19:45,371 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 04:19:45,374 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2022-02-21 04:19:45,374 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-02-21 04:19:45,374 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-02-21 04:19:45,375 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 84 states and 116 transitions. [2022-02-21 04:19:45,377 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 10 [2022-02-21 04:19:45,377 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-02-21 04:19:45,377 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-02-21 04:19:45,380 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 04:19:45,383 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 10 [2022-02-21 04:19:45,387 INFO L86 LassoExtractor]: Finished lassoExtractor. Found 12 examples of accepted words. [2022-02-21 04:19:45,387 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 04:19:45,389 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2022-02-21 04:19:45,389 INFO L86 LassoExtractor]: Finished lassoExtractor. Found 1 examples of accepted words. [2022-02-21 04:19:45,389 INFO L70 LassoExtractor]: Start lassoExtractor. Operand 84 states and 116 transitions. cyclomatic complexity: 34 [2022-02-21 04:19:45,397 INFO L86 LassoExtractor]: Finished lassoExtractor. Found 12 examples of accepted words. [2022-02-21 04:19:45,398 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 04:19:45,398 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 04:19:45,398 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 04:19:45,398 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 04:19:45,398 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 04:19:45,399 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 04:19:45,399 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 04:19:45,399 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 04:19:45,400 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 04:19:45,400 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 04:19:45,400 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 04:19:45,400 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 04:19:45,400 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 04:19:45,401 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 04:19:45,401 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 04:19:45,401 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 04:19:45,401 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 04:19:45,402 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 04:19:45,402 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 04:19:45,402 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 04:19:45,403 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 04:19:45,403 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 04:19:45,403 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 04:19:45,403 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 04:19:45,404 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 04:19:45,404 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 04:19:45,404 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 04:19:45,404 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 04:19:45,404 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 04:19:45,404 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 04:19:45,405 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 04:19:45,405 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 04:19:45,405 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 04:19:45,405 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 04:19:45,405 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 04:19:45,405 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 04:19:45,406 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 04:19:45,406 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 04:19:45,406 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 04:19:45,406 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 04:19:45,406 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 04:19:45,410 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 04:19:45,410 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 04:19:45,410 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 04:19:45,411 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 04:19:45,411 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 04:19:45,411 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 04:19:45,412 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 04:19:45,412 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 04:19:45,412 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 04:19:45,412 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 04:19:45,413 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 04:19:45,413 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 04:19:45,413 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 04:19:45,414 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 04:19:45,414 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 04:19:45,414 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 04:19:45,414 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 04:19:45,414 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 04:19:45,415 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 04:19:45,415 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 04:19:45,415 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 04:19:45,416 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 04:19:45,416 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 04:19:45,416 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 04:19:45,419 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 04:19:45,422 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 04:19:45,423 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 04:19:45,423 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 04:19:45,423 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 04:19:45,423 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 04:19:45,424 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 04:19:45,424 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 04:19:45,424 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 04:19:45,424 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 04:19:45,425 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 04:19:45,425 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 04:19:45,426 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 04:19:45,426 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 04:19:45,426 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 04:19:45,426 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 04:19:45,427 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 04:19:45,427 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 04:19:45,427 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 04:19:45,427 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 04:19:45,428 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 04:19:45,428 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 04:19:45,428 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 04:19:45,428 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 04:19:45,429 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 04:19:45,429 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 04:19:45,429 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 04:19:45,429 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 04:19:45,430 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 04:19:45,430 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 04:19:45,430 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 04:19:45,431 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 04:19:45,431 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 04:19:45,431 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 04:19:45,431 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 04:19:45,431 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 04:19:45,432 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 04:19:45,432 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 04:19:45,432 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 04:19:45,433 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 04:19:45,433 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 04:19:45,433 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 04:19:45,434 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 04:19:45,434 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 04:19:45,434 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 04:19:45,434 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 04:19:45,435 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 04:19:45,435 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 04:19:45,435 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 04:19:45,435 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 04:19:45,436 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 04:19:45,436 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 04:19:45,436 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 04:19:45,436 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 04:19:45,436 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 04:19:45,437 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 04:19:45,437 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 04:19:45,437 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 04:19:45,437 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 04:19:45,438 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 04:19:45,438 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 04:19:45,438 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 04:19:45,438 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 04:19:45,439 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 04:19:45,439 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 04:19:45,439 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 04:19:45,439 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 04:19:45,440 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 04:19:45,440 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 04:19:45,440 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 04:19:45,440 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 04:19:45,441 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 04:19:45,441 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 04:19:45,441 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 04:19:45,442 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 04:19:45,442 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 04:19:45,442 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 04:19:45,442 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 04:19:45,442 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 04:19:45,443 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 04:19:45,443 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 04:19:45,443 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 04:19:45,444 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 04:19:45,444 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 04:19:45,444 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 04:19:45,444 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 04:19:45,445 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 04:19:45,445 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 04:19:45,445 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 04:19:45,445 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 04:19:45,446 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 04:19:45,446 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 04:19:45,446 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 04:19:45,447 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 04:19:45,447 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 04:19:45,447 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 04:19:45,447 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 04:19:45,447 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 04:19:45,448 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 04:19:45,448 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 04:19:45,448 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 04:19:45,448 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 04:19:45,448 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 04:19:45,449 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 04:19:45,449 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 04:19:45,449 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 04:19:45,450 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 04:19:45,450 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 04:19:45,450 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 04:19:45,450 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 04:19:45,451 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 04:19:45,451 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 04:19:45,451 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 04:19:45,451 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 04:19:45,452 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 04:19:45,452 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 04:19:45,452 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 04:19:45,453 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 04:19:45,453 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 04:19:45,453 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 04:19:45,454 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 04:19:45,454 INFO L161 tractBuchiDifference]: Finished testing correctness of buchiDifferenceNCSBLazy3 [2022-02-21 04:19:45,458 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 04:19:45,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 21 transitions. [2022-02-21 04:19:45,460 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 21 transitions. Stem has 3 letters. Loop has 8 letters. [2022-02-21 04:19:45,460 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 04:19:45,460 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 21 transitions. Stem has 11 letters. Loop has 8 letters. [2022-02-21 04:19:45,460 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 04:19:45,460 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 21 transitions. Stem has 3 letters. Loop has 16 letters. [2022-02-21 04:19:45,461 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 04:19:45,461 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 84 states and 116 transitions. cyclomatic complexity: 34 [2022-02-21 04:19:45,470 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 10 [2022-02-21 04:19:45,477 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 84 states to 61 states and 82 transitions. [2022-02-21 04:19:45,478 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 39 [2022-02-21 04:19:45,479 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 40 [2022-02-21 04:19:45,479 INFO L73 IsDeterministic]: Start isDeterministic. Operand 61 states and 82 transitions. [2022-02-21 04:19:45,479 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-02-21 04:19:45,479 INFO L681 BuchiCegarLoop]: Abstraction has 61 states and 82 transitions. [2022-02-21 04:19:45,491 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states and 82 transitions. [2022-02-21 04:19:45,501 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 54. [2022-02-21 04:19:45,501 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-21 04:19:45,502 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 04:19:45,502 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 04:19:45,504 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 04:19:45,507 INFO L149 Difference]: Subtrahend was not deterministic. Recomputing result with determinization. [2022-02-21 04:19:45,518 INFO L93 Difference]: Finished difference Result 113 states and 144 transitions. [2022-02-21 04:19:45,518 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 144 transitions. [2022-02-21 04:19:45,520 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-21 04:19:45,520 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-21 04:19:45,521 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 04:19:45,521 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 04:19:45,522 INFO L149 Difference]: Subtrahend was not deterministic. Recomputing result with determinization. [2022-02-21 04:19:45,537 INFO L93 Difference]: Finished difference Result 128 states and 169 transitions. [2022-02-21 04:19:45,537 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 169 transitions. [2022-02-21 04:19:45,539 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-21 04:19:45,539 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-21 04:19:45,539 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-21 04:19:45,539 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-21 04:19:45,540 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 04:19:45,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 72 transitions. [2022-02-21 04:19:45,543 INFO L704 BuchiCegarLoop]: Abstraction has 54 states and 72 transitions. [2022-02-21 04:19:45,544 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-21 04:19:45,547 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-02-21 04:19:45,548 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2022-02-21 04:19:45,548 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 04:19:45,673 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-21 04:19:45,674 INFO L93 Difference]: Finished difference Result 18 states and 18 transitions. [2022-02-21 04:19:45,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-02-21 04:19:45,674 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 04:19:45,684 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 04:19:45,685 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 18 states and 18 transitions. [2022-02-21 04:19:45,686 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-02-21 04:19:45,686 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 18 states to 0 states and 0 transitions. [2022-02-21 04:19:45,686 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2022-02-21 04:19:45,686 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2022-02-21 04:19:45,686 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2022-02-21 04:19:45,687 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-02-21 04:19:45,687 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-02-21 04:19:45,687 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-02-21 04:19:45,687 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-02-21 04:19:45,687 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2022-02-21 04:19:45,687 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2022-02-21 04:19:45,687 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-02-21 04:19:45,687 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2022-02-21 04:19:45,693 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 21.02 04:19:45 BoogieIcfgContainer [2022-02-21 04:19:45,693 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-02-21 04:19:45,694 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-02-21 04:19:45,694 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-02-21 04:19:45,694 INFO L275 PluginConnector]: Witness Printer initialized [2022-02-21 04:19:45,695 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.02 04:19:42" (3/4) ... [2022-02-21 04:19:45,697 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-02-21 04:19:45,697 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-02-21 04:19:45,698 INFO L158 Benchmark]: Toolchain (without parser) took 3663.45ms. Allocated memory was 111.1MB in the beginning and 138.4MB in the end (delta: 27.3MB). Free memory was 79.9MB in the beginning and 75.8MB in the end (delta: 4.1MB). Peak memory consumption was 30.4MB. Max. memory is 16.1GB. [2022-02-21 04:19:45,698 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 88.1MB. Free memory was 45.4MB in the beginning and 45.3MB in the end (delta: 44.0kB). There was no memory consumed. Max. memory is 16.1GB. [2022-02-21 04:19:45,699 INFO L158 Benchmark]: CACSL2BoogieTranslator took 260.52ms. Allocated memory is still 111.1MB. Free memory was 79.7MB in the beginning and 88.6MB in the end (delta: -8.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-02-21 04:19:45,699 INFO L158 Benchmark]: Boogie Procedure Inliner took 25.78ms. Allocated memory is still 111.1MB. Free memory was 88.6MB in the beginning and 87.0MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-02-21 04:19:45,699 INFO L158 Benchmark]: Boogie Preprocessor took 23.59ms. Allocated memory is still 111.1MB. Free memory was 87.0MB in the beginning and 86.2MB in the end (delta: 847.4kB). There was no memory consumed. Max. memory is 16.1GB. [2022-02-21 04:19:45,700 INFO L158 Benchmark]: RCFGBuilder took 274.20ms. Allocated memory is still 111.1MB. Free memory was 86.2MB in the beginning and 77.0MB in the end (delta: 9.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-02-21 04:19:45,700 INFO L158 Benchmark]: BuchiAutomizer took 3069.10ms. Allocated memory was 111.1MB in the beginning and 138.4MB in the end (delta: 27.3MB). Free memory was 76.6MB in the beginning and 76.6MB in the end (delta: -29.5kB). Peak memory consumption was 29.3MB. Max. memory is 16.1GB. [2022-02-21 04:19:45,701 INFO L158 Benchmark]: Witness Printer took 2.88ms. Allocated memory is still 138.4MB. Free memory is still 75.8MB. There was no memory consumed. Max. memory is 16.1GB. [2022-02-21 04:19:45,703 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 0.19ms. Allocated memory is still 88.1MB. Free memory was 45.4MB in the beginning and 45.3MB in the end (delta: 44.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 260.52ms. Allocated memory is still 111.1MB. Free memory was 79.7MB in the beginning and 88.6MB in the end (delta: -8.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 25.78ms. Allocated memory is still 111.1MB. Free memory was 88.6MB in the beginning and 87.0MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 23.59ms. Allocated memory is still 111.1MB. Free memory was 87.0MB in the beginning and 86.2MB in the end (delta: 847.4kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 274.20ms. Allocated memory is still 111.1MB. Free memory was 86.2MB in the beginning and 77.0MB in the end (delta: 9.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * BuchiAutomizer took 3069.10ms. Allocated memory was 111.1MB in the beginning and 138.4MB in the end (delta: 27.3MB). Free memory was 76.6MB in the beginning and 76.6MB in the end (delta: -29.5kB). Peak memory consumption was 29.3MB. Max. memory is 16.1GB. * Witness Printer took 2.88ms. Allocated memory is still 138.4MB. Free memory is still 75.8MB. 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 3.0s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 1.9s. Construction of modules took 0.1s. 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 0.1s 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: 53ms VariablesStem: 0 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 8 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.2s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2022-02-21 04:19:45,736 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